CN201318320Y - Cross flow fan - Google Patents
Cross flow fan Download PDFInfo
- Publication number
- CN201318320Y CN201318320Y CNU200820169708XU CN200820169708U CN201318320Y CN 201318320 Y CN201318320 Y CN 201318320Y CN U200820169708X U CNU200820169708X U CN U200820169708XU CN 200820169708 U CN200820169708 U CN 200820169708U CN 201318320 Y CN201318320 Y CN 201318320Y
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- CN
- China
- Prior art keywords
- blade
- mid
- game
- vanes
- central disc
- 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 - Lifetime
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Abstract
The utility model relates to a cross flow fan which comprises vanes and a central disc. The vanes(3)are inserted into a slotted hole(1)of the central disc(2) and are arranged along the circumference of the central disc(2) to form a cylinder; the vanes(3)are arranged at equal intervals along the circumference of the central disc(2); and the angle Alpha between the vanes(3)and the central axis of the central disc(2) is between 19 degrees and 35 degrees. Under the same condition, the cross flow fan with the angle Alpha between the vanes(3)and the central axis of the central disc(2)being 19-35 degrees has big air volume and the highest working efficiency.
Description
Technical field
The utility model relates to a kind of ventilation equipment, relates in particular to HVAC class tubular wine wheel.
Background technique
At present, known tubular wine wheel mainly is made up of mid-game and blade, and wind wheel places in the air channel, and by the driven by motor running, gas enters wind wheel from a side of rotor outer rim, passes wind wheel inside then and discharges from opposite side.Because the uncertain factor of the blade angle of wind wheel under the same conditions, directly has influence on the usability of blower fan, for example air quantity and working efficiency, the blade angle setting of existing wind wheel does not perform to the usability of blower fan best.
Summary of the invention
The purpose of this utility model is to have the technological deficiency that tubular wine wheel exists now in order to solve, and it is big to disclose a kind of air quantity, the axial-flow fan of high working efficiency.
In order to realize above-mentioned purpose, the utility model has adopted following technological scheme:
Tubular wine wheel, comprise blade and mid-game, blade inserts in the slotted eye of mid-game and forms tubular along the circumferential arrangement of mid-game, and blade is equally spaced along the circumference of mid-game, the central axis of blade and mid-game is angle α, and the span of described α is between 19 °-35 °.
As preferably, the span of described α is between 27 °-29 °.
As preferably, described α is 27 °.
As preferably, described α is 28 °.
As preferably, described α is 29 °.
Owing to adopted the tubular wine wheel of above-mentioned technological scheme, the central axis of blade and mid-game is angle α, the span of α is between 19 °-35 °, under the same conditions, the central axis angle of blade and mid-game uses the tubular wine wheel of above-mentioned angle, air quantity is big, and working efficiency is the highest, and wherein especially the span of α is an air quantity maximum between 27 °-29 ° the time.
Description of drawings
Fig. 1: the utility model embodiment's structural representation.
Fig. 2: the plotted curve of correspondence table one wind speed and blade angle.
Fig. 3: the plotted curve of correspondence table two wind speed and blade angle.
Embodiment
Below in conjunction with accompanying drawing 1-3 embodiment of the present utility model is made a detailed explanation.
Tubular wine wheel as Figure 1-3 is made of blade 3 and mid-game 2.Blade 3 inserts in the slotted eye 1 of mid-games 2 and forms tubular along the circumferential arrangement of mid-game 2, and blade 3 is equally spaced along the circumference of mid-game 2, and blade 3 is angle α with the central axis of mid-game 2, and the span of α is between 19 °-35 °.
Above-mentioned α angle is air quantity maximum when 27 °, 28 ° or 29 ° especially.
The central axis that further specifies blade 3 and mid-game 2 in conjunction with the accompanying drawings by following table be angle adopt 19 °-35 ° between the working efficiency of tubular wine wheel the highest, air quantity maximum when wherein the span of α is between 27 °-29 °.
