CN1550725A - Negative-pressure air-flow induce regulating device for isolating SARS - Google Patents
Negative-pressure air-flow induce regulating device for isolating SARS Download PDFInfo
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- CN1550725A CN1550725A CNA03131435XA CN03131435A CN1550725A CN 1550725 A CN1550725 A CN 1550725A CN A03131435X A CNA03131435X A CN A03131435XA CN 03131435 A CN03131435 A CN 03131435A CN 1550725 A CN1550725 A CN 1550725A
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Abstract
Air inducing regulation device using negative pressure comprises air current inducer, connection air pipe, filtering device, blower, exhaust guidance and pressure differential controller is utilized to isolate SARS virus. Air current inducer sets up at two sides of sickbed through connection air pipe is connected to blower. Another end of the blower is connected to the exhaust guidance. The blower is connected to the pressure differential controller, which is connected to pressure differential transducer. The pressure differential transducer is connected to pressure sensors. Negative pressure formed in polluted zone makes air in polluted zone not possible to enter into outside polluted zone, and air outside polluted zone possible to enter into polluted zone so as to form a flowing air in one way as an isolation barrier shield.
Description
The present invention relates to a kind ofly in the ward or in large space negative pressure be carried out in contaminated sick bed zone and isolate, and directly induce the negative-pressure air-flow that can be used for isolating SARS (SARS) virus of recovery to induce adjusting device the gas that pollutes.
In the existing hospital ward, medical personnel and patient often are in the same air ambient, and virus can be propagated as carrier by airborne suspended particulate.Especially in the ward of virus by air pollution (as SARS virus), medical personnel can only come self-protection by dressing protective garment; And the patient on the sick bed is as primary pollution source, and the pernicious gas of exhalation or the emanation of microorganism directly have been discharged in the ward, have been full of contaminated gas in the ward in the air thereby make.Especially the disease (as SARS) that infects by respiratory tract, the speed that virus is propagated in air is very fast, very promptly with the air pollution in whole ward, if in the ward a plurality of different symptoms or the different patient of weight are arranged, cross-infection or superinfection then appear easily, especially in the common general hospital of no special area of isolation or isolation ward, there is not a kind of device after simply installing fast, to make ordinary hospital bed become the isolation sick bed at present.To the isolation of the Polluted area of some certain local area, there is not more effectively device in addition yet.
Purpose of the present invention is intended to solve the deficiencies in the prior art, a kind of (around sick bed) formation negative pressure in certain local space that makes is provided, in a large space, isolate the area of space of a negative pressure, and the gas that pollutes directly induced recovery, form the single-phase isolation barrier of air one, the noxious air of this contaminated area is not spread to outside the contaminated area, prevent the air in local pollution zone and other zone mutually the negative-pressure air-flow that can be used for isolating SARS (SARS) virus of the medical protection of composite pollution or other specific use induce adjusting device.
The objective of the invention is to reach by following measure.
The negative-pressure air-flow that can be used for isolating SARS (SARS) virus of the present invention is induced adjusting device, is made up of air-flow persuader, blowing and discharging fan, filter, connection airduct etc.The air-flow persuader links by connecting airduct and blowing and discharging fan, and the other end of blowing and discharging fan is connected with exhaust manifolds, and blowing and discharging fan is connected with differential pressure controller, and differential pressure controller links to each other with pressure difference transmitter, and pressure difference transmitter is connected with pressure sensor.
Induce adjusting device to be described in detail below in conjunction with accompanying drawing to the negative-pressure air-flow that can be used for isolating SARS (SARS) virus of the present invention.
Fig. 1 is the structural representation that the viral negative-pressure air-flow of SARS (SARS) is induced adjusting device embodiment (1) that can be used for isolating of the present invention.
Fig. 2 is the user mode schematic diagram that the viral negative-pressure air-flow of SARS (SARS) is induced adjusting device embodiment (1) that can be used for isolating of the present invention.
Fig. 3 is the structural representation that the viral negative-pressure air-flow of SARS (SARS) is induced adjusting device embodiment (2) that can be used for isolating of the present invention.
Fig. 4 is the structured flowchart that the viral negative-pressure air-flow of SARS (SARS) is induced adjusting device embodiment (2) that can be used for isolating of the present invention.
The negative-pressure air-flow that can be used for isolating SARS (SARS) virus of the present invention is induced adjusting device, by air-flow persuader (1), connect airduct (2), filter (3), blowing and discharging fan (4), exhaust manifolds (5) and differential pressure controller (6) and form.As shown in Figure 1, air-flow persuader (1) is arranged at the both sides of sick bed, air-flow persuader (1) is provided with diversion stomatal, link with blowing and discharging fan (4) by connecting airduct (2), be provided with filter (3) at connection airduct (2) and the interconnective position of blowing and discharging fan (4), the other end of blowing and discharging fan (4) is connected with exhaust manifolds 5, blowing and discharging fan (4) is provided with interlock check air-valve (4-1) with the junction of exhaust manifolds (5), blowing and discharging fan (4) is connected with differential pressure controller (6), differential pressure controller (6) links to each other with pressure difference transmitter (9), and pressure difference transmitter (9) is connected with pressure sensor (P1) and (P2).
The negative-pressure air-flow that can be used for isolating SARS (SARS) virus of the present invention induces adjusting device in use, as shown in Figure 1, differential pressure pickup (P1) is installed in the peripheral edge place (being with as treatment) of certain Polluted area (for example sick bed), differential pressure pickup (P2) is installed in certain Polluted area (for example sick bed), concrete visual disease propagation in installation site and ward condition are on-the-spot to be adjusted, the difference of installation site, desired pressure reduction are also different.Differential pressure controller (6) can be installed in is convenient to the position of operating and watching, because pressure reduction is big more, wind speed is high more, the also corresponding increase of noise, therefore will be according to patient's infection intensity, the different phase of the state of an illness is carried out the setting or the change of negative pressure value, by differential pressure pickup (P1), (P2) pressure difference signal is sent to differential pressure controller (6) by pressure difference transmitter (9), differential pressure controller (6) is in real time according to set pressure difference and differential pressure pickup (P1), (P2) measured pressure difference compares, when measured value during, then control blowing and discharging fan (4) and improve rotating speed to strengthen pressure difference less than the value of setting; Otherwise then reduce rotating speed to reduce pressure difference.Thereby reach the pressure difference that sets and show this pressure difference in real time.When blowing and discharging fan (4) running work, the dusty gas that connection airduct (2) is collected air-flow persuader (1) carries out preliminary filtration by filter (3), enter the exhaust manifolds (5) that blowing and discharging fan (4) other end is connected, the dusty gas of collecting is entered fixed position, as a device of concentrating sterilization to handle to the collected dusty gas of several Polluted areas is set, after the processing of disinfection apparatus sterilization, the gas that will meet sanitary standard is again discharged outdoor.
As shown in Figure 2, the negative-pressure air-flow that can be used for isolating SARS (SARS) virus of the present invention induces adjusting device that the air processor (7) of one sterilization can be set in the appropriate location of exhaust manifolds (5), after the sterilization of the air processor (7) by sterilization is handled, the gas that will meet sanitary standard is discharged outdoor by exhaust manifolds (5), blowing and discharging fan (4) is provided with interlock check air-valve (4-1) with the junction of exhaust manifolds (5), can not enter indoor to guarantee the gas in the blast pipe.
As shown in drawings, the negative-pressure air-flow that can be used for isolating SARS (SARS) virus of the present invention induces the differential pressure controller (6) in the adjusting device can be provided with by the scene the regulation and control of pressure reduction to show and control, and provide network interface, can make differential pressure controller (6) be attached to PC, or a plurality of these devices are networked, concentrate to be controlled by nursing station (8), reach the purpose of remote monitoring, centralized management.In addition, when not adding pressure reduction control, the above can not use yet, can adopt open and close to control directly to open this moment, blowing and discharging fan (4), as long as blowing and discharging fan (4) is opened, then air-flow persuader (1) will suck the air in the Polluted area (sick bed), by connecting airduct (2) and exhaust manifolds (5), orientation is discharged behind disinfection, but does not add the function that does not then have setting when pressure reduction is controlled, regulates and monitor pressure reduction automatically.
Shown in accompanying drawing 1,3, the negative-pressure air-flow that can be used for isolating SARS (SARS) virus of the present invention induces the air-flow persuader (1) of adjusting device can be different geometries according to the difference of installation site, for example L type, four limit types etc., different shapes can produce different negative pressure effects; The connected mode and the position that connect airduct (2), filter (3), blowing and discharging fan (4), exhaust manifolds (5) also can be according to the differences of polluting the position, carry out different putting, for example when the Polluted area of certain scope need be isolated, can at first set air-flow persuader (1) according to the height and the shape of pollution sources, as be arranged on the both sides of sick bed or all around; The situation on ground, visual field is arranged the connection that connects airduct (2), filter (3), blowing and discharging fan (4), exhaust manifolds (5) again.
