CN217064413U - Heat conduction structure, heat dissipation module and signal transmission system - Google Patents

Abstract

The present disclosure relates to the field of signal transmission technology. The heat conduction structure comprises an elastic component and two heat conduction pieces, wherein any one of the two heat conduction pieces is used for being in sliding fit or static contact with the plug-in module, and the two heat conduction pieces are distributed along the height direction of the plug-in module; the elastic assembly is arranged between the two heat conducting pieces, the two heat conducting pieces are elastically connected through the elastic assembly, and the elastic direction of the elastic assembly is perpendicular to the plugging direction of the plugging module; the elastic component is used for driving the heat conducting piece contacted with the plugging module to move towards the other heat conducting piece when the heat conducting piece is in sliding fit with the plugging module; and the elastic component is used for driving the heat conducting piece contacted with the plugging module to move towards the direction back to the other heat conducting piece when the heat conducting piece is statically contacted with the plugging module. The heat conduction structure disclosed by the invention has better heat conduction performance.

Description

Heat conduction structure, heat dissipation module and signal transmission system

Technical Field

The disclosure relates to the technical field of signal transmission, in particular to a heat conduction structure, a heat dissipation system and a signal transmission system.

Background

At present, electronic product's integrated level is all higher, to the big components and parts of heat flux density, can all set up to its radiating heat dissipation module that carries out to solitary components and parts usually, and in order to avoid components and parts to take place to damage at the in-process that uses, influence performance, need change components and parts usually.

The utility model provides an including heat conduction structure and heat radiation structure in the thermal module, wherein, heat conduction structure and the contact of components and parts that can give out heat, and heat conduction structure is used for the heat transfer that gives off components and parts to heat radiation structure, and is specific, and heat conduction structure includes the heat conduction pad, and the heat conduction pad contacts with components and parts.

Therefore, in the heat dissipation module, when the component needs to be replaced, the component needs to slide relative to the heat conduction pad, and after the component is replaced and used for many times, the surface of the heat conduction pad is worn, so that the heat conduction function of the heat conduction structure is affected.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem or at least partially solve the technical problem, the present disclosure provides a heat conducting structure, a heat dissipation module and a signal transmission system.

In one aspect, the present disclosure provides a heat conducting structure, including an elastic component and two heat conducting members, where any one of the two heat conducting members is used for sliding fit or stationary contact with a plug-in module, and the two heat conducting members are distributed along a height direction of the plug-in module; the elastic assembly is arranged between the two heat conducting pieces, the two heat conducting pieces are elastically connected through the elastic assembly, and the elastic direction of the elastic assembly is perpendicular to the plugging direction of the plugging module; the elastic assembly is used for driving the heat conducting piece contacted with the plugging module to move towards the other heat conducting piece when the heat conducting piece is in sliding fit with the plugging module; and the elastic component is used for driving the heat conducting piece in contact with the plugging module to move towards the direction away from the other heat conducting piece when the heat conducting piece is in static contact with the plugging module.

Optionally, the two heat conducting members include a first heat conducting member and a second heat conducting member, and one side of the second heat conducting member, which is away from the first heat conducting member, is in sliding fit with or is in static contact with the plug-in module; the elastic assembly comprises a first elastic piece and a second elastic piece which are distributed at intervals along the plugging direction; the first elastic piece is used for driving the second heat-conducting piece to move towards the first heat-conducting piece when the second heat-conducting piece is in sliding fit with the plugging module; the second elastic piece is used for driving the second heat-conducting piece to move towards the direction departing from the first heat-conducting piece when the second heat-conducting piece is in static contact with the plugging module.

Optionally, the first elastic element and the second elastic element are both multiple, and the multiple first elastic elements and the multiple second elastic elements are symmetrically arranged along the central axis in the plugging direction with respect to the heat conducting structure.

Optionally, the first elastic element includes a first elastic arm, a second elastic arm and a first connecting arm, the first elastic arm is embedded in the first heat conducting element, the second elastic arm is embedded in the second heat conducting element, and a cantilever end of the second elastic arm extends towards the first heat conducting element; the first connecting arm is connected between the first elastic arm and the second elastic arm, the extending direction of the first connecting arm is perpendicular to the plugging direction, and the extending direction of the first connecting arm is intersected with the extending direction of the first elastic arm.

Optionally, the second elastic element includes two stopping arms and two second connecting arms, the distribution direction of the two stopping arms is perpendicular to the plugging direction, one stopping arm abuts against the first heat-conducting element, and the other stopping arm abuts against the second heat-conducting element; the stop arm has first tip and the second tip along plug direction interval distribution, and two second linking arms are used for connecting the first tip and the second tip of two stop arms respectively, wherein, have the contained angle between the extending direction of second linking arm and the extending direction of stop arm.

Optionally, any one of the two stopping arms includes two stopping portions distributed at intervals along the plugging and unplugging direction, the two second connecting arms are respectively connected with the two stopping portions, the stopping portions have stopping surfaces, and the stopping surfaces are abutted against the heat conducting member; a space is formed between the two stopping parts.

Optionally, in the two stopping portions, one end of one stopping portion facing the other stopping portion has a supporting portion, and the two supporting portions are located between the two second connecting arms; the supporting part extends towards the other stop arm, and the extending direction of the supporting part is crossed with the extending direction of the second connecting arm.

Optionally, the heat-conducting device further comprises a heat-conducting gasket, and the heat-conducting gasket is clamped between the two heat-conducting pieces.

In a second aspect, the present disclosure provides a heat dissipation module including the above heat conduction structure.

In a third aspect, the present disclosure provides a signal transmission system, which includes a plugging module and the heat dissipation module.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

the heat conduction structure provided by the embodiment comprises an elastic component and two heat conduction pieces, wherein any one of the two heat conduction pieces is used for being in sliding fit or static contact with the plug-in module, the elastic component is arranged between the two heat conduction pieces, and the two heat conduction pieces are elastically connected through the elastic component; the elastic component is used for driving the heat conducting piece contacted with the plugging module to move towards the other heat conducting piece when the heat conducting piece is in sliding fit with the plugging module, so that when the heat conducting piece is in sliding fit with the plugging module, under the elastic action of the elastic component, the friction force between the plugging module and the heat conducting piece can be reduced, the heat conducting piece contacted with the plugging module is prevented from being abraded to a certain extent, and when the plugging module is pulled out, the connection between the two heat conducting pieces can be more reliable under the elastic action of the elastic component; and the elastic component is used for driving the heat conducting piece in contact with the plugging module to move towards the direction away from the other heat conducting piece when the heat conducting piece is in static contact with the plugging module, so that the plugging module can be in close contact with the heat conducting piece, and air is prevented from being generated between the plugging module and the heat conducting piece to a certain extent, so that the heat conducting resistance of the heat conducting structure provided by the embodiment can be kept consistent, and the heat conducting structure has better heat conducting performance.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1a is a schematic perspective view of a heat conducting structure according to an embodiment of the disclosure;

fig. 1b is a schematic plan view of a heat conducting structure provided in an embodiment of the present disclosure;

fig. 2a is a first usage state diagram of a heat conducting structure provided by the embodiment of the disclosure;

fig. 2b is a second usage state diagram of the heat conducting structure provided by the embodiment of the disclosure;

fig. 3 is a schematic perspective view illustrating a first heat-conducting member in a heat-conducting structure according to an embodiment of the disclosure;

fig. 4 is a schematic perspective view of a second heat conduction member in the heat conduction structure according to the embodiment of the disclosure;

fig. 5 is a schematic perspective view illustrating a first elastic member in a heat conducting structure according to an embodiment of the disclosure;

fig. 6 is a schematic perspective view illustrating a second elastic member in a heat conducting structure according to an embodiment of the disclosure;

fig. 7a is a schematic structural diagram of a heat dissipation module according to an embodiment of the disclosure;

fig. 7b is a schematic structural diagram of a heat dissipation module according to a second exemplary embodiment of the disclosure;

fig. 7c is a schematic diagram of a third structure of a heat dissipation module according to an embodiment of the disclosure.

Wherein, the first and the second end of the pipe are connected with each other,

1. an elastic component; l, a central axis; 2. a heat conductive member;

11. a first elastic member; 12. a second elastic member; 21. a first heat-conducting member; 22. a second heat-conducting member; 23. a thermally conductive gasket; 10. a heat conducting structure; 20. plugging and unplugging the module; 30. a heat dissipation structure; 40. a threaded fastener;

111. a first resilient arm; 112. a second resilient arm; 113. a first connecting arm; 121. a stopper arm; 122. a second connecting arm; 211. a first plane; 212. a first accommodating groove; 213. mounting grooves; 214. a threaded hole; 221. a second plane; 222. a guide portion; 223. a second accommodating groove; 301. a fin; 100. a heat dissipation module;

1211. a first stopper arm; 1212. a second stop arm; 1213. 1215, a first end portion; 1214. 1216, a second end; 1217. a stopper portion; 1218. a stop surface; 1219. spacing; 1220. a support portion.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

At present, the integration level of electronic products is high, for example, a Central Processing Unit (CPU) and the like, the power density of the electronic products rises quickly, the heat dissipation problem cannot be ignored, for components with high heat flux density, a heat dissipation module for dissipating heat is usually arranged for a single component, and in order to avoid that the components are damaged in the using process and the using performance is affected, the components are usually required to be replaced.

The utility model provides an including heat conduction structure and heat radiation structure in the heat radiation module, wherein, heat conduction structure with can give out thermal components and parts contact, and heat conduction structure is used for the heat transfer that gives off components and parts to heat radiation structure, and is concrete, heat conduction structure includes the heat conduction pad, the heat conduction pad contacts with components and parts.

Therefore, in the heat dissipation module, when the component needs to be replaced, the component needs to slide relative to the heat conduction pad, and after the component is replaced and used for many times, the surface of the heat conduction pad is worn, so that the heat conduction function of the heat conduction structure is affected. Specifically, for the thermal pad, the thermal resistance of the thermal pad is related to the thickness of the thermal pad, the thermal conductivity of the thermal pad and the contact area of the thermal pad and the component, specifically, R ═ δ/λ a, where R is the thermal resistance of the thermal pad, δ is the thickness of the thermal pad, λ is the thermal conductivity of the thermal pad, and a is the contact area of the thermal pad and the component, if the thermal pad is damaged during the plugging and unplugging of the component, air is filled between the thermal pad and the component, and since the thermal conductivity of air is 0.026W/mK, the thermal resistance of the thermal pad is very large, the influence on the thermal conductivity of the thermal pad is great, and the thermal conductivity of the thermal pad and the thermal dissipation performance of the thermal dissipation module are further affected.

The above W/mK means a 1m thick material, and the amount of heat transferred through an area of 1 square meter in 1 second(s) when the temperature difference between both side surfaces is 1 degree (K, ° c), where K can be replaced by ° c, is expressed in units of watts/meter · degrees (W/(m · K)).

Therefore, the embodiment of the disclosure provides a heat conduction structure, a heat dissipation module and a signal transmission system, wherein, through two heat conduction pieces which are provided with elastic connection, the plug-in module is contacted with any one heat conduction piece, under the elastic action of the elastic assembly, the heat conduction piece is in close contact with the plug-in module, and the change of heat conduction thermal resistance of the heat conduction piece is avoided to a certain extent, so that the heat conduction piece has better heat conduction performance, further the heat conduction structure has better heat conduction performance, the heat dissipation module has better heat dissipation performance, and the signal transmission system has better service performance.

It should be noted that the plug module is a component in the prior art, and in this embodiment, the plug module may be an optical module, specifically, the optical module functions in that a transmitting end converts an electrical signal into an optical signal, and after the optical signal is transmitted through an optical fiber, a receiving end converts the optical signal into the electrical signal.

The embodiments of the disclosure will be described in detail below with reference to the drawings and detailed description.

Referring to fig. 1a to fig. 2a, fig. 1a is a schematic perspective view of a heat conduction structure provided in an embodiment of the disclosure, fig. 1b is a schematic plan view of the heat conduction structure provided in the embodiment of the disclosure, fig. 2a is a first usage state diagram of the heat conduction structure provided in the embodiment of the disclosure, and fig. 2b is a second usage state diagram of the heat conduction structure provided in the embodiment of the disclosure.

As shown in fig. 1a to fig. 2b, the present embodiment provides a heat conducting structure 10, which includes an elastic component 1 and two heat conducting members 2, wherein any one of the two heat conducting members 2 is used for sliding fit or stationary contact with a plug module 20, and the two heat conducting members 2 are distributed along a height direction of the plug module 20; the elastic assembly 1 is arranged between the two heat conducting pieces 2, the two heat conducting pieces 2 are elastically connected through the elastic assembly 1, and the elastic direction of the elastic assembly 1 is perpendicular to the plugging direction of the plugging module 20; the elastic component 1 is used for driving the heat conducting piece 2 contacted with the plug-in module 20 to move towards the other heat conducting piece 2 when the heat conducting piece 2 is in sliding fit with the plug-in module 20; and the elastic component 1 is used for driving the heat conducting member 2 in contact with the plugging module 20 to move towards the direction away from the other heat conducting member 2 when the heat conducting member 2 is in static contact with the plugging module 20. In this embodiment, when the plug module 20 is in sliding fit with the heat conducting member 2, the elastic component 1 drives the heat conducting member 2 contacting with the plug module 20 to move toward the other heat conducting member 2, so that the friction force between the plug module 20 and the heat conducting member 2 can be reduced, and the heat conducting member 2 contacting with the plug module 20 can be prevented from being worn to a certain extent in the sliding process of the plug module 20 and the heat conducting member 2; when the plug module 20 is in static contact with the heat conducting member 2, the heat conducting member 2 in contact with the plug module 20 is driven to move in a direction away from the other heat conducting member 2, so that the plug module 20 and the heat conducting member 2 can be in close contact with each other, and air is prevented from being generated between the plug module 20 and the heat conducting member 2 to a certain extent, so that the heat conducting resistance of the heat conducting structure 10 provided by the embodiment can be kept consistent, and the heat conducting structure 10 has better heat conducting performance.

