CN105508269A - Fan and ventilator - Google Patents
Fan and ventilator Download PDFInfo
- Publication number
- CN105508269A CN105508269A CN201511031906.0A CN201511031906A CN105508269A CN 105508269 A CN105508269 A CN 105508269A CN 201511031906 A CN201511031906 A CN 201511031906A CN 105508269 A CN105508269 A CN 105508269A
- Authority
- CN
- China
- Prior art keywords
- housing
- blower fan
- conversion equipment
- exhaust outlet
- impeller
- 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
Links
- 238000006243 chemical reaction Methods 0.000 claims description 32
- 239000006096 absorbing agent Substances 0.000 claims description 26
- 230000035939 shock Effects 0.000 claims description 26
- 229920001971 elastomer Polymers 0.000 claims description 18
- 239000000806 elastomer Substances 0.000 claims description 13
- 230000000241 respiratory effect Effects 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- 230000004308 accommodation Effects 0.000 abstract 3
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000013461 design Methods 0.000 description 6
- 239000013013 elastic material Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000012634 fragment Substances 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/163—Combinations of two or more pumps ; Producing two or more separate gas flows driven by a common gearing arrangement
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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
- 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
-
- 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
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
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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
- 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
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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
- 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
- F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
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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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a fan and a ventilator. The fan comprises a first shell, a second shell and a rotor body, wherein the first shell is provided with a first air inlet; the second shell is fixedly connected with the first shell to form an accommodation cavity; the second shell is provided with multiple air supply holes; the rotor body is arranged in the accommodation cavity, and the accommodation cavity is divided into a first cavity body and a second cavity body; the rotor body is provided with a rotating shaft, and a first impeller is arranged at the first end, close to the first air inlet, of the rotating shaft; the rotor body further comprises a housing, and an airflow passage communicated with the multiple air supply holes is formed between the housing and the second shell. According to the fan, the second shell is provided with the multiple air supply holes, and by the multiple air supply holes, airflow can be effectively combed, thereby avoiding formation of turbulent flow and/or eddy current, making the airflow smoother and reducing running noise of the fan. The invention further provides the ventilator, which is provided with the fan provided by the invention. The ventilator has the characteristics of stable airflow and low running noise.
Description
Technical field
The present invention relates to respiratory machine technical field, more specifically, relate to a kind of blower fan and comprise the respiratory machine of this blower fan.
Background technique
Home ventilator is the medical equipment utilizing blower fan generation power to replace, control or change the autonomous respiration campaign of human body.Blower fan is as the main functional modules of home ventilator, and the many-side such as performance, outward appearance for home ventilator has the impact of guidance quality.The performance of home ventilator, especially outward appearance all will design around the form in the delivery outlet direction of blower fan.
At present, the power source of existing home ventilator all uses blower fan, but existing blower fan all adopts the form of single delivery outlet.The delivery outlet of some blower fans and inlet hole are that tangential mode is arranged, and some delivery outlets and inlet hole are the form of coaxial direction.The form of single delivery outlet easily produces turbulent flow and/or eddy current, and during fan operation, noise is very large.
Summary of the invention
The exhaust outlet that an object of the present invention is to solve existing blower fan used for respirators is single, easily produces turbulent flow or eddy current, and runs the large technical problem of noise.
According to a first aspect of the invention, provide a kind of blower fan, this blower fan comprises:
Be provided with the first housing of the first intake grill;
Second housing, described second housing is fixedly connected with described first housing, to form receiving cavity; Described second housing is provided with multiple wind pushing hole; And
Rotor body, described rotor body is located at described receiving cavity and described receiving cavity is divided into the first cavity and the second cavity; Described rotor body is provided with rotating shaft, and the first end of close described first intake grill of described rotating shaft is provided with the first impeller; Described rotor body also comprises shell, has the air-flow path be communicated with described multiple wind pushing hole between described shell with described second housing.
Preferably, described blower fan also comprises the spaced deflector turning font downstream described in multiple being arranged at, and described deflector comprises multiple spaced guide plate, forms guide channel between two adjacent described guide plates; Described shell deflector is provided with the first exhaust outlet, and described guide channel is communicated with described air-flow path and described first exhaust outlet.。
Preferably, also comprise the second impeller of the second end being arranged at described rotating shaft, described second impeller is positioned at described second cavity; Described first exhaust outlet is directly communicated with the second intake grill of described second impeller.
