CN113137406B

CN113137406B - Fan damping device

Info

Publication number: CN113137406B
Application number: CN202110290956.XA
Authority: CN
Inventors: 吴俊贤
Original assignee: Shandong Yingxin Computer Technology Co Ltd
Current assignee: Shandong Yingxin Computer Technology Co Ltd
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2023-02-28
Anticipated expiration: 2041-03-18
Also published as: CN113137406A

Abstract

The invention discloses a fan damping device, wherein supporting seats are fixed on a chassis, an elastic supporting piece is arranged between the two supporting seats, supporting blocks are arranged on the elastic supporting piece, two supporting blocks are respectively arranged at two ends of a fan module, and the fan module is supported by the two supporting blocks; the fan module is arranged on the chassis in an overhead manner through the elastic supporting piece, so that the vibration generated by the fan module is dissipated through the elastic supporting piece, and the vibration influence on the mainboard is greatly reduced; the adapter includes that the switching is public to be inserted, the female and inserting and the cable of switching, realizes the electricity through the adapter between fan module and the mainboard and is connected to signal connection position does not adopt directly fixed connected mode, and vibrations can not pass through the cable and transmit to the mainboard, and furthest has reduced the influence that the fan during operation produced the mainboard because of vibrations.

Description

Fan damping device

Technical Field

The invention relates to the technical field of servers, in particular to a fan damping device.

Background

The fan is the inside commonly used heat dissipation equipment of server, and present fan adopts fixed mode to connect inside quick-witted incasement portion mostly, nevertheless because the fan can shake the production at the moving in-process, and adopts the mode of hard joint between fan and the mainboard, and the vibrations of fan pass through the mainboard and transmit other structures of installing on the mainboard to influence the normal work of other parts, for example hard disk execution efficiency.

In order to reduce the vibration, it is common practice to mount a damping rubber on the fan module body or add a damping rubber on the chassis to suppress the transmission of the vibration. However, each hard disk has different vibration frequencies, and the damping modes cannot be adjusted to correspond to each other. The connector electrically connecting the fan and the motherboard remains hard connected without any shock absorbing solution.

For those skilled in the art, how to reduce the vibration effect of the fan connector is a technical problem to be solved at present.

Disclosure of Invention

The invention provides a fan damping device which can greatly reduce the interference of fan vibration on a mainboard and parts on the mainboard, and the specific scheme is as follows:

a fan cushioning device, comprising:

the supporting seat is fixed on the case;

the elastic supporting piece is connected between the two supporting seats;

the supporting blocks are arranged on the elastic supporting piece, and the two supporting blocks positioned at the two ends are connected with the fan module;

the adapter comprises a male adapter, a female adapter and a cable, and the fan module is electrically connected with the mainboard through the adapter.

Optionally, the elastic supporting element is a spring, and two ends of the supporting block are respectively connected to the supporting seat through the spring.

Optionally, the support seat includes a fixed block and a movable block, the fixed block is fixed on the chassis, and the movable block can adjust a position relative to the fixed block;

the elastic supporting piece is connected with the movable block.

Optionally, a sliding groove is formed in the fixed block, and the movable block can slide relative to the fixed block and is fixed and positioned through a bolt.

Optionally, a connecting support is arranged at the end of the fan module in a protruding manner, and the support block is fixedly connected with the connecting support through a bolt.

Optionally, at least two layers of elastic connecting positions are arranged on the movable block and the supporting block.

Optionally, at least two elastic connection holes are arranged in each layer of elastic connection positions.

Optionally, the movable block comprises a movable base block and a movable extension block; the supporting block comprises a supporting base block and a supporting extension block;

the movable base block and the supporting base block are connected with the springs of one layer in a matched mode, and the movable extending block and the supporting extending block are connected with the springs of the other layer in a matched mode.

Optionally, the shock insulation connector further comprises a shock insulation fastener, the shock insulation fastener comprises a bottom plate arranged in a semi-surrounding mode, an elastic clamping hook and a positioning plate are vertically arranged on the bottom plate, and the positioning plate can abut against a connecting convex edge on the periphery of the adapting female plug;

the elastic clamping hook is respectively clamped with the connecting convex edge and the connecting buckle arranged on the fan module.

