WO2022000588A1 - 进气机构及负压系统 - Google Patents

进气机构及负压系统 Download PDF

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Publication number
WO2022000588A1
WO2022000588A1 PCT/CN2020/102975 CN2020102975W WO2022000588A1 WO 2022000588 A1 WO2022000588 A1 WO 2022000588A1 CN 2020102975 W CN2020102975 W CN 2020102975W WO 2022000588 A1 WO2022000588 A1 WO 2022000588A1
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WO
WIPO (PCT)
Prior art keywords
air
gas
closed structure
negative pressure
pressure system
Prior art date
Application number
PCT/CN2020/102975
Other languages
English (en)
French (fr)
Inventor
何伟
饶涛
黄愉太
朱国远
Original Assignee
深圳市巨鼎医疗股份有限公司
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 深圳市巨鼎医疗股份有限公司 filed Critical 深圳市巨鼎医疗股份有限公司
Priority to EP20943410.9A priority Critical patent/EP4180729A1/en
Publication of WO2022000588A1 publication Critical patent/WO2022000588A1/zh
Priority to US18/147,883 priority patent/US20230145654A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/18—Radiation
    • A61L9/20—Ultra-violet radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0028—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions provided with antibacterial or antifungal means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
    • B01D46/0041—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
    • 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
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • 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
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28—Arrangement or mounting of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
    • F24F3/167—Clean rooms, i.e. enclosed spaces in which a uniform flow of filtered air is distributed
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/11—Apparatus for controlling air treatment
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/14—Filtering means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2273/30—Means for generating a circulation of a fluid in a filtration system, e.g. using a pump or a fan
    • 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
    • F24F11/0001—Control or safety arrangements for ventilation
    • F24F2011/0002—Control or safety arrangements for ventilation for admittance of outside air
    • F24F2011/0005—Control or safety arrangements for ventilation for admittance of outside air to create underpressure in a room, keeping contamination inside
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Definitions

  • the present application relates to the field of protection technology, and in particular, to an air intake mechanism and a negative pressure system.
  • Harmful substances are often transmitted through the air. In order to prevent their spread, the harmful substances are generally isolated from the outside world by means of isolation.
  • the traditional negative pressure system prevents the leakage of harmful substances by forming negative pressure. Since the air intake mechanism for supplying air to the negative pressure system lacks the filtering function and cannot ensure the cleanness of the air intake, there is a risk of further deteriorating the air quality inside the negative pressure system.
  • the purpose of this application is to provide a negative pressure system when preventing harmful substances from diffusing with the air, so as to solve the technical problem that the traditional negative pressure system cannot filter the intake air.
  • An air intake mechanism includes a first air intake end, a first air outlet end, and a first channel between the first air intake end and the first air outlet end, and the first channel is provided with a first A gas drive unit, a first filter assembly is arranged between the first air inlet end and the first gas drive unit, and a second filter assembly is arranged between the first air outlet end and the first gas drive unit .
  • the inner wall of the first channel is provided with an embedded portion for fixing the first filter assembly, and the first gas driving unit and the first filter assembly are disposed between There is a first purification assembly.
  • a negative pressure system comprising:
  • the closed structure can be expanded to form a cavity, the closed structure includes an opening and closing mechanism, and the opening and closing mechanism is used to communicate or isolate the cavity and the external space of the closed structure;
  • a support device capable of unfolding the closed structure
  • the detection device is used to detect the air pressure inside the closed structure
  • a gas exchange device which is used for purifying and exchanging the gas inside and outside the closed structure
  • the gas exchange device includes an exhaust mechanism, a purification mechanism, and the above-mentioned intake mechanism, and the purification mechanism is used for purifying the gas passing through the intake mechanism and the gas passing through the exhaust mechanism, so
  • the purification mechanism includes the first purification assembly and the second purification assembly, and the second purification assembly is used to purify the gas passing through the exhaust mechanism;
  • the air intake mechanism is used to take air into the closed structure, and the exhaust mechanism is used to discharge the gas in the closed structure, so as to adjust the air pressure inside the closed structure to be lower than the air pressure outside the closed structure .
