CN114061001A - Ventilation system for medical building - Google Patents

Ventilation system for medical building Download PDF

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Publication number
CN114061001A
CN114061001A CN202111455562.1A CN202111455562A CN114061001A CN 114061001 A CN114061001 A CN 114061001A CN 202111455562 A CN202111455562 A CN 202111455562A CN 114061001 A CN114061001 A CN 114061001A
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China
Prior art keywords
air
pipeline
exhaust
module
air inlet
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Granted
Application number
CN202111455562.1A
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Chinese (zh)
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CN114061001B (en
Inventor
苏卫光
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Shanghai Sanitary Building Design And Research Institute Co ltd
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Shanghai Sanitary Building Design And Research Institute Co ltd
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Priority to CN202111455562.1A priority Critical patent/CN114061001B/en
Publication of CN114061001A publication Critical patent/CN114061001A/en
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Publication of CN114061001B publication Critical patent/CN114061001B/en
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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
    • 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
    • F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
    • 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
    • F24F11/89—Arrangement or mounting of control or safety devices
    • 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
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/15—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre with parallel simultaneously tiltable lamellae
    • 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
    • F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
    • F24F8/22—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
    • 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
    • F24F8/24—Treatment, 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • 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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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)
  • Ventilation (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

The application relates to a ventilation system for a medical building, which relates to the field of air purification of the medical building and comprises an air inlet module, an air exhaust module, a sterilization module, a monitoring module and a control module, wherein the air inlet module is used for introducing outdoor fresh air into the medical building; the air exhaust module is used for exhausting air in the medical building; the sterilization module is used for sterilizing the indoor air in cooperation with the fresh air introduced by the air inlet module and sterilizing the discharged air in the exhaust pipeline; the monitoring module comprises a face recognition camera and a human detection sensor which are connected with the control module, the face recognition camera is used for recognizing and recording the number of the people who come and go and the stop flow rate of the people in the shooting range of the monitoring module, and the human detection sensor is used for sensing whether the people exist at the air outlet of the air inlet module; the control module is used for integrated control; the ventilation system in this application can be when guaranteeing hospital's building crowd ventilation, disappears to the air of the intensive department of patient's round trip, reduces the germ activity in the exhaust air, maintains public health.

Description

Ventilation system for medical building
Technical Field
The application relates to the field of air purification of medical buildings, in particular to a ventilation system for the medical buildings.
Background
The medical building is generally a hospital building group, patients, susceptible people, accompanying family members and medical care personnel are collected in the same place, the outpatient service volume is large, the personnel mobility is strong, compared with the natural environment, the air in the hospital building group contains more pollutants such as germs, the air is relatively turbid, and the recovery of the patients and the body health of accompanying personnel are not facilitated; therefore, it is necessary to adopt a natural or mechanical method to make outdoor air enter the room to discharge indoor pollutants or residual heat and humidity according to the characteristics of hospital building groups and the requirements on indoor air quality, so as to create a healthy and comfortable hospital indoor environment.
At present, a ventilation system is generally adopted in a hospital building group to introduce fresh air into a room and discharge indoor pollutants, the ventilation system in the related technology mainly comprises an air supply system, an air exhaust system and a control system, the air supply system comprises an air handling unit and an air inlet pipeline connected with the air handling unit, the air exhaust system comprises a purifying device and an air exhaust pipeline connected with the purifying device, the control system comprises a pollutant monitoring sensor, a temperature monitoring sensor and a control unit connected with the pollutant monitoring sensor and the temperature monitoring sensor in real time, and the control unit is used for control and feedback; fresh air treated by the air treatment unit enters the hospital building group from the air outlet, and exhausted from the air exhaust port and the air exhaust pipeline.
Aiming at the related technologies, the purification equipment adopted in the ventilation system in the hospital building group at present mainly collects harmful substances in the discharged air, the sizes of the pollutants such as germs and the like contained in the hospital building group are small, the pollutants are difficult to be collected and purified by the purification equipment, and particularly, the concentration of the germs contained in the air of the intensive places where patients come and go in the hospital building group is high, the germs are discharged to the outdoor, the public environment is easily polluted, and the public health is influenced.
Disclosure of Invention
In order to reduce the concentration of pollutants such as germs in the exhaust air of hospital buildings, the application provides a ventilation system for medical buildings.
The ventilation system for the medical building adopts the following technical scheme:
a ventilation system for medical buildings comprises an air inlet module, an air exhaust module and a control module, wherein the air inlet module comprises an air inlet pipeline connected with an air handling unit, the air exhaust module comprises a purifying device and an air exhaust pipeline connected with the purifying device, the control module is used for carrying out system control on electrical elements in the ventilation system, the ventilation system also comprises a sterilization module and a monitoring module, the sterilization module comprises a disinfectant spraying device arranged at an air outlet of the air inlet pipeline and a sterilization device arranged in the air exhaust pipeline, and the disinfectant spraying device and the sterilization device are both connected with the control module; the monitoring module comprises a face recognition camera and a human feeling sensor which are connected with the control module, the face recognition camera is arranged in a hospital corridor and used for recognizing and recording the number of the people coming and going in the hospital corridor and counting the stop flow rate of the people in each position of the corridor and the corridor, and the human feeling sensor is arranged at an air outlet of the air inlet pipeline and used for sensing whether the people exist in the corridor or the corridor at the air outlet of the air inlet pipeline and transmitting a sensing signal to the control module; the control module is suitable for controlling the on-off of the disinfectant spraying device according to the sensing signal of the human detection sensor.
By adopting the technical scheme, the ventilation system can record and count the stop flow rate and the number of the coming and going persons in the medical building within the camera shooting range of the face recognition camera, controls the air inlet pipeline to introduce fresh air according to the real-time monitoring of the human body sensor on whether the person exists at the air outlet of the air inlet pipeline, controls the disinfectant spraying device to correspondingly spray disinfectant, and kills the places with dense stop flow rate of the person by the fresh air carrying the disinfectant spraying; and after the sterilization treatment, the foul air in the medical building is discharged out of the medical building after being sterilized by the sterilization device from the air exhaust channel, so that the activity of germs contained in the air is reduced from the source, and simultaneously, the air is sterilized when being discharged out of the medical building, thereby better reducing the concentration and activity of pollutants such as germs in the discharged air in medical building groups, and being beneficial to maintaining public health safety.
Optionally, antiseptic solution sprinkler includes water tank, outlet pipe, water pump, water control valve, atomizer and controller, outlet pipe intercommunication water tank and atomizer, the water pump is installed in the water tank, the water control valve is connected on the outlet pipe, the atomizer is located intake stack's air outlet department, the controller is used for controlling opening and close of water control valve, just controller and control module signal connection.
By adopting the technical scheme, the water pump, the controller and the water control valve are controlled, liquid in the water tank can be conveniently led into the water outlet pipe, more uniform spraying is sprayed at the air outlet of the air inlet pipeline, fresh air led in by the air inlet module is matched to spray the spraying, then the killing of an area with concentrated flow of people in the medical building is realized in the air exchange process of the medical building, and the killing effect on the places where patients are dense is better.
Optionally, the water tanks are provided with two groups, disinfectant and water are respectively contained in the two groups of water tanks, and the water control valve is suitable for controlling the disinfectant or the water to enter the water outlet pipe and be sprayed out from the atomizing nozzle.
By adopting the technical scheme, the water control valve can be controlled to conveniently enable the atomizing nozzle to spray diluted disinfectant or water, so that the area with concentrated flow of people in the medical building can be sterilized or humidified, and the indoor humidity can be maintained in a comfortable state while the cross infection is reduced.
Optionally, an air swing device is further arranged at the air outlet of the air inlet pipeline, the air swing device comprises a plurality of air swing plates, a sliding plate for mounting the plurality of air swing plates, and a driving piece for driving the sliding plate to move, and the plurality of air swing plates are parallel to each other and are arranged at the air outlet of the air inlet pipeline at equal intervals; the sliding plate comprises a fixed sliding rail, a movable sliding rail and a sliding strip, wherein the fixed sliding rail and the movable sliding rail are parallel to each other, the sliding strip is rotatably connected to the fixed sliding rail and the movable sliding rail, the fixed sliding rail is fixedly arranged on the inner wall of the air outlet of the air inlet pipeline, the movable sliding rail is slidably connected to the inner wall of the air outlet of the air inlet pipeline, and the sliding direction of the movable sliding rail is parallel to the length extending direction of the fixed sliding rail; the sliding strips are provided with a plurality of sliding strips, the number of the sliding strips is consistent with that of the air swinging plates, the air swinging plates are fixedly connected to the sliding strips, the sliding strips are distributed on the fixed sliding rail and the movable sliding rail at equal intervals, and the sliding strips are crossed with the fixed sliding rail and the movable sliding rail at the same time; the driving part is connected to the end part of one of the sliding strips and is suitable for driving the sliding strip connected with the driving part to slide in a reciprocating mode along the length direction of the fixed sliding rail.
Through adopting above-mentioned technical scheme, fixed slide rail, removal slide rail, sliding strip and driving piece cooperation, the drive pendulum aerofoil that can be comparatively convenient swings at the air outlet department of intake stack along the length direction of fixed slide rail, leading-in new trend to spray disinfectant or water spray, enlarge and kill or the humidification area, when reducing the active of the comparatively intensive regional germ of patient in the hospital building crowd, ensure the indoor comfort level of medical building.
Optionally, the driving member includes a driving motor, a sector gear, two linear racks and two sets of arc-shaped bars, the driving motor is fixedly installed at an air outlet of the air inlet pipeline and is in signal connection with the control module, the sector gear is connected to an output end of the driving motor, the two linear racks are parallel to each other and are respectively located at two sides of the sector gear, the two sets of arc-shaped bars are respectively connected to two ends of the linear racks, and the linear racks and the arc-shaped bars form an elliptical track; the sliding strips which are suitable for being connected with the driving piece are connected to a group of arc strips which are close to the air outlet of the air inlet pipeline; when the sector gear rotates for one circle, the sector gear is suitable for being sequentially meshed with the two linear racks and driving the linear racks to move along the length direction of the fixed sliding rail.
Through adopting above-mentioned technical scheme, control driving motor can drive sector gear and rotate, and then drives linear rack and carry out reciprocating sliding around sector gear, drives the sliding strip then and drives movable slide rail and pendulum aerofoil and swing on fixed slide rail, and comparatively convenient and steady realization is better to the wobbling control of pendulum aerofoil, and the disinfection spraying after the dilution spreads the effect.
Optionally, the exhaust module further comprises an exhaust fan, the exhaust fan is installed in the exhaust pipeline, and the exhaust fan is located at the front end of the sterilization device; the sterilizing device comprises a plurality of ultraviolet lamp sets which are arranged in the exhaust pipeline at intervals and are uniformly arranged, and the ultraviolet lamp sets are in signal connection with the control module.
Through adopting above-mentioned technical scheme, opening and close of control air exhauster and ultraviolet banks carries out ultraviolet sterilization in can be comparatively convenient with the leading-in exhaust duct of indoor comparatively dirty air, reduces the active germ concentration in the medical building exhaust air.
Optionally, the ultraviolet lamp set comprises a backflow pipeline communicated with the exhaust pipeline, an air inlet of the backflow pipeline is connected to the rear end of the ultraviolet lamp set in the exhaust pipeline, and an air outlet of the backflow pipeline is connected to the front end of the ultraviolet lamp set in the exhaust pipeline; a humidity sensor and a first reflux valve are arranged between the rear end of the ultraviolet lamp set and an air inlet of the reflux pipeline in the exhaust pipeline, and the first reflux valve is suitable for closing the exhaust pipeline at the rear end of the ultraviolet lamp set and opening the air inlet of the reflux pipeline; a second backflow valve is arranged in the exhaust pipeline between the front end of the ultraviolet lamp set and the air outlet of the backflow pipeline, and the second backflow valve is suitable for closing the exhaust pipeline at the front end of the ultraviolet lamp set and opening the air outlet of the backflow pipeline; humidity transducer, first return-flow valve and second return-flow valve all with control module signal connection, control module is suitable for and carries out the water conservancy diversion according to humidity transducer signal control first return-flow valve and second return-flow valve to the air in the exhaust pipe.
Through adopting above-mentioned technical scheme, backflow pipeline, humidity transducer, first return-flow valve and second return-flow valve's setting for the higher air of humidity can flow back to ultraviolet banks front end after ultraviolet sterilization, further carries out the ultraviolet lamp to exhaust air and shines to kill, makes exhaust system more thorough to the germ killing in the exhaust air.
Optionally, the first backflow valve comprises a first valve plate and a first rotating motor, and the second backflow valve comprises a second valve plate and a second rotating motor; the first valve plate and the second valve plate are both L-shaped plates, the first valve plate is rotatably connected to the connection position of the air inlet of the exhaust pipeline and the air inlet of the return pipeline, the second valve plate is rotatably connected to the connection position of the air outlet of the exhaust pipeline and the air outlet of the return pipeline, and the edges of the first valve plate and the second valve plate are suitable for being attached to the inner walls of the exhaust pipeline and the return pipeline; the first rotating motor is used for providing driving force for rotation of the first valve plate, the second rotating motor is used for providing driving force for rotation of the second valve plate, and the first rotating motor and the second rotating motor are in signal connection with the control module.
Through adopting above-mentioned technical scheme, control first rotation motor and the work of second rotation motor, the first valve plate of control and second valve plate that can be comparatively convenient are to the opening and closing of air intake and the air outlet of exhaust duct and backflow pipeline, realize the backward flow of exhaust air.
Optionally, sterilization apparatus is still including being used for carrying out the infrared ray banks of high temperature drying to the backflow air, infrared ray banks installs in the backflow pipeline, just infrared ray banks is located between first valve plate and the second valve plate, infrared ray banks also with control module signal connection.
Through adopting above-mentioned technical scheme, infrared ray banks can further carry out the infrared ray to exhaust air in the return line and disappear, and cooperation ultraviolet ray banks, exhaust system's the total sterilization effect of disappearing is better.
In summary, the present application includes at least one of the following beneficial technical effects:
through the matching of the air inlet module, the air exhaust module, the sterilizing module, the monitoring module and the control module, the air at the dense places where patients come and go in a hospital building group can be well sterilized, dirty air can be replaced and sterilized, and relatively clean fresh air is introduced, so that the concentration of pollutants such as germs in the air discharged from the hospital building group is reduced while the good ventilation environment of the patients in the hospital is effectively guaranteed, and the public health is maintained;
the air swing device is arranged at the air outlet of the air inlet pipeline, so that the air direction of fresh air entering the medical building can be controlled while the fresh air is introduced, the spraying area of the spray sprayed by the atomizing nozzle is enlarged, and the corridor or corridor at the air outlet of the air inlet pipeline is comprehensively sterilized or humidified, so that the indoor comfort level of the medical building is guaranteed while the germ activity of a region with dense patients in a hospital building group is reduced;
through each component cooperation in ultraviolet banks, backflow pipeline, infrared ray banks and the backflow pipeline, the germ to in the exhaust air that can be comparatively thorough disappears and kills, reduces the germ activity in the exhaust air, ensures public health safety.
