CN113390147A - Negative pressure keeps apart ward and uses exhaust device - Google Patents
Negative pressure keeps apart ward and uses exhaust device Download PDFInfo
- Publication number
- CN113390147A CN113390147A CN202110637331.6A CN202110637331A CN113390147A CN 113390147 A CN113390147 A CN 113390147A CN 202110637331 A CN202110637331 A CN 202110637331A CN 113390147 A CN113390147 A CN 113390147A
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- Prior art keywords
- air
- negative pressure
- exhaust
- pressure isolation
- isolation ward
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- 238000002955 isolation Methods 0.000 claims abstract description 42
- 238000004659 sterilization and disinfection Methods 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 abstract description 9
- 238000001914 filtration Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 208000035473 Communicable disease Diseases 0.000 description 4
- 208000015181 infectious disease Diseases 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000000249 desinfective effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 206010035664 Pneumonia Diseases 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/003—Ventilation in combination with air cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/15—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means
- F24F8/158—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by chemical means using active carbon
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/30—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
The invention discloses an exhaust device for a negative pressure isolation ward, which comprises: the air exhaust body comprises a box body, an air outlet and a plurality of air inlets which are arranged in the box body, an air outlet valve arranged on the air outlet and air inlet valves arranged on the plurality of air inlets; the air outlet is communicated with an air exhaust pipeline in the negative pressure isolation ward; and one end of each telescopic corrugated pipe is communicated with the air inlet, and the other end of each telescopic corrugated pipe is communicated with a position to be exhausted in the negative pressure isolation ward. The air exhaust body of the invention is communicated with a building air exhaust pipeline in a negative pressure isolation ward, an external telescopic corrugated pipe air exhaust pipeline is connected with an air inlet of the box body, and the opening and closing of each pipeline are controlled by utilizing the air outlet valve and the air inlet valve, thereby realizing the purposes of guiding the air flow direction in the ward and increasing the air exchange speed by changing the position of the air exhaust port. The problem that the position of the ventilation vent cannot be scientifically and reasonably arranged by the conventional exhaust device in the market is solved.
Description
Technical Field
The invention relates to the technical field of air purification in a negative pressure isolation ward, in particular to an exhaust device for the negative pressure isolation ward.
Background
In the recent period, with the outbreak of the pneumonia epidemic situation, hospitals in various regions increase more construction requirements on negative pressure wards capable of controlling infectious diseases, and a plurality of wards are quickly constructed and put into use. Because of the problems of urgent use requirements, convenient and quick installation and the like, the laying positions of ventilation and ventilation pipelines of many negative pressure sickrooms in the construction process cannot completely serve for facilitating airflow diffusion and quick convection discharge, and how to install the whole pipeline system more quickly is more considered, so that the problems in the process of replacing the gas in a series of rooms are brought. If infectious disease pollution gas and the like in the ward cannot be reasonably and timely discharged, the patient is not well recovered, even medical care personnel obtain higher infection risk, and certain hidden danger exists.
In view of this, according to the needs arising in the construction of the existing wards, there is a need to develop a ventilation apparatus which can be used in wards having various structures, and which modifies the position of the tuyere after the preliminary and simple ventilation construction has been completed to make the gas flow reasonably perfect, and which does not impose too many requirements on the earlier construction.
Disclosure of Invention
The invention aims to provide an exhaust device for a negative pressure isolation ward, wherein an exhaust body is connected with an exhaust pipeline of a building and used as a scheme for a self-defined exhaust port in the ward, a plurality of exhaust pipeline ports are arranged on two sides of a box body to be connected with an external telescopic corrugated pipe exhaust pipeline, an air outlet valve and an air inlet valve are used for controlling the opening and closing of each pipeline, the telescopic corrugated pipe exhaust pipeline is arranged at each required position of the negative pressure ward and can be arranged at any position in the ward to achieve the effect of separately controlling each state of the exhaust port in the room, and the aims of guiding the gas flow direction in the ward and increasing the ventilation speed by changing the position of the exhaust port are further achieved.
In order to achieve the above object, the present invention provides an exhaust device for a negative pressure isolation ward, comprising:
the air exhaust body comprises a box body, an air outlet and a plurality of air inlets which are arranged in the box body, an air outlet valve arranged on the air outlet and air inlet valves arranged on the plurality of air inlets; the air outlet is communicated with an air exhaust pipeline in the negative pressure isolation ward;
and one end of each telescopic corrugated pipe is communicated with the air inlet, and the other end of each telescopic corrugated pipe is communicated with a position to be exhausted in the negative pressure isolation ward.
Furthermore, an air pressure tester is arranged on the box body.
Further, the exhaust body further comprises a filtering assembly, and the filtering assembly is arranged at the air outlet and/or the air inlet.
