CN212454911U - Heat radiation fan module with backflow prevention function and module host system - Google Patents
Heat radiation fan module with backflow prevention function and module host system Download PDFInfo
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- CN212454911U CN212454911U CN202020497557.1U CN202020497557U CN212454911U CN 212454911 U CN212454911 U CN 212454911U CN 202020497557 U CN202020497557 U CN 202020497557U CN 212454911 U CN212454911 U CN 212454911U
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- 230000002265 prevention Effects 0.000 title claims description 27
- 230000005855 radiation Effects 0.000 title description 4
- 238000001816 cooling Methods 0.000 claims description 12
- 238000005452 bending Methods 0.000 claims description 10
- 239000011324 bead Substances 0.000 abstract 3
- 230000017525 heat dissipation Effects 0.000 description 21
- 230000000694 effects Effects 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses mainly disclose a radiator fan module and module host system with prevent function of backward flow, radiator fan module with prevent function of backward flow uses among a casing, and includes a fan unit and a unit that keeps out the wind. Wherein, this unit of keeping out the wind includes: a left side plate, a left fixed column, a left wind shield, a right side plate, a right fixed column, a right wind shield and a stop column. According to the utility model discloses a design under the unable normal operating condition of fan unit, outside air current can flow in among the casing via unable normal operating fan unit's air exit to promote this deep bead and this weather strip, finally this left deep bead receives with this right deep bead stop post backstop, thereby the efficiency that the performance prevented the backward flow.
Description
Technical Field
The utility model relates to a radiator fan's technical field indicates a radiator fan module that has the function of preventing backward flow and a host system who contains this radiator fan module among the casing of being applied to host system especially.
Background
Computer systems (Computer systems) have become indispensable electronic devices for industrial development, including: desktop computers, notebook computers, all-in-one computers, industrial computers, server hosts, game hosts and the like. It should be understood that the computer systems described above are equipped with at least one heat dissipation fan to assist the electronic chip and/or the electronic module inside the housing to dissipate heat. It should be noted that, due to the high requirement of the scientific and technological applications such as space development (aerospace), petroleum exploration (petroleum exploration), meteorological observation (meteorological observation), cloud computing (cloud computing), and cloud streaming game service (video streaming service), the structure composition of the host module of the computer system and/or the auxiliary computing chip module thereof is more complicated. In this case, it becomes important to effectively exhaust the heat generated by the host module and the auxiliary computing chip module during operation from the chassis of the computer system.
In the prior art, the heat dissipation requirement of a computer system with high computing capability is met by increasing the number of heat dissipation fans. However, when one of the heat dissipation fans fails to operate normally, the hot air exhausted by the normal fan will flow back to the chassis of the computer system again through the fan that fails to operate normally due to the negative pressure effect. In view of this, chinese patent publication No. CN101568249A proposes a heat dissipation fan module with a wind direction limiting function. Fig. 1 is a first perspective view of a conventional heat dissipation fan module with a wind direction limiting function, and fig. 2 is a second perspective view of the conventional heat dissipation fan module with the wind direction limiting function.
As shown in fig. 1, a conventional heat dissipation fan module having a wind direction restriction function includes: n fan units 11 ', N rotating shafts 12', 2N baffle plates 13 ', and N-1 stopping posts 14' installed in a cabinet 2 ', wherein each rotating shaft 12' is disposed in the cabinet 2 'adjacent to each fan unit 11'. Fig. 1 also shows that each of the rotating shafts 12 ' is pivotally connected with two of the baffles 13 ', and the rotating shaft 12 ' is further sleeved with a Torsion spring (Torsion spring)15 ', so that two swing arms (leg) of the Torsion spring 15 ' are respectively located on one surface of the two baffles 13 ', so that the two baffles 13 ' can be pressed by the Torsion spring 15 ' to open towards two sides with the rotating shaft 12 ' as a center. In this case, two baffles 13 ' are used to prevent outside air from entering the inside of the cabinet 2 ' through the fan unit 11 '. In contrast, as shown in fig. 2, when each fan unit 11 ' is normally operated, the hot air flow in the cabinet 2 ' is exhausted by the fan unit 11 '. At this time, the hot air flow is required to overcome the elastic resistance of the torsion spring 15 ' to blow the baffle 13 ' of the pivot shaft 12 ' away, so as to be exhausted out of the housing 2 ' through the fan unit 11 '.
