CN2644960Y - Contagious ward forced ventilation system - Google Patents
Contagious ward forced ventilation system Download PDFInfo
- Publication number
- CN2644960Y CN2644960Y CN 03247482 CN03247482U CN2644960Y CN 2644960 Y CN2644960 Y CN 2644960Y CN 03247482 CN03247482 CN 03247482 CN 03247482 U CN03247482 U CN 03247482U CN 2644960 Y CN2644960 Y CN 2644960Y
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- ward
- air
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- new wind
- fresh air
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Abstract
The utility model provides a compulsory ventilation system of an infectious disease ward, which comprises a ward air exhaust system provided with an outdoor air exhauster group 1 and an indoor air exhaust pipe 7 and a fresh air inlet system provided with an outdoor fresh air blower group 11 and an indoor air inlet pipe 17. The air exhaust pipe 7 is arranged on the side of the bed in the ward, which is higher than the wall on the bed and the head of the patient. The indoor air inlet pipe 17 is arranged the highest part of the wall which is opposite to the indoor air exhaust pipe 7. When the system works, the fresh air is input continuously while the ward air is output continuously; a steady airflow can be formed from the fresh air outlet 18 to the main air suction inlet 8 to realize compulsory ventilation. The ward air output is harmless after sterilization and dedusting. The fresh air input into the ward is clean and temperature-adjustable. An independent simple isolation bed comprises a fresh air inlet hose 10 which provides fresh air protection and fresh air for a plurality of medical staffs, a main suction inlet 8, a bed and an active tent. The spittle and the exhaust air can be output rapidly with the airflow, which improves the ward air quality to reduce the infection probability of the medical staff effectively.
Description
The utility model relates to a kind of infectious disease ward ventilating system.
Existing infectious disease ward generally adopts air-conditioner or heating equipment that the room temperature in ward is regulated, and has the air-conditioning product of ventilation, two-way ventilation comprising some, but only is the product of a small amount of ventilation.The common feature of these products is, the air in the ward is lowered the temperature repeatedly or heats, and in the ward constantly circulation reach room temperature regulated, this mode has caused the air in ward constantly to be recycled, to stir, especially concerning the breath transmission disease, germ virus is dispersed in the ward, its consequence is to make the medical worker very easily infected, health comes to harm, and this also is to halt the main cause of using existing air-conditioning equipment during the SARS pneumonia.For improving above situation, the ward is adopted electric fan, exhaust fan and is opened the door and window method to the ward forced ventilation, played certain effect, but this method is influenced by area, weather, wind direction, ward structure etc., be difficult to the degree that reaches desirable, and virus might be diffused in the atmosphere.
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of communicate illness ward ventilation forced system is provided.
The purpose of this utility model is to realize like this, a kind of communicate illness ward ventilation forced system, the ward air extraction system that comprises outdoor bleed unit and indoor exhaust tube composition, the new wind input system that outdoor new blower fan group and indoor ajutage are formed, it is characterized in that, the indoor exhaust tube that described ward air is extracted system out is installed in sick bed side in the ward, be higher than on the wall of ward and patient head top, indoor exhaust tube comprises main air entry, can open and close secondary air entry, the ultraviolet ray light pipe, described main air entry is over against sick bed and patient head, its inspiratory capacity is regulated by opening and closing secondary air entry, described indoor exhaust tube is connected with the outdoor unit of bleeding, and the outdoor unit of bleeding comprises the blower fan of bleeding, the ultraviolet ray light pipe, high efficiency particle air filter; The indoor ajutage of described new wind input system is installed on the wall of indoor exhaust tube opposite highest point, indoor ajutage comprises new wind air outlet, new wind branch ajutage, the top that described new wind branch ajutage extends to indoor exhaust tube comprises that new wind sends into flexible pipe, described indoor ajutage is connected with outdoor new blower fan group, and outdoor new blower fan group comprises high efficiency particle air filter, ultraviolet light pipe, heat exchanger of air condition, absorbent carbon fibrous reticulum, breeze fan; Described main air entry and sick bed comprise and easy Isolation bed of independence of the common composition of Movable tent.
Operation principle of the present utility model is, the breeze fan that outdoor new blower fan group is arranged is with the fresh air in the outside atmosphere---new wind, send into indoor ajutage through filter dirt, the poison that goes out, heat exchanger of air condition cooling or after heating, eliminating the unusual smell, clean new wind extremely slowly spreads in the ward to lower angle forward on a large scale from new wind air outlet; Simultaneously, the blower fan of bleeding of the outdoor unit of bleeding produces negative pressure, force ward air mainly to flow to main air entry direction, forming one flows to main air entry direction with new wind air outlet, steady air flow with certain flow rate, secondary air entry be can open and close and metope and subaerial ward air then siphoned away, ward air is through the sterilization poison that goes out, become harmless air behind the filter dirt, send in the outside atmosphere by the blower fan of bleeding, as mentioned above, ward air is constantly extracted out, new wind is sent constantly into, ward air extraction amount is slightly more than new wind air quantity makes the ward be in negative pressure, has formed with new wind ward air is carried out mandatory ventilation; New wind is sent into flexible pipe and is connected head protector, vest and import the effect of new wind generation positive pressure protection.
The utility model has the advantages that the spittle of patient's ejection and the waste gas of exhalation are nearest from main air entry, can in time fast and effeciently be discharged from air-flow, effectively reduce the threat to medical staff infection; The discharge ward air just equals to discharge the virus in the ward air, this its reliability of method of the ward being returned in ward air filtration sterilization again than employing is higher, efficient is also higher, if ward air per hour involuntary conversion then can reach comparatively ideal effect more than 10 times; Ad hoc Movable tent provides an easy Isolation bed of independence to the ward, and can open and close secondary air entry as closing this moment, and the efficient of row's spittle and waste gas can further be strengthened; Ad hoc new wind is sent into flexible pipe, and head protector, the vest that can be several medical workers sent into new wind and produced positive pressure protection, prevents that ward air from scurrying in the clothing, reduces infected threat, and can breathe fresh air, to health cooling or heating; The clean fresh air ward air that constantly swaps out has fundamentally improved the air quality in the ward, and the room temperature in ward is controlled, can use throughout the year, need not the people again and is the ventilation of windowing; It is strong as wards such as SARS pneumonia, viral influenzas not only to be fit to infectiousness, also is suitable for general ward at ordinary times, and this can reach the maneuverability effect that precautions averts perils to raising utilization rate, reply burst disease; Not high to the ward structural requirement, install easilier, cost is lower.
Below in conjunction with accompanying drawing embodiment of the present utility model is described:
Fig. 1 structure of the present utility model, installation site schematic diagram.
Fig. 2 effect schematic diagram of the present utility model.
Fig. 3 ward effect of the present utility model schematic diagram.
Shown in Fig. 1,2,3, communicate illness of the present utility model ward ventilation forced system comprises that the ward air that outdoor unit 1 and the indoor exhaust tube 7 of bleeding formed extracts the new wind input system that system, outdoor new blower fan group 11 and indoor ajutage 17 are formed out.
Described ward air is extracted system out, its indoor exhaust tube 7 is installed in sick bed side in the ward, is higher than on the wall of sick bed and patient head top, the main air entry 8 that indoor exhaust tube 7 comprises is over against sick bed and patient head, the secondary air entry 6 that opens and closes that comprises is distributed in the sick bed both sides, when closing to open and close secondary air entry 6 time, the effect of bleeding of main air entry 8 is reinforced, and 5 pairs of viruses that are bonded on the inwall of the ultraviolet light pipe that indoor exhaust tube comprises are killed; Indoor exhaust tube 7 is connected to the outdoor unit 1 of bleeding, the blower fan 2 of bleeding that it comprises produces negative pressure in indoor exhaust tube 7, ward air mainly is inhaled into the indoor exhaust tube 7 from main air entry 8 under suction function, the ward air of exhaust tube 7 unit 1 of under negative pressure, bleeding outside the inlet chamber in the inlet chamber, comprise through ultraviolet light pipe 4, high efficiency particle air filter 3, by the blower fan 2 of bleeding virus-free ward air is returned in the outside atmosphere in the malleation mode, described main air entry 8 and sick bed and Movable tent 19 be common forms the easy Isolation bed of independence.
