CN101943173A - Miniature cross flow fan - Google Patents
Miniature cross flow fan Download PDFInfo
- Publication number
- CN101943173A CN101943173A CN2010105081651A CN201010508165A CN101943173A CN 101943173 A CN101943173 A CN 101943173A CN 2010105081651 A CN2010105081651 A CN 2010105081651A CN 201010508165 A CN201010508165 A CN 201010508165A CN 101943173 A CN101943173 A CN 101943173A
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- axle
- rubber
- steel
- impeller
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
- F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a miniature cross flow fan, relating to the technical field of ventilation equipment. The cross flow fan comprises impellers, a left plate, a right plate, a coaming, a clapper, an air duct, a motor, a motor shaft, a bolt and a bearing, wherein the left side of the coaming and the left side of the clapper are fixedly connected with the left plate, and the right side of the coaming and the right side of the clapper are fixedly connected with the right plate; the air duct is formed between the coaming and the clapper; the impeller is arranged in the air duct; the impeller is a bucket rotiform body with blades on lateral sides; the diameter phi of the impeller is between 6 and 16mm; 1, 2 or more groups of impellers are arranged, and each blade group is provided with 8, 10 or 12 blades; the impeller comprises a steel shaft component, the blade group and an axial stress rubber component; the arch coaming is arranged under the blade group; and the air duct is formed between the clapper and the coaming, the air inlet angle of the air duct is between 0 and 90 degrees, and the air outlet angle is 180 degrees. The miniature cross flow fan has the advantages of small volume, heavy wind, stable operation and long service life, and can be widely used for ventilation and heat dissipation of lap tops and other various miniature valuable precise instruments.
Description
Technical field
The present invention is a kind of cross flow fan, and the miniature cross flow fan of particularly a kind of notebook computer heat transmission belongs to the preparing technical field of ventilation class cross flow fan.
Background technique
The multiple-blade centrifugal blower is adopted in current notebook computer cooling air draft, and the air draft wind speed is between 0.8-1m/s.Be subjected to blower fan structural constraint volume bigger, taken the very big space of notebook computer.Cross flow fan structure commonly used is seen Fig. 1 (A), (B), and in impeller, left side steel axle axle is subjected to be between rubber and the mid-game branch body structure, grafting mutually, and axle sleeve is fixed on the left sideboard by left side brackets; Right motor axle axle is subjected to be between rubber and the mid-game branch body structure, grafting mutually, and motor is fixed on the right sideboard by the right side support; Coaming plate is a semicircle, semi-enclosed, and the miniature air channel of forming with this coaming plate structure can not produce wind by facts have proved.The overall volume of above-mentioned prior art structure can't further be dwindled, and in notebook computer, can't be used as ventilation equipment to it.General cross flow fan diameter has all been gone up at φ 25, wants to reach φ below 20, even φ is to be difficult to the imagination below 10.
Summary of the invention
The objective of the invention is in the above-mentioned prior art, the volume of cross flow fan can not further dwindle, can not produce the defective of wind-force, provide a kind of can be in miniature electrical equipment equipment such as notebook computer, the miniature cross flow fan that ventilation and heat is used.
The technological scheme taked of the present invention is to achieve these goals: a kind of miniature cross flow fan, comprise impeller, left sideboard, right sideboard, coaming plate, hyoplastron, the air channel, motor, motor shaft, screw and bearing, fixedly connected with left sideboard in the left side of coaming plate and hyoplastron, fixedly connected with right sideboard in the right side of coaming plate and hyoplastron, form the air channel between coaming plate and the hyoplastron, impeller is in the air channel, impeller is the blade-carrying barrel-shaped wheel-shaped body of side, impeller diameter Φ is 6-16mm, impeller has 1 group, more than 2 groups or 2 groups, vane group has 8,10,12, or 14 blades, impeller comprises the steel shaft assembly, vane group and axle are subjected to rubber assembly.
Described impeller diameter Φ is 6,8,9,10,12,14 or 16mm.
