CN111457492A - Infectious disease protection type medical care cover and disinfection ventilation system - Google Patents

Infectious disease protection type medical care cover and disinfection ventilation system Download PDF

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Publication number
CN111457492A
CN111457492A CN202010142476.4A CN202010142476A CN111457492A CN 111457492 A CN111457492 A CN 111457492A CN 202010142476 A CN202010142476 A CN 202010142476A CN 111457492 A CN111457492 A CN 111457492A
Authority
CN
China
Prior art keywords
gas
ventilation
disinfection
hose
purification box
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010142476.4A
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Chinese (zh)
Inventor
杨尚鲲
杨明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Zhongjin Micro Electric Technology Co ltd
Original Assignee
Foshan Zhongjin Micro Electric Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foshan Zhongjin Micro Electric Technology Co ltd filed Critical Foshan Zhongjin Micro Electric Technology Co ltd
Priority to CN202010142476.4A priority Critical patent/CN111457492A/en
Publication of CN111457492A publication Critical patent/CN111457492A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-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
    • F24F3/12Air-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
    • F24F3/16Air-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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G7/00Beds specially adapted for nursing; Devices for lifting patients or disabled persons
    • A61G7/05Parts, details or accessories of beds
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02Ducting arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/04Ventilation with ducting systems also by double walls; with natural circulation
    • F24F7/06Ventilation with ducting systems also by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/065Ventilation with ducting systems also by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit fan combined with single duct; mounting arrangements of a fan in a duct
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, 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
    • F24F8/108Treatment, 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, 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
    • F24F8/15Treatment, 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/20Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
    • F24F8/24Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using sterilising media
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/20Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
    • F24F8/24Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using sterilising media
    • F24F8/26Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using sterilising media using ozone

Abstract

An infectious disease protective medical nursing cover and a disinfection ventilation system belong to the technical field of medical instruments, and comprise that toxic gas breathed out by a patient below a gas collecting port of a movable cover body is sucked by a fan arranged in a purification box, the gas enters an air inlet of the purification box through a one-way ventilation connecting hose, the one-way ventilation hose is a corrugated pipe which is provided with a one-way valve and can be bent and shaped, the gas in the purification box is disinfected by internal ultraviolet rays, the fan sends the gas in the box to a filter element positioned at the inner side of an air outlet of the purification box, the purification box is also provided with a disinfection liquid bottle, alcohol disinfection liquid in the bottle is continuously led into the filter element through a disinfection liquid pipe, and a plurality of layers of fine meshes of the filter element are fully filled with alcohol to disinfect; the position of the movable cover body is supported by the rotating shaft with the position following, the movable cover body can be adjusted according to the position of the head of a patient, and the gas collecting hole is hermetically connected with the gas inlet of the one-way ventilation hose, so that the infection risk of medical care and close contact personnel is reduced.

Description

Infectious disease protection type medical care cover and disinfection ventilation system
The technical field is as follows:
the invention belongs to the technical field of medical instruments, and relates to an infectious disease protection type medical care cover and a disinfection ventilation system.
Background art:
in the existing medical nursing apparatus, a general nursing bed is not provided with an infectious disease protective cover, when a large number of infectious people visit a hospital, the gas exhaled by the patient contains viruses, even if the infectious patients wear a mask, the viruses cannot be guaranteed not to be emitted into a ward, so that the infection causes infection to medical care personnel, particularly the viruses with high infectivity such as SARS (severe acute respiratory syndrome), 2019-COV (COV-COV) novel coronavirus and the like, the viruses spread in the ward along with air and even in a corridor and a hospital area of a medical institution, and cause greater infection risk to other people, particularly the infection risk to the medical care personnel. The bed of the special nursing ward is less, a large number of infectious people appear to be overwhelmed, the existing negative pressure ward protection requires a complex building structure and higher cost, the negative pressure ward protection is only used for heavy cases or critical cases, and patients of light cases and common cases in the general ward are basically not provided with infectious disease protection covers, so that the cross infection of the patients is easily caused. According to the number of infectious diseases infected by high infectious respiratory department, the construction of more than 10 thousands of negative pressure sickrooms is obviously unrealistic, so that the infectious disease protection type medical nursing cover and the disinfection ventilation system arranged on a common sickroom or a sickbed are urgent, and the infectious disease protection type medical nursing cover is required to be simplified in structure, simplified in production process, short in production period and low in cost, so that the requirements of a large number of infectious patients on treatment and nursing are quickly met, the protection and treatment capacity of a hospital is improved, and the infection rate of medical staff is greatly reduced.
The invention content is as follows:
in order to solve the problem of high indoor infection rate of high infectious respiratory diseases and overcome part of the problems mentioned above, in particular to reduce the infection of medical care personnel, the inventor designs the technical scheme.
According to the technical scheme of the invention, on one hand, the invention provides an infectious disease protection type medical nursing cover and a disinfection ventilation system, which are characterized by comprising a movable cover body, a one-way ventilation connecting hose, a clamping or fastening type mounting bracket and a purification box, wherein the one-way ventilation hose is a corrugated pipe which contains a one-way valve and can be bent and shaped, the purification box is provided with an air inlet and an air outlet, a fan and a filter element are arranged in the purification box, the filter element is arranged at the inner side of the air outlet of the purification box, the middle position of the movable cover body is provided with a gas collecting hole, the gas collecting hole is connected with the air inlet of the one-way ventilation hose, the outer wall of the one-way ventilation connecting hose is mechanically connected with the clamping or fastening type mounting bracket, and the clamping or fastening type mounting bracket is used for being fixed with a ward wall or, make portable cover body position by one-way ventilation coupling hose supports, one-way ventilation hose's gas outlet with the air inlet of purifying box is connected, install antiseptic solution bottle and antiseptic solution burette on the purifying box, antiseptic solution burette is connected the antiseptic solution bottle with the filter core, with the antiseptic solution liquid extremely the filter core, during the fan operation, the gas that portable cover body working space was collected passes through the gas collection hole with one-way ventilation coupling hose gets into the purifying box makes gas is disinfecting in the purifying box, is passing through the filter core disinfection purifies the discharge.
On the other hand, the infectious disease protection type medical care cover and the disinfection ventilation system are provided, which are characterized by comprising a movable cover body, a one-way ventilation connecting hose, a position-following rotating shaft, a buckling or fastening type mounting bracket and a purification box, wherein the one-way ventilation hose is a corrugated pipe which contains a one-way valve and can be bent and shaped, the purification box is provided with an air inlet and an air outlet, a fan and a filter element are arranged in the purification box, the filter element is arranged at the inner side of the air outlet of the purification box, the middle position of the movable cover body is provided with a gas collection hole, the gas collection hole is connected with the air inlet of the one-way ventilation hose, the outer wall of the one-way ventilation connecting hose is mechanically connected with the buckling or fastening type mounting bracket, and the buckling or fastening type mounting bracket is used for being fixed with a ward wall or a, the portable cover body passes through the pivot of position follow-up with buckle formula or fastening formula installing support connect, make portable cover body position by the pivot of position follow-up is supported, the gas outlet of one-way ventilation hose with the air inlet of purifying box is connected, install antiseptic solution bottle and antiseptic solution burette on the purifying box, the antiseptic solution burette is connected the antiseptic solution bottle with the filter core, with the antiseptic solution liquid extremely the filter core, when the fan operates, the gas that portable cover body working space was collected passes through the gas collection hole with one-way ventilation connecting hose gets into the purifying box makes gas is disinfected in the purifying box, is passing through the filter core disinfection purifies the discharge.
Further, an infectious disease protection type medical care cover and a disinfection ventilation system are provided, which are characterized in that the filter element is a replaceable filter element.
