CN211854372U - A innocent treatment device for collecting droplet and aerosol that spreads through mouth nose - Google Patents
A innocent treatment device for collecting droplet and aerosol that spreads through mouth nose Download PDFInfo
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- CN211854372U CN211854372U CN202020221572.3U CN202020221572U CN211854372U CN 211854372 U CN211854372 U CN 211854372U CN 202020221572 U CN202020221572 U CN 202020221572U CN 211854372 U CN211854372 U CN 211854372U
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Abstract
The utility model discloses a innocent treatment device for collecting droplet and aerosol of disseminating through mouth nose, it includes: the device comprises a pollution source, an air curtain air supply device, an exhaust collecting device, a flow guide cover, a connecting pipe, a first disinfection device, a drying device, a second disinfection device, a filtering and purifying device, an exhaust fan, a third disinfection device and a control system. The utility model adopts the Bernoulli principle, uses the adjustable jet airflow to form the air curtain and the dynamic adjustable laminar flow technology to control the aerosol scattering direction, thereby reducing the scattering; a negative pressure suction collecting device is adopted to actively collect the controlled aerosol and the spray in the controlled aerosol spreading direction, so that spreading is reduced; the Bernoulli principle is adopted, the air curtain technology is used for actively controlling and isolating the aerosol, and the direct contact between other people (including medical staff) and the aerosol is reduced; and carrying out chemical disinfection treatment on the collected aerosol and spray by adopting a chemical disinfection liquid filtering technology, and drying, dehydrating, filtering and purifying the gas after the chemical disinfection and filtration.
Description
Technical Field
The utility model relates to a sterilization equipment technical field especially relates to a innocent treatment device for collecting droplet and aerosol that spreads through mouth nose.
Background
The oral and nasal spray and aerosol are important routes for the transmission of infectious diseases. Human beings can produce aerosol and spray through breathing, cough, sneeze, speech etc. under natural condition, especially in the process of diagnosing of the patient's of respiratory disease, otolaryngology disease and oral disease etc. many ways, can produce a large amount of aerosol and spray, then carry pathogen to contaminate or be inhaled medical staff and/or respiratory system and mucosa, skin etc. of patient with the form of infecting the aerial fog, constitute serious danger to other people. The air purification and disinfection device adopted at present has the following defects as an intervention measure for integral air disinfection:
the spray and the movement direction of the aerosol are not actively controlled, and the dispersion and the spray of the aerosol cannot be reduced.
The aerosol and the splash are not collected actively, and the aerosol scattering and the splash cannot be reduced.
Without active isolation of the aerosol and reducing direct contact of others (including medical staff) with the aerosol.
No chemical disinfection, filtration and dehydration treatment of spray and aerosol.
There is no specific filtering and sterilizing device and method for spray and aerosol.
The clean gas after the harmless treatment is not reasonably and effectively utilized.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a innocent treatment device for collecting droplet and aerosol that spreads through the mouth nose, and its reasonable in design has solved the problem that droplet and aerosol spread among the prior art.
In order to solve the technical problem, the utility model discloses a technical scheme provide a innocent treatment device for collecting droplet and aerosol that spreads through the mouth nose, it includes: the device comprises a pollution source, an air curtain air supply device, an exhaust collection device, a flow guide cover, a connecting pipe, a first disinfection device, a drying device, a second disinfection device, a filtering and purifying device, an exhaust fan, a third disinfection device and a control system; an air curtain air supply device is arranged on the left side of the pollution source; air outlets are respectively arranged on the upper side and the lower side of the right side of the air curtain air supply device; an exhaust gas collecting device is arranged on the right side of the pollution source; arranging a flow guide cover in the exhaust gas collecting device; an air curtain is formed between the air curtain air supply device and the exhaust collecting device through air outlet; forming laminar flow between the air curtains and flowing towards an exhaust gas collecting device; large particle pollutants and small particle pollutants are dispersed between the pollution source and the exhaust gas collecting device; the first disinfection device is arranged on the right side of the exhaust gas collection device, and the exhaust gas collection device is connected with the first disinfection device through a connecting pipe; a drying device is arranged at the upper end of the first disinfection device; a second disinfection device is arranged at the upper end of the drying device; a filtering and purifying device is arranged on the right side of the second disinfection device; a first exhaust fan is arranged on the right side of the filtering and purifying device; a third disinfection device is arranged on the right side of the first air draft device; the third disinfection device is connected with the air curtain air supply device through a connecting pipe, a second exhaust fan is arranged on the connecting pipe, and a control system is arranged in the middle of the connecting pipe; the control system is connected with the device through electric signals and controls the device to operate.