Described new wind input system, its indoor ajutage 17 is installed on the wall of indoor exhaust tube 7 opposite highest points, indoor ajutage 17 comprises new wind branch ajutage 9, and the top that new wind branch ajutage 9 extends to indoor exhaust tube 7 comprises that many new wind send into flexible pipe 10, comprise forward to new wind air outlet 18 from new wind to lower angle that send; Indoor ajutage 17 is connected to outdoor new blower fan group 11, it breeze fan that comprises 12 produces negative pressure, fresh air in the outside atmosphere---the outer new blower fan group 11 of new wind inlet chamber, comprise through high efficiency particle air filter 13, ultraviolet light pipe 14, heat exchanger of air condition 15, absorbent carbon fibrous reticulum 16, new wind clean, conditioning is sent into indoor ajutage 17 in the malleation mode by breeze fan 12.
When the described ward air system of extracting out moves jointly with new wind input system, ward air not cracked ends master air entry 8 returned in the outside atmosphere, new wind not the new wind air outlet 18 of cracked ends send into the ward, reached the purpose of ward air being carried out mandatory ventilation with new wind.
Claims (3)
1 one kinds of communicate illness ward ventilation forced systems, the ward air extraction system that comprises outdoor bleed unit 1 and indoor exhaust tube 7 compositions, the new wind input system that outdoor new blower fan group 11 and indoor ajutage 17 are formed, it is characterized in that described ward air extracts system out, its indoor exhaust tube 7 is installed in sick bed side in the ward, be higher than on the wall of sick bed and patient head top, described new wind input system, its indoor ajutage 17 is installed on the wall of indoor exhaust tube 7 right opposite highest points, described new wind branch ajutage 9 extends to the top of indoor exhaust tube 7, comprises that new wind sends into flexible pipe 10.
2 a kind of communicate illness ward ventilation forced systems according to claim 1 is characterized in that main air entry 8 that indoor exhaust tube 7 comprises over against sick bed and patient head, describedly open and close secondary air entry 6 and are distributed in the sick bed both sides.
3 a kind of communicate illness ward ventilation forced systems according to claim 1 is characterized in that described main air entry 8 and sick bed and easy Isolation bed of independence of Movable tent 19 common compositions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03247482 CN2644960Y (en) | 2003-06-20 | 2003-06-20 | Contagious ward forced ventilation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03247482 CN2644960Y (en) | 2003-06-20 | 2003-06-20 | Contagious ward forced ventilation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2644960Y true CN2644960Y (en) | 2004-09-29 |
Family
ID=34292850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03247482 Expired - Fee Related CN2644960Y (en) | 2003-06-20 | 2003-06-20 | Contagious ward forced ventilation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2644960Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673239A (en) * | 2013-12-26 | 2014-03-26 | 无锡汉佳半导体科技有限公司 | Air supply device for isolation bed |
| CN112856587A (en) * | 2021-01-04 | 2021-05-28 | 朱文卿 | Air treatment system for ward |
| CN113187276A (en) * | 2021-07-02 | 2021-07-30 | 呼研所生物安全科技(广州)股份有限公司 | Isolation ward with adjusting function |
| US20210364181A1 (en) * | 2019-07-12 | 2021-11-25 | Johnson Controls Tyco IP Holdings LLP | Hvac system design and operational tool for building infection control |
-
2003
- 2003-06-20 CN CN 03247482 patent/CN2644960Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103673239A (en) * | 2013-12-26 | 2014-03-26 | 无锡汉佳半导体科技有限公司 | Air supply device for isolation bed |
| US20210364181A1 (en) * | 2019-07-12 | 2021-11-25 | Johnson Controls Tyco IP Holdings LLP | Hvac system design and operational tool for building infection control |
| CN112856587A (en) * | 2021-01-04 | 2021-05-28 | 朱文卿 | Air treatment system for ward |
| CN113187276A (en) * | 2021-07-02 | 2021-07-30 | 呼研所生物安全科技(广州)股份有限公司 | Isolation ward with adjusting function |
| CN113187276B (en) * | 2021-07-02 | 2021-09-14 | 呼研所生物安全科技(广州)股份有限公司 | Isolation ward with adjusting function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |