CN101943452B - Rotary ventilator - Google Patents

Rotary ventilator Download PDF

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Publication number
CN101943452B
CN101943452B CN2010105111638A CN201010511163A CN101943452B CN 101943452 B CN101943452 B CN 101943452B CN 2010105111638 A CN2010105111638 A CN 2010105111638A CN 201010511163 A CN201010511163 A CN 201010511163A CN 101943452 B CN101943452 B CN 101943452B
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China
Prior art keywords
ventilator
axle
blade
outer panel
rotary
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CN2010105111638A
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CN101943452A (en
Inventor
钱伟鑫
贾荷香
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Zheng Sheng Environmental Technology Co ltd
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SICHUAN ZHENGSHENG ACOUSTIC TECHNOLOGY Co Ltd
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Abstract

The invention discloses a rotary ventilator. At least seven blades (2) are arranged in a cavity (1) of the ventilator, wherein the blades (2) are arranged in the cavity (1) through a mandrel (3) and uniformly distributed on the mandrel (3) along the circumference of the mandrel (3). The rotary ventilator also has good heat insulation performance and noise reduction performance while having ventilation function, can play an active part in mosquito repelling without an additional mosquito repelling device and has the advantages of simple structure, energy conservation and environmental friendliness.

Description

A kind of rotary ventilator
Technical field
The present invention relates to a kind of ventilator, particularly the air door of ventilator.
Background technology
The air door of the ventilator of generally using at present is the pendulum-type air door; This pendulum-type air door in the horizontal direction or some blades that have been arranged in parallel on the vertical direction; During ventilator work; Swing at these blades top or middle part around ventilator under the driving of drive unit, thereby outdoor fresh air introducing is indoor, realizes the purpose of ventilating.But there is following defective part in the air door of this ventilator when opening:
1, extraneous noise, heat even mosquito can be in company with in air inlet chamber together, and it does not have heat-proof quality and anti-acoustic capability basically;
2, in order to prevent in the mosquito inlet chamber, the mosquito device of also need on ventilator, setting up defences in addition usually, its structure is complicated more;
3, the blade of air door needs drive unit to provide power to work, and does not meet the energy-saving and emission-reduction theory of advocating at present.
Summary of the invention
The energy-saving rotary ventilator that the purpose of this invention is to provide a kind of ventilation, heat insulation, noise reduction, mosquito proof.
Technical scheme of the present invention is: a kind of rotary ventilator; At least 7 blades are set in the inner chamber of this ventilator; Said blade pass cross that axle is arranged in the said inner chamber and along the circumference uniform distribution of said axle on this axle; The quantity of blade is decided according to concrete condition, preferably is set to odd number, is over against air inlet to guarantee that ventilator has a slice blade when working all the time.
In order further to improve the anti-acoustic capability of ventilator; Said blade is set to hollow type, and its outer panel is provided with the hole, and whether interior plate establishes the Kong Keyi actual needs is provided with flexibly; Filling sucting sound material between this outer panel and the interior plate, thus this ventilator has also possessed the performance of absorption of noise.
Perhaps, said blade is a hollow type, and its outer panel is provided with the hole, and interior plate is dull and stereotyped or other shapes, forms resonant cavity between said outer panel and the interior plate, and this resonant cavity is identical with the function of sound-absorbing material.
For ease said blade is carried out installation and removal, the circumference of said axle is provided with contract type groove, and said blade pass crosses this contract type groove and said axle is pegged graft fixing.
In order to simplify the ventilator structure, the two ends of said axle can be fixed on the two ends end plate of said ventilator, also can in the inner chamber of ventilator, support be set, and are used for said axle is supported.
Beneficial effect of the present invention is following:
(1) since ventilator provided by the invention with blade along the circumference uniform distribution of axle on this axle, and the quantity of blade is more than 7, therefore; When blade when axle is rotated; All the time have the air inlet of a slice blade, when ventilating, also have good heat-proof quality and anti-acoustic capability, and the gap between the wall of this blade and ventilator inner chamber is very little over against ventilator; Thereby this ventilator need not the effect that anophelifuge device can play good mosquito proof is installed separately, and it is simple in structure.
(2) this ventilator promptly utilizes outdoor wind-force to promote the blade rotation as long as when there is pressure differential in indoor and outdoor, get final product work, and is indoor so that outdoor fresh air is introduced; Realize ventilating, also can rotate because blade is distributed in the circumference of axle, therefore around the axis of axle; No matter how outdoor wind-force changes; Air quantity in the inlet chamber is basicly stable, and indoor air pulsation phenomenon can not occur, thereby has overcome the influence that the pendulum-type air door is vulnerable to receive outer wind-force variation.
(3) above-mentioned ventilator utilizes outdoor wind-force can promote the blade rotation, and therefore need not drive unit gets final product work, energy-saving and emission-reduction, and environmental protection is suitable for.
(4) further be; This ventilator blade is set to hollow type, or between interior plate and outer panel filling sucting sound material, or make between interior plate and the outer panel and form resonant cavity; Therefore; This ventilator has also possessed sound absorbing capabilities, can reach 40 decibels through the oise insulation factor of testing this ventilator, and the oise insulation factor of existing ventilator only can reach 20 decibels usually.
Description of drawings
Fig. 1 is the structure chart of rotary ventilator in the embodiment of the invention 1.
Fig. 2 is the structure chart of rotary ventilator in the embodiment of the invention 2.
The specific embodiment
For the beneficial effect of understanding technical problem to be solved by this invention, the technical scheme that is adopted better and being reached, come the present invention is further specified below in conjunction with embodiment, but protection scope of the present invention is not limited in following examples.
Embodiment 1: shown in Fig. 1, a kind of rotary ventilator is provided with at least 7 blades 2 in the inner chamber 1 of this ventilator, said blade 2 be arranged in the said inner chamber 1 through axle 3 and along the circumference uniform distribution of said axle 3 on this axle 3; Said blade 2 is a hollow type, and its outer panel 2-1 is provided with the hole, filling sucting sound material 4 between this outer panel 2-1 and the interior plate 2-2; The circumference of said axle 3 is provided with contract type groove, and said blade 2 is pegged graft fixing through this contract type groove and said axle 3; The two ends of said axle 3 are fixed on the two ends end plate of ventilator, and the path in the fresh air inlet chamber is shown in the arrow among Fig. 1.
Embodiment 2: as shown in Figure 2; Present embodiment and embodiment 1 difference are that said blade 2 is a hollow type, and its outer panel 2-1 is provided with the hole; Interior plate 2-2 is dull and stereotyped; Form resonant cavity 5 between said outer panel 2-1 and the interior plate 2-2, this resonant cavity 5 is the absorption noise with the function of sound-absorbing material 4, and the path in the fresh air inlet chamber is shown in the arrow among Fig. 2.