The long n of described every group blade is 25-45mm.
The long n of described every group blade is 38mm.
The long n of described every group blade is 42mm.
Described steel shaft assembly is structure as a whole, comprise that steel axle, steel axle axle are subjected to rubber and mid-game, it is that center hole, steel axle axle are subjected to the outer shroud middle part of rubber that one groove is vertically arranged that steel axle axle is subjected to the lateral middle of rubber, the mid-game middle part is for being with 4 semicircular center holes of equally distributed evagination, it is that crimping is connected that the center hole at mid-game middle part is subjected to the groove of rubber with steel axle axle, steel axle axle is connected with the crimping of steel axle right-hand part by the center hole of rubber, and stretch out to the left side of steel shaft assembly steel axle left side; Described bearing is the self-lubricating function sliding bearing, is enclosed within on the steel axle left side of stretching out to the left side of steel shaft assembly, and rolling with steel axle left side is connected; Described left sideboard is a whole plate, and protrude left at the middle part, is indentations to the right, and bearing is in recess.
Described axle is structure as a whole by rubber assembly, comprise that the motor shaft axle is subjected to rubber and mid-game, it is that center hole, motor shaft axle are subjected to the outer shroud middle part of rubber that one groove is vertically arranged that the motor shaft axle is subjected to the lateral middle of rubber, its mid-game structure is identical with mid-game structure in the steel shaft assembly, and it is that crimping is connected that the center hole of mid-game is subjected to the groove of rubber with the motor shaft axle; Motor is the minisize dc brushless electric machine, also comprises motor fixing plate, motor fixing plate between motor and right sideboard, and motor is that screw is connected with motor fixing plate, right sideboard; Described motor shaft stretches out to the left, is inserted in the motor shaft axle and is subjected in the center hole of rubber, each other drive fit.
Described coaming plate is arc, and the back of a bow is arranged on the vane group lower position downwards; Hyoplastron is spill, and the both sides concave edge is asymmetric, and the right side concave edge turns forward slightly, and hyoplastron is arranged on vane group side top position; The air intake angle in air channel is 0 ° and 90 °, and the air-out angle is 180 °.
Blade is made of the hard attitude aluminum alloy strip of 0.15mm, is equally spaced along the center.It is that 45 silicone rubber of spending are made that steel axle axle is subjected to rubber and motor shaft axle to be subjected to rubber to adopt hardness.
Compared with prior art, the invention has the beneficial effects as follows:
(1) volume is little: be miniature cross flow fan, two ends do not have support, and it is arc that coaming plate is, steel shaft assembly and axle all are structure as a whole by rubber assembly, shared spatial volume has been gone up with centrifugal blower little 75% than former, be mini-plant, the ventilation and heat in little space provides new assurance.
(2) wind-force is big: owing to adopted the air intake angle is 0 ° and 90 °, the air-out angle is 180 ° new air channel, the minisize dc brushless electric machine, adjust voltage and current, wind speed can be adjusted between 1.2m/S-3.5m/S, can satisfy the usefulness of the hot ventilation and heat of notebook computer fully, fill up the technological gap that precision type instrument series products urgent need takes available ventilation to dispel the heat.
(3) operate steadily: steel shaft assembly and axle all are structure as a whole by rubber assembly, have so both simplified composite structure, play certain cushioning effect again when impeller runs up, and make impeller operation more steady; Long service life: bearing adopts has the self-lubricating function sliding bearing, guarantees that impeller can long-term smooth operation.
(4) be widely used: the ideal equipment that can be widely used as ventilation and heat such as notebook computer and other kinds minitype precious precision type instrument, LD.
Description of drawings
Accompanying drawing 1 (A) is: former cross flow fan structural drawing;
Accompanying drawing 1 (B) is: analyse and observe and air flow figure in former cross flow fan cross section;
Accompanying drawing 2 (A) is: structural drawing when impeller of the present invention is a group;
Accompanying drawing 2 (B) is: accompanying drawing 2 (A) A-A sectional view;
Accompanying drawing 3 (A) is: structural drawing when impeller of the present invention is a group;
Accompanying drawing 3 (B) is: enlarged view is looked on an impeller of the present invention left side;
Accompanying drawing 4 (A) is: steel axle main part master TV structure figure of the present invention;
Accompanying drawing 4 (B) is: steel axle main part left view of the present invention;
Accompanying drawing 5 (A) is: axle of the present invention is subjected to rubber assembly master TV structure figure;
Accompanying drawing 5 (B) is: axle of the present invention is subjected to the rubber assembly left view;
Accompanying drawing 6 is: mid-game structure enlarged view of the present invention;
Description of reference numerals: it is that mid-game diameter n is long for single group impeller blade that 1 steel shaft assembly, 11 steel axles, 12 steel axle axles are subjected to 3 in rubber 121 steel axle center holes 122 grooves 13 mid-games 2 vane group 21 blades to be subjected to rubber assembly 31 motor shaft axles to be subjected in rubber 311 motor shaft center holes 312 grooves 32 center hole 4 left sideboards 5 right sideboards 6 coaming plates 7 hyoplastrons 8 air channels, 9 motors, 91 motor fixing plates, 92 screws, 93 motor shafts, 10 bearing Φ
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
As Fig. 2 (A)-shown in Figure 7, a kind of miniature cross flow fan comprises impeller, and impeller comprises that steel shaft assembly 1, vane group 2 and axle are subjected to rubber assembly 3.Also comprise left sideboard 4, right sideboard 5, coaming plate 6, hyoplastron 7, air channel 8, motor 9, motor shaft 91, screw 92 and bearing 10, fixedly connected with left sideboard 4 in the left side of coaming plate 6 and hyoplastron 7, fixedly connected with right sideboard 5 in the right side of coaming plate 6 and hyoplastron 7, form air channel 8 between coaming plate 6 and the hyoplastron 7, impeller is in air channel 8, impeller is the barrel-shaped wheel-shaped body that side has blade 21, impeller diameter Φ is 12mm, impeller is 1 group, vane group 2 has 10 blades 21, every group blade 21 long n are 38mm, and the hard attitude aluminum alloy strip of blade 21 usefulness 0.15mm is made, and is equally spaced along the center.
Described steel shaft assembly 1 is structure as a whole, comprise that steel axle 11, steel axle axle are subjected to rubber 12 and mid-game 13, it is that steel axle center hole 121, steel axle axle are subjected to the outer shroud middle part of rubber 12 that a groove 122 is vertically arranged that steel axle axle is subjected to the lateral middle of rubber 12, mid-game 13 middle parts are for being with 4 semicircular middle center hole 32 of equally distributed evaginations, middle center hole 32 is connected by the groove 122 of rubber 12 for crimping with steel axle axle, steel axle center hole 121 is connected with the 11 right-hand part crimping of steel axle, and stretch out to the left side of steel shaft assembly 1 steel axle 11 left sides; Described bearing 10 is the self-lubricating function sliding bearing, is enclosed within on steel axle 11 left sides of stretching out to the left side of steel shaft assembly 1, and rolling with steel axle 11 left sides is connected; Described left sideboard 4 is a whole plate, and protrude left at the middle part, is indentations to the right, and bearing 10 is in recess.
Described axle is structure as a whole by rubber assembly 3, comprise that the motor shaft axle is subjected to rubber 31 and mid-game 13, it is that motor shaft center hole 311, motor shaft axle are subjected to the outer shroud middle part of rubber 31 that a groove 312 is vertically arranged that the motor shaft axle is subjected to the lateral middle of rubber 31, and the middle center hole 32 of its mid-game 13 is connected by the groove 312 of rubber 31 for crimping with the motor shaft axle; Motor is the minisize dc brushless electric machine, also comprises motor fixing plate 91, motor fixing plate 91 between motor 9 and right sideboard 5, and motor 9 is fixedlyed connected with screw 92 with motor fixing plate 91, right sideboard 5; Described motor shaft 93 stretches out to the left, is inserted in the motor shaft center hole 311, each other drive fit.
It is that 45 silicone rubber of spending are made that steel axle axle is subjected to rubber 12 and motor shaft axle to be subjected to rubber 31 to adopt hardness.
Described coaming plate 6 is arc, and the back of a bow is arranged on vane group 2 lower positions downwards; Hyoplastron 7 is spill, and the both sides concave edge is asymmetric, and the right side concave edge turns forward slightly, and hyoplastron 7 is arranged on vane group 2 side top positions; The air intake angle in air channel 8 is 0 ° and 90 °, and the air-out angle is 180 °.
As Fig. 2 (A)-shown in Figure 7, following table is embodiment 2 to 7 impeller diameter and a blade number:
Surplus with embodiment 1.
As Fig. 2 (B)-shown in Figure 8, embodiment 8 impeller is 2 groups, and the mid-game number is 3, and is surplus with embodiment 1.
As Fig. 2 (B)-Fig. 7 and shown in Figure 9, embodiment 9 impeller is 3 groups, and the mid-game number is 4, surplus same EXAMPLE l.
Embodiment 10
As Fig. 2 (A)-shown in Figure 7, described every group blade 21 long n are 42mm.Surplus with embodiment 1.
Above-described embodiment, the present invention's 10 kinds of embodiment more preferably just, the common variation that those skilled in the art carries out in the technical solution of the present invention scope and replacing all should be included in protection scope of the present invention.
Claims (8)
1. miniature cross flow fan, comprise impeller, left sideboard, right sideboard, coaming plate, hyoplastron, air channel, motor, motor shaft, screw and bearing, fixedly connected with left sideboard in the left side of coaming plate and hyoplastron, fixedly connected with right sideboard in the right side of coaming plate and hyoplastron, form the air channel between coaming plate and the hyoplastron, impeller is in the air channel, impeller is the blade-carrying barrel-shaped wheel-shaped body of side, it is characterized in that: impeller diameter Φ is 6-16mm, impeller has 1 group, more than 2 groups or 2 groups, vane group has 8,10 or 12 blades, and impeller comprises that steel shaft assembly, vane group and axle are subjected to rubber assembly.
2. a kind of miniature cross flow fan according to claim 1 is characterized in that: described impeller diameter Φ is 6,8,9,10,12,14 or 16mm.
3. a kind of miniature cross flow fan according to claim 1 is characterized in that: the long n of described every group blade is 25-45mm.
4. a kind of miniature cross flow fan according to claim 3 is characterized in that: the long n of described every group blade is 38mm.
5. a kind of miniature cross flow fan according to claim 3 is characterized in that: the long n of described every group blade is 42mm.
6. a kind of miniature cross flow fan according to claim 1, it is characterized in that: described steel shaft assembly is structure as a whole, comprise that steel axle, steel axle axle are subjected to rubber and mid-game, it is that center hole, steel axle axle are subjected to the outer shroud middle part of rubber that one groove is vertically arranged that steel axle axle is subjected to the lateral middle of rubber, the mid-game middle part is for being with 4 semicircular center holes of equally distributed evagination, it is that crimping is connected that the center hole at mid-game middle part is subjected to the groove of rubber with steel axle axle, steel axle axle is connected with the crimping of steel axle right-hand part by the center hole of rubber, and stretch out to the left side of steel shaft assembly steel axle left side; Described bearing is the self-lubricating function sliding bearing, is enclosed within on the steel axle left side of stretching out to the left side of steel shaft assembly, and rolling with steel axle left side is connected; Described left sideboard is a whole plate, and protrude left at the middle part, is indentations to the right, and bearing is in recess.
