CN202833220U - Three-dimensional flow hybrid draught fan - Google Patents
Three-dimensional flow hybrid draught fan Download PDFInfo
- Publication number
- CN202833220U CN202833220U CN2012204639453U CN201220463945U CN202833220U CN 202833220 U CN202833220 U CN 202833220U CN 2012204639453 U CN2012204639453 U CN 2012204639453U CN 201220463945 U CN201220463945 U CN 201220463945U CN 202833220 U CN202833220 U CN 202833220U
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- CN
- China
- Prior art keywords
- dimensional flow
- impeller
- blower fan
- mixing blower
- fluid director
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a three-dimensional flow hybrid draught fan which comprises an air-collecting device, a three-dimensional flow impeller, an airduct, a rear fluid director, a base seat and a motor. The three-dimensional flow hybrid draught fan is characterized in that the three-dimensional flow impeller comprises an impeller inner cone cover, an external cone cover and a blade group. The air-collecting device is connected with a muzzle bell of the three-dimensional flow impeller. The motor is connected with one end of the rear fluid director, and the other end of the rear fluid director is connected with the airduct which is fixed on the base seat. The purpose that resources are saved except the impeller of the draught fan is achieved. Noise is reduced, operating efficiency of the system is greatly improved, environment is staticized, and a comfortable and healthful living space is provided for human beings.
Description
Technical field
The utility model relates to the blower fan technical field, particularly a kind of three-dimensional flow mixing blower fan.
Background technique
To be China be called for short the custom of gas compression and gas conveying machinery blower fan, and be about to mechanical energy and be converted to gas pressure energy and kinetic energy, and the machinery that gas is transferred out, usually said blower fan comprises ventilator, blower, wind-driven generator.
The main structural components of blower fan is impeller, casing, intake grill, support, motor, belt pulley, coupling, baffler, driving component (bearing) etc.
At present in all kinds of machineries of China's all trades and professions and electrical equipment, account for 60% of national motor installation amount with the motor of matched with blower, consume electric energy and account for the whole nation 1/3rd of the total amount of generating electricity.The blower fan that is applied to various commerce, industry, agricultural projects commonly used on the market mainly adopts the two-dimensional current braking technique, because of the variation of the aspects such as production, technique, and the flow of the frequent adjustments of gas of needs, pressure, temperature etc.; The height of common two-dimensional current impeller technique degree has a strong impact on the utility of blower fan, and the gap of the output of impeller and fan casing has not only increased the efficient that its noise also greatly reduces blower fan.Now on the market common flow-mixing blower fan design is unreasonable mostly, impeller can't satisfy the theory of three-dimensional flow theory design, there is not complete machine optimum organization, cause fan efficiency to only have 50% to 60%, not only wasted the valuable energy, and degree of regulation is poor, is difficult to satisfy the requirement of the aspects such as modernization industry production and service, and negative effect is very serious.
The model utility content
Large for existing fan noise, efficient is low, the technical problem that can't meet the need of market and defective, the purpose of this utility model provide a kind of three-dimensional flow mixing blower fan of efficient, energy-conservation, low noise.
In order to achieve the above object, the utility model embodiment provides following technological scheme: a kind of three-dimensional flow mixing blower fan, comprise wind collecting unit, three-dimensional flow impeller, air duct, rear fluid director, base and motor, it is characterized in that, the three-dimensional flow impeller comprises impeller inner conical drogue, external conical sleeve and vane group, and wind collecting unit is connected with the running-on of three-dimensional flow impeller, and motor is connected with an end of rear fluid director, the other end of rear fluid director is connected with air duct, and air duct is fixed on the base.
Preferred as technique scheme, described wind collecting unit is arcuate structure, and and impeller outer tapered sleeve entrance between form the radial clearance of 1.5 ~ 3.5mm.
Preferred as technique scheme, described vane group is comprised of 4 ~ 9 blades, and blade is spatial warping template or circular arc template.。
Preferred as technique scheme, described three-dimensional flow impeller is made by aluminum alloy or stainless steel or plastics or carbon steel material.
