US20210378136A1 - Server fan with airflow shielding structure - Google Patents
Server fan with airflow shielding structure Download PDFInfo
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- US20210378136A1 US20210378136A1 US16/883,836 US202016883836A US2021378136A1 US 20210378136 A1 US20210378136 A1 US 20210378136A1 US 202016883836 A US202016883836 A US 202016883836A US 2021378136 A1 US2021378136 A1 US 2021378136A1
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- fan
- server
- shutter plates
- shielding structure
- plates
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20172—Fan mounting or fan specifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20718—Forced ventilation of a gaseous coolant
- H05K7/20727—Forced ventilation of a gaseous coolant within server blades for removing heat from heat source
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20181—Filters; Louvers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20718—Forced ventilation of a gaseous coolant
- H05K7/20736—Forced ventilation of a gaseous coolant within cabinets for removing heat from server blades
Definitions
- the present invention generally relates to a server system, and more particular, to a server fan with airflow shielding structure.
- chassis of server systems are assembled with electronic devices such as motherboards, data processing units and power supplies.
- electronic devices such as motherboards, data processing units and power supplies.
- multiple fan modules are usually provided inside the chassis to dissipate heat from data processing units quickly and effectively. At that time, the pressure inside the chassis forms a positive pressure under the airflow generated by the fan modules.
- the failure fan module is removed from the chassis by users, and then another good fan module is placed into the chassis for replacement.
- the good fan module might be reversed due to the airflow of positive pressure inside the chassis under the condition while not start running. Then, after the good fan module is electrically connected, its motor needs to overcome the reverse impedance before running. Thus, the motor might have a breakdown under high load frequently, so it needs to be improved.
- the Inventor proposes the present invention based on his expert knowledge and elaborate research in order to solve the problems of prior art.
- an object of the present invention is to provide a server fan with airflow shielding structure to prevent the server fan from being affected by the airflow in the server chassis, so as to maintain a normal operation of the server fan.
- the present invention provides a server fan with airflow shielding structure for combining in a server chassis comprising a fan module, a position assembly, and an airflow shielding structure.
- the fan module includes a fan body and a plurality of metal plates.
- the fan body has a fan seat, and the fan seat is provided with a plurality of coupling holes.
- the metal plates enclose the fan body and expose an outlet side.
- the position assembly includes a position frame and a plurality of position members.
- the position frame has an air outlet and is fixed on the outlet side through the position members inserting the coupling holes.
- the airflow shielding structure includes a plurality of shutter plates and a connection rod connected to the shielding plates. One side of the shutter plates are pivoted at the position frame, and the shuttle plates are capable of turning simultaneously for opening and closing the air outlet through the connection rod.
- the server fan of the present invention has shielding structure, wherein the shutter plates are capable of shutting at the air outlet. Moreover, when the server fan needs to be replaced, the shutter plates are shut to prevent the server fan from reversing by the airflow inside the server chassis before running. Furthermore, when the server fan starts to generate a force airflow, the shutter plates are turned by the force airflow to open simultaneously through the connection rod. Thereby, the server fan can be prevented from being affected by the airflow in the chassis of server for maintaining a normal operation of the server fan. Therefore, the practicality of the present invention is enhanced.
- FIG. 1 and FIG. 2 are perspective schematic views from two sides of multiple server fans combined in the server chassis of the present invention.
- FIG. 3 is a perspective schematic view of a single server fan separated from the server chassis of the present invention.
- FIG. 4 and FIG. 5 are perspective schematic views from two sides of the server fan of the present invention.
- FIG. 6 is an explosion view of the fan module of the present invention.
- FIG. 7 is an explosion view of the fan module and position assembly of the present invention.
- FIG. 8 is an explosion view of the position assembly and air shielding structure of the present invention.
- FIG. 9 is an operation schematic view of the server fan.
- FIG. 1 to FIG. 3 depict perspective schematic views from two sides of multiple server fans combined in the server chassis of the present invention and a perspective schematic view of a single server fan separated from the server chassis of the present invention.