After the practical application of the existing heat dissipation fan module with the wind direction limiting function, the main defects are found as follows: when each fan unit 11 'is operating normally, the hot air flow generated by the operation of each fan unit 11' must have an air pressure sufficient to overcome the elastic resistance of the torsion spring 15 ', so that the hot air flow can blow off the baffle 13' and then flow out of the casing 2 'through the fan unit 11'.
As can be seen from the foregoing description, the conventional heat dissipation fan module with wind direction limiting function still has the need for improvement.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a cooling fan module with backflow prevention function and a host system including the cooling fan module, which is applied in a housing, and includes a fan unit and a wind shielding unit. Wherein, this unit of keeping out the wind includes: a left side plate, a left fixed column, a left wind shield, a right side plate, a right fixed column, a right wind shield and a stop column. According to the novel design, under the condition that the fan unit cannot normally operate, external air flow can flow into the shell through the air outlet of the fan unit which cannot normally operate, so that the wind shield and the wind shield sheet are pushed, and finally the left wind shield and the right wind shield are stopped by the stopping columns, so that the effect of preventing backflow is exerted.
In particular, in the design of the heat dissipation fan module with backflow prevention function of the present invention, the air flow flowing from the outside of the casing to the inside of the casing through the fan unit can easily push the left wind shield and the right wind shield of the wind shielding unit without the assistance of any spring or actuator. Therefore, the novel heat radiation fan module with the backflow prevention function has the advantages of simple structure, easy operation, low wind resistance and the like.
To achieve the above object, the present invention provides a cooling fan module with backflow prevention function, which includes:
a fan unit, which is arranged in a casing so as to exhaust heat generated by at least one electronic chip and/or at least one electronic module in the casing out of the casing; and
a wind shielding unit disposed on an air inlet side of the fan unit and including:
a left side plate, which faces the wind inlet side with one vertical side;
a left fixing column connected with the other vertical side of the left side plate;
a left wind shield which is provided with at least one first pivoting part and is pivoted with the left fixed column through the first pivoting part;
a right side plate, which has a vertical side facing the air inlet side and is parallel to the left side plate and has a first spacing distance, wherein the first spacing distance is less than or equal to the width of the fan unit;
a right fixing column connected with the other vertical side edge of the right side plate;
the right wind shield is provided with at least one second pivoting part and is pivoted with the right fixed column through the second pivoting part; and
the stop column is arranged at the centers of the left side plate and the right side plate and is away from the fan unit by a second spacing distance, and the first spacing distance is less than or equal to the width of the left side plate;
under the condition that the fan unit operates normally, the left wind shield and the right wind shield are simultaneously blown by a first airflow flowing from the inside of the machine shell to the outside of the machine shell through the fan unit, and finally a first included angle is formed between the left wind shield and the left side plate and between the right wind shield and the right side plate;
under the condition that the fan unit cannot normally operate, the left wind shield and the right wind shield are simultaneously blown by a second airflow flowing from the outside of the machine shell to the inside of the machine shell through the fan unit, and finally the left wind shield and the right wind shield are stopped by the stopping columns, so that a second included angle is formed between the left wind shield and the left side plate, and the second included angle is formed between the right wind shield and the right side plate;
wherein, the second included angle is larger than the first included angle.
In the above-mentioned cooling fan module with backflow prevention function, the wind shielding unit further includes:
an upper plate connected to a horizontal side of the left side plate and a horizontal side of the right side plate; and
and a lower plate connected to the other horizontal side of the left side plate and the other horizontal side of the right side plate to serve as a base plate of the wind shielding unit.