Further, the filtering component comprises a primary filter screen, an activated carbon filter screen, an ESP composite filter screen and an HEPA high-efficiency filter screen which are sequentially arranged from the position close to the air outlet and/or the position close to the air inlet to the interior of the box body.
Further, the exhaust body also comprises a disinfection component, and the air outlet and/or the air inlet, the filtering component and the disinfection component are communicated in sequence.
Further, the sterilization assembly includes at least one of a plasma sterilizer and an insert photo-hydrogen ion sterilizer.
Furthermore, a one-way fluid director is arranged at each air inlet valve and used for guiding the direction of air flow when the one-way fluid director is started.
Furthermore, the one-way flow guider comprises a one-way flow guide plate and a spring, and the one-way flow guide plate is connected to the air inlet through the spring.
One or more technical solutions in the embodiments of the present invention have at least the following technical effects or advantages:
the invention provides an exhaust device for a negative pressure isolation ward, which comprises: the air exhaust body comprises a box body, an air outlet and a plurality of air inlets which are arranged in the box body, an air outlet valve arranged on the air outlet and air inlet valves arranged on the plurality of air inlets; the air outlet is communicated with an air exhaust pipeline in the negative pressure isolation ward; and one end of each telescopic corrugated pipe is communicated with the air inlet, and the other end of each telescopic corrugated pipe is communicated with a position to be exhausted in the negative pressure isolation ward.
When the negative pressure isolation ward air exhaust device is used, the air exhaust body is communicated with a building air exhaust pipeline in a negative pressure isolation ward, the external telescopic corrugated pipe air exhaust pipeline is connected with the air inlet of the box body, the opening and closing of each pipeline are controlled by the air outlet valve and the air inlet valve, the telescopic corrugated pipe air exhaust pipeline is arranged at each required position of the negative pressure ward, the telescopic corrugated pipe air exhaust pipeline can be arranged at any position in the ward to achieve the effect of separately controlling the states of air exhaust ports at each position of the room, and the purposes of guiding the air flow direction in the ward and increasing the air exchange speed by changing the position of the air exhaust port are. The device solves the problem that the existing exhaust device in the market can not arrange the ventilation vent position scientifically and reasonably, and meets the requirement of rapidly constructing infectious disease negative pressure wards.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
FIG. 1 is a structural diagram of an air exhaust device for a negative pressure isolation ward according to an embodiment of the present invention;
FIG. 2 is a view showing the internal structure of an air exhaust device for a negative pressure isolation ward according to an embodiment of the present invention;
fig. 3 is a schematic view of a one-way flow guider in an exhaust device for a negative pressure isolation ward according to an embodiment of the present invention;
FIG. 4 is a schematic view of the arrangement of the air exhausting device for the negative pressure isolation ward in the room of the device when the air exhausting device is used;
1. an exhaust body; 101. a box body; 102. an air outlet; 103. an air inlet; 104. an air outlet valve; 105. an air inlet valve; 106. an air pressure measuring instrument; 107. a filter assembly; 108. a sterilizing assembly; 109. a unidirectional flow director; 1091. a one-way baffle; 1092. a spring;
2. a collapsible bellows;
3. an exhaust duct in the negative pressure isolation ward.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments and examples, and the advantages and various effects of the present invention will be more clearly apparent therefrom. It will be understood by those skilled in the art that these specific embodiments and examples are for the purpose of illustrating the invention and are not to be construed as limiting the invention.
Throughout the specification, unless otherwise specifically noted, terms used herein should be understood as having meanings as commonly used in the art. Accordingly, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. If there is a conflict, the present specification will control.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "first," "second," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship indicated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and is not to be construed as limiting the present application.
Further, in the description of the present application, the meaning of a plurality of "or" a number of "is two or more unless specifically limited otherwise.
An air exhaust device for a negative pressure isolation ward according to the present application will be described in detail with reference to the accompanying drawings.
The embodiment of the invention provides an exhaust device for a negative pressure isolation ward, which is shown in figures 1-4 and comprises:
the exhaust body 1 comprises a box body 101, an air outlet 102 and a plurality of air inlets 103 which are arranged in the box body 101, an air outlet valve 104 arranged on the air outlet 102 and an air inlet valve 105 arranged on the plurality of air inlets 103; the air outlet 102 is used for being communicated with an air exhaust pipeline 3 in the negative pressure isolation ward;
and one end of each telescopic corrugated pipe 2 is communicated with the air inlet 103, and the other end of each telescopic corrugated pipe 2 is communicated with a position to be exhausted in the negative pressure isolation ward.
