CN201144844Y - Air flow control structure for heat radiation fan - Google Patents
Air flow control structure for heat radiation fan Download PDFInfo
- Publication number
- CN201144844Y CN201144844Y CNU2007201767533U CN200720176753U CN201144844Y CN 201144844 Y CN201144844 Y CN 201144844Y CN U2007201767533 U CNU2007201767533 U CN U2007201767533U CN 200720176753 U CN200720176753 U CN 200720176753U CN 201144844 Y CN201144844 Y CN 201144844Y
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- Prior art keywords
- distinguished
- radiation fan
- control structure
- admirable
- radiation
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Abstract
An airflow control structure is suitable to be used in a heat dissipation fan to determine the opening or the closing of the airflow path of the heat dissipation fan. The airflow control structure comprises a joining frame and at least one movable shielding part, wherein the joining frame has a receiving space communicated with the airflow path of the heat dissipation fan; and the movable shielding part is articulated inside the receiving space and has a first position at least partly shielding the receiving space to close airflow and a second position keeping the receiving space open and opening the airflow.
Description
Technical field
The utility model relates to a kind of distinguished and admirable control structure that is used for radiation fan, especially a kind ofly makes original fan need not to change the distinguished and admirable control structure that is used for radiation fan that original design can be reached anti-backflow.
Background technique
Common radiation system uses independently fan heat radiation module in the known electromechanical equipment, it is arranged on the air-flow path of electromechanical equipment, and, the electromechanical equipment housing of corresponding fan heat radiation module is provided with a baffle plate that possesses a plurality of pores, this baffle plate looses except conducting housing interior or exterior space and with the enclosure interior heat and selects the external world, can also stop that foreign matter enters enclosure interior by outside, and then prevent the damage that fan heat radiation module and electromechanical equipment are caused because of the foreign matter intrusion.
When fan heat radiation module shut down, the less foreign matter of outer dust, the scraps of paper equal-volume of electromechanical equipment was easily by the pore on the baffle plate, and the flabellum gap of fan heat radiation module and enter enclosure interior, became the hidden danger of the inner electrical equipment of electromechanical equipment; In addition, flow if the foreign matter volume greater than the pore on the baffle plate, then makes it attach on the pore barrier air easily, and then influence radiating efficiency; In addition, in having the fan heat radiation module of a plurality of fans, if certain fan hinders for some reason and shuts down, and all the other fans are still during continuous running, the hot-fluid that the flabellum gap of fault fan can make all the other continuous running fans be discharged pours in down a chimney back enclosure interior-promptly so-called " hot refluence phenomenon ", and then influences the heat dissipation of fan heat radiation module to electromechanical equipment inside.
Therefore, a kind of fan frame structure that is used for a radiation fan appears on the market, as TaiWan, China patent M315007 number, comprise: a body, comprise an intake grill and an exhaust outlet, its improvement is: this fan frame structure also comprises at least one movable dust board, is applicable to when this radiation fan shuts down, move to a closed position, so that the movable dust board of this exhaust outlet is covered to prevent hot refluence in the part at least.
Yet, because the movable dust board of this structure is arranged on the fan frame of radiation fan, make those skilled in the art need die sinking again to make the fan frame of radiation fan, not only expend cost, also can't be applicable to original fan framework on the market, so how to improve the general objective that fan the problems referred to above have made great efforts to overcome for those skilled in the art.
The model utility content
Main purpose of the present utility model is that the utilization elastic design makes original fan need not to change the effect that original structure can be reached anti-backflow.
For reaching above-mentioned purpose, the utility model provides a kind of distinguished and admirable control structure that is used for radiation fan, be applicable to that a radiation fan decides the distinguished and admirable path of this radiation fan to open or cut out, this distinguished and admirable control structure includes: a bonding frame has a containing space that is communicated with this distinguished and admirable path of radiation fan; And at least one activity covering, this activity covering is hubbed in this containing space, and has one and can be at least locally cover this containing space to keep containing space open and open the distinguished and admirable second place in order to close distinguished and admirable primary importance and.
Another purpose of the present utility model is, defines this activity covering primary importance and closes close point or the maximum opening point of the second place.
For reaching above-mentioned purpose, the utility model is provided with one and defines the limiting stopper that this activity covering primary importance is closed close point or the maximum opening point of the second place.
