CN2727467Y - Device for increasing wind rate of fan - Google Patents
Device for increasing wind rate of fan Download PDFInfo
- Publication number
- CN2727467Y CN2727467Y CN 200420092900 CN200420092900U CN2727467Y CN 2727467 Y CN2727467 Y CN 2727467Y CN 200420092900 CN200420092900 CN 200420092900 CN 200420092900 U CN200420092900 U CN 200420092900U CN 2727467 Y CN2727467 Y CN 2727467Y
- Authority
- CN
- China
- Prior art keywords
- fan
- passive
- flabellum
- active
- air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a device for increasing the wind capacity of the fan, mainly comprising a hollow frame body and a passive fan blade. The frame body is fixed on the wind inlet of the active fan blade fan, and one side of the frame body is extended with a guard net structure. The passive fan blade is pivoted on the center of the guard net of the frame body, wherein, through a contraflexure angle formed by the flow deflector of the passive fan blade and the active fan blade, air currents produced when the active fan blade of the fan rotates are made to impulse the passive fan to rotate reversely, the angle of the air current entering to an active fan is effectively altered when the passive fan rotates, and the air capacity that passes through the interval of the blades in unit time is effectively increased, so as to make the wind capacity of the fan be effectively raised when the fan rotates under a fixed rotating speed.
Description
Technical field
The utility model provides a kind of device that increases air quantity of fan.
Background technique
Along with making rapid progress of science and technology; the treatment efficiency of host computer is from strength to strength the time; relatively also produce very surprising high temperature; therefore it is indispensable by present host computer or its equipment to install dynamical radiator; make the temperature of host computer effectively be reduced to general processing temperature by the thermolysis that radiator produced; associated electrical parts such as central processing unit (CPU) with the protection main frame; make the sustainable maintenance normal operation condition of main frame, reduce the damage of part or the anxiety of deadlock.
The most common in the present radiator, also be simultaneously that the radiating mode that most convenient is installed is a fan-cooled radiator.
Yet in the fan-cooled radiator, but most important member is the radiation fan of active rotation, active rotation by this radiation fan is to produce air-flow, make air-flow pass through its radiating fin of being fixed with fixed-direction and speed, make air-flow and radiating fin produce heat exchange, to take away the high heat on the radiating fin.
Therefore, wind speed that radiation fan produced and air quantity are determining the radiating effect of radiator, and the wind speed that the rotation of the flabellum of fan is produced will influence the air quantity that fan produces, in brief, wind speed is high more, the air quantity that is produced is then big more, and its radiating effect is good relatively more, but high-revolving flabellum body, power that it consumed and generation noise are also just big relatively more, and the very easy serious burden that causes power supply unit.
Based on above-mentioned defective, how to make fan under certain flabellum rotating speed, effectively promote the problem that its air quantity solves by the anxious desire of the utility model.
In view of in this, the utility model people carries out broad research to this fan, thereby finishes the utility model.
Novel content
Main purpose of the present utility model is to provide a kind of device that can effectively improve the increase air quantity of fan of air quantity of fan, and it mainly comprises:
One hollow framework has an intake grill, is fixed with initiatively flabellum fan in the intake grill;
One passive flabellum is articulated in the center of this framework;
It is characterized in that this passive flabellum guide plate has the guide plate opposite curvature angle with this active fans.
Thereby, making initiatively, flabellum and passive flabellum are mutually counterrotating, make the rotation of passive fan change the angle that air-flow enters active fans, air air quantity by the impeller clearance in the unit time is increased, make fan be able under a fixed rotating speed, effectively be promoted the air quantity of its fan, thereby make rate of heat exchange be able to effective lifting.
According to the device of increase air quantity of fan of the present utility model, wherein air quantity is meant the volume of air of passing through the cross section of fan outlet in a unit time.
Device according to increase air quantity of the present utility model, the formula of air quantity is: air quantity=wind speed * mistake wind area, wherein wind speed is determined by the active flabellum rotating speed of fan, and the so-called wind area of crossing is meant in the total blast volume of active guide plate spacing in the unit time.
The utility model is crossed the wind area by what improve guide plate initiatively, makes its air quantity that initiatively flabellum produced be able to effective lifting.
According to the device of increase air quantity of fan of the present utility model, wherein passive fan becomes the back-flexing angle with the guide plate of active flabellum respectively.
Therefore when the passive fan air-flow that driven by active fans promotes rotation, it turns to active fans and becomes counterrotating, and the guide plate one-tenth by passive fan and flabellum initiatively opposite to bend angle, make the air-flow that enters passive fan change its angle because of passive guide plate, make air-flow be the guide plate gap that an angle enters active fans, active fans can effectively be promoted it and cross the wind area in not increasing under the rotating speed.
The device of increase air quantity of fan of the present utility model, but the inlet side one of wherein being located at the hollow framework is extended a protecting wire net structure, and this protecting wire net structure can prevent that external force from influencing passive flabellum, unlikelyly influences passive flabellum and rotates because of foreign matter hinders.
The device of increase air quantity of fan of the present utility model wherein mutually extends between the blade face of passive guide plate and is fixed with a fixing rib, makes that each passive guide plate is unlikely to produce inclined to one side dynamic deformation because of the promotion that is subjected to air-flow.
For further understanding feature of the present utility model and effect, further described in detail in conjunction with the accompanying drawings with following instantiation, this instantiation and accompanying drawing only make those skilled in the art be easier to understand technical characteristics of the present utility model in order to explanation, but not in order to limit scope of the present utility model.
Description of drawings
Fig. 1: the three-dimensional exploded view that increases the device cooperation fan of air quantity of fan for the utility model.
Fig. 2: the structural profile schematic representation that is assembled in fan for the device of the utility model increase air quantity of fan.
Embodiment
See also Fig. 1, Fig. 1 increases the three-dimensional exploded view of the device cooperation fan of air quantity of fan for the utility model.It mainly is made up of the utility model a hollow framework 20, one passive flabellum 30, wherein framework 20 is fixedly arranged on the air inlet side 11 of fan 10 by the solid lock element 40 of for example screw, and the air inlet side 21 of framework 20 is extended a protecting wire net structure 211 to the center of framework 20; Wherein passive flabellum 30 is articulated in the center of framework 20 protecting wire net structures 211, and 31 of the guide plates of passive flabellum 30 are connected with fixing rib 311 respectively, wherein passive guide plate 31 respectively with the active flabellum 12 of fan 10 on active guide plate 121 be the back-flexing angle, the air-flow that makes active flabellum 12 active rotation of fan 10 be driven can promote passive flabellum 30, makes it to be counterrotating with flabellum 12 initiatively.
See also Fig. 2, Fig. 2 is assembled in the structural profile schematic representation of fan for the device of the utility model increase air quantity of fan.The device of increase air quantity of fan of the present utility model, wherein passive flabellum 30 is located at the air inlet side 11 of fan 10;
Therefore, when the active flabellum 12 of fan 10 rotates, wherein initiatively guide plate 121 drive air are an axial flow and produce air-flow, air-flow can promote passive fan 30 stressed rotating in the framework 20 that is articulated, and because the passive guide plate 31 of passive fan 30 and 121 one-tenth back-flexing angles each other of active guide plate, therefore passive flabellum 30 is counterrotating with active flabellum 12;
When passive flabellum 30 is subjected to air-flow to promote rotation, passive flabellum can borrow passive guide plate 31 disturbances to change the air-flow angle of passing through its gap 312, make air-flow by passive flabellum 30 gaps 312 be an angle and enter initiatively flabellum 12, make the active guide plate 121 of fan 10 enter the initiatively angle convergence parastate in the gap 122 of flabellum 12 with air-flow, make the gap 122 of active guide plate 121 just can cater to air-flow and air-flow is entered in the gap 122 of active flabellum 12 smoothly, initiatively flabellum 12 can be under certain rotating speed in order, it is crossed the wind area and is able to effective lifting, makes the air quantity of fan effectively increase.
Please consult Fig. 1 once more, the device of increase air quantity of fan of the present utility model, extend mutually between the blade face of the passive guide plate 31 on the wherein passive flabellum 30 and be fixed with a fixing rib 311, but the passive guide plate 31 of these fixing rib 311 efficient hardenings makes that the passive guide plate of each sheet 31 is unlikely to promote to produce inclined to one side dynamic deformation because of air-flow.
In addition, the device of increase air quantity of fan of the present utility model, wherein the air inlet side 21 of hollow framework 20 is extended a protecting wire net structure 211 to the center of framework 20, and this protecting wire net structure 211 can effectively prevent foreign body intrusion, avoids passive flabellum 30 obstructed by external force (thing) and stops operating.
