CN202926673U - Jet fan with adjustable wind guide louvers - Google Patents
Jet fan with adjustable wind guide louvers Download PDFInfo
- Publication number
- CN202926673U CN202926673U CN 201220583269 CN201220583269U CN202926673U CN 202926673 U CN202926673 U CN 202926673U CN 201220583269 CN201220583269 CN 201220583269 CN 201220583269 U CN201220583269 U CN 201220583269U CN 202926673 U CN202926673 U CN 202926673U
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- CN
- China
- Prior art keywords
- jet blower
- jet
- jet fan
- adjustable blade
- adjustable
- 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
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Abstract
The utility model relates to a jet fan with adjustable wind guide louvers, and belongs to the technical field of fan and ventilation system engineering. The jet fan comprises a motor mounted in a jet fan body, wherein an impeller is mounted on the output end of the motor and the adjustable wind guide louvers are mounted at the inlet end and the outlet end of the jet fan body. The number of the jet fans can be reduced under the same tunnel condition, and the size of the jet fan can be reduced if the number of the jet fans remains the same, so that the investment cost, the energy consumption and the tunnel noise are reduced.
Description
Technical field
The utility model relates to a kind of jet blower with the tunable wind-guiding blinds, belongs to blower fan and ventilation system field of engineering technology.
Background technique
Jet blower is mainly used in the longitudinal ventilation system in the tunnels such as highway, railway and subway, during the jet blower operation, sucks portion of air from an end of blower fan, after impeller accelerates, is penetrated at a high speed by the other end of blower fan.This part produces with than the high velocity air of kinetic energy, energy being passed to other gas in the tunnel voltage rise that overcomes the tunnel resistance, and machine jet-stream wind direction is mobile with the wind thereby promote air in the tunnel.Be subjected to the tunnel height restriction, the installing space of jet blower is limited, normally adherent installation, this makes part airflow strikes tunnel top and the tube wall of jet blower ejection, cause thrust loss, when jet blower was arranged on tunnel top corner or Niche type installation, thrust loss was particularly serious.
The model utility content
The purpose of this utility model is to provide a kind of jet blower with the tunable wind-guiding blinds, is not additionally increasing under the condition of jet blower installing space, improves the efficient of jet blower, reduces thrust loss.
For achieving the above object, the technological scheme that the utility model adopts is:
A kind of jet blower with the tunable wind-guiding blinds comprises being arranged on the intrinsic motor of jet blower, on the output terminal of motor, impeller is installed, and the tunable wind-guiding blinds all is installed on the entrance point of described jet blower body and outlet end.
As the further setting of such scheme, described tunable wind-guiding blinds comprises that several pieces evenly are arranged on the adjustable blade in cylindrical shell, and each adjustable blade is arranged on connecting rod jointly.
Adjustable angle β scope between the axis of described adjustable blade and jet blower body is 0-35 °.
Described adjustable blade is air-foil blade.
A kind of jet blower with the tunable wind-guiding blinds of the utility model is according to mounting point and the thrust of tunnel height, jet blower, the deflection angle of capable of regulating adjustable blade.During fan operation, air-flow departs from tunnel top and tube wall by the guiding of tunable wind-guiding blinds, reduces the frictional loss between air-flow and tunnel top and tube wall, reaches eliminate or reduce Coanda effect to the impact of fan efficiency, reduces thrust loss.When jet blower was arranged on tunnel top corner or Niche type installation, its advantage was particularly outstanding.
The beneficial effects of the utility model are: under identical if tunnel conditions, can reduce the quantity of jet blower, if keep the quantity of jet blower constant, the size of jet blower can reduce.Thereby the reduction cost of investment reduces energy consumption, reduces the tunnel noise.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, a kind of jet blower with the tunable wind-guiding blinds of the utility model, comprise the motor 2 that is arranged in jet blower body 1, impeller 3 is installed on the output terminal of motor 2, tunable wind-guiding blinds 4 all is installed on the entrance point of jet blower body 1 and outlet end.
Tunable wind-guiding blinds 4 comprises that several pieces evenly are arranged on the adjustable blade 6 in cylindrical shell 5, and each adjustable blade 6 is arranged on connecting rod 7 jointly.The regulating handle 8 of adjustable blade 6 is arranged on the outer wall of cylindrical shell 5.Regulating handle 8 is connected with one of them adjustable blade 6, and the adjustable blade 6 in the middle of being preferably placed at is when needing to regulate the angle of adjustable blade 6, as long as rotate regulating handle 8 to the angle that needs.Rotate the process of regulating handle 8, the adjustable blade 6 that regulating handle 8 drives connect is rotation angle together, and the adjustable blade 6 that then should rotate drives all the other adjustable blades 6 rotation angle together by connecting rod 7 again.Interaction relation and principle between regulating handle 8, connecting rod 7 and adjustable blade 6, identical with adjustable blinds of the prior art, just seldom given unnecessary details at this.
Adjustable angle β scope between the axis of adjustable blade 6 and jet blower body 1 is 0-35 °.Adjustable blade 6 is preferably air-foil blade.
When the utility model is installed, firmly be connected with tunnel top or tunnel-side by scaffold, according to mounting point and the thrust of tunnel height, jet blower, adjust the deflection angle of adjustable blade 6 by regulating handle 8, and locking adjustable blade 6.
Above-described embodiment only is used for explaining inventive concept of the present utility model, but not to the restriction of the utility model rights protection, allly utilizes this design to carry out the change of unsubstantiality to the utility model, all should fall into protection domain of the present utility model.
Claims (4)
1. the jet blower with the tunable wind-guiding blinds, comprise being arranged on the intrinsic motor of jet blower, on the output terminal of motor, impeller is installed, and it is characterized in that: the tunable wind-guiding blinds all is installed on the entrance point of described jet blower body and outlet end.
2. a kind of jet blower with the tunable wind-guiding blinds as claimed in claim 1 is characterized in that: described tunable wind-guiding blinds comprises that several pieces evenly are arranged on the adjustable blade in cylindrical shell, and each adjustable blade is arranged on connecting rod jointly.
3. a kind of jet blower with the tunable wind-guiding blinds as claimed in claim 2, it is characterized in that: the adjustable angle β scope between the axis of described adjustable blade and jet blower body is 0-35 °.
4. a kind of jet blower with the tunable wind-guiding blinds as claimed in claim 2 or claim 3, it is characterized in that: described adjustable blade is air-foil blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220583269 CN202926673U (en) | 2012-11-08 | 2012-11-08 | Jet fan with adjustable wind guide louvers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220583269 CN202926673U (en) | 2012-11-08 | 2012-11-08 | Jet fan with adjustable wind guide louvers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202926673U true CN202926673U (en) | 2013-05-08 |
Family
ID=48216640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220583269 Expired - Fee Related CN202926673U (en) | 2012-11-08 | 2012-11-08 | Jet fan with adjustable wind guide louvers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202926673U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307044B (en) * | 2013-07-08 | 2016-03-30 | 江苏华群科技发展有限公司 | Vector jet blower |
| CN107605525A (en) * | 2017-10-27 | 2018-01-19 | 北京交科公路勘察设计研究院有限公司 | Tunnel jet blower guiding device and method of river diversion |
-
2012
- 2012-11-08 CN CN 201220583269 patent/CN202926673U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307044B (en) * | 2013-07-08 | 2016-03-30 | 江苏华群科技发展有限公司 | Vector jet blower |
| CN107605525A (en) * | 2017-10-27 | 2018-01-19 | 北京交科公路勘察设计研究院有限公司 | Tunnel jet blower guiding device and method of river diversion |
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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: 20130508 Termination date: 20211108 |