By technique scheme, the distinguished and admirable control structure that the utility model is used for radiation fan has following advantage at least:
1. need not to change the elastic design of original cooling fan structure
2. saving cost
3. making technology is convenient
4. avoid extraneous air-flow to put on the activity covering and cause the incomplete situation of closing
5. prevent the activity covering from when radiation fan turns round, swinging and disturb distinguished and admirable
Description of drawings
Fig. 1 is the STRUCTURE DECOMPOSITION schematic representation of the utility model one first preferred embodiment;
Fig. 2 is the stereoscopic schematic representation of the utility model one first preferred embodiment;
Fig. 3-1 is the generalized section of the utility model one first preferred embodiment vane group in primary importance;
Fig. 3-2 is the generalized section of the utility model one first preferred embodiment vane group in the second place;
Fig. 4 is the STRUCTURE DECOMPOSITION schematic representation of the utility model one second preferred embodiment;
Fig. 5 is the STRUCTURE DECOMPOSITION schematic representation of the utility model 1 the 3rd preferred embodiment;
Fig. 6 is the STRUCTURE DECOMPOSITION schematic representation of the utility model 1 the 4th preferred embodiment; And
Fig. 7 is the STRUCTURE DECOMPOSITION schematic representation of the utility model 1 the 5th preferred embodiment.
Embodiment
Relevant detailed content of the present utility model is as follows referring now to description of drawings:
Please refer to Figure 1 and Figure 2, STRUCTURE DECOMPOSITION schematic representation and stereoscopic schematic representation for the utility model one first preferred embodiment, as shown in the figure: the utility model provides a kind of distinguished and admirable control structure that is used for radiation fan, be applicable to that a radiation fan 1 decides the distinguished and admirable path of this radiation fan 1 to open or cut out, this distinguished and admirable control structure includes:
One bonding frame 2 has a containing space 20 that is communicated with this radiation fan 1 distinguished and admirable path; And
At least one activity covering 3, this activity covering 3 is hubbed in this containing space 20, and have one and can locally at least cover this containing space 20 in order to close distinguished and admirable primary importance (please refer to shown in Fig. 3-1), reaching one keeps containing space 20 openings and opens the distinguished and admirable second place (please refer to shown in Fig. 3-2), in the present embodiment, the blade 32 that this activity covering 3 includes a drive-connecting shaft 301 and extended by this drive-connecting shaft 301, and to should activity covering 3 and be provided with one in this bonding frame 2 this drive-connecting shaft 301 corresponding pivoted holes 221 that articulate are provided, wherein this pivoted hole 221 extends and is provided with one and provides this drive-connecting shaft 301 to slip into the slide rail 24 of this pivoted hole 221.
It should be noted that, in the present embodiment, this activity covering 3 is a plurality of, and the range of defilade of this activity covering 3 equals the spacing of two activity coverings 3, that is the dead area of blade 32 is similar to the gap of two drive-connecting shafts 301, yet in the practical operation, the spacing that the range of defilade of this activity covering 3 is greater than or less than two activity coverings 3 is also passable.
In addition, this activity covering 3 can be used distinguished and admirable power and this activity covering 3 gravity own of this radiation fan 1 at the switch mode of the primary importance and the second place, and then it is distinguished and admirable when being enough to promote these activity covering 3 gravity own when 1 running of this radiation fan is produced, then make this activity covering 3 be positioned at the second place, and when this radiation fan 1 shuts down, then make this activity covering 3 be positioned at primary importance by these activity covering 3 gravity own; Perhaps can use manual mode or detect the mechanization automated manner whether this radiation fan 1 turns round, decide this activity covering 3 to be positioned at the primary importance or the second place.
By the switch mode of this activity covering 3 in the primary importance and the second place, the distinguished and admirable path of this radiation fan 1 of may command is opened or is closed, and then the gap that can avoid extraneous foreign matter or wind circulation to cross the flabellum 12 of this radiation fan 1 when this radiation fan 1 shuts down enters, and can prevent effectively that " hot refluence phenomenon " produces.
In addition, for the primary importance pass close point of the maximum opening point of the second place that defines this activity covering 3 with this activity covering 3, this bonding frame 2 is provided with first, second limiting stopper 26,28, thus when this radiation fan 1 shuts down, be limited in primary importance and cause the incomplete situation of closing, and limit this activity covering 3 and when 1 running of this radiation fan, only arrive the maximum opening point of the second place and avoid interference distinguished and admirable to avoid extraneous air-flow to put on this activity covering 3.
In addition, this distinguished and admirable control structure is arranged in this radiation fan 1 and constitutes a heat radiation module 4, and this distinguished and admirable control structure is arranged in the intake grill of this radiation fan 1 or exhaust outlet (referring again to Fig. 1, shown in 2), this radiation fan 1 has a fan frame 10 and is installed in the flabellum of fanning in the frame 10 12, in the present embodiment, the positioning hole 50 by a corresponding fastening forms a fixed connection with positioning block 52 between this fan frame 10 and this bonding frame 2.
Please refer to Fig. 4 and shown in Figure 5, be the decomposing schematic representation of the utility model second and the 3rd preferred embodiment.Above-mentioned heat radiation module 4 is installed in an electro-heat equipment 6, this electro-heat equipment 6 possesses to be had a main casing 60 and is arranged at heating source (not shown) in the main casing 60, wherein, this heat radiation module 4 can use above-mentioned positioning hole 50 to form a fixed connection (as shown in Figure 4) with positioning block 52, also can on this main casing 60, be close to this radiation fan 1 place and wear another positioning hole 70, and this bonding frame 2 be provided with one with another positioning blocks 72 of this another positioning hole 70 corresponding fastenings, and this main casing 60 is formed a fixed connection (as shown in Figure 5) with this bonding frame 2 by positioning hole 70 and positioning block 72; In the present embodiment, this main casing 60 connects establishes a baffle plate 8 that possesses a plurality of pores 80, and this distinguished and admirable control structure is located between this main casing 60 and the baffle plate 8, and this main casing 60 is equipped with a plurality of radiation fans 1 that present paralleling model.
By distinguished and admirable control structure of the present utility model, make when any shuts down among the radiation fan 1 of a plurality of paralleling models, suppress the gap of all the other distinguished and admirable and heats of being taken out of of still being discharged at the radiation fan 1 of running by the flabellum 12 of the radiation fan 1 that shuts down and be back to main casing 60 inner formed " hot refluence phenomenon ".It should be noted that, in the present embodiment, this distinguished and admirable control structure is arranged at the exhaust outlet of this radiation fan 1, yet in the practical operation, this distinguished and admirable control structure also can be arranged at the intake grill (please refer to shown in Figure 6) of this radiation fan 1 or be arranged at the intake grill and the exhaust outlet of this radiation fan 1 simultaneously.
Please refer to shown in Figure 7ly, Fig. 7 is the decomposing schematic representation of the utility model the 5th preferred embodiment.The main discrepancy of present embodiment and the foregoing description is, the place, the inner of this drive-connecting shaft 302 forms the part-circular protuberance, and this pivoted hole 222 is non-complete circular port, make rotary motion trace form non-complete circle, make the rotary motion trace of this drive-connecting shaft 302 in this pivoted hole 222 must form one and limit the spacing stroke that this activity covering 3 moves between the primary importance and the second place, design by present embodiment can replace first, second limiting stopper 26,28, can when shutting down, radiation fan 1 be limited in primary importance equally, cause the incomplete situation of closing to avoid extraneous air-flow to put on activity covering 3, limit this activity covering 3 and when this radiation fan 1 running, only arrive the maximum opening point of the second place and avoid interference distinguished and admirable.
In sum, because the elastic design that the original positioning hole 50 of the utility model by radiation fan 1 engages with positioning block 52 on the bonding frame 2, making original radiation fan 1 need not to change original design can control distinguished and admirable, not only make those skilled in the art need not to expend, can prevent that more all the other distinguished and admirable and heats of being taken out of of still being discharged at the radiation fan 1 of running are back to main casing 60 inner formed " hot refluence phenomenon " by the gap of the flabellum 12 of the radiation fan 1 that shuts down as the required cost of molding again in the prior art; In addition, it is very convenient that original positioning hole 50 of radiation fan 1 and positioning block 52 on the bonding frame 2 engage in technology, more can significantly save manpower; In addition, use first, second limiting stopper 26,28 to make when radiation fan 1 shuts down, be limited in primary importance and cause the incomplete situation of closing to avoid extraneous air-flow to put on activity covering 3, and limit this activity covering 3 and when radiation fan 1 running, only arrive the maximum opening point of the second place and avoid interference distinguished and admirable.Therefore, the utlity model has the elastic design that need not to change original radiation fan 1 structure, save cost, technology convenient, avoid extraneous air-flow to put on activity covering 3 and cause and close incomplete situation, prevent activity covering 3 swing and disturb above-mentioned effects such as distinguished and admirable when radiation fan 1 running.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model.In the above-described embodiments, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a distinguished and admirable control structure that is used for radiation fan is applicable to a radiation fan (1), opens or closes in order to the distinguished and admirable path that determines described radiation fan (1), it is characterized in that described distinguished and admirable control structure comprises:
One bonding frame (2) has a containing space (20) that is communicated with the distinguished and admirable path of described radiation fan (1); And
At least one activity covering (3), described activity covering (3) is hubbed in the described containing space (20), and have one at least the part cover described containing space (20) to keep containing space (20) open and open the distinguished and admirable second place in order to close distinguished and admirable primary importance and.