- the present invention is a server fan 1 with airflow shielding structure for combining in a server chassis 2 .
- a plurality of server fans 2 are provided inside the server chassis 2 , and the server fans 2 are combined in a side of the server chassis 2 .
- the server chassis 2 is provided with a connector 3 corresponding the location of each server fan 1 , and the connector 3 is electrically connected a power supply (not shown).
- the server fan 1 inserts in server chassis 2 , the server fan 1 is connected with the corresponding connector 3 to provide the required power of each server fan 1 during operation.
- the server fan 1 is described in more detail as follows.
- the server fan 1 of the present invention includes a fan module 10 , a position assembly 20 , and an airflow shielding structure 30 .
- the position assembly 20 is combined with the fan module 10 at a side facing the interior of the server chassis 2 .
- the airflow shielding structure 30 is coupled to the position assembly 20 so as to open or close the outlet side of the fan module 10 .
- the fan module 10 includes a fan body 11 and a plurality of metal plates 12 .
- the fan body 11 includes two fans 111 connected in series and two fan cables 112 , and the two fan cables 112 are connected to the two fans 111 separately.
- the metal plates 12 enclose the fan body 11 and expose an outlet side 100 . The disposition of the metal plates 12 are provided for preventing the electromagnetic interference (EMI) of the fans 111 .
- EMI electromagnetic interference
- the server fan 1 further includes a circuit module 40 .
- the circuit module 40 is disposed on one of the metal plates 12 and connected with the two fan cables 112 .
- the metal plates 12 include a rear plate 121 located at an opposite side of the outlet side 100 , and the rear plate 121 is provided with a plurality of air holes 120 configured in a honeycomb shape separately.
- the circuit module 40 has a connection port 41 , and the connection port 41 is inserted with the connector 3 (refer to FIG. 3 ) when the server fan 1 inserts the server chassis 2 .
- the server fan 1 further includes a pair of clamp pieces 50 , and the pair of clamp pieces 50 are coupled to two outer sides of the rear plate 121 correspondingly for users to hold and extract the server fan 1 .
- FIG. 7 and FIG. 8 depict an explosion view of the fan module and position assembly of the present invention and an explosion view of the position assembly and the air shielding structure of the present invention.
- the fan body 11 has a fan seat 113 , and the fan seat 113 is provided with a plurality of coupling holes 110 .
- the fan cables 112 of the fan body 11 pass out from one side of the fan seat 113 together.
- the position assembly 20 includes a position frame 21 and a plurality of position members 22 .
- the position frame 21 has an air outlet 210 corresponding to the outlet side 100 of the fan body 11 and is fixed on a side of the fan body 11 through the position members 22 inserting the coupling holes 110 of the fan seat 113 .
- each of the position members 22 is a flexible post, and the position members 22 are disposed at the corners of the position frame 21 .
- one side of the position frame 21 is formed with at least one hook arm 211 ; besides, the two fan cables 112 of the fan body 11 are routed between the hook arm 211 and one of the metal plates 12 (refer to FIG. 5 ).
- the position frame 21 has a plurality of hook arms 211 which are arranged at intervals and extend vertically at one side of the position frame 21 .
- the airflow shielding structure 30 includes a plurality of shutter plates 31 and a connection rod 32 connected with the shielding plates 31 .
- One side of the shutter plates 31 are pivoted at the position frame 21 , and the shuttle plates 31 are capable of turning simultaneously for opening and closing the air outlet 210 through the connection rod 32 .
- each of the shutter plates 31 has a reinforcing rib 313 on one side thereof to increase the structural strength of each shielding plate 31 .
- the position frame 21 has a plurality of axle holes 212 ; correspondingly, one side of each shutter plate 31 is provided with an axle portion 310 , and axle portions 310 of the shutter plates 31 are coupled to the axle holes 212 of the position frame 21 correspondingly to cover the air outlet 210 .