The invention provides a fan damping device, wherein a supporting seat is fixed on a chassis, an elastic supporting piece is arranged between two supporting seats, supporting blocks are arranged on the elastic supporting piece, two supporting blocks are respectively arranged at two ends of a fan module, and the fan module is supported by the two supporting blocks; the fan module is arranged on the chassis in an overhead manner through the elastic supporting piece, so that the vibration generated by the fan module is dissipated through the elastic supporting piece, and the vibration influence on the mainboard is greatly reduced; the adapter includes that the switching is public to be inserted, the female and inserting and the cable of switching, realizes the electricity through the adapter between fan module and the mainboard and is connected to signal connection position does not adopt directly fixed connected mode, and vibrations can not pass through the cable and transmit to the mainboard, and furthest has reduced the influence that the fan during operation produced the mainboard because of vibrations.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1A and 1B are schematic views of two different structures of a fan damping device according to the present invention;

FIG. 2A is a diagram illustrating a relationship between the fan damping device and the housing;

FIG. 2B is a schematic view of a fan module and a set of fan damping devices;

FIG. 2C is a schematic view of the fan module and a set of fan damping devices connected to each other;

FIG. 3 is a schematic view of the relative position relationship between the adapter and the fan module;

FIG. 4 is a schematic front view of the fan damping device and the fan module according to the present invention;

fig. 5A to 5C are schematic structural views of the movable block at three different positions, respectively;

FIGS. 6A and 6B are schematic views of a layer of elastic connection sites with two springs and three springs, respectively;

fig. 7A is an exploded view of the movable block;

FIG. 7B is an exploded view of the support block;

FIG. 8A is an exploded view of the shock isolation fastener and the adapter in cooperation with each other;

FIG. 8B is a view showing the structure of the shock-isolating fastener and the adapting female plug assembled with each other;

FIG. 8C is a schematic view of the fan module with the male plug and the female plug assembled with each other;

fig. 8D is a partially enlarged view of fig. 8C.

The drawing comprises the following steps:

the shock-proof device comprises a supporting seat 1, a fixed block 11, a movable block 12, a movable base block 121, a movable extension block 122, an elastic supporting piece 2, a supporting block 3, a supporting base block 31, a supporting extension block 32, an adapter 4, an adapter male plug 41, an adapter female plug 42, a connecting convex edge 421, a cable 43, a shock-proof fastener 44, a bottom plate 441, an elastic clamping hook 442 and a positioning plate 443.

Detailed Description

The core of the invention is to provide a fan damping device which can greatly reduce the interference of fan vibration on a mainboard and parts on the mainboard.

In order to make those skilled in the art better understand the technical solution of the present invention, the fan damping device of the present invention will be described in detail with reference to the accompanying drawings and the specific embodiments.

The invention provides a fan damping device, which comprises a supporting seat 1, an elastic supporting piece 2, a supporting block 3, an adapter 4 and other structures, wherein the structures are respectively schematic diagrams of two different structures of the fan damping device provided by the invention as shown in fig. 1A and fig. 1B; the supporting seat 1 is fixed on the chassis, as shown in fig. 2A, which is a matching relationship diagram of the fan damping device of the present invention and the chassis, wherein a represents the chassis; elastic support element 2 is connected between two supporting seats 1, and two supporting seats 1 are a set of, and a set of elastic support element 2 is connected in the mutual cooperation, provides the support to elastic support element 2.

The supporting block 3 is arranged on the elastic supporting piece 2, and the elastic supporting piece 2 provides supporting force for the supporting block 3; the supporting block 3 is usually disposed at the middle position of the elastic supporting member 2 to keep the supporting block 3 at the same distance from the two supporting seats 1 in a group and the stress is uniform.

One fan module needs to be supported by two supporting blocks 3, namely the two supporting blocks 3 are respectively arranged at two ends of the fan module, and the two supporting blocks 3 at the two ends of the fan are respectively connected to the two ends of the fan module; FIG. 2B is a schematic view of a fan module and a set of fan damping devices, wherein B is the fan module; FIG. 2C is a schematic view of the fan module and a set of fan damping devices connected to each other.

The adaptor 4 includes a male adaptor 41, a female adaptor 42 and a cable 43, as shown in fig. 3, which is a schematic diagram of a relative position relationship between the adaptor 4 and the fan module; the electric connection between the fan module and the mainboard is realized through the adapter 4, the cable 43 is a flexible and deformable wire harness, the switching male plug 41 is used for the female plug on the signal plug-in mainboard, the switching female plug 42 is used for the male plug on the signal plug-in fan module, namely, as shown in C in figure 3, through the indirect connection of the adapter 4, the male plug of the fan module and the female plug on the mainboard are not in direct hard connection, and the vibration generated during the work of the fan cannot be transmitted to the mainboard through the cable 43.