Further, the infectious disease protection type medical care cover and the disinfection ventilation system are characterized in that an ionization type ozone generator is installed in the purification box and used for enabling the ozone generator to generate a proper amount of O3 gas to oxidize and disinfect the gas in the purification box and then discharge the gas.
Further, the infectious disease protection type medical care cover and the disinfection ventilation system are characterized in that the purification box is provided with a high-temperature heater, and the high-temperature heater is used for heating and disinfecting the gas in the purification box and then discharging the gas.
Further, the infectious disease protection type medical care cover and the disinfection ventilation system are characterized in that an ultraviolet generator is mounted on the purification box and used for enabling ultraviolet rays generated by the ultraviolet generator to carry out ultraviolet disinfection on gas in the purification box and then discharge the gas.
Furthermore, an infectious disease protection type medical care cover and a disinfection ventilation system are provided, which are characterized in that a purifying box of the infectious disease protection type medical care cover and the disinfection ventilation system is provided with a plurality of movable cover bodies, a one-way ventilation connecting hose and a buckling or fastening mounting bracket.
The invention has the beneficial effects that: simple structure, low cost, fast mass production and timely application, can produce a large number of nursing cover ventilation systems in a short time, even if millions of nursing covers and disinfection ventilation systems are needed, the nursing covers and disinfection ventilation systems are not difficult for areas with developed manufacturing industry, and play an important role in protecting and treating capacity on ordinary wards or sickbeds and greatly reducing infection rate of medical care personnel And the re-work and re-production of enterprises and institutions can be realized as early as possible.
Description of the drawings:
FIG. 1 is a schematic view of an infectious disease protection type medical care cover and a disinfection ventilation system according to the present invention,
figure 2 is a schematic view of the air purification process with the check valve of the embodiment of figure 1 open,
figure 3 is a schematic view of the embodiment of figure 1 with the contaminant gas isolated after the one-way valve has been closed,
FIG. 4 is a schematic view of the infectious disease protection type medical care hood and disinfection ventilation system including the O3 generator according to the present invention,
FIG. 5 is a schematic view of the infectious disease protection type medical care cover and the disinfection and ventilation system provided by the present invention,
FIG. 6 is a schematic structural view of an infectious disease protection type medical care hood and a disinfection ventilation system provided by the present invention and including an ultraviolet ray generator,
FIG. 7 is a schematic view of a decontamination chamber having multiple air inlets of an infectious disease protection type medical care hood and a sterilization and ventilation system incorporating an ultraviolet generator according to the present invention.
The specific implementation mode is as follows:
example 1
The embodiment of the invention provides an infectious disease protection type medical care cover and a disinfection ventilation system, as shown in figures 1, 2 and 3.
Fig. 1 is a schematic diagram of the basic structure, which includes a movable housing 101, a one-way vent connection hose 102, a snap-on or fastening mounting bracket 103, and a purge bin 104, wherein the one-way vent hose is a position-adjustable follow-up hose containing a one-way valve 105, that is, the one-way vent connection hose 102 is a flexible bellows, and the one-way valve has a one-way airflow communication function, and allows the valve plate to open upward and close downward by means of the elastic force of a valve plate spring 106, and allows the flow to flow into the purge bin in one direction without allowing reverse flow.
The purifying box has air inlet 107 and gas vent 108, is equipped with fan 109 in the purifying box, and fan export section is equipped with filter core 120, and filter core 120 installs the inboard at the gas vent of purifying box for gaseous pollutants in the filter box, the aerosol and the particle among the adsorbed gaseous pollutants.
The middle position of the movable cover body is provided with a gas collecting hole, when in use, the movable cover body is aligned to the mouth and nose of a patient on a hospital bed, the position of the movable cover body can be adjusted according to requirements, the movable cover body can be conveniently nursed, convenient for treatment and detection, when not in use, the lifting position is convenient for vacating the space above the bed position, even if the patient wears a mask, the patient can exhale the gas with virus or even the gas with higher virus load, the gas collecting hole is hermetically connected with the gas inlet of the one-way ventilation hose, the outer wall of the one-way ventilation connecting hose is mechanically connected with a buckling or fastening type mounting bracket 121, the buckling or fastening type mounting bracket is used for being fixed with a ward wall 122 or a floor bracket or a ceiling bracket or the hospital bed, the one-way ventilation connecting hose connected with the movable cover body has the function of being bendable and capable of supporting, so that the position of the movable cover body is, hose length and crookedness all can be adjusted in a flexible way, and the gas outlet of one-way ventilation hose and the air inlet sealing connection of purifying box, during the use, open the fan switch and make the fan operation, and the gas that portable cover body working space collected passes through the gas collection hole and one-way ventilation coupling hose gets into the purifying box, and the fan filters the gas back in with the purifying box through filter core 120 and discharges purifying box export 108. The embodiment also arranges a disinfectant bottle 124, regular 75% alcohol or other disinfectants can be selected in the bottle, under the fixing and regulation of the bracket and the liquid drop adjusting device 121, the liquid drops are controlled to be drained to the filter element 120 through the disinfectant pipe 125 under the condition of proper speed, the filter element 120 can be formed by stacking a plurality of layers of fine non-woven fabrics, the multi-layer grid structure in the filter element belongs to the manufacturing of a wettable material, so that the filter element can timely attract supplied disinfectant liquid flow or liquid drops according to the liquid surface tension action of the grid fiber surface, and when gas in the box passes through the filter element, the disinfectants attached to the multi-layer grid structure in the filter element disinfect the gas and filter and discharge the gas out of the purifying box. The advantages brought by this are that the disinfectant is blown away by the blower and automatically supplied by the dropper, the grid structure is attached to and directly kills the flowing gas, the disinfectant blown away by the blower is beneficial to further continuing disinfection of the air, and the killing effect is enhanced. The purge bin also has an armrest 130 and casters, such as 132, to facilitate movement.
The fastening mounting bracket 103 is shown in fig. 1 as being fixedly attached to the ward wall 122 by screws 129, but it is also possible to design a snap-fit mechanism to be attached to the wall for easier removal and movement, or to attach the fastening mounting bracket 103 to the nursing bed enclosure, and the attachment means as a general mounting knowledge can be selected from a variety of options, which are not to be construed herein.
Figure 2 is a schematic view of the air purification process with the check valve of the embodiment of figure 1 open,
figure 3 is a schematic view of the embodiment of figure 1 with the contaminant gas isolated after the one-way valve has been closed,
example 2
In another aspect, the present invention provides an infectious disease protection type medical care cover and a disinfection and ventilation system, as shown in fig. 4, comprising a movable cover body 101, a one-way ventilation connecting hose 102, a position-following rotating shaft 123, a snap-in or fastening mounting bracket 103, and a purification box 104, wherein the one-way ventilation hose is an adjustable position-following hose containing a one-way valve 105, that is, the one-way ventilation connecting hose 102 is a flexible bellows, and the one-way valve has a one-way airflow circulation function, and allows the valve plate to open upwards and close downwards by virtue of the elasticity of a valve plate spring 106, and allows the flow to flow into the purification box in one direction without allowing reverse flow. The purifying box is provided with an air inlet 107 and an air outlet 108, a fan 109 and a filter element 120 are arranged in the purifying box, and the filter element 120 is arranged on the inner side of the air outlet of the purifying box and is used for filtering the polluted gas in the purifying box and adsorbing aerosol and particles in the polluted gas. The middle position of the movable cover body is provided with a gas collecting hole which is aligned above the mouth and nose of a patient in hospital on a hospital bed, the position of the movable cover body is adjustable, the movable cover body can be used for nursing the patient conveniently and is convenient for treatment and detection, when the movable cover body is not used, the lifting position is convenient for vacating the space above the bed, the gas collecting hole is hermetically connected with the air inlet of the one-way ventilation hose, the outer wall of the one-way ventilation connecting hose is connected with a buckle type or fastening type mounting bracket 103 through a connecting rod and a position-following rotating shaft 123, the buckle type or fastening type mounting bracket is used for being fixed with a ward wall 122 or a floor bracket or a ceiling bracket or the hospital bed, the rotating shaft 123 has certain tightness and can play a role in following and fixing, so that the position of the movable cover body is supported by the position-following rotating shaft 123 and can be properly adjusted to adapt to the mouth and, when the air purifier is used, a fan switch is turned on to enable the fan to operate, gas collected by the working space of the movable cover body enters the purifying box through the gas collecting hole and the one-way ventilation connecting hose, the polluted gas possibly contains high-concentration viruses and pathogenic bacteria and flows through the ionization type ozone generator, when the power plug 131 is connected with a power supply, the ozone generator generates a certain amount of O3 to sterilize, and the fan sucks the gas sterilized by O3 in the purifying box and then flows into the filter element.
In this embodiment, a disinfectant bottle 124 is further provided, wherein a conventional 75% alcohol or other disinfectant can be selected in the bottle, and under the fixing and regulation of the bracket and the droplet adjusting device 121, the droplets are controlled to be guided to the filter element 120 through the disinfectant pipe 125 at an appropriate speed, so that when the gas in the tank sterilized by O3 passes through the filter element, the disinfectant in the filter element secondarily disinfects the gas and filters the gas to be discharged from the purification tank. Of course, O3 can not be discharged into the indoor air in high concentration, the O3 output should be controlled in a reasonable range, a proper amount of O3 has a sterilization effect on the air, but the O3 which is excessively discharged into the room is harmful to human bodies, therefore, when the O3 generator purifies the air, the O3 gas output should be limited and controlled at any time or automatically controlled at regular time to start and stop, so that the sterilization effect is met but the excess is not generated, and the working duty ratio of the ozone generator which reflects the O3 output should be matched with the size of the room.
The movable cover body of the technical scheme of the invention can absorb most of the toxic-carrying exhalations discharged by the patient on the bed, and the embodiment effectively treats the toxic gases for 5 times, which respectively comprises the following steps:
① the one-way valve has isolation function to prevent reverse flow, thus playing an important role in protecting other people including the medical staff in close contact;
② blower fan leads the polluted gas to ozone generator, O3 disinfects it for the first time;
③ the filter element is applied with disinfectant, which is distributed on the fine and dense multi-layer grid in the filter element, the alcohol molecule array in the disinfectant disinfects the gas flowing through again;
④ the filter element has mechanical blocking and filtering functions, and the particles such as spray and aerosol in the gas are adsorbed to prevent discharge;
⑤ the alcohol disinfectant on the filter element is easy to volatilize, it can volatilize in the gas with high efficiency under the action of the air flow of the fan, it can disinfect the indoor air again, then the alcohol can be supplemented by the disinfectant bottle, when the concentration of the indoor disinfectant-alcohol is high, it can be adjusted or closed by the liquid drop adjusting device installed on the support 121, it stops the supplement of the disinfectant, it can play a role of convenient regulation and control for the air purification and disinfection, the fan accelerates the volatilization and dispersion of the alcohol disinfectant, the disinfectant bottle can supplement the alcohol on the volatilization place-the filter element through the disinfectant tube, it enhances the disinfection effect, in the technical scheme of the invention, according to the flow of the polluted gas, the links are sealed, it does not allow the inner gas to leak out in the middle of the flow, it only allows the inner gas to flow out from the outlet of the purification box after the purification box, it ensures the purification.
It will be readily appreciated that in both of the embodiments described above, the filter element in the outlet of the purification tank is relatively easy to design in a form that is easy to replace, and that medical personnel should replace it periodically or aperiodically while wearing the protective medical garment, and the replaced old filter element is disposed of in a legally harmless manner according to the contaminated medical waste.