When the negative pressure isolation ward exhaust device is used, the air outlet 102 of the exhaust body 1 is communicated with the building exhaust pipeline 3 in the negative pressure isolation ward, the external telescopic corrugated pipe exhaust pipeline is connected with the air inlet of the box body 101, the other end of the telescopic corrugated pipe exhaust pipeline can be arranged at any position of the ward such as the head bottom of a right bed according to actual judgment and requirements, the external telescopic corrugated pipe exhaust pipeline is installed and connected with the box body 100 when the negative pressure isolation ward exhaust device is used, and the external telescopic corrugated pipe is detached through the air inlet valve when the external telescopic corrugated pipe exhaust pipeline needs to be detached. The opening and closing of each pipeline are controlled by the air outlet valve and the air inlet valve, the telescopic corrugated pipe exhaust pipeline is arranged at the required position of each negative pressure ward, and can be arranged at any position in the ward to achieve the effect of separately controlling the states of the exhaust ports of each room, so that the aims of guiding the air flow direction in the ward and increasing the ventilation speed by changing the position of the exhaust air port are fulfilled. The device solves the problem that the existing exhaust device in the market can not arrange the ventilation vent position scientifically and reasonably, and meets the requirement of rapidly constructing infectious disease negative pressure wards.
When the invention is implemented specifically, under the action of a fan on an exhaust duct 3 in a negative pressure isolation ward, air is sucked into an exhaust body 1 through a telescopic corrugated pipe 2 for disinfection and purification, and then enters the exhaust duct 3 in the negative pressure isolation ward; the direction of the telescopic corrugated pipe 2 can be adjusted to discharge the air in different directions in the ward, so that the air in all directions in the ward can be conveniently discharged as far as possible.
Optionally, an air pressure meter 106 is disposed on the box 101. In a specific embodiment, the pressure gauge 106 is a barometer, and as shown in fig. 1, the barometer 106 can be observed to adjust the state of the valve according to the amount of air discharged at each desired position. When the negative pressure ward needs to take air regularly, the air outlet valve 104 connected with the box body and the exhaust pipeline is opened, air in the ward is sucked out from the telescopic corrugated pipe orifice by adjusting the air inlet valve 105 between the telescopic corrugated pipe 2 and the box body, and the air enters the box body for further filtering and sterilizing to remove harmful viruses and the like in the air. Through observing atmospheric pressure, the state that changes a plurality of air intake valves according to the demand can realize multiple different air exhaust forms under the condition that does not change the mounted position:
when the air outlet valve 104 and all the air inlet valves 105 are completely opened, the maximum air displacement is realized in the ward;
when the air outlet valve 104 is opened, part of the air inlet valves 105 are opened, and independent air exhaust of air outlets at partial positions inside the ward can be realized;
when the air outlet valve 104 and the air inlet valve 105 are closed, the device is in a non-working state.
As shown in fig. 2, a one-way flow guider 109 is arranged at each air inlet valve 105; as shown in fig. 3, the unidirectional flow deflector 109 includes a unidirectional flow deflector 1091 and a spring 1092; the one-way baffle 1091 is connected to the air inlet 103 via the spring 1092, and is used to guide the direction of the air flow when the one-way baffle is opened.
The air contacts the one-way guide plate 1091 after passing through the air inlet valve 105, the guide plate is controlled by the air pressure to be opened and closed in a self-adaptive adjustment manner, the air inlet is limited by the spring force of the spring 1092 in the initial state, and the air inlet is closed when the differential pressure is smaller than or equal to a certain value and the wind power is smaller than the spring pressure; when the air pressure is larger than a certain value, the air guide plate is opened and guides the air to flow upwards and directly flow to a filter screen of the filter assembly 107, so that the air flow is prevented from crossing or being disordered;
the gas is collected in the box body and then enters the exhaust pipeline 3 in the negative pressure isolation ward, the pollution germs in the gas are preliminarily sterilized and killed, and then the gas enters the main exhaust system through the exhaust port connected with the box body.
The air inlet is provided with a plurality of air inlets, the air inlet valves are provided with a plurality of air inlets, and the air inlet valves and the air inlets are arranged in a one-to-one correspondence mode. In a specific embodiment, the number of the air inlets is 4, the number of the air inlet valves is 4, and the air inlet valves and the air inlets are arranged in a one-to-one correspondence manner. In other embodiments, more air inlet valves can be added, and the states of the air inlet valves can be changed according to requirements, so that various air exhaust modes can be realized without changing the installation positions. The bellows that the air exit is connected also adopts different diameters, can deal with the demand under the different circumstances of airing exhaust.
In an embodiment of the invention, one end of the telescopic corrugated pipe is in threaded connection with the air inlet. The installation and the dismantlement are convenient.
In the embodiment, an exhaust fan is arranged on the inner wall of the exhaust pipeline in the negative pressure isolation ward; and a damping rubber pad is arranged at the joint of the exhaust fan and the inner wall of the exhaust pipeline.
