CN101387428A - Individuation ventilation device for blocking air conduction of infection pathogenic bacteria - Google Patents
Individuation ventilation device for blocking air conduction of infection pathogenic bacteria Download PDFInfo
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- CN101387428A CN101387428A CNA2008101553105A CN200810155310A CN101387428A CN 101387428 A CN101387428 A CN 101387428A CN A2008101553105 A CNA2008101553105 A CN A2008101553105A CN 200810155310 A CN200810155310 A CN 200810155310A CN 101387428 A CN101387428 A CN 101387428A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention discloses a personalized ventilation device for airborne transmission interruption of infectious bacteria, which belongs to the field of heating ventilating and air conditioning. The device comprises a fresh air supply system and an air return system, wherein the air return system is positioned above the fresh air supply system, the fresh air supply system comprises a fresh air pipeline, the fresh air pipeline is connected with an air supply branch pipe, an axial-flow fan is arranged in the air supply branch pipe, the air supply branch pipe is provided with an air outlet, and the axial-flow fan delivers fresh air through the air outlet on the air supply branch pipe; the air return system comprises a pumping air return cover, an exhaust fan is arranged in the pumping air return cover, an air outlet of the pumping air return cover is connected with an air return connecting pipeline, and a sterilizing device is arranged in the air return connecting pipeline. The device can solve the problems of large energy consumption, cross-infection between patients and medical personnel in lazaretto wards and so on in the prior mixed ventilation. The device can safely and reliably combine the prior central air conditioning system for the adjustment of indoor temperature and humidity.
Description
Technical field
What the present invention relates to is a kind of air-conditioning system end equipment, and particularly a kind of controlled partial air conditioning ventilation unit of emitting source that prevents air route infection disease is applied to the ventilation in high risk, the communicable ward of high air, belongs to the air-conditioning technique field.
Background technology
The central air conditioner system of using is originated according to the air that uses at present, can be divided into brand-new wind system and part VMC, takes place according to its air current composition, can be divided into mixed ventilation mode and replacement aeration mode.When central air-conditioning system is applied to have the ward of air or droplet infection, because in lazaretto ward, infective virus is to distribute with the point source form, the exhalation air and the spittle by patient are pollution sources, under the air-flow of conventional air-conditioning system promotes, infective virus is the large tracts of land diffusion in the ward, causes medical personnel's cross-infection.So present conventional air-conditioning system not only can not play the air cleaning effect, viral convection current and diffusion propagation have also been aggravated on the contrary.If the air-conditioning system in the ward is installed common air cleaning unit, before virus enters sterilizing unit, in fact caused the convection current and the diffusion propagation of virus in the ward, even, do not have thorough removing pollution sources, 100% sterilization and air cleaning effect so in return air inlet or air-conditioning box, installed air cleaning unit additional yet.Find by literature search, Chinese invention patent: variable air delivery type individualized air supply device, the patent No.: CN200510011652.6, this patent relates to a kind of end equipment of air-conditioning system, comprise air inducing inlet, variable air rate blower fan, upright flexible air-supply pipeline section and terminal air port successively, described parts connect as a whole successively, and this device integral installation is in the operating position of air-conditioning object; This patent of invention is to differ and the novel air-supply arrangement invented at the preference of Different Individual to air-supply, it is big simultaneously can to solve conventional hybrid ventilation energy consumption, replacement aeration is easy to generate problems such as local discomfort, use this variable air delivery type individualized air supply device, the air-conditioning object can be regulated air quantity and wind direction according to self needs, and does not influence other air-conditioning objects.But this device has only provided the personalization of air-supply, fail in time to discharge for the be infectious air that carries of viral germ of exhalation, cause the pollution of room air, can not guarantee the air-safety problem in special occasions such as the hospital infectious disease room, the cleaning of room air can't be fundamentally guaranteed, the air-flow diffusion of high risk, the communicable pollution sources of high air can't be prevented.Think safety, thoroughly purify indoor air environment in the infectiousness ward, must directly provide clean fresh new wind air for the patient simultaneously in source that virus produces just with its seizure and discharge.Do not find identical with theme of the present invention or similar report as yet.
Summary of the invention
The objective of the invention is to remedy disadvantages of background technology, a kind of controlled personalized ventilation unit of partial air conditioning of emitting source of the prevention air route infection disease of using in the hospital infectious disease ward is provided, the contaminated air that achieves in high risk, the communicable ward of high air can directly be drained purification, provide fresh new wind to the patient simultaneously, after using this contrive equipment, can be used in combination conventional central air conditioner system safely.
The present invention realizes that by dew wind individual blowing system and the such technical scheme of air return system that can disinfection its technical solution is as follows:
A kind of air borne of disease carrying germ is blocked personalized ventilation unit, comprise fresh air supply system and air return system, air return system is positioned at the top of fresh air supply system, fresh air supply system comprises the fresh wind tube road, on the fresh wind tube road, be connected with blowpipe, be provided with axial flow blower in blowpipe, be provided with air outlet at blowpipe, axial flow blower is sent new wind by the air outlet on the blowpipe; Air return system comprises the return air cover of bleeding, and is provided with exhaust blower in the return air cover of bleeding, and is connected with the return air connecting pipe at the air outlet of the return air cover of bleeding, and is provided with bactericidal unit in the return air connecting pipe.
The present invention comprises dew wind air supply duct, variable air rate blower fan, control panel and personalized adjustable air outlet successively, and described parts connect as a whole successively, and this device is installed in the head both sides of sick bed in the hospital infectious disease ward; This device also comprises the return air cover of bleeding, exhaust blower, can regulate return air connecting pipe, low efficient filter, ultraviolet tube and high efficiency particulate air filter, described parts connect as a whole successively, this device is installed in sick bed above-head position, and the vertical range of itself and sick bed can be regulated by regulating the return air connecting pipe.
The present invention also can regulate air-supply blowing direction and air supply velocity by control panel, is fit to patient's the activity and the needs that lie low, and guarantees comfort; Described individual blowing mouth employing activity blinds changes air supply direction, adopts the variable air rate blower fan to change the air-supply wind speed; But the air return system of described disinfection adopts low efficient filter and high efficiency particulate air filter that return air is carried out secondary filter, carries out thorough sterilization by the irradiation of ultraviolet tube, purifies return air; Described elasticity return air tube connector adopts the elastoplast tube connector, in order to regulate vertical range between air return system and the sick bed according to patient's action need easily.
Prior art does not provide personalized ventilation unit at the occasion of the such special requirement of lazaretto ward, the present invention has filled up the blank of this respect technology, have the following advantages and the high-lighting effect: directly pure brand-new wind is sent in the patient's in infectious disease ward respiratory region, saved the energy that traditional total space mixed ventilation mode is wasted; Each sick bed both sides in the ward and above this device is installed, can realize regulating parameters such as wind direction and wind speed according to self needs by individual patients, when satisfying the air-conditioning needs of Different Individual, do not influence other air-conditioning objects, improve the comfort level of air-conditioning system, and guaranteed the quality of every patient's suction air; The installation of the personalized exhaust system of can sterilizing, the air that has infective virus that every patient is breathed out carries out independent return air, the carbon dioxide around the reduction patient and the concentration of infective virus and pollutant, guaranteed and other patients between isolation, guaranteed the air-safety in the whole ward, avoid the patient to the cross-infection hidden danger between other patients and medical personnel, stop the generation of the tragedy that SARS burst period medical personnel infect, the air ambient in the ward of a safety is provided.
Description of drawings
Fig. 1 a kind of structural representation that prevents the personalized ventilation unit case study on implementation of air route infection disease provided by the invention.