Drawings
FIG. 1 is a schematic view of the overall construction of a ventilation system according to the present application;
FIG. 2 is a schematic diagram illustrating the connection between the monitoring module and other modules;
FIG. 3 is a schematic diagram illustrating the connection between modules in the present application;
FIG. 4 is a schematic view of a partial structure of the air inlet duct for showing the position relationship between the air swing device and the outlet duct and the atomizer;
FIG. 5 is a schematic view of the overall structure of the present invention;
fig. 6 is a schematic view of the overall structure of the ventilation module in the present application.
Description of reference numerals: 1. an air inlet module; 11. an air inlet pipeline; 12. a wind swinging device; 121. a wind swing plate; 122. a sliding plate member; 1221. fixing the slide rail; 1222. moving the slide rail; 1223. a slide bar; 123. a drive member; 1231. a drive motor; 1232. a sector gear; 1233. a linear rack; 1234. an arc-shaped strip; 2. an air exhaust module; 21. an exhaust duct; 211. an exhaust fan; 22. a return line; 23. a humidity sensor; 24. a first return valve; 241. a first valve plate; 242. a first rotating electric machine; 25. a second return valve; 251. a second valve plate; 252. a second rotating electric machine; 3. a killing module; 31. a disinfectant spraying device; 311. a water tank; 312. a water outlet pipe; 313. a water control valve; 314. an atomizing spray head; 315. a controller; 32. a sterilization device; 321. an ultraviolet lamp set; 322. an infrared lamp set; 4. a monitoring module; 41. a face recognition camera; 42. a human motion sensor.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses a ventilation system for a medical building, and relates to the field of air purification of the medical building.
Referring to fig. 1 and 2, a ventilation system for a medical building comprises an air inlet module 1, an air exhaust module 2, a sterilization module 3, a monitoring module 4 and a control module, wherein the air inlet module 1 comprises an air inlet pipeline 11 connected with an air handling unit and used for introducing outdoor fresh air into the medical building; the exhaust module 2 comprises purification equipment and an exhaust pipeline 21 connected with the purification equipment and is used for exhausting air in the medical building out of the medical building; the disinfection module 3 comprises a disinfectant spraying device 31 arranged at an air outlet of the air inlet pipeline 11 and a sterilization device 32 arranged in the air outlet pipeline 21, and is used for disinfecting the indoor space in cooperation with fresh air introduced by the air inlet module 1 and sterilizing air discharged from the medical building in the air outlet pipeline 21; referring to fig. 2, the monitoring module 4 includes a face recognition camera 41 and a human detection sensor 42 connected to the control module, the face recognition camera 41 is disposed in the hospital corridor and used for recognizing and recording the number of the people coming and going in the hospital corridor and counting the stop flow rate of the people in each position of the corridor and the corridor, the human detection sensor 42 is disposed at the air outlet of the air inlet duct 11 and used for sensing whether people exist in the corridor or the corridor at the air outlet of the air inlet duct 11 and transmitting the sensing signal to the control module; the control module is also electrically connected with the disinfectant spraying device 31 and the sterilizing device 32 in the sterilizing module 3 and other electrical elements in the ventilation system, and is used for carrying out system control on all the electrical elements in the ventilation system.
In the present application, referring to fig. 1 and 3, the disinfectant spraying device 31 includes a water tank 311, a water outlet pipe 312, a water pump, a water control valve 313, an atomizing nozzle 314, and a controller 315.
The water tank 311 is provided with two sets ofly, has held the antiseptic solution and the water after diluting in two sets of water tanks 311 respectively, and the water pump is installed in water tank 311, and the antiseptic solution that adopts in this application is the 84 antiseptic solution, and the dilution ratio of 84 antiseptic solution and water is 1: 99, the diluted 84 disinfectant and water are stored in two groups of adjacently arranged water tanks 311.
The water inlet end of the water outlet pipe 312 is connected with the water tank 311, the water outlet end of the water outlet pipe 312 is arranged at the air outlet of the air inlet pipeline 11 at a place where people flow more densely in the medical building, the water outlet ends of the water outlet pipe 312 are provided in plurality, the water outlet ends of the water outlet pipes 312 are all connected with the atomizing spray heads 314, the water outlet pipe 312 is communicated with the water tank 311 and the atomizing spray heads 314, and the spray sprayed from the atomizing spray heads 314 can be sprayed into the medical building from the air outlet of the air inlet pipeline 11.
The water control valve 313 is connected to the water outlet pipe 312 and is suitable for controlling diluted disinfectant or water to enter the water outlet pipe 312, so that the diluted disinfectant or water is sprayed out from the atomizing spray head 314 and guided into the fresh air of the medical building along with the air inlet system to sterilize or humidify the interior of the medical building; the controller 315 is installed at the water control valve 313, electrically connected with the water control valve 313 and the control module, and configured to control the opening and closing of the water control valve 313 according to a command of the control module, so as to control whether the disinfection solution or the water is discharged from the water tank 311.
Referring to fig. 2 and 3, after the stop flow of the staff at each position of the corridor and corridor in the medical building is identified, recorded and counted by the face identification camera 41, the staff can improve the frequency of spraying, eliminating and killing the disinfectant in the area with dense stop flow of the staff by inquiring the stop flow of the staff in the medical building; and the killing time is generally arranged at 12 noon: after 14:00 pm and 18:00 pm, when the human detection sensor 42 senses that no person moves in the corridor or the corridor at the air outlet of the air inlet pipeline 11 during the time period, the human detection sensor 42 transmits a person sensing signal to the control module, and the control module controls the starting of the disinfectant spraying device 31.
Further, referring to fig. 4 and 5, an air outlet of the air inlet duct 11 is further provided with an air swing device 12 for swinging fresh air introduced into the medical building, an air outlet of the air inlet duct 11 is square, and an outlet end of the water outlet pipe 312 and the atomizing nozzle 314 are installed at a front end of the air swing device 12, so that when the air swing device 12 operates, the mist sprayed from the atomizing nozzle 314 can be discharged and sprayed.
In the present application, referring to fig. 4 and 5, the air swinging device 12 includes a plurality of rectangular air swinging plates 121 installed at the air outlet of the air inlet duct 11, a sliding plate 122 for installing the plurality of air swinging plates 121, and a driving member 123 for driving the sliding plate 122 to move.
The plurality of air swinging plates 121 are arranged in parallel and at equal intervals in the air outlet of the air inlet pipeline 11, and two ends of the air swinging plates 121 along the length direction are respectively and vertically arranged on the inner wall of the air inlet pipeline 11; the sliding plate 122 includes fixed slide rail 1221 and the sliding rail 1222 that parallels and rotates the sliding strip 1223 of connecting on fixed slide rail 1221 and the sliding rail 1222, fixed slide rail 1221, sliding rail 1222 and sliding strip 1223 are rectangular form, and the length of fixed slide rail 1221 and sliding rail 1222, the specification is all unanimous, fixed slide rail 1221 fixed mounting is on the inner wall of air inlet duct 11 air outlet department, sliding rail 1222 sliding connection is on the inner wall of air inlet duct 11 air outlet department, sliding strip 1223 is simultaneously crossed with fixed slide rail 1221 and sliding rail 1222, and sliding strip 1223 is located one side that fixed slide rail 1221 and sliding rail 1222 kept away from air inlet duct 11 inner wall.
Referring to fig. 5, when the movable slide rail 1222 slides along the length direction of the fixed slide rail 1221, the movable slide rail 1222 can drive the slide bar 1223 to swing along the length direction of the fixed slide rail 1221, and accordingly, when the slide bar 1223 swings along the length direction of the fixed slide rail 1221, the movable slide rail 1222 can also slide along the length direction of the fixed slide rail 1221; the driving member 123 is connected to an end of one of the sliding bars 1223 at the end of the fixed sliding rail 1221, and the driving member 123 is adapted to drive the sliding bar 1223 connected to the driving member 123 to slide back and forth along the length direction of the fixed sliding rail 1221.
Furthermore, a plurality of sliding bars 1223 are arranged, the number of the sliding bars 1223 on each fixed sliding rail 1221 is the same as the number of the swinging air plates 121, and the swinging air plates 121 are fixedly connected to the sliding bars 1223 in a one-to-one correspondence manner; when the driving member 123 drives the sliding bar 1223 to slide back and forth along the length direction of the fixed slide rail 1221, the sliding bar 1223 can drive the air swing plate 121 to swing the fresh air fed into the medical building through the air inlet duct 11, the spray sprayed by the atomizing nozzle 314 can swing and fly to the hospital building along with the air swing device 12, the spraying area is enlarged, and the sterilizing or humidifying effect is better.
To facilitate control of the swing of the louvers 121, referring to fig. 4 and 5, the driving member 123 includes a driving motor 1231, a sector gear 1232, two linear racks 1233, and two sets of arc-shaped bars 1234.
The driving motor 1231 is fixedly installed on the outer wall of the pipeline at the air outlet of the air inlet pipeline 11 and is in signal connection with the control module, the sector gear 1232 is connected to the output end of the driving motor 1231, and the sector gear 1232 rotates along with the operation of the driving motor 1231; the two linear racks 1233 are parallel to each other and are oppositely arranged on two sides of the sector gear 1232, the two linear racks 1233, the fixed slide rail 1221 and the movable slide rail 1222 are both located in the same plane, and the length direction of the linear racks 1233 is parallel to the length directions of the fixed slide rail 1221 and the movable slide rail 1222; the two groups of arc-shaped strips 1234 are semicircular, two ends of each group of arc-shaped strips 1234 are fixedly connected with the two linear racks 1233 respectively, the two groups of arc-shaped strips 1234 are connected to two ends of the two linear racks 1233 respectively, and the two groups of arc-shaped strips 1234 and the two linear racks 1233 form an elliptical track for the movement of the sector gear 1232 together; the sliding strip 1223 suitable for being connected with the driving piece 123 is connected in the middle of a group of arc strips 1234 near the air outlet of the air inlet pipeline 11, and the joint of the sliding strip 1223 and the arc strips 1234 is made of hard rubber with certain deformation capacity, so that when the arc strips 1234 move around the oval track, the sliding strip 1223 can be pulled by the hard rubber to swing along the length direction of the fixed sliding rail 1221.
Referring to fig. 5, the sector gear 1232 is adapted to sequentially engage with the two linear racks 1233, when the sector gear 1232 rotates for one circle, the sector gear 1232 sequentially engages with the two linear racks 1233 to drive the linear racks 1233 to move along the length direction of the fixed slide rail 1221, so as to drive the arc-shaped strip 1234 to reciprocate around the elliptical orbit, and the swing plate 121 swings at the air outlet of the air inlet duct 11 to cooperate with the atomizing nozzle 314 to enlarge the spraying area.
The exhaust duct 21 in the exhaust module 2 is correspondingly provided with a plurality of air inlets of the exhaust duct 21, the plurality of air inlets of the exhaust duct 21 are respectively positioned in each room, corridor and corridor in the medical building, when the atomizing nozzle 314 sprays and sprays diluted 84 disinfectant, the air at the air inlet duct 11 in which the atomizing nozzle 314 is arranged in the medical building needs to be concentrated and exhausted within 2-4 hours after spraying, and in order to exhaust the air after disinfection and sterilization in a timely manner, the exhaust module 2 further comprises an exhaust fan 211, and the exhaust fan 211 is arranged in the exhaust duct 21 and positioned at the front end of the sterilization device 32.
Referring to fig. 3 and 6, the sterilization device 32 includes a plurality of ultraviolet lamp sets 321 that are arranged in the exhaust duct 21 at intervals and uniformly, the ultraviolet lamp sets 321 are used for sterilizing air exhausted from the medical building, and the ultraviolet lamp sets 321 are in signal connection with the control module.
Under the cooperation of the disinfectant spraying device 31 and the sterilizing device 32, germs in the air of the dense places where patients come and go in hospital buildings can be sterilized by the disinfectant, irradiated by the ultraviolet lamp set 321 for sterilization, and then discharged outdoors.
In order to achieve more thorough sterilization of the exhaust air, referring to fig. 6, a humidity sensor 23 and a backflow channel are further disposed in the exhaust duct 21 at the rear end of the ultraviolet lamp set 321, and the humidity sensor 23 is mounted on the inner wall of the exhaust duct 21 and is used for monitoring the humidity of the air sterilized by the ultraviolet lamp set 321; the air inlet of the backflow pipeline 22 is connected to the rear end of the humidity sensor 23, the air outlet of the backflow pipeline 22 is connected to the front end of the ultraviolet lamp set 321 in the exhaust pipeline 21, a first backflow valve 24 is arranged at the air inlet of the backflow pipeline 22, a second backflow valve 25 is arranged at the air outlet of the backflow pipeline 22, the ultraviolet lamp set 321 and the humidity sensor 23 are located between the first backflow valve 24 and the second backflow valve 25, and the first backflow valve 24 and the second backflow valve 25 are used for controlling opening and closing of the exhaust pipeline 21 and the backflow pipeline 22.
Humidity transducer 23, first return-flow valve 24 and second return-flow valve 25 all with control module signal connection, control module is suitable for according to humidity transducer 23 signal control first return-flow valve 24 and second return-flow valve 25 carry out the water conservancy diversion to the air in the exhaust duct 21, discharges comparatively dry air from exhaust duct 21, lets in the air that the humidity is higher back flow pipe 22 backward flow and then discharges into exhaust duct 21 and carry out the sterilization drying process, comparatively thorough carries out the sterilization to the exhaust air.
In the present application, referring to fig. 6, the first return valve 24 includes a first valve plate 241 and a first rotating motor 242, and the second return valve 25 includes a second valve plate 251 and a second rotating motor 252; the first valve plate 241 and the second valve plate 251 are both L-shaped plates, and the edges of the first valve plate 241 and the second valve plate 251 are both suitable for being attached to the inner walls of the exhaust duct 21 and the return duct 22 to open or close the exhaust duct 21 and the return duct 22.
Referring to fig. 6, the first valve plate 241 is rotatably connected to a connection position of the exhaust duct 21 and the air inlet of the return duct 22, and is adapted to close the exhaust duct 21 at the rear end of the ultraviolet lamp set 321 and open the air inlet of the return duct 22, or open the exhaust duct 21 at the rear end of the ultraviolet lamp set 321 and close the air inlet of the return duct 22; the second valve 251 is rotatably connected to the connection between the exhaust duct 21 and the air outlet of the return duct 22, and is adapted to close the exhaust duct 21 at the front end of the ultraviolet lamp set 321 and open the air outlet of the return duct 22, or open the exhaust duct 21 at the front end of the ultraviolet lamp set and close the air outlet of the return duct 22.
The first rotating motor 242 is used for providing a driving force for the rotation of the first valve plate 241, the second rotating motor 252 is used for providing a driving force for the rotation of the second valve plate 251, and the first rotating motor 242 and the second rotating motor 252 are both in signal connection with the control module, and the control module is adapted to control the operation of the first rotating motor 242 and the second rotating motor 252 according to the sensing signal of the humidity sensor 23, so as to control the opening and closing of the exhaust duct 21 and the return duct 22 by the first valve plate 241 and the second valve plate 251.