Preferably, also comprise the conversion equipment be sheathed on outside described second housing, described conversion equipment is provided with the second exhaust outlet be communicated with described multiple wind pushing hole.
Preferably, described conversion equipment is sheathed on described second housing rotationally, to change the direction of described second exhaust outlet.
Preferably, the inwall of described conversion equipment is provided with elastomer, and described elastomer is connected to the end of described second housing, to cushion vibration during fan operation.
Preferably, between described first housing and parts to be installed, be provided with shock absorber, to cushion vibration during fan operation.
Preferably, the material of described shock absorber and/or described conversion equipment is silica gel or rubber.
Preferably, described shock absorber is connected to form assembly with described conversion equipment, and described assembly is one-body molded.
According to a second aspect of the invention, provide a kind of respiratory machine, described respiratory machine is provided with described blower fan provided by the invention.
The invention provides a kind of blower fan and respiratory machine, this blower fan is provided with multiple wind pushing hole at the second housing.Multiple wind pushing hole can combing air-flow effectively, thus avoids the generation of turbulent flow and/or eddy current, makes air-flow more smooth and easy, reduces noise during fan operation.
It is steady that this respiratory machine has air-flow, and run the little feature of noise.
The present inventor finds, in the prior art, the exhaust outlet of blower fan and respiratory machine only has one, and air-out direction is single.Therefore, the technical assignment that the present invention will realize or technical problem to be solved are that those skilled in the art never expect or do not anticipate, therefore the present invention is a kind of new technological scheme.
By referring to the detailed description of accompanying drawing to exemplary embodiment of the present invention, further feature of the present invention and advantage thereof will become clear.
Accompanying drawing explanation
In the description combined and the accompanying drawing forming a part for specification shows embodiments of the invention, and illustrate that one is used from and explains principle of the present invention together with it.
Fig. 1: the sectional view of the blower fan of the embodiment of the present invention;
Fig. 2: the exploded view of the blower fan of the embodiment of the present invention;
Fig. 3: the air-flow of the blower fan of the embodiment of the present invention moves towards figure;
Fig. 4: the sectional view of the double-vane fan of the embodiment of the present invention;
Fig. 5: the air-flow of the double-vane fan of the embodiment of the present invention moves towards figure;
Fig. 6: the sectional view adding the blower fan of conversion equipment of the embodiment of the present invention;
Fig. 7: the air-flow adding the blower fan of conversion equipment of the embodiment of the present invention moves towards figure;
Fig. 8: the sectional view of the another kind of conversion equipment of the embodiment of the present invention;
Fig. 9: the sectional view adding the blower fan of shock absorber of the embodiment of the present invention;
Figure 10: the sectional view adding the blower fan of assembly of the embodiment of the present invention.
Wherein, 1: the first housing; 101: the first intake grills; 102: the first exhaust outlets; 103: guide channel; 104: guide plate; 2: the first impellers; 3: rotating shaft; 4: rotor body; 5: the second housings; 501: the second intake grills; 502: wind pushing hole; 6: the second impellers; 7: conversion equipment; 701: the second exhaust outlets; 702: elastomer; 8: shock absorber; 9: assembly.
Embodiment
Various exemplary embodiment of the present invention is described in detail now with reference to accompanying drawing.It should be noted that: unless specifically stated otherwise, otherwise positioned opposite, the numerical expression of the parts of setting forth in these embodiments and step and numerical value do not limit the scope of the invention.
Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the present invention and application or use.
May not discuss in detail for the known technology of person of ordinary skill in the relevant, method and apparatus, but in the appropriate case, described technology, method and apparatus should be regarded as a part for specification.
In all examples with discussing shown here, any occurrence should be construed as merely exemplary, instead of as restriction.Therefore, other example of exemplary embodiment can have different values.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to be further discussed it in accompanying drawing subsequently.