  • the opening and closing mechanism is a door structure for personnel to enter.
  • the support device includes a plurality of support mechanisms
  • the adjacent support mechanisms When the adjacent support mechanisms are approached, they can be connected as a whole, and when the adjacent support mechanisms are far away, the closed structure can be unfolded.
  • the support mechanism includes a body, at least one of the bodies is provided with the air intake mechanism, and at least one of the bodies is provided with the exhaust mechanism.
  • At least one of the main bodies is provided with an operation console, and the operation console controls the flow rate of gas passing through the air intake mechanism and the flow rate of gas passing through the air intake mechanism according to the air pressure value detected by the detection device.
  • the gas flow of the exhaust mechanism is provided with an operation console, and the operation console controls the flow rate of gas passing through the air intake mechanism and the flow rate of gas passing through the air intake mechanism according to the air pressure value detected by the detection device. The gas flow of the exhaust mechanism.
  • a telescopic rod is provided on the top of the support mechanism, and the telescopic rod can be accommodated in the support mechanism.
  • the negative pressure system further includes a telescopic connecting frame, and the connecting frame is used to drive the adjacent supporting mechanisms to approach and move away.
  • the above-mentioned air intake mechanism adopts a first filter assembly between the first intake end and the first gas drive unit and a second filter assembly between the first air outlet end and the first air drive unit to ensure that the air passes through the air intake.
  • the cleanliness of the gas after the mechanism avoids further deterioration of the gas quality in the cavity supplied by the air intake mechanism.
  • FIG. 1 is a front view of the negative pressure system when deployed in one embodiment.
  • FIG. 2 is an axial view of the negative pressure system shown in FIG. 1 .
  • FIG. 3 is a top view of the negative pressure system shown in FIG. 1 .
  • FIG. 4 is an axial view of the closed structure in the negative pressure system shown in FIG. 1 .
  • Figure 5 is an axial view of the support device retracted in one embodiment.
  • FIG. 6 is an enlarged structural schematic diagram of part A in FIG. 5 .
  • FIG. 7 is a schematic diagram of an enlarged structure of part B in FIG. 5 .
  • FIG. 8 is a schematic view of the support device in the negative pressure system shown in FIG. 1 being unfolded along the X direction.
  • FIG. 9 is a schematic diagram showing the development of the support device in the Y direction in the negative pressure system shown in FIG. 1 .
  • FIG. 10 is a schematic diagram showing the extension of the telescopic rod in the negative pressure system shown in FIG. 1 .
  • FIG. 11 is a schematic structural diagram of the first support mechanism in the negative pressure system shown in FIG. 1 .
  • FIG. 12 is a schematic structural diagram of the third support mechanism in the negative pressure system shown in FIG. 1 .
  • FIG. 13 is a schematic structural diagram of the first gas driving unit/the second gas driving unit in the negative pressure system shown in FIG. 1 .
  • FIG. 14 is a schematic diagram of the connection of the connecting bars in the negative pressure system shown in FIG. 1 .
  • FIG. 15 is an axial view from a perspective of the inner structure of the body of the first support mechanism in one embodiment.
  • FIG. 16 is an axial view from another perspective of the internal structure of the body of the first support mechanism shown in FIG. 15 .
  • FIG. 17 is a front view of the internal structure of the body of the first support mechanism shown in FIG. 15 .
  • FIG. 18 is a sectional view taken along the line C-C in FIG. 17 .
  • FIG. 19 is a top view of the internal structure of the body of the first support mechanism shown in FIG. 15 .
  • the negative pressure system 10 provided in this embodiment of the present application is used to prevent harmful substances from being spread through the air. Including aerosols containing mycoplasma and/or pathogens.
  • the negative pressure system 10 can also be used to prevent the propagation of harmful substances through other media, or the propagation of other non-hazardous substances, or be applied to other situations that require negative pressure, which is not the only one here. limited.
  • a negative pressure system 10 includes: a closed structure 100, a support device 200, a detection device and a gas exchange device.