Preferably, the pollution source is a patient and an oral-nasal spreading pollution source; the large-particle pollutants are droplets spread through the mouth and the nose; the small particle pollutants are aerosol spread through the mouth and the nose;
preferably, the outer edge guide sleeve is further included; the outer edge flow guide cover is arranged at the edge of the exhaust collecting device and is parallel to the air curtain air supply device; the section of the exhaust gas collecting device is regular or irregular, and the diameter of the exhaust gas collecting device is 0.05-1 m;
preferably, the first disinfection device is a liquid filtering, disinfecting and drying integrated device;
preferably, the drying device is a gas-liquid separation device such as a condensation drying device or a drying agent;
preferably, the second disinfection device and the third disinfection device are both ultraviolet or negative ion generators;
preferably, the purification device is a high-efficiency or ultra-high-efficiency filtration purification device HEPA/UHEPA;
preferably, the first exhaust fan and the second exhaust fan are both negative pressure exhaust fans or positive pressure blowers and are controlled by a control system;
preferably, the air curtain has a regular or irregular cross-sectional shape, and has a diameter ranging from 0.01 to 1 m.
The utility model has the advantages that: the utility model adopts the Bernoulli principle, uses the adjustable jet airflow to form the air curtain and the dynamic adjustable laminar flow technology to control the aerosol scattering direction, thereby reducing the scattering; a negative pressure suction collecting device is adopted to actively collect the controlled aerosol and the spray in the controlled aerosol spreading direction, so that spreading is reduced; the Bernoulli principle is adopted, the air curtain technology is used for actively controlling and isolating the aerosol, and the direct contact between other people (including medical staff) and the aerosol is reduced; carrying out chemical disinfection treatment on the collected aerosol and spray by adopting a chemical disinfection liquid filtering technology, and drying, dehydrating, filtering and purifying the gas after the chemical disinfection and filtration; the treated dry gas is efficiently filtered by adopting a high-efficiency filter purification technology and physical disinfection technologies such as ultraviolet rays, microwaves, negative ions and the like, harmful substances in residual aerosol are further removed, the clean gas after the harmless treatment can be completely/partially recycled to form jet air flow, the jet air flow is used for forming air curtain isolation aerosol and forming laminar flow to reduce scattering, and the operation program and the power of the whole system are predicted, fed back and regulated by adopting various types of intelligent sensing components in real time, so that the requirements under different diagnosis and treatment modes are met.
Drawings
FIG. 1 is a schematic view of a innocent treatment device for collecting the spray and aerosol spread through the mouth and nose of the present invention;
the parts in the drawings are numbered as follows: 1. a source of contamination; 2. large particle contaminants; 3. small particle contaminants; 4. an air curtain air supply device; 5. an air curtain; 6. an air outlet; 7. an exhaust gas collection device; 8. a pod; 9. an outer edge dome; 10. a connecting pipe; 11. a first disinfection device; 12. a drying device; 13. a second disinfection device; 14. a filtration purification device; 15. a first exhaust fan; 151. a second exhaust fan; 16. a third disinfection device; 17. and (5) controlling the system.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to fig. 1, an embodiment of the present invention includes: the device comprises a pollution source 1, an air curtain air supply device 4, an exhaust collection device 7, a flow guide cover 8, a connecting pipe 10, a first disinfection device 11, a drying device 12, a second disinfection device 13, a filtering and purifying device 14, an exhaust fan 15, a third disinfection device 16 and a control system 17; an air curtain air supply device 4 is arranged on the left side of the pollution source 1, air outlets 6 are respectively arranged on the upper side and the lower side of the right side of the air curtain air supply device 4, an exhaust gas collecting device 7 is arranged at the right side of the pollution source 1, a flow guide cover 8 is arranged inside the exhaust gas collecting device 7, and the air curtain 5 is formed by the air outlet between the air curtain air supply device 4 and the exhaust gas collection device 7 through the air outlet 6, the section of the air curtain 5 is regular or irregular, the diameter range is 0.01-1 m, laminar flow is formed between the air curtains 5 and flows towards the exhaust gas collecting device 7, large particle pollutants 2 and small particle pollutants 3 are dispersed between the pollution source 1 and the exhaust gas collecting device 7, the large particle pollutants 2 and the small particle pollutants 3 can be effectively prevented from flying out of the air curtains 5, the infection is carried out on the surrounding population, so that the large particle pollutants 2 and the small particle pollutants 3 can fly into the exhaust gas collecting device 7 conveniently; a first disinfection device 11 is arranged on the right side of the exhaust gas collection device 7, the exhaust gas collection device 7 is connected with the first disinfection device 11 through a connecting pipe 10, and the connecting pipe 10 can be additionally provided with a gas-liquid separator, a condensation type or a metal filter screen type to promote the liquefaction of aerosol; set up the moisture content in drying device 12 can the absorbed air in sterilizing equipment 11's upper end, set up sterilizing equipment 13 No. two in drying device 12's upper end, set up filtration purification device 14 on sterilizing equipment 13's right side No. two, set up No. one air exhauster 15 on filtration purification device 14's right side, set up sterilizing equipment 16 No. three on air exhauster 15's right side, and be connected through connecting pipe 10 between 16 and the air curtain air supply arrangement 4 of No. three sterilizing equipment, and set up No. two air exhausters 151 on connecting pipe 10, and set up control system 17 at the middle part of connecting pipe 10, signal of telecommunication connection between control system 17 and this device, and control this device operation.
The pollution source 1 is a pollution source spread by a patient and the mouth and the nose, the large-particle pollutant 2 is spray spread by the mouth and the nose, and the small-particle pollutant 3 is aerosol spread by the mouth and the nose.
The device also comprises an outer edge flow guide cover 9; the outer edge flow guide cover 9 is arranged at the edge of the exhaust collection device 7 and is parallel to the air curtain air supply device 4, the section of the exhaust collection device 7 is regular or irregular, and the diameter is 0.05-1 m;
the first disinfection device 11 is a liquid filtering, disinfecting and drying integrated device and can be decomposed into a multi-component structure; the drying device 12 is a condensation drying device or a gas-liquid separation device such as a drying agent, and can absorb moisture in the spray or the aerosol; the second disinfection device 13 and the third disinfection device 16 are both ultraviolet or negative ion generators; the filtering and purifying device 14 is a high-efficiency or ultra-high-efficiency filtering and purifying device HEPA/UHEPA, and can be integrated with the sterilizing device and the drying device 12; the first exhaust fan 15 and the second exhaust fan 151 are both negative pressure exhaust fans or positive pressure blowers, and are controlled by a control system 17, and the power of the exhaust fans is automatically adjustable according to signals of the control system.
The working principle and the process of the system are as follows: under the signal control of the intelligent induction control system 17, the compressed gas generating device generates high-pressure gas, the high-pressure gas is sprayed to a specific direction (the direction of the exhaust collecting device 7) through the air outlet 6 positioned around the head or the mouth and the nose to form an air curtain 5 wrapping or partially wrapping spray and aerosol, the spray and the aerosol spread through the mouth and the nose are controlled in a limited space between the air curtain 5 and the exhaust collecting device 7, the spread and the contact with other people (including medical staff) are reduced, and when the medical staff carries out medical operation through the mouth and the nose, the medical appliances can conveniently pass through the air curtain 5. The kinetic energy of the air curtain 5 and the kinetic energy of the dispersion of the droplets and the aerosol are utilized, the negative pressure generated by the negative pressure suction device at the mouth of the exhaust collecting device is utilized to form an air laminar flow from the mouth and the nose to the exhaust collecting device 7, and the droplets and the aerosol are collected and enter a pipeline for subsequent treatment. The droplets and aerosol entering the pipeline are disinfected by a chemical disinfection liquid filtering device, then dried by a drying device 12, and then enter a high-efficiency filtering and purifying device 14 to be filtered by an ultra-high-efficiency filter screen, and further enter physical disinfection devices such as ultraviolet rays, microwaves, negative ions and the like to efficiently disinfect the treated dry gas, so that residual harmful substances are further removed. The purified air can be used as a source of high-pressure air required by the air curtain to enter the system for continuous recycling.
The device integrates sensors including but not limited to pressure, temperature, liquid level, flow rate, resistance, laser, infrared rays and the like, and can timely and accurately monitor the external environment and the change of the system, thereby predicting, adjusting and feeding back the running condition of the system to adapt to different application modes. Above each structure module can be independently set up according to the application mode, perhaps increase and decrease the module setting, also can carry out the setting that module integration, brings more convenient for using operating personnel.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transformation that the content of the specification does, or directly or indirectly use in other related technical fields, all including in the same way the patent protection scope of the present invention.