7. according to claim 1 or 6 described a kind of miniature cross flow fans, it is characterized in that: described axle is structure as a whole by rubber assembly, comprise that the motor shaft axle is subjected to rubber and mid-game, it is that center hole, motor shaft axle are subjected to the outer shroud middle part of rubber that one groove is vertically arranged that the motor shaft axle is subjected to the lateral middle of rubber, its mid-game structure is identical with mid-game structure in the steel shaft assembly, and it is that crimping is connected that the center hole of mid-game is subjected to the groove of rubber with the motor shaft axle; Motor is the minisize dc brushless electric machine, also comprises motor fixing plate, motor fixing plate between motor and right sideboard, and motor is that screw is connected with motor fixing plate, right sideboard; Described motor shaft stretches out to the left, is inserted in the motor shaft axle and is subjected in the center hole of rubber, each other drive fit.
8. a kind of miniature cross flow fan according to claim 1, it is characterized in that: described coaming plate is arc, and the back of a bow is arranged on the vane group lower position downwards; Hyoplastron is spill, and the both sides concave edge is asymmetric, and the right side concave edge turns forward slightly, and hyoplastron is arranged on vane group side top position; The air intake angle in air channel is 0 ° and 90 °, and the air-out angle is 180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105081651A CN101943173B (en) | 2010-10-15 | 2010-10-15 | Miniature cross flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105081651A CN101943173B (en) | 2010-10-15 | 2010-10-15 | Miniature cross flow fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101943173A true CN101943173A (en) | 2011-01-12 |
| CN101943173B CN101943173B (en) | 2013-04-10 |
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ID=43435329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105081651A Expired - Fee Related CN101943173B (en) | 2010-10-15 | 2010-10-15 | Miniature cross flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101943173B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586471A (en) * | 2021-07-21 | 2021-11-02 | 杭州微光电子股份有限公司 | Novel cross-flow fan of multipurpose |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1421795A (en) * | 1972-07-06 | 1976-01-21 | Girolamo S Di | Fanwheel for a transverse-flow fan and fan fitted with such wheel |
| US5281092A (en) * | 1991-01-18 | 1994-01-25 | Sullivan John T | Volute housing for a centrifugal fan, blower or the like |
| CN2498375Y (en) * | 2000-07-19 | 2002-07-03 | 松下电器产业株式会社 | Axial fan |
| CN201133384Y (en) * | 2007-11-29 | 2008-10-15 | 四川长虹电器股份有限公司 | Cross-flow fan |
| CN201818523U (en) * | 2010-10-15 | 2011-05-04 | 余姚天超通风设备有限公司 | Minisize cross-flow fan |
-
2010
- 2010-10-15 CN CN2010105081651A patent/CN101943173B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1421795A (en) * | 1972-07-06 | 1976-01-21 | Girolamo S Di | Fanwheel for a transverse-flow fan and fan fitted with such wheel |
| US5281092A (en) * | 1991-01-18 | 1994-01-25 | Sullivan John T | Volute housing for a centrifugal fan, blower or the like |
| CN2498375Y (en) * | 2000-07-19 | 2002-07-03 | 松下电器产业株式会社 | Axial fan |
| CN201133384Y (en) * | 2007-11-29 | 2008-10-15 | 四川长虹电器股份有限公司 | Cross-flow fan |
| CN201818523U (en) * | 2010-10-15 | 2011-05-04 | 余姚天超通风设备有限公司 | Minisize cross-flow fan |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586471A (en) * | 2021-07-21 | 2021-11-02 | 杭州微光电子股份有限公司 | Novel cross-flow fan of multipurpose |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101943173B (en) | 2013-04-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 315400 Yu Yaotianchao ventilation equipment Co., Ltd., 90 Haitong Road, Yuyao Si Industrial Zone, Yuyao, Zhejiang Applicant after: Yuyao Tianchao Ventilation Equipment Co., Ltd. Address before: 315400 Yuyao days Super ventilation equipment Co., Ltd. of Zhejiang province Yuyao Si North Town Si Si City Applicant before: Yuyao Tianchao Ventilation Equipment Co., Ltd. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20191015 |
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| CF01 | Termination of patent right due to non-payment of annual fee |