CN2746165Y - Ceiling two-way scavenger fan - Google Patents
Ceiling two-way scavenger fan Download PDFInfo
- Publication number
- CN2746165Y CN2746165Y CN 200420090854 CN200420090854U CN2746165Y CN 2746165 Y CN2746165 Y CN 2746165Y CN 200420090854 CN200420090854 CN 200420090854 CN 200420090854 U CN200420090854 U CN 200420090854U CN 2746165 Y CN2746165 Y CN 2746165Y
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- China
- Prior art keywords
- air
- new wind
- centrifugal multiblade
- blower fan
- shell
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- Expired - Fee Related
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Abstract
The utility model discloses a ceiling two-way scavenger fan. The inner space of the housing is divided into an upper part and a lower part by a baffle; and wherein, the upper space is formed to be a fresh air suction passage, a pair of multi-blades centrifugal fans installed in the reverse direction with the motor are arranged in the lower space, and the rest of the lower space is formed to be a fresh air transfer passage. The fresh air suction passage is communicated with the fresh air interface on the housing with the air inlet end of the multi-blades centrifugal fan which is positioned in a superior position, the upper end of the fresh air transfer passage is communicated with the air outlet end of the multi-blades centrifugal fan, and the lower end thereof is communicated with the fresh air inlet. A turbid air outlet is arranged at the middle part of the ventilation panel, a director is arranged above the outlet, the other end of the director is communicated with the air inlet end of the multi-blades centrifugal fan which is positioned in a superior position, and an exhaustion interface on the housing is communicated with the air outlet end thereof. The utility model has the advantages of flexible installing position and simple structure.
Description
Technical field
The utility model relates to a kind of cabin ventilator, has the dual direction ventilating fan of air-supply and air-exhausting function especially simultaneously.
Background technique
At present, the air-supply of most of dual direction ventilating fan and air draft can not be carried out simultaneously on the market, and air-supply and air draft can only rely on the control of staggering the time to realize that respectively such dual direction ventilating fan just can not make indoor air in time be changed, and scavenging efficiency is low.For the purpose that realizes blowing and air draft is carried out simultaneously, prior art discloses two kinds of mentalities of designing and scheme.A kind of is to adopt Bidirectional vane wheel, installs though can be suitable for top suction type on the structure that has, and does not possess the ability by the long pipeline supply and exhaust; Another kind is to adopt bilobed wheel, and as 02260875.3 patent, it can only be installed in inner side of outer wall, is not suitable for the top suction type installation, and does not possess the ability by the pipeline supply and exhaust.
Summary of the invention
The technical problems to be solved in the utility model is: provide a kind of air intake and air draft all can pass through line transportation, thereby but make the bigger top suction type dual direction ventilating fan in choice, ventilation fan mounting point.
The technological scheme that its technical problem that solves the utility model adopts is: the top suction type dual direction ventilating fan, comprise shell, the ventilation front plate of outer casing bottom, a pair of shared one pair of centrifugal multiblade blower fan that goes out shaft motor in the shell, the spiral case of described two centrifugal multiblade blower fans and impeller are and oppositely are installed on described two twin shaft that goes out shaft motor, the space of enclosure is divided into two parts up and down by a dividing plate, wherein upper space constitutes the passage that new wind sucks, be equipped with in the lower space and be up and down above-mentioned that distribute to the centrifugal multiblade blower fan, the bottom remaining space constitutes the transfer passage of new wind; Offer the air intake interface of a new wind on the shell, the new wind suction passage of described dividing plate top communicates this new wind interface with the air intake that is in upper centrifugal multiblade blower fan, the upper end of described new wind transfer passage communicates with the outlet air end of this centrifugal multiblade blower fan, and the lower end communicates with the fresh inlet of ventilation front plate avris; Ventilation front plate central authorities are provided with muddy air outlet, this muddiness air outlet top has been provided with the fluid director of guide functions, the other end of described muddy air deflector is communicated with the air intake of that centrifugal multiblade blower fan that is in the next promptly contiguous ventilation front plate, also offers an air draft interface on the shell and is connected with the outlet air end of this next centrifugal multiblade blower fan.