The specific embodiment
A kind of air borne of disease carrying germ is blocked personalized ventilation unit, comprise fresh air supply system and air return system, air return system is positioned at the top of fresh air supply system, fresh air supply system comprises fresh wind tube road 1, on fresh wind tube road 1, be connected with blowpipe 2, be provided with axial flow blower 3 in blowpipe 2, be provided with air outlet at blowpipe 2, axial flow blower 3 is sent new wind by the air outlet on the blowpipe 2; Air return system comprises the return air cover 6 of bleeding, in the return air cover 6 of bleeding, be provided with exhaust blower 7, air outlet at the return air cover 6 of bleeding is connected with return air connecting pipe 8, be provided with bactericidal unit in return air connecting pipe 8, in the present embodiment, described bactericidal unit comprises according to air-out direction and is set in turn in low efficient filter 9, ultraviolet-sterilization fluorescent tube 10 and high efficiency particulate air filter 11 in the return air connecting pipe 8.
Below in conjunction with accompanying drawing the concrete structure of the present invention and the course of work are described further:
As Fig. 1, the present invention includes fresh air supply system, form by following parts: fresh wind tube road 1, blowpipe 2, axial flow blower 3, gauge tap panel 4, adjustable air outlet 5.Concrete connected mode is: blowpipe 2 draws and is installed in the both sides of sick bed from fresh wind tube road 1, in blowpipe 2, settle small-power pipeline axial flow blower 3, on the blowpipe 2 in left side, be provided with gauge tap panel 4, panel is provided with start stop switch, wind speed regulates button and wind direction is regulated button, blowpipe 2 is provided with adjustable air outlet 5 towards the side of sick bed, be mainly used to control the wind direction of air-supply.
Air return system is made up of following parts: the return air cover 6 of bleeding, exhaust blower 7, return air connecting pipe 8, low efficient filter 9, ultraviolet-sterilization fluorescent tube 10, high efficiency particulate air filter 11.Concrete connected mode is: the top of the return air cover 6 of bleeding is provided with exhaust blower 7, and link to each other with return air connecting pipe 8, be provided with low efficient filter 9, ultraviolet-sterilization fluorescent tube 10 and high efficiency particulate air filter 11 at the rear portion of connecting pipe 8, return air is shone by ultraviolet-sterilization fluorescent tube 10 through low efficient filter 9 backs, filter thorough pollution abatement through high efficiency particulate air filter 11 more afterwards, thick simultaneously imitate and high efficiency particulate air filter on pollutants such as the bacterium that gets off tackled, microorganism can both thoroughly be killed by UV-irradiation.
Dew wind individual blowing system, comprise a fresh wind tube road and individual blowing arm, a gauge tap panel, be used for controlling the blowing direction of individual blowing mouth and cold air blast velocity, the axial flow variable air rate blower fan of a small-power low noise, an adjustable air outlet, in order to guarantee individual blowing.All parts use sealing gasket and glass cement to prevent gas leakage with the rivet or the as a whole apparatus that is threaded, junction.Blowpipe is installed in the head both sides of sick bed, makes air outlet to blow to the patient separately, can be fixed in also to adopt stent support to be fixed on the flooring surface on the sick bed.When the patient moves in or need air-conditioning, can open louvered air outlet and axial fan by the control panel start stop switch, regulate button by the wind speed and direction on the panel, can realize satisfying of personal needs.
But the air return system of disinfection, comprise that the return air cover of bleeding, small-power low noise exhaust blower, one in order to patient expired contaminated air is introduced return air duct, discharge indoor, one section elasticity return air connecting pipe, low efficient filter, ultraviolet-sterilization fluorescent tube and high efficiency particulate air filter.Concrete connected mode is: the top of the return air cover of bleeding is provided with exhaust blower, and link to each other with elasticity return air connecting pipe, be provided with low efficient filter, ultraviolet-sterilization fluorescent tube and high efficiency particulate air filter at the rear portion of connecting pipe, return air is shone by the ultraviolet-sterilization fluorescent tube through behind the low efficient filter, filter thorough pollution abatement through high efficiency particulate air filter more afterwards, thick simultaneously imitate and high efficiency particulate air filter on pollutants such as the bacterium that gets off tackled, microorganism can both thoroughly be killed by UV-irradiation.All parts use sealing gasket and glass cement to prevent gas leakage with the rivet or the as a whole apparatus that is threaded, junction.The return air cover is installed in sick bed patient above-head, and the vertical range of itself and sick bed can be regulated by regulating the return air connecting pipe; The return air of bleeding is located at the patient head top, during use, swabbing action by exhaust blower, it is bottom-up forming a flow direction around reaching above patient head, from suction-type flow field outside to inside, the air suction velocity of formation should be greater than the convection current and the diffusion velocity of patient expired pollutant; Return air can directly be discharged to after virus purified outdoor through kill bacteria, can not cause secondary pollution to the outside atmosphere environment.In VMC and air return system, all adopt the blower fan of small-power low noise, can not have influence on the rest of other patients in patient and the room, and the wind speed that guarantees air-supply and return air is very low, can not cause the patient that uncomfortable blowing feeling and exhausting sense are arranged, and guarantees quiet environment in the ward.
Claims (2)
1, a kind of air borne of disease carrying germ is blocked personalized ventilation unit, it is characterized in that: comprise fresh air supply system and air return system, air return system is positioned at the top of fresh air supply system, fresh air supply system comprises fresh wind tube road (1), on fresh wind tube road (1), be connected with blowpipe (2), be provided with axial flow blower (3) in blowpipe (2), be provided with air outlet at blowpipe (2), axial flow blower (3) is sent new wind by the air outlet on the blowpipe (2); Air return system comprises the return air cover (6) of bleeding, and is provided with exhaust blower (7) in the return air cover (6) of bleeding, and is connected with return air connecting pipe (8) at the air outlet of the return air cover (6) of bleeding, and is provided with bactericidal unit in return air connecting pipe (8).
2, according to claim 1, it is characterized in that bactericidal unit comprises according to air-out direction to be set in turn in low efficient filter (9), ultraviolet-sterilization fluorescent tube (10) and high efficiency particulate air filter (11) in the return air connecting pipe (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101553105A CN101387428B (en) | 2008-10-17 | 2008-10-17 | Individuation ventilation device for blocking air conduction of infection pathogenic bacteria |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101553105A CN101387428B (en) | 2008-10-17 | 2008-10-17 | Individuation ventilation device for blocking air conduction of infection pathogenic bacteria |
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| CN101387428A true CN101387428A (en) | 2009-03-18 |
| CN101387428B CN101387428B (en) | 2011-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101553105A Expired - Fee Related CN101387428B (en) | 2008-10-17 | 2008-10-17 | Individuation ventilation device for blocking air conduction of infection pathogenic bacteria |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884060A (en) * | 2013-12-18 | 2014-06-25 | 沙洲职业工学院 | Spinning air conditioning system and method for stably switching spinning air supply pressure |