Example 3
The invention also provides an infectious disease protection type medical care cover and a disinfection ventilation system, as shown in figure 5, a high-temperature heater 134 is arranged on the purification box, an electric heater can be selected, the heat generated by a heater core 135 in the heater 134 can heat the gas flowing through the high-temperature heater to a higher temperature, such as 70 ℃, so that the high-temperature heater can be used for discharging the gas in the purification box after heating and disinfecting, and the electric heater is also favorable for supplying indoor heat, improving the ventilation function of the lung, relieving pathological damage and improving the immunity because the respiratory system infectious disease is higher in winter and spring with lower temperature. For the heater, it is not generally recommended to use a gas heater, although the flame of the gas heater has a better effect of killing the air flowing through the gas heater, the gas has more harmful gas emissions, the combustion process will consume the indoor oxygen, and the rest parts except the electric heater core 135 in fig. 5 are basically the same as the embodiment 2, and will not be described again.
Example 4
The invention also provides an infectious disease protection type medical care cover and a disinfection ventilation system, as shown in fig. 6, an ultraviolet ray generator 136 is arranged on the purification box, and an ultraviolet light tube 137 emits ultraviolet rays to disinfect the gas in the purification box.
In the above embodiments, through the multi-aspect purification treatment of the polluted gas exhaled by the patient, for the medical care personnel who are in contact with the room or in close contact with the room, the virus load of the gas exhausted by the purification box is reduced and the virus activity is reduced compared with the virus directly exhaled by the patient without the purification box treatment.
According to the description, in the flow of air collection opening → one-way valve → connecting pipe → O3/electric heating/ultraviolet ray → disinfectant → filter element → discharge, the air is effectively purified and disinfected in the multi-directional purification treatment process.
Example 5
It is easy to understand that any of the infectious disease protection type medical care covers and the disinfection and ventilation structure described in the above embodiments can be flexibly arranged, for example, a hospital bed is separately provided with a set of such systems, which is convenient for moving and transferring nursing patients; the centralized arrangement mode of the purification boxes can also be adopted, one purification box is provided with two or more movable cover bodies, one-way ventilation connecting hoses and buckle type or fastening type mounting brackets, so that a centralized purification type infectious disease protection type medical care cover and a disinfection ventilation system are formed, if two sets of movable medical care covers suitable for two beds are matched with one purification box, or a plurality of sets of movable medical care covers suitable for a plurality of beds in the whole ward are matched with only one purification box, the cost can be saved, the space occupation can be reduced, the noise of a fan can be reduced, the maintenance and management can be convenient, the purification boxes can be arranged in the next door rooms specially controlled by medical care, the purification boxes can be prevented from being used by patients privately, and purified gas can be selected to be discharged outdoors or discharged to a special tail gas non-poisoning treatment sealed channel for hospitals. In the embodiment 5 shown in fig. 7, the purifying box has four air inlets 107, each of which is provided with a valve (such as the valve 140 in the attached drawing), when a certain air inlet needs to be connected with the nursing cover, the valve in the air inlet is opened after the air inlet is connected with the one-way ventilation connecting hose, of course, for today with advanced mechanical technology, various valve structure forms can be flexibly selected, such as a snap-in automatic air valve, a solenoid valve, etc., which belong to the prior art and are not shown in detail in the present specification and the attached drawings, which does not affect the overall display of the technical solution of the present application.

Claims (7)

1. An infectious disease protection type medical care cover and a disinfection and ventilation system are characterized by comprising a movable cover body, a one-way ventilation connecting hose, a buckle type or fastening type mounting bracket and a purification box, wherein the one-way ventilation hose is a corrugated pipe which is provided with a one-way valve and can be bent and shaped, the purification box is provided with an air inlet and an air outlet, a fan and a filter element are arranged in the purification box, the filter element is arranged at the inner side of the air outlet of the purification box, the middle position of the movable cover body is provided with a gas collecting hole, the gas collecting hole is connected with the air inlet of the one-way ventilation hose, the outer wall of the one-way ventilation connecting hose is mechanically connected with the buckle type or fastening type mounting bracket, the buckle type or fastening type mounting bracket is used for being fixed with a ward wall or a floor stand or a ceiling bracket or a sickbed, so, one-way ventilation hose's gas outlet with the air inlet of purifying box is connected, install antiseptic solution bottle and antiseptic solution burette on the purifying box, the antiseptic solution burette is connected the antiseptic solution bottle with the filter core, with the antiseptic solution liquid extremely the filter core, during the fan operation, the gas that portable cover body working space collected passes through the gas collection hole with one-way ventilation coupling hose gets into the purifying box makes gas is disinfected in the purifying box, is passing through the filter core disinfection purifies the discharge.
2. An infectious disease protection type medical care cover and a disinfection and ventilation system are characterized by comprising a movable cover body, a one-way ventilation connecting hose, a position follow-up rotating shaft, a buckle type or fastening type mounting bracket and a purification box, wherein the one-way ventilation hose is a corrugated pipe which is provided with a one-way valve and can be bent and shaped, the purification box is provided with an air inlet and an air outlet, a fan and a filter element are arranged in the purification box, the filter element is arranged at the inner side of the air outlet of the purification box, the middle position of the movable cover body is provided with a gas collecting hole, the gas collecting hole is connected with the air inlet of the one-way ventilation hose, the outer wall of the one-way ventilation connecting hose is mechanically connected with the buckle type or fastening type mounting bracket, the buckle type or fastening type mounting bracket is used for being fixed with a ward wall or a floor stand or ceiling bracket or a sickbed, and the movable cover body is connected with, the messenger the portable cover body position by the pivot of position follow-up supports, one-way ventilation hose's gas outlet with the air inlet of purifying box is connected, install disinfection liquid bottle and antiseptic solution burette on the purifying box, the antiseptic solution burette is connected the disinfection liquid bottle with the filter core, with the disinfection liquid extremely the filter core, during the fan operation, the gas that portable cover body working space collected passes through the gas collection hole with one-way ventilation coupling hose gets into the purifying box makes gas is disinfecting in the purifying box, passes through the filter core disinfection purifies the discharge.
3. An infectious disease protective medical care cover and disinfection and ventilation system as claimed in claim 1 or 2, wherein said filter element is a replaceable filter element.
4. An infectious disease protection type medical care cover and disinfection ventilation system as claimed in claim 1 or 2, wherein an ionization type ozone generator is installed in said purification box for generating a proper amount of O3 gas to oxidize and disinfect the gas in the purification box and then discharge the gas.
5. An infectious disease protection type medical care cover and disinfection ventilation system as claimed in claim 1 or 2, wherein said purification box is installed with a high temperature heater for discharging the gas in the purification box after the high temperature heater heats and disinfects the gas.
6. An infectious disease protection type medical care cover and disinfection ventilation system as claimed in claim 1 or 2, wherein said purification box is mounted with an ultraviolet generator for discharging the gas in the purification box after ultraviolet disinfection by the ultraviolet generated by said ultraviolet generator.
7. An infectious disease protection medical care hood and sterilization ventilation system as claimed in any one of claims 1 to 6, wherein a decontamination box of a set of infectious disease protection medical care hood and sterilization ventilation system is configured with a plurality of movable hood bodies, one-way ventilation connection hoses and snap-fit or fastening mounting brackets.
CN202010142476.4A 2020-03-04 2020-03-04 Infectious disease protection type medical care cover and disinfection ventilation system Pending CN111457492A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010142476.4A CN111457492A (en) 2020-03-04 2020-03-04 Infectious disease protection type medical care cover and disinfection ventilation system

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Application Number Priority Date Filing Date Title
CN202010142476.4A CN111457492A (en) 2020-03-04 2020-03-04 Infectious disease protection type medical care cover and disinfection ventilation system

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112762554A (en) * 2020-12-31 2021-05-07 陈瑜珍 Respiratory department ward breathing purification device
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112762554A (en) * 2020-12-31 2021-05-07 陈瑜珍 Respiratory department ward breathing purification device
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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