The invention provides a kind of blower fan, with reference to Fig. 1-2, this blower fan comprises: the first housing 1, rotor body 4 and the second housing 5.First housing 1 is provided with the first intake grill 101.Second housing 5 matches with the first housing 1, and the first housing 1 is fixedly connected with the second housing 5, to form receiving cavity.Second housing 5 is provided with multiple wind pushing hole 502, for the air-out of blower fan.The direction of wind pushing hole 502 can perpendicular to rotating shaft 3, or along the tangent direction spatial vertical of the second housing 5 in rotating shaft 3, wind pushing hole 502 also can be set to the direction parallel with rotating shaft 3.Certainly, according to actual needs, wind pushing hole 502 also can with rotating shaft 3 in arbitrarily angled, and the present invention does not limit this.Can combing air-flow effectively by arranging multiple wind pushing hole, thus avoid the generation of turbulent flow and/or eddy current, make air-flow more smooth and easy, reduce noise during fan operation.
With reference to Fig. 2, rotor body 4 is located in receiving cavity, and receiving cavity is divided into the first cavity and the second cavity.Rotor body 4 is provided with rotating shaft 3, is provided with shell outside rotor body 4.Between shell and the second housing 5, there is gap, thus form air-flow path.Directly can discharge from wind pushing hole 502 along the sidewall of the second housing 5 from air-flow path effluent air, make the outflow of air-flow smoothly.
Preferably, blower fan also can comprise multiple spaced deflector being arranged at rotor body 4 downstream, and deflector comprises the spaced guide plate 104 of polylith, forms guide channel 103 between two adjacent guide plates 104; Shell deflector is provided with the first exhaust outlet 102.Guide channel 103 is communicated with air-flow path and the first exhaust outlet 102, and guide plate 104 can avoid the disorder of air-flow effectively, makes airflow smooth, to improve the efficiency of blower fan.First exhaust outlet 102 and the first intake grill 101 are coaxially arranged, and like this, air-flow can be made more smooth and easy.First exhaust outlet 102 is communicated with guide channel 103, is communicated with the second cavity to make the first cavity by the first exhaust outlet 102.One end near the first intake grill 101 of rotating shaft 3 is provided with the first impeller 2, first impeller 2 and is located at the first cavity.The other end of rotating shaft 3 passes from the first exhaust outlet 102, arrives the second cavity.
Under normal circumstances, the cross section of receiving cavity is circular, to adapt to the shape of rotor body 4.First intake grill 101 and the first exhaust outlet 102 are circular, and the diameter of the first intake grill 101 is greater than the diameter of the first exhaust outlet 102, and the size of the first intake grill 101 and the first exhaust outlet 102 needs to design according to the characteristic into and out of air quantity and impeller.Certainly, the shape of the first intake grill 101 and the first exhaust outlet 102, can design as required, the present invention does not limit this.
During work, with reference to Fig. 3, rotor rotates in magnetic field, and drive rotating shaft 3 to rotate, rotating shaft 3 is provided with the first impeller 2.First impeller 2 rotates with rotating shaft 3, is sucked by air-flow from the first intake grill 101.Air-flow enters from the middle part of impeller, and approach axis is axially; After the first impeller 2, air-flow becomes radial direction; Then, air-flow is by air-flow path, guide channel 103; Next, air-flow arrives the first exhaust outlet 102; After the first exhaust outlet 102, air-flow arrives the second cavity; Finally, air-flow is exported by multiple wind pushing hole 502.Multiple wind pushing hole 502 can combing air-flow effectively, thus avoids the generation of turbulent flow and/or eddy current, makes air-flow more smooth and easy, reduces noise during fan operation.
In order to make air-flow flow out more uniformly, with reference to Fig. 2, multiple wind pushing hole 502 is distributed in the second housing 5 uniformly.Shape, the size of wind pushing hole 502 can design as required, and the present invention does not limit this.
In order to improve flow velocity, the increase air pressure of air-flow.With reference to Fig. 4-5, the second end of rotating shaft 3 is provided with the second impeller 6, second impeller 6 and is positioned at the second cavity.First exhaust outlet 102 is directly communicated with the intake grill (i.e. the second intake grill 501) of the second impeller 6.This blower fan becomes double-vane fan.