- the axle holes 212 of the position frame 21 are arranged in pairs on opposite sides of the air outlet 210 ; correspondingly, one side of each of the shutter plates 31 is formed with a pair of axle portions 310 corresponding to the axle holes 212 .
- each of the shutter plates 31 has a first clamp portion 301 separately, and the connection rod 32 has a plurality of second clamp portions 321 arranged at intervals.
- the connection rod 32 is connected to the shutter plates 31 together through the second clamp portions 321 engaging with the first clamp portions 301 .
- the first clamp portion 301 is, but not limited to, a latch piece;
- the second clamp portion 321 is, but not limited to, a clamp slot.
- the shutter plates 31 include a first shutter plates 311 having a first length separately and a second shutter plates 312 having a second length separately.
- the first length corresponds to a size of the air outlet 210
- the second length is larger than the first length. Accordingly, the shutter plates 31 are combined with the position frame 21 so as to shield the air outlet 210 .
- each of the shutter plates 31 has a reinforcing rib 313 on one side thereof to increase the structural strength of each shielding plate 31 .
- the shutter plates 31 include a plurality of first shutter plates 311 and a plurality of second shutter plates 312 .
- the first shutter plates 311 are located at two sides of the second shutter plates 312 so that a reservation space 300 is formed at two sides of the position frame 21 separately. The disposition of the reservation space 300 is provided for routing the fan cables 112 .
- the server fan 1 of the present invention has an airflow shielding structure 30 , thus the shutter plates 31 are shut on one side of the position frame 21 to close the air outlet 210 .
- the airflow inside the server chassis 2 is blown toward the outside of server chassis 2 due to the positive pressure effect. Therefore, before the server fan 1 is placed in the server chassis 2 without running, the shutter plates 31 of the server fan 1 are shut to prevent the server fan 1 from reversing by the airflow inside the server chassis 2 .
- FIG. 9 depicts an operation schematic view of the server fan.
- the server fan 1 inserts the server chassis 2 and connects to the corresponding connector 3 , the server fan 1 starts to run.
- the force airflow generated by the server fan 1 flows out from the air outlet 210 .
- the shutter plates 31 are affected by the force air flow to turn over.
- the shutter plates 31 are ensured to turn simultaneously so as to open the air outlet 210 .
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A fan module includes a fan body and metal plates. The fan body has a fan seat, and the fan seat is provided with coupling holes. The metal plates enclose the fan body and expose an outlet side. The position assembly includes a position frame and position members. The position frame has an air outlet and is fixed on the outlet side. The airflow shielding structure includes shutter plates and a connection rod. One side of the shutter plates are pivoted at the position frame, and the shuttle plates are capable of turning simultaneously for opening and closing the air outlet so as to maintain the normal operation of the server fan.
Description
- The present invention generally relates to a server system, and more particular, to a server fan with airflow shielding structure.
- Currently, most of chassis of server systems are assembled with electronic devices such as motherboards, data processing units and power supplies. Moreover, multiple fan modules are usually provided inside the chassis to dissipate heat from data processing units quickly and effectively. At that time, the pressure inside the chassis forms a positive pressure under the airflow generated by the fan modules.
- Furthermore, when one of the fan modules of the server system is out of order during operation, the failure fan module is removed from the chassis by users, and then another good fan module is placed into the chassis for replacement. However, the good fan module might be reversed due to the airflow of positive pressure inside the chassis under the condition while not start running. Then, after the good fan module is electrically connected, its motor needs to overcome the reverse impedance before running. Thus, the motor might have a breakdown under high load frequently, so it needs to be improved.
- In view of the above drawbacks, the Inventor proposes the present invention based on his expert knowledge and elaborate research in order to solve the problems of prior art.
- Accordingly, an object of the present invention is to provide a server fan with airflow shielding structure to prevent the server fan from being affected by the airflow in the server chassis, so as to maintain a normal operation of the server fan.
- In order to achieve the object mentioned above, the present invention provides a server fan with airflow shielding structure for combining in a server chassis comprising a fan module, a position assembly, and an airflow shielding structure. The fan module includes a fan body and a plurality of metal plates. The fan body has a fan seat, and the fan seat is provided with a plurality of coupling holes. The metal plates enclose the fan body and expose an outlet side. The position assembly includes a position frame and a plurality of position members. The position frame has an air outlet and is fixed on the outlet side through the position members inserting the coupling holes. The airflow shielding structure includes a plurality of shutter plates and a connection rod connected to the shielding plates. One side of the shutter plates are pivoted at the position frame, and the shuttle plates are capable of turning simultaneously for opening and closing the air outlet through the connection rod.
- Comparing to the prior art, the server fan of the present invention has shielding structure, wherein the shutter plates are capable of shutting at the air outlet. Moreover, when the server fan needs to be replaced, the shutter plates are shut to prevent the server fan from reversing by the airflow inside the server chassis before running. Furthermore, when the server fan starts to generate a force airflow, the shutter plates are turned by the force airflow to open simultaneously through the connection rod. Thereby, the server fan can be prevented from being affected by the airflow in the chassis of server for maintaining a normal operation of the server fan. Therefore, the practicality of the present invention is enhanced.
- The features of the invention believed to be novel are set forth with particularity in the appended claims. The invention itself, however, may be best understood by reference to the following detailed description of the invention, which describes a number of exemplary embodiments of the invention, taken in conjunction with the accompanying drawings, in which:
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FIG. 1 andFIG. 2 are perspective schematic views from two sides of multiple server fans combined in the server chassis of the present invention. -
FIG. 3 is a perspective schematic view of a single server fan separated from the server chassis of the present invention. -
FIG. 4 andFIG. 5 are perspective schematic views from two sides of the server fan of the present invention. -
FIG. 6 is an explosion view of the fan module of the present invention. -
FIG. 7 is an explosion view of the fan module and position assembly of the present invention. -
FIG. 8 is an explosion view of the position assembly and air shielding structure of the present invention. -
FIG. 9 is an operation schematic view of the server fan. - In cooperation with attached drawings, the technical contents and detailed description of the invention are described thereinafter according to a number of preferable embodiments, not being used to limit its executing scope. Any equivalent variation or modification made according to appended claims is all covered by the claims claimed by the present invention.
- Please refer to
FIG. 1 toFIG. 3 , which depict perspective schematic views from two sides of multiple server fans combined in the server chassis of the present invention and a perspective schematic view of a single server fan separated from the server chassis of the present invention. The present invention is aserver fan 1 with airflow shielding structure for combining in aserver chassis 2. In the present embodiment, a plurality ofserver fans 2 are provided inside theserver chassis 2, and theserver fans 2 are combined in a side of theserver chassis 2. In addition, theserver chassis 2 is provided with aconnector 3 corresponding the location of eachserver fan 1, and theconnector 3 is electrically connected a power supply (not shown). When theserver fan 1 inserts inserver chassis 2, theserver fan 1 is connected with thecorresponding connector 3 to provide the required power of eachserver fan 1 during operation. Theserver fan 1 is described in more detail as follows. - Please further refer to
FIG. 4 toFIG. 6 , which depict perspective schematic views form two sides of the server fan of the present invention and an explosion view of the fan module of the present invention. Theserver fan 1 of the present invention includes afan module 10, aposition assembly 20, and anairflow shielding structure 30. Theposition assembly 20 is combined with thefan module 10 at a side facing the interior of theserver chassis 2. Additionally, theairflow shielding structure 30 is coupled to theposition assembly 20 so as to open or close the outlet side of thefan module 10. - The