Claims (3)

1. at least 7 blades (2) are set in rotary ventilator, its inner chamber (1), said blade (2) be arranged in the said inner chamber (1) through axle (3) and the circumference uniform distribution of the said axle in edge (3) on this axle (3), it is characterized in that:
Said blade (2) is a hollow type, and its outer panel (2-1) is provided with the hole, filling sucting sound material (4) between this outer panel (2-1) and the interior plate (2-2);
Or said blade (2) is a hollow type, and its outer panel (2-1) is provided with the hole, and interior plate (2-2) is dull and stereotyped, forms resonant cavity (5) between said outer panel (2-1) and the interior plate (2-2).
2. rotary ventilator as claimed in claim 1 is characterized in that: the circumference of said axle (3) is provided with contract type groove, and said blade (2) is pegged graft fixing through this contract type groove and said axle (3).
3. rotary ventilator as claimed in claim 2 is characterized in that: the two ends of said axle (3) are fixed on the two ends end plate of ventilator.
CN2010105111638A 2010-10-19 2010-10-19 Rotary ventilator Active CN101943452B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010105111638A CN101943452B (en) 2010-10-19 2010-10-19 Rotary ventilator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010105111638A CN101943452B (en) 2010-10-19 2010-10-19 Rotary ventilator

Publications (2)

Publication Number Publication Date
CN101943452A CN101943452A (en) 2011-01-12
CN101943452B true CN101943452B (en) 2012-08-15

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Application Number Title Priority Date Filing Date
CN2010105111638A Active CN101943452B (en) 2010-10-19 2010-10-19 Rotary ventilator

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113483428B (en) * 2021-09-08 2021-11-19 南通专用风机有限公司 Ventilation equipment who possesses function of discharging fume

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1038242A (en) * 1988-06-02 1989-12-27 阎广化 Automatic powerful ventilating device
RU2084769C1 (en) * 1994-03-25 1997-07-20 Колхоз "Парижская коммуна" Ventilation device for live stock barns
CN1492197A (en) * 2003-09-12 2004-04-28 包民业 Natural ventilator using wind pressure
CN2750559Y (en) * 2003-11-17 2006-01-04 美国艾默生电气公司 Low-noise ventilating system for motor
CN201844497U (en) * 2010-10-19 2011-05-25 四川正升声学科技有限公司 Rotary ventilator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1038242A (en) * 1988-06-02 1989-12-27 阎广化 Automatic powerful ventilating device
RU2084769C1 (en) * 1994-03-25 1997-07-20 Колхоз "Парижская коммуна" Ventilation device for live stock barns
CN1492197A (en) * 2003-09-12 2004-04-28 包民业 Natural ventilator using wind pressure
CN2750559Y (en) * 2003-11-17 2006-01-04 美国艾默生电气公司 Low-noise ventilating system for motor
CN201844497U (en) * 2010-10-19 2011-05-25 四川正升声学科技有限公司 Rotary ventilator

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