CN108811456B - Heat dissipation device for switch - Google Patents

Abstract

The invention provides a heat dissipation device for a switch, which belongs to the technical field of communication equipment. It includes a plurality of cooling fans, a bracket fixed on the switch cabinet, and an assembled fixing component fixed on the bracket facing the mainboard of the switch for fixing a plurality of cooling fans. The plurality of cooling fans are arranged opposite to the slots of the mainboard of the switch. The heat dissipation device of the switch provided by the invention can realize targeted heat dissipation for the position of the motherboard slot with a large heat dissipation capacity, and realize the uniform heat dissipation of the switch.

Description

Switch cooling device

technical field

The invention belongs to the technical field of communication equipment, and more particularly, relates to a heat dissipation device for a switch.

Background technique

A switch is a network device used for electrical (optical) signal forwarding. It can provide an exclusive electrical signal path for any two network nodes of the access switch. The most common switches are Ethernet switches, and other common ones are telephone voice switches, fiber switches, etc. A switch generally includes a main board and a casing. When the switch performs electrical signal forwarding, especially when there are many network nodes connected, a large amount of heat will be generated on the main board. In existing switches, heat dissipation holes are generally provided on one side of the case, and an air supply fan is installed on the other side to achieve heat dissipation. When there are many network nodes, multiple switches are often used. In order to reduce the footprint, it is necessary to use a cabinet to support each switch. The existing cabinet generally includes uprights supporting both sides of the switch, and a multi-layer support plate is arranged between the uprights on both sides to support a plurality of switch uprights. When the switch is working, the key components such as the mainboard slot generate a lot of heat and need to be dissipated in time. The existing switch generally dissipates heat through the cooling fan on the switch cabinet. The existing heat dissipation methods cannot dissipate the heat at the position of the motherboard slot with a large amount of heat dissipation, and the heat dissipation is uneven, which affects the service life of the equipment.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a heat dissipation device for a switch, which aims to solve the problem that the existing switch cannot achieve uniform heat dissipation for the position of the motherboard slot with a large amount of heat dissipation, which affects the service life of the equipment.

In order to achieve the above object, the technical solution adopted in the present invention is to provide a heat dissipation device for a switch, including a plurality of cooling fans, a bracket fixed on the switch cabinet, and a bracket facing the mainboard side of the switch and fixed on the bracket for fixing a plurality of heat dissipation fans. It is an assembled fixed component of the fan, and several cooling fans are arranged opposite to the sockets of the mainboard of the switch.

Further, the bracket includes two uprights fixed vertically on the bottom plate of the switch cabinet and a crossbar fixed between the two uprights for supporting the assembled fixing assembly, and the two uprights are respectively fixed on both sides of the switch.

Further, the top of the crossbar and along the length direction of the crossbar are provided with a first slot for clamping and fixing the assembled fixing assembly, the length of the first slot is the same as the width of the assembled fixing assembly, and the length of the first slot is greater than the width of the switch board.

Further, the opposite sides of the two uprights are provided with second slots for sliding connection with the cross bar, and the two ends of the cross bar are respectively slidably connected with the corresponding two second slots, and the assembled fixing assembly is connected to the cross bar. The two second card slots are slidably fitted.

Further, the two uprights are provided with a number of first bolt holes spaced along the length direction of the uprights, and the center line of the two first bolt holes corresponding to the two uprights is perpendicular to the uprights, and the Both ends are provided with connecting holes corresponding to the first bolt holes.

Further, the assembled fixing assembly includes a plurality of fixing cylinders that are inserted and fixed vertically and horizontally in a vertical plane, and the cooling fan is fixed on the fixing cylinders.

Further, the cross-sectional shapes of the outer wall and the inner wall of the fixing cylinder are square, one end of the fixing cylinder is an introduction port for introducing the cooling fan, and the other end of the fixing cylinder is a fixing port for fixing the cooling fan; Each of the inner corners is provided with a fixing table for abutting and fixing the cooling fan, and each fixing table is provided with a second bolt hole for fixing and connecting the cooling fan; the first outer wall of the fixing cylinder and the third outer wall opposite to the first outer wall The outer wall is provided with a dovetail-shaped boss extending along the axis direction of the fixed cylinder, and the second outer wall and the fourth outer wall, which are located between the first outer wall and the third outer wall and are opposite to each other, are provided with a dovetail-shaped boss that slides and cooperates with the dovetail boss. For the dovetail chute, the extension lengths of the two dovetail bosses and the two dovetail chute along the axis of the fixed cylinder are the same as the height of the fixed cylinder.

Further, L-shaped grooves are respectively provided at the four top corners of the end face of the end where the fixed opening is located, and the first folded edge and the second folded edge of the L-shaped groove are perpendicular to each other and run through the two side edges at the corresponding top corners. .

Further, the adjacent four L-shaped grooves form a connected rectangular annular groove, and the annular groove is provided with C-shaped buckles for connecting and fixing the corresponding four fixing cylinders, and two C-shaped buckles are provided. The flange plates are inserted and fixed at two opposite sides of the annular groove.

Further, the height of the two flange plates of the C-shaped snap is greater than the depth of the L-shaped groove.

The beneficial effect of the heat dissipation device of the switch provided by the present invention is that compared with the prior art, the present invention fixes a bracket on one side of the mainboard of the switch, and the bracket is provided with an assembled fixing component, and the assembled fixing component can cover the slot on one side of the mainboard of the switch At the corresponding position, several cooling fans facing the motherboard slot are fixed on the assembled fixed component. The position of the cooling fan is determined according to the actual slot position, so as to achieve targeted heat dissipation for the motherboard slot, achieve uniform heat dissipation of the switch, and extend the The service life of the switch.

Description of drawings

FIG. 1 is a schematic structural diagram 1 of a heat dissipation device for a switch provided by an embodiment of the present invention;

FIG. 2 is a second schematic structural diagram of a heat dissipation device for a switch provided by an embodiment of the present invention;

Figure 3 is a schematic diagram of the split structure of the stent in Figures 1 and 2;

FIG. 4 is a schematic structural diagram of the spliced fixing assembly and the C-type buckle in FIG. 1 and FIG. 2;

Fig. 5 is the structural representation one of the fixed cylinder in Fig. 1 and Fig. 2;

FIG. 6 is a second structural schematic diagram of the fixing cylinder in FIGS. 1 and 2 .

In the figure: 1, bracket; 11, column; 111, second slot; 112, first bolt hole; 12, cross bar; 121, first slot; 122, connecting hole; 2, fixing cylinder; 20, first 2. Bolt holes; 21. Lead-in port; 22. Fixing port; 221. L-shaped groove; 2211. Three outer walls; 26, the fourth outer wall; 27, dovetail boss; 28, dovetail chute; 29, fixed platform; 3, C-type snap.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

It is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device. Or elements must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

Referring to FIG. 1 and FIG. 2 , the heat dissipation device for a switch provided by the present invention will now be described. The switch cooling device includes several cooling fans, a bracket 1 fixed on the switch cabinet, and an assembled fixing component fixed on the bracket 1 on the side facing the switch mainboard for fixing several cooling fans. Several cooling fans are connected to the switch mainboard. Slots are set relative to each other.

Compared with the prior art, the present invention fixes the bracket 1 on one side of the mainboard of the switch, and the bracket 1 is provided with an assembled fixing component, which can cover the position corresponding to the slot on one side of the mainboard of the switch, and the assembled fixing component is fixed on the Several cooling fans facing the position of the motherboard slot, the position of the cooling fan is determined according to the actual slot position, to achieve targeted heat dissipation for the motherboard slot, achieve uniform heat dissipation of the switch, and prolong the service life of the switch.

Further, please refer to FIG. 3 , as a specific embodiment of the switch cooling device provided by the present invention, the bracket 1 includes two vertical columns 11 fixed on the bottom plate of the switch cabinet In order to support the cross bar 12 of the assembled fixing assembly, the two uprights 11 are respectively fixed on both sides of the switch. The two uprights 11 and the horizontal bars 12 form a U-shaped card slot for supporting the assembled fixed component, so that the assembled fixed component faces the motherboard slot.

Further, please refer to FIG. 3 , as a specific embodiment of the heat dissipation device of the switch provided by the present invention, the top of the crossbar 12 and along the length direction of the crossbar 12 are provided with a first card slot for clamping and fixing the assembled fixing component 121. The length of the first card slot 121 is the same as the width of the assembled fixing component, and the length of the first card slot 121 is greater than the width of the switch motherboard. The first clamping slot 121 can prevent the assembled fixing assembly from moving along the length direction of the cross bar 12 .

Further, please refer to FIG. 3 , as a specific implementation of the heat dissipation device of the switch provided by the present invention, the opposite sides of the two uprights 11 are provided with second slots 111 for sliding connection with the horizontal bars 12 . The two ends of the rod 12 are respectively slidably connected with the corresponding two second clamping slots 111 , and the assembled fixing component is slidably matched with the two second clamping slots 111 . The two uprights 11 can have card slots corresponding to one-to-one, and the horizontal bars 12 can be inserted and fixed in the two slots to realize insertion and fixation; as shown in this embodiment, the two uprights 11 and the horizontal bars 12 can slide connect.