During work, with reference to Fig. 5, rotor rotates in magnetic field, and drive rotating shaft 3 to rotate, rotating shaft 3 is provided with the first impeller 2.First impeller 2 rotates with rotating shaft 3, is sucked by air-flow from the first intake grill 101.Air-flow enters from the middle part of impeller, and approach axis is axially; After the first impeller 2, air-flow becomes radial direction; Then, air-flow is by the guide channel 103 between upper casing 1 and housing; Next, air-flow arrives the first exhaust outlet 102; The second cavity is arrived, second intake grill 501 of the first exhaust outlet 102 namely for blowing for the second impeller 6 through the first exhaust outlet 102.Meanwhile, due to the existence of the second impeller 6, the second impeller 6 and the first impeller 2 synchronous axial system, accelerates again by the air-flow of the second intake grill 501 and supercharging; Finally, air-flow is exported by multiple wind pushing hole 502.Due to the existence of the second impeller 6, make air-flow in blower fan through twice acceleration and supercharging.This structure improves flow and the air pressure of blower fan effectively, improves the efficiency of blower fan.
Further, the first impeller 2 is identical with the specification of the second impeller 6.More can mate the air inlet requirement of the second impeller 6 from the first impeller 2 air-flow out, thus make air-flow more smooth and easy.Further, the spare unit of blower fan, spare part specification are consistent, easilier keep in repair blower fan or change the component of blower fan, reduce the difficulty of the maintenance of blower fan.
In order to adapt to the requirement of supplying gas of different respiratory machines, with reference to Fig. 6-8, the profile of the second housing 5 of blower fan be circular, and conversion equipment 7 is sheathed on the second housing 5, conversion equipment 7 for pneumatic convey that wind pushing hole 502 is flowed out to the position set.Conversion equipment 7 is provided with the second exhaust outlet 701, and conversion equipment 7 rotates around the second housing 5, to change the direction of the second exhaust outlet 701, thus adapts to different requirements of supplying gas.The use of conversion equipment 7 can meet the requirement of supplying gas of different direction.Conveniently to switching device 7, the diameter that the second housing 5 can be arranged the place end of wind pushing hole 502 is less than the diameter of the place end that the second housing 5 coordinates with the first housing 4.
During use, with reference to Fig. 7, wind pushing hole 502 air-flow out arrives conversion equipment 7, and the second exhaust outlet 701 through conversion equipment 7 flows out, and arrives the place used.Conversion equipment 7 can rotate around the second housing 5, and the second exhaust outlet 701 of conversion equipment 7 can be exported from different directions.Improve the applicability of blower fan.Selectively, the second exhaust outlet 701 can be set to the direction parallel with rotating shaft 3, also can be set to the direction vertical with rotating shaft 3.In another embodiment of the present invention, with reference to Fig. 8, the second exhaust outlet 701 of conversion equipment 7 is set to the direction with shaft parallel, and is positioned at the middle part of the bottom surface of conversion equipment 7.Certainly, according to actual needs, the second exhaust outlet 701 also can be set to other directions.The size and dimension of the second exhaust outlet 701 should match with the pressure of air output and wind, and this size and dimension can design as required.
Further, with reference to Fig. 7 or Fig. 8, the inwall relative with open end of conversion equipment 7 is provided with elastomer 702, and elastomer 702 is connected to the end of the second housing 5, to cushion vibration during fan operation.Elastomer 702 can be conical, cylindrical or other shapes.The material of elastomer 702 can be silica gel or plastic cement.The material of conversion equipment 7 also can select the material same with elastomer 702.Further, conveniently process, elastomer 702 and conversion equipment 7 adopt one-body molded processing technology, as shaping in integrated injection molding encapsulate.Certainly, elastomer 702 also can adopt the elastic element such as spring or shell fragment.When fan operation, spring or shell fragment also can slowing down vibrations effectively.
Further, between the first housing 1 and parts to be installed, be provided with shock absorber 8, to cushion vibration during fan operation.Parts to be installed can be the housings installing blower fan.This shock absorber 8 can adopt elastic material, also can adopt the buffer element such as spring, shell fragment.