Because indoor air blowing opening of the present utility model and exhaust port are located on the same ventilation front plate, and ventilation fan can be installed on the ceiling board easily, have characteristic of simple structure.Offer the air intake interface of new wind and the air draft interface of muddy air on the shell respectively, the connection by pipeline can be combined into the larger area air supplying and exhausting system, and the mounting point of ventilation fan also can be adjusted flexibly according to coverage size, environment arrangement requirement.Because new wind passage and ventilation channel in the ventilation fan are isolated mutually, make the fresh air of turnover ventilation fan and two strands of air-flows of muddy air realize well isolating, thereby improved scavenging efficiency.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1: the structural representation that is a preferred embodiment of the utility model;
Fig. 2: be the upper plate of raising housing 5 of Fig. 1 and the plan view behind the dividing plate 1;
Fig. 3: the left view that is Fig. 1;
Fig. 4: the plan view of panel 7 among Fig. 1;
Fig. 5: the center section plan of panel 7 among Fig. 1.
Each reference character is respectively among the above figure: 1 dividing plate, and 2,4 centrifugal multiblade blower fans, 3 pairs go out shaft motor, 5 shells, 6 guide plates, 7 ventilation front plates, 8 air draft interfaces, 9 new wind interfaces, 10 muddy air outlets, 11 fresh inlets, 12 new wind suction passages, 13 new wind transfer passages, 14 fluid directors.
Embodiment
As shown in the figure, the shell 5 of preferred embodiment is approaching cube-shaped, its top seal; The bottom is equipped with ventilation front plate 7, ventilation front plate 7 four limits are furnished with the fresh inlet 11 (as Fig. 4) of long strip respectively, the guide plate 6 of can regulate air-flow size can be housed in this fresh inlet 11 as required, the central authorities of ventilation front plate 7 are square grid-like muddy air outlets 10 (promptly the square aperture by many lattices each other combines), and fresh inlet 11 is spaced from each other with exhaust port 10; Orthogonal two sides of shell 5 are equipped with air intake interface 9 and air draft interface 8 respectively.Dividing plate 1 is divided into two parts up and down with the space in the shell 5, and upper space is less, constitutes long and narrow new wind suction passage 12; The a pair of centrifugal multiblade blower fan of placing up and down 2,4 is installed in the lower space, this goes out shaft motor 3 to shared one pair of centrifugal multiblade blower fan, their spiral case and impeller are reverse promptly leaning against and are installed in respectively privately on pair twin shaft that goes out shaft motor 3, and the lower side remaining space constitutes new wind transfer passage 13.New wind suction passage 12 communicates new wind interface 9 with the air intake that is in that upper centrifugal multiblade blower fan 2; The upper end of new wind transfer passage 13 communicates with the outlet air end of this centrifugal multiblade blower fan 2, and the lower end communicates with the fresh inlet 11 of ventilation front plate 7 four avris.Grid-like muddy air outlet 10 tops are equipped with the fluid director 14 of hemispherical dome shape, the cylindrical upper end mouth of this fluid director 14 is communicated with the air intake that is in that the next centrifugal multiblade blower fan 4, and 8 outlet air ends with this centrifugal multiblade blower fan 4 of air draft interface are connected.Fluid director 14 had both had the effect of diversion chamber's internal haze air, simultaneously again because of its air intake with centrifugal multiblade blower fan 4 is connected, made by the muddy air of its water conservancy diversion isolated with the fresh air that enters in the ventilation fan; Be the raising isolation effect, thereby improve scavenging efficiency, the connection between the two preferably is tightly connected.
During installation, present embodiment is placed on the ceiling board, at the indoor ventilation front plate that only exposes.Be connected with air draft interface 8 with air intake interface 9 respectively with two ventilation ducts of outdoor connection, play the effect of air intake and air draft respectively.During work, twoly go out shaft motor and drive two wheel rotation simultaneously.The impeller that rotates sucks outdoor new wind in the utility model ventilation fan by ventilation duct and air intake interface 9, new wind is more earlier after the new wind transfer passage 13 of the new wind suction passage 12 of dividing plate 1 top, centrifugal multiblade blower fan 2, dividing plate 1 below, deliver to the bar shaped fresh inlet 11 on ventilation front plate 7 four limits, under the effect of guide plate 6, around panel 7, spray diffusion.Meanwhile, the grid-like exhaust port 10 of indoor muddy air by ventilation front plate 7 central authorities is inhaled into that centrifugal multiblade blower fans 4 of ventilation front plate 7 tops through fluid director 14, after the impeller acting, discharges outdoor from air draft interface 8 and exhaust duct.Dual direction ventilating fan of the present utility model has so just been realized the new wind of inspiration to indoor and discharge muddy air to the outdoor two-way ventilatory that carries out simultaneously, and two strands of air-flow paths isolate mutually, does not disturb mutually.