2. the distinguished and admirable control structure that is used for radiation fan according to claim 1, it is characterized in that, described activity covering (3) comprises a drive-connecting shaft (301,302) and the blade (32) that extends from described drive-connecting shaft (301,302), and described bonding frame (2) is provided with one for the corresponding pivoted hole (221,222) that articulates of described drive-connecting shaft (301,302).
3. the distinguished and admirable control structure that is used for radiation fan according to claim 2, it is characterized in that, the rotary motion trace of described drive-connecting shaft (302) in described pivoted hole (222) forms non-complete circle, and described rotary motion trace forms the spacing stroke that a described activity covering of restriction (3) moves between the primary importance and the second place.
4. the distinguished and admirable control structure that is used for radiation fan according to claim 3 is characterized in that, the place, the inner of described drive-connecting shaft (302) forms the part-circular protuberance, and described pivoted hole (222) is non-complete circular port.
5. the distinguished and admirable control structure that is used for radiation fan according to claim 1 is characterized in that, described bonding frame (2) is provided with and defines the limiting stopper (26,28) that described activity covering (3) primary importance is closed close point or the maximum opening point of the second place.
6. the distinguished and admirable control structure that is used for radiation fan according to claim 1, it is characterized in that, described distinguished and admirable control structure is arranged in described radiation fan (1) and constitutes a heat radiation module (4), and described distinguished and admirable control structure is arranged in the intake grill or the exhaust outlet of described radiation fan (1), and described radiation fan (1) has a fan frame (10) and is installed in the interior flabellum (12) of described fan frame (10).
7. the distinguished and admirable control structure that is used for radiation fan according to claim 6 is characterized in that, is provided with the positioning hole (50) and positioning block (52) of corresponding fastening between described fan frame (10) and the described bonding frame (2).
8. the distinguished and admirable control structure that is used for radiation fan according to claim 6, it is characterized in that, described heat radiation module (4) is installed in an electro-heat equipment (6), and described electro-heat equipment (6) possesses to be had a main casing (60) and be arranged at the interior heating source of described main casing (60).
9. the distinguished and admirable control structure that is used for radiation fan according to claim 8, it is characterized in that, described main casing (60) is gone up contiguous described radiation fan (1) and is located to wear a positioning hole (70), and described bonding frame (2) be provided with one with the positioning block (72) of the corresponding fastening of described positioning hole (70).
10. the distinguished and admirable control structure that is used for radiation fan according to claim 9 is characterized in that, described main casing (60) is equipped with a plurality of radiation fans (1) that present paralleling model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201767533U CN201144844Y (en) | 2007-10-10 | 2007-10-10 | Air flow control structure for heat radiation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201767533U CN201144844Y (en) | 2007-10-10 | 2007-10-10 | Air flow control structure for heat radiation fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201144844Y true CN201144844Y (en) | 2008-11-05 |
Family
ID=40081720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201767533U Expired - Lifetime CN201144844Y (en) | 2007-10-10 | 2007-10-10 | Air flow control structure for heat radiation fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201144844Y (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102541222A (en) * | 2010-12-31 | 2012-07-04 | 鸿富锦精密工业（深圳）有限公司 | Rack-mounted server system |
| CN103133418A (en) * | 2011-11-25 | 2013-06-05 | 台达电子工业股份有限公司 | Countercurrent-preventing fan module and countercurrent-preventing device thereof |
| CN103369914A (en) * | 2012-03-29 | 2013-10-23 | 鸿富锦精密工业（深圳）有限公司 | Wind resistance device and electronic product with wind resistance device |
| CN103458650A (en) * | 2012-05-31 | 2013-12-18 | 鸿富锦精密工业（深圳）有限公司 | Fan fixing device |
| CN103458649A (en) * | 2012-05-30 | 2013-12-18 | 鸿富锦精密工业（深圳）有限公司 | Fan fixing device |
| CN103813685A (en) * | 2012-11-06 | 2014-05-21 | 鸿富锦精密工业（深圳）有限公司 | Fan fixing device |
| CN105472954A (en) * | 2012-03-28 | 2016-04-06 | 唐建宁 | Electronic product |
| CN105658031A (en) * | 2012-03-28 | 2016-06-08 | 唐建宁 | Choke device and electronic product having choke device |
| CN105722369A (en) * | 2014-12-03 | 2016-06-29 | 鸿富锦精密工业（深圳）有限公司 | Heat dissipation module and electronic device with same |
| CN106163220A (en) * | 2015-04-10 | 2016-11-23 | 纬创资通股份有限公司 | Flow guide mechanism, heat dissipation module with flow guide mechanism and electronic device |
| CN110410349A (en) * | 2019-09-02 | 2019-11-05 | 李�诚 | A kind of two-stage diagonal flow fan |
| CN111396346A (en) * | 2020-03-19 | 2020-07-10 | 浙江上风高科专风实业有限公司 | Check valve convenient to control for roof type fan |
| WO2021073437A1 (en) * | 2019-10-14 | 2021-04-22 | 中兴通讯股份有限公司 | Slat for backflow prevention, backflow prevention apparatus, and electronic device |
-
2007
- 2007-10-10 CN CNU2007201767533U patent/CN201144844Y/en not_active Expired - Lifetime
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102541222A (en) * | 2010-12-31 | 2012-07-04 | 鸿富锦精密工业（深圳）有限公司 | Rack-mounted server system |
| CN103133418B (en) * | 2011-11-25 | 2015-11-18 | 台达电子工业股份有限公司 | Counterflow-preventing blower module and backflow protection device thereof |
| CN103133418A (en) * | 2011-11-25 | 2013-06-05 | 台达电子工业股份有限公司 | Countercurrent-preventing fan module and countercurrent-preventing device thereof |
| CN105658031B (en) * | 2012-03-28 | 2018-02-16 | 江苏佳强照明电器有限公司 | A kind of electronic product |
| CN105472954A (en) * | 2012-03-28 | 2016-04-06 | 唐建宁 | Electronic product |
| CN105658031A (en) * | 2012-03-28 | 2016-06-08 | 唐建宁 | Choke device and electronic product having choke device |
| CN103369914A (en) * | 2012-03-29 | 2013-10-23 | 鸿富锦精密工业（深圳）有限公司 | Wind resistance device and electronic product with wind resistance device |
| CN103458649A (en) * | 2012-05-30 | 2013-12-18 | 鸿富锦精密工业（深圳）有限公司 | Fan fixing device |
| CN103458650A (en) * | 2012-05-31 | 2013-12-18 | 鸿富锦精密工业（深圳）有限公司 | Fan fixing device |
| CN103458650B (en) * | 2012-05-31 | 2016-12-07 | 马国旭 | Fan fixer |
| CN103813685A (en) * | 2012-11-06 | 2014-05-21 | 鸿富锦精密工业（深圳）有限公司 | Fan fixing device |
| CN105722369A (en) * | 2014-12-03 | 2016-06-29 | 鸿富锦精密工业（深圳）有限公司 | Heat dissipation module and electronic device with same |
| CN106163220A (en) * | 2015-04-10 | 2016-11-23 | 纬创资通股份有限公司 | Flow guide mechanism, heat dissipation module with flow guide mechanism and electronic device |
| CN106163220B (en) * | 2015-04-10 | 2018-07-06 | 纬创资通股份有限公司 | Flow guide mechanism, heat dissipation module with flow guide mechanism and electronic device |
| CN110410349A (en) * | 2019-09-02 | 2019-11-05 | 李�诚 | A kind of two-stage diagonal flow fan |
| WO2021073437A1 (en) * | 2019-10-14 | 2021-04-22 | 中兴通讯股份有限公司 | Slat for backflow prevention, backflow prevention apparatus, and electronic device |
| CN111396346A (en) * | 2020-03-19 | 2020-07-10 | 浙江上风高科专风实业有限公司 | Check valve convenient to control for roof type fan |
| CN111396346B (en) * | 2020-03-19 | 2021-02-19 | 浙江上风高科专风实业有限公司 | Check valve convenient to control for roof type fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081105 |