TWM645865U - Fan circuit board assembly - Google Patents

Abstract

A fan circuit board assembly for being installed on a frame with protruding columns and an engaging hole is provided. The fan circuit board assembly includes a backboard, a circuit board and a clamping element. The backboard is suitable for being installed on the frame, and has eaves, two long sides, two short sides, and a front. The eaves are distributed on the two long sides, and adapted to fit the protruding columns. The circuit board is connected to the front side and has connectors for connecting a plurality of fans. The clamping element is disposed on one of the short sides. When the backboard is engaged with the protruding columns through the eaves and receives an external force to move along a first direction, the clamping element is engaged with the engaging hole, so that the fan circuit board assembly is installed on the frame.

Description

Fan circuit board assembly

This case relates to a circuit board assembly, and in particular to a fan circuit board assembly.

Servers generally use fans to dissipate heat to keep the server at a good operating temperature. How to reduce the space occupied by the fan and facilitate assembly and maintenance is a major issue that people in the field pay attention to.

The fan circuit board assembly of this case is suitable for being installed on a frame. The frame has a plurality of protruding columns and a locking hole. The fan circuit board assembly includes a backplane, a circuit board and a card connector. The backboard is suitable for being installed on the frame, and the backboard has a plurality of eaves, an opposite first long side and a second long side, an opposite first short side and a second short side, and an opposite front and One back.

The eaves portions are distributed on the first long side and the second long side, and the eaves portions are adapted to the protruding columns. A circuit board is connected to the front and has a plurality of connectors. These connectors are suitable for connecting multiple fans. The clamping component is arranged on the first short side. When the backboard is engaged with the protrusions through the eaves and receives an external force to move in a first direction, the engaging member engages with the engaging hole, so that the fan circuit board assembly is installed on the frame.

Based on the above, in the fan circuit board assembly of this case, when the back plate is engaged with the protrusions through the eaves and receives an external force to move in a first direction, the engaging member engages with the engaging hole, and The fan circuit board assembly is installed on the frame, which occupies a small volume and is easy to disassemble and assemble without tools, making it very convenient to use.

Please refer to Figures 1, 2 and 3. The fan circuit board assembly 100 provided in this case is suitable for being installed on a frame 51 of a server 50, where the frame 51 has a plurality of protrusions 52 and a locking hole 53. The fan circuit board assembly 100 includes a backplane 110, a circuit board 120 and a card connector 140. The back plate 110 is suitable for being installed on the frame 51, and the back plate 110 has a plurality of eaves portions 113, an opposite first long side 111a and a second long side 111b, an opposite first short side 111c and a second short side. The side 111d and the opposite front surface 112a and a back surface 112b.

In one embodiment, the eaves portions 113 are distributed on the first long side 111a and the second long side 111b, and the eaves portions 113 are adapted to the protruding columns 52. The circuit board 120 is connected to the front surface 112a, and the circuit board 120 has a plurality of connectors, including connectors 123, 124 and 125. Their number, specifications and configuration positions are not limited, and the connectors 123, 124 and 125 are not limited. Connector 124 and connector 125 are suitable for connecting multiple fans. The clamping component 140 is provided on the first short side 111c.

Please refer to FIGS. 1 , 2 , 4 and 5 . When the back plate 110 is engaged with the protrusions 52 through the eaves 113 and receives an external force to move along a first direction D1 , the clamping member 140 It is engaged with the engaging hole 53 so that the fan circuit board assembly 100 is installed on the frame 51. It occupies a small volume and is easy to disassemble and assemble without tools, making it very convenient to use.

In one embodiment, please refer to FIGS. 1 , 4 , 5 and 6 . Each of the eaves 113 has at least one guide slope 114 , and the guide slope 114 corresponds to the position of the protrusions 52 . The fan circuit board assembly 100 can be installed toward the server 50 along a second direction D2 (the same as the positive Y-axis direction). At this time, the user does not need to exert too much force to make the fan circuit board assembly 100 completely fit to the Y-axis. The frame 51 can limit the position of the fan circuit board assembly 100 in the Z-axis direction.

During the assembly process shown in FIGS. 4 and 5 , the fan circuit board assembly 100 moves along the first direction D1 (same as the positive X-axis direction), and the guide slope 114 will cause the protrusions 52 to push the eaves 113 , thereby causing the The fan circuit board assembly 100 is installed and positioned along the second direction D2. The fan circuit board assembly 100 is limited in the Y-axis direction through these protrusions 52. Its installation does not require excessive effort and is convenient.