In one embodiment of the invention, with reference to Fig. 9, the cross section of shock absorber 8 is the V-arrangement stood upside down, and shock absorber 8 is sheathed on the first housing 1, and shock absorber 8 is elastic material.Particularly, shock absorber 8 is circular, and the position between inner ring and outer shroud is recessed to form folded part, and the cross section of folded part is the V-arrangement stood upside down, and folded part adopts elastic material.The size of the size of the internal diameter of inner ring and the external diameter of the first housing 1 matches, and connects so that described shock absorber 8 is connected to the first housing 1.Certainly, folded part also can be U-shaped, C shape or Z-shaped structure, or is the structure of multiple V-arrangement, as long as can play the effect vibrated when slowing down fan operation, the present invention does not limit this.
Vibrate during fan operation, this vibration passing is to folded part, and because folded part adopts the structural design of easy resilience, and folded part adopts elastic material, therefore can effectively by the energy dropoff of vibration or elimination.Selectively, the elastic material that folded part adopts is silica gel or rubber.Other positions of shock absorber 8 can adopt silica gel or rubber.For the ease of processing, shock absorber 8 adopts one-body molded processing technology, as shaping in integrated injection molding encapsulate.Certainly, shock absorber 8 can be designed to other structures as required, does not limit this present invention.
For the ease of the installation of shock absorber 8, the outer wall of the first housing 1 is provided with projection, and the inwall of the inner ring of shock absorber 8 is provided with the groove matched with the structure of projection.During installation, the groove of shock absorber 8 is carried out coordinating with the projection of the first housing 1 and installs.Further, the first housing 1 is provided with multiple projection, and shock absorber 8 is provided with multiple groove accordingly, and the connection between shock absorber 8 and the first housing 1 of blower fan can be made so more firm.Certainly, the Connecting format of blower fan and shock absorber 8 also can adopt other forms, does not limit this present invention.
In another embodiment of the present invention, with reference to Figure 10, for the ease of installing and manufacturing, shock absorber 8 is connected to form assembly 9 with conversion equipment 7.The inside of this assembly 9 forms cavity.The material of shock absorber 8 and conversion equipment 7 is silica gel or rubber.This assembly 9 adopts one-body molded processing technology, and e.g., integrated injection molding encapsulate is shaping.During installation, blower fan is put into cavity, adjust the position of the second exhaust outlet 701.By the end abutment of the second housing 5 to elastomer 702.Install and use very convenient.
A kind of blower fan provided by the invention and respiratory machine, this blower fan is provided with multiple wind pushing hole 502 at the second housing 5, and this wind pushing hole 502 is perpendicular to shell or tangent with the sidewall of the second housing 5.Multiple wind pushing hole 502 can combing air-flow effectively, thus avoids the generation of turbulent flow and/or eddy current, makes air-flow more smooth and easy, reduces noise during operation.
Although be described in detail specific embodiments more of the present invention by example, it should be appreciated by those skilled in the art, above example is only to be described, instead of in order to limit the scope of the invention.It should be appreciated by those skilled in the art, can without departing from the scope and spirit of the present invention, above embodiment be modified.Scope of the present invention is limited by claims.
Claims (10)
1. a blower fan, is characterized in that, comprising:
Be provided with first housing (1) of the first intake grill (101);
Second housing (5), described second housing (5) is fixedly connected with described first housing (1), to form receiving cavity; Described second housing (5) is provided with multiple wind pushing hole (502); And
Rotor body (4), described rotor body (4) is located at described receiving cavity and described receiving cavity is divided into the first cavity and the second cavity; Described rotor body (4) is provided with rotating shaft (3), and the first end of close described first intake grill (101) of described rotating shaft (3) is provided with the first impeller (2); Described rotor body (4) also comprises shell, has the air-flow path be communicated with described multiple wind pushing hole (502) between described shell with described second housing (5).
2. blower fan according to claim 1, it is characterized in that, described blower fan also comprises the deflector being arranged at described rotor body (4) downstream, described deflector comprises the spaced guide plate of polylith (104), forms guide channel (103) between two adjacent described guide plates (104); Described deflector is provided with the first exhaust outlet (102), and described guide channel (103) is communicated with described air-flow path and described first exhaust outlet (102).
3. blower fan according to claim 2, is characterized in that, also comprises second impeller (6) of the second end being arranged at described rotating shaft, and described second impeller (6) is positioned at described second cavity; Described first exhaust outlet (102) is directly communicated with second intake grill (501) of described second impeller (6).