  • the closed structure 100 is a flexible structure or a folded structure composed of a plurality of splice plates.
  • the folded structure can be folded to reduce the volume and facilitate portability, and has a certain space after unfolding.
  • the closing structure 100 can be unfolded to form a cavity, and the closing structure 100 includes an opening and closing mechanism 110 , and the opening and closing mechanism 110 is used to communicate or isolate the cavity from the external space of the closing structure 100 .
  • the above-mentioned negative pressure system 10 adopts a closed structure 100.
  • the closed structure 100 can be unfolded to form a cavity.
  • the cavity is communicated or isolated from the external space through the opening and closing mechanism 110.
  • the opening and closing mechanism 110 When the opening and closing mechanism 110 is closed, the cavity can be connected to the external space. Complete isolation, effectively prevent the spread of harmful substances.
  • the closed structure 100 is a flexible structure, and the expanded shape of the closed structure 100 can be a cuboid, a cylinder, a hemisphere or other shapes capable of forming a certain space.
  • the shape of the closed structure 100 is a rectangular parallelepiped.
  • the closure structure 100 includes a bottom segment 120, a top segment 130, and a side segment 140 located between the bottom segment 120 and the top segment 130, the bottom segment 120, the top segment 130, and the side segment 140 deployed to form a cavity.
  • the opening and closing mechanism 110 includes two opening and closing parts 111 , the two opening and closing parts 111 are closed by means of magnetic attraction or mechanical connection, and a seal is also provided between the two opening and closing parts 111 structure to ensure that the cavity is isolated from the external space when closed.
  • the side subsection 140 also has a viewing window 141 made of a transparent medium.
  • the opening and closing mechanism 110 is a structure for people to enter and exit the door
  • the opening and closing part 111 is a flexible structure.
  • the opening and closing part 111 is a flexible curtain. By folding the two opening and closing parts 111 away from each other, to form a channel in and out of the cavity.
  • the top of the opening and closing part 111 and the side away from the other opening and closing part 111 are integrally connected with the closing structure 100
  • the bottom of the opening and closing part 111 is detachably connected with the closing structure 100 .
  • connection is achieved by means of magnetic attraction or mechanical connection, and a sealing structure is provided between the bottom of the opening and closing portion 111 and the closing structure 100 to ensure that the cavity is isolated from the external space when closed. That is, an L-shaped connecting seam is formed between the adjacent opening and closing parts 111 and the bottom of the opening and closing part 111 , and the opening and closing parts 111 can be lifted up along the L-shaped connecting seam to enter and exit the cavity.
  • the opening and closing mechanism 110 is closed, the closed structure 100 is a fully sealed structure, and the gas can only be exchanged through the gas exchange device, which ensures the absolute isolation of harmful substances from the outside world.
  • the support device 200 is capable of unfolding the closed structure 100 .
  • the support device 200 includes a plurality of support mechanisms. Adjacent support mechanisms can be connected as a whole when they are close together, and can be connected by magnetic attraction or mechanical means.
  • the closure structure 100 can be deployed as the adjacent support mechanisms move away.
  • the top of the support mechanism is provided with a telescopic rod, and the telescopic rod can be accommodated in the support mechanism.
  • the telescopic rod is extended and locked by the support mechanism to increase the height of the support mechanism, and the closed structure 100 is expanded to the final position shape, the closed structure 100 is connected with the support mechanism and the telescopic rod through a connecting piece.
  • the bottom of the support mechanism has rollers 210 to facilitate the approach and distance of adjacent support mechanisms.
  • the roller 210 is provided with a locking portion, which can lock the roller 210 after the support mechanism moves to a predetermined position, so as to prevent the support mechanism from moving.
  • the existence of the rollers 210 facilitates the overall movement of the support device 200, and the closed structure 100 is a flexible structure, so that the negative pressure system 10 has strong portability as a whole when it is contracted.
  • the support device 200 includes a first support mechanism 220 , a second support mechanism 230 , a third support mechanism 240 and a fourth support mechanism 250 , and the third support mechanism between the first support mechanism 220 and the second support mechanism 230 and the third support mechanism
  • the mechanism 240 and the fourth support mechanism 250 are connected by a magnetic element, and the outer side of the magnetic element is wrapped with an elastic element to reduce the impact caused by the collision during connection.
  • the first support mechanism 220 and the fourth support mechanism 250 and the second support mechanism 230 It is connected with the third support mechanism 240 through a lock 260 .
  • the locking buckle 260 includes a connecting block 261 and a connecting groove.
  • the connecting block 261 can rotate relative to the first support mechanism 220/second support mechanism 230, and a connecting protrusion 2611 is formed thereon, which is connected to the third support mechanism 240/fourth support mechanism.
  • the connection grooves on 250 are matched, and the connection block 261 and the connection groove can be connected by magnetic attraction or mechanical means.
  • the magnetic attraction piece is an electromagnetic attraction piece
  • the support device 200 is provided with a touch switch 270 .
  • the touch switch 270 can realize power-off and energization of the magnetic attraction piece, so that the magnetic attraction force of the magnetic attraction piece disappears and forms. After the magnetic attraction force is formed, the elastic member is squeezed to form an elastic force.
  • the first support mechanism 220 and the second support mechanism 230 which are connected together by the lock 260 are connected with the lock 260.
  • the integrated third support mechanism 240 and the fourth support mechanism 250 can bounce off each other, and the first support mechanism 220 and the second support mechanism 230 as a whole and the third support mechanism 240 and the fourth support mechanism as a whole are facilitated by virtue of inertia. 250 expansion.
  • the magnetic attraction piece After the magnetic attraction piece generates the magnetic attraction force, it touches the touch switch 270 once, and the magnetic attraction force disappears, and then touches the touch switch 270 again, and the magnetic attraction force is regenerated.
  • the negative pressure system 10 further includes a telescopic connecting frame 300, and the connecting frame 300 is used to drive the adjacent support mechanisms to approach and move away.
  • the connection frame 300 includes a first connection frame 310 connected between the second support mechanism 230 and the third support mechanism 240 , a second connection frame 320 connected between the third support mechanism 240 and the fourth support mechanism 250 , and a second connection frame 320 connected between the third support mechanism 240 and the fourth support mechanism 250 .
  • the third connecting frame 330 between the fourth supporting mechanism 250 and the first supporting mechanism 220, through the arrangement of the aforementioned three groups of connecting frames 300, can keep the supporting mechanisms that are close to each other away from each other, and define the direction and distance away from each other, and further The closure structure 100 is deployed.
  • the first support mechanism 220 and the second support mechanism 230 connected together by the lock 260 and the third support mechanism 240 and the third support mechanism 240 connected by the lock 260 are formed as a whole.
  • the four supporting mechanisms 250 can be bounced apart from each other, and the second connecting frame 320 is elongated along the X direction in FIG. 8 to connect the first supporting mechanism 220 and the second supporting mechanism 230 as a whole with the third supporting mechanism 240 and the fourth supporting mechanism 240 as a whole.
  • the support mechanism 250 is deployed. After that, the latch 260 is opened, the first connecting frame 310 is extended along the Y direction in FIG.
  • the connecting frame 300 is formed by a plurality of connecting rods 301 hinged end to end, and the two connecting rods 301 at the ends are respectively connected to the corresponding supporting mechanisms.
  • the detection device is used to detect the air pressure inside the closed structure 100 . Specifically, the detection device is used to detect the air pressure of the cavity.
  • the gas exchange device is used for purifying and exchanging the gas inside and outside the closed structure 100 , so as to adjust the air pressure inside the closed structure 100 to be lower than the air pressure outside the closed structure 100 .
  • the gas exchange device is a fresh air device with a purification function.
  • the gas exchange device includes an intake mechanism, an exhaust mechanism and a purification mechanism.
  • the purification mechanism is used to purify the gas passing through the intake mechanism and the gas passing through the exhaust mechanism.
  • the air intake mechanism is used to inhale air into the closed structure 100
  • the exhaust mechanism is used to discharge the gas in the closed structure 100 , so as to adjust the air pressure inside the closed structure 100 to be lower than the air pressure outside the closed structure 100 .