In one embodiment, the first long side 111a and the second long side 111b respectively have a plurality of first recessed portions 115 located between two adjacent eaves portions 113, and the circuit board 120 has a plurality of second recessed portions. 121, corresponding to the first recessed portions 115, the first recessed portions 115 and the second recessed portions 121 are used to avoid the frame 51 when the fan circuit board assembly 100 is installed along the second direction D2 toward the server 50. corresponding protrusions 52 on the top.

In one embodiment, the first long side 111a has an escape notch 117 and a bent portion 116 . The avoidance notch 117 is located between the bent portion 116 and two of the eaves portions 113 . The avoidance notch 117 is used to avoid a positioning mechanism 54 on the frame 51 .

In one embodiment, please refer to Figures 1, 2, 4 and 5. The back plate 110 has a plurality of first positioning holes 119, and the circuit board 120 has a plurality of second positioning holes 122. These first positioning holes 119 Corresponds to the plurality of positioning posts 55 of the frame 51 , and the second positioning holes 122 correspond to the first positioning holes 119 and the positioning posts 55 .

When the fan circuit board assembly 100 is installed toward the server 50 along the second direction D2, the positioning posts 55 pass through the first positioning holes 119 and the second positioning holes 122 to allow the fan circuit board assembly 100 to perform preliminary positioning. , when the fan circuit board assembly 100 is moved along the first direction D1 and installed on the server 50 , the positioning posts 55 can only be positioned at the dead centers of both ends of the first positioning holes 119 and the second positioning holes 122 By moving back and forth, the fan circuit board assembly 100 can be further assembled and positioned so that the fan circuit board assembly 100 does not exceed the preset installation range.

In one embodiment, please refer to FIGS. 1 , 2 , 7 and 9 . The latch 140 has a bayonet 142 and an operating part 141 . The bayonet 142 is adapted to engage with the engagement hole 53 , and the operating portion 141 is adapted to enable the bayonet 142 to withdraw from the engagement hole 53 .

Please further refer to FIGS. 8 and 10 . The latch 140 is, for example, but not limited to, a plunger with a built-in spring. When the fan circuit board assembly 100 is installed along the second direction D2 toward the server 50 , the latch 142 is The frame 51 abuts and retracts into the latch 140 , and when the fan circuit board assembly 100 moves along the first direction D1 until it reaches the position, the bayonet 142 is aligned with the latch hole 53 and then snaps into place. In the hole 53, through the mutual cooperation between the bayonet 142 and the engaging hole 53, the fan circuit board assembly 100 can be limited in the X-axis direction, thereby enabling tool-less installation. Finally, when there is a need to disassemble the fan circuit board assembly 100, the user can apply force on the operating portion 141 to make the bayonet 142 withdraw from the engaging hole 53. The user can then use the reverse steps to remove it without tools. Fan circuit board assembly 100.

Accordingly, the fan circuit board assembly 100 of the present invention does not require tools for installation or removal, and its installation and maintenance are very convenient.

Please refer to Figures 1 and 2. The first short side 111c has a first stopper 118a, the second short side 111d has a second stopper 118b, and the first stopper 118a is used to stop the circuit board 120. When the circuit board 120 is installed against the first stopper 118a, the circuit board 120 can be further locked and fixed to the back plate 110 through the fastener 130. The second stopper 118b is used to stop and limit the clamping member 140.

Please refer to Figure 2, Figure 7 and Figure 8. In this case, the connectors are divided into connector 123, connector 124 and connector 125 only for convenience of explanation and are not intended to limit this case. These connectors can be any form of connector. , depending on the needs. The server 50 also has an opening 56 for the connector 125 to pass through, so as to further increase the space utilization of the server 50 , reduce space waste, and enable the fan circuit board assembly 100 to fit tightly to the frame 51 . In addition, these fans are suitable for being disposed on the back side 112b and adjacent to the connectors 123, 124 and 125.

To sum up, in the fan circuit board assembly of this case, when the backboard is engaged with the protrusions through the eaves and receives an external force to move in a first direction, the engaging member engages with the engaging hole. , and the fan circuit board assembly is installed on the frame, which occupies a small volume and is easy to disassemble and assemble without tools, making it very convenient to use.