Shell 5 shapes of the present utility model can also be shapes such as cylindrical body, cuboid, correspondingly also other shapes such as circle or rectangular of ventilation front plate 7 profiles of outer casing bottom; Fresh inlet 11 on the ventilation front plate also is not limited to long strip, but other shapes such as arc-shaped slot; Muddy air outlet 10 profiles also are not limited to square, and also circle waits other shapes, and its structure also is not limited to grid-like, also other structures such as through hole shape; Corresponding with muddy air outlet 10 profiles, fluid director 14 is other shapes such as frustoconic shape also.The purpose that fresh inlet 11 places set up guide plate 6 is directional stream-guidance, so that new air and muddy air are shunted better, certainly consider that from cost-effective angle the utility model product is under the prerequisite that does not influence the technical solution problem, guide plate 6 also can omit need not.For above these feasible variations, all be interpreted as still in the claimed scope of the utility model.
Claims (3)
1. top suction type dual direction ventilating fan, comprise shell (5), the ventilation front plate (7) of shell (5) bottom, a pair of shared one pair of centrifugal multiblade blower fan (2 that goes out shaft motor (3) in the shell (5), 4), described two centrifugal multiblade blower fans (2,4) spiral case and impeller are and oppositely are installed in respectively on described two twin shaft that goes out shaft motor (3), it is characterized in that: shell (5) volume inside is divided into two parts up and down by dividing plate (1), wherein upper space constitutes new wind suction passage (12), be equipped with in the lower space be up and down distribute described that to centrifugal multiblade blower fan (2,4), the bottom remaining space constitutes new wind transfer passage (13); Shell (5) offers the air intake interface (9) of a new wind, the new wind suction passage (12) of described dividing plate (1) top communicates this new wind interface (9) with the air intake that is in upper centrifugal multiblade blower fan (2), the upper end of described new wind transfer passage (13) communicates with the outlet air end of this centrifugal multiblade blower fan (2), and the lower end communicates with the fresh inlet (11) of ventilation front plate (7) avris; Ventilation front plate (7) central authorities are provided with muddy air outlet (10), this muddiness air outlet (10) top has been provided with the fluid director (14) of guide functions, the other end of described fluid director (14) is communicated with the air intake that is in that the next centrifugal multiblade blower fan (4), also offers an air draft interface (8) on the shell (5) and is connected with the outlet air end that this is in the next centrifugal multiblade blower fan (4).
2. top suction type dual direction ventilating fan as claimed in claim 1 is characterized in that: four limits of described ventilation front plate (7) are furnished with the described fresh inlet (11) of long strip respectively, and the described muddy air outlet (10) that is positioned at its central authorities is grid-like.
3. top suction type dual direction ventilating fan as claimed in claim 1 or 2 is characterized in that: described fresh inlet (11) locates to be equipped with the guide plate (6) of can regulate air-flow size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420090854 CN2746165Y (en) | 2004-09-28 | 2004-09-28 | Ceiling two-way scavenger fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420090854 CN2746165Y (en) | 2004-09-28 | 2004-09-28 | Ceiling two-way scavenger fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2746165Y true CN2746165Y (en) | 2005-12-14 |
Family
ID=35582746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420090854 Expired - Fee Related CN2746165Y (en) | 2004-09-28 | 2004-09-28 | Ceiling two-way scavenger fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2746165Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832613A (en) * | 2010-05-11 | 2010-09-15 | 林勇 | Single-motor heat recovery air interchanger |
| CN104728892A (en) * | 2015-03-19 | 2015-06-24 | 郎杰 | Inside-outside double-row type circulating air range hood |
-
2004
- 2004-09-28 CN CN 200420090854 patent/CN2746165Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832613A (en) * | 2010-05-11 | 2010-09-15 | 林勇 | Single-motor heat recovery air interchanger |
| CN101832613B (en) * | 2010-05-11 | 2012-06-27 | 林勇 | Single-motor heat recovery air interchanger |
| CN104728892A (en) * | 2015-03-19 | 2015-06-24 | 郎杰 | Inside-outside double-row type circulating air range hood |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |