CN208686648U - The ventilator of blower fan apparatus and the application blower fan apparatus - Google Patents
The ventilator of blower fan apparatus and the application blower fan apparatus Download PDFInfo
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- CN208686648U CN208686648U CN201821022258.1U CN201821022258U CN208686648U CN 208686648 U CN208686648 U CN 208686648U CN 201821022258 U CN201821022258 U CN 201821022258U CN 208686648 U CN208686648 U CN 208686648U
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- air flue
- air
- blower fan
- fan apparatus
- air inlet
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Abstract
The utility model provides a kind of blower fan apparatus and the ventilator using the blower fan apparatus.The blower fan apparatus, comprising: shell, fan main body and bracket；The shell includes upper cover, center and lower cover, and the upper cover, the center and the lower cover form closed cavity, and the upper cover and the center form the first air flue, and the shell is provided with the first air inlet, the second air inlet and air outlet；The fan main body is mounted in the cavity by the bracket, and the fan main body includes fan air inlet and blower gas outlet；The bracket and the cavity form the second air flue.The air-flow for entering fan main body 2 can be effectively combed by the first air flue and the second air flue, keeps air-flow more smooth, while increasing the path that noise is propagated outward, to effectively reduce the noise in blower fan apparatus operational process.
Description
Technical field
The utility model relates to the breathings of medical instruments field more particularly to a kind of blower fan apparatus and the application blower fan apparatus
Machine.
Background technique
Ventilator is a kind of device of normal physiologic respiration that can replace, control or change people, is usually used to increase patient
Pulmonary ventilation volume, improve the respiratory function of patient, mitigate breathing power consumption, save the heart reservation ability of patient.
Blower fan apparatus is an important component in ventilator, for pressurize for breathing gas and be conveyed to patient.
Existing blower fan apparatus has that noise is big, air flue airflow smooth difference.
Summary of the invention
In order to solve the technical problems existing in the prior art, the utility model provides a kind of blower fan apparatus and application should
The ventilator of blower fan apparatus.Aim at the purpose for improving the noise of air flue airflow smooth and reduction blower fan apparatus.
A kind of blower fan apparatus, comprising: shell, fan main body and bracket；
The shell includes upper cover, center and lower cover, and the upper cover, the center and the lower cover form closed sky
Chamber, the upper cover and the center form the first air flue, and the shell is provided with the first air inlet, the second air inlet and outlet
Mouthful, first air inlet is located at one end of first air flue, and second air inlet is located at the another of first air flue
End；
The fan main body is mounted in the cavity by the bracket, the fan main body include fan air inlet and
Blower gas outlet, the blower gas outlet are connected to the gas outlet；
The bracket and the cavity form the second air flue, and the fan air inlet is connected to second air flue, described
Second air inlet is connected to second air flue.
In one embodiment, the cross section of the shell is round or ellipse.
In one embodiment, second air flue is annular air channel.
In one embodiment, first air flue is set to the periphery of the cavity.
In one embodiment, first air flue is annular air channel or semi-circular air flue.
In one embodiment, noise reduction component is provided in first air flue.
In one embodiment, the noise reduction component is noise reduction sponge or resistive muffler.
In one embodiment, shunting tracheae is provided in first air flue.
In one embodiment, noise reduction sponge is provided in second air flue.
A kind of ventilator, including any one of the above blower fan apparatus.
The ventilator of a kind of blower fan apparatus provided by the utility model and the application blower fan apparatus, the blower fan apparatus are provided with
First air flue and the second air flue can effectively be combed the air-flow for entering fan main body 2 by the first air flue and the second air flue, made
Air-flow is more smooth, while increasing the path that noise is propagated outward, to effectively reduce in blower fan apparatus operational process
Noise.
