CN112112821A - Low-noise filtering type centrifugal fan - Google Patents
Low-noise filtering type centrifugal fan Download PDFInfo
- Publication number
- CN112112821A CN112112821A CN202010928234.8A CN202010928234A CN112112821A CN 112112821 A CN112112821 A CN 112112821A CN 202010928234 A CN202010928234 A CN 202010928234A CN 112112821 A CN112112821 A CN 112112821A
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- Prior art keywords
- centrifugal fan
- plate
- fixedly connected
- fixed
- bottom plate
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- 238000001914 filtration Methods 0.000 title claims abstract description 42
- 238000001816 cooling Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- 230000035939 shock Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
-
- 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
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
-
- 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
- F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
-
- 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
- F04D29/4233—Fan casings with volutes extending mainly in axial or radially inward direction
-
- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/584—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling or heating the machine
-
- 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/626—Mounting or removal of fans
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
Abstract
The invention discloses a low-noise filtering type centrifugal fan, and relates to the technical field of centrifugal fans; in order to solve the fixed firm and fixed convenient problem, specifically include the right angle fixed plate, the first bottom plate of one side fixedly connected with of right angle fixed plate, the fixed orifices has all been seted up to the four corners department of right angle fixed plate one side, the fixed slot has all been seted up to the left and right sides of right angle fixed plate another side, this low noise's filtration formula centrifugal fan passes through the right angle fixed plate, the cooperation setting of fixed orifices and fixed slot, in the use, can fix this low noise's filtration formula centrifugal fan at horizontal position through the fixed orifices, can fix this low noise's filtration formula centrifugal fan at the vertical position through the fixed slot, can change fixed position at will, not only make this low noise's filtration formula centrifugal fan fix at horizontal position fixed firm, make this low noise's filtration formula centrifugal fan fix at horizontal.
Description
Technical Field
The invention relates to the technical field of centrifugal fans, in particular to a low-noise filter type centrifugal fan.
Background
The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion. At present centrifugal fan is at the operation in-process, and the air current that gets into the fan at a high speed can be in air intake department formation noise, produces vibration, and serious polluted environment influences normal work to current centrifugal fan's function is comparatively single, and the practicality is not strong.
Disclosure of Invention
The invention aims to solve the defects of noise generation, vibration generation, serious environmental pollution, influence on normal work and the like in the prior art, and provides a low-noise filter type centrifugal fan.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a filtration formula centrifugal fan of low noise, includes right angle fixed plate and fan main part, the first bottom plate of one side fixedly connected with of right angle fixed plate, the first flexible post of the equal fixedly connected with in four corners department of first bottom plate upper surface, first spring has been cup jointed to the surface of first flexible post, the first roof of top fixedly connected with of the flexible post of spring, the upper surface of first roof passes through the first fixing base of bolt fixedly connected with, the fixed orifices has all been seted up in four corners department of right angle fixed plate side, the fixed slot has all been seted up to the left and right sides of right angle fixed plate another side.
Preferably: one side fixedly connected with second bottom plate of right angle fixed plate, the equal fixedly connected with flexible post of second in four corners department of second bottom plate upper surface, the surface of the flexible post of second has cup jointed the second spring.
Preferably: the top end of the spring telescopic column is fixedly connected with a second top plate, and the upper surface of the second top plate is fixedly connected with a second fixing seat through a bolt.
Preferably: the outer surface of the fan main body is fixedly connected with a plurality of radiating fins, and the radiating fins are arranged in an annular array by using the axial lead of the fan main body.
Preferably: one side swing joint of fan main part output has the shield, the material of shield is plastics.
Preferably: the number of the fixing holes is four, and the four fixing holes are arranged at four corners of the upper surface of the right-angle fixing plate in a rectangular array mode.
Preferably: the right-angle fixing plate is made of stainless steel, and the thickness of the right-angle fixing plate is two centimeters.