fan module 10 includes afan body 11 and a plurality ofmetal plates 12. In the present embodiment, thefan body 11 includes twofans 111 connected in series and twofan cables 112, and the twofan cables 112 are connected to the twofans 111 separately. Furthermore, themetal plates 12 enclose thefan body 11 and expose anoutlet side 100. The disposition of themetal plates 12 are provided for preventing the electromagnetic interference (EMI) of thefans 111. - Moreover, the
server fan 1 further includes acircuit module 40. Thecircuit module 40 is disposed on one of themetal plates 12 and connected with the twofan cables 112. Themetal plates 12 include arear plate 121 located at an opposite side of theoutlet side 100, and therear plate 121 is provided with a plurality ofair holes 120 configured in a honeycomb shape separately. - It is worthy of notice that the
circuit module 40 has aconnection port 41, and theconnection port 41 is inserted with the connector 3 (refer toFIG. 3 ) when theserver fan 1 inserts theserver chassis 2. Additionally, in the present invention, theserver fan 1 further includes a pair ofclamp pieces 50, and the pair ofclamp pieces 50 are coupled to two outer sides of therear plate 121 correspondingly for users to hold and extract theserver fan 1. - Please further refer to
FIG. 7 andFIG. 8 , which depict an explosion view of the fan module and position assembly of the present invention and an explosion view of the position assembly and the air shielding structure of the present invention. Thefan body 11 has afan seat 113, and thefan seat 113 is provided with a plurality ofcoupling holes 110. In the present embodiment, thefan cables 112 of thefan body 11 pass out from one side of thefan seat 113 together. - The
position assembly 20 includes aposition frame 21 and a plurality ofposition members 22. Theposition frame 21 has anair outlet 210 corresponding to theoutlet side 100 of thefan body 11 and is fixed on a side of thefan body 11 through theposition members 22 inserting thecoupling holes 110 of thefan seat 113. In the present embodiment, each of theposition members 22 is a flexible post, and theposition members 22 are disposed at the corners of theposition frame 21. - Furthermore, one side of the
position frame 21 is formed with at least onehook arm 211; besides, the twofan cables 112 of thefan body 11 are routed between thehook arm 211 and one of the metal plates 12 (refer toFIG. 5 ). - In the present embodiment, the
position frame 21 has a plurality ofhook arms 211 which are arranged at intervals and extend vertically at one side of theposition frame 21. - Moreover, the
airflow shielding structure 30 includes a plurality ofshutter plates 31 and aconnection rod 32 connected with the shieldingplates 31. One side of theshutter plates 31 are pivoted at theposition frame 21, and theshuttle plates 31 are capable of turning simultaneously for opening and closing theair outlet 210 through theconnection rod 32. Preferably, each of theshutter plates 31 has a reinforcingrib 313 on one side thereof to increase the structural strength of each shieldingplate 31. - Specifically, the
position frame 21 has a plurality of axle holes 212; correspondingly, one side of eachshutter plate 31 is provided with anaxle portion 310, andaxle portions 310 of theshutter plates 31 are coupled to the axle holes 212 of theposition frame 21 correspondingly to cover theair outlet 210. Preferably, the axle holes 212 of theposition frame 21 are arranged in pairs on opposite sides of theair outlet 210; correspondingly, one side of each of theshutter plates 31 is formed with a pair ofaxle portions 310 corresponding to the axle holes 212. Thereby, when one side of each of theshutter plates 31 is combined with theposition frame 21, the other side of eachshutter plate 31 hangs down due to its own weight, so that theposition frame 21 is closed. - Additionally, each of the
shutter plates 31 has afirst clamp portion 301 separately, and theconnection rod 32 has a plurality ofsecond clamp portions 321 arranged at intervals. Theconnection rod 32 is connected to theshutter plates 31 together through thesecond clamp portions 321 engaging with thefirst clamp portions 301. In the present embodiment, thefirst clamp portion 301 is, but not limited to, a latch piece; thesecond clamp portion 321 is, but not limited to, a clamp slot. - In more detail, the
shutter plates 31 include afirst shutter plates 311 having a first length separately and asecond shutter plates 312 having a second length separately. The first length corresponds to a size of theair outlet 210, and the second length is larger than the first length. Accordingly, theshutter plates 31 are combined with theposition frame 21 so as to shield theair outlet 210. - Preferably, each of the
