TWI722665B - Connector assembly - Google Patents

Abstract

A connector assembly includes a shielding shell, a socket connector, a heat sink, and a thermal pad. The shielding shell has an accommodating cavity located inside, an insertion port at the front end and communicating with the accommodating cavity, and an opening window forming a wall of the shielding shell and communicating with the accommodating cavity. The socket connector is arranged in the accommodating cavity. The radiator is arranged on the wall of the shielding shell formed with an opening. The radiator includes a base plate and a heat pipe. The base plate has a bottom plate portion which is recessed and extends downward into the accommodating cavity through the window. The heat pipe is arranged on the bottom plate portion On the top, the bottom plate is formed with a bottom opening exposing the heat pipe toward the accommodating cavity. The heat-conducting gasket is arranged on the heat pipe through the bottom opening, and the heat-conducting gasket is suitable for contacting a pluggable module inserted into the accommodating cavity from the socket.

Description

Connector assembly

The present invention relates to a connector assembly, in particular to a connector assembly with a heat sink.

The United States Invention Patent No. US7,974,098 discloses a connector for pluggable modules. The connector includes a shielding shell, an integrated heat sink arranged on the shielding shell, and a heat conduction directly arranged on the bottom surface of the heat sink. Gasket. However, in some higher-speed and high-heat connector applications, it is necessary to pursue better heat dissipation efficiency. Therefore, in recent years, a radiator with a heat pipe has been developed. On the base of the fin, the base extends into the insertion space of the shielding shell, and there is a radiator base between the heat pipe and the pluggable module.

Taiwan Invention Patent Publication No. TWI670902 discloses a connector, which includes a shielding shell and a heat sink arranged on the shielding shell. The radiator has a heat pipe that integrally extends into the insertion space of the shielding shell at the bottom to directly contact the pluggable module. However, this kind of heat pipe needs to be integrally constructed to have a convex portion that extends into the insertion space and is convex. The bottom surface of the part needs to have a contact plane for contacting the pluggable module, which will increase the difficulty of manufacturing the heat pipe and increase the manufacturing cost. Moreover, since the contact plane is integrally formed protruding from the local position of the heat pipe, the material and size of the heat pipe will limit the area size (especially the size in the width) of the contact plane, thereby making the heat pipe and pluggable mold The contact area between groups is limited. again In addition, the contact plane of the heat pipe and the pluggable module are in contact with two metal surfaces, and there is a gap between the two metal surfaces and it is not easy to completely fit together, which will affect the heat transfer efficiency. In summary, how to increase the heat dissipation efficiency of the connector while reducing the manufacturing difficulty and manufacturing cost is an important issue.

Therefore, an object of the present invention is to provide a connector assembly that can improve at least one of the disadvantages of the prior art.

Therefore, in some embodiments, the connector assembly of the present invention includes a shielding shell, a socket connector, a heat sink, and a thermal pad. The shielding shell has an accommodating cavity located inside, a socket at the front end and communicating with the accommodating cavity, and an opening window forming a wall of the shielding shell and communicating with the accommodating cavity. The socket connector is arranged in the accommodating cavity. The radiator is disposed on the wall of the shielding case where the window is formed. The radiator includes a base plate and a heat pipe. The base plate has a recessed shape and extends downward into the accommodating cavity through the window. The bottom plate portion, the heat pipe is arranged on the bottom plate portion, and the bottom plate portion is formed with a bottom opening exposing the heat pipe toward the accommodating cavity. The heat-conducting gasket is arranged on the heat pipe through the bottom opening, and the heat-conducting gasket is suitable for contacting a pluggable module inserted into the accommodating cavity from the socket.

In some embodiments, the heat pipe is a flat heat pipe, and the thermally conductive gasket is disposed on the bottom surface of the heat pipe and the substrate so as to cover the bottom opening.

In some embodiments, the socket connector is disposed in the rear section of the accommodating cavity, the window of the shielding shell extends backward to expose the socket connector, and the bottom surface of the bottom plate portion of the substrate directly faces the socket connector Device.

In some embodiments, the rear end of the shielding shell is provided with a rear wall, the window extends rearward to the rear wall to form a notch on the upper edge of the rear wall, and the bottom plate portion of the substrate and the heat pipe The rear end of the shielding shell is straightly extended for a certain distance along the window.

In some embodiments, the bottom surface of the bottom plate portion is provided with a front stop portion that protrudes downward from the socket connector and is suitable for blocking the pluggable module, and the bottom surface of the bottom plate portion is opposite to the front stop portion of the pluggable module. A rear stop protruding downward is provided on the rear wall, and the rear stop is restricted by the rear wall in a rearward direction.

In some embodiments, the substrate further has a front wing portion and two side wing portions connected to the bottom plate portion and disposed on the wall, and a diagonally extending and formed one connected between the bottom plate portion and the front wing portion. Guiding Department.

In some embodiments, it further includes a fastener for making the heat sink movably mounted on the wall of the shielding shell and buckled to the shielding shell with respect to the window.

The flat heat pipe of the present invention is arranged on the bottom plate portion that is recessed and extends into the accommodating cavity through the window, and the thermally conductive gasket is arranged on the heat pipe through the bottom opening of the bottom plate portion and is suitable for contacting the socket inserted into the accommodating cavity. Plug-in module (heat source), with the thermally conductive gasket between the heat pipe and the pluggable module, can increase the thermal contact area between the heat pipe and the pluggable module and compensate for the heat pipe and the pluggable module The gap between the pluggable modules and the heat generated by the pluggable module are efficiently conducted to the heat pipe through the thermal pad to accelerate the speed of heat conduction and increase the heat dissipation efficiency. In addition, since the bottom plate portion of the substrate and the heat pipe extend into the accommodating cavity through the window, the heat sink can be closer to the pluggable module to increase the heat dissipation efficiency. In addition, by extending the top wall of the shielding shell backwards to the rear wall to form a notched window at the upper edge of the rear wall, the bottom surface of the bottom plate of the substrate is directly close to the ground and located in the rear section of the accommodating cavity Socket connector, and make the bottom plate of the substrate The part and the heat pipe can extend straightly out of the rear end of the shielding shell along the window opening for a certain distance, thereby further increasing the heat dissipation efficiency.

100: connector assembly

1: Shielding shell

11: top wall

12: bottom wall

121: Convex Hull

13: side wall

131: Clasp

14: back wall

141: Notch

15: pin

16: containing cavity

161: Socket

162: open window

163: bottom opening

17: Grounding piece

171: Elastic Fingers

2: socket connector

21: Shell

211: Socket

22: Terminal

221: Contact

222: Tail

3: radiator

31: substrate

311: bottom plate

311a: Front stop

311b: Rear gear

311c: Rib

311d: bottom opening

312: Front Wing

313: Flanking

313a: slit

314: Guiding Department

32: heat pipe

33: cooling fins

4: Thermal pad

41: body

42: Setting Department

5: Buckle

51: pressure plate

511: Elastic pressing part

52: buckle plate

521: Buttonhole

200: pluggable module

201: Shell

201a: Socket

201b: Positioning end face

300: circuit board

400: Chassis

401: front cover

401a: Front opening

500: heat sink

D1: front and rear direction

D2: Up and down direction

D3: Left and right direction

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: FIG. 1 is a perspective view of an embodiment of the connector assembly of the present invention, in which two connector assemblies are arranged in one The circuit board is covered by a front cover of a housing; Figure 2 is a perspective exploded view of Figure 1; Figure 3 is a perspective view of this embodiment, the socket connector of this embodiment is omitted from the figure; Figure 4 is a diagram 3 is a three-dimensional exploded view; Figure 5 is a top view of this embodiment; Figure 6 is a partial cross-sectional view taken along the VI-VI line in Figure 5; Figure 7 is the heat sink and thermal pad of this embodiment 3D exploded view, omitting the heat sink fins; Fig. 8 is a 3D exploded view with a different perspective from Fig. 7; Fig. 9 is a partial cross-sectional view similar to Fig. 6, in which a pluggable module is inserted in This embodiment; and FIG. 10 is a perspective view of this embodiment viewed from the bottom, and the bottom wall of the shielding shell and the socket connector of this embodiment are omitted in the figure.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same numbers.

1 to 4, an embodiment of the connector assembly 100 of the present invention is suitable for plugging in a pluggable module 200 (see FIG. 9), and is suitable for being installed on a circuit board 300 and being covered by a housing A front cover 401 of the 400 is covered. Here, two connector assemblies 100 are arranged side by side on the circuit board 300 at intervals and are covered by the front cover 401 of the casing 400 as an example. The circuit board 300 is mounted on the two connectors. A heat dissipating member 500 parallel to the two connector assemblies 100 is also arranged between the components 100. The connector assembly 100 includes a shielding shell 1, a socket connector 2, a heat sink 3, a thermal pad 4, and a fastener 5.

The shielding shell 1 can be made of metal, for example. The shielding shell 1 extends in a front-to-rear direction D1 and has a top wall 11, a bottom wall 12 spaced apart from the top wall 11 in a vertical direction D2, and A left-right direction D3 is spaced apart from each other and is connected to the two side walls 13 on both sides of the top wall 11 and the bottom wall 12 respectively, and a rear wall at the rear end and connected to the rear edge of the top wall 11 and the side walls 13 14, and a plurality of pins 15 extending downward from the side walls 13 and the rear wall 14 and suitable for being fixed on the circuit board 300 and/or connected to the ground trace. The bottom wall 12 is formed in this embodiment A plurality of convex hulls 121 protruding downward. The shielding shell 1 also has a containing cavity 16 which is defined by the top wall 11, the bottom wall 12, the two side walls 13 and the rear wall 14 and is located inside, and is located at the front end and communicates with the containing cavity 16 and A socket 161 into which the pluggable module 200 is inserted, an opening 162 formed on the top wall 11 extending backwards along the front-to-rear direction D1 and communicating with the accommodating cavity 16, and located on the rear side of the bottom wall 12 And connected to a bottom opening of the accommodating cavity 16 口163. The front cover 401 of the casing 400 is arranged on the front of the two connector assemblies 100 and the circuit board 300, and the front cover 401 is formed with two front end openings respectively for extending the front ends of the two connector assemblies 100 401a. The shielding shell 1 is provided with a plurality of grounding members 17 at the socket 161 at the front end. The grounding members 17 have a rearward extension from the socket 161 and are distributed on the outer side of the shielding case 1 and the inner side of the shielding case 1 The elastic fingers 171 located outside the shielding case 1 are used to contact the front opening 401a of the front cover 401 of the casing 400, and the elastic fingers 171 are located in the The inner side of the shielding shell 1 is used to contact the pluggable module 200 (see FIG. 9).

2 and 5 to 6, the socket connector 2 is disposed in the rear section of the accommodating cavity 16, and the socket connector 2 has a housing 21 and a plurality of terminals 22, and the housing 21 has a direction facing the An insertion slot 211 of the socket 161, each terminal 22 has a contact portion 221 located in the insertion slot 211, and is electrically and mechanically connected to a tail portion 222 of the aforementioned circuit board 300. In detail, the The receptacle connector 2 is disposed on the circuit board 300, and is covered by the shielding shell 1 through the bottom opening 163, so that the receptacle connector 2 is disposed in the accommodating cavity 16, but not limited to this. The window 162 of the shielding shell 1 extends rearward to expose the top surface of the socket connector 2 and extends to the rear wall 14 at the rear end of the shielding shell 1 to form an upper edge of the rear wall 14 Notch 141. In other words, the window 162 of the shielding case 1 penetrates the rear wall 14 of the shielding case 1 to form a notch 141 on the upper edge of the rear wall 14.

