CN202280633U - Axial-flow type roof fan - Google Patents
Axial-flow type roof fan Download PDFInfo
- Publication number
- CN202280633U CN202280633U CN2011203819967U CN201120381996U CN202280633U CN 202280633 U CN202280633 U CN 202280633U CN 2011203819967 U CN2011203819967 U CN 2011203819967U CN 201120381996 U CN201120381996 U CN 201120381996U CN 202280633 U CN202280633 U CN 202280633U
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- CN
- China
- Prior art keywords
- axial
- fan
- flow
- loose
- type roof
- 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 discloses an axial-flow type roof fan, which includes a vertically-installed axial-flow fan, an air cap fixed in the positive direction of the axial-flow fan, as well as an actuating mechanism, wherein a seal plate is arranged between the outer edge at the bottom of the air cap and the outer wall of a fan drum of the axial-flow fan; air outlets are arranged on the two lateral surfaces of the air cap; loose-leaf ventilation doors are rotationally connected onto the air outlets, and are rotationally connected at the upper end parts of the air outlets through hinges; and the actuating mechanism is in transmission connection with the loose-leaf ventilation doors. As only a 90-degree turn is formed between the direction of each air outlet and the axial direction of the fan drum of the axial-flow fan, the axial-flow type roof fan greatly improves the efficiency relative to the traditional axial-flow type roof fan, can dispense with a bird preventing net, a self-vertical type louver and other components arranged in the traditional axial-flow type roof fan at the same time, thereby reducing the whole production cost.
Description
Technical field
The utility model relates to a kind of roof ventilator of axial flow, relates to a kind of axial flow roof ventilator with energy-efficient characteristic specifically.
Background technique
Existing axial flow roof ventilator generally includes an axial-flow blower and is fixed on the blast cap on the axial-flow blower, and the main effect of blast cap is to prevent that sleet etc. from falling in the blower fan.Existing axial flow roof ventilator; Because its blast cap is to be fixed on directly over the air duct of axial-flow blower through support; Gap between the outer of blast cap and the air duct outer wall forms a downward exhaust outlet; When fan operation, outflow again after the turning of 180 degree takes place in the flow direction of the wind that blower fan produces after running into blast cap, up installs like the exhaust outlet of axial-flow blower to be used for indoor when carrying out air draft; The wind that blower fan produces is towards the upper reaches, need carry out after running into blast cap towards the wind at upper reaches flowing out downwards after the turning of 180 degree again.Rapid flowing in the change procedure takes place at wind; Meeting loss lot of energy reduces the efficient of roof ventilator, simultaneously greatly; Present axial flow roof ventilator gets in the axial-flow blower for preventing toys such as mouse, bird, also needs between air duct and blast cap, to be provided with bird proof net usually; Outdoor air pours in down a chimney into indoor when preventing that roof ventilator from shutting down, and also needs on air duct, be provided with parts such as self hang down type blinds, and the fabricating cost of whole roof ventilator is improved.
The model utility content
For overcoming above-mentioned defective, the utility model aims to provide a kind of higher efficient that both had, and simultaneously, can practice thrift the axial flow roof ventilator of certain fabricating cost again.
For achieving the above object; The technological scheme that the utility model adopts is: a kind of axial flow roof ventilator; Comprise a vertical axial-flow blower of installing and the blast cap that is fixed on the axial-flow blower postive direction, have shrouding between the outer of said blast cap bottom and the air duct outer wall of axial-flow blower, two sides of said blast cap have exhaust outlet; The loose-leaf air door that has been rotatably connected on the said exhaust outlet, said loose-leaf air door is rotatably connected in the upper end portion of exhaust outlet through hinge.
The axial flow roof ventilator of the utility model also comprises an actuator, and said actuator and loose-leaf air door are in transmission connection.
Adopted the axial flow roof ventilator of the utility model, because the turning of axially having only 90 degree of the direction of the exhaust outlet on its blast cap and axial-flow blower air duct, the wind straight up that axial-flow blower produces flows out to substantially horizontal after the collision of blast cap; With respect to traditional axial flow roof ventilator; Its efficient is greatly enhanced, simultaneously, owing on the exhaust outlet of blast cap, be connected the loose-leaf air door; When roof ventilator is out of service; The loose-leaf air door can be closed exhaust outlet, can avoid toys such as mouse, bird to get in the axial-flow blower, also can avoid outdoor air to pour in down a chimney into indoor simultaneously; Can save the setting of parts such as bird proof net in traditional axial flow roof ventilator, self hang down type blinds, make the fabricating cost of whole roof ventilator obtain descending.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Among the figure: 1-axial-flow blower, 2-blast cap, 3-exhaust outlet, 4-loose-leaf air door, 5-hinge, 6-actuator, 7-shrouding.
Embodiment
As shown in Figure 1; The utility model discloses a kind of axial flow roof ventilator; Comprising a vertical axial-flow blower of installing 1 and the blast cap 2 that is fixed on axial-flow blower 1 postive direction, is a cover plate at the top of blast cap 2, falls in the axial-flow blower 1 to prevent sleet etc.; In sum, with the structural type basically identical of existing plain shaft streaming roof ventilator.
The innovative point of the axial flow roof ventilator of the utility model mainly is to have shrouding 7 between the air duct outer wall of outer and axial-flow blower 1 of said blast cap 2 bottoms; Two sides of said blast cap 2 have exhaust outlet 3; Like this; When axial-flow blower 1 was opened, the distinguished and admirable of generation can only be flowed out through exhaust outlet on two sides of blast cap 2, rather than the same with traditional axial flow roof ventilator be gap location outflow between the air duct outer wall of outer and axial-flow blower 1 through blast cap 2 bottoms.Because distinguished and admirable after flowing out from axial-flow blower 1, only the need can be flowed out from exhaust outlet 3 through the turning of 90 degree, and the efficient of roof ventilator is greatly enhanced.
In order to prevent that sleet etc. from falling in the axial-flow blower 1 from exhaust outlet 3, the loose-leaf air door 4 that has been rotatably connected on the said exhaust outlet 3, said loose-leaf air door 4 is rotatably connected in the upper end portion of exhaust outlet 3 through hinge 5.When axial-flow blower 1 does not turn round, after hanging down, loose-leaf air door 4 seals exhaust outlet 3, and when axial-flow blower 1 entry into service, loose-leaf air door 4 is opened, and the wind that axial-flow blower 1 is produced flows out from exhaust outlet 3 smoothly.
For more small-sized axial flow roof ventilator, because its loose-leaf air door 4 is less, the weight of loose-leaf air door 4 is lighter; When axial-flow blower 1 did not turn round, loose-leaf air door 4 was sealed exhaust outlet 3 through self the weight back of hanging down naturally, when axial-flow blower 1 entry into service; The wind that axial-flow blower 1 produces is pushed loose-leaf air door 4 open; For more large-scale axial flow roof ventilator, also need comprise an actuator 6 through it, said actuator 6 is in transmission connection with loose-leaf air door 4.Usually the motor difference control connection on actuator 6 and the axial-flow blower 1 is in control centre; Before operator are opening axial-flow blower 1 and are turning round; Earlier through control centre in advance control executing mechanism 6 open loose-leaf air door 4 in advance; On the contrary, stopping the running of axial-flow blower 1 as operator after, close loose-leaf air door 4 through control centre's control executing mechanism 6 again.When control centre is control automatically; When operator are opening axial-flow blower 1 and are turning round; Control centre can first control executing mechanism 6 open loose-leaf air door 4 in advance; On the contrary, stopping the running of axial-flow blower 1 as operator after, control centre can follow control executing mechanism 6 and close loose-leaf air door 4.
Claims (2)
1. axial flow roof ventilator; Comprise a vertical axial-flow blower (1) of installing and be fixed on the blast cap (2) of axial-flow blower (1) postive direction; It is characterized in that having shrouding (7) between the air duct outer wall of outer and axial-flow blower (1) of said blast cap (2) bottom; Two sides of said blast cap (2) have exhaust outlet (3); The loose-leaf air door (4) that has been rotatably connected on the said exhaust outlet (3), said loose-leaf air door (4) is rotatably connected in the upper end portion of exhaust outlet (3) through hinge (5).
2. axial flow roof ventilator according to claim 1 is characterized in that it also comprises an actuator (6), and said actuator (6) is in transmission connection with loose-leaf air door (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203819967U CN202280633U (en) | 2011-10-10 | 2011-10-10 | Axial-flow type roof fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203819967U CN202280633U (en) | 2011-10-10 | 2011-10-10 | Axial-flow type roof fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202280633U true CN202280633U (en) | 2012-06-20 |
Family
ID=46226803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203819967U Expired - Lifetime CN202280633U (en) | 2011-10-10 | 2011-10-10 | Axial-flow type roof fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202280633U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579139A (en) * | 2018-11-27 | 2019-04-05 | 广东美的制冷设备有限公司 | Floor air conditioner indoor machine and air conditioner |
-
2011
- 2011-10-10 CN CN2011203819967U patent/CN202280633U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579139A (en) * | 2018-11-27 | 2019-04-05 | 广东美的制冷设备有限公司 | Floor air conditioner indoor machine and air conditioner |
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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: 20120620 |
|
| CX01 | Expiry of patent term |