CN109432564B - Spiral air duct module of breathing machine - Google Patents
Spiral air duct module of breathing machine Download PDFInfo
- Publication number
- CN109432564B CN109432564B CN201811599994.8A CN201811599994A CN109432564B CN 109432564 B CN109432564 B CN 109432564B CN 201811599994 A CN201811599994 A CN 201811599994A CN 109432564 B CN109432564 B CN 109432564B
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- CN
- China
- Prior art keywords
- air
- spiral
- module
- hole
- inlet
- 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.)
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Links
- 230000029058 respiratory gaseous exchange Effects 0.000 title claims abstract description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000001301 oxygen Substances 0.000 claims abstract description 41
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 41
- 230000030279 gene silencing Effects 0.000 claims abstract description 23
- 230000003584 silencer Effects 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 108091006146 Channels Proteins 0.000 description 24
- 238000010586 diagram Methods 0.000 description 6
- 229920000742 Cotton Polymers 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001743 silencing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/12—Preparation of respiratory gases or vapours by mixing different gases
- A61M16/122—Preparation of respiratory gases or vapours by mixing different gases with dilution
- A61M16/125—Diluting primary gas with ambient air
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/42—Reducing noise
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2206/00—Characteristics of a physical parameter; associated device therefor
- A61M2206/10—Flow characteristics
- A61M2206/12—Flow characteristics the flow being spirally in a plane, e.g. against a plane side of a membrane filter element
Abstract
The invention relates to a spiral air duct module of a breathing machine, which comprises a shell and an air duct module arranged in the shell, wherein the whole shell is in a cuboid shape, the air duct module comprises a spiral air duct and a silencing block wrapped around the spiral air duct, one side of the air duct module is provided with a first oxygen air inlet, the other side of the air duct module is provided with a first air inlet, the first oxygen air inlet is communicated with the first air inlet and then is connected with the inlet of the spiral air duct, and the center position of the spiral air duct is provided with a spiral air duct outlet. The spiral air duct module of the breathing machine adopts the spiral air duct to prolong the length of the air duct, thereby being convenient for the full mixing of oxygen and air.
Description
Technical Field
The invention relates to an air duct module, in particular to a medical ventilator spiral air duct module.
Background
A breathing machine is often used in the medical field, the breathing machine needs to fully mix oxygen and air, and the longer the air channel is, the higher the mixing degree of the oxygen and the air is, but the longer the air channel is, the size of the air channel module is increased, so that the breathing machine is not beneficial to practical application; meanwhile, the air in the air duct flows rapidly to generate noise, and the size of the air duct module is increased to be unfavorable for setting the silencing structure.
Disclosure of Invention
The invention provides a spiral air duct module of a breathing machine, which can fully mix oxygen and air in order to solve the problems in the prior art.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows: the utility model provides a breathing machine spiral wind channel module, includes the shell and sets up the wind channel module in the shell, the shell is whole to be the cuboid form, the wind channel module includes spiral wind channel and parcel in spiral wind channel surrounding amortization piece, wind channel module one side is equipped with first oxygen air inlet, and the opposite side is equipped with first air inlet, first oxygen air inlet communicates back with spiral wind channel access connection with first air inlet, and spiral wind channel central point puts and is equipped with spiral wind channel export.
The technical scheme is further designed as follows: the front surface of the silencing block is provided with a groove matched with the shape of the spiral air duct, and the spiral air duct is arranged in the groove; the silencer block is provided with a first through hole and a second through hole at two sides of the spiral air duct respectively, the back of the silencer block is provided with a communication groove, the first through hole and the second through hole are mutually communicated through the communication groove, the first through hole is communicated with the first air inlet, and the second through hole is communicated with the first oxygen inlet.
The shell is provided with an air channel cavity matched with the silencing block in shape, and the air channel module is arranged in the air channel cavity.
The shell is equipped with second air inlet and air duct in wind channel chamber bottom, the second air inlet passes through air duct and first air inlet intercommunication.
And the two sides of the air pipeline are provided with flow stabilizing plates.
The shell is provided with a mixing cavity at one side of the air duct cavity, a first air outlet is arranged between the air duct cavity and the mixing cavity, and the air duct cavity and the mixing cavity are mutually communicated through the first air outlet.
The silencing block is provided with a second air outlet close to the first air outlet, and the second air outlet is communicated with the outlet of the spiral air duct.