In the above-mentioned cooling fan module with backflow prevention function, the wind shielding unit further includes:
a first extending piece connected to an end side of the left wind shield and having a bending angle with the left wind shield; and
a second extending piece connected to an end side of the right wind shield and having the bending angle with the right wind shield.
To achieve the above object, the present invention further provides a host system, which includes a housing, at least one electronic chip and/or at least one electronic module accommodated in the housing; wherein, be equipped with a plurality of radiator fan modules that have the function of preventing backward flow in this host system, just radiator fan module that has the function of preventing backward flow includes:
a fan unit, which is arranged in a casing so as to exhaust heat generated by at least one electronic chip and/or at least one electronic module in the casing out of the casing;
a wind shielding unit disposed on an air inlet side of the fan unit and including:
a left side plate, which faces the wind inlet side with one vertical side;
a left fixing column connected with the other vertical side of the left side plate;
a left wind shield which is provided with at least one first pivoting part and is pivoted with the left fixed column through the first pivoting part;
a right side plate, which has a vertical side facing the air inlet side and is parallel to the left side plate and has a first spacing distance, wherein the first spacing distance is less than or equal to the width of the fan unit; and
a right fixing column connected with the other vertical side edge of the right side plate;
the right wind shield is provided with at least one second pivoting part and is pivoted with the right fixed column through the second pivoting part; and
the stop column is arranged on the air inlet side of the fan unit, is positioned in the centers of the left side plate and the right side plate, and has a second spacing distance with the fan unit, and the first spacing distance is smaller than or equal to the width of the left side plate;
under the condition that the fan unit operates normally, the left wind shield and the right wind shield are simultaneously blown by a first airflow flowing from the inside of the machine shell to the outside of the machine shell through the fan unit, and finally a first included angle is formed between the left wind shield and the left side plate and between the right wind shield and the right side plate;
under the condition that the fan unit cannot normally operate, the left wind shield and the right wind shield are simultaneously blown by a second airflow flowing from the outside of the machine shell to the inside of the machine shell through the fan unit, and finally the left wind shield and the right wind shield are stopped by the stopping columns, so that a second included angle is formed between the left wind shield and the left side plate, and the second included angle is formed between the right wind shield and the right side plate;
wherein, the second included angle is larger than the first included angle.
In the above-mentioned host system, the wind shielding unit further includes:
an upper plate connected to a horizontal side of the left side plate and a horizontal side of the right side plate; and
and a lower plate connected to the other horizontal side of the left side plate and the other horizontal side of the right side plate to serve as a base plate of the wind shielding unit.
In the above-mentioned host system, the wind shielding unit further includes:
a first extending piece connected to an end side of the left wind shield and having a bending angle with the left wind shield; and
a second extending piece connected to an end side of the right wind shield and having the bending angle with the right wind shield.
The host system described above, wherein the host system is any one of the following: a network server, an industrial computer, a cloud server, a game console, a desktop computer, a notebook computer, or a all-in-one computer.
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
Drawings
Fig. 1 is a first perspective view of a conventional heat dissipation fan module with a wind direction limiting function;
fig. 2 is a second perspective view showing a conventional heat dissipation fan module with a wind direction limiting function;
fig. 3 is a first perspective view showing a heat dissipation fan module with backflow prevention function according to the present invention;
fig. 4 is a second perspective view of the heat dissipation fan module with backflow prevention function according to the present invention;
fig. 5 is a third perspective view of the cooling fan module with backflow prevention function according to the present invention;
FIG. 6 is a first perspective view of a host system including the novel fan module with backflow prevention function; and
fig. 7 is a second perspective view of a host system including the cooling fan module with backflow prevention function according to the present invention.
Wherein the reference numerals
The new model
1: heat radiation fan module
11 fan unit
12 wind shielding unit
13 stop column
1LP left side plate
1LR left fixing column
1LB left wind shield
PV1 first pivot joint
1RP right side plate
1RR right fixing column
1RB right wind deflector PV2 second pivot joint part
1UP upper plate
1BP lower plate
ES1 first extension sheet
ES2 second extension sheet
HS host system
2: casing
21 electronic chip
Prior Art
2' case
11' fan unit
12' rotating shaft
13' baffle plate
14' stop column
15' torsion spring
Detailed Description
In order to more clearly describe the heat dissipation fan module with backflow prevention function and the host system having the same, preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Radiator fan module with backflow prevention function
Fig. 3 and 4 are a first perspective view and a second perspective view respectively illustrating a heat dissipation fan module with backflow prevention function according to the present invention. This novel radiator fan module 1 with prevent backward flow function includes: a fan unit 11 and a wind shielding unit 12, wherein the fan unit 11 is disposed inside a housing, so as to exhaust heat generated by at least one electronic chip and/or at least one electronic module inside the housing out of the housing. On the other hand, the wind shielding unit 12 is disposed on an air inlet side of the fan unit 11, and includes: a left side plate 1LP, a left fixed post 1LR, a left wind shield 1LB, a right side plate 1RP, a right fixed post 1RR, a right wind shield 1RB, and a stopper post 13.
It should be noted that the air inlet side refers to a side of the fan unit 11 facing the inside of the housing, and an air outlet side of the fan unit 11 refers to a side of the fan unit 11 facing the outside of the housing. As shown in fig. 3, the left side plate 1LP faces the air inlet side of the fan unit 11 with one vertical side, and the left fixing post 1LR is connected to the other vertical side of the left side plate 1 LP. On the other hand, the left wind-guard 1LB has at least one first pivot portion PV1, and the first pivot portion PV1 is pivotally connected to the left fixing post 1 LR.
As shown in fig. 3, the right side plate 1RP faces the wind inlet side of the fan unit 11 with a vertical side edge thereof, and is parallel to and spaced apart from the left side plate 1LP by a first spacing distance, wherein the first spacing distance is smaller than or equal to the width of the fan unit 11. On the other hand, the right fixing post 1RR is connected to the other vertical side of the right side plate 1 RP. The right wind-guard 1RB has at least one second pivot portion PV2, and the right fixed post 1RR is pivotally connected to the second pivot portion PV 2. Fig. 3 also shows a stop pillar 13, which is disposed on the air inlet side of the fan unit 11, is located at the center of the left side plate 1LP and the right side plate 1RP, and is spaced apart from the fan unit 11 by a second spacing distance, which is smaller than or equal to the width of the left side plate 1 LP.
As shown in fig. 4, in an embodiment, the wind shielding unit 12 further includes an upper plate 1UP and a lower plate 1BP, wherein the upper plate 1UP is connected to a horizontal side of the left side plate 1LP and a horizontal side of the right side plate 1 RP. Also, the lower plate 1BP is connected to the other horizontal side of the left side plate 1LP and the other horizontal side of the right side plate 1RP, thereby serving as a base plate of the wind shielding unit 12. Further, in another embodiment, the wind shielding unit 12 may further include a first extending piece ES1 and a second extending piece ES 2. The first extending piece ES1 is connected to an end side of the left wind deflector 1LB, and has a bending angle with the left wind deflector 1 LB. Also, the second extending piece ES2 is connected to an end side of the right wind shield 1RB with the bending angle therebetween. More specifically, after the left wind deflector 1LB is combined with the first extending piece ES1 and the right wind deflector 1RB is combined with the second extending piece ES2, the resistance of each wind deflector unit 12 to the heat flow discharge of each fan unit 11 can be greatly reduced, and the final effect of improving the heat flow discharge efficiency of the fan units 11 is achieved.