As an optional implementation manner, the exhaust body 1 further includes a filter assembly 107, and the filter assembly 107 is disposed at the air outlet and/or the air inlet. Specifically, the filtering assembly 107 includes a primary filter screen, an activated carbon filter screen, an ESP composite filter screen, and an HEPA high efficiency filter screen, which are sequentially disposed from the air outlet and/or the plurality of air inlets to the inside of the box. When the device is operated, air in the negative pressure isolation ward enters the box body 101 through the telescopic corrugated pipe 2 under the action of the exhaust fan, and is filtered in the box body through the filtering component 107.
As an optional implementation manner, the exhaust body 1 further includes a disinfecting assembly 108, and the air outlet and/or the plurality of air inlets, the filtering assembly 107 and the disinfecting assembly 108 are sequentially communicated. Specifically, the sterilization assembly 108 includes at least one of a plasma sterilizer and an insert photo-hydrogen ion sterilizer. When the device is operated, the air in the ward is isolated by negative pressure, enters the box body 101 through the telescopic corrugated pipe 2 under the action of the exhaust fan, is filtered and disinfected by the disinfection component 108 sequentially through the filter component 107 in the box body, and is disinfected and purified in all aspects.
Finally, it should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (9)
1. The utility model provides an exhaust device for ward is kept apart to negative pressure which characterized in that includes:
the air exhaust body comprises a box body, an air outlet and a plurality of air inlets which are arranged in the box body, an air outlet valve arranged on the air outlet and air inlet valves arranged on the plurality of air inlets; the air outlet is communicated with an air exhaust pipeline in the negative pressure isolation ward;
and one end of each telescopic corrugated pipe is communicated with the air inlet, and the other end of each telescopic corrugated pipe is communicated with a position to be exhausted in the negative pressure isolation ward.
2. The exhaust device for the negative pressure isolation ward according to claim 1, wherein an air pressure tester is provided on the box body.
3. The exhaust device for the negative pressure isolation ward according to claim 1, wherein the exhaust body further comprises a filter assembly, and the filter assembly is disposed at the air outlet and/or the air inlet.
4. The exhaust device for the negative pressure isolation ward according to claim 3, wherein the filter assembly comprises a primary filter screen, an activated carbon filter screen, an ESP composite filter screen and an HEPA high efficiency filter screen which are sequentially arranged from the position close to the air outlet and/or the air inlet to the interior of the box body.
5. The exhaust device for the negative pressure isolation ward according to claim 3, wherein the exhaust body further comprises a disinfection component, and the air outlet and/or the air inlet, the filter component and the disinfection component are sequentially communicated.
6. The exhaust device for the negative pressure isolation ward according to claim 5, wherein the disinfection component comprises at least one of a plasma sterilizer and an inserted photo-hydrogen ion sterilizer.
7. The exhaust device for the negative pressure isolation ward according to claim 1, wherein one end of the retractable bellows is in threaded connection with the air inlet.
8. The exhaust device for negative pressure isolation ward of claim 1, wherein each of the air inlet valves is provided with a one-way flow guider for guiding the air flow when the one-way flow guider is opened.
9. The exhaust device for the negative pressure isolation ward according to claim 8, wherein the one-way flow deflector comprises a one-way flow deflector and a spring, and the one-way flow deflector is connected to the air inlet through the spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110637331.6A CN113390147A (en) | 2021-06-08 | 2021-06-08 | Negative pressure keeps apart ward and uses exhaust device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110637331.6A CN113390147A (en) | 2021-06-08 | 2021-06-08 | Negative pressure keeps apart ward and uses exhaust device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113390147A true CN113390147A (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110637331.6A Pending CN113390147A (en) | 2021-06-08 | 2021-06-08 | Negative pressure keeps apart ward and uses exhaust device |
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| CN (1) | CN113390147A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114353239A (en) * | 2022-01-11 | 2022-04-15 | 青岛大学附属医院 | Air quality measurement and control device in children's blood tumor nursing ward |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737522A (en) * | 2019-01-12 | 2019-05-10 | 江苏环亚医用科技集团股份有限公司 | A kind of mute type operating room anti-cross infection air circulation system |
| KR102220441B1 (en) * | 2021-01-25 | 2021-02-25 | 주식회사 트윈 | Negative pressure isolation sick room |
-
2021
- 2021-06-08 CN CN202110637331.6A patent/CN113390147A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109737522A (en) * | 2019-01-12 | 2019-05-10 | 江苏环亚医用科技集团股份有限公司 | A kind of mute type operating room anti-cross infection air circulation system |
| KR102220441B1 (en) * | 2021-01-25 | 2021-02-25 | 주식회사 트윈 | Negative pressure isolation sick room |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114353239A (en) * | 2022-01-11 | 2022-04-15 | 青岛大学附属医院 | Air quality measurement and control device in children's blood tumor nursing ward |
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Application publication date: 20210914 |