The bottom of the mixing cavity is provided with a honeycomb hole, the back of the mixing cavity is provided with an air outlet cavity by the shell, and the mixing cavity is communicated with the air outlet cavity through the honeycomb hole.
And the air outlet cavity is provided with a cover plate, and the cover plate is provided with a third air outlet.
The shell is provided with a second oxygen inlet hole near the first oxygen inlet, and the second oxygen inlet hole is used for being connected with an external oxygen source.
The beneficial effects of the invention are as follows:
the air duct formed by mixing oxygen and air is spiral, so that the length of the air duct is prolonged, the oxygen and the air are convenient to mix fully, the size of the air duct module is reduced, and the spiral air duct is in smooth transition, so that air flow in the air duct flows steadily.
The outside of the spiral air duct is provided with a silencing block made of silencing cotton, and the mixing cavity is also internally provided with high-density cotton, so that gas can be mixed. The noise generated by the flow is eliminated and reduced, so that the noise is reduced.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a second embodiment of the present invention;
FIG. 3 is a schematic diagram of the channel module in FIG. 1;
FIG. 4 is a schematic diagram II of the lane module in FIG. 1;
FIG. 5 is a schematic view of the housing of FIG. 1;
FIG. 6 is a second schematic structural view of the housing of FIG. 1;
FIG. 7 is a schematic diagram III of the housing of FIG. 1;
fig. 8 is a schematic diagram of the structure of the housing in fig. 1.
In the above figures: 1-a shell, 11-an air channel cavity, 12-a second air inlet, 13-an air pipeline, 14-a flow stabilizing plate, 15-a mixing cavity, 151-honeycomb holes, 16-a first air outlet, 17-a second oxygen inlet hole, 18-an air outlet cavity, 181-a cover plate, 19-a third air outlet, 2-an air channel module, the device comprises a spiral air duct 21, a silencing block 22, a first through hole 23, a second through hole 24, a 25-communication groove 26, a first oxygen air inlet 27, a first air inlet 28, a spiral air duct outlet 29, a second air outlet 3, high-density cotton and a 4-turbine fan.
Detailed Description
The invention will now be described in detail with reference to the accompanying drawings and specific examples.
Examples
As shown in fig. 1, 2 and 3, the spiral air duct module of the breathing machine of the present embodiment includes a housing 1 and an air duct module 2 disposed in the housing 1, where the housing 1 is integrally rectangular.
Referring to fig. 4, the air duct module 2 includes a spiral air duct 21 and a silencing block 22 wrapped around the spiral air duct, the silencing block is made of silencing cotton material, a groove matched with the spiral air duct 21 in shape is formed in the front face of the silencing block 22, and the spiral air duct 21 is arranged in the groove, so that the silencing block wraps the spiral air duct, and the silencing effect is good; the silencing block 22 is provided with a first through hole 23 and a second through hole 24 at two sides of the spiral air duct 21 respectively, the back of the silencing block 22 is provided with a communication groove 25 for communicating the first through hole and the second through hole, one side of the air duct module 2 is provided with a first oxygen inlet 26, the other side of the air duct module 2 is provided with a first air inlet 27, the first air inlet 27 is communicated with the first through hole 23, and the first oxygen inlet 26 is communicated with the second through hole 24 through a pipeline at one end; when the air conditioner is used, oxygen enters the air duct module from the first oxygen air inlet 26 and then flows into the second through hole 24, air enters the air duct module from the first air inlet 27 and then enters the first through hole 23, the front surface of the air duct module enters the back surface of the air duct module, then enters the second through hole 24 through the communicating groove 25, enters the front surface of the air duct module, is mixed with oxygen, enters the spiral air duct 21 from the inlet of the spiral air duct 21, and flows to the spiral air duct outlet 28 positioned in the center of the spiral air duct 21, the turbo fan 4 is arranged in the silencer block 22, the air inlet of the turbo fan 4 is communicated with the spiral air duct outlet 28, the air outlet of the turbo fan 4 is communicated with the second air outlet 29 positioned on the side surface of the silencer block 22, in the embodiment, the aperture of the first through hole and the second through hole is phi 25, the aperture of the air inlet of the turbo fan 4 is phi 23, and the air flow in the spiral air duct can be stably transited into the turbo fan 4.
The spiral air duct 21 in the embodiment can prolong the length of the air duct and smoothly transition the whole air duct, so that the air and oxygen entering the turbine fan are mixed more fully before entering the fan, and meanwhile, the flow speed is more stable; on the other hand, the 28 caliber of the outlet of the spiral air duct is consistent with the caliber of the air inlet of the turbine fan, so that the air flow speed cannot be changed.