Further, please refer to FIG. 3 , as a specific embodiment of the heat dissipation device of the switch provided by the present invention, a plurality of first bolt holes 112 arranged at intervals along the length direction of the uprights 11 are provided on the two uprights 11 . The center line of the two corresponding first bolt holes 112 on the column 11 is perpendicular to the column 11 , and both ends of the crossbar 12 are provided with connecting holes 122 corresponding to the first bolt holes 112 . In order to realize that the horizontal bar 12 can adjust the position along the height direction of the upright column 11, the two upright columns 11 can be provided with card slots in one-to-one correspondence, and the horizontal bar 12 can be inserted and fixed in the two card slots horizontally; As shown, it is fixed by bolt connection and the position is adjusted to achieve heat dissipation according to the position of the slot in use.

Further, please refer to FIG. 4, as a specific embodiment of the heat dissipation device of the switch provided by the present invention, the assembled fixing assembly includes a plurality of fixing cylinders 2 that are inserted and fixed vertically and horizontally in a vertical plane, and the cooling fan is fixed on the fixing cylinder. 2 on. Each fixing cylinder 2 can fix a cooling fan, and several fixing cylinders 2 are connected and fixed in a mesh shape along the horizontal and vertical directions respectively in the vertical plane. The mesh-shaped fixing cylinders 2 can cover one side of the mainboard of the switch correspondingly. In this way, when using different slots, adjust the fan position so that it can face the slot in use to achieve point-to-point targeted heat dissipation; when the motherboard slots used by the switch are scattered, you can Increase the number of fixed cylinders 2, so that the mesh structure formed by several fixed cylinders 2 can correspond to cover all the motherboard slots in use, and a plurality of crossbars 12 can also be set, and each crossbar 12 supports a group of assembled Type fixed components to dissipate heat for slots in different positions.

Further, please refer to FIG. 5 and FIG. 6, as a specific embodiment of the heat dissipation device of the switch provided by the present invention, the cross-sectional shapes of the outer wall and the inner wall of the fixing cylinder 2 are square, and one end of the fixing cylinder 2 is used for introducing heat dissipation. The introduction port 21 of the fan, the other end of the fixing cylinder 2 is a fixing port 22 for fixing the cooling fan; the four inner corners of the fixing port 22 are provided with fixing platforms 29 for abutting and fixing the cooling fan. 29 are provided with second bolt holes 20 for fixing and connecting the cooling fan; the first outer wall 23 of the fixing cylinder 2 and the third outer wall 25 opposite to the first outer wall 23 are provided with dovetails extending along the axis direction of the fixing cylinder 2 Type boss 27, located between the first outer wall 23 and the third outer wall 25 and oppositely arranged on the second outer wall 24 and the fourth outer wall 26 are provided with a dovetail-shaped chute 28 slidingly matched with the dovetail-shaped boss 27, and the two The extension lengths of the dovetail-shaped bosses 27 and the two dovetail-shaped sliding grooves 28 along the axial direction of the fixing cylinder 2 are both the same as the height of the fixing cylinder 2 . The two adjacent fixed cylinders 2 are plugged and fixed through the dovetail boss 27 and the dovetail chute 28, and several fixed cylinders 2 are plugged and fixed vertically and horizontally to form a honeycomb mesh-shaped assembled fixed component with stable connection. Its own structure forms a stable connection assembly; the inner wall of the fixing cylinder 2 can be set to a quadrangular prism shape or a cylindrical shape according to actual needs, and is selected according to the shape of the cooling fan used; in this embodiment, the outer wall of the fixing cylinder 2 is also a quadrangular prism. It can also be a pentagonal prism or a hexagonal prism, etc., which can be selected according to actual needs; the dovetail-shaped boss 27 and the dovetail-shaped chute 28 can also be T-shaped; A detachable filter can be fixed on the outside of the fixing port 22 and the fixing port 22 to prevent external dust from accumulating on the cooling fan and reduce the cooling efficiency of the cooling fan; the assembled unit type fixing cylinder 2 and the filter can not only achieve point-to-point targeted heat dissipation, Manufacturing standardization can also be achieved, and the fixed cylinder 2 can be used as a standard part and can be independently repaired and replaced.

Further, please refer to FIG. 4 and FIG. 6 , as a specific implementation of the heat dissipation device of the switch provided by the present invention, L-shaped grooves 221 are respectively provided at the four top corners of the end face of the end where the fixing port 22 is located. The first folded edge 2211 and the second folded edge 2212 of the groove 221 are perpendicular to each other and pass through two sides at the corresponding top corners.