Preferred as technique scheme, the impeller inner conical drogue of described three-dimensional flow and external conical sleeve all be conical and with the coaxial installation of wind collecting unit.
Preferred as technique scheme, the impeller inner conical drogue taper ratio of described three-dimensional flow is 1:0.5 ~ 1:0.76; The taper ratio of external conical sleeve is 1:0.88 ~ 1:0.91.
Preferred as technique scheme,, the material of described air duct is galvanized steel plain sheet or cold rolled sheet.
Preferred as technique scheme, described rear fluid director is made of guide plate, is wing arc or straight plate arc, and quantity is 5 ~ 16.
Preferred as technique scheme, 1 ~ 4mm is located to keep at a distance in the air outlet of described fluid director and three-dimensional flow impeller.
Beneficial effect
The utility model has been realized the again energy saving of blower fan except impeller by the optimal design to complete machine, reduces noise, makes fan efficiency improve 10% ~ 15%, than A sound level reducing noise 4 ~ 6dB.Compare with common mixing blower fan, the utility model is more effective to have reduced leakage, improved blower fan efficient, saved the energy, staticized environment.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of three-dimensional flow mixing of the utility model embodiment blower fan;
Fig. 2 is the plan view of a kind of three-dimensional flow mixing of the utility model embodiment blower fan;
Fig. 3 is the side structure schematic diagram of a kind of three-dimensional flow mixing of the utility model embodiment blower fan;
Fig. 4 is the rear view of a kind of three-dimensional flow mixing of the utility model embodiment blower fan;
Fig. 5 is the utility model air flow direction schematic diagram.
Embodiment
Below in conjunction with accompanying drawing of the present utility model, the technical solution of the utility model is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Shown in Fig. 1-4, a kind of three-dimensional flow mixing blower fan, comprise wind collecting unit 1, three-dimensional flow impeller 2, air duct 3, rear fluid director 4, base 5 and motor 6, it is characterized in that, three-dimensional flow impeller 2 comprises impeller inner conical drogue 21, external conical sleeve 22 and vane group 23, and wind collecting unit 1 is connected with the running-on of three-dimensional flow impeller 2, and motor 6 is connected with rear fluid director 4 one ends, rear fluid director 4 the other ends are connected with air duct 3, and air duct 3 is fixed on the base 5.
Preferred as technique scheme, described slip ring 1 be arcuate structure, can the importing impeller channel with steady air current in, the flow losses of reduction air-flow; And and impeller outer tapered sleeve 22 entrances between form the radial clearance of 1.5 ~ 3.5mm, form good air intake line style, the leak-down rate of inlet stream is reduced, reduce the loss of air-flow, its efficient is improved greatly, staticize environment.
Preferred as technique scheme, described vane group 23 is comprised of 4 ~ 9 blades, blade is spatial warping template or circular arc template, be weldingly fixed between external conical sleeve and the inner conical drogue by three-major-items welding fabrication method, the three-dimensional flow design concept that it is unique, single width aerocurve type blade has effectively increased the area of contact with air, increase gas flow and increase pressure, reduce the formation of air-flow separation on blade surface, friction and air-flow whirlpool, reduced the secondary loss of fan airflow, efficient is greatly improved, and reduces aerodynamic noise.
Preferred as technique scheme, described three-dimensional flow impeller 2 is processed into by welding, riveted joint, cast inblock, mold pressing by aluminum alloy or stainless steel or plastics or carbon steel material.
Preferred as technique scheme, the impeller inner conical drogue 21 of described three-dimensional flow impeller 2 and external conical sleeve 22 all be conical and with the coaxial installation of wind collecting unit.
Preferred as technique scheme, inner conical drogue 21 taper ratios of described three-dimensional flow impeller 2 are 1:0.5 ~ 1:0.76; The taper ratio of external conical sleeve 22 is 1:0.88 ~ 1:0.91.The design of common impeller and casing all is that a certain proportion of gap is arranged on the market, not only can produce noise at air-flow during by this gap, also greatly reduce the working efficiency of blower fan, when air-flow enters three-dimensional flow impeller 2 described in the utility model, under the guiding of impeller inner conical drogue 21, external conical sleeve 22, can not produce flow losses with casing again, reasonably taper ratio increases the area of contact of impeller and air-flow, and its runner is increased, and raises the efficiency; External conical sleeve 22 at the exhaust outlet place of impeller designs also that the anti-backflow flange can effectively reduce because the energy loss that refluxes and cause is raised the efficiency again.
Preferred as technique scheme, the material of described air duct 3 is galvanized steel plain sheet or cold rolled sheet, the stack shell flanging process is full-automatic single forming.
Preferred as technique scheme, described rear fluid director 4 are made of guide plate, are wing arc or straight plate arc, and quantity is 5 ~ 16.
Preferred as technique scheme, 1 ~ 4mm keeps at a distance at the place, air outlet of described fluid director 4 and three-dimensional flow impeller 2.Guide plate can reduce the eddy current that impeller produces, and reduces in-fighting and noise; When the gas of High Rotation Speed from impeller out after, can effectively this turbulent flow be transformed into laminar flow by guide plate, dynamic pressure is converted into static pressure, can effectively improve service behaviour.
The above; it only is embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (9)
1. three-dimensional flow mixing blower fan, comprise wind collecting unit, three-dimensional flow impeller, air duct, rear fluid director, base and motor, it is characterized in that, the three-dimensional flow impeller comprises impeller inner conical drogue, external conical sleeve and vane group, wind collecting unit is connected with the running-on of three-dimensional flow impeller, motor is connected with an end of rear fluid director, and the other end of rear fluid director is connected with air duct, and air duct is fixed on the base.
2. a kind of three-dimensional flow mixing blower fan according to claim 1 is characterized in that, described wind collecting unit is arcuate structure, and and impeller outer tapered sleeve entrance between form the radial clearance of 1.5 ~ 3.5mm.
3. a kind of three-dimensional flow mixing blower fan according to claim 1 is characterized in that, described vane group is comprised of 4 ~ 9 blades, and blade is spatial warping template or circular arc template.
4. according to claim 1 or 3 described a kind of three-dimensional flow mixing blower fans, it is characterized in that, described three-dimensional flow impeller is made by aluminum alloy or stainless steel or plastics or carbon steel material.
5. a kind of three-dimensional flow mixing blower fan according to claim 1 is characterized in that, the impeller inner conical drogue of described three-dimensional flow and external conical sleeve all be conical and with the coaxial installation of wind collecting unit.
6. a kind of three-dimensional flow mixing blower fan according to claim 1 or 5 is characterized in that, the impeller inner conical drogue taper ratio of described three-dimensional flow is 1:0.5 ~ 1:0.76; The taper ratio of external conical sleeve is 1:0.88 ~ 1:0.91.
7. a kind of three-dimensional flow mixing blower fan according to claim 1 is characterized in that, the material of described air duct is galvanized steel plain sheet or cold rolled sheet.
8. a kind of three-dimensional flow mixing blower fan according to claim 1 is characterized in that, described rear fluid director is made of guide plate, is wing arc or straight plate arc, and quantity is 5 ~ 16.
9. according to claim 1 or 8 described a kind of three-dimensional flow mixing blower fans, it is characterized in that, 1 ~ 4mm keeps at a distance at the place, air outlet of described fluid director and three-dimensional flow impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204639453U CN202833220U (en) | 2012-09-13 | 2012-09-13 | Three-dimensional flow hybrid draught fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204639453U CN202833220U (en) | 2012-09-13 | 2012-09-13 | Three-dimensional flow hybrid draught fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202833220U true CN202833220U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204639453U Expired - Fee Related CN202833220U (en) | 2012-09-13 | 2012-09-13 | Three-dimensional flow hybrid draught fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202833220U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107006989A (en) * | 2015-12-11 | 2017-08-04 | 戴森技术有限公司 | Motor and the hand-held product with motor |
-
2012
- 2012-09-13 CN CN2012204639453U patent/CN202833220U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107006989A (en) * | 2015-12-11 | 2017-08-04 | 戴森技术有限公司 | Motor and the hand-held product with motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20170913 |