50:Server 51:Frame 52:Protruding pillar 53:Latching hole 54: Positioning mechanism 55: Positioning column 56:Open your mouth 100:Fan circuit board assembly 110:Back panel 111a: first long side 111b: Second long side 111c: first short side 111d: Second short side 112a: Front 112b: Back 113:Eaves 114:Guide slope 115: First depression 116: Bending part 117: Avoidance gap 118a: first stopper 118b: Second stopper 119:First positioning hole 120:Circuit board 121: Second depression 122:Second positioning hole 123, 124, 125: Connector 130:Lock firmware 140:Clamp connector 141:Operation Department 142: card pin D1: first direction D2: second direction X-Y-Z: Cartesian coordinates

Figures 1 and 2 are schematic diagrams of a fan circuit board assembly from different angles of view according to an embodiment of the present invention. FIG. 3 is a schematic diagram of a server in which the fan circuit board assembly of FIG. 1 is applied. 4 to 5 are schematic diagrams illustrating the process of installing the fan circuit board assembly of FIG. 1 to the server. FIG. 6 is a schematic diagram of the installation principle of the fan circuit board assembly of FIG. 5 being installed on the server. FIG. 7 is a schematic diagram of the fan circuit board assembly and the server of FIG. 4 from another perspective. FIG. 8 is a partial cross-sectional view of the fan circuit board assembly and the server of FIG. 4 . FIG. 9 is a schematic diagram of the fan circuit board assembly and the server of FIG. 5 from another perspective. FIG. 10 is a partial cross-sectional view of the fan circuit board assembly and the server of FIG. 5 .

50:Server

51:Frame

52:Protruding pillar

54: Positioning mechanism

55: Positioning column

100:Fan circuit board assembly

110:Back panel

113:Eaves

116: Bending part

117: Avoidance gap

120:Circuit board

121: Second depression

122:Second positioning hole

123, 124: Connector

140:Clamp connector

141:Operation Department

D1: first direction

X-Y-Z: Cartesian coordinates

Claims (12)

A fan circuit board assembly is suitable for being installed on a frame. The frame has a plurality of bosses and a locking hole. The fan circuit board assembly includes: A backboard is suitable for being installed on the frame and has a plurality of eaves, a first long side and a second long side, a first short side and a second short side, and a front face. and a back surface, the eaves portions are distributed on the first long side and the second long side, and are adapted to the protruding columns; a circuit board connected to the front surface and having a plurality of connectors suitable for connecting a plurality of fans; and A clamping component is provided on the first short side; Wherein, when the back panel is engaged with the protruding pillars through the eaves and receives an external force to move along a first direction, the engaging member is engaged with the engaging hole, so that the fan circuit Plate assemblies are mounted to the frame. The fan circuit board assembly of claim 1, wherein each of the eaves has at least one guide slope corresponding to the protrusions. The fan circuit board assembly according to claim 1, wherein the first long side and the second long side each have a plurality of first recessed portions located between two adjacent ones of the eaves portions for avoidance. The corresponding boss on the frame. The fan circuit board assembly of claim 3, wherein the circuit board has a plurality of second recessed portions corresponding to the first recessed portions. The fan circuit board assembly according to claim 1, wherein the first long side has an avoidance notch for avoiding a positioning mechanism on the frame. The fan circuit board assembly of claim 5, wherein the first long side has a bending portion, and the relief notch is located between the bending portion and the two eaves portions. The fan circuit board assembly of claim 1, wherein the back plate has a plurality of first positioning holes, and the first positioning holes correspond to a plurality of positioning posts of the frame. The fan circuit board assembly of claim 7, wherein the circuit board has a plurality of second positioning holes, and the second positioning holes correspond to the first positioning holes and the positioning posts. The fan circuit board assembly of claim 1, wherein the latch has a latch that is suitable for latch in the latch hole. The fan circuit board assembly according to claim 9, wherein the latch has an operating part adapted to enable the latch to withdraw from the latch hole. The fan circuit board assembly of claim 1, wherein the first short side has a first stopper, and the second short side has a second stopper. The fan circuit board assembly of claim 1, wherein the fans are adapted to be disposed on the back and adjacent to the connectors.