In this embodiment, the turbo fan is located inside the silencing block 22, and the flowing direction of the mixed gas passes through the front groove of the silencing block 22, so that the space is saved, the structural design is performed, and the air cooling of the turbo fan can be performed.
As shown in fig. 5, the air duct cavity 11 matched with the silencing block 22 in shape is arranged in the casing 1, the air duct module 2 is arranged in the air duct cavity 11, the air duct 13 is arranged at the position below the air duct cavity 11, one end of the air duct is provided with the second air inlet 12, the second air inlet 12 is communicated with the first air inlet 27 in the air duct module 2 through the air duct 13, the flow stabilizing plates 14 are arranged on two sides of the inner wall of the air duct 13, the air sucked into the spiral air duct is guaranteed to be not in disordered flow, and the flow speed is enabled to be more stable.
The shell 1 is provided with a mixing cavity 15 at one side of the air duct cavity 11, the mixing cavity 15 is close to a second air outlet 29 in the air duct module 2, a first air outlet 16 is arranged between the air duct cavity 11 and the mixing cavity 15, and the first air outlets 16 are mutually communicated. The first air outlet 16 communicates with the second air outlet 29.
Referring to fig. 6, the housing 1 is provided with a second oxygen inlet hole 17 near the first oxygen inlet 26, and the second oxygen inlet hole 17 is used for connecting with an external oxygen source.
Referring to fig. 7 and 8, a honeycomb hole 151 is formed in the bottom of the mixing cavity 15, an air outlet cavity 18 is formed in the back of the mixing cavity 15 in the shell 1, the mixing cavity 15 is communicated with the air outlet cavity 18 through the honeycomb hole 151, a cover plate 181 is arranged on the air outlet cavity 18, a third air outlet 19 is formed in the cover plate 181, and the third air outlet 19 is the final air outlet of the spiral air duct module of the breathing machine in the embodiment.
In this embodiment, air enters from the second air inlet 12 on the housing 1, enters the air channel module 2 through the air pipeline 13, oxygen enters from the second oxygen inlet 17 on the housing 1, enters the air channel module 2 through the first oxygen inlet 26, and after being fully mixed in the air channel module, oxygen and air flow out of the air channel module from the second air outlet 29, enter the mixing cavity 15 through the first air outlet 16, and then enter the air outlet cavity 18 from the honeycomb holes at the bottom of the mixing cavity, in this embodiment, the honeycomb holes 151 at the bottom of the mixing cavity 15 can scatter the mixed gas output by the turbine fan for secondary mixing, the mixing is more complete, and the inner wall of the mixing cavity is provided with high-density cotton 3, so that the air flow sound caused by gas impact can be effectively reduced, and the noise reduction effect is improved.
The technical scheme of this embodiment is integrated spiral wind channel, turbo fan and amortization structure in the shell of a rule that is the cuboid form, forms modularized structure, and is small, the installation and debugging of being convenient for, and application range is wide.
The technical scheme of the invention is not limited to the embodiments, and all technical schemes obtained by adopting equivalent substitution modes fall within the scope of the invention.
Claims (9)
1. A breathing machine spiral wind channel module, its characterized in that: the air channel module comprises a shell and an air channel module arranged in the shell, wherein the whole shell is in a cuboid shape, the air channel module comprises a spiral air channel and silencing blocks wrapped around the spiral air channel, a first oxygen air inlet is formed in one side of the air channel module, a first air inlet is formed in the other side of the air channel module, the first oxygen air inlet is communicated with the first air inlet and then is connected with the inlet of the spiral air channel, and a spiral air channel outlet is formed in the center of the spiral air channel;
the front surface of the silencing block is provided with a groove matched with the shape of the spiral air duct, and the spiral air duct is arranged in the groove; the silencer block is provided with a first through hole and a second through hole at two sides of the spiral air duct respectively, the back surface of the silencer block is provided with a communication groove, the first through hole and the second through hole are mutually communicated through the communication groove, the first through hole is communicated with the first air inlet, and the second through hole is communicated with the first oxygen inlet;
a turbine fan is arranged in the silencing block, and an air inlet of the turbine fan is communicated with an outlet of the spiral air duct; the communication groove is provided with a hole, and the turbine fan is arranged in the hole;
oxygen enters the air channel module from the first oxygen inlet, then flows into the second through hole, air enters the air channel module from the first air inlet, then enters the first through hole, enters the back from the front of the air channel module, then enters the second through hole through the communication groove, enters the front from the back of the air channel module, is mixed with oxygen, enters the spiral air channel from the spiral air channel inlet after being mixed, and flows to the spiral air channel outlet.
2. The ventilator spiral duct module of claim 1, wherein: the shell is provided with an air channel cavity matched with the silencing block in shape, and the air channel module is arranged in the air channel cavity.
3. The ventilator spiral duct module of claim 1, wherein: the shell is equipped with second air inlet and air duct in wind channel chamber bottom, the second air inlet passes through air duct and first air inlet intercommunication.
4. A ventilator spiral duct module according to claim 3, wherein: and the two sides of the air pipeline are provided with flow stabilizing plates.
5. The ventilator spiral duct module of claim 4, wherein: the shell is provided with a mixing cavity at one side of the air duct cavity, a first air outlet is arranged between the air duct cavity and the mixing cavity, and the air duct cavity and the mixing cavity are mutually communicated through the first air outlet.
6. The ventilator spiral duct module of claim 5, wherein: the silencing block is provided with a second air outlet close to the first air outlet, and the second air outlet is communicated with the outlet of the spiral air duct.
7. The ventilator spiral duct module of claim 6, wherein: the bottom of the mixing cavity is provided with a honeycomb hole, the back of the mixing cavity is provided with an air outlet cavity by the shell, and the mixing cavity is communicated with the air outlet cavity through the honeycomb hole.
8. The ventilator spiral duct module of claim 7, wherein: and the air outlet cavity is provided with a cover plate, and the cover plate is provided with a third air outlet.
9. The ventilator spiral duct module of claim 8, wherein: the shell is provided with a second oxygen inlet hole near the first oxygen inlet, and the second oxygen inlet hole is used for being connected with an external oxygen source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811599994.8A CN109432564B (en) | 2018-12-26 | 2018-12-26 | Spiral air duct module of breathing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811599994.8A CN109432564B (en) | 2018-12-26 | 2018-12-26 | Spiral air duct module of breathing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109432564A CN109432564A (en) | 2019-03-08 |
| CN109432564B true CN109432564B (en) | 2024-03-26 |
Family
ID=65537638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811599994.8A Active CN109432564B (en) | 2018-12-26 | 2018-12-26 | Spiral air duct module of breathing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109432564B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005036988A (en) * | 2003-07-15 | 2005-02-10 | Mitsubishi Electric Corp | Refrigerator-freezer |
| CN201014683Y (en) * | 2007-03-28 | 2008-01-30 | 杨健 | Total distributary type ground air flow system |
| CN201558638U (en) * | 2009-06-26 | 2010-08-25 | 长沙吉天环保科技有限公司 | Fan silencer of combined dust removing purifier |
| CN205460326U (en) * | 2016-01-22 | 2016-08-17 | 易勇 | Empty oxygen mixing arrangement |
| CN107812293A (en) * | 2012-04-05 | 2018-03-20 | 费雪派克医疗保健有限公司 | Respiratory auxiliary system |
| CN108815662A (en) * | 2018-05-03 | 2018-11-16 | 钱小英 | Medical turbine pump ventilator |
| CN210020766U (en) * | 2018-12-26 | 2020-02-07 | 南京舒普思达医疗设备有限公司 | Spiral air duct module of breathing machine |
-
2018
- 2018-12-26 CN CN201811599994.8A patent/CN109432564B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005036988A (en) * | 2003-07-15 | 2005-02-10 | Mitsubishi Electric Corp | Refrigerator-freezer |
| CN201014683Y (en) * | 2007-03-28 | 2008-01-30 | 杨健 | Total distributary type ground air flow system |
| CN201558638U (en) * | 2009-06-26 | 2010-08-25 | 长沙吉天环保科技有限公司 | Fan silencer of combined dust removing purifier |
| CN107812293A (en) * | 2012-04-05 | 2018-03-20 | 费雪派克医疗保健有限公司 | Respiratory auxiliary system |
| CN205460326U (en) * | 2016-01-22 | 2016-08-17 | 易勇 | Empty oxygen mixing arrangement |
| CN108815662A (en) * | 2018-05-03 | 2018-11-16 | 钱小英 | Medical turbine pump ventilator |
| CN210020766U (en) * | 2018-12-26 | 2020-02-07 | 南京舒普思达医疗设备有限公司 | Spiral air duct module of breathing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109432564A (en) | 2019-03-08 |
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