CN217604739U - Heat sink device - Google Patents

Abstract

The application provides a heat dissipation device, which is used for dissipating heat of a heat dissipation piece and comprises a reference piece, a heat conduction cavity penetrating through the reference piece, an air exchange device and a shell; the middle part of the heat conduction cavity comprises an air vent extending out of the reference part, and an air interchanger is arranged at the air vent of the reference part; the reference part is provided with a plurality of grooves, and the grooves are all configured to receive the heat-radiating parts to be radiated; wherein the plurality of grooves are arranged around the heat conducting cavity; and the shell surrounds the reference part, and comprises a heat dissipation unit which is correspondingly arranged on the shell at a position corresponding to the plurality of grooves. The application provides a heat abstractor surrounds the benchmark piece through the casing that sets up the heat dissipation unit to constitute a plurality of cavitys with a plurality of recesses, formed a plurality of faces and carried out static heat dissipation to a plurality of heat dissipation pieces of treating simultaneously, when improving the radiating efficiency, air regenerating unit's developments heat dissipation is treated the heat dissipation piece and is carried out the developments heat dissipation, has further improved radiating efficiency.

Description

Heat sink device

Technical Field

The application relates to the field of heat dissipation, in particular to a heat dissipation device.

Background

With the development of various industries, various products of different types appear, the problem of heat dissipation of the products is always a non-negligible problem, the heat dissipation problem plays a vital role in the operation process of the products, and the performance of the products is greatly limited and influenced by overhigh temperature.

The conventional heat dissipation structure mainly includes heat dissipation fins to achieve temperature transfer with air, the heat dissipation efficiency is related to the contact area between the outer surfaces of the heat dissipation fins and the air, and the heat dissipation fins also have various shapes. However, the existing heat dissipation devices have limited heat dissipation efficiency and cannot meet the heat dissipation requirements of products.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide a heat dissipation device, static heat dissipation through the heat dissipation unit goes on simultaneously with breather's developments heat dissipation to solve present radiating efficiency and still not reach the problem that the product dispels the heat requirement.

The heat dissipation device is used for dissipating heat of a heat dissipation piece and comprises a reference piece, a heat conduction cavity penetrating through the reference piece, an air exchange device and a shell; the datum part comprises an air vent extending out of the datum part and extending to the middle part of the heat conducting cavity, and the air interchanger is arranged in the datum part and faces the air vent of the datum part; the reference component is provided with a plurality of grooves which are configured to receive heat-dissipating components to be dissipated; wherein the plurality of grooves are disposed around the heat conducting cavity; and the shell surrounds the reference part, and comprises a heat dissipation unit which is correspondingly arranged on the shell at a position corresponding to the groove.

Above-mentioned heat abstractor, when a plurality of recesses received and treat the radiating piece, surround the benchmark piece through the casing that sets up the radiating unit to constitute a plurality of cavitys with a plurality of recesses, formed a plurality of faces and carried out static heat dissipation to a plurality of radiating pieces of treating simultaneously, when improving the radiating efficiency, ventilator's dynamic heat dissipation is treated the radiating piece and is carried out the dynamic heat dissipation, has further improved radiating efficiency. Moreover, the cavity formed by the shell and the grooves plays a role in electrostatic shielding of the heat dissipation piece.

Optionally, the grooves include a first groove and a second groove, and the first groove and the second groove are disposed opposite to the heat conduction cavity.

According to the heat dissipation device, the first groove and the second groove which are oppositely arranged relative to the heat conduction cavity are used for achieving simultaneous heat dissipation of the objects with heat dissipation in the two grooves. And because the first groove and the second groove are oppositely arranged, the contact surface of the heat conduction cavity and the contact surface of the first groove and the second groove can be maximized by optimizing the shape of the cross section of the heat conduction cavity, so that the static heat dissipation efficiency is improved.

Optionally, the first groove and the second groove are both provided with a first ventilation hole communicated with the outside, and the first ventilation hole is used for air circulation between the first groove and the outside and between the second groove and the outside.

Above-mentioned heat abstractor, when first recess and second recess received and treat the radiating piece, except that dispel the heat simultaneously through the breather on heat dissipation unit on the casing and the benchmark piece, still realized carrying out the air exchange through first ventilation hole in with first recess and the second recess with the external world, further improved radiating efficiency.

Optionally, wherein the housing comprises: a first cover plate installed at the first groove; a second cover plate installed at the second groove; and a third cover plate installed at the position where the air interchanger is arranged on the reference member.

Above-mentioned heat abstractor, through setting up for first recess, second recess and benchmark piece ventilator department corresponds configuration first apron, second apron and third apron respectively, need place or take out when treating the radiating piece in first recess or second recess or when needing to change and/or maintain ventilator, only need pull down corresponding first apron, second apron or third apron can for each part of the heat abstractor that this application provided can dismantle alone as required, has improved the practicality.

Optionally, wherein the heat dissipation unit includes: the first heat dissipation structure, the second heat dissipation structure and the third heat dissipation structure are respectively arranged on the first cover plate, the second cover plate and the third cover plate.

According to the heat dissipation device, the first cover plate, the second cover plate and the third cover plate are all provided with the heat dissipation units, so that the distribution area of the heat dissipation units is increased, and the static heat dissipation efficiency is improved.

Optionally, a second vent hole is formed in the reference member, and the second vent hole faces the air outlet of the air interchanger.

Above-mentioned heat abstractor, when the third apron was installed on the benchmark piece, the third apron just formed a cavity including breather with the benchmark piece, through set up the second venthole on the benchmark piece to this second venthole is just to breather's exhaust vent, makes heat conduction chamber more abundant with the gaseous exchange in the external world, has improved dynamic radiating efficiency.

Optionally, the shape of the second vent hole is the same as the shape of the cooling fan outlet, and the sectional area of the vent hole is not smaller than the sectional area of the air outlet of the air interchanger.

According to the heat dissipation device, the second ventilation hole is set to be in the same shape as the air outlet of the air exchange device, and the sectional area of the second ventilation hole is not smaller than that of the air outlet of the air exchange device, so that the effect of fully utilizing the air exchange efficiency of the air exchange device is achieved, and the dynamic heat dissipation efficiency is further improved.

Optionally, wherein the plurality of grooves are connected with the heat-dissipating member by a thermal interface material.

According to the heat dissipation device, when the groove receives the to-be-dissipated heat piece, the groove and the to-be-dissipated heat piece are connected through the thermal interface material, so that the thermal contact resistance between the to-be-dissipated heat piece and the groove is reduced, namely the heat conductivity coefficient between the groove and the to-be-dissipated heat piece is improved, and therefore the static heat dissipation efficiency is improved.

Optionally, wherein the heat dissipation unit includes heat dissipation fins.

According to the heat dissipation device, the contact area between the heat dissipation device and the air is increased by arranging the heat dissipation fins, static heat dissipation is achieved, and the heat dissipation efficiency is improved.

Optionally, wherein the air interchanger comprises a heat dissipating fan.

Above-mentioned heat abstractor realizes that heat conduction chamber carries out gas exchange with the external world through adopting the heat dissipation fan. Wherein, the heat dissipation fan is with low costs, simple structure, simple to operate to make the heat abstractor structure that this application provided simpler.

Drawings

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

Fig. 1 is an external view of a heat dissipation device according to an embodiment of the present disclosure;

fig. 2 is an exploded view of a heat dissipation device according to an embodiment of the disclosure;

fig. 3 is a schematic cross-sectional view of a heat dissipation device according to an embodiment of the present application;

fig. 4 is a partially enlarged schematic view of a heat dissipation unit according to an embodiment of the application.

Icon: 100. a heat sink; 110. a reference member; 111. a groove; 111a, a first groove; 111b, a second groove; 120. a heat conducting cavity; 130. a ventilation device; 140. a housing; 141. a first cover plate; 142. a second cover plate; 143. a third cover plate; 150. a heat dissipation unit; 151. a first heat dissipation structure; 152. a second heat dissipation structure; 153 a third heat dissipation structure; 160. a first vent hole; 170. a second vent hole; 180. a wiring hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

With the development of various industries, various products of different types appear, the problem of heat dissipation of the products is always a non-negligible problem, the heat dissipation problem plays a vital role in the operation process of the products, and the performance of the products is greatly limited and influenced by overhigh temperature.

The conventional heat dissipation structure mainly uses heat dissipation fins to realize rapid transfer of temperature and air, the heat dissipation efficiency is related to the contact area between the outer surfaces of the fins and the air, and the heat dissipation fins also have various shapes. In another method of dissipating heat using a heat dissipating fan, heat is transferred to air by the rotation of the fan to achieve heat exchange.

However, the existing heat dissipation device has a single heat dissipation fin structure, and generally can only be used for single-side heat dissipation, so that the heat dissipation efficiency of a shell type product which needs heat dissipation in all directions is very weak, the heat dissipation requirement cannot be met, and if the surface size of the single-side heat dissipation fin is increased, the problem of the increase of the whole weight of the heat dissipation device can be caused. Therefore, the embodiment of the application provides a heat dissipation device with a plurality of surfaces having heat dissipation units for static heat dissipation and adopting an air exchange device for dynamic heat dissipation at the same time, and the problem that the heat dissipation efficiency cannot meet the heat dissipation requirement of the product in the prior art is solved. Specifically, please refer to the embodiments and drawings provided in the present application.

Referring to fig. 1, fig. 2, and fig. 4, fig. 1 illustrates an external view of a heat dissipation device 100 provided in an embodiment of the present application, fig. 2 illustrates an exploded structure of the heat dissipation device 100 provided in the embodiment of the present application, and fig. 4 illustrates a partially enlarged schematic view of a heat dissipation unit 150 provided in the embodiment of the present application. The heat dissipation device 100 is used for dissipating heat of a member to be heat dissipated placed therein, and the heat dissipation device 100 includes a reference member 110, a heat conduction cavity 120 penetrating the reference member 110, a ventilation device 130, and a housing 140.

The base member 110 includes a ventilation hole (not shown) extending to the heat conducting cavity 120, and the ventilation device 130 is disposed in the base member 110 and faces the ventilation hole. The ventilator 130 sucks out the hot air in the heat conducting cavity 120 through the air holes and discharges the hot air to the outside; or the air interchanger 130 sends air with relatively low external temperature into the heat conducting cavity 120 through the air holes, so that the temperature inside the heat conducting cavity 120 is reduced.

The reference member 110 defines a plurality of grooves 111, and the plurality of grooves 111 are configured to receive the members to be heat-dissipated; wherein the plurality of grooves 111 are disposed around the heat conduction chamber 120. These a plurality of recesses 111 will absorb from waiting the heat transfer of radiating piece for heat conduction chamber 120, cooling heat conduction chamber 120 through breather, realized waiting the dynamic cooling of radiating piece.

The housing 140 surrounds the reference member 110, and referring to fig. 4, the housing 140 includes a heat dissipating unit 150, and the heat dissipating unit 150 is correspondingly disposed on the housing 140 at a position corresponding to the plurality of grooves 111, such that the housing 140, the plurality of grooves 111 and the installation position of the ventilator 130 form a cavity.

It should be noted that the number of the plurality of grooves 111 may be two, three, four, and the like, and the specific number is not specifically limited in the embodiment of the present application, and the purpose of receiving a plurality of heat dissipation members to be dissipated through the plurality of grooves 111 and dissipating heat of the heat dissipation members at the same time by arranging the plurality of grooves 111 in a manner of surrounding the heat conduction cavity 120 is all within the protection scope of the present application.

In the above embodiment, when the plurality of grooves 111 receive the to-be-cooled member, the housing 140 of the heat dissipation unit 150 surrounds the reference member 110 and forms a plurality of cavities with the plurality of grooves 111, so that a plurality of surfaces are formed and static heat dissipation is performed on the to-be-cooled member, and while the heat dissipation efficiency is improved, dynamic heat dissipation is performed on the to-be-cooled member by dynamic heat dissipation of the ventilation device 130, thereby further improving the heat dissipation efficiency. Moreover, the housing 140 and the plurality of grooves 111 form a cavity, which plays a role of electrostatic shielding for the heat dissipation member.

Further, with continuing reference to fig. 1 and fig. 2 in combination with fig. 3, fig. 3 is a schematic cross-sectional view of the heat dissipation apparatus 100 provided in the embodiment of the present application, wherein the plurality of grooves 111 includes a first groove 111a and a second groove 111b, and the first groove 111a and the second groove 111b are disposed opposite to the heat conduction cavity 120. The heat to be dissipated in the first groove 111a and the second groove 111b through the heat conduction cavity 120 is dissipated at the same time.

In the above embodiment, the first groove 111a and the second groove 111b, which are oppositely arranged with respect to the heat conducting cavity 120, realize simultaneous heat dissipation of the heat-dissipating objects in the two grooves. Also, since the first groove 111a is disposed opposite to the second groove 111b, by optimizing the shape of the cross section of the heat conduction chamber 120, for example, the cross section of the heat conduction chamber 120 as shown in fig. 3, the contact surface of the heat conduction chamber with the first groove 111a and the second groove 111b can be maximized, thereby improving the efficiency of static heat dissipation.

Further, referring to fig. 2 and 3, each of the first groove 111a and the second groove 111b is provided with a first vent 160 communicating with the outside, and the vent 160 is used for air circulation between the first groove 111a and the second groove 111b and the outside.

In the above embodiment, when the first groove 111a and the second groove 111b receive the heat to be dissipated, in addition to dissipating heat simultaneously through the heat dissipating unit 150 on the housing 140 and the ventilator 130 on the reference member 110, air exchange between the inside of the first groove 111a and the inside of the second groove 111b and the outside through the first vent 160 is achieved, and the heat dissipating efficiency is further improved.

Further, referring to fig. 2, wherein the housing 140 includes: a first cover plate 141 installed at the first recess 111a, a second cover plate 142 installed at the second recess 111b, and a third cover plate 143 installed at the reference member 110 where the ventilator 130 is provided. So that the first groove 111a and the first cover plate 141, the second groove 11b and the second cover plate 142, and the third cover plate 143 and the reference member 110 form a cavity.

In the above embodiment, by providing the first groove 111a, the second groove 111b and the reference component 110, the first cover plate 141, the second cover plate 142 and the third cover plate 143 are respectively and correspondingly configured at the position of the air interchanger 130, when the heat-dissipating member to be placed or taken out or the air interchanger 130 to be replaced and/or maintained needs to be placed or taken out in the first groove 111a or the second groove 111b, only the corresponding first cover plate 141, the second cover plate 142 or the third cover plate 143 needs to be detached, so that each component of the heat-dissipating device provided by the present application can be detached alone as needed, and the practicability is improved.

Further, referring to fig. 2, wherein the heat dissipating unit 150 includes: the first heat dissipation structure 151, the second heat dissipation structure 152, and the third heat dissipation structure 153 are disposed on the first cover plate 141, the second cover plate 142, and the third cover plate 143, respectively.

In the above embodiment, the heat dissipation units 150 are disposed on the first cover plate 141, the second cover plate 142 and the third cover plate 143, so that the distribution area of the heat dissipation units 150 is increased, and the static heat dissipation efficiency is improved.

Further, referring to fig. 1 and 2, a second vent hole 170 is formed in the reference member 110, and the second vent hole 170 faces the air outlet of the air interchanger 130. It is achieved that the air exchange means 130 exhausts the hot air in the heat conduction chamber 120 to the outside through the second vent 170, or absorbs and sends air having a relatively low outside temperature to the heat conduction chamber 120 through the second vent 170.

Alternatively, the second vent holes 170 may be provided on the third cover plate 143, based on the same technical effect.

In the above embodiment, when the third cover plate 143 is mounted on the reference member 110, the third cover plate 143 and the reference member 110 form a cavity containing the ventilation device 130, and the second ventilation hole 170 is formed in the third cover plate 143, and the second ventilation hole 170 faces the air outlet of the ventilation device 130, so that the heat conduction cavity 120 is more fully exchanged with the outside air, and the efficiency of dynamic heat dissipation is improved.

Further, referring to fig. 2, the shape of the second vent hole 170 is the same as the shape of the air outlet of the air interchanger 130, and the sectional area of the vent hole is not smaller than the sectional area of the air outlet of the air interchanger 130.

In the above embodiment, the second ventilation hole 170 is set to have the same shape as the air outlet of the ventilation device 130, and the sectional area of the second ventilation hole 170 is not smaller than the sectional area of the air outlet of the ventilation device 130, so that the effect of fully utilizing the air exchange efficiency of the ventilation device 130 is achieved, and the dynamic heat dissipation efficiency is further improved.

Further, wherein the plurality of grooves 111 are connected with the heat-dissipating member to be dissipated through the thermal interface material. Among the thermal interface materials, but not limited to, are: the heat-conducting silicone grease, the heat-conducting glue, the heat-radiating gasket, the phase-change material and the phase-change metal sheet.

In the above embodiment, when the plurality of grooves 111 receive the to-be-cooled member, the plurality of grooves 111 and the to-be-cooled member are connected by the thermal interface material, so that the thermal contact resistance between the to-be-cooled member and the plurality of grooves 11 is reduced, that is, the thermal conductivity between the plurality of grooves 11 and the to-be-cooled member is improved, thereby improving the efficiency of static heat dissipation.

Further, referring to fig. 4, the heat dissipating unit 150 includes heat dissipating fins.

In the above embodiment, the heat dissipation fins have a plurality of fins, and one ends of the plurality of fins are connected together, so that the contact area with the air is increased, and the heat exchange efficiency with the air is improved. Therefore, the heat dissipation device 100 provided by the application increases the contact area with air through the heat dissipation fins, realizes static heat dissipation, and improves heat dissipation efficiency.

Further, among other things, the ventilation device 130 includes a heat dissipation fan.

In the above embodiment, the heat conducting cavity 120 is exchanged with the outside by using the heat dissipating fan. The heat dissipation fan has a low cost, a simple structure, and is convenient to install, so that the heat dissipation device 100 provided by the present application has a simpler structure.

Optionally, referring to fig. 1 and 2, a wire hole 180 is formed in the reference member 110, and the wire hole 180 is used for electrically connecting the ventilation device 130 with external equipment through a wire; the wire hole 180 may be provided on the third cover plate 143 based on the same concept.

In this document, relational terms such as first and second, and the like may be 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 phrases "comprising 8230 \8230;" 8230; "does not exclude the presence of additional identical elements in a process, method, article, or apparatus that comprises the element.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like refer to the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the present invention is used to place as usual, and are used for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are absolutely horizontal or hanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The foregoing is illustrative of only alternative embodiments of the present application and is not intended to limit the present application, which may be modified or varied by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

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

Claims (10)

1. A heat dissipation device is used for dissipating heat of a heat dissipation piece and is characterized by comprising a reference piece, a heat conduction cavity penetrating through the reference piece, an air exchange device and a shell;

the datum part comprises a vent hole extending to the heat conducting cavity, and the air interchanger is arranged in the datum part and faces the vent hole;

the reference part is provided with a plurality of grooves, and the grooves are all configured to receive heat-dissipating parts to be dissipated; wherein the plurality of grooves are disposed around the heat conducting cavity; and

the shell surrounds the reference piece, and the shell comprises a heat dissipation unit which is correspondingly arranged on the shell at a position corresponding to the grooves.

2. The heat dissipating device of claim 1, wherein the plurality of grooves comprises a first groove and a second groove, the first groove and the second groove being disposed opposite to the heat conducting cavity.

3. The heat dissipation device as claimed in claim 2, wherein the first and second grooves are each provided with a first vent hole communicating with the outside, and the first vent hole is used for communicating air between the first and second grooves and the outside.

4. The heat dissipating device of claim 2, wherein the housing comprises:

a first cover plate installed at the first groove;

a second cover plate installed at the second groove; and

and the third cover plate is arranged at the position where the ventilation device is arranged on the reference piece.

5. The heat dissipating device according to claim 4, wherein the heat dissipating unit comprises: the first heat dissipation structure, the second heat dissipation structure and the third heat dissipation structure are respectively arranged on the first cover plate, the second cover plate and the third cover plate.

6. The heat dissipating device of claim 4, wherein the reference member has a second vent hole, and the second vent hole faces the air outlet of the air exchanging device.

7. The heat dissipating device of claim 6, wherein the second vent has a shape that is the same as the shape of the ventilator outlet, and the cross-sectional area of the second vent is not smaller than the cross-sectional area of the ventilator outlet.

8. The heat dissipating device of claim 1, wherein the plurality of grooves are connected to the member to be dissipated by a thermal interface material.

9. The heat dissipating device of claim 1, wherein the heat dissipating unit comprises heat dissipating fins.

10. The heat dissipating device of claim 1, wherein the air exchanging device comprises a heat dissipating fan.

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