Detailed description of the invention
Fig. 1 is the assembling structure schematic diagram of the blower fan apparatus of one embodiment；
Fig. 2 is the stereoscopic schematic diagram of two different perspectivess of the blower fan apparatus of one embodiment；
Fig. 3 is the air passage structure schematic diagram of the blower fan apparatus of one embodiment；
Description of symbols:
Shell 1, upper cover 11, center 12, lower cover 13, the first air flue 121, gas outlet 122, cavity 123, the first air inlet
1211, the second air inlet 1212, raised 111, sealing ring 112, sealing ring 131；
Fan main body 2, fan air inlet 21, blower gas outlet 22；
Bracket 3, the second air flue 31, fixation hole 32, annular gasket 33；
Noise reduction component 4；
Shunt tracheae 5；
Hose 6.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
A kind of blower fan apparatus provided by the utility model is described in detail with reference to the accompanying drawings.
As shown in Figure 1 to Figure 3, according to the blower fan apparatus of the utility model embodiment, comprising: shell 1,2 and of fan main body
Bracket 3；Shell 1 includes upper cover 11, center 12 and lower cover 13, and upper cover 11, center 12 and lower cover 13 form closed cavity 123,
Upper cover 11 and center 12 form the first air flue 121, and shell 1 is provided with the first air inlet 1211, the second air inlet 1212 and outlet
Mouth 122, the first air inlet 1211 is located at one end of the first air flue 121, and the second air inlet 1212 is located at the another of the first air flue 121
End；Fan main body 2 is mounted in cavity 123 by bracket 3, and fan main body 2 includes fan air inlet 21 and blower gas outlet 22,
Blower gas outlet 22 is connected to gas outlet 122；Bracket 3 and cavity 123 form the second air flue 31, fan air inlet 21 and the second gas
Road 31 is connected to, and the second air inlet 1212 is connected to the second air flue 31.
Specifically, upper cover 11 and lower cover 13 are detachably mounted on center 12 by screw respectively, optionally, in order to protect
The junction of leakproofness inside card shell 1, upper cover 11 and center 12 is provided with sealing ring 112, the company of lower cover 13 and center 12
The place of connecing is provided with sealing ring 131, and sealing ring 112 and sealing ring 131 can be made of the elastic material of rubber or silica gel etc..
Upper cover 11, center 12 and lower cover 13 form closed cavity 123, and upper cover 11 and center 12 form the first air flue 121,
First air flue 121 is located at the periphery of cavity 123.Shell 1 is provided with the first air inlet 1211, the second air inlet 1212 and gas outlet
122, the first air inlet 1211 is located at one end of the first air flue 121, and the second air inlet 1212 is located at the another of the first air flue 121
End, the first air inlet 1211 are communicated with the atmosphere.
Fan main body 2 is mounted in cavity 123 by bracket 3, and specifically, bracket 3 is provided at least one and extends outwardly
Fixation hole 32, the inner surface of upper cover 11 is provided at least one protrusion 111, the quantity of fixation hole 32 and the quantity of protrusion 111
Identical, the present embodiment is for 3 and is uniformly distributed, and fan main body 2 is placed in bracket 3, bracket 3 by fixation hole 32 with it is convex
It plays 111 cooperation and is fixed in cavity 123, further, annular gasket 33 is arranged on fixation hole 32, annular gasket 33 can
It is made with the elastic material by rubber or silica gel etc., fixation hole 32 is connected and fixed by annular gasket 33 with protrusion, and bracket 3 is avoided
Directly contacting with upper cover 11 with fan main body 2 causes fan main body to generate vibrating noise in use.Such design, blower
Main body 2 is suspended vacantly in shell 1 by bracket 3, is reduced fan main body 2 and is contacted with the direct of shell 1, reduces blower fan apparatus
Noise in the course of work.
Fan main body 2 includes fan air inlet 21 and blower gas outlet 22, and blower gas outlet 22 is connected to gas outlet 122,
Further, blower gas outlet 22 is connected to gas outlet 122 by hose 6, and hose 6 is made of silica gel elastomeric material, in this way,
It can guarantee the air-tightness of the air flue between blower gas outlet 22 and gas outlet 122.Wherein, fan main body 2 can be centrifugation wind
The blower of any suitable type such as machine, turbofan, axial flow blower.
Bracket 3 and cavity 123 form the second air flue 31, and fan air inlet 21 is connected to the second air flue 31, the second air inlet
1212 are connected to the second air flue 31.
As described in Figure 3, gas enters the first air flue 121 from the first air inlet 1211, flows through the first air flue 121 and by second
Air inlet 1212 enters the second air flue 31, and the gas for flowing through the second air flue 31 enters fan main body 2, gas via fan air inlet 21
Body flows out fan main body 2 from blower gas outlet 22, arrives via gas outlet 122 after the impeller speedup pressurization of fan main body 2
Up to outside for patient end use.The setting of first air flue 121 and the second air flue 31 increases the path of gas flowing, makes gas
Flow smooth, and during noise is spread out of along the direction opposite with gas flow direction, path increases, and noise can obtain
To certain weakening；Meanwhile second air flue be conducive to the heat dissipation of fan main body.
In some embodiments, the cross section of shell 1 is round or oval, when shell 1 is round or ellipse knot
When structure, the second air flue 31 is annular air channel, and the first air flue 121 is annular air channel or semi-circular air flue, when the first air flue 121 is surround
First air flue 121 is annular air channel when cavity 123, the first air flue when the first air flue 121 only surrounds 123 periphery of portion cavity
121 be semi-circular air flue.So design can make the appearance of blower fan apparatus meet complete machine design moulding, on the other hand,
Round or ellipse design keeps the flowing of the gas in the air flue of blower fan apparatus more smooth, and vapour lock reduces, to reduce wind
The noise of machine device.
In some embodiments, noise reduction component 4 is provided in the first air flue 121, noise reduction component 4 can be by sound-absorbing or sound absorption
Material is made.Further, noise reduction component 4 can be silencing cotton or resistive muffler.It is generated in blower fan apparatus operational process
Noise via the second air flue 31 enter the first air flue 121, noise reduction component 4 absorb noise, and then achieve the purpose that reduce noise.
In some embodiments, noise reduction component 4 is provided in the second air flue 31, noise reduction component 4 can be by sound-absorbing or sound absorption
Material is made.Further, noise reduction component 4 can be silencing cotton or resistive muffler.It is generated in blower fan apparatus operational process
Noise absorbed by the noise reduction component 4 in the second air flue 31, so that noise has been obtained certain reduction.
In some embodiments, it is provided in the first air flue 121 and shunts tracheae 5, shunting tracheae 5 can be by rubber or silicon
The soft materials such as glue are made, and one or more of shunting tracheaes 5 can be set, and the quantity for shunting tracheae 5 is unrestricted, specific root
It is determined according to the width of the first air flue 121.The air-flow in the further combing air flue of tracheae 5 is shunted, keeps air-flow more smooth, avoids producing
Raw turbulent flow or vortex, while noise is spread out of along the direction opposite with gas flow direction, when by a plurality of shunting tracheae 5, is made an uproar
Sound is reflected and/or is reflected by a plurality of inner wall for shunting tracheae 5, so that noise be made to be effectively reduced.
In some embodiments, it is provided with noise reduction component 4 in the first air flue 121 and shunts tracheae 5, noise reduction component 44 can be with
It is made of sound-absorbing or sound-absorbing material, further, noise reduction component 4 can be silencing cotton or resistive muffler；Shunting tracheae 5 can
To be made of soft materials such as rubber or silica gel, one or more of shunting tracheaes 5 can be set.Noise reduction component 4 and shunting
The arrangement of tracheae 5 can according to need setting.In one exemplary embodiment, a plurality of shunting tracheae 5 is along the first air flue 121
The direction arrangement of gas flowing, noise reduction component 4 are distributed in the top and bottom of the first air flue 121.It is set simultaneously in first air flue 121
It sets noise reduction component 4 and has obtained more effective reduction with the noise generated when shunting tracheae 5 and running blower fan apparatus.
In some embodiments, shell 1 further includes toroidal cavity, which is located at cavity 123 and the first air flue 121
Between, further, noise reduction component is placed in the toroidal cavity, noise reduction component can be made of sound-absorbing or sound-absorbing material.Into
One step, noise reduction component can be silencing cotton.The noise generated in blower fan apparatus operational process is by the wall surface of shell 1 to unofficial biography
Sowing time, noise are absorbed by the noise reduction component in toroidal cavity, and noise is made to have obtained certain reduction.