To sum up institute is old, advantage of the present utility model is: the suction port place of fan is provided with a passive flabellum, the passive rotation mode of the guide plate of this passive flabellum, making the air-flow that enters fan air intake be an angle parallel with active flabellum convergence enters, air-flow is able to smoothly in the active guide plate spacing of the active flabellum by fan, make active fans effectively be promoted its air quantity in not increasing under the rotating speed.
The above only is a preferred embodiment of the present utility model, is not to be used for limiting the scope that the utility model is implemented.So all equalizations of being done according to described shape structure characteristics of the utility model claim and spirit change and modify, and all should be contained in the essential scope of the present utility model.
Claims (4)
1. device that increases air quantity of fan comprises:
One hollow framework has an intake grill, and the intake grill place is fixed with initiatively flabellum fan;
One passive flabellum is articulated in the center of this framework;
It is characterized in that: this passive flabellum guide plate has the guide plate opposite curvature angle with this active fans.
2. the device of increase air quantity of fan as claimed in claim 1 is characterized in that: a protecting wire net structure also is installed beyond the passive flabellum in the inlet side of this framework.
3. the device of increase air quantity of fan as claimed in claim 2 is characterized in that: this passive flabellum is articulated in the center of protecting wire net structure.
4. a kind of according to claim 1 device that increases air quantity of fan is characterized in that: be connected with a fixing rib between the guide plate of this passive flabellum respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420092900 CN2727467Y (en) | 2004-09-24 | 2004-09-24 | Device for increasing wind rate of fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420092900 CN2727467Y (en) | 2004-09-24 | 2004-09-24 | Device for increasing wind rate of fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2727467Y true CN2727467Y (en) | 2005-09-21 |
Family
ID=35043482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420092900 Expired - Fee Related CN2727467Y (en) | 2004-09-24 | 2004-09-24 | Device for increasing wind rate of fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2727467Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161741A (en) * | 2011-12-09 | 2013-06-19 | 台达电子工业股份有限公司 | Circulating fan and air ducting thereof |
| CN103307001A (en) * | 2009-11-23 | 2013-09-18 | 建准电机工业股份有限公司 | Heat radiation fan |
-
2004
- 2004-09-24 CN CN 200420092900 patent/CN2727467Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307001A (en) * | 2009-11-23 | 2013-09-18 | 建准电机工业股份有限公司 | Heat radiation fan |
| CN103161741A (en) * | 2011-12-09 | 2013-06-19 | 台达电子工业股份有限公司 | Circulating fan and air ducting thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3094737U (en) | cooling fan | |
| WO2015139491A1 (en) | Air-outlet protection structure, outdoor unit of air conditioner and design method for air-outlet protection structure | |
| TWM597825U (en) | Cooling fan module with backflow prevention function and host system including the same | |
| CN2727467Y (en) | Device for increasing wind rate of fan | |
| CA2276504A1 (en) | Micro fan | |
| CN1920309A (en) | Eccentric fan for indoor cabinet air conditioner | |
| CN1805626A (en) | Electromagnetic oven with turbo fan | |
| CN200982316Y (en) | Ladder type scroll case centrifugal fan | |
| CN1932303A (en) | Fan frame with flow guiding stator blade and fan | |
| CN101044324A (en) | Fan stator | |
| CN202679887U (en) | Wind-pressure enhanced radiating module | |
| CN2483754Y (en) | Radiator of portable computer | |
| CN1912396A (en) | Passive fan assembly | |
| CN103161769A (en) | Backflow resistant structure | |
| CN214660486U (en) | Intercooler | |
| CN213392780U (en) | Outdoor machine of air conditioner | |
| CN2658443Y (en) | Guide structure of radiating fan | |
| CN1838027A (en) | Computer heat radiation system and heat radiation method | |
| CN1309065C (en) | Radiation device for electronic element | |
| CN201827151U (en) | Blowing device of transformer | |
| CN1940308A (en) | Fan and its frame | |
| CN205608650U (en) | Heat dissipation computer | |
| WO2016197377A1 (en) | Heat dissipation fan | |
| CN101749282A (en) | Fan, heat dissipation module and computer adopting fan and method for reducing noise of fan | |
| CN1230628C (en) | Heat sink and fan structure thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BAO-RUI TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: XINGRU ENTERPRISE CO LTD Effective date: 20061020 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20061020 Address after: Taoyuan City, Taoyuan County of Taiwan province by the State Road No. 888 15 Floor 2 Patentee after: Enermax Technology Corporation Address before: The new station of Taiwan province Sijhih City five road No. 77 12 floor 7 (B building) Patentee before: Power Cooler Enterprise Co., Ltd. |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |