CN111594948B - Steady-state current-changing medical examination cabin - Google Patents
Steady-state current-changing medical examination cabin Download PDFInfo
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- CN111594948B CN111594948B CN202010480588.0A CN202010480588A CN111594948B CN 111594948 B CN111594948 B CN 111594948B CN 202010480588 A CN202010480588 A CN 202010480588A CN 111594948 B CN111594948 B CN 111594948B
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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
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G10/00—Treatment rooms or enclosures for medical purposes
- A61G10/005—Isolators, i.e. enclosures generally comprising flexible walls for maintaining a germ-free environment
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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
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
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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
- 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
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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
- F24F7/08—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 with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
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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
- 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
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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
- 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
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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
- 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
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/40—Pressure, e.g. wind pressure
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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
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
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- Fluid Mechanics (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
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Abstract
The invention discloses a steady-state replacement flow medical examination cabin, relates to the technical field of medical air cleaning, and particularly relates to a cross infection prevention medical examination cabin. It includes: the system comprises a diagnosis cabin, an air supply tail end, a fresh air supply unit, an exhaust unit, an air circulation unit and an intelligent control unit. The diagnosis cabin is provided with a medical staff passage and a patient passage, so that cross infection between doctors and patients is avoided. The steady-state displacement flow air supply end device is used as an air outlet of the diagnosis chamber, and pushes out air in a radial mode, so that no cross of air flow in the diagnosis chamber is realized. The fresh air supply unit is provided with a low-resistance bacteriostatic high-efficiency air filter, an electrostatic field disinfection device and an air supply fan, the fan is controlled by variable air volume, the exhaust unit is provided with the low-resistance bacteriostatic high-efficiency air filter, the electrostatic field disinfection device and the exhaust fan, cabin air is treated in a harmless way and then exhausted to the atmosphere, and the air secondary circulation unit is provided with a three-stage filtration system of air. The intelligent control unit can adjust the pressure difference between the inside and the outside of the cabin.
Description
Technical Field
The invention relates to the technical field of medical air cleaning, in particular to a medical examination cabin for preventing cross infection.
Background
The outpatient service of the health institution needs to receive a large number of patients every day, no isolation and protection measures exist between doctors and the patients during the traditional outpatient service, a large number of germs are often dispersed on the patients and in certain areas around the patients, and some patients also emit serious peculiar smell, so that harm or burden on the physical and mental aspects can be brought to the doctors receiving the service;
the clean system in former hospital ICU ward carries out wind system design from the protection patient more, lacks the protection to medical personnel, and medical personnel infect the risk greatly, and air conditioning air supply system polybase is in mixing ventilation, "diluting" principle and designs, and the air supply is serious with indoor contaminated air "mixing", easily leads to the pollutant at indoor diffusion.
Segregation is the most effective solution to prevent the spread of transmitted diseases; however, how to effectively isolate the first-line medical staff from the patient is the biggest problem of epidemic prevention work.
How to avoid cross infection between medical staff and a patient with fever and guarantee the life safety of the medical staff is a difficult problem which needs to be solved urgently by technical staff in the field.
Disclosure of Invention
The invention provides a steady-state displacement flow medical examination cabin which is used for solving the problem that medical staff and patients are cross-infected in the diagnosis and treatment process.
The invention adopts the following technical scheme:
a steady state replacement flow medical diagnostic chamber comprising: the system comprises a diagnosis cabin, an air supply tail end, a fresh air supply unit and an air exhaust unit;
the examination cabin is provided with a medical staff passage, a patient passage and a return air interlayer wall, the return air interlayer wall is arranged on a first side face of the examination cabin, the air supply tail end is arranged on the inner surface of a third side face of the examination cabin and is close to one side of a ceiling of the examination cabin, and the third side face is parallel to the first side face;
the medical staff channel is arranged on the second side surface of the examination cabin and close to one side of the air supply tail end, the patient channel is arranged on the second side surface of the examination cabin and close to one side of the air return interlayer wall, and the second side surface is perpendicular to the first side surface and the third side surface respectively;
the fresh air supply unit includes: the air supply fan comprises a first low-resistance bacteriostatic high-efficiency air filter, a first electrostatic field disinfection device and an air supply fan, wherein an air suction inlet of the air supply fan is communicated with the external atmosphere, and the air suction inlet of the air supply fan is provided with the first low-resistance bacteriostatic high-efficiency air filter and the first electrostatic field disinfection device; the air supply tail end is communicated with an air outlet of the air supply fan unit;
the air exhaust unit comprises a second low-resistance bacteriostatic high-efficiency air filter, a second electrostatic field disinfection device and an air exhaust fan, an air exhaust fan air suction inlet is communicated with the air return interlayer wall of the examination cabin, the air exhaust fan air suction inlet is provided with the second low-resistance bacteriostatic high-efficiency air filter, the second electrostatic field disinfection device is arranged inside the air return interlayer wall of the examination cabin, and an air outlet of the air exhaust fan is communicated with the outside atmosphere.
Furthermore, the air supply tail end comprises an air supply static pressure box and a flow equalizing pore plate, wherein the static pressure box is used for converting dynamic pressure of an air supply fan into static pressure, and clean air is uniformly pushed to the diagnosis cabin through the flow equalizing pore plate to form unidirectional pushing air flow.
Further, still include the air secondary cycle unit, the air secondary cycle unit includes: air circulation pipeline and circulating filter, air circulation pipeline first end with return air intermediate layer wall intercommunication, air circulation pipeline second end with air supply fan inlet scoop intercommunication, air circulation pipeline first end is equipped with circulating filter.
The intelligent control unit comprises a pressure difference control module, a first air pressure sensor and a second air pressure sensor, the first air pressure sensor is used for collecting external air pressure signals of the diagnosis cabin, the second air pressure sensor is used for collecting internal air pressure signals of the diagnosis cabin, the pressure difference control module is used for receiving the external air pressure signals collected by the first air pressure sensor and the internal air pressure signals collected by the second air pressure sensor, the pressure difference control module is used for controlling the pressure difference between the inside of the diagnosis cabin and the outside atmosphere according to preset conditions, and the first air pressure sensor and the second air pressure sensor are electrically connected with the pressure difference control module respectively.
Furthermore, the air supply fan is a variable air output fan, and the air supply fan is electrically connected with the pressure difference control module.
The invention has the following positive effects:
a steady state replacement flow medical diagnostic chamber comprising: examine cabin, air supply end, new trend supply unit, the unit of airing exhaust, air cycle unit and intelligent control unit, positive effect lies in:
firstly, the diagnosis cabin is provided with a special channel for medical staff and patients, the medical staff is in a clean air flow air supply side, and the patients are in an air exhaust side and an air return side, so that the safety of the medical staff is guaranteed.
And secondly, the cabin fresh air supply unit is provided with an independent air filtering and sterilizing device so as to ensure the clean air quality supplied to the cabin.
Thirdly, the cabin air exhaust system is provided with an independent air exhaust air filtering and disinfecting device, so that cabin air is protected to be exhausted after harmless treatment of the cabin air, and the safety of the external environment is guaranteed.
Fourthly, the air pressure control of the diagnosis cabin is controlled by adjusting the air volume of the air supply fan, and when the air volume of the air supply fan is smaller than that of the air volume of the air exhaust fan, the technical effect of negative pressure in the diagnosis cabin is achieved; when the air exhaust fan is closed, the technical effects of saving electricity and diagnosing the positive pressure in the cabin can be achieved.
The meaning of the medical examination cabin of steady state displacement flow lies in, the design concept of this examination cabin has overcome the not enough of traditional air clean room "random flow" the "dilution" design concept, its outstanding characteristics lie in: a flow field negative pressure gradient of a single room is established, so that medical staff are positioned at the upwind side of clean air, patients are positioned at the downwind side, and viruses carried by the patients are collected, killed and inactivated with smaller diffusion amount and shortest distance.
The capsule can be used in medical places (ICU ward, fever clinic) and can also be used for screening suspected patients.
Drawings
FIG. 1 is a schematic structural diagram of a steady-state replacement flow medical examination cabin system according to the present invention;
FIG. 2 is a schematic diagram of a steady state displacement flow medical examination room technique according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a radial flow air supply passage device according to an embodiment of the present invention.
In the figure: the device comprises a diagnosis cabin 1, a medical staff passage 2, a patient passage 3, a return air interlayer wall 4, an air supply tail end 5, a second electrostatic field disinfection device 6, a static pressure box 7, a flow equalizing pore plate 8, an exhaust unit 9 and a fresh air supply unit 10.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1-3, a steady state replacement flow medical diagnostic chamber 1 comprises: the air conditioner comprises a diagnosis cabin 1, an air supply tail end 5, a fresh air supply unit 10 and an air exhaust unit 9;
the examination cabin 1 is provided with a medical staff passage 2, a patient passage 3 and a return air interlayer wall 4, the return air interlayer wall 4 is arranged on a first side surface of the examination cabin 1, the air supply tail end 5 is arranged on the inner surface of a third side surface of the examination cabin 1 and is close to one side of the ceiling of the examination cabin 1, and the third side surface is arranged in parallel with the first side surface;
the medical staff channel 2 is arranged on the second side surface of the examination cabin 1 and close to one side of the air supply tail end 5, the patient channel 3 is arranged on the second side surface of the examination cabin 1 and close to one side of the air return interlayer wall 4, and the second side surface is perpendicular to the first side surface and the third side surface respectively;
the fresh air supply unit 10 includes: the air supply device comprises a first low-resistance bacteriostatic high-efficiency air filter, a first electrostatic field disinfection device and an air supply fan, wherein an air suction inlet of the air supply fan is communicated with the external atmosphere, and the air suction inlet of the air supply fan is provided with the first low-resistance bacteriostatic high-efficiency air filter and the first electrostatic field disinfection device; the air supply tail end 5 is communicated with an air outlet of the air supply fan unit;
the air exhaust unit 9 comprises a second low-resistance bacteriostatic high-efficiency air filter, a second electrostatic field disinfection device 6 and an air exhaust fan, an air exhaust fan air suction inlet is communicated with the air return interlayer wall 4 of the examination cabin 1, the air exhaust fan air suction inlet is provided with the second low-resistance bacteriostatic high-efficiency air filter, the second electrostatic field disinfection device 6 is arranged inside the air return interlayer wall 4 of the examination cabin 1, and an air outlet of the air exhaust fan is communicated with the outside atmosphere.
More specifically, the air supply terminal 5 is arranged inside the examination cabin 1 and on the side surface close to the ceiling, the fresh air supply unit 10 is used for filtering and sterilizing the outside air and then sending the filtered and sterilized air into the examination cabin 1 through the air supply terminal 5, and the exhaust unit 9 is used for filtering and sterilizing the air in the examination cabin 1 and then exhausting the air to the outside atmosphere; in using, the cabin 1 of diagnosing is usually with two hatch door dislocation set, two hatch doors promptly, one of them sets up in the one side that is more close to the first side, and another sets up in the one side that is more close to the third side, because of the terminal 5 settings in the third side of air supply, so be close to the hatch door of third side one side for medical personnel discrepancy hatch door, and the hatch door that is close to the first side for the patient discrepancy hatch door to guarantee that the air current that the air outlet came out flows to patient one side from medical personnel one side, avoided the cross infection between the doctor and the patient. Patient one side is close to return air intermediate layer wall 4, and the room 1 inside air that visits finally flows in and puts inside return air intermediate layer wall 4, and inside being equipped with second electrostatic field degassing unit 6 of return air intermediate layer wall 4, the dirty air that inhales return air intermediate layer wall 4 is disinfected by electrostatic field degassing unit, just then is discharged by the fan of airing exhaust.
The unit 9 of airing exhaust is equipped with the bacteriostatic high-efficient air cleaner of second low resistance, and return air intermediate layer wall 4 is equipped with second electrostatic field degassing unit 6, can thoroughly kill the room 1 air of examining of retrieving, discharges the atmosphere again, has ensured the cleanliness factor of the interior air of room 1 of examining, and the room 1 air of examining is discharged to the atmosphere again after innocent treatment, avoids causing external biological pollution.
Further, the air supply tail end 5 comprises an air supply static pressure box 7 and a flow equalizing pore plate 8, wherein the static pressure box 7 is used for converting dynamic pressure of an air supply fan into static pressure, and clean air is uniformly pushed to the diagnosis cabin 1 through the flow equalizing pore plate 8 to form unidirectional pushing air flow.
More specifically, the static pressure box 7 is provided with a plurality of holes, the dynamic pressure of the air supply pipeline is converted into static pressure through the static pressure box 7 and is radially pushed out by the flow equalizing type hole plate 8, so that the purposes that air flow in the diagnosis cabin 1 is not crossed and dirty air in the diagnosis cabin 1 is stably replaced without turbulence are realized; the surface of the air outlet of the static pressure box 7 is provided with holes, the cross section of the flow equalizing pore plate 8 is in a circular arc shape, the flow equalizing pore plate 8 is provided with holes, and the flow equalizing pore plate 8 and the surface of the air outlet of the static pressure box 7 form a sealed cavity.
Further, still include the air secondary cycle unit, the air secondary cycle unit includes: air circulation pipeline and circulating filter, air circulation pipeline first end and return air intermediate layer wall 4 intercommunication, air circulation pipeline second end and air supply fan inlet scoop intercommunication, the first end of air circulation pipeline is equipped with circulating filter.
More specifically, the air secondary circulation unit, when there is no person inside the cabin 1, closes the exhaust unit 9, starts the air circulation unit, and the air circulation unit makes the cabin 1 in an economic operation state, i.e. the air inside the cabin 1 runs in a self-circulation manner, thereby reducing the power consumption, the filter consumption and the disinfection device consumption, and simultaneously, the biological cleanness of the air inside the cabin 1 can be maintained.
Further, still include intelligent control unit, intelligent control unit includes differential pressure control module, first baroceptor and second baroceptor, first baroceptor is used for gathering and examines 1 outside atmospheric pressure signal in cabin, second baroceptor is used for gathering and examines 1 inside atmospheric pressure signal in cabin, differential pressure control module receives the outside atmospheric pressure signal that first baroceptor gathered and the 1 inside atmospheric pressure signal of examining cabin that second baroceptor gathered respectively, differential pressure control module is according to the atmospheric pressure difference of predetermined condition control 1 inside and outside of examining cabin, first baroceptor and second baroceptor are connected with differential pressure control module electricity respectively.
Furthermore, the air supply fan is a variable air output fan, and the air supply fan is electrically connected with the pressure difference control module.
The diagnosis cabin 1 is also provided with an intelligent control unit, the intelligent control unit obtains the pressure difference inside and outside the diagnosis cabin 1 through an air pressure sensor, and performs the pressure difference control of the diagnosis cabin 1 according to a preset condition, in the embodiment, a pressure difference control module is provided with a change-over switch, the change-over switch is electrically connected with the pressure difference control module, when medical staff need to enter the diagnosis cabin 1 for diagnosis, the change-over switch is pressed down, the pressure difference control module receives a message that a person enters the diagnosis cabin 1, the pressure difference control module starts negative pressure control, the air exhaust unit 9 is started, the air outlet air quantity of the air exhaust fan is larger than the air outlet air quantity of the air supply fan, the inside of the diagnosis cabin 1 is negative pressure, the air inside the diagnosis cabin 1 can not be discharged through a small gap, and the biological safety of the diagnosis cabin 1 to the outside is ensured. When all the personnel in the diagnosis cabin 1 leave the diagnosis cabin 1, the medical personnel press the change-over switch again, the pressure difference control module receives the information that all the personnel leave the diagnosis cabin 1, the pressure difference control module starts positive pressure control, the air exhaust unit 9 is closed, the air circulation unit is started, the outside air cannot enter the diagnosis cabin 1 through small gaps, and the cleanness of the air in the diagnosis cabin 1 is ensured.
The air pressure control of the diagnosis cabin 1 is controlled by adjusting the air quantity of the air supply fan, and when the air quantity of the air supply fan is smaller than that of the air quantity of the air exhaust fan, the technical effect of negative pressure in the diagnosis cabin 1 is achieved; when the air exhaust fan is closed, the technical effects of saving electricity and positive pressure in the diagnosis cabin 1 can be realized.
The steady-state current-changing medical diagnosis cabin 1 breaks through the design concept of 'turbulent flow' and 'dilution' of the traditional air clean room, overcomes the defect that the design concept of only protecting patients in the traditional medical air clean room, and has the prominent characteristics that: a flow field negative pressure gradient of a single room is established, so that medical staff are positioned at the upwind side of clean air, patients are positioned at the downwind side, and viruses carried by the patients are collected, killed and inactivated with smaller diffusion amount and shortest distance.
The cabin 1 can be used in medical places (ICU ward, fever clinic) and can also be used for screening suspected patients.
The embodiments described above are only preferred embodiments of the invention and are not exhaustive of the possible implementations of the invention. Any obvious modifications to the above would be obvious to those of ordinary skill in the art, but would not bring the invention so modified beyond the spirit and scope of the present invention.
Claims (4)
1. A steady state displacement flow medical diagnostic chamber, comprising: the air conditioner comprises a diagnosis cabin (1), an air supply tail end (5), a fresh air supply unit (10) and an air exhaust unit (9);
the examination cabin (1) is provided with a medical staff passage (2), a patient passage (3) and a return air interlayer wall (4), the return air interlayer wall (4) is arranged on a first side face of the examination cabin (1), the air supply tail end (5) is arranged on the inner surface of a third side face of the examination cabin (1) and is close to one side of the ceiling of the examination cabin (1), and the third side face is arranged in parallel with the first side face;
the medical staff channel (2) is arranged on the second side face of the examination cabin (1) and close to one side of the air supply tail end (5), the patient channel (3) is arranged on the second side face of the examination cabin (1) and close to one side of the air return interlayer wall (4), and the second side face is perpendicular to the first side face and the third side face respectively;
the fresh air supply unit (10) includes: the air supply fan comprises a first low-resistance bacteriostatic high-efficiency air filter, a first electrostatic field disinfection device and an air supply fan, wherein an air suction inlet of the air supply fan is communicated with the external atmosphere, and the air suction inlet of the air supply fan is provided with the first low-resistance bacteriostatic high-efficiency air filter and the first electrostatic field disinfection device; the air supply tail end (5) is communicated with an air outlet of the air supply fan unit;
the air exhaust unit (9) comprises a second low-resistance bacteriostatic high-efficiency air filter, a second electrostatic field disinfection device (6) and an air exhaust fan, an air exhaust fan air suction inlet is communicated with the air return interlayer wall (4) of the examination cabin (1), the air exhaust fan air suction inlet is provided with the second low-resistance bacteriostatic high-efficiency air filter, the second electrostatic field disinfection device (6) is arranged inside the air return interlayer wall (4) of the examination cabin (1), and an air outlet of the air exhaust fan is communicated with the external atmosphere;
the air supply tail end (5) comprises an air supply static pressure box (7) and a flow equalizing type pore plate (8), wherein the static pressure box (7) is used for converting dynamic pressure of an air supply fan into static pressure, and clean air is uniformly pushed to the diagnosis cabin (1) through the flow equalizing type pore plate (8) to form unidirectional pushing air flow.
2. The steady state deployment current medical diagnostic cabin of claim 1, further comprising a secondary air circulation unit, the secondary air circulation unit comprising: air circulation pipeline and circulating filter, air circulation pipeline first end with return air intermediate layer wall (4) intercommunication, air circulation pipeline second end with air supply fan inlet scoop intercommunication, air circulation pipeline first end is equipped with circulating filter.
3. The steady state replacement flow medical diagnostic chamber of claim 2, further comprising an intelligent control unit, the intelligent control unit comprises a pressure difference control module, a first air pressure sensor and a second air pressure sensor, the first air pressure sensor is used for acquiring an air pressure signal outside the diagnosis cabin (1), the second air pressure sensor is used for acquiring air pressure signals inside the diagnosis cabin (1), the pressure difference control module respectively receives an external air pressure signal acquired by the first air pressure sensor and an internal air pressure signal acquired by the second air pressure sensor in the diagnosis cabin (1), the pressure difference control module controls the pressure difference between the interior of the diagnosis cabin (1) and the outside atmosphere according to preset conditions, the first air pressure sensor and the second air pressure sensor are respectively electrically connected with the pressure difference control module.
4. The medical capsule of claim 3, wherein the air supply fan is a variable air volume fan, and the air supply fan is electrically connected to the differential pressure control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010480588.0A CN111594948B (en) | 2020-05-30 | 2020-05-30 | Steady-state current-changing medical examination cabin |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010480588.0A CN111594948B (en) | 2020-05-30 | 2020-05-30 | Steady-state current-changing medical examination cabin |
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| CN111594948A CN111594948A (en) | 2020-08-28 |
| CN111594948B true CN111594948B (en) | 2021-09-17 |
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|---|---|---|---|---|
| CN112303756A (en) * | 2020-09-28 | 2021-02-02 | 石家庄奥祥医药工程有限公司 | Steady-state displacement flow clean cabin |
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