CN104454567A - High-power centrifugal fan with adjustable supply air rate - Google Patents
High-power centrifugal fan with adjustable supply air rate Download PDFInfo
- Publication number
- CN104454567A CN104454567A CN201410801402.1A CN201410801402A CN104454567A CN 104454567 A CN104454567 A CN 104454567A CN 201410801402 A CN201410801402 A CN 201410801402A CN 104454567 A CN104454567 A CN 104454567A
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- CN
- China
- Prior art keywords
- spiral case
- motor shaft
- wind
- exhaust outlet
- motor
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
- F04D29/424—Double entry casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
- F04D27/0246—Surge control by varying geometry within the pumps, e.g. by adjusting vanes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a high-power centrifugal fan with an adjustable supply air rate. The high-power centrifugal fan comprises a left volute and a right volute. A left air inlet and a left motor shaft installation support are arranged on the left side of the left volute. A right air inlet and a right motor shaft installation support are arranged on the right side of the right volute. A double-shaft extending three-phase asynchronous motor is arranged between the left volute and the right volute. Transverse wind blocking blades are connected with a transverse control motor arranged on one side of the air outlet. Vertical wind blocking blades are connected with a vertical control motor arranged at the upper end of the air outlet. The left air inlet and the right air inlet are connected with a square air inlet pipeline. A wind speed adjusting device is arranged on the square air inlet pipeline. The wind speed adjusting device comprises an adjusting baffle, an inserting groove matched with the adjusting baffle is formed in the square air inlet pipeline, the upper end of the adjusting baffle is connected with a piston rod of an air cylinder through an L-shaped connecting rod, and the air cylinder is fixedly arranged on the square air inlet pipeline.
Description
Technical field
The present invention relates to a kind of blower fan, particularly relate to the adjustable high-power centrifugal blower of a kind of air output.
Background technique
Blower fan is the mechanical energy relying on input, improve gas pressure to supply gas side by side the machinery of body, it is a kind of driven fluid machinery, at present, blower fan is widely used in various field, and existing centrifugal blower is all adopt single spiral case and single impeller to carry out work, power is smaller, inefficiency, if need to purchase blower fan in enormous quantities, installation cost and cost of production all can obviously increase; Existing blower fan is all generally full-gear simultaneously, and motor starts the moment starting impeller rotation, because motor load is comparatively large, adopts full-gear that motor can be caused to start and even damages; In addition, after fan starting, some occasions require higher to wind-force, and need to work in certain wind speed range, existing blower fan can not regulate air intake wind speed and air-out wind speed, can not meet the usage requirement of people.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of air output adjustable high-power centrifugal blower.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: the integrated high-power centrifugal blower of adjustable wind speed, comprise: left spiral case and right spiral case, left intake grill and left motor shaft mounting bracket is provided with in the left side of described left spiral case, right intake grill and right motor shaft mounting bracket is provided with on the right side of described right spiral case, the end face of described left spiral case and right spiral case is provided with an exhaust outlet and exhaust outlet fastening flange, described exhaust outlet is connected with right intake grill with left intake grill simultaneously, Double shaft-extension threephase asynchronous is provided with between described left spiral case and right spiral case, motor shaft one end of described Double shaft-extension threephase asynchronous cooperatively interacts through left spiral case and left motor shaft mounting bracket, the other end of the motor shaft of described Double shaft-extension threephase asynchronous cooperatively interacts through right spiral case and right motor shaft mounting bracket, motor shaft in described left spiral case is provided with lobus sinister wheel, motor shaft in described right spiral case is provided with lobus dexter wheel, transverse gear air blade is staggeredly equipped with and the blade that vertically keeps out the wind in described exhaust outlet, described transverse gear air blade is connected with the crosswise joint motor being arranged on exhaust outlet side, the described blade that vertically keeps out the wind is connected with the upright controling motor being arranged on exhaust outlet upper end, described left intake grill is connected with square air intake pipe respectively with right intake grill, described square air intake pipe is provided with wind-speed adjusting device, described wind-speed adjusting device comprises: controllable register, described square air intake pipe is provided with the slot cooperatively interacted with controllable register, the upper end of described controllable register is connected with the piston rod of cylinder by L shape connecting rod, described cylinder is fixedly installed on square air intake pipe, arc wind-guiding inclined-plane is provided with in the inlet side of described controllable register.
