CN109407806B

CN109407806B - Radiator

Info

Publication number: CN109407806B
Application number: CN201811490037.1A
Authority: CN
Inventors: 杜建军; 李明珠; 雷堡乐
Original assignee: Shenzhen Fluence Technology PLC
Current assignee: Shenzhen Fluence Technology PLC
Priority date: 2018-12-06
Filing date: 2018-12-06
Publication date: 2024-03-29
Anticipated expiration: 2038-12-06
Also published as: CN109407806A

Abstract

The application provides a radiator, this radiator includes that radiator fin organizes, encloses and closes casing, fan mount and radiator fan, radiator fin organizes and is used for contacting with the heat source, encloses and closes the casing and be fixed in on the radiator fin group, and the fan mount is with enclose and close the casing and dismantle the connection, and radiator fan is connected with the fan mount and accept in the fan mount, wherein, from radiator fan's radial upward to radiator fin group lock screw to be fixed in the radiator on the circuit board that is provided with the heat source. The radiator that this application provided is installed conveniently.

Description

Radiator

Technical Field

The application relates to the technical field of radiators, in particular to a radiator.

Background

At present, the radiator is often applied to the heat dissipation of a computer host, for example, the radiator dissipates heat for a CPU, a display card and the like, but on the premise of ensuring the compactness of the radiator, the radiator is very time-consuming and labor-consuming to fix on the computer host, and if the radiator is required to be quickly installed on the computer host, the radiator is often excessively bulked.

Disclosure of Invention

The application provides a radiator to solve the inconvenient problem of radiator installation among the prior art.

In order to solve the technical problems, one technical scheme adopted by the application is as follows: the radiator comprises a radiating fin group, a surrounding shell, a fan fixing frame and a radiating fan, wherein the radiating fin group is used for being in contact with a heat source, the surrounding shell is fixed on the radiating fin group, the fan fixing frame is detachably connected with the surrounding shell, the radiating fan is connected with the fan fixing frame and is contained in the fan fixing frame, and screws are locked into the radiating fin group from the radial direction of the radiating fan so as to fix the radiator on a circuit board provided with the heat source.

The beneficial effects of this application are: the fan fixing frame is detachably connected with the outer side of the enclosing shell, and the radiating fin group only needs to extend to the radial direction of the fan fixing frame, so that the normal installation of the radiator is ensured, and the radiator is prevented from becoming very bulky.

Drawings

For a clearer description of the technical solutions in the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:

FIG. 1 is a schematic diagram of an assembled structure of an embodiment of a heat sink provided herein;

FIG. 2 is a schematic exploded view of an embodiment of a heat sink provided herein;

FIG. 3 is a schematic view of an embodiment of a fan mount provided herein;

FIG. 4 is a schematic cross-sectional view of the device of FIG. 1 in the direction IV-IV;

FIG. 5 is a schematic view of an embodiment of a containment vessel provided herein;

fig. 6 is a schematic structural diagram of an embodiment of a heat dissipating fin set provided in the present application;

fig. 7 is a schematic structural view of an embodiment of a fin provided herein;

FIG. 8 is a schematic structural view of an embodiment of a heat conducting block provided herein;

fig. 9 is a schematic structural view of an embodiment of a lamp cartridge provided herein.

Detailed Description

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. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not limiting. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present application are shown in the drawings. All other embodiments, based on the embodiments herein, which would be apparent to one of ordinary skill in the art without making any inventive effort, are intended to be within the scope of the present application.

The terms "first," "second," and the like in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise. All directional indications (such as up, down, left, right, front, back … …) in the embodiments of the present application are merely used to explain the relative positional relationship, movement, etc. between the components in a particular gesture (as shown in the drawings), and if the particular gesture changes, the directional indication changes accordingly. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. Such as a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed or inherent to such process, method, article, or apparatus but may optionally include other steps or elements not listed or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

Referring to fig. 1 and 2, fig. 1 is a schematic diagram illustrating an assembled structure of an embodiment of a heat sink provided in the present application, and fig. 2 is a schematic diagram illustrating an exploded structure of an embodiment of a heat sink provided in the present application.

The radiator provided by the application comprises a radiating fin group 10, a surrounding shell 20, a fan fixing frame 30 and a radiating fan 40. The heat radiation fin group 10 is used for contacting with the heat source 50 to absorb heat of the heat source 50, and the heat source 50 comprises parts with large heating value such as a CPU (central processing unit), a display card and the like; the enclosing casing 20 is fixed on the heat radiation fin set 10, the heat radiation fan 40 is connected with the fan fixing frame 30 and is accommodated in the fan fixing frame 30, and the fan fixing frame 30 is detachably connected with the outer side of the enclosing casing 20. Wherein screws are locked from the radial direction of the heat radiation fan 40 toward the heat radiation fin group 10 to fix the heat sink to the circuit board 60 provided with the heat source 50.

The specific process of installing the radiator is that firstly, the fan fixing frame 30 is detached from the enclosing shell 20, then, screws are locked into the radiating fin group 10 from the radial direction of the radiating fan 40, the screws are connected with the circuit board 60, so that the radiating fin group 10 is fixed on the circuit board 60, and finally, the fan fixing frame 30 is installed on the enclosing shell 20, so that the installation of the radiator is completed.

In order to fix the radiator on the circuit board 60, the screws need to be locked in a direction perpendicular to the circuit board 60, in which the locking direction of the screws is blocked by the fan fixing frame 30 and the enclosure housing 20, in order to solve this problem, it is generally necessary to further extend the radiator fin set 10 until the locking direction of the screws cannot be blocked by the fan fixing frame 30 and the enclosure housing 20, but in this way, the radiator becomes very bulky, not only the appearance is not attractive, but also the excessive space is required. In this embodiment, the fan fixing frame 30 is detachably connected with the outer side of the enclosing housing 20, and the heat dissipation fin group 10 only needs to extend to the radial direction of the fan fixing frame 30, so that the normal installation of the radiator is ensured, and the radiator is prevented from becoming very bulky.

Referring to fig. 1 to 4, fig. 3 is a schematic structural view of an embodiment of a fan fixing frame 30 provided in the present application, and fig. 4 is a schematic sectional view in the iv-iv direction in fig. 1 of the present application.

The fan fixing frame 30 includes a panel 31, a first side plate 32 and a second side plate 33, the panel 31 is provided with a wind hole 34, the first side plate 32 is arranged around the edge of the wind hole 34, the second side plate 33 is arranged around the outer edge of the panel 31, the first side plate 32 and the second side plate 33 extend in the same direction to form a clamping space 35, the clamping space 35 is used for limiting and clamping the enclosure shell 20, the fan fixing frame 30 and the enclosure shell 20 can be provided with a buckle 36 to enable the fan fixing frame 30 and the enclosure shell 20 to be connected in a clamping manner, and the fan fixing frame 30 and the enclosure shell 20 can be provided with the buckle 36 to be connected in a clamping manner.

The fixing and fastening process of the fan fixing frame 30 is that, firstly, the enclosure housing 20 is limited and clamped by the clamping space 35 formed by the first side plate 32 and the second side plate 33 of the fan fixing frame 30 (refer to fig. 4 specifically), and then the fan fixing frame 30 is forced to push the enclosure housing 20 in the axial direction of the air hole 34, so that the fastening buckles 36 connect with each other, and the fan fixing frame 30 and the enclosure housing 20 are fastened together.

The fan fixing frame 30 further includes connection ribs (not shown in fig. 3) which are accommodated in the clamping space 35 and are respectively connected with the first side plate 32 and the second side plate 33. The plurality of connecting ribs are uniformly or substantially uniformly distributed in the sandwiching space 35, and the main function of the connecting ribs is to connect the first side plate 32 and the second side plate 33 into a whole, preventing shrinkage deformation of the first side plate 32 and the second side plate 33.