Please refer to fig. 3 and fig. 5, which show a third perspective view of the cooling fan module with backflow prevention function according to the present invention. As shown in fig. 3, under the condition that the fan unit 11 operates normally, heat generated by at least one electronic chip and/or at least one electronic module inside the casing forms a heat flow, and the heat flow is exhausted outside the casing through the air outlet side of the fan unit 11. In this process, the left wind shield 1LB and the right wind shield 1RB are simultaneously blown by a first airflow flowing from the inside of the casing to the outside of the casing through the fan unit 11, so that a first included angle is formed between the left wind shield 1LB and the left side plate 1LP, and the first included angle is also formed between the right wind shield 1RB and the right side plate 1 RP.
As shown in fig. 5, when the fan unit 11 cannot operate normally, the left wind shield 1LB and the right wind shield 1RB are simultaneously blown by a second air flow flowing from the outside of the casing to the inside of the casing through the fan unit 11, and finally the left wind shield 1LB and the right wind shield 1LB are stopped by the stopping posts 13, so that a second included angle is formed between the left wind shield 1LB and the left side plate 1LP, and the second included angle is also formed between the right wind shield 1RB and the right side plate 1 RP. As can be easily understood by comparing fig. 3 and fig. 5, the second included angle is between 60 ° and 90 °, and the first included angle is between 1 ° and 30 °. In other words, the second included angle is larger than the first included angle.
Host system including heat radiating fan module with backflow preventing function
Fig. 6 and 7 are a first perspective view and a second perspective view respectively showing a host system including the heat dissipation fan module with backflow prevention function according to the present invention. As shown in fig. 6, the host system HS includes: a casing 2, at least one electronic chip 21 and/or at least one electronic module accommodated in the casing 2, and a plurality of novel heat dissipation fan modules 1 with backflow prevention function. The foregoing description has described the constituent elements of the heat dissipation fan module 1 having the backflow prevention function and the functional operation thereof in detail, and thus, a description thereof will not be repeated. Meanwhile, the reference numerals of the constituent elements of the heat dissipation fan module 1 having the backflow prevention function are not shown in fig. 6 and 7, and the drawing is kept simple. In particular, the cooling fan module 1 with backflow prevention function of the present invention can be applied to any kind of host system HS, including: network server, industrial computer, cloud server, game host, desktop computer, notebook computer, and all-in-one computer.
Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.
Claims (7)
1. A cooling fan module with backflow prevention function, comprising:
a fan unit, which is arranged in a casing so as to exhaust heat generated by at least one electronic chip and/or at least one electronic module in the casing out of the casing; and
a wind shielding unit disposed on an air inlet side of the fan unit and including:
a left side plate, which faces the wind inlet side with one vertical side;
a left fixing column connected with the other vertical side of the left side plate;
a left wind shield which is provided with at least one first pivoting part and is pivoted with the left fixed column through the first pivoting part;
a right side plate, which has a vertical side facing the air inlet side and is parallel to the left side plate and has a first spacing distance, wherein the first spacing distance is less than or equal to the width of the fan unit;
a right fixing column connected with the other vertical side edge of the right side plate;
the right wind shield is provided with at least one second pivoting part and is pivoted with the right fixed column through the second pivoting part; and
the stop column is arranged at the centers of the left side plate and the right side plate and is away from the fan unit by a second spacing distance, and the first spacing distance is less than or equal to the width of the left side plate;
under the condition that the fan unit operates normally, the left wind shield and the right wind shield are simultaneously blown by a first airflow flowing from the inside of the machine shell to the outside of the machine shell through the fan unit, and finally a first included angle is formed between the left wind shield and the left side plate and between the right wind shield and the right side plate;
under the condition that the fan unit cannot normally operate, the left wind shield and the right wind shield are simultaneously blown by a second airflow flowing from the outside of the machine shell to the inside of the machine shell through the fan unit, and finally the left wind shield and the right wind shield are stopped by the stopping columns, so that a second included angle is formed between the left wind shield and the left side plate, and the second included angle is formed between the right wind shield and the right side plate;
wherein, the second included angle is larger than the first included angle.