Preferably: the number of the fixing grooves is two, and the two fixing grooves are symmetrically arranged by a vertical center line of the right-angle fixing plate.
Preferably: the first bottom plate, the first telescopic column, the first spring, the first top plate and the first fixing seat are the same as the second bottom plate, the second telescopic column, the second spring, the second top plate and the second fixing seat in structure.
Preferably: the first bottom plate and the first top plate are arranged in parallel, and the second bottom plate and the second top plate are arranged in parallel.
Preferably: first rubber is fixedly connected between the first bottom plate and the first top plate, and second rubber is fixedly connected between the second bottom plate and the second top plate.
The invention has the beneficial effects that:
1. this filtration formula centrifugal fan of low noise, through the cooperation setting of right angle fixed plate, fixed orifices and fixed slot, in the use, can fix the filtration formula centrifugal fan of this low noise at horizontal position through the fixed orifices, can fix the filtration formula centrifugal fan of this low noise at the vertical position through the fixed slot, can change fixed position at will, not only make the filtration formula centrifugal fan of this low noise fix at horizontal position fixed firm, make the filtration formula centrifugal fan of this low noise fix at horizontal position convenient moreover.
2. This filtration formula centrifugal fan of low noise, through first bottom plate, first flexible post, first spring, first roof, the cooperation setting of first fixing base and first rubber, in the use, the filtration formula centrifugal fan that can make this low noise fixes the shock attenuation of being convenient for at horizontal position, through the second bottom plate, the flexible post of second, the second spring, the second roof, the cooperation setting of second fixing base and second rubber, in the use, can make the filtration formula centrifugal fan of this low noise fix the shock attenuation of being convenient for at the vertical position.
3. Through the setting of fin, in the use, because the fin is fixed in fan main part on, the fan main part of being convenient for dispels the heat to make this low noise's filtration formula centrifugal fan can dispel the heat, through the setting of shield, in the use, make this low noise's filtration formula centrifugal fan play dirt-proof effect.
Drawings
Fig. 1 is a first view structural schematic diagram of a low-noise filter type centrifugal fan according to the present invention;
fig. 2 is a schematic front view angle structure diagram of a low-noise filter type centrifugal fan according to the present invention;
fig. 3 is a second view structural diagram of a low-noise filter type centrifugal fan according to the present invention;
fig. 4 is a third view structural diagram of a low-noise filter type centrifugal fan according to the present invention.
Fig. 5 is a schematic top view of a low-noise filter type centrifugal fan according to the present invention;
fig. 6 is a rear view structural schematic diagram of a low-noise filter type centrifugal fan according to the present invention;
fig. 7 is a left side view schematically illustrating a low-noise filter type centrifugal fan according to the present invention;
fig. 8 is a schematic bottom view of a low-noise filter type centrifugal fan according to the present invention.
Fig. 9 is an enlarged schematic structural diagram of a point a in fig. 2 of a low-noise filter type centrifugal fan according to the present invention;
fig. 10 is an enlarged schematic structural diagram of a low-noise filter type centrifugal fan shown in fig. 2 at B.
In the figure: 1. a right-angle fixing plate; 2. a first base plate; 3. a first telescopic column; 4. a first spring; 5. a first top plate; 6. a first fixed seat; 7. a fixing hole; 8. fixing grooves; 9. a fan main body; 10. a second base plate; 11. a second telescopic column; 12. a second spring; 13. a second top plate; 14. a second fixed seat; 15. a heat sink; 16. a dust cover; 17. a first rubber; 18. a second rubber.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example (b):
a low-noise filter type centrifugal fan comprises a right-angle fixing plate 1 and a fan main body 9, wherein one side of the right-angle fixing plate 1 is fixedly connected with a first bottom plate 2, four corners of the upper surface of the first bottom plate 2 are fixedly connected with first telescopic columns 3, the outer surfaces of the first telescopic columns 3 are sleeved with first springs 4, the top ends of the spring telescopic columns 3 are fixedly connected with a first top plate 5, the upper surface of the first top plate 5 is fixedly connected with a first fixing seat 6 through bolts, four corners of one side surface of the right-angle fixing plate 1 are respectively provided with a fixing hole 7, the left side and the right side of the other side surface of the right-angle fixing plate 1 are respectively provided with a fixing groove 8, one side of the right-angle fixing plate 1 is fixedly connected with a second bottom plate 10, four corners of the upper surface of the second bottom plate 10 are respectively fixedly connected with second telescopic columns 11, the outer surfaces of the second telescopic columns 11 are, the upper surface of the second top plate 13 is fixedly connected with a second fixing seat 14 through bolts, the outer surface of the fan main body 9 is fixedly connected with radiating fins 15, the number of the radiating fins 15 is a plurality, the plurality of radiating fins 15 are arranged in an annular array mode by using the axial lead of the fan main body 9, one side of the output end of the fan main body 9 is movably connected with a dustproof cover 16, the dustproof cover 16 is made of plastic, the number of the fixing holes 7 is four, the four fixing holes 7 are arranged at the four corners of the upper surface of the right-angle fixing plate 1 in a rectangular array mode, the right-angle fixing plate 1 is made of stainless steel, the thickness of the right-angle fixing plate 1 is two centimeters, the number of the fixing grooves 8 is two, the two fixing grooves 8 are symmetrically arranged by using the vertical central lead of the right-angle fixing plate 1, and the first bottom plate 2, the first telescopic column 3, the first spring 4, The structure of the second telescopic column 11, the second spring 12, the second top plate 13 and the second fixing seat 14 is the same, the first bottom plate 2 and the first top plate 5 are arranged in parallel, the second bottom plate 10 and the second top plate 13 are arranged in parallel, the first bottom plate 2 and the first top plate 5 are fixedly connected with first rubber 17, and the second bottom plate 10 and the second top plate 13 are fixedly connected with second rubber 18.
The fixing device aims at solving the problems of firm fixing and convenient fixing; as shown in fig. 1, fig. 3, fig. 4 and fig. 8 show, the first bottom plate 2 of one side fixedly connected with of right angle fixed plate 1, fixed orifices 7 have all been seted up to the four corners department of 1 side of right angle fixed plate, fixed slot 8 has all been seted up to the left and right sides of 1 another side of right angle fixed plate, through right angle fixed plate 1, the cooperation setting of fixed orifices 7 and fixed slot 8, in the use, can fix the filtration formula centrifugal fan of this low noise at horizontal position through fixed orifices 7, can fix the filtration formula centrifugal fan of this low noise at vertical position through fixed slot 8, can change fixed position at will, not only make the filtration formula centrifugal fan of this low noise fix at horizontal position fixedly firm, and make the filtration formula centrifugal fan of this low noise fix at horizontal position convenient.
In order to solve the problem of shock absorption; as shown in fig. 1, 2, 9 and 10, four corners of the upper surface of the first base plate 2 are fixedly connected with first telescopic columns 3, the outer surface of the first telescopic columns 3 is sleeved with first springs 4, the top ends of the spring telescopic columns 3 are fixedly connected with first top plates 5, the upper surfaces of the first top plates 5 are fixedly connected with first fixed seats 6 through bolts, through the matching arrangement of the first bottom plate 2, the first telescopic column 3, the first spring 4, the first top plate 5, the first fixed seat 6 and the first rubber 9, in the using process, the low-noise filtering centrifugal fan can be fixed in a horizontal position to facilitate the shock absorption, through the matching arrangement of the second bottom plate 10, the second telescopic column 11, the second spring 12, the second top plate 13, the second fixed seat 14 and the second rubber 17, in the use, can make this low noise filtration formula centrifugal fan fix the shock attenuation of being convenient for in vertical position.
In order to solve the problems of heat dissipation and dust prevention; as shown in fig. 1, fig. 2 and fig. 5, outer fixed surface of fan main body 9 is connected with fin 15, through the setting of shield 16, in the use, make this low noise filtration formula centrifugal fan play dirt-proof effect, through the setting of fin 15, in the use, because fin 15 is fixed in on fan main body 9, be convenient for fan main body 9 dispels the heat, thereby make this low noise filtration formula centrifugal fan can dispel the heat, through the setting of shield 16, in the use, make this low noise filtration formula centrifugal fan play dirt-proof effect.
This embodiment is when using, through right angle fixed plate 1, the cooperation setting of fixed orifices 7 and fixed slot 8, in the use, can fix this low noise filtration formula centrifugal fan at horizontal position through fixed orifices 7, can fix this low noise filtration formula centrifugal fan at the vertical position through fixed slot 8, can change fixed position at will, not only make this low noise filtration formula centrifugal fan fix at horizontal position fixedly firm, and make this low noise filtration formula centrifugal fan fix at horizontal position fixedly convenient, through first bottom plate 2, first flexible post 3, first spring 4, first roof 5, first fixing base 6 and the cooperation setting of first rubber 9, in the use, can make this low noise filtration formula centrifugal fan fix at horizontal position and be convenient for the shock attenuation, through second bottom plate 10, second flexible post 11, second spring 12, Second roof 13, the cooperation setting of second fixing base 14 and second rubber 17, in the use, can make this low noise filtration formula centrifugal fan fix the shock attenuation of being convenient for at the vertical position, through the setting of fin 15, in the use, because fin 15 is fixed in on fan main part 9, the fan main part 9 of being convenient for dispels the heat, thereby make this low noise filtration formula centrifugal fan can dispel the heat, through the setting of shield 16, in the use, make this low noise filtration formula centrifugal fan play dirt-proof effect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (10)
1. The utility model provides a filtration formula centrifugal fan of low noise, includes right angle fixed plate (1) and fan main part (9), its characterized in that, the first bottom plate of one side fixedly connected with (2) of right angle fixed plate (1), the first flexible post of the equal fixedly connected with in four corners department of first bottom plate (2) upper surface (3), first spring (4) have been cup jointed to the surface of first flexible post (3), the first roof of top fixedly connected with (5) of the flexible post of spring (3), the upper surface of first roof (5) passes through the first fixing base of bolt fixedly connected with (6), fixed orifices (7) have all been seted up in the four corners department of right angle fixed plate (1) side, fixed slot (8) have all been seted up to the left and right sides of right angle fixed plate (1) another side.
2. The low-noise filtering centrifugal fan according to claim 1, wherein a second bottom plate (10) is fixedly connected to one side of the right-angle fixing plate (1), second telescopic columns (11) are fixedly connected to four corners of the upper surface of the second bottom plate (10), and second springs (12) are sleeved on the outer surfaces of the second telescopic columns (11).
3. The low-noise filtering centrifugal fan according to claim 2, wherein a second top plate (13) is fixedly connected to the top end of the spring telescopic column (12), and a second fixed seat (14) is fixedly connected to the upper surface of the second top plate (13) through a bolt.
4. The low-noise filtering centrifugal fan according to claim 1, wherein the outer surface of the fan main body (9) is fixedly connected with a plurality of cooling fins (15), the number of the cooling fins (15) is several, and the several cooling fins (15) are arranged in an annular array around the axial lead of the fan main body (9).
5. The low-noise filtering centrifugal fan according to claim 1, wherein a dust cover (16) is movably connected to one side of the output end of the fan main body (9), and the dust cover (16) is made of plastic.
6. A low-noise filter type centrifugal fan according to claim 1, wherein the number of the fixing holes (7) is four, and four fixing holes (7) are opened at four corners of the upper surface of the right-angle fixing plate (1) in a rectangular array.
7. The centrifugal fan with low noise and filtration of claim 1, wherein the right-angle fixing plate (1) is made of stainless steel, and the thickness of the right-angle fixing plate (1) is two centimeters.
8. A low noise filter centrifugal fan according to claim 1, wherein the number of the fixing grooves (8) is two, and the two fixing grooves (8) are symmetrically arranged with respect to the vertical center line of the right-angle fixing plate (1).
9. A low noise filter centrifugal fan according to claim 2, wherein the first bottom plate (2), the first telescopic column (3), the first spring (4), the first top plate (5) and the first fixing seat (6) are the same as the second bottom plate (10), the second telescopic column (11), the second spring (12), the second top plate (13) and the second fixing seat (14).
10. A low noise filter centrifugal fan according to claim 3, wherein the first bottom plate (2) and the first top plate (5) are arranged in parallel, and the second bottom plate (10) and the second top plate (13) are arranged in parallel; first rubber (17) is fixedly connected between the first bottom plate (2) and the first top plate (5), and second rubber (18) is fixedly connected between the second bottom plate (10) and the second top plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010928234.8A CN112112821A (en) | 2020-09-07 | 2020-09-07 | Low-noise filtering type centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010928234.8A CN112112821A (en) | 2020-09-07 | 2020-09-07 | Low-noise filtering type centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112112821A true CN112112821A (en) | 2020-12-22 |
Family
ID=73802193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010928234.8A Pending CN112112821A (en) | 2020-09-07 | 2020-09-07 | Low-noise filtering type centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112112821A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876832A (en) * | 2022-04-26 | 2022-08-09 | 安徽理工大学 | Cyclone air inlet centrifugal fan |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2285438Y (en) * | 1996-11-08 | 1998-07-01 | 修永明 | Central moving type air conditioner |
| JP2012127313A (en) * | 2010-12-17 | 2012-07-05 | Dmw Corp | Vertical tool and horizontal tool of vertical-shaft rotary machine |
| CN203978882U (en) * | 2014-07-13 | 2014-12-03 | 高松 | A kind of boiler centrifugal draught fan |
| CN204025075U (en) * | 2014-03-24 | 2014-12-17 | 浙江白云泵业有限公司 | Horizontal centrifugal pump |
| CN109185195A (en) * | 2018-09-30 | 2019-01-11 | 江苏双菊风机有限公司 | A kind of box type fan with damping device |
| CN110094372A (en) * | 2019-05-17 | 2019-08-06 | 上海工程技术大学 | A kind of automatic pressure-regulating type blower damper and control method |
| CN209904762U (en) * | 2019-05-29 | 2020-01-07 | 永城煤电控股集团有限公司 | Adjustable lamp for mine transport vehicle |
-
2020
- 2020-09-07 CN CN202010928234.8A patent/CN112112821A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2285438Y (en) * | 1996-11-08 | 1998-07-01 | 修永明 | Central moving type air conditioner |
| JP2012127313A (en) * | 2010-12-17 | 2012-07-05 | Dmw Corp | Vertical tool and horizontal tool of vertical-shaft rotary machine |
| CN204025075U (en) * | 2014-03-24 | 2014-12-17 | 浙江白云泵业有限公司 | Horizontal centrifugal pump |
| CN203978882U (en) * | 2014-07-13 | 2014-12-03 | 高松 | A kind of boiler centrifugal draught fan |
| CN109185195A (en) * | 2018-09-30 | 2019-01-11 | 江苏双菊风机有限公司 | A kind of box type fan with damping device |
| CN110094372A (en) * | 2019-05-17 | 2019-08-06 | 上海工程技术大学 | A kind of automatic pressure-regulating type blower damper and control method |
| CN209904762U (en) * | 2019-05-29 | 2020-01-07 | 永城煤电控股集团有限公司 | Adjustable lamp for mine transport vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876832A (en) * | 2022-04-26 | 2022-08-09 | 安徽理工大学 | Cyclone air inlet centrifugal fan |
| CN114876832B (en) * | 2022-04-26 | 2023-09-26 | 安徽理工大学 | Rotational flow air inlet centrifugal fan |
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Application publication date: 20201222 |