4. blower fan according to claim 1, it is characterized in that, also comprise and be sheathed on described second housing (5) conversion equipment outward (7), described conversion equipment (7) is provided with the second exhaust outlet (701) be communicated with described multiple wind pushing hole (502).
5. blower fan according to claim 1, is characterized in that, described conversion equipment (7) is sheathed on described second housing (5) rotationally, to change the direction of described second exhaust outlet (701).
6. blower fan according to claim 5, it is characterized in that, the inwall of described conversion equipment (7) is provided with elastomer (702), and described elastomer (702) is connected to the end of described second housing (5), to cushion vibration during fan operation.
7. blower fan according to claim 4, is characterized in that, is provided with shock absorber (8) between described first housing (1) and parts to be installed, to cushion vibration during fan operation.
8. blower fan according to claim 7, is characterized in that, the material of described shock absorber (8) and/or described conversion equipment (7) is silica gel or rubber.
9. blower fan according to claim 8, is characterized in that, described shock absorber (8) is connected to form assembly (9) with described conversion equipment (7), and described assembly (9) is one-body molded.
10. a respiratory machine, is characterized in that, described respiratory machine is provided with the blower fan as described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511031906.0A CN105508269A (en) | 2015-12-31 | 2015-12-31 | Fan and ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511031906.0A CN105508269A (en) | 2015-12-31 | 2015-12-31 | Fan and ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105508269A true CN105508269A (en) | 2016-04-20 |
Family
ID=55716497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511031906.0A Pending CN105508269A (en) | 2015-12-31 | 2015-12-31 | Fan and ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105508269A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106730203A (en) * | 2016-12-28 | 2017-05-31 | 北京怡和嘉业医疗科技股份有限公司 | For the noise-decreasing device and lung ventilator of lung ventilator |
| CN106762715A (en) * | 2016-12-28 | 2017-05-31 | 北京怡和嘉业医疗科技股份有限公司 | Lung ventilator and its blower fan |
| CN109210006A (en) * | 2017-06-30 | 2019-01-15 | 浙江绍兴苏泊尔生活电器有限公司 | Fan assembly and dust collector with same |
| CN109806471A (en) * | 2017-11-22 | 2019-05-28 | 沈阳新松医疗科技股份有限公司 | A kind of DC fan for noninvasive ventilator |
| CN111536066A (en) * | 2020-05-26 | 2020-08-14 | 安鼓节能设备(苏州)有限公司 | Integrated fan |
| CN115306766A (en) * | 2022-07-06 | 2022-11-08 | 广州和普乐健康科技有限公司 | Air duct module structure and breathing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106730203A (en) * | 2016-12-28 | 2017-05-31 | 北京怡和嘉业医疗科技股份有限公司 | For the noise-decreasing device and lung ventilator of lung ventilator |
| CN106762715A (en) * | 2016-12-28 | 2017-05-31 | 北京怡和嘉业医疗科技股份有限公司 | Lung ventilator and its blower fan |
| CN106730203B (en) * | 2016-12-28 | 2021-05-18 | 北京怡和嘉业医疗科技股份有限公司 | Noise reduction device for breathing machine and breathing machine |
| CN109210006A (en) * | 2017-06-30 | 2019-01-15 | 浙江绍兴苏泊尔生活电器有限公司 | Fan assembly and dust collector with same |
| CN109806471A (en) * | 2017-11-22 | 2019-05-28 | 沈阳新松医疗科技股份有限公司 | A kind of DC fan for noninvasive ventilator |
| CN111536066A (en) * | 2020-05-26 | 2020-08-14 | 安鼓节能设备(苏州)有限公司 | Integrated fan |
| CN111536066B (en) * | 2020-05-26 | 2024-05-24 | 安鼓节能设备(苏州)有限公司 | Integrated fan |
| CN115306766A (en) * | 2022-07-06 | 2022-11-08 | 广州和普乐健康科技有限公司 | Air duct module structure and breathing machine |
| CN115306766B (en) * | 2022-07-06 | 2023-03-14 | 广州和普乐健康科技有限公司 | Air duct module structure and breathing machine |
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