Table one is as follows:
Table one, φ 45-187 blower fan, blade is wide by 7.1, motor: YJF4816 120V/60Hz
| Blade angle (°) | Voltage (V) | Electric current (A) | Power (W) | Rotating speed (rpm) | Wind speed (m/s) | Heater exhaust outlet temperature (℃) |
| 19 | 120 | 0.206 | 14.3 | 1550 | 3.04 | 99.1 |
| 20 | 120 | 0.205 | 14.3 | 1561 | 3.19 | 97.3 |
| 21 | 120 | 0.204 | 14.2 | 1574 | 3.27 | 97 |
| 22 | 120 | 0.203 | 14.1 | 1580 | 3.33 | 95.2 |
| 23 | 120 | 0.203 | 14.1 | 1591 | 3.37 | 94 |
| 24 | 120 | 0.203 | 14.1 | 1600 | 3.39 | 92.2 |
| 25 | 120 | 0.202 | 14.1 | 1606 | 3.4 | 91 |
| 26 | 120 | 0.202 | 14.1 | 1615 | 3.43 | 89.9 |
| 27 | 120 | 0.201 | 14 | 1626 | 3.45 | 88 |
| 28 | 120 | 0.199 | 13.9 | 1635 | 3.49 | 87.7 |
| 29 | 120 | 0.199 | 13.9 | 1640 | 3.46 | 88.2 |
| 30 | 120 | 0.198 | 13.8 | 1653 | 3.41 | 89 |
| 31 | 120 | 0.198 | 13.8 | 1662 | 3.34 | 92 |
| 32 | 120 | 0.198 | 13.8 | 1671 | 3.29 | 92.3 |
| 33 | 120 | 0.196 | 13.6 | 1680 | 3.17 | 92.6 |
| 34 | 120 | 0.193 | 13.4 | 1689 | 3.14 | 94 |
| 35 | 120 | 0.192 | 13.4 | 1697 | 3.11 | 96 |
Table two is as follows:
Table two, φ 45-187 blower fan, blade is wide by 7.6, motor: YJF4816 120V/60Hz
| Blade angle (°) | Voltage (V) | Electric current (A) | Power (W) | Rotating speed (rpm) | Wind speed (m/s) | Heater exhaust outlet temperature (℃) |
| 19 | 120 | 0.207 | 14.4 | 1563 | 3.09 | 97.8 |
| 20 | 120 | 0.207 | 14.4 | 1574 | 3.17 | 96.1 |
| 21 | 120 | 0.207 | 14.4 | 1580 | 3.23 | 95 |
| 22 | 120 | 0.206 | 14.3 | 1590 | 3.28 | 93 |
| 23 | 120 | 0.205 | 14.3 | 1601 | 3.31 | 91.5 |
| 24 | 120 | 0.205 | 14.3 | 1610 | 3.34 | 90.3 |
| 25 | 120 | 0.205 | 14.3 | 1619 | 3.39 | 89.9 |
| 26 | 120 | 0.204 | 14.2 | 1628 | 3.45 | 88 |
| 27 | 120 | 0.204 | 14.2 | 1636 | 3.51 | 86.9 |
| 28 | 120 | 0.203 | 14.1 | 1463 | 3.53 | 86.2 |
| 29 | 120 | 0.203 | 14.1 | 1657 | 3.5 | 87.8 |
| 30 | 120 | 0.202 | 14.1 | 1663 | 3.47 | 89 |
| 31 | 120 | 0.202 | 14.1 | 1674 | 3.41 | 91.6 |
| 32 | 120 | 0.201 | 14 | 1680 | 3.37 | 93.7 |
| 33 | 120 | 0.201 | 14 | 1690 | 3.35 | 95 |
| 34 | 120 | 0.198 | 13.8 | 1700 | 3.29 | 96 |
| 35 | 120 | 0.197 | 13.7 | 1712 | 3.17 | 96.4 |
The foregoing description only is a this patent mode of execution preferably, and the structure that all employing the technical program are described, feature and the variation on its spiritual principle, modification all belong to the protection domain of this patent.
Claims (5)
1. tubular wine wheel, comprise blade and mid-game, blade (3) inserts in the slotted eye (1) of mid-game (2) and forms tubular along the circumferential arrangement of mid-game (2), blade (3) is equally spaced along the circumference of mid-game (2), blade (3) is angle α with the central axis of mid-game (2), and the span that it is characterized in that described α is between 19 °-35 °.
2. tubular wine wheel according to claim 1, the span that it is characterized in that described α are between 27 °-29 °.
3. tubular wine wheel according to claim 2 is characterized in that described α is 27 °.
4. tubular wine wheel according to claim 2 is characterized in that described α is 28 °.
5. tubular wine wheel according to claim 2 is characterized in that described α is 29 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820169708XU CN201318320Y (en) | 2008-12-15 | 2008-12-15 | Cross flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820169708XU CN201318320Y (en) | 2008-12-15 | 2008-12-15 | Cross flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201318320Y true CN201318320Y (en) | 2009-09-30 |
Family
ID=41197085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820169708XU Expired - Lifetime CN201318320Y (en) | 2008-12-15 | 2008-12-15 | Cross flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201318320Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116314A (en) * | 2011-04-05 | 2011-07-06 | 湖南科力尔电机有限公司 | Cross-flow fan of composite wire blade impeller |
-
2008
- 2008-12-15 CN CNU200820169708XU patent/CN201318320Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116314A (en) * | 2011-04-05 | 2011-07-06 | 湖南科力尔电机有限公司 | Cross-flow fan of composite wire blade impeller |
| CN102116314B (en) * | 2011-04-05 | 2012-11-07 | 湖南科力尔电机有限公司 | Cross-flow fan of composite wire blade impeller |
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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 |
Granted publication date: 20090930 |
|
| CX01 | Expiry of patent term |