As shown in fig. 4, it is a schematic front view of the fan damping device and the fan module of the present invention; the fan module is not directly fixed on a case, but is indirectly connected to the case through the supporting seat 1, the elastic supporting piece 2 and the supporting block 3, when the fan works to generate vibration, the fan drives the supporting block 3 to vibrate synchronously, the supporting block 3 further drives the elastic supporting piece 2 to generate asynchronous vibration, most of vibration is dissipated on the elastic supporting piece 2, and only a small amount of vibration can be transmitted to the supporting seat 1, so that the influence of the vibration of a fan main body on a mainboard can be isolated to the greatest extent; meanwhile, the fan is not connected with the main board through a hard-connected structural signal, but indirectly transmits the signal through the adapter 4, the adapter 4 is provided with a flexible cable, and the vibration transmitted by the connector part is dissipated through the cable, so that the influence of the vibration on the main board during the working of the fan is reduced to the greatest extent.

On the basis of the scheme, the elastic supporting piece 2 is a spring, two ends of the supporting block 3 are respectively connected to the supporting seat 1 through the spring, two ends of the supporting block 3 are respectively provided with a group of springs, and the supporting block 3 is supported through the elasticity of the spiral spring, so that the supporting block 3 is not directly and firmly connected with the supporting seat 1.

In addition to springs, metal leaf springs, flexible rubber pads, etc. may be used to provide support to the support block 3, and such embodiments are intended to be within the scope of the present invention.

With reference to fig. 1A and 1B, the support base 1 provided by the present invention includes a fixed block 11 and a movable block 12, the fixed block 11 is fixed on a chassis, and the movable block 12 can adjust a position relative to the fixed block 11; the elastic support member 2 is connected to the movable block 12, and the distance from the support block 3 can be adjusted when the movable block 12 moves, thereby changing the length of the spring to which the support block 3 and the elastic support member 2 are connected.

As shown in fig. 5A to 5C, the movable blocks 12 are respectively shown in three different positions, so that the elastic support 2 in the form of a spring is selected to have different lengths, wherein the two movable blocks 12 in fig. 5A are the closest, the two movable blocks 12 in fig. 5B are the farther, and the two movable blocks 12 in fig. 5C are the farthest.

Fig. 5A to 5C show a single spring as an example, and the length of the spring is changed according to the position of the movable block 12, so as to change the tension of the spring and the frequency of vibration transmission, so as to avoid the sensitive frequency range of the hard disk, thereby effectively maintaining the reading efficiency of the hard disk.

Specifically, the sliding grooves are formed in the fixed block 11, the movable block 12 can slide relative to the fixed block 11 and is fixed and positioned through the bolts, and the position of the movable block 12 is changed in a sliding adjusting mode, so that the position can be adjusted more flexibly. A plurality of positioning holes can be formed in the preset position for the bolts to be screwed in to achieve a more stable positioning effect.

A connecting support is arranged at the end part of the fan module in a protruding mode, and the supporting block 3 is fixedly connected with the connecting support through a bolt; as shown in fig. 2C, a connection support is protruded from the outer surface of the end of the fan module, the connection support can be placed on the upper surface of the support block 3, the support block 3 provides upward supporting force for the connection support, and the support block 3 and the connection support can be fixed and positioned by bolts.

On the basis of any one of the above technical schemes and the combination thereof, at least two layers of elastic connecting positions are arranged on the movable block 12 and the supporting block 3, only one layer of spring can be arranged, or two or more layers of springs can be arranged at the same time, and the vibration frequency transmitted between the supporting block 3 and the supporting seat 1 can be changed by changing the number of the springs, so that the sensitive frequency range of the hard disk is avoided.

Each layer of elastic connection position is provided with at least two elastic connection holes, and as shown in fig. 6A and 6B, the schematic diagrams are respectively a layer of elastic connection position provided with two springs and three springs, wherein the one layer of elastic connection position is taken as an example for demonstration, and the one layer of elastic connection position is provided with three elastic connection holes; fig. 6A mounts two springs on one layer of elastic connection site, and fig. 6B mounts three springs on one layer of elastic connection site. Referring to fig. 1B, two layers of elastic connection positions are provided, and each layer of elastic connection position is provided with three springs.

As shown in fig. 7A, which is an exploded view of the movable block 12; the movable block 12 includes a movable base block 121 and a movable extension block 122; the movable base block 121 and the movable extension block 122 are respectively provided with a layer of elastic connection position.

Fig. 7B is an exploded view of the support block 3; the supporting block 3 includes a supporting base block 31 and a supporting extension block 32; the supporting base block 31 and the supporting extension block 32 are respectively provided with a layer of elastic connecting position.

The movable base block 121 and the supporting base block 31 are matched and connected with the spring of one layer, and the movable extension block 122 and the supporting extension block 32 are matched and connected with the spring of the other layer; as shown in fig. 1B, the movable base block 121 and the supporting base block 31 are located at the same height, and are matched with each other to connect the springs at the lower layer; the movable extension block 122 and the support extension block 32 are located at the same height and cooperate with each other to connect the upper spring.

The movable base block 121 and the movable extension block 122 can be detached separately, the support base block 31 and the support extension block 32 can be detached separately, the movable base block 121 and the support base block 31 are basic structures, if only one layer of springs is provided, only the movable base block 121 and the support base block 31 can be arranged, if more than two layers of springs are provided, the movable extension block 122 and the support extension block 32 need to be additionally arranged, and the specific arrangement form is determined by the number of the springs.

On the basis of any technical scheme and mutual combination thereof, the invention also comprises a shock-insulation fastener 44, as shown in fig. 8A, which is an explosion structure diagram of the mutual matching of the shock-insulation fastener 44 and the adapter 4; the shock insulation fastener 44 comprises a bottom plate 441 arranged in a semi-surrounding mode, wherein the bottom plate 441 is of a U-shaped three-side structure so as to avoid the cable 43; the bottom plate 441 is vertically provided with an elastic hook 442 and a positioning plate 443, the height of the positioning plate 443 is lower than that of the elastic hook 442, and the elastic hook 442 and the positioning plate 443 are arranged on the surface of the same side of the bottom plate 441; the positioning plate 443 can abut against the connecting convex edge 421 at the periphery of the adapting female plug 42, the connecting convex edge 421 is an annular positioning structure protruding from the outer surface of the adapting female plug 42, as shown in fig. 8B, which is a structural diagram of the mutual assembly of the shock-isolating fastener 44 and the adapting female plug 42, the positioning plate 443 abuts against the lower surface of the connecting convex edge 421, the tail end of the elastic hook 442 has a hook structure, the elastic hook 442 has a plurality of elastic hooks 442, and the elastic hooks 442 can be hooked on the upper surface of the connecting convex edge 421 to be connected with the adapting female plug 42 into a whole.

The elastic hook 442 is respectively connected to the connection flange 421 and a connection buckle disposed on the male plug of the fan module, as shown in fig. 8C, which is a structural diagram of the mutual assembly of the male plug of the fan module and the adapting female plug 42, wherein D represents a connection buckle disposed beside the male plug, and the connection buckle is a plate-shaped structure with an opening; when the male plug on the fan module is inserted into the female plug 42, two opposite elastic hooks 442 hook the connecting buckle, and fig. 8D is a partially enlarged view of fig. 8C showing the relationship between the elastic hooks 442 and the connecting buckle. Through setting up shock insulation fastener 44 guarantee more stable relation of connection between the male plug on the fan module and the female plug 42 of switching.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A fan damping device, comprising:

the supporting seat (1) is fixed on the case;

the elastic supporting piece (2) is connected between the two supporting seats (1);

the supporting blocks (3) are arranged on the elastic supporting piece (2), and the two supporting blocks (3) positioned at the two ends are connected with the fan module;

the adapter (4) comprises a male adapter (41), a female adapter (42) and a cable (43), and the fan module is electrically connected with the mainboard through the adapter (4);

the elastic supporting piece (2) is a spring extending transversely, two ends of the supporting block (3) are connected to the supporting seat (1) through springs respectively, and the supporting block (3) is supported through the elastic force of the springs;

the supporting seat (1) comprises a fixed block (11) and a movable block (12), the fixed block (11) is fixed on the case, and the position of the movable block (12) can be adjusted relative to the fixed block (11);

the elastic supporting piece (2) is connected to the movable block (12);

the fixed block (11) is provided with a sliding groove, and the movable block (12) can slide relative to the fixed block (11) and is fixedly positioned through a bolt.

2. The fan damping device according to claim 1, wherein a connecting support is protruded from an end of the fan module, and the support block (3) is fixedly connected with the connecting support through a bolt.

3. The fan damping device according to claim 1 or 2, characterized in that at least two layers of elastic connecting positions are arranged on the movable block (12) and the supporting block (3).

4. The shock absorbing device for fan as claimed in claim 3, wherein at least two elastic connection holes are provided at each layer of the elastic connection site.

5. The fan damping device according to claim 3, characterized in that the movable block (12) comprises a movable base block (121) and a movable extension block (122); the supporting block (3) comprises a supporting base block (31) and a supporting extension block (32);

the movable base block (121) and the supporting base block (31) are matched and connected with springs of one layer, and the movable extension block (122) and the supporting extension block (32) are matched and connected with springs of the other layer.

6. The fan shock absorption device according to claim 1 or 2, further comprising a vibration isolation fastener (44), wherein the vibration isolation fastener (44) comprises a bottom plate (441) arranged in a semi-surrounding manner, an elastic clamping hook (442) and a positioning plate (443) are vertically arranged on the bottom plate (441), and the positioning plate (443) can abut against a connecting convex edge (421) on the periphery of the adapting female plug (42);

the elastic clamping hook (442) is respectively clamped with the connecting convex edge (421) and a connecting buckle arranged on the fan module.