shutter plates 31 has a reinforcingrib 313 on one side thereof to increase the structural strength of each shieldingplate 31. - In the present embodiment, the
shutter plates 31 include a plurality offirst shutter plates 311 and a plurality ofsecond shutter plates 312. In addition, thefirst shutter plates 311 are located at two sides of thesecond shutter plates 312 so that areservation space 300 is formed at two sides of theposition frame 21 separately. The disposition of thereservation space 300 is provided for routing thefan cables 112. - The
server fan 1 of the present invention has anairflow shielding structure 30, thus theshutter plates 31 are shut on one side of theposition frame 21 to close theair outlet 210. In addition, when theserver fan 1 of the present invention is to be replaced, the airflow inside theserver chassis 2 is blown toward the outside ofserver chassis 2 due to the positive pressure effect. Therefore, before theserver fan 1 is placed in theserver chassis 2 without running, theshutter plates 31 of theserver fan 1 are shut to prevent theserver fan 1 from reversing by the airflow inside theserver chassis 2. - Please further refer to
FIG. 9 , which depicts an operation schematic view of the server fan. When theserver fan 1 inserts theserver chassis 2 and connects to thecorresponding connector 3, theserver fan 1 starts to run. The force airflow generated by theserver fan 1 flows out from theair outlet 210. At that time, theshutter plates 31 are affected by the force air flow to turn over. In addition, since theshutter plates 31 are connected together by theconnection rod 32, theshutter plates 31 are ensured to turn simultaneously so as to open theair outlet 210. - Although the present invention has been described with reference to the preferred embodiment thereof, it will be understood that the invention is not limited to the details thereof. Various substitutions and improvements have been suggested in the foregoing description, and others will occur to those of ordinary skill in the art. Therefore, all such substitutions and improvements are intended to be embraced within the scope of the invention as defined in the appended claims.
Claims (18)
1. A server fan with airflow shielding structure for combining in a server chassis, comprising:
a fan module including a fan body and a plurality of metal plates, wherein the fan body has a fan seat, and the fan seat is provided with a plurality of coupling holes, and the metal plates enclose the fan body and expose an outlet side;
a position assembly including a position frame and a plurality of position members, wherein the position frame has an air outlet and is fixed on the outlet side through the position members inserting in the coupling holes; and
an airflow shielding structure including a plurality of shutter plates and a connection rod connected to the shutter plates, wherein one side of the shutter plates are pivoted at the position frame, and the shuttle plates are capable of turning simultaneously for opening and closing the air outlet through the connection rod;
wherein the fan body includes two fans connected in series and two fan cables, and the two fan cables are connected to the two fans separately and pass out from one side of the fan seat together; and server fan further includes a circuit module, the circuit module is disposed on one of the metal plates and connected with the two fan cable.
2. (canceled)
3. The server fan with airflow shielding structure according to claim 1 , wherein the metal plates include a rear plate located at an opposite side of the outlet side, and the rear plate is provided with a plurality of air holes configured in a honeycomb shape separately.
4. The server fan with airflow shielding structure according to claim 3 , further including a pair of clamp pieces, wherein the pair of clamp pieces are coupled to two outer sides of the rear plate correspondingly.
5. The server fan with airflow shielding structure according to claim 1 , wherein on one side of the position frame is formed with at least one hook arm, and the two fan cables are routed between the hook arm and one of the metal plates.
6. The server fan with airflow shielding structure according to claim 5 , wherein the position frame has a plurality of hook arms, and the hook arms are arranged at intervals and extend vertically at one side of the position frame.
7. (canceled)
8. The server fan with airflow shielding structure according to claim 1 , wherein the circuit module has a connection port, and the server chassis has a connector; and the connection port is inserted with the connector when the server fan inserts the server chassis.