The fan fixing frame 30 further includes a stop rib 37, the stop rib 37 is connected with an inner side surface of the second side plate 33, an opening 38 is formed on a side edge, far away from the panel 31, of the second side plate 33 towards the stop rib 37, so that a clamping groove is formed between the second side plate 33 and the stop rib 37, and the clamping groove clamps the edge of the enclosure shell 20, so that the stability of limiting and clamping the fan fixing frame 30 to the enclosure shell 20 is further improved.

Referring to fig. 1 to 5, fig. 5 is a schematic structural diagram of an embodiment of a enclosing housing 20 provided in the present application.

Specifically, the enclosure housing 20 includes a mounting plate 21 and an enclosure plate 22, the mounting plate 21 is provided with a through hole 23, and the enclosure plate 22 is disposed around an outer edge of the mounting plate 21 and extends in a direction away from the panel 31 to form a semi-enclosure structure. The number of the enclosing shells 20 is two, the enclosing plates 22 of the two enclosing shells 20 are butted to form a containing space 24 (refer to fig. 4 specifically) with two open ends, the ports of the containing space 24 are roughly divided into a first end, a second end, a third end and a fourth end, the first end and the third end are opposite and distributed in the axial direction of the air hole 34, the connecting line of the second end and the fourth end opposite and the connecting line of the second end and the fourth end is perpendicular to the axial direction of the air hole 34, the second end and the fourth end are provided with openings, and the heat radiation fin group 10 is assembled in the containing space 24 and extends out of the openings of the second end to be in contact with the heat source 50.

The through hole 23 is opposite to the wind hole 34, and the cooling fan 40 drives air to pass through the through hole 23 and the wind hole 34. The clamping space 35 is used for limiting and clamping the mounting plate 21, and the clamping groove is used for further clamping the edge of the mounting plate 21. Optionally, the number of the fan fixing frames 30 is two as same as that of the enclosing shell 20, two cooling fans 40 are correspondingly installed on the fan fixing frames 30, and the rotation directions of the two cooling fans 40 are consistent, so that a single air flow is formed in the accommodating space 24, the air pressure in the accommodating space 24 is increased, and the air flow efficiency is improved.

Further, the surrounding plate 22 is provided with at least two air inlet grooves 25 to increase the flow rate of the wind flow.

The enclosure shell 20 further comprises a limiting protrusion 26, the limiting protrusion 26 is arranged around the inner side face of the hole 23 in a protruding mode, a limiting groove 39 is formed in the side edge, far away from the panel 31, of the first side plate 32, the limiting protrusion 26 is clamped in the limiting groove 39, and therefore stability of limiting clamping of the fan fixing frame 30 to the enclosure shell 20 is further improved.

The enclosing housing 20 further includes a clamping plate 27, the clamping plate 27 is connected with the mounting plate 21 and the enclosing plate 22, and the clamping plate 27 semi-closes the opening of the radiator fin group 10, the clamping plate 27 is provided with a clamping hole 28, the radiator fin group 10 is provided with a fixing hole 101 (refer to fig. 2) matched with the clamping hole 28, and a screw penetrates through the clamping hole 28 and cooperates with the fixing hole 101 to fix the enclosing housing 20 on the radiator fin group 10. Optionally, the distance between the clamping holes 28 on the adjacent clamping plates 27 is larger than the distance between the corresponding fixing holes 101, and the screws press the clamping plates 27 by virtue of the rigidity of the screws to press the clamping plates 27 to tightly fit the adjacent clamping plates 27 after passing through the clamping holes 28 so as to avoid gaps between the clamping plates 27.

Referring to fig. 1 to 7, fig. 6 is a schematic structural diagram of an embodiment of a heat dissipation fin set 10 provided in the present application, and fig. 7 is a schematic structural diagram of an embodiment of a fin 11 provided in the present application.