It should be noted that the moving direction of the plugging module 20 is the same as the x-axis direction in fig. 1a to 2b, and the height direction of the plugging module 20 is the same as the z-axis direction in fig. 1a to 2 b.

Referring to fig. 1a to fig. 4, fig. 3 is a schematic perspective view of a first heat conducting element in a heat conducting structure according to an embodiment of the disclosure, and fig. 4 is a schematic perspective view of a second heat conducting element in the heat conducting structure according to the embodiment of the disclosure. As shown in fig. 1a to 4, in a specific embodiment of the present embodiment, the heat conduction member 2 includes a first heat conduction member 21 and a second heat conduction member 22 distributed along a height direction of the pluggable module 20, a side of the second heat conduction member 22 away from the first heat conduction member 21 is in sliding fit or stationary contact with the pluggable module 20, the first heat conduction member 21 has a first plane 211 facing the second heat conduction member 22, the second heat conduction member 22 has a second plane 221 facing the first heat conduction member 21, and projections of the first plane 211 and the second plane 221 in the height direction of the pluggable module 20 are overlapped; and two ends of the first heat conducting member 21 along the plugging direction of the plugging module 20 are respectively flush with two ends of the second heat conducting member 22 along the plugging direction of the plugging module 20.

In some embodiments, a guide portion 222 for guiding the pluggable module 20 may be disposed on a side of the second heat conducting member 22 facing the pluggable module 20, and in a specific embodiment of the present embodiment, corner joints of the second heat conducting member 22 along two ends of the pluggable module 20 facing the pluggable module 20 are connected by a chamfer, so as to form the guide portion 222 for guiding the plugging of the pluggable module 20.

Note that, in some embodiments, the first heat-conducting member 21 and the second heat-conducting member 22 are made of a metal material having a heat-conducting property, and in a specific embodiment of the present embodiment, each of the first heat-conducting member 21 and the second heat-conducting member 22 is made of a 6-series aluminum alloy, and specifically, may be a 6061 aluminum alloy produced by a heat treatment stretching process; in some other embodiments, the first heat conduction member 21 and the second heat conduction member 22 can also be made of other metal materials with heat conduction performance, which is not listed here.

In order to improve the heat conduction performance of the heat conduction structure 10 provided in this embodiment, the heat conduction structure provided in this embodiment may further include a heat conduction gasket 23 sandwiched between the first plane 211 and the second plane 221, and two ends of the heat conduction gasket 23 along the height direction of the plug-in module 20 are respectively attached to the first plane 211 and the second plane 221; in some other embodiments, the heat conducting pad 23 may be made of other heat conducting materials, and the heat conducting material of the heat conducting pad 23 is not particularly limited.

In order to realize the elastic connection between the first heat conduction member 21 and the second heat conduction member 22, in the present embodiment, the elastic assembly 1 includes a first elastic member 11 and a second elastic member 12 spaced apart from each other along the inserting and extracting direction of the inserting and extracting module 20; the first elastic element 11 is used for driving the second heat-conducting element 22 to move towards the first heat-conducting element 21 when the second heat-conducting element 22 is in sliding fit with the plug-in module 20; the second elastic member 12 is used for driving the second heat-conducting member 22 to move in a direction away from the first heat-conducting member 21 when the second heat-conducting member 22 is in stationary contact with the pluggable module 20.

In order to make the connection between the first heat conducting member 21 and the second heat conducting member 22 more reliable, in this embodiment, the first elastic member 11 and the second elastic member 12 are both multiple, and the multiple first elastic members 11 and the multiple second elastic members 12 are all symmetrically arranged about the central axis l of the heat conducting structure 10 in the plugging and unplugging direction; specifically, the number of the first elastic members 11 is four, every two first elastic members 11 are distributed at the end of the heat conducting structure 10 along the plugging direction, the two first elastic members 11 located at the same end of the heat conducting structure 10 are distributed at intervals in the width direction of the heat conducting structure 10, and the first elastic members 11 located at the two ends of the heat conducting structure 10 are correspondingly arranged; the second elastic pieces 12 are located inside the heat conducting structure 10, the number of the second elastic pieces 12 is four, every two second elastic pieces 12 are located at the same position in the plugging and unplugging direction of the heat conducting structure 10, the two second elastic pieces 12 located at the same position in the plugging and unplugging direction of the heat conducting structure 10 are arranged at intervals in the width direction of the heat conducting structure 10, and the second elastic pieces 12 located at different positions in the plugging and unplugging direction of the heat conducting structure 10 are arranged correspondingly.

Note that the width direction of the heat conductive structure 10 described above coincides with the y-axis direction in fig. 1 a.

The structure of the first elastic member 11 and the second elastic member 12 will be described in detail below.