Advantage of the present invention is: above-mentioned air output is adjustable high-power centrifugal blower, employing Double shaft-extension threephase asynchronous drives the vane rotary in two spiral cases simultaneously, two-way air intake, twice when power is single spiral case and single impeller work in the past, working efficiency is high, greatly save cost of production and installation cost, simultaneously can regulate transverse gear air blade when starting and the blade that vertically keeps out the wind makes the exhaust outlet maintenance full-shut position of blower fan, available protecting motor, prevent from starting, the air quantity of air inlet and exhaust outlet can be regulated at any time after startup, meet the requirement in various place.
Accompanying drawing explanation
Fig. 1 is the broken section structural representation of the adjustable high-power centrifugal blower of air output of the present invention.
Fig. 2 is the left TV structure schematic diagram of Fig. 1.
Fig. 3 is the structural representation under intake grill air velocity duct controlling device wind speed maximum rating of the present invention.
Fig. 4 is the structural representation under intake grill air velocity duct controlling device wind speed minimum state of the present invention.
Fig. 5 is the sectional structure schematic diagram of A-A in Fig. 4.
In figure: 1, left spiral case, 2, right spiral case, 3, left intake grill, 4, left motor shaft mounting bracket, 5, right intake grill, 6, right motor shaft mounting bracket, 7, exhaust outlet, 8, exhaust outlet fastening flange, 9, Double shaft-extension threephase asynchronous, 10, motor shaft, 11, lobus sinister is taken turns, 12, lobus dexter is taken turns, 13, transverse gear air blade, 14, vertically keep out the wind blade, 15, crosswise joint motor, 16, upright controling motor, 17, square air intake pipe, 18, controllable register, 19, slot, 20, L shape connecting rod, 21, cylinder, 22, piston rod, 23, arc wind-guiding inclined-plane.
Embodiment
Particular content of the present invention is described in detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, the centrifugal ventilation of integrated high-power of adjustable wind speed
Machine, comprise: left spiral case 1 and right spiral case 2, the left side of described left spiral case 1 is provided with left intake grill 3 and left motor shaft mounting bracket 4, the right side of described right spiral case 2 is provided with right intake grill 5 and right motor shaft mounting bracket 6, the end face of described left spiral case 1 and right spiral case 2 is provided with an exhaust outlet 7 and exhaust outlet fastening flange 8, described exhaust outlet 7 is connected with right intake grill 5 with left intake grill 3 simultaneously, Double shaft-extension threephase asynchronous 9 is provided with between described left spiral case 1 and right spiral case 2, motor shaft 10 one end of described Double shaft-extension threephase asynchronous 9 is connected with left motor shaft mounting bracket 4 through left spiral case 1, the other end of the motor shaft 10 of described Double shaft-extension threephase asynchronous 9 is connected with right motor shaft mounting bracket 6 through right spiral case 2, motor shaft 10 in described left spiral case 1 is provided with lobus sinister wheel 11, motor shaft 10 in described right spiral case 2 is provided with lobus dexter wheel 12, transverse gear air blade 13 and the blade 14 that vertically keeps out the wind is staggeredly equipped with in described exhaust outlet 7, described transverse gear air blade 13 cooperatively interacts with the crosswise joint motor 15 being arranged on exhaust outlet 7 side, the described blade 14 that vertically keeps out the wind cooperatively interacts with the upright controling motor 16 being arranged on exhaust outlet 7 upper end, the transverse gear air blade 13 be crisscross arranged in described exhaust outlet 7 is consistent with air-conditioner air outlet venetian blind wind shielding structure with blade 14 structure of vertically keeping out the wind, described left intake grill 3 is connected with square air intake pipe 17 respectively with right intake grill 5, described square air intake pipe 17 is provided with wind-speed adjusting device, described wind-speed adjusting device comprises: controllable register 18, described square air intake pipe 17 is provided with the slot 19 cooperatively interacted with controllable register 18, the upper end of described controllable register 18 is connected with the piston rod 22 of cylinder 21 by L shape connecting rod 20, described cylinder 21 is fixedly installed on square air intake pipe 17, the inlet side of described controllable register 18 is provided with arc wind-guiding inclined-plane 23.
During high-power centrifugal blower use that above-mentioned air output is adjustable, blower fan is connected with wind pipe by exhaust outlet fastening flange 8, crosswise joint motor 15, upright controling motor 16 is connected with long distance control system respectively with cylinder 21, start Double shaft-extension threephase asynchronous 9, the motor shaft of Double shaft-extension threephase asynchronous 9 drives lobus sinister wheel 11 and lobus dexter wheel 12 to rotate simultaneously, left intake grill 3 sucks air and enters in left spiral case 1, right intake grill 5 sucks air and enters in right spiral case 2, the air sucked in left spiral case 1 and the interior air sucked of right spiral case 2 enter wind pipe by exhaust outlet 7 simultaneously and discharge outdoor, the moment started, long distance control system controls crosswise joint motor 15 and upright controling motor 16, crosswise joint motor 15 drives transverse gear air blade 13 to rotate, upright controling motor 16 drives the blade 14 that vertically keeps out the wind to rotate, close exhaust outlet, reduce motor load, ensure that motor can normally start.After startup, long distance control system continues to control crosswise joint motor 15 and upright controling motor 16 and drives vertically keep out the wind blade 13 and the blade 14 that vertically keeps out the wind to rotate respectively, the wind speed of each angle is different, until be adjusted to the wind speed in applicable place, long distance control system controls to start cylinder 21 simultaneously, the piston rod 22 of cylinder 21 promotes L shape connecting rod 20 and moves up and down, thus it is mobile to make controllable register 18 drive in slot 19, the cross-section area increased or reduce intake grill reaches the object regulating air intake wind speed, the inlet side of described controllable register 18 is provided with arc wind-guiding inclined-plane 23, can air inlet effect, reduce fan vibration.
Above-mentioned air output is adjustable high-power centrifugal blower; employing Double shaft-extension threephase asynchronous drives the vane rotary in two spiral cases simultaneously; two-way air intake; twice when power is single spiral case and single impeller work in the past; working efficiency is high; greatly save cost of production and installation cost; simultaneously can regulate transverse gear air blade when starting and the blade that vertically keeps out the wind makes the exhaust outlet maintenance full-shut position of blower fan; available protecting motor; prevent from starting; regulate the air quantity of air inlet and exhaust outlet after startup at any time, meet the requirement in various place.
Claims (1)
1. the adjustable high-power centrifugal blower of air output, it is characterized in that: comprising: left spiral case (1) and right spiral case (2), the left side of described left spiral case (1) is provided with left intake grill (3) and left motor shaft mounting bracket (4), the right side of described right spiral case (2) is provided with right intake grill (5) and right motor shaft mounting bracket (6), the end face of described left spiral case (1) and right spiral case (2) is provided with an exhaust outlet (7) and exhaust outlet fastening flange (8), described exhaust outlet (7) is connected with right intake grill (5) with left intake grill (3) simultaneously, Double shaft-extension threephase asynchronous (9) is provided with between described left spiral case (1) and right spiral case (2), motor shaft (10) one end of described Double shaft-extension threephase asynchronous (9) is connected with left motor shaft mounting bracket (4) through left spiral case (1), the other end of the motor shaft (10) of described Double shaft-extension threephase asynchronous (9) is connected with right motor shaft mounting bracket (6) through right spiral case (2), motor shaft (10) in described left spiral case (1) is provided with lobus sinister wheel (11), motor shaft (1) in described right spiral case (2) is provided with lobus dexter wheel (12), transverse gear air blade (13) is staggeredly equipped with and the blade (14) that vertically keeps out the wind in described exhaust outlet (7), described transverse gear air blade (13) cooperatively interacts with the crosswise joint motor (15) being arranged on exhaust outlet (7) side, the described blade (14) that vertically keeps out the wind cooperatively interacts with the upright controling motor (16) being arranged on exhaust outlet (7) upper end, described left intake grill (3) is connected with square air intake pipe (17) respectively with right intake grill (5), described square air intake pipe (17) is provided with wind-speed adjusting device, described wind-speed adjusting device comprises: controllable register (18), described square air intake pipe (17) is provided with the slot (19) cooperatively interacted with controllable register (18), the upper end of described controllable register (18) is connected with the piston rod (22) of cylinder (21) by L shape connecting rod (20), described cylinder (21) is fixedly installed on square air intake pipe (17), the inlet side of described controllable register (18) is provided with arc wind-guiding inclined-plane (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410801402.1A CN104454567A (en) | 2014-12-22 | 2014-12-22 | High-power centrifugal fan with adjustable supply air rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410801402.1A CN104454567A (en) | 2014-12-22 | 2014-12-22 | High-power centrifugal fan with adjustable supply air rate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104454567A true CN104454567A (en) | 2015-03-25 |
Family
ID=52901155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410801402.1A Pending CN104454567A (en) | 2014-12-22 | 2014-12-22 | High-power centrifugal fan with adjustable supply air rate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104454567A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819163A (en) * | 2015-05-19 | 2015-08-05 | 湖北微特风机制造有限公司 | Marine fan structure |
| CN107654415A (en) * | 2017-08-23 | 2018-02-02 | 安徽工程大学 | A kind of wind guiding mechanism of microelectronics purification fan |
| CN108487157A (en) * | 2018-03-29 | 2018-09-04 | 扬州三源机械有限公司 | A kind of sanitation cart slave coupled drive system |
| CN109274595A (en) * | 2018-11-19 | 2019-01-25 | 江苏德联达智能科技有限公司 | Router radiator |
| CN110143332A (en) * | 2019-05-28 | 2019-08-20 | 苏州北纬拾贰度食品有限公司 | A kind of food packing device |
| CN111322649A (en) * | 2020-03-02 | 2020-06-23 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN113107887A (en) * | 2021-04-16 | 2021-07-13 | 江西陶瓷工艺美术职业技术学院 | Drying device for ceramic product manufacturing |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3856431A (en) * | 1973-10-24 | 1974-12-24 | Singer Co | Side expansion scroll-type blowers |
| CN2086334U (en) * | 1991-04-12 | 1991-10-09 | 董楫林 | Fan with pressurizing device |
| CN1147077A (en) * | 1995-07-28 | 1997-04-09 | 三星电子株式会社 | Discharging outlet opening/closing apparatus of air conditioner |
| US20130101451A1 (en) * | 2011-10-20 | 2013-04-25 | The Bergquist-Torrington Company | Double Inlet Centrifugal Blower with a Solid Center Plate |
-
2014
- 2014-12-22 CN CN201410801402.1A patent/CN104454567A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3856431A (en) * | 1973-10-24 | 1974-12-24 | Singer Co | Side expansion scroll-type blowers |
| CN2086334U (en) * | 1991-04-12 | 1991-10-09 | 董楫林 | Fan with pressurizing device |
| CN1147077A (en) * | 1995-07-28 | 1997-04-09 | 三星电子株式会社 | Discharging outlet opening/closing apparatus of air conditioner |
| US20130101451A1 (en) * | 2011-10-20 | 2013-04-25 | The Bergquist-Torrington Company | Double Inlet Centrifugal Blower with a Solid Center Plate |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819163A (en) * | 2015-05-19 | 2015-08-05 | 湖北微特风机制造有限公司 | Marine fan structure |
| CN104819163B (en) * | 2015-05-19 | 2017-07-21 | 湖北微特风机制造有限公司 | A kind of marine fan structure |
| CN107654415A (en) * | 2017-08-23 | 2018-02-02 | 安徽工程大学 | A kind of wind guiding mechanism of microelectronics purification fan |
| CN108487157A (en) * | 2018-03-29 | 2018-09-04 | 扬州三源机械有限公司 | A kind of sanitation cart slave coupled drive system |
| CN109274595A (en) * | 2018-11-19 | 2019-01-25 | 江苏德联达智能科技有限公司 | Router radiator |
| CN110143332A (en) * | 2019-05-28 | 2019-08-20 | 苏州北纬拾贰度食品有限公司 | A kind of food packing device |
| CN111322649A (en) * | 2020-03-02 | 2020-06-23 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN111322649B (en) * | 2020-03-02 | 2021-10-29 | 宁波方太厨具有限公司 | Fume exhaust fan |
| CN113107887A (en) * | 2021-04-16 | 2021-07-13 | 江西陶瓷工艺美术职业技术学院 | Drying device for ceramic product manufacturing |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150325 |