The heat radiation fin group 10 includes at least two fins 11, a heat pipe 12, a heat conduction block 13, and a fixing bracket 14 (refer to fig. 1). At least two fins 11 are stacked on each other and spaced apart, the heat pipe 12 has a heat absorbing portion and a heat dissipating portion in curved connection with the heat absorbing portion, the heat dissipating portion of the heat pipe 12 is vertically inserted into the at least two fins 11, and the heat absorbing portion of the heat pipe 12 protrudes from the opening 38 at the second end. The heat conducting block 13 is connected to the heat absorbing portion of the heat pipe 12 and together form a flat surface 15, the flat surface 15 is used for contacting with the heat source 50, one end of the fixing support 14 is connected to the heat conducting block 13, and the opposite end of the fixing support 14 extends to the radial direction of the heat dissipating fan 40 to receive the screw to be locked into the screw from the direction perpendicular to the flat surface 15. The two enclosing shells 20 are connected from the direction of stacking the vertical fins 11, so that at least two fins 11 are accommodated in the accommodating space 24 between the two enclosing shells 20, and the cooling fan 40 drives air to pass through the spacing space between the at least two fins 11, the through holes 23 and the air holes 34.

The fins 11 comprise a main body 112 and a turnover part 114, the main body 112 is provided with a mounting hole 116 and a fixing hole 101, the turnover part 114 is arranged around the edge of the mounting hole 116 in a protruding mode, the turnover part 114 supports the adjacent fins 11 to enable at least two fins 11 to be arranged at intervals, and the heat dissipation part sequentially penetrates through the mounting holes 116 of the at least two fins 11 and is in abutting connection with the turnover part 114.

Referring to fig. 1 to 8, fig. 8 is a schematic structural diagram of an embodiment of a heat conducting block 13 provided in the present application.

The heat conducting block 13 includes a base 131 and at least two heat dissipation fins 132, a hook groove 133 is provided on a bottom surface of the base 131, one end of the fixing bracket 14 is connected with a side surface of the base 131, at least two heat dissipation fins 132 are arranged on a top surface of the base 131 in parallel with each other, a first heat dissipation channel 134 is formed between the at least two heat dissipation fins 132, and at least two through grooves are provided on the heat conducting block 13 in a direction perpendicular to the arrangement direction of the heat dissipation fins 132 to form a second heat dissipation channel 135 perpendicular to the first heat dissipation channel 134 (refer to fig. 6). The first heat dissipation channel 134 and the second heat dissipation channel 135 are perpendicular to each other, and are complementary to each other on the heat dissipation air channel, that is, no matter how the air flows, it is ensured that the at least two heat dissipation fins 132 do not block the air flow so as to achieve rapid heat dissipation.

A third heat dissipation channel 136 is formed at the contact position between the top surface of the base 131 and the heat dissipation fin 132, and the third heat dissipation channel 136 is parallel to the first heat dissipation channel 134, or the third heat dissipation channel 136 is parallel to the second heat dissipation channel 135, so as to further increase the heat dissipation effect of the heat conduction block 13.

The base 131 may be a flat plate-shaped fixing block, and the hooking groove 133 extends laterally on the bottom surface of the flat plate-shaped fixing block and spans the flat plate-shaped fixing block. Screw holes 137 may be formed at the side of the base 131 in the direction spanned by the vertical hooking grooves 133, and the screw holes 137 are used to receive screw locking to lock the fixing bracket 14 on the side of the base 131.

Of course, a fixing groove may be formed on the top surface of the base 131 in a direction perpendicular to or parallel to the arrangement direction of the heat sink 132, the fixing groove is used for receiving the locking of the screw in a direction perpendicular to the top surface of the base 131 to lock the fixing bracket 14, and a tooth slot or a protruding strip is formed on the inner surface of the fixing groove to enhance the connection strength of the screw and the fixing groove, which is remarkable in that the base 131 may be a non-flat plate-shaped fixing block.

The number of the heat pipes 12 is at least two, the bottom surfaces of the heat conduction blocks 13 are provided with the same number of the hook grooves 133 as the heat pipes 12, the heat absorbing parts of the at least two heat pipes 12 are arranged in the hook grooves 133 side by side, and the heat absorbing parts of the at least two heat pipes 12 are extruded and deformed to be clamped in the hook grooves 133 in a respective extrusion way, so that the assembly between the heat pipes 12 and the heat conduction blocks 13 is completed through a solid structure, the assembly process is rapid and high in stability, and the heat absorbing parts of the at least two heat pipes 12 and the bottom surfaces of the heat conduction blocks 13 form a flat surface 15 together.

Specifically, the hook groove 133 has a receiving wall 1332 and engaging portions 1334, the engaging portions 1334 are disposed on opposite sides of the receiving wall 1332 and protrude inward to form the hook groove 133 with the receiving wall 1332, the heat absorbing portion is received in the receiving wall 1332, and the engaging portions 1334 engage the heat absorbing portion.

Alternatively, the sectional shape of the housing wall 1332 may be an arc; the cross-sectional shape of the receiving wall 1332 may be a dovetail shape, and the dovetail-shaped receiving wall 1332 and the engaging portion 1334 cooperate with each other to better engage the heat absorbing portion of the heat pipe 12; the cross-sectional shape of the housing wall 1332 may be a square or other shape, which is not shown here.

Optionally, the front-to-rear sides of the sequentially spaced housing walls 1332 are flush with the bottom surface of the base 131, and the middle sides of the sequentially spaced housing walls 1332 are disposed to sink with respect to the bottom surface of the base 131. In this way, the side of the accommodating wall 1332 occupies the area of the flat surface 15 as little as possible, and the heat absorbing portion of the heat pipe 12 occupies the area of the flat surface 15 as much as possible to contact the heat source 50, because the heat absorbing effect of the heat source 50 is far greater than the heat absorbing capability of the base 131, and the working principle of the heat pipe 12 will not be described in detail herein.

Optionally, a fixing protrusion 1336 is disposed in the accommodating wall 1332, and the heat absorbing portion of the heat pipe 12 is deformed and abuts against the fixing protrusion 1336 when being pressed, so as to be supported by the fixing protrusion 1336, thereby enhancing the clamping strength of the heat absorbing portion of the heat pipe 12 and the clamping portion 1334.

Referring to fig. 1 to 9, fig. 9 is a schematic structural diagram of an embodiment of a lamp box 70 provided in the present application.

The heat sink of the present embodiment further includes a lamp box 70, wherein the lamp box 70 covers the opening of the fourth end of the accommodating space 24, and the lamp box 70 can emit light in the energized state to increase the aesthetic property of the heat sink.

Specifically, the lamp cartridge 70 has a box-shaped body structure, a first through hole 71 is formed in a side surface of the lamp cartridge 70, a second through hole 72 is formed in a top surface of the lamp cartridge 70, and a third through hole (not shown in fig. 9) corresponding to the second through hole 72 is formed in a bottom surface of the lamp cartridge 70. The enclosing housing 20 further comprises a plugboard 29, the plugboard 29 is connected with the enclosing plate 22 and extends towards the direction of the radiating fin group 10 so as to penetrate through the first through hole 71 and be inserted into the lamp box 70, a screw sequentially penetrates through the second through hole 72, the plugboard 29 and the third through hole and is connected with the radiating fin group 10, the enclosing housing 20 and the radiating fin group 10 are fixed together by the screw, the plugboard 29 of the enclosing housing 20 presses the lamp box 70 so as to fix the lamp box 70, and therefore the radiating fin group 10, the lamp box 70 and the enclosing housing 20 are connected with each other.

Alternatively, the first through hole 71 and the second through hole 72 communicate with each other, so that when the second through hole 72 and the third through hole cannot be completely aligned, the screw may be offset in the direction of the first through hole 71 to increase the fault tolerance of the second through hole 72.

The foregoing description is only exemplary embodiments of the present application and is not intended to limit the scope of the present application, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present application, or direct or indirect application in other related technical fields are included in the scope of the present application.

Claims

1. The radiator is characterized by comprising a radiating fin group, a surrounding shell, a fan fixing frame and a radiating fan, wherein the radiating fin group is used for being in contact with a heat source, the surrounding shell is fixed on the radiating fin group, the fan fixing frame is detachably connected with the surrounding shell, the radiating fan is connected with the fan fixing frame and is contained in the fan fixing frame, and screws are locked into the radiating fin group from the radial direction of the radiating fan so as to fix the radiator on a circuit board provided with the heat source;

the fan fixing frame comprises a panel, a first side plate and a second side plate, wherein the panel is provided with a wind hole, the first side plate is arranged around the edge of the wind hole, the second side plate is arranged around the outer edge of the panel, the first side plate and the second side plate extend in the same direction to form a clamping space, the clamping space is used for limiting and clamping the enclosing shell, and the fan fixing frame and/or the enclosing shell are/is provided with a buckle so that the fan fixing frame and/or the enclosing shell can be detachably connected with each other;

the heat dissipation fin group comprises a heat conduction block, the heat conduction block comprises a base and at least two heat dissipation fins, the bottom surface of the base forms a flat surface contacted with the heat source, the heat dissipation fins are arranged on the top surface of the base in parallel, a first heat dissipation channel is formed between the at least two heat dissipation fins, and a second heat dissipation channel is arranged on the heat conduction block in the direction perpendicular to the first heat dissipation channel.

2. The heat sink of claim 1 wherein the enclosure housing comprises a mounting plate and an enclosure plate, the mounting plate defines a via, the enclosure plate surrounds an outer edge of the mounting plate and extends away from the panel, the via is disposed opposite the air hole, and the clamping space is limited to clamp the mounting plate.

3. The heat sink of claim 2, wherein the enclosure housing further comprises a limiting protrusion, the limiting protrusion protrudes around an inner side surface of the via hole, a limiting groove is formed in a side edge, away from the panel, of the first side plate, and the limiting protrusion is clamped in the limiting groove.

4. The heat sink of claim 1, wherein the fan mount further comprises a connecting rib received in the clamping space and connected to the first side plate and the second side plate, respectively.

5. The heat sink of claim 2 wherein the fan mount further comprises a stop rib connected to an inner side of the second side plate, the second side plate having an opening facing the stop rib such that a clip groove is formed between the second side plate and the stop rib, the clip groove clipping an edge of the mounting plate.

6. The heat sink of claim 1 wherein said heat fin set further comprises at least two fins and a heat pipe, at least two of said fins being stacked on each other and spaced apart, said heat pipe being vertically inserted into at least two of said fins, said heat conducting block being connected to said heat pipe and together forming a planar surface for contact with said heat source, said screws being keyed in from a direction perpendicular to said planar surface, said number of said enclosing housings being two, said two enclosing housings being connected from a direction perpendicular to said fin stacking direction such that at least two of said fins are received between said two enclosing housings.

7. The heat sink of claim 6 wherein the set of heat fins further comprises a fixed bracket having one end connected to the heat conducting block and an opposite end extending radially of the heat dissipating fan to receive a vertical lock in of the screw.

8. The heat sink of claim 6, wherein the number of the heat pipes is at least two, the heat pipes are provided with heat absorbing parts and heat dissipating parts which are in bending connection with the heat absorbing parts, the heat dissipating parts are vertically inserted into the at least two fins, the bottom surface of the heat conducting block is provided with hook grooves with the same number as the heat pipes, the heat absorbing parts of the at least two heat pipes are arranged in the hook grooves side by side, the heat absorbing parts of the at least two heat pipes are extruded and deformed to be respectively clamped in the hook grooves in a pressing way, and the heat absorbing parts of the at least two heat pipes and the bottom surface of the heat conducting block jointly form the flat surface.