Referring to fig. 1a to 5, fig. 5 is a schematic perspective view illustrating a first elastic member in a heat conducting structure according to an embodiment of the disclosure. As shown in fig. 1a to 5, the first elastic member 11 includes a first elastic arm 111, a second elastic arm 112 and a first connecting arm 113, the first elastic arm 111 is embedded in the first receiving groove 212 of the first heat-conducting member 21, the second elastic arm 112 is embedded in the second receiving groove 223 of the second heat-conducting member 22, the first connecting arm 113 is connected between the first elastic arm 111 and the second elastic arm 112, the extending direction of the first connecting arm 113 is the same as the height direction of the pluggable module 20, and one end of the first connecting arm 113 facing the heat-conducting structure 10 abuts against the first heat-conducting member 21 and the second heat-conducting member 22; the first elastic arm 111 extends to the bottom of the first accommodating groove 212, the extending direction of the first elastic arm 111 is the same as the plugging direction, and two sides of the first elastic arm 111 distributed along the height direction of the plugging module 20 respectively abut against the corresponding sidewalls of the first accommodating groove 212, so as to limit the relative position between the first elastic arm 111 and the first heat conducting member 21 in the height direction of the plugging module 20; the second elastic arm 112 extends toward the bottom of the second receiving cavity 223, the cantilever end of the second elastic arm 112 extends toward the first heat conducting element 21 to apply an elastic force to the second heat conducting element 22, the two sides of the second elastic arm 112 distributed along the height direction of the pluggable module 20 are respectively abutted against the corresponding sidewalls of the second receiving cavity 223, so as to limit the relative position between the second elastic arm 112 and the second heat conducting element 22 in the height direction of the pluggable module 20. In this embodiment, the first elastic element 11 is disposed to reduce a friction force between the pluggable module 20 and the second heat-conducting element 22 when the pluggable module 20 is plugged, so as to prevent the second heat-conducting element 22 from being excessively worn; when the plug-in module 20 is pulled out, the first elastic member 11 can overcome the elastic force of the second elastic member 12, so that the first heat-conducting member 21 is reliably connected with the second heat-conducting member 2.

Further, the depth direction of the first receiving groove 212 is consistent with the extending direction of the first elastic arm 111, the extending direction of the first receiving groove 212 is consistent with the width direction of the heat conducting structure 10, the first receiving groove 212 penetrates through the first heat conducting member 21 in the direction, and two first elastic arms 111 are received in one first receiving groove 212; the depth direction of the second receiving groove 223 is consistent with the extending direction of the second elastic arm 112, the extending direction of the second receiving groove 223 is consistent with the width direction of the heat conducting structure 10, the second receiving groove 223 penetrates through the second heat conducting member 22 in the extending direction, and two second elastic arms 112 are received in one second receiving groove 223.

Referring to fig. 1a to 4 and 6, in which, fig. 6 is a schematic perspective view of a second elastic member in a heat conducting structure provided in an embodiment of the disclosure, as shown in fig. 1a to 4 and 6, the second elastic member 12 is axially symmetric along a plugging direction, the second elastic member 12 includes two stopping arms 121 and two second connecting arms 122, a distribution direction of the two stopping arms 121 is consistent with a height direction of the plugging module 20, the two stopping arms 121 include a first stopping arm 1211 and a second stopping arm 1212, an extending direction of the first stopping arm 1211 and an extending direction of the second stopping arm 1212 are consistent with the plugging direction, the first heat conducting member 21 is provided with a mounting groove 213 adapted to the second elastic member 12, a notch of the mounting groove 213 is flush with the first plane 211, a groove bottom of the mounting groove 213 extends in a direction away from the second heat conducting member 22, a side of the first stopping arm 1211 facing away from the second stopping arm 1212 abuts against a groove bottom of the mounting groove 213, the side of the second stopping arm 1212 facing away from the first stopping arm 1211 abuts against the second plane 221, the first stopping arm 1211 has a first end 1213 and a second end 1214 spaced apart along the inserting and pulling direction, the second stopping arm 1212 has a first end 1215 and a second end 1216 spaced apart along the inserting and pulling direction, one second connecting arm 122 is connected between the first end 1213 and the first end 1215, the other connecting arm 122 is connected between the second end 1214 and the second end 1216, and the extending length of the second stopping arm 1212 is greater than the extending length of the first stopping arm 1211, so that an included angle is formed between the extending direction of the second connecting arm 122 and the extending direction of the stopping arm 121, thereby improving the elastic performance of the second elastic member 12, enabling the plug module 20 to be tightly attached to the second heat conductive member 22 when in stationary contact, and maintaining the heat conductive performance of the second heat conductive member 22.

In a specific embodiment of the present embodiment, the extending direction of the mounting grooves 213 coincides with the width direction of the heat conducting structure 10, and the mounting grooves 213 penetrate the first heat conducting members 21 in the direction, and each mounting groove 213 accommodates two first heat conducting members 21 therein.