Further, referring to fig. 6, the sterilization apparatus 2 further includes an infrared lamp set 322 disposed in the return duct 22 for drying the return air at a high temperature, the infrared lamp set 322 is located between the first valve plate 241 and the second valve plate 251, the air with a high humidity sterilized by the ultraviolet lamp can enter the return duct 22 from the first valve plate 241, and the infrared lamp set 322 is further subjected to high temperature irradiation to deactivate part of germs in the air; and infrared lamp group 322 also with control module signal connection, control module can control first rotation motor 242 in proper order according to humidity transducer 23 sensing signal, the start-up of infrared lamp group 322 and second rotation motor 252 for the higher air of humidity carries out infrared lamp drying and sterilizing once more through return line 22, and get into exhaust duct 21 once more after infrared lamp group 322 sterilizes, sterilize once more through ultraviolet lamp group 321, treat when air is comparatively dry in exhaust duct 21, discharge medical building from exhaust duct 21, make and carry less active germ in the air that arrives outdoors.
The implementation principle of the ventilation system for the medical building is as follows: after the fresh air enters the medical building, the control module controls the controller 315 and the water control valve 313 in the disinfectant spraying device 31 to extract the liquid in the water tank 311 containing the diluted disinfectant according to the induction information of the face recognition camera 41 and the human feeling sensor 42, the diluted disinfectant is sprayed out, the driving motor 1231 in the white air device is controlled to drive the air swinging plate 121 to move, the fresh air and the disinfectant are conveyed in a swinging mode to be sprayed, and air exchange, sterilization and killing are carried out on an area with concentrated human flow in the medical building; after air exchange and sterilization, the exhaust fan 211, the ultraviolet lamp group 321, the humidity sensor 23, the infrared lamp group 322, the first return valve 24 and the second return valve 25 in the exhaust module 2 are controlled to operate, dirty air in the medical building is discharged, ultraviolet sterilization and infrared sterilization are carried out on the dirty air, the air discharged from the medical building is further sterilized by matching with disinfectant spraying, the activity of germs in the discharged air is effectively reduced, and more active germs are prevented from being contained in the discharged air in the medical building; ventilation system in this application, the air to patient's intensive department of coming and going in hospital's building crowd that can be better disappears and kills the processing and change the sterilization to the foul air, and leading-in comparatively clean new trend has effectively ensured patient's in the hospital ventilation environment, has reduced the concentration of pollutants such as germ in the exhaust air among the hospital's building crowd, better maintenance public health.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a ventilation system for medical building, includes air inlet module (1), air exhaust module (2) and control module, air inlet module (1) includes air handling unit and intake stack (11) that are connected with air handling unit, air exhaust module (2) include clarification plant and exhaust duct (21) that are connected with clarification plant, control module is used for carrying out system control, its characterized in that to the electrical components in the ventilation system: the sterilization device comprises an air inlet pipeline (11), a sterilization module (3) and a monitoring module (4), wherein the sterilization module (3) comprises a disinfectant spraying device (31) arranged at an air outlet of the air inlet pipeline (11) and a sterilization device (32) arranged in the air outlet pipeline (21), and the disinfectant spraying device (31) and the sterilization device (32) are both connected with a control module; the monitoring module (4) comprises a face recognition camera (41) and a human detection sensor (42) which are connected with the control module, the face recognition camera (41) is arranged in a hospital corridor and used for recognizing and recording the number of coming and going people in the hospital corridor and counting the stop flow rate of the people in each position of the corridor, and the human detection sensor (42) is arranged at an air outlet of the air inlet pipeline (11) and used for sensing whether people exist in the corridor or the corridor at the air outlet of the air inlet pipeline (11) and transmitting a sensing signal to the control module; the control module is suitable for controlling the opening and closing of the disinfectant spraying device (31) according to the sensing signal of the human detection sensor (42).
2. A ventilation system for a medical building according to claim 1, wherein: antiseptic solution sprinkler (31) include water tank (311), outlet pipe (312), water pump, water control valve (313), atomizer (314) and controller (315), outlet pipe (312) intercommunication water tank (311) and atomizer (314), the water pump is installed in water tank (311), water control valve (313) are connected on outlet pipe (312), atomizer (314) are located the air outlet department of intake stack (11), controller (315) are used for controlling opening and close of water control valve (313), just controller (315) and control module signal connection.
3. A ventilation system for a medical building according to claim 2, wherein: the water tanks (311) are provided with two groups, disinfectant and water are respectively contained in the two groups of water tanks (311), and the water control valve (313) is suitable for controlling the disinfectant or the water to enter the water outlet pipe (312) and be sprayed out from the atomizing nozzle (314).