A kind of blower fan apparatus provided by the utility model, the blower fan apparatus are provided with the first air flue and the second air flue, pass through
First air flue and the second air flue can effectively comb the air-flow for entering fan main body 2, keep air-flow more smooth, increase simultaneously
The path that noise is propagated outward, to effectively reduce the noise in blower fan apparatus operational process.
According to ventilator provided by the utility model, including according to blower fan apparatus provided by the utility model.
Using the ventilator of the blower fan apparatus, it can effectively be combed by the first air flue and the second air flue and enter blower master
The air-flow of body 2 keeps air-flow more smooth, while increasing the path that noise is propagated outward, to effectively reduce blower fan apparatus
Noise in operational process.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, those skilled in the art can incite somebody to action
Different embodiments or examples described in this specification are engaged and are combined.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (10)
1. a kind of blower fan apparatus characterized by comprising shell, fan main body and bracket；
The shell includes upper cover, center and lower cover, and the upper cover, the center and the lower cover form closed cavity, institute
It states upper cover and the center forms the first air flue, the shell is provided with the first air inlet, the second air inlet and air outlet, described
First air inlet is located at one end of first air flue, and second air inlet is located at the other end of first air flue；
The fan main body is mounted in the cavity by the bracket, and the fan main body includes fan air inlet and blower
Gas outlet, the blower gas outlet are connected to the gas outlet；
The bracket and the cavity form the second air flue, and the fan air inlet is connected to second air flue, and described second
Air inlet is connected to second air flue.
2. blower fan apparatus according to claim 1, which is characterized in that the cross section of the shell is round or oval
Shape.
3. blower fan apparatus according to claim 2, which is characterized in that second air flue is annular air channel.
4. blower fan apparatus according to claim 2, which is characterized in that first air flue is set to the outer of the cavity
It encloses.
5. blower fan apparatus according to claim 4, which is characterized in that first air flue is annular air channel or semi-circular
Air flue.
6. blower fan apparatus according to claim 1, which is characterized in that be provided with noise reduction component in first air flue.
7. blower fan apparatus according to claim 6, which is characterized in that the noise reduction component is noise reduction sponge or resistive noise reduction
Device.
8. blower fan apparatus according to claim 1, which is characterized in that be provided with shunting tracheae in first air flue.
9. blower fan apparatus according to claim 1, which is characterized in that be provided with noise reduction sponge in second air flue.
10. a kind of ventilator, which is characterized in that including blower fan apparatus described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821022258.1U CN208686648U (en) | 2018-06-29 | 2018-06-29 | The ventilator of blower fan apparatus and the application blower fan apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821022258.1U CN208686648U (en) | 2018-06-29 | 2018-06-29 | The ventilator of blower fan apparatus and the application blower fan apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208686648U true CN208686648U (en) | 2019-04-02 |
Family
ID=65879661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821022258.1U Active CN208686648U (en) | 2018-06-29 | 2018-06-29 | The ventilator of blower fan apparatus and the application blower fan apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208686648U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591124A (en) * | 2018-06-29 | 2018-09-28 | 深圳融昕医疗科技有限公司 | The lung ventilator of blower fan apparatus and the application blower fan apparatus |
| WO2021248720A1 (en) * | 2020-06-12 | 2021-12-16 | 江苏鱼跃医疗设备股份有限公司 | Sound reduction channel device |
| CN108591124B (en) * | 2018-06-29 | 2024-06-07 | 深圳融昕医疗科技有限公司 | Fan device and breathing machine applying same |
-
2018
- 2018-06-29 CN CN201821022258.1U patent/CN208686648U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591124A (en) * | 2018-06-29 | 2018-09-28 | 深圳融昕医疗科技有限公司 | The lung ventilator of blower fan apparatus and the application blower fan apparatus |
| WO2020001153A1 (en) * | 2018-06-29 | 2020-01-02 | Resvent Medical Technology Co., Ltd. | Blower device and breathing apparatus using the same |
| CN108591124B (en) * | 2018-06-29 | 2024-06-07 | 深圳融昕医疗科技有限公司 | Fan device and breathing machine applying same |
| WO2021248720A1 (en) * | 2020-06-12 | 2021-12-16 | 江苏鱼跃医疗设备股份有限公司 | Sound reduction channel device |
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