Further, in the present embodiment, the first heat conducting member 21 has two mounting grooves 213 formed thereon, and the two mounting grooves 213 are respectively located on two sides of the heat conducting gasket 23 along the inserting and pulling direction.

In order to further improve the elastic performance of the second elastic element 12, in some alternative embodiments, the first stop arm 1211 includes two stop portions 1217 spaced apart from each other in the inserting and extracting direction, the two second connecting arms 122 are respectively connected to the two stop portions 1217, the stop portions 1217 have stop surfaces 1218, the stop surfaces 1218 abut against the first plane 211, and a space 1219 is formed between the two stop portions 1217. Like this, then can further promote the elasticity performance of second elastic component 12, when plug module 20 and the static contact of second heat-conducting piece 22, can make plug module 20 and second heat-conducting piece 22 more closely laminate for second heat-conducting piece 22 has better heat conductivility, and then makes the heat conduction structure 10 that this embodiment provided have better heat conductivility.

In the present embodiment, in order to prevent the second elastic member 12 from being excessively deformed and affecting the elastic performance of the second elastic member 12, in the two stoppers 1217, one of the stoppers 1217 has a support portion 1220 at an end facing the other stopper 1217, the two support portions 1220 are located between the two second connecting arms 122, and the support portion 1220 extends toward the second stopper arm 1212, and the extending direction of the support portion 1220 intersects with the extending direction of the second connecting arm 122. In this way, the supporting portion 1220 can support the stopping portion 1217, so as to avoid excessive deformation of the stopping portion 1217 when the pluggable module 20 is in stationary contact with the second heat conducting member 22, and further avoid excessive deformation of the second elastic member 12.

It should be noted that the first elastic member 11 and the second elastic member 12 may be elastic sheets, and herein, the types of the first elastic member 11 and the second elastic member 12 are not particularly limited.

The heat conduction structure provided by the embodiment comprises an elastic assembly and two heat conduction pieces, wherein any one of the two heat conduction pieces is used for being in sliding fit or static contact with the plug-in module, and the two heat conduction pieces are distributed along the height direction of the plug-in module; the elastic assembly is arranged between the two heat conducting pieces, the two heat conducting pieces are elastically connected through the elastic assembly, and the elastic direction of the elastic assembly is perpendicular to the plugging direction of the plugging module; the elastic assembly is used for driving the heat conducting piece contacted with the plugging module to move towards the other heat conducting piece when the heat conducting piece is in sliding fit with the plugging module; and the elastic component is used for driving the heat conducting piece contacted with the plugging module to move towards the direction back to the other heat conducting piece when the heat conducting piece is statically contacted with the plugging module. In the embodiment, when the plugging module is in sliding fit with the heat conducting member, the elastic assembly drives the heat conducting member in contact with the plugging module to move towards the other heat conducting member, so that the friction force between the plugging module and the heat conducting member can be reduced, and the heat conducting member in contact with the plugging module can be prevented from being worn to a certain extent in the sliding process of the plugging module and the heat conducting member; when the plug module is in static contact with the heat conducting piece, the heat conducting piece in contact with the plug module is driven to move in the direction away from the other heat conducting piece, so that the plug module is in close contact with the heat conducting piece, air is prevented from being generated between the plug module and the heat conducting piece to a certain extent, and therefore the heat conducting resistance of the heat conducting structure provided by the embodiment can keep consistency, and the heat conducting structure has better heat conducting performance.

Please refer to fig. 1a to fig. 4 and fig. 7a to fig. 7c, wherein fig. 7a is a first structural diagram of a heat dissipation module provided in an embodiment of the present disclosure, fig. 7b is a second structural diagram of the heat dissipation module provided in the embodiment of the present disclosure, and fig. 7c is a third structural diagram of the heat dissipation module provided in the embodiment of the present disclosure.

As shown in fig. 1a to fig. 4 and fig. 7a to fig. 7c, the present embodiment further provides a heat dissipation module 100 including the heat conducting structure 10 of the above embodiment.

Specifically, as shown in fig. 7a and 7b, the heat dissipation module 100 further includes a heat dissipation structure 30, and for some plug modules 20 with larger power, as shown in fig. 7a, the heat dissipation structure 30 may be an air-cooled heat sink, as shown in fig. 7b, the heat dissipation structure 30 may be an air-cooled plate, and when the heat dissipation structure 30 is an air-cooled heat sink or an air-cooled plate, the heat dissipation structure 30 may be connected to the first heat conduction member 21 through a threaded fastener 40.

Further, the first heat conducting member 21 may be provided with corresponding threaded holes 214, and the air-cooled heat sink or the air-cooled plate may also be provided with corresponding threaded holes, the head of the threaded fastener 40 is located on one side of the first heat conducting member 21 facing the second heat conducting member 22, and the screw of the threaded fastener 40 sequentially passes through the threaded holes 214 and the threaded holes on the air-cooled heat sink or the air-cooled plate, so as to detachably connect the air-cooled heat sink or the air-cooled plate to the first heat conducting member 21, so as to detachably connect to the heat conducting structure 10.

As shown in fig. 7c, for some low-power pluggable modules 20, a heat dissipation structure 30 composed of a plurality of fins 301 may be directly disposed on a side of the first heat conducting member 21 away from the second heat conducting member 22, the fins 301 are fixedly connected to the first heat conducting member 21, in this embodiment, the plurality of fins 301 are distributed at intervals along a width direction of the heat conducting structure 10, and an extending direction of the fins 301 is the same as the plugging direction. The fins are metal sheets with strong heat conductivity which are added on the surface of the heat exchange device needing heat transfer, so that the heat exchange surface area of the heat exchange device is increased; here, the material for manufacturing the fin 301 in the present embodiment is not particularly limited.

It should be noted that, the heat conducting structure 10 has been described in detail in the above embodiments, and therefore, the detailed description thereof is omitted.

The heat dissipation module provided by the embodiment comprises a heat conduction structure, wherein the heat conduction structure comprises an elastic assembly and two heat conduction pieces, any one of the two heat conduction pieces is used for being in sliding fit or static contact with the plug-in module, and the two heat conduction pieces are distributed along the height direction of the plug-in module; the elastic assembly is arranged between the two heat conducting pieces, the two heat conducting pieces are elastically connected through the elastic assembly, and the elastic direction of the elastic assembly is perpendicular to the plugging direction of the plugging module; the elastic assembly is used for driving the heat conducting piece contacted with the plugging module to move towards the other heat conducting piece when the heat conducting piece is in sliding fit with the plugging module; and the elastic component is used for driving the heat conducting piece in contact with the plugging module to move towards the direction away from the other heat conducting piece when the heat conducting piece is in static contact with the plugging module. In the embodiment, when the plugging module is in sliding fit with the heat conducting member, the elastic assembly drives the heat conducting member in contact with the plugging module to move towards the other heat conducting member, so that the friction force between the plugging module and the heat conducting member can be reduced, and the heat conducting member in contact with the plugging module can be prevented from being worn to a certain extent in the sliding process of the plugging module and the heat conducting member; when the plug module is in static contact with the heat conducting piece, the heat conducting piece in contact with the plug module is driven to move in the direction away from the other heat conducting piece, so that the plug module can be in close contact with the heat conducting piece, air is prevented from being generated between the plug module and the heat conducting piece to a certain extent, and therefore the heat conducting resistance of the heat conducting structure provided by the embodiment can keep consistency, the heat conducting structure has better heat conducting performance, and the heat radiating module provided by the embodiment has better heat radiating performance.

The present embodiment further provides a signal transmission system, which includes a plug module 20, the heat dissipation module 100 of the above embodiment, and an optical fiber unit, where the optical fiber unit is used for transmitting signals; here, the signal transmission system provided in the present embodiment is not particularly limited.

It should be noted that, the heat dissipation module 100 has been described in detail in the above embodiments, and therefore, the description thereof is omitted.

The signal transmission system provided by the embodiment comprises a plug-in module and a heat dissipation module, wherein the heat dissipation module comprises a heat conduction structure, the heat conduction structure comprises an elastic assembly and two heat conduction pieces, any one of the two heat conduction pieces is used for being in sliding fit or static contact with the plug-in module, and the two heat conduction pieces are distributed along the height direction of the plug-in module; the elastic assembly is arranged between the two heat conducting pieces, the two heat conducting pieces are elastically connected through the elastic assembly, and the elastic direction of the elastic assembly is perpendicular to the plugging direction of the plugging module; the elastic component is used for driving the heat conducting piece contacted with the plugging module to move towards the other heat conducting piece when the heat conducting piece is in sliding fit with the plugging module; and the elastic component is used for driving the heat conducting piece in contact with the plugging module to move towards the direction away from the other heat conducting piece when the heat conducting piece is in static contact with the plugging module. In the embodiment, when the plugging module is in sliding fit with the heat conducting member, the elastic assembly drives the heat conducting member in contact with the plugging module to move towards the other heat conducting member, so that the friction force between the plugging module and the heat conducting member can be reduced, and the heat conducting member in contact with the plugging module can be prevented from being worn to a certain extent in the sliding process of the plugging module and the heat conducting member; when the plug module is in static contact with the heat conducting piece, the heat conducting piece in contact with the plug module is driven to move in a direction away from the other heat conducting piece, so that the plug module can be in close contact with the heat conducting piece, air is prevented from being generated between the plug module and the heat conducting piece to a certain extent, the heat conducting resistance of the heat conducting structure provided by the embodiment can be kept consistent, the heat conducting structure has better heat conducting performance, the heat radiating module has better heat radiating performance, and the signal transmission system provided by the embodiment has more stable service performance.

It is noted that, in this document, relational terms such as "first" and "second," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The previous description is only for the purpose of describing particular embodiments of the present disclosure, so as to enable those skilled in the art to understand or implement the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A heat conducting structure (10) is characterized by comprising an elastic component (1) and two heat conducting pieces (2), wherein any one heat conducting piece (2) of the two heat conducting pieces (2) is used for being in sliding fit or static contact with a plug-in module (20), and the two heat conducting pieces (2) are distributed along the height direction of the plug-in module (20);

the elastic assembly (1) is arranged between the two heat conducting pieces (2), the two heat conducting pieces (2) are elastically connected through the elastic assembly (1), and the elastic direction of the elastic assembly (1) is perpendicular to the plugging direction of the plugging module (20);

the elastic assembly (1) is used for driving the heat conducting piece (2) contacted with the plugging module (20) to move towards the other heat conducting piece (2) when the heat conducting piece (2) is in sliding fit with the plugging module (20); and the elastic component (1) is used for driving the heat conducting piece (2) contacted with the plugging module (20) to move towards the direction away from the other heat conducting piece (2) when the heat conducting piece (2) is in static contact with the plugging module (20).

2. The heat conducting structure (10) according to claim 1, wherein the two heat conducting members (2) comprise a first heat conducting member (21) and a second heat conducting member (22), and a side of the second heat conducting member (22) facing away from the first heat conducting member (21) is in sliding fit or stationary contact with the pluggable module (20);

the elastic assembly (1) comprises a first elastic piece (11) and a second elastic piece (12) which are distributed at intervals (1219) along the plugging direction;

the first elastic piece (11) is used for driving the second heat-conducting piece (22) to move towards the first heat-conducting piece (21) when the second heat-conducting piece (22) is in sliding fit with the plugging module (20);

the second elastic piece (12) is used for driving the second heat-conducting piece (22) to move towards the direction away from the first heat-conducting piece (21) when the second heat-conducting piece (22) is in static contact with the plugging module (20).

3. The heat conducting structure (10) according to claim 2, wherein the first elastic member (11) and the second elastic member (12) are each provided in plurality, and the plurality of first elastic members (11) and the plurality of second elastic members (12) are each provided symmetrically with respect to a central axis of the heat conducting structure (10) in the inserting and extracting direction.

4. The heat conductive structure (10) according to claim 2 or 3, wherein the first elastic member (11) includes a first elastic arm (111), a second elastic arm (112), and a first connecting arm (113), the first elastic arm (111) is embedded in the first heat conductive member (21), the second elastic arm (112) is embedded in the second heat conductive member (22), and a cantilevered end of the second elastic arm (112) extends in a direction of the first heat conductive member (21);

the first connecting arm (113) is connected between the first elastic arm (111) and the second elastic arm (112), the extending direction of the first connecting arm (113) is perpendicular to the plugging direction, and the extending direction of the first connecting arm (113) is intersected with the extending direction of the first elastic arm (111).

5. The structure (10) according to claim 2 or 3, wherein the second elastic element (12) comprises two stop arms (121) and two second connecting arms (122), the two stop arms (121) being arranged in a direction perpendicular to the plugging direction, wherein one stop arm (121) abuts against the first heat-conducting element (21) and the other stop arm (121) abuts against the second heat-conducting element (22);

the stop arm (121) is provided with a first end and a second end which are distributed at intervals (1219) along the plugging direction, the two second connecting arms (122) are respectively used for connecting the first end and the second end of the two stop arms (121), and an included angle is formed between the extending direction of the second connecting arms (122) and the extending direction of the stop arms (121).

6. The heat conducting structure (10) according to claim 5, wherein either one of the two stop arms (121) comprises two stop portions (1217) spaced apart in the plugging direction, the two second connecting arms (122) being connected to the two stop portions (1217) respectively, the stop portions (1217) having stop surfaces (1218), the stop surfaces (1218) abutting against the heat conducting member (2);

a space (1219) is formed between the two stops (1217).

7. The heat conducting structure (10) according to claim 6, wherein, of the two stopping portions (1217), one end of one stopping portion (1217) facing the other stopping portion (1217) has a supporting portion (1220), and the two supporting portions (1220) are located between the two second connecting arms (122);

the support portion (1220) extends toward the other stopper arm (121), and the extending direction of the support portion (1220) intersects with the extending direction of the second connecting arm (122).

8. The heat conductive structure (10) according to any one of claims 1 to 3, further comprising a heat conductive gasket (23), wherein the heat conductive gasket (23) is sandwiched between the two heat conductive members (2).

9. A heat sink module (100) comprising the thermally conductive structure (10) of any of claims 1-8.

10. A signal transmission system, characterized by comprising a plug-in module (20) and a heat dissipation module (100) according to claim 9.

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