CN114302611B - Heat abstractor and electronic equipment - Google Patents

Abstract

The invention relates to the technical field of heat dissipation devices, in particular to a heat dissipation device and electronic equipment. The heat dissipating device comprises a chassis, a connector, a fan module and a wind shielding structure, wherein a plurality of fan mounting cavities are arranged on the chassis; the connector is connected with the case and is positioned at one end of the fan installation cavity; the fan module is suitable for being detachably arranged in the fan installation cavity from the other end of the fan installation cavity and is suitable for being connected with the connector; the wind shielding structure is rotatably connected to the cavity wall of the fan installation cavity and is provided with a closing position for closing the fan installation cavity after the fan module is disassembled and an opening position for opening the fan installation cavity when the fan module is installed. According to the heat dissipating device provided by the invention, when the fan module in one fan installation cavity is detached, the wind shielding structure is in the closed position, the fan installation cavity is closed, and hot air emitted by the fan modules in other fan installation cavities is prevented from flowing back to the position to be cooled through the fan installation cavity without the fan module.

Description

Cooling devices and electronic equipment

Technical field

The present invention relates to the technical field of heat dissipation devices, and in particular to a heat dissipation device and electronic equipment.

Background technique

In recent years, with the rapid development of Internet technology, especially breakthroughs in key technologies such as big data and cloud platforms, the demand for servers has increased. The heat dissipation problem in servers is also becoming more and more prominent. The heat dissipation of the server is inseparable from the heat dissipation device. The heat dissipation device generally includes a chassis and multiple sets of fan modules. The chassis is provided with multiple fan installation cavities, and each fan installation cavity can be connected to a set of fan modules. However, when there is no fan module installed in the corresponding fan installation cavity, the hot air discharged by other fan modules can easily flow back to the components to be cooled through the fan installation cavity where the fan module is not installed, resulting in poor heat dissipation effect of the heat dissipation device. .

Contents of the invention

Therefore, the technical problem to be solved by the present invention is to overcome the defect of poor heat dissipation effect of the heat dissipation device in the prior art, thereby providing a heat dissipation device and electronic equipment that prevents hot air from flowing back and ensures good heat dissipation effect.

In order to solve the above problems, the present invention provides a heat dissipation device, which includes a chassis, a connector, a fan module and a windshield structure. The chassis is provided with multiple fan installation cavities; the connector is connected to the chassis and is located in the fan installation cavity. One end; the fan module is suitable for detachable installation in the fan installation cavity from the other end of the fan installation cavity, and is suitable for connection with the connector; the wind shielding structure is rotatably connected to the cavity wall of the fan installation cavity, and has a The closed position for closing the fan installation cavity after the fan module is disassembled, and the open position for opening the fan installation cavity when the fan module is installed.

In the heat dissipation device provided by the invention, the windshield structure includes a spring hinge and a windshield; one end of the windshield is a connection end connected to the first cavity wall of the fan installation cavity through a spring hinge, and the other end is a movable end, and the movable end has a The closed position is in contact with the second cavity wall opposite to the first cavity wall, and the open position is close to the first cavity wall.

In the heat dissipation device provided by the invention, the fan module includes a fan body, a first bracket, a second bracket and a locking structure; the first bracket is detachably connected to one end of the fan body and is suitable for connection with a connector; the second bracket can The locking structure is detachably connected to the other end of the fan body; the locking structure is connected to the end of the second bracket away from the fan body and is suitable for locking connection with the fan installation cavity.

In the heat dissipation device provided by the present invention, the locking structure includes a bracket top wall, two opposite bracket side walls, a first locking part and a second locking part. The bracket top wall is provided at an end of the second bracket away from the fan body; the bracket top wall The two ends of the bracket are respectively connected to the two bracket side walls, the two bracket side walls are respectively arranged outside the two side walls of the second bracket, and the two bracket side walls are rotatably connected to the corresponding second bracket; the first The locking part is arranged on one end of the side wall of the bracket and is suitable for locking connection with the bottom wall of the fan installation cavity; the second locking part is arranged on the top wall of the bracket and is suitable for locking connection with the second bracket.