2. The heat dissipating fan module with backflow prevention function as claimed in claim 1, wherein the wind shielding unit further comprises:
an upper plate connected to a horizontal side of the left side plate and a horizontal side of the right side plate; and
and a lower plate connected to the other horizontal side of the left side plate and the other horizontal side of the right side plate to serve as a base plate of the wind shielding unit.
3. The heat dissipating fan module with backflow prevention function as claimed in claim 1, wherein the wind shielding unit further comprises:
a first extending piece connected to an end side of the left wind shield and having a bending angle with the left wind shield; and
a second extending piece connected to an end side of the right wind shield and having the bending angle with the right wind shield.
4. A host system comprises a shell, at least one electronic chip and/or at least one electronic module, wherein the electronic chip and/or the at least one electronic module are accommodated in the shell; it is characterized in that a plurality of cooling fan modules with backflow prevention function are arranged in the host system, and the cooling fan modules with backflow prevention function comprise:
a fan unit, which is arranged in a casing so as to exhaust heat generated by at least one electronic chip and/or at least one electronic module in the casing out of the casing;
a wind shielding unit disposed on an air inlet side of the fan unit and including:
a left side plate, which faces the wind inlet side with one vertical side;
a left fixing column connected with the other vertical side of the left side plate;
a left wind shield which is provided with at least one first pivoting part and is pivoted with the left fixed column through the first pivoting part;
a right side plate, which has a vertical side facing the air inlet side and is parallel to the left side plate and has a first spacing distance, wherein the first spacing distance is less than or equal to the width of the fan unit; and
a right fixing column connected with the other vertical side edge of the right side plate;
the right wind shield is provided with at least one second pivoting part and is pivoted with the right fixed column through the second pivoting part; and
the stop column is arranged on the air inlet side of the fan unit, is positioned in the centers of the left side plate and the right side plate, and has a second spacing distance with the fan unit, and the first spacing distance is smaller than or equal to the width of the left side plate;
under the condition that the fan unit operates normally, the left wind shield and the right wind shield are simultaneously blown by a first airflow flowing from the inside of the machine shell to the outside of the machine shell through the fan unit, and finally a first included angle is formed between the left wind shield and the left side plate and between the right wind shield and the right side plate;
under the condition that the fan unit cannot normally operate, the left wind shield and the right wind shield are simultaneously blown by a second airflow flowing from the outside of the machine shell to the inside of the machine shell through the fan unit, and finally the left wind shield and the right wind shield are stopped by the stopping columns, so that a second included angle is formed between the left wind shield and the left side plate, and the second included angle is formed between the right wind shield and the right side plate;
wherein, the second included angle is larger than the first included angle.
5. The host system of claim 4, wherein the wind-blocking unit further comprises:
an upper plate connected to a horizontal side of the left side plate and a horizontal side of the right side plate; and
and a lower plate connected to the other horizontal side of the left side plate and the other horizontal side of the right side plate to serve as a base plate of the wind shielding unit.
6. The host system of claim 4, wherein the wind-blocking unit further comprises:
a first extending piece connected to an end side of the left wind shield and having a bending angle with the left wind shield; and
a second extending piece connected to an end side of the right wind shield and having the bending angle with the right wind shield.
7. The host system of claim 4, wherein the host system is any one of: a network server, an industrial computer, a cloud server, a game console, a desktop computer, a notebook computer, or a all-in-one computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020497557.1U CN212454911U (en) | 2020-04-08 | 2020-04-08 | Heat radiation fan module with backflow prevention function and module host system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020497557.1U CN212454911U (en) | 2020-04-08 | 2020-04-08 | Heat radiation fan module with backflow prevention function and module host system |
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| CN212454911U true CN212454911U (en) | 2021-02-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113391680A (en) * | 2021-06-11 | 2021-09-14 | 上海顺诠科技有限公司 | Anti-return cabinet |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113391680A (en) * | 2021-06-11 | 2021-09-14 | 上海顺诠科技有限公司 | Anti-return cabinet |
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