Referring to FIG. 1, FIG. 4, and FIG. 6 to FIG. 9, the heat sink 3 is disposed on the top wall 11 of the shielding shell 1 where the window 162 is formed. The heat sink 3 includes a substrate 31, a heat pipe 32, and a plurality of heat dissipation fins 33. For example, the substrate 31 is made of metal. The substrate 31 is disposed on the top wall 11 and has a bottom plate portion 311 that is recessed downward and extends downward into the accommodating cavity 16 through the opening 162, and is connected to the Floor part 311 A front wing portion 312 on the top surface of the top wall 11, a front wing portion 312 connected to the side edges of the bottom plate portion 311 and provided on the top surface of the top wall 11, and a front wing portion 313 connected to the top surface of the top wall 11 A guiding portion 314 is formed between the bottom plate portion 311 and the front wing portion 312 and extends obliquely to guide the insertion of the pluggable module 200. The heat pipe 32 is a flat heat pipe 32 in this embodiment. The flat tube body of the heat pipe 32 (also known as a heat pipe (Heat pipe)) is made of a metal material with high thermal conductivity (such as copper), and has a filling inside. A closed cavity with an actuating fluid (such as pure water), through the continuous liquid-vapor two-phase change of the actuating fluid in the closed cavity, causes the heat pipe 32 to exhibit the characteristics of rapid temperature uniformity to achieve rapid heat conduction. The heat pipe 32 is disposed on the top surface of the bottom plate portion 311 that is recessed downward, and the bottom plate portion 311 and the heat pipe 32 extend straight back out of the rear end of the shielding shell 1 for a distance. The heat pipe 32 can be, for example, The welding method is provided on the bottom plate portion 311, but it is not limited to this. Since the bottom plate portion 311 of the substrate 31 and the heat pipe 32 disposed on the top surface of the bottom plate portion 311 extend into the accommodating cavity 16 through the window 162, the heat sink 3 can be closer to the pluggable module 200 to increase the heat dissipation efficiency. In addition, by extending the top wall 11 of the shielding case 1 backwards to the rear wall 14 to form an opening 162 of the notch 141 on the upper edge of the rear wall, the bottom surface of the bottom plate portion 311 of the substrate 31 is directly close to the ground. Facing the socket connector 2 located at the rear section of the accommodating cavity 16, and enabling the bottom plate portion 311 of the substrate 31 and the heat pipe 32 to extend straight back from the rear end of the shielding shell 1 along the opening 162, Therefore, the heat dissipation efficiency can be further increased, and the bottom plate portion 311 of the substrate 31 and the heat pipe 32 do not need to be bent in order to avoid the rear wall 14 during manufacturing.

The pluggable module 200 has a housing 201 and a plug-in circuit board (not shown). The housing 201 has a plug-in portion 201a for inserting into the accommodating cavity 16 from the socket 161 of the shielding shell 1, and the plug-in circuit board is disposed on the housing 201 and extends from the plug-in portion of the housing 201 201a sticks out and uses To be inserted into the insertion slot 211 of the socket connector 2 to be electrically connected to the contact portions 221 of the terminals 22, the front end of the insertion portion 201a of the housing 201 is formed with a positioning end surface located above the insertion circuit board 201b. In this embodiment, the bottom surface of the bottom plate portion 311 of the substrate 31 is provided with a front stopper portion protruding downwards to the socket connector 2 and suitable for blocking the positioning end surface 201b of the pluggable module 200 311a, to prevent the pluggable module 200 from being excessively deep during insertion. And the bottom surface of the bottom plate portion 311 is provided with a rear stop portion 311b protruding downward relative to the rear wall 14. The rear stop portion 311b is restricted by the rear wall 14 in the rearward direction, thereby restricting the The radiator 3 prevents the radiator 3 from moving backward. In detail, the bottom surface of the bottom plate portion 311 is provided with two protruding strips 311c extending in the front-rear direction D1, side by side and protruding downwards. The front ends of the two protruding strips 311c together constitute the front stop portion 311a. The rear ends of the two protruding bars 311c jointly constitute the rear stop 311b. The two protruding bars 311c can be formed by punching down and protruding downwards, for example, as in the first embodiment, or by welding. The two protruding strips 311c are welded to the bottom surface of the bottom plate portion 311. It should be noted that in other modified implementations, the number of protruding strips 311c may also be one or more than three. In addition, the front stop portion 311a and the rear stop portion 311b are not limited to be formed by protruding strips 311c. In other words, the front stop portion 311a and the rear stop portion 311b may also be constructed with other suitable structures. . The front blocking portion 311a for blocking the pluggable module 200 and the rear blocking portion 311b for blocking the rear wall 14 rearwardly are provided on the bottom surface of the substrate 31 to enable the heat dissipation The radiator 3 is further extended into the accommodating cavity 16 through the front blocking portion 311a and the rear blocking portion 311b, which also brings the heat sink 3 closer to the socket connector 2 to further enhance the heat dissipation efficiency.

1, 2, 4 and 10, the heat dissipation fins 33 are generally plate-shaped and arranged parallel to each other along the front-rear direction D1 and are connected to each other in a snap-fit manner. The heat dissipation fins 33 are located in the shielding shell 1 of The outer side of the side wall 13 and the rear side of the rear wall 14 of the shielding case 1, and the heat dissipation fins 33 are disposed on the bottom surface of the bottom plate portion 311 and the side wing portion 313 of the base plate 31. The heat-dissipating fins 33 may be provided on the substrate 31 by welding, for example, but in other embodiments, the heat-dissipating fins 33 may also be non-interlocking structures and formed in an integral structure. The substrate 31 is not limited to this. The heat dissipation efficiency of the heat sink 3 can be enhanced by the heat dissipation fins 33.

Referring to FIGS. 1, 4, and FIGS. 7-9, the bottom plate portion 311 of the substrate 31 is formed with a bottom opening 311 d that exposes the heat pipe 32 toward the accommodating cavity 16. The thermally conductive gasket 4 is disposed on the heat pipe 32 through the bottom opening 311 d, and the thermally conductive gasket 4 is suitable for contacting the pluggable module 200 inserted into the accommodating cavity 16 from the socket 161. The thermally conductive gasket 4 is, for example, a thermal interface material (Thermal Interface Material), for example, can be selected from a combination of materials with high thermal conductivity, high flexibility, compressibility, insulation, wear resistance, etc., and its It can also have the effect of EMI Shielding at the same time by changing the combination of materials. In addition, the thermally conductive gasket 4 can also be a combined structure of a substrate and a phase change material. In this embodiment, the thermally conductive gasket 4 is disposed on the bottom surface of the flat heat pipe 32 and the substrate 31 so as to cover the bottom opening 311d. The thermally conductive gasket 4 has a body 41 correspondingly arranged on the bottom surface of the heat pipe 32, and a body 41 extending outward from both sides of the body 41 in the left-right direction D3 and arranged on both side wings 313 of the substrate 31 Two setting portions 42 adjacent to the inner side edge of the bottom opening 311d, wherein the two setting portions 42 are provided on the bottom surface of the inner side edge of the two side wings 313 in this embodiment, but in other modified embodiments, The two setting portions 42 may also be provided on the top surface of the two side wings 313, and it is not limited thereto. The main body 41 and the two setting portions 42 can be attached to the bottom surfaces of the two side wings 313 of the heat pipe 32 and the substrate 31, for example, through an adhesive (such as a thermal conductive glue). It is clear that the main body 41 can also be attached to the heat pipe 32 without passing through an adhesive, but only abuts against the bottom surface of the heat pipe 32. With the thermally conductive gasket 4 between the flat heat pipe 32 and the pluggable module 200, the problem that the two metal surfaces (the surface of the heat pipe 32 and the pluggable module 200) are not easily fully bonded is avoided , Which can increase the thermal contact area between the heat pipe 32 and the pluggable module 200 and compensate the gap between the heat pipe 32 and the pluggable module 200, and then transfer the heat generated by the pluggable module 200 through the thermal pad The sheet 4 is efficiently conducted to the heat pipe 32 to accelerate the speed of heat conduction and increase the heat dissipation efficiency.

The buckle 5 is used for elastically pressing the radiator 3 so that the radiator 3 is movably installed on the top wall 11 of the shielding shell 1 relative to the window 162, and the buckle 5 is buckled on The shielding case 1. The buckle 5 has a pressing plate 51 pressed against the base plate 31 of the heat sink 3, and two buckling plates 52 extending downward from both sides of the pressing plate 51. One side of the wing portion 313 of the base plate 31 is formed with a slit 313a through which one of the buckle plates 52 penetrates. The buckle plates 52 are respectively buckled to the side walls 13 of the shielding shell 1 through the slits 313a. The position-limiting relationship with the buckle plate 52 can limit the front and rear positions of the base plate 31 of the heat sink 3. The pressing plate 51 has a plurality of elastic pressing parts 511 in the shape of elastic sheets and used to elastically press down against the heat sink 3. The elastic pressing parts 511 may also be capable of pressing against the elastic sheet structure. Other structures of the substrate 31 are not limited to this embodiment. Each side wall 13 of the shielding shell 1 is respectively formed with a plurality of buckles 131 protruding outward, and each buckle plate 52 is also formed with a plurality of buckles corresponding to the buckles 131 of the corresponding side wall 13. The hole 521 enables the fastener 5 to be fastened to the shielding shell 1, and the heat sink 3 is pressed downward and elastically pressed against the shielding shell 1 by the elastic pressing portion 511 of the fastener 5, The front wing portion 312 and the side wing portions 313 of the base plate 31 of the heat sink 3 are respectively leaned on the top wall 11 in front of the window 162 and on the left and right sides. Moreover, in this embodiment, the elastic pressing portion 511 of the buckle 5 directly presses and contacts with The heat pipe 32 of the radiator 3 can thereby enable the heat energy of the shielding shell 1 to be transferred to the heat pipe 32 of the heat dissipation base via the fastener 5 fastened to the shielding shell 1 to enhance the heat dissipation efficiency. As shown in FIG. 9, by elastically pressing down against the elastic pressing portions 511 of the heat sink 3, the pluggable module 200 is inserted into the accommodating cavity from the socket 161 of the shielding shell 1. At 16 o'clock, the radiator 3 can be pushed upward by the pluggable module 200 to elastically move upward relative to the window 162. Thereby, it can be ensured that the pluggable module 200 and the thermal pad 4 provided on the heat sink 3 abut against and contact each other, so as to ensure that the heat sink 3 can cooperate with the pluggable module 200 to dissipate heat. In addition, the highest position of the heat sink 3 when the heat sink 3 moves upward can be restricted by the plate body of the pressing plate 51 itself.

In summary, the flat heat pipe 32 of the present invention is arranged on the bottom plate portion 311 that is recessed and extends into the accommodating cavity 16 through the window 162, and the heat conducting pad 4 is placed on the heat pipe through the bottom opening 311d of the bottom plate portion 311. 32 and is suitable for contacting the pluggable module 200 (heat source) inserted into the accommodating cavity 16 from the socket 161. The heat conducting gasket 4 between the heat pipe 32 and the pluggable module 200 can enlarge the heat pipe 32 and The thermal contact area between the pluggable modules 200 and the gap between the heat pipe 32 and the pluggable module 200 are compensated, and the heat generated by the pluggable module 200 is efficiently transferred to the heat pipe 32 through the thermal pad 4 To speed up heat conduction and increase heat dissipation efficiency. In addition, since the bottom plate portion 311 of the substrate 31 and the heat pipe 32 extend into the accommodating cavity 16 through the window 162, the heat sink 3 can be closer to the pluggable module 200 to increase the heat dissipation efficiency. In addition, by extending the top wall 11 of the shielding case 1 backwards to the rear wall 14 to form an opening 162 of the notch 141 on the upper edge of the rear wall, the bottom surface of the bottom plate portion 311 of the substrate 31 is directly close to the ground. Facing the socket connector 2 located at the rear section of the accommodating cavity 16, and enabling the bottom plate portion 311 of the substrate 31 and the heat pipe 32 to extend straight back from the rear end of the shielding shell 1 along the opening 162, This can further increase the heat dissipation efficiency.

However, the above are only examples of the present invention. When the scope of implementation of the present invention cannot be limited by this, all simple equivalent changes and modifications made in accordance with the scope of the patent application of the present invention and the content of the patent specification still belong to This invention patent covers the scope.

100: connector assembly

1: Shielding shell

11: top wall

12: bottom wall

121: Convex Hull

13: side wall

131: Clasp

14: back wall

141: Notch

15: pin

16: containing cavity

161: Socket

162: open window

163: bottom opening

17: Grounding piece

171: Elastic Fingers

3: radiator

31: substrate

311: bottom plate

311d: bottom opening

312: Front Wing

313: Flanking

313a: slit

314: Guiding Department

32: heat pipe

33: cooling fins

4: Thermal pad

41: body

42: Setting Department

5: Buckle

51: pressure plate

511: Elastic pressing part

52: buckle plate

521: Buttonhole

D1: front and rear direction

D2: Up and down direction

D3: Left and right direction

Claims (7)

A connector assembly includes: a shielding shell with an accommodating cavity located inside, a socket at the front end and communicating with the accommodating cavity, and a wall forming the shielding shell and communicating with the accommodating cavity A window; a socket connector arranged in the accommodating cavity; a radiator arranged on the wall of the shielding shell on which the window is formed; the radiator includes a substrate and a heat pipe; the substrate has a shape A bottom plate portion of the accommodating cavity that is recessed and extends downward through the window, the heat pipe is disposed on the bottom plate portion, and the bottom plate portion is formed with a bottom opening exposing the heat pipe toward the accommodating cavity; and a heat conduction The gasket is arranged on the heat pipe through the bottom opening, and the heat-conducting gasket is suitable for contacting a pluggable module inserted into the containing cavity from the socket. The connector assembly according to claim 1, wherein the heat pipe is a flat heat pipe, and the thermally conductive gasket is disposed on the bottom surface of the heat pipe and the substrate so as to cover the bottom opening. The connector assembly according to claim 2, wherein the receptacle connector is disposed in the rear section of the accommodating cavity, the window of the shielding shell extends backward to expose the receptacle connector, and the bottom surface of the bottom plate of the substrate Face the socket connector directly. The connector assembly according to claim 3, wherein the rear end of the shielding shell is provided with a rear wall, the opening extends backward to the rear wall to form a notch on the upper edge of the rear wall, and the base plate The bottom plate part of the heat pipe extends straight from the rear end of the shielding shell along the window. The connector assembly according to claim 4, wherein the bottom surface of the bottom plate portion is provided with a front stop portion that protrudes downward toward the socket connector and is suitable for blocking the pluggable module, and the bottom plate The bottom surface of the part is provided with a rear stop protruding downward relative to the rear wall, and the rear stop The part is restricted by the rear wall in the rearward direction. The connector assembly according to any one of claims 1 to 5, wherein the substrate further has a front wing portion and two side wing portions connected to the bottom plate portion and provided on the wall, and connected to the bottom plate portion and A guiding part is formed between the front wing parts and extending obliquely. The connector assembly according to claim 1, further comprising a fastener for elastically pressing the radiator and enabling the radiator to be movably mounted on the wall of the shielding shell with respect to the window , The buckle is buckled to the shielding shell.

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