9. The server fan with airflow shielding structure according to claim 1 , wherein the position frame has a plurality of axle holes; each of the shutter plates is provided with an axle portion; and axle portions of the shutter plates are correspondingly coupled to the axle holes to cover the air outlet.
10. The server fan with airflow shielding structure according to claim 9 , wherein the axle holes are arranged in pairs on opposite sides of the air outlet, and one side of each of the shutter plates is formed with a pair of axle portions corresponding to the axle holes.
11. The server fan with airflow shielding structure according to claim 1 , wherein each of the position members is a flexible post, and the position members are disposed at corners of the position frame.
12. The server fan with airflow shielding structure according to claim 1 , wherein the shutter plates include a first shutter plates having a first length separately and a second shutter plates having a second length separately; and the first length corresponds to a size of the air outlet, and the second length is larger than the first length.
13. The server fan with airflow shielding structure according to claim 12 , wherein the shutter plates include a first shutter plates and a second shutter plates, and the first shutter plates are located at two sides of the second shutter plates to form a reservation space.
14. The server fan with airflow shielding structure according to claim 1 , wherein each of the shutter plates has a reinforcing rib on one side thereof.
15. The server fan with airflow shielding structure according to claim 1 , wherein each of the shutter plates has a first clamp portion; the connection rod has a plurality of second clamp portions arranged at intervals; and the connection rod is connected with the shutter plates through the second clamp portions engaging with the first clamp portions.
16. A server fan with airflow shielding structure for combining in a server chassis, comprising:
a fan module including a fan body and a plurality of metal plates, wherein the fan body has a fan seat, and the fan seat is provided with a plurality of coupling holes, and the metal plates enclose the fan body and expose an outlet side;
a position assembly including a position frame and a plurality of position members, wherein the position frame has an air outlet and is fixed on the outlet side through the position members inserting in the coupling holes; and
an airflow shielding structure including a plurality of shutter plates and a connection rod connected to the shutter plates, wherein one side of the shutter plates are pivoted at the position frame, and the shuttle plates are capable of turning simultaneously for opening and closing the air outlet through the connection rod;
wherein the shutter plates include a first shutter plates having a first length separately and a second shutter plates having a second length separately; and the first length corresponds to a size of the air outlet, and the second length is larger than the first length.
17. The server fan with airflow shielding structure according to claim 16 , wherein each of the shutter plates has a reinforcing rib on one side thereof.
18. The server fan with airflow shielding structure according to claim 16 , wherein each of the shutter plates has a first clamp portion; the connection rod has a plurality of second clamp portions arranged at intervals; and the connection rod is connected with the shutter plates through the second clamp portions engaging with the first clamp portions.
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US16/883,836 US11191183B1 (en) | 2020-05-26 | 2020-05-26 | Server fan with airflow shielding structure |
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TWI743732B (en) * | 2020-04-08 | 2021-10-21 | 緯創資通股份有限公司 | Fan module and electronic device |
US11297733B2 (en) * | 2020-08-27 | 2022-04-05 | Quanta Computer Inc. | Removable fan flapper design |
CN114673670B (en) * | 2020-12-24 | 2024-04-05 | 戴尔产品有限公司 | Information processing system with column fan package |
CN115638120A (en) * | 2021-07-19 | 2023-01-24 | 纬联电子科技(中山)有限公司 | Fan frame and electronic device comprising same |
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US20080273305A1 (en) * | 2007-05-01 | 2008-11-06 | Jia-Shiung Lee | Fan airflow-guiding device |
CN201600635U (en) * | 2009-12-14 | 2010-10-06 | 鸿富锦精密工业(深圳)有限公司 | Wind shield and electronic device provided therewith |
TWI505767B (en) * | 2013-01-31 | 2015-10-21 | Hon Hai Prec Ind Co Ltd | Heat dissipating device |
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US20220304197A1 (en) * | 2021-03-22 | 2022-09-22 | Hitachi, Ltd. | Information processing apparatus and fan control method of information processing apparatus |
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