In the heat dissipation device provided by the present invention, a rotation hole is provided at one end of the side wall of the bracket where the first locking portion is provided, and the rotation hole is rotatably connected to the side wall of the second bracket through a pin.

In the heat dissipation device provided by the present invention, the first locking part includes a limiting groove, and the limiting groove is opened on the side wall of the bracket at one end away from the top wall of the bracket; the bottom wall of the fan installation cavity is provided with limiting holes and avoidance grooves at intervals, and the avoidance groove is It is disposed on the bottom wall of the fan installation cavity at an end away from the connector; the distance between the avoidance groove and the limit hole is suitable for contacting the bottom of the limit groove during locking connection.

In the heat dissipation device provided by the present invention, the outer circumference of the groove wall on the side of the limiting groove close to the fan body is arc-shaped.

In the heat dissipation device provided by the present invention, the second locking part is a locking knob. The locking knob is rotatably connected to the top wall of the bracket. One end is provided with a handle and the other end is provided with a limit strip. The second bracket is provided with a limit strip. The shape of the limiter slot matches that of the long hole.

In the heat dissipation device provided by the present invention, the fan module also includes a light guide column. The light guide column is arranged on the fan body and is communicatively connected with the first bracket, and is suitable for displaying whether the fan module is faulty.

The invention also provides an electronic device, including the above-mentioned heat dissipation device.

The invention has the following advantages:

1. The heat dissipation device provided by the present invention includes a chassis, a connector, a fan module and a windshield structure. The chassis is provided with multiple fan installation cavities; the connector is connected to the chassis and is located at one end of the fan installation cavity; the fan module It is suitable to be detachably installed in the fan installation cavity from the other end of the fan installation cavity, and is suitable for connection with the connector; the wind shielding structure is rotatably connected to the cavity wall of the fan installation cavity, and has the function of removing the fan module after the fan module is disassembled. The closed position of the fan installation cavity is closed, and the open position of the fan installation cavity is opened when the fan module is installed.

There are multiple fan installation cavities on the chassis. When the fan module in one fan installation cavity is removed, the wind shielding structure is in the closed position, closing the fan installation cavity to prevent the hot air emitted from the fan modules in other fan installation cavities from passing through. The fan installation cavity where the fan module is not installed flows back to the location to be cooled, ensuring that the heat dissipation device has a good heat dissipation effect. When the fan module is installed in the fan installation cavity, the windshielding structure is in the open position, which does not affect the normal installation of the fan module. The number of fan installation cavities in the chassis is related to the cooling needs of the electronic equipment to be cooled.

Description of the drawings

In order to more clearly explain the specific embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings that need to be used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description The drawings illustrate some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting any creative effort.

Figure 1 shows a partial schematic view of the heat dissipation device of the present invention from a first angle;

Figure 2 shows a partial schematic view of the heat dissipation device of the present invention from a second angle;

Figure 3 shows a partial schematic view of the heat dissipation device of the present invention from a third angle;

Figure 4 shows an exploded view of the installation of the fan module of the present invention;

Figure 5 shows a schematic diagram of the fan module of the present invention;

Figure 6 shows a partial schematic diagram of the fan module of the present invention;

Figure 7 shows a schematic diagram of the locking knob of the present invention;

Figure 8 shows a schematic diagram 1 of the installation of the fan module of the present invention;

Figure 9 shows the second installation diagram of the fan module of the present invention;

Figure 10 shows the installation diagram 3 of the fan module of the present invention;

Figure 11 shows the installation diagram 4 of the fan module of the present invention;

FIG. 12 shows an enlarged view of part A of FIG. 11 .

Explanation of reference symbols:

1. Chassis; 11. Fan installation cavity; 12. Limit hole; 13. Avoidance groove; 2. Connector; 3. Fan module; 31. Fan body; 32. First bracket; 33. Second bracket; 34 , locking structure; 341. top wall of the bracket; 342. side wall of the bracket; 343. first locking part; 344. second locking part; 345. limiting groove; 4. windshield structure; 5. light guide column.

Detailed ways

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description. It does not indicate or imply that the device or element referred to must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limitations of the invention. Furthermore, the terms “first”, “second” and “third” are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise clearly stated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection or a detachable connection. Connection, or integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

In addition, the technical features involved in different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

As shown in Figures 1 to 12, this embodiment provides a heat dissipation device, including a chassis 1, a connector 2, a fan module 3 and a windshield structure 4. The chassis 1 is provided with multiple fan installation cavities 11; connect The device 2 is connected to the chassis 1 and is located at one end of the fan installation cavity 11; the fan module 3 is suitable for detachable installation in the fan installation cavity 11 from the other end of the fan installation cavity 11, and is suitable for connection with the connector 2; The windshielding structure 4 is rotatably connected to the wall of the fan installation cavity 11 and has a closed position to close the fan installation cavity 11 after the fan module 3 is disassembled, and an open position to open the fan installation cavity 11 when the fan module 3 is installed. Location.

The chassis 1 is provided with a plurality of fan installation cavities 11. When the fan module 3 in one fan installation cavity 11 is disassembled, the wind blocking structure 4 is in the closed position, closing the fan installation cavity 11 to prevent the fans in other fan installation cavities 11. The hot air emitted by the module 3 flows back to the location to be cooled through the fan installation cavity 11 where the fan module 3 is not installed, ensuring that the heat dissipation device has a good heat dissipation effect. When the fan module 3 is installed in the fan installation cavity 11, the wind blocking structure 4 is in the open position, which does not affect the normal installation of the fan module 3. The number of fan installation cavities 11 in the chassis 1 is related to the cooling demand of the electronic equipment to be cooled. The higher the cooling demand, the more fan installation cavities 11 are. In specific implementation, the heat dissipation device also includes a fan board, the fan board is detachably connected to the chassis 1, and the connector 2 is provided on the fan board.

In the heat dissipation device of this embodiment, the windshield structure 4 includes a spring hinge and a windshield; one end of the windshield is a connection end connected to the first cavity wall of the fan installation cavity 11 through a spring hinge, and the other end is a movable end. The movable end has a closed position abutting against a second cavity wall opposite the first cavity wall, and an open position close to the first cavity wall.

The windshield is rotatably connected to the first cavity wall of the fan installation cavity 11 under the action of the spring hinge, and because the spring hinge is elastic, when the fan module 3 is installed in the fan installation cavity 11, the windshield is affected by the fan module. The group 3 is squeezed to open the open position, and the movable section is close to the first cavity wall, and the wind shield is stored in the fan installation cavity 11, occupying less space; when the fan module 3 is removed from the fan installation cavity 11, the wind shield Under the elastic action of the spring hinge, the movable end of the plate rotates around the connecting end until the movable end contacts the second cavity wall, and the movable end is in a closed position to prevent the hot air exported from other fan modules 3 from flowing back to the fan installation cavity 11. Wait for cooling down. In a specific embodiment, the first cavity wall and the second cavity wall are two opposite side walls of the fan installation cavity 11 . The first cavity wall and the second cavity wall ensure that the fan module 3 can be installed smoothly and plugged into the connector 2 smoothly.

In the preferred embodiment, when the movable end is in the closed position, the windshield is arranged obliquely in the fan installation cavity 11 to prevent the movable end from rotating out of the fan installation cavity 11 under the action of elastic force. There is also a protruding fool-proof part on the windshield near the movable end. The physical structure can be disassembled and assembled to prevent fool-proofing, avoid damage to the high-density port, and bring a good experience to users.

In the heat dissipation device of this embodiment, the fan module 3 includes a fan body 31, a first bracket 32, a second bracket 33 and a locking structure 34; the first bracket 32 is detachably connected to one end of the fan body 31 and is suitable for connecting with the fan body 31. Connector 2 is connected; the second bracket 33 is detachably connected to the other end of the fan body 31 ; the locking structure 34 is connected to one end of the second bracket 33 away from the fan body 31 and is suitable for locking connection with the fan installation cavity 11 . The fan module 3 has a simple structure and is easy to disassemble, assemble, and lock.

In the heat dissipation device of this embodiment, the locking structure 34 includes a bracket top wall 341, two opposite bracket side walls 342, a first locking part 343 and a second locking part 344; the bracket top wall 341 is provided away from the second bracket 33 One end of the fan body 31; both ends of the bracket top wall 341 are respectively connected to two bracket side walls 342. The two bracket side walls 342 are respectively arranged outside the two side walls of the second bracket 33. The two bracket side walls 342 Both are rotatably connected to the corresponding second bracket 33; the first locking portion 343 is provided at one end of the bracket side wall 342 and is suitable for locking connection with the bottom wall of the fan installation cavity 11; the second locking portion 344 is provided on the top wall of the bracket 341, suitable for locking connection with the second bracket 33. Through the cooperation of the first locking part 343 and the second locking part 344, the top and bottom sides of the fan module 3 are locked, achieving triangular locking, which has a better locking effect and is easy to disassemble and assemble.

In the heat dissipation device of this embodiment, a rotation hole is provided at one end of the side wall 342 of the bracket where the first locking portion 343 is provided. The rotation hole is rotatably connected to the side wall of the second bracket 33 through a pin. It has simple structure, convenient connection and takes up little space.

In the heat dissipation device of this embodiment, the first locking part 343 includes a limiting groove 345. The limiting groove 345 is opened at an end of the bracket side wall 342 away from the bracket top wall 341; the bottom wall of the fan installation cavity 11 is provided with limiting slots at intervals. Hole 12 and relief groove 13, relief groove 13 is provided on the bottom wall of the fan installation cavity 11 at one end away from the connector 2; the interval between the relief groove 13 and the limiting hole 12 is suitable for connecting with the limiting groove 345 during the locking connection. The groove bottoms are in contact with each other. During the installation process of the fan module 3, the escape groove 13 avoids the first locking portion 343 to prevent the first locking portion 343 from interfering with the bottom wall of the fan installation cavity 11, causing the fan module 3 to be unable to be installed further. When locked, the distance between the escape groove 13 and the limiting hole 12 is suitable for contacting the bottom of the limiting groove 345 during the locking connection. The bracket top wall 341 is locked with the upper end of the second bracket 33 to prevent the fan module 3 from being locked. Displacement occurs in the installation direction, and the locking effect is good.

In the heat dissipation device of this embodiment, the outer periphery of the groove wall on the side of the limiting groove 345 close to the fan body 31 is arc-shaped. This prevents the locking bracket from interfering or rubbing with the limiting hole 12 during rotation.

In the heat dissipation device of this embodiment, the second locking part 344 is a locking knob. The locking knob is rotatably connected to the top wall 341 of the bracket. One end is provided with a handle and the other end is provided with a limit bar. The second bracket 33 is provided with a The shape of the limit strip matches the long limit hole. The structure is simple, easy to lock and unlock, and easy to operate.

In the heat dissipation device of this embodiment, the fan module 3 also includes a light guide column 5. The light guide column 5 is provided on the fan body 31 and is communicatively connected with the first bracket 32, which is suitable for showing whether the fan module 3 is faulty. The light guide column 5 can show maintenance personnel which fan module 3 is faulty. For example, when the color of the light guide column 5 of a group of fan modules 3 is inconsistent with the color of the light guide column 5 of other fan modules 3, it means that the fans of this group Module 3 is faulty or other fan module 3 is faulty. For example, when the color of the light guide column 5 of a set of fan modules 3 is fault red, it means that the set of fan modules 3 is faulty.

In a specific embodiment, a set of fan modules 3 may have multiple fan bodies 31 , and the three corners of the multiple fan bodies 31 are connected in sequence by fan glue nails. A light guide column 5 is provided at the fourth corner.

In this embodiment, when the light guide column 5 shows that the fan module 3 is faulty, the locking knob is rotated to unlock the second bracket 33, and then the locking bracket is rotated downward to unlock the first locking portion 343 and the bottom wall of the fan installation cavity 11. , the limiting groove 345 resists the avoidance groove 13, and under the action of the lever, the fan module 3 can be easily and quickly disassembled. The installation process of the fan module 3 includes: pushing the fan module 3 into the fan installation cavity 11, when the first locking part 343 abuts the limiting hole 12, rotate the locking bracket upward, and under the action of the lever, the fan module 3 is successfully connected to the connector 2, the fan is installed in place, the rotating lock knob is locked with the second bracket 33, and the fan module 3 is quickly locked and installed.

In this embodiment, an electronic device is also disclosed, including the above heat dissipation device. The electronic equipment may be a server, a storage, a switch, or other electronic equipment that requires a heat dissipation device. The heat dissipation device can be applied to a 1U, 2U, 3U, or 4U chassis 1, and the fan body 31 can also be a large fan of 40mm, 60mm, or 80mm.

Obviously, the above-mentioned embodiments are only examples for clear explanation and are not intended to limit the implementation. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. An exhaustive list of all implementations is neither necessary nor possible. The obvious changes or modifications derived therefrom are still within the protection scope of the present invention.

Claims (9)

1. A heat sink, comprising:

the case (1) is provided with a plurality of fan installation cavities (11);

the connector (2) is connected with the chassis (1) and is positioned at one end of the fan mounting cavity (11);

a fan module (3) adapted to be detachably mounted in the fan mounting chamber (11) from the other end of the fan mounting chamber (11) and adapted to be connected with the connector (2);

a wind shielding structure (4) rotatably connected to a cavity wall of the fan mounting cavity (11), having a closed position closing the fan mounting cavity (11) after the fan module (3) is detached, and an open position opening the fan mounting cavity (11) when the fan module (3) is mounted, the wind shielding structure (4) comprising:

a spring hinge;

the wind shield, one end is the link that passes through the spring hinge with the first chamber wall of fan installation cavity (11) is connected, and the other end is the expansion end, the expansion end have with the second chamber wall butt that the first chamber wall is relative close the position, and with the open position that the first chamber wall is close, when the expansion end is in the closed position, the wind shield slope sets up in fan installation cavity (11).

2. The heat sink according to claim 1, wherein the fan module (3) comprises:

a fan body (31);

a first bracket (32) detachably connected to one end of the fan body (31) and adapted to be connected to the connector (2);

a second bracket (33) detachably connected to the other end of the fan body (31);

and a locking structure (34) connected to the end of the second bracket (33) remote from the fan body (31) and adapted to be locked in connection with the fan mounting chamber (11).

3. The heat sink according to claim 2, wherein the locking structure (34) comprises:

a bracket top wall (341) provided at an end of the second bracket (33) remote from the fan body (31);

two opposite bracket side walls (342), wherein two ends of the bracket top wall (341) are respectively connected with the two bracket side walls (342), the two bracket side walls (342) are respectively arranged outside the two side walls of the second bracket (33), and the two bracket side walls (342) are respectively and rotatably connected with the corresponding second bracket (33);

a first locking part (343) arranged at one end of the side wall (342) of the bracket and suitable for locking connection with the bottom wall of the fan mounting cavity (11);

a second locking portion (344) provided on the bracket top wall (341) and adapted to be locked to the second bracket (33).

4. A heat sink according to claim 3, characterised in that the end of the bracket side wall (342) provided with the first locking portion (343) is provided with a rotation hole, which is rotatably connected with the side wall of the second bracket (33) by means of a pin.

5. The heat dissipating device according to claim 4, wherein the first locking portion (343) comprises a limit groove (345), and the limit groove (345) is formed at an end of the bracket side wall (342) away from the bracket top wall (341); a limiting hole (12) and an avoidance groove (13) are formed in the bottom wall of the fan mounting cavity (11) at intervals, and the avoidance groove (13) is arranged at one end, far away from the connector (2), of the bottom wall of the fan mounting cavity (11); the interval between the avoidance groove (13) and the limit hole (12) is suitable for abutting with the groove bottom of the limit groove (345) during locking connection.

6. The heat dissipating device according to claim 5, wherein the outer periphery of the groove wall of the side of the limit groove (345) adjacent to the fan body (31) is arc-shaped.

7. The heat dissipating device according to any one of claims 3-6, wherein the second locking portion (344) is a locking knob rotatably connected to the bracket top wall (341), one end is provided with a handle portion, the other end is provided with a limit bar, and the second bracket (33) is provided with a limit slot hole matching the shape of the limit bar.

8. The heat sink according to any of the claims 3-6, characterized in that the fan module (3) further comprises a light guiding column (5), the light guiding column (5) being arranged on the fan body (31) and being in communication with the first bracket (32) adapted to show whether the fan module (3) is malfunctioning.

9. An electronic device comprising the heat sink of any one of claims 1-8.