The negative-pressure air-flow that can be used for isolating SARS (SARS) virus of the present invention is induced adjusting device, pass through said structure, the negative pressure that forms in the sick bed contaminated area is enough to make the air of sick bed Polluted area can not enter outside the Polluted area, the outer air of sick bed Polluted area then can enter in the Polluted area, and the gas that pollutes directly induced recovery, form the single-phase isolation barrier of air one, the noxious air of this contaminated area is not spread to outside the contaminated area, avoid air and other zone composite pollution mutually in local pollution zone; When running into strong respiratory diseases poison (as SARS), use this device, can reduce the density of virus to greatest extent, the reduction infectiousness.
Claims (5)
1, a kind of by air-flow persuader (1), connect airduct (2), filter (3), blowing and discharging fan (4), the negative-pressure air-flow that exhaust manifolds (5) and differential pressure controller (6) are formed can be used for isolating SARS (SARS) virus is induced adjusting device, it is characterized in that air-flow persuader (1) is arranged at the both sides of sick bed, link with blowing and discharging fan (4) by connecting airduct (2), the other end of blowing and discharging fan (4) is connected with exhaust manifolds 5, blowing and discharging fan (4) is connected with differential pressure controller (6), differential pressure controller (6) links to each other with pressure difference transmitter (9), and pressure difference transmitter (9) is connected with pressure sensor (P1) and (P2).
2, the negative-pressure air-flow that can be used for isolating SARS (SARS) virus according to claim 1 is induced adjusting device, it is characterized in that air-flow persuader (1) is provided with diversion stomatal.
3, the negative-pressure air-flow that can be used for isolating SARS (SARS) virus according to claim 1 is induced adjusting device, it is characterized in that being provided with filter (3) with the interconnective position of blowing and discharging fan (4) connecting airduct (2).
4, the negative-pressure air-flow that can be used for isolating SARS (SARS) virus according to claim 1 is induced adjusting device, it is characterized in that the blowing and discharging fan (4) and the junction of exhaust manifolds (5) are provided with interlock check air-valve (4-1).
5, induce adjusting device according to claim 1, the 2 described negative-pressure air-flows that can be used for isolating SARS (SARS) virus, it is characterized in that air-flow persuader (1) can be different geometries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA03131435XA CN1550725A (en) | 2003-05-19 | 2003-05-28 | Negative-pressure air-flow induce regulating device for isolating SARS |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN03124297 | 2003-05-19 | ||
| CN03257204.2 | 2003-05-19 | ||
| CN03124297.9 | 2003-05-19 | ||
| CN03257204 | 2003-05-19 | ||
| CNA03131435XA CN1550725A (en) | 2003-05-19 | 2003-05-28 | Negative-pressure air-flow induce regulating device for isolating SARS |
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| Publication Number | Publication Date |
|---|---|
| CN1550725A true CN1550725A (en) | 2004-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA03131435XA Pending CN1550725A (en) | 2003-05-19 | 2003-05-28 | Negative-pressure air-flow induce regulating device for isolating SARS |
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| CN (1) | CN1550725A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221519A (en) * | 2011-06-03 | 2011-10-19 | 江苏华凯矿业科技有限公司 | Direct-reading dust concentration detector |
| CN104792673A (en) * | 2015-03-30 | 2015-07-22 | 江苏华凯矿业科技有限公司 | Direct-reading dust concentration detector with differential pressure detection function |
| CN111594948A (en) * | 2020-05-30 | 2020-08-28 | 石家庄奥祥医药工程有限公司 | Steady-state current-changing medical examination cabin |
| CN111878930A (en) * | 2020-09-02 | 2020-11-03 | 中铁建设集团有限公司 | High-pollution air exhaust multi-measure sterilization system and method |
| CN111878929A (en) * | 2020-09-02 | 2020-11-03 | 中铁建设集团有限公司 | Underground space high-pollution air exhaust multi-flow comprehensive killing and purifying system and method |
| CN111878926A (en) * | 2020-09-02 | 2020-11-03 | 中铁建设集团有限公司 | Negative pressure air exhaust and self-disinfection system and method for high-pollution building space |
| CN111878928A (en) * | 2020-09-02 | 2020-11-03 | 中铁建设集团有限公司 | High-pollution exhaust aeration disinfecting and killing system and method |
| CN111878927A (en) * | 2020-09-02 | 2020-11-03 | 中铁建设集团有限公司 | Air exhaust, disinfection and purification system and method for high-pollution building space |
| CN111878932A (en) * | 2020-09-02 | 2020-11-03 | 中铁建设集团有限公司 | High-pollution building space air exhaust multi-flow comprehensive killing system and method |
| CN111912053A (en) * | 2020-09-02 | 2020-11-10 | 中铁建设集团有限公司 | High-pollution air exhaust aeration heating combustion sterilization system and method |
| US11219853B1 (en) | 2020-04-13 | 2022-01-11 | Carrier Corporation | Negative air filtration system |
| CN111878927B (en) * | 2020-09-02 | 2024-04-26 | 中铁建设集团有限公司 | High-pollution building space exhaust sterilizing and purifying system and method |
-
2003
- 2003-05-28 CN CNA03131435XA patent/CN1550725A/en active Pending
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221519A (en) * | 2011-06-03 | 2011-10-19 | 江苏华凯矿业科技有限公司 | Direct-reading dust concentration detector |
| CN102221519B (en) * | 2011-06-03 | 2012-10-10 | 江苏华凯矿业科技有限公司 | Direct-reading dust concentration detector |
| CN104792673A (en) * | 2015-03-30 | 2015-07-22 | 江苏华凯矿业科技有限公司 | Direct-reading dust concentration detector with differential pressure detection function |
| CN104792673B (en) * | 2015-03-30 | 2017-08-18 | 江苏华凯矿业科技有限公司 | Direct-reading dust concentration detector with pressure differential detection function |
| US11219853B1 (en) | 2020-04-13 | 2022-01-11 | Carrier Corporation | Negative air filtration system |
| CN111594948A (en) * | 2020-05-30 | 2020-08-28 | 石家庄奥祥医药工程有限公司 | Steady-state current-changing medical examination cabin |
| CN111594948B (en) * | 2020-05-30 | 2021-09-17 | 石家庄奥祥医药工程有限公司 | Steady-state current-changing medical examination cabin |
| CN111878932A (en) * | 2020-09-02 | 2020-11-03 | 中铁建设集团有限公司 | High-pollution building space air exhaust multi-flow comprehensive killing system and method |
| CN111878932B (en) * | 2020-09-02 | 2024-04-19 | 中铁建设集团有限公司 | Multi-flow comprehensive sterilizing system and method for high-pollution building space exhaust |
| CN111878927A (en) * | 2020-09-02 | 2020-11-03 | 中铁建设集团有限公司 | Air exhaust, disinfection and purification system and method for high-pollution building space |
| CN111878926A (en) * | 2020-09-02 | 2020-11-03 | 中铁建设集团有限公司 | Negative pressure air exhaust and self-disinfection system and method for high-pollution building space |
| CN111912053A (en) * | 2020-09-02 | 2020-11-10 | 中铁建设集团有限公司 | High-pollution air exhaust aeration heating combustion sterilization system and method |
| CN111878929A (en) * | 2020-09-02 | 2020-11-03 | 中铁建设集团有限公司 | Underground space high-pollution air exhaust multi-flow comprehensive killing and purifying system and method |
| CN111878930A (en) * | 2020-09-02 | 2020-11-03 | 中铁建设集团有限公司 | High-pollution air exhaust multi-measure sterilization system and method |
| CN111878928A (en) * | 2020-09-02 | 2020-11-03 | 中铁建设集团有限公司 | High-pollution exhaust aeration disinfecting and killing system and method |
| CN111878930B (en) * | 2020-09-02 | 2024-04-23 | 中铁建设集团有限公司 | High-pollution exhaust multi-measure disinfection system and method |
| CN111878926B (en) * | 2020-09-02 | 2024-04-23 | 中铁建设集团有限公司 | Negative pressure air exhaust and self-disinfection system and method for high-pollution building space |
| CN111912053B (en) * | 2020-09-02 | 2024-04-23 | 中铁建设集团有限公司 | High-pollution exhaust aeration heating combustion disinfection system and method |
| CN111878929B (en) * | 2020-09-02 | 2024-04-23 | 中铁建设集团有限公司 | High-pollution exhaust multi-flow comprehensive disinfection and purification system and method for underground space |
| CN111878927B (en) * | 2020-09-02 | 2024-04-26 | 中铁建设集团有限公司 | High-pollution building space exhaust sterilizing and purifying system and method |
| CN111878928B (en) * | 2020-09-02 | 2024-04-26 | 中铁建设集团有限公司 | High-pollution exhaust aeration disinfection system and method |
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