Further, please refer to FIG. 4 , as a specific embodiment of the heat dissipation device of the switch provided by the present invention, the adjacent four L-shaped grooves 221 form a continuous rectangular annular groove, and the annular groove is provided with a The C-shaped buckles 3 of the corresponding four fixing cylinders 2 are connected and fixed, and the two flange plates of the C-shaped buckles 3 are inserted and fixed at two opposite sides of the annular groove. The cooperation of the C-type snap 3, the dovetail boss 27 and the dovetail chute 28 can further strengthen the connection stability of the several fixing cylinders 2. The C-type snap 3 can be snapped and fixed in the annular recess in the horizontal or vertical direction. in the slot.

Further, please refer to FIG. 4 , as a specific embodiment of the heat dissipation device of the switch provided by the present invention, the height of the two flange plates of the C-shaped buckle 3 is greater than the depth of the L-shaped groove 221 . After the C-type buckle 3 is buckled in the annular groove, the top plate of the C-type buckle 3 and the end face of the fixing cylinder 2 still have a certain spacing for combing and clamping and fixing the power cables of several cooling fans. The C-type snap 3 can realize the routing of the cooling fan power cable in a regular direction.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims (8)

1. A heat dissipation device for a switch is characterized by comprising a plurality of heat dissipation fans, a support (1) fixed on a cabinet of the switch and an assembled fixing component which is fixed on the support (1) and faces one side of a main board of the switch and is used for fixing the plurality of heat dissipation fans, wherein the plurality of heat dissipation fans are arranged opposite to slots of the main board of the switch;

the assembled fixing component comprises a plurality of fixing cylinders (2) which are vertically and horizontally inserted and fixed in a vertical plane, and the heat radiation fan is fixed on the fixing cylinders (2);

one end of the fixed cylinder (2) is provided with a fixed opening (22) for fixing the heat radiation fan;

the four top corners of the end face of the end where the fixing opening (22) is located are respectively provided with an L-shaped groove (221), and a first folding edge (2211) and a second folding edge (2212) of the L-shaped groove (221) are perpendicular to each other and penetrate through two sides of the corresponding top corners.

2. The switch heat sink of claim 1, wherein: support (1) is including the vertical fixation two stands (11) on the bottom plate of switch rack with fix two be used for the bearing between stand (11) horizontal pole (12) of the fixed subassembly of pin-connected panel, two stand (11) are fixed respectively the both sides of switch.

3. The switch heat sink of claim 2, wherein: the top of horizontal pole (12) just follows horizontal pole (12) length direction is equipped with and is used for the joint fixed subassembly's of pin-connected panel first draw-in groove (121), the length of first draw-in groove (121) with the fixed subassembly's of pin-connected panel width is the same, the length of first draw-in groove (121) is greater than the width of switch mainboard.

4. The switch heat sink of any of claims 2 or 3, wherein: two on the relative side of stand (11) all be equipped with be used for with horizontal pole (12) sliding connection's second draw-in groove (111), the both ends of horizontal pole (12) respectively with two that correspond second draw-in groove (111) sliding connection, the fixed subassembly of pin-connected panel with two second draw-in groove (111) sliding fit.

5. The switch heat sink of claim 2, wherein: the two upright posts (11) are respectively provided with a plurality of first bolt holes (112) which are arranged at intervals along the length direction of the upright posts (11), the central connecting lines of the two first bolt holes (112) which correspond to the upright posts (11) one by one are perpendicular to the upright posts (11), and the two end parts of the cross rod (12) are respectively provided with connecting holes (122) corresponding to the first bolt holes (112).

6. The switch heat sink of claim 1, wherein: the cross sections of the outer wall and the inner wall of the fixed cylinder (2) are both square, and the other end of the fixed cylinder (2) is an introduction port (21) for introducing the heat radiation fan; fixing platforms (29) used for abutting and fixing the cooling fan are arranged at four inner corners of the fixing port (22), and a second bolt hole (20) used for fixedly connecting the cooling fan is formed in each fixing platform (29); first outer wall (23) of fixed cylinder (2) and with all be equipped with on the third outer wall (25) that first outer wall (23) is relative along dovetail boss (27) that fixed cylinder (2) axis direction extends are located first outer wall (23) with between third outer wall (25) and relative second outer wall (24) and the fourth outer wall (26) that set up all be equipped with dovetail boss (27) sliding fit's dovetail spout (28), two dovetail boss (27) and two dovetail spout (28) are followed fixed cylinder (2) axis direction's extension length all with the height of fixed cylinder (2) is the same.

7. The switch heat sink of claim 1, wherein: adjacent four L type recess (221) constitute the annular groove that is the rectangle that communicates, annular groove department is equipped with and is used for connecting fixed four that correspond C type buckle (3) of solid fixed cylinder (2), two flange boards of C type buckle (3) are pegged graft and are fixed annular groove's double-phase relative side department.

8. The switch heat sink of claim 7, wherein: the height of the two flange plates of the C-shaped buckle (3) is greater than the depth of the L-shaped groove (221).

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