4. A ventilation system for medical buildings according to any of claims 1 to 3, characterized in that: an air swinging device (12) is further arranged at the air outlet of the air inlet pipeline (11), the air swinging device (12) comprises a plurality of air swinging plates (121), sliding plates (122) for mounting the air swinging plates (121) and a driving piece (123) for driving the sliding plates (122) to move, and the air swinging plates (121) are parallel to each other and are distributed at the air outlet of the air inlet pipeline (11) at equal intervals; the sliding plate (122) comprises a fixed sliding rail (1221) and a movable sliding rail (1222) which are parallel to each other and a sliding strip (1223) which is rotatably connected to the fixed sliding rail (1221) and the movable sliding rail (1222), the fixed sliding rail (1221) is fixedly installed on the inner wall of the air outlet of the air inlet pipeline (11), the movable sliding rail (1222) is slidably connected to the inner wall of the air outlet of the air inlet pipeline (11), and the sliding direction of the movable sliding rail (1222) is parallel to the length extending direction of the fixed sliding rail (1221); the number of the sliding strips (1223) is multiple, the number of the sliding strips (1223) is consistent with that of the air swinging plates (121), the air swinging plates (121) are fixedly connected to the sliding strips (1223), the sliding strips (1223) are arranged on the fixed sliding rail (1221) and the movable sliding rail (1222) at equal intervals, and the sliding strips (1223) are crossed with the fixed sliding rail (1221) and the movable sliding rail (1222); the driving part (123) is connected to the end of one of the sliding strips (1223), and the driving part (123) is suitable for driving the sliding strip (1223) connected with the driving part (123) to slide back and forth along the length direction of the fixed sliding rail (1221).
5. A ventilation system for medical buildings according to claim 4, wherein: the driving part (123) comprises a driving motor (1231), a sector gear (1232), two linear racks (1233) and two groups of arc-shaped strips (1234), the driving motor (1231) is fixedly installed at an air outlet of the air inlet pipeline (11) and is in signal connection with the control module, the sector gear (1232) is connected to the output end of the driving motor (1231), the two linear racks (1233) are parallel to each other and are respectively located on two sides of the sector gear (1232), the two groups of arc-shaped strips (1234) are respectively connected to two ends of the linear racks (1233), and the linear racks (1233) and the arc-shaped strips (1234) form an oval track; the sliding strips (1223) adapted to be connected to the driving member (123) are connected to a set of curved strips (1234) adjacent to the outlet of the air intake duct (11); when the sector gear (1232) rotates for one circle, the sector gear (1232) is suitable for being sequentially meshed with the two linear racks (1233) and driving the linear racks (1233) to move along the length direction of the fixed sliding rail (1221).
6. A ventilation system for medical buildings according to any of claims 1 to 3, characterized in that: the exhaust module (2) further comprises an exhaust fan (211), the exhaust fan (211) is installed in the exhaust pipeline (21), and the exhaust fan (211) is located at the front end of the sterilization device (32); the sterilizing device (32) comprises a plurality of ultraviolet lamp sets (321) which are arranged in the exhaust duct (21) at intervals and uniformly, and the ultraviolet lamp sets (321) are in signal connection with the control module.
7. The ventilation system for medical buildings according to claim 6, wherein: the ultraviolet lamp set is characterized by further comprising a return pipeline (22) communicated with the exhaust pipeline (21), wherein an air inlet of the return pipeline (22) is connected to the rear end of the ultraviolet lamp set (321) in the exhaust pipeline (21), and an air outlet of the return pipeline (22) is connected to the front end of the ultraviolet lamp set (321) in the exhaust pipeline (21); a humidity sensor (23) and a first backflow valve (24) are arranged between the rear end of the ultraviolet lamp set (321) and the air inlet of the backflow pipeline (22) in the exhaust pipeline (21), and the first backflow valve (24) is suitable for closing the exhaust pipeline (21) at the rear end of the ultraviolet lamp set (321) and opening the air inlet of the backflow pipeline (22); a second backflow valve (25) is arranged between the front end of the ultraviolet lamp set (321) and the air outlet of the backflow pipeline (22) in the exhaust pipeline (21), and the second backflow valve (25) is suitable for closing the exhaust pipeline (21) at the front end of the ultraviolet lamp set (321) and opening the air outlet of the backflow pipeline (22); the humidity sensor (23), the first backflow valve (24) and the second backflow valve (25) are in signal connection with the control module, and the control module is suitable for controlling the first backflow valve (24) and the second backflow valve (25) to conduct air in the exhaust pipeline (21) according to signals of the humidity sensor (23).
8. The ventilation system for medical buildings according to claim 7, wherein: the first return valve (24) comprises a first valve plate (241) and a first rotary motor (242), the second return valve (25) comprises a second valve plate (251) and a second rotary motor (252); the first valve plate (241) and the second valve plate (251) are both L-shaped plates, the first valve plate (241) is rotatably connected to the connection position of an air inlet of the exhaust pipeline (21) and an air inlet of the return pipeline (22), the second valve plate (251) is rotatably connected to the connection position of the exhaust pipeline (21) and an air outlet of the return pipeline (22), and the edges of the first valve plate (241) and the second valve plate (251) are suitable for being attached to the inner walls of the exhaust pipeline (21) and the return pipeline (22); the first rotating motor (242) is used for providing driving force for rotation of the first valve plate (241), the second rotating motor (252) is used for providing driving force for rotation of the second valve plate (251), and the first rotating motor (242) and the second rotating motor (252) are in signal connection with the control module.
9. A ventilation system for a medical building according to claim 8, wherein: the sterilization device (32) further comprises an infrared lamp set (322) used for drying the backflow air at a high temperature, the infrared lamp set (322) is installed in the backflow pipeline (22), the infrared lamp set (322) is located between the first valve plate (241) and the second valve plate (251), and the infrared lamp set (322) is also in signal connection with the control module.
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