Claims (9)
1. A innocent treatment device for collecting the spray and aerosol that spreads through mouth and nose, its characterized in that includes: the device comprises a pollution source, an air curtain air supply device, an exhaust collection device, a flow guide cover, a connecting pipe, a first disinfection device, a drying device, a second disinfection device, a filtering and purifying device, an exhaust fan, a third disinfection device and a control system; an air curtain air supply device is arranged on the left side of the pollution source; air outlets are respectively arranged on the upper side and the lower side of the right side of the air curtain air supply device; an exhaust gas collecting device is arranged on the right side of the pollution source; arranging a flow guide cover in the exhaust gas collecting device; an air curtain is formed between the air curtain air supply device and the exhaust collecting device through air outlet; forming laminar flow between the air curtains and flowing towards an exhaust gas collecting device; large particle pollutants and small particle pollutants are dispersed between the pollution source and the exhaust gas collecting device; the first disinfection device is arranged on the right side of the exhaust gas collection device, and the exhaust gas collection device is connected with the first disinfection device through a connecting pipe; a drying device is arranged at the upper end of the first disinfection device; a second disinfection device is arranged at the upper end of the drying device; a filtering and purifying device is arranged on the right side of the second disinfection device; a first exhaust fan is arranged on the right side of the filtering and purifying device; a third disinfection device is arranged on the right side of the first exhaust fan; the third disinfection device is connected with the air curtain air supply device through a connecting pipe, a second exhaust fan is arranged on the connecting pipe, and a control system is arranged in the middle of the connecting pipe; the control system is connected with the device through electric signals and controls the device to operate.
2. The device of claim 1, wherein the device is for collecting the dispersion and aerosol through the mouth of a patient, and comprises: the pollution source is a pollution source spread by a patient and the mouth and the nose; the large-particle pollutants are droplets spread through the mouth and the nose; the small particle pollutants are aerosol spread through the mouth and the nose.
3. The device of claim 1, wherein the device is for collecting the dispersion and aerosol through the mouth of a patient, and comprises: the outer edge air guide sleeve is also included; the outer edge flow guide cover is arranged at the edge of the exhaust collecting device and is parallel to the air curtain air supply device; the section of the exhaust gas collecting device is irregular, and the diameter of the exhaust gas collecting device is 0.05-1 m.
4. The device of claim 1, wherein the device is for collecting the dispersion and aerosol through the mouth of a patient, and comprises: the first disinfection device is a liquid filtering, disinfecting and drying integrated device.
5. The device of claim 1, wherein the device is for collecting the dispersion and aerosol through the mouth of a patient, and comprises: the drying device is a condensation drying device or a drying agent.
6. The device of claim 1, wherein the device is for collecting the dispersion and aerosol through the mouth of a patient, and comprises: the second disinfection device and the third disinfection device are both ultraviolet or negative ion generators.
7. The device of claim 1, wherein the device is for collecting the dispersion and aerosol through the mouth of a patient, and comprises: the purification device is a high-efficiency or ultra-high-efficiency filtration purification device HEPA/UHEPA.
8. The device of claim 1, wherein the device is for collecting the dispersion and aerosol through the mouth of a patient, and comprises: the first exhaust fan and the second exhaust fan are both negative pressure exhaust fans or positive pressure air blowers and are controlled by a control system.
9. The device of claim 1, wherein the device is for collecting the dispersion and aerosol through the mouth of a patient, and comprises: the section of the air curtain is irregular, and the diameter range is 0.01-1 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020221572.3U CN211854372U (en) | 2020-02-27 | 2020-02-27 | A innocent treatment device for collecting droplet and aerosol that spreads through mouth nose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020221572.3U CN211854372U (en) | 2020-02-27 | 2020-02-27 | A innocent treatment device for collecting droplet and aerosol that spreads through mouth nose |
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| Publication Number | Publication Date |
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| CN211854372U true CN211854372U (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020221572.3U Active CN211854372U (en) | 2020-02-27 | 2020-02-27 | A innocent treatment device for collecting droplet and aerosol that spreads through mouth nose |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112190845A (en) * | 2020-12-01 | 2021-01-08 | 湖南大学 | Medical wearable miniature air curtain system for protecting mouth and nose |
| CN113899050A (en) * | 2021-09-22 | 2022-01-07 | 首都医科大学附属北京世纪坛医院 | Air curtain space barrier device and system based on aerodynamic model |
-
2020
- 2020-02-27 CN CN202020221572.3U patent/CN211854372U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112190845A (en) * | 2020-12-01 | 2021-01-08 | 湖南大学 | Medical wearable miniature air curtain system for protecting mouth and nose |
| CN112190845B (en) * | 2020-12-01 | 2021-03-09 | 湖南大学 | Medical wearable miniature air curtain system for protecting mouth and nose |
| CN113899050A (en) * | 2021-09-22 | 2022-01-07 | 首都医科大学附属北京世纪坛医院 | Air curtain space barrier device and system based on aerodynamic model |
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