| CN104434444A (en) * | 2014-12-05 | 2015-03-25 | 清华大学 | Medical isolation bed device with air curtain |
| CN108662695A (en) * | 2018-05-29 | 2018-10-16 | 深圳大学 | Air-supply arrangement and temperature control fresh air system |
| CN111486524A (en) * | 2020-05-08 | 2020-08-04 | 重庆工业职业技术学院 | Indoor fresh air system helpful for preventing and controlling new coronary pneumonia |
| US20200348038A1 (en) * | 2019-07-12 | 2020-11-05 | Johnson Controls Technology Company | Hvac system design and operational tool for building infection control |
| CN112856687A (en) * | 2021-01-18 | 2021-05-28 | 青岛理工大学 | Horizontal and vertical blowing and sucking combined air isolation device, system and method |
| CN113251507A (en) * | 2021-04-30 | 2021-08-13 | 大连交通大学 | Fresh air system for anti-virus closed space |
| US11274842B2 (en) | 2019-07-12 | 2022-03-15 | Johnson Controls Tyco IP Holdings LLP | Systems and methods for optimizing ventilation, filtration, and conditioning schemes for buildings |
| US11714393B2 (en) | 2019-07-12 | 2023-08-01 | Johnson Controls Tyco IP Holdings LLP | Building control system with load curtailment optimization |
| US11761660B2 (en) | 2019-01-30 | 2023-09-19 | Johnson Controls Tyco IP Holdings LLP | Building control system with feedback and feedforward total energy flow compensation |
| US11960261B2 (en) | 2021-09-23 | 2024-04-16 | Johnson Controls Tyco IP Holdings LLP | HVAC system with sustainability and emissions controls |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201322392Y (en) * | 2008-10-17 | 2009-10-07 | 东南大学 | Individualized ventilating device capable of interrupting transmission of air with infectious germs |
-
2008
- 2008-10-17 CN CN2008101553105A patent/CN101387428B/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884060A (en) * | 2013-12-18 | 2014-06-25 | 沙洲职业工学院 | Spinning air conditioning system and method for stably switching spinning air supply pressure |
| CN103884060B (en) * | 2013-12-18 | 2016-09-14 | 沙洲职业工学院 | A kind of spinning air conditioning system and spinning blast pressure stablize changing method |
| CN104434444A (en) * | 2014-12-05 | 2015-03-25 | 清华大学 | Medical isolation bed device with air curtain |
| CN108662695A (en) * | 2018-05-29 | 2018-10-16 | 深圳大学 | Air-supply arrangement and temperature control fresh air system |
| US11761660B2 (en) | 2019-01-30 | 2023-09-19 | Johnson Controls Tyco IP Holdings LLP | Building control system with feedback and feedforward total energy flow compensation |
| US11269306B2 (en) | 2019-07-12 | 2022-03-08 | Johnson Controls Tyco IP Holdings LLP | HVAC system with building infection control |
| US11131473B2 (en) * | 2019-07-12 | 2021-09-28 | Johnson Controls Tyco IP Holdings LLP | HVAC system design and operational tool for building infection control |
| US20200348038A1 (en) * | 2019-07-12 | 2020-11-05 | Johnson Controls Technology Company | Hvac system design and operational tool for building infection control |
| US11274842B2 (en) | 2019-07-12 | 2022-03-15 | Johnson Controls Tyco IP Holdings LLP | Systems and methods for optimizing ventilation, filtration, and conditioning schemes for buildings |
| US11714393B2 (en) | 2019-07-12 | 2023-08-01 | Johnson Controls Tyco IP Holdings LLP | Building control system with load curtailment optimization |
| US11913655B2 (en) | 2019-07-12 | 2024-02-27 | Johnson Controls Tyco IP Holdings LLP | Systems and methods for optimizing ventilation, filtration, and conditioning schemes for buildings |
| CN111486524A (en) * | 2020-05-08 | 2020-08-04 | 重庆工业职业技术学院 | Indoor fresh air system helpful for preventing and controlling new coronary pneumonia |
| CN112856687A (en) * | 2021-01-18 | 2021-05-28 | 青岛理工大学 | Horizontal and vertical blowing and sucking combined air isolation device, system and method |
| CN113251507A (en) * | 2021-04-30 | 2021-08-13 | 大连交通大学 | Fresh air system for anti-virus closed space |
| US11960261B2 (en) | 2021-09-23 | 2024-04-16 | Johnson Controls Tyco IP Holdings LLP | HVAC system with sustainability and emissions controls |
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| Publication number | Publication date |
|---|---|
| CN101387428B (en) | 2011-04-27 |
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Granted publication date: 20110427 Termination date: 20131017 |