  • the exhaust mechanism communicates with the cavity, and is used to adjust the air pressure of the cavity to be lower than the air pressure outside the cavity.
  • the air intake mechanism includes a first air intake end 225, a first air outlet end 226, and a first channel between the first air intake end 225 and the first air outlet end 226, and a first gas drive unit 500 is disposed on the first channel.
  • the first inlet end 225 is communicated with the input end 501 of the first gas driving unit 500
  • the first gas outlet end 226 is communicated with the output end 502 of the first gas driving unit 500
  • the gas in the outer space of the closed structure 100 passes through the first gas driving unit 500.
  • the gas driving unit 500 is driven and can enter the cavity through the first channel.
  • the exhaust mechanism includes a second air inlet end 243, a second air outlet end, and a second passage located between the second air inlet end 243 and the second air outlet end.
  • the second passage is provided with a second gas driving unit 600.
  • the inlet end 243 is communicated with the input end 601 of the second gas driving unit 600
  • the second gas outlet end is communicated with the output end 602 of the second gas driving unit 600
  • the gas in the cavity is driven by the second gas driving unit 600 and can be driven by the second gas driving unit 600 .
  • the second channel exits the cavity.
  • the purification mechanism includes a first purification assembly disposed in the first channel and a second purification assembly disposed in the second channel.
  • the first purification assembly includes a first air purification net and a first air purification net for fixing the first air purification net on the first air purification net.
  • the first connector in a channel the second purification assembly includes a second air cleaning net and a second connector for fixing the second air cleaning net in the second channel.
  • the first air purification net and the second air purification net are both HEPA filter nets, wherein the second air purification net also has the function of sterilization and detoxification to ensure that the exhaust gas is free of harmful substances. Further, through the combined action of the air intake mechanism and the exhaust mechanism, the cavity forms a negative pressure.
  • the detachable connection between the opening and closing parts 111 and the closing structure 100 and the connection between the adjacent opening and closing parts 111 have connecting bars 1111
  • the connection between the adjacent opening and closing parts 111 has a connecting bar 1111
  • the connecting bar 1111 is fixedly connected with one of the opening and closing parts 111 .
  • the connecting strips 1111 are located in the circumferential direction of the opening and closing portion 111 and on the side away from the cavity.
  • the connecting strips 1111 are adsorbed on each connection to ensure that the cavity is isolated from the external space, and the connecting strips The surface of the 1111 is treated to reduce its sliding friction, thereby reducing the opening resistance of the opening and closing portion 111 .
  • the connecting bar 1111 can be made of a flexible material, which can be deformed under the action of air pressure to further ensure that the cavity is isolated from the external space.
  • the support mechanism includes a body, at least one body is provided with an air intake mechanism, and at least one body is provided with an exhaust mechanism. At least one body is provided with an operation console, and the operation console controls the gas flow through the air intake mechanism and the gas flow through the exhaust mechanism according to the air pressure value detected by the detection device.
  • the first support mechanism 220 includes a first body 221 , an air intake mechanism is arranged in the first body 221 , a first air outlet 226 is communicated with the cavity, a roller 210 is disposed at the bottom of the first body 221 , and the first body 221 is The first telescopic rod 222 that can be extended from the top is accommodated.
  • the first body 221 is also provided with an operation console.
  • the operation console includes a display screen 223, a processing unit, a receiving unit, a sending unit and a report generating unit.
  • the processing unit It is used for controlling the gas flow rate passing through the intake mechanism and the gas flow rate passing through the exhaust mechanism according to the air pressure value detected by the first detection device.
  • the receiving unit is used for receiving external signals, for example, control signals to control the operation of the negative pressure system 10, data signals, including inspection information of infectious patients, and the like.
  • the sending unit is used to send signals to the outside, for example, the operation information of the negative pressure system 10, the monitoring data of infectious patients, and the like.
  • the report generating unit is used to generate a paper report and export it from the report outlet 224 of the first body 221 .
  • the paper report may include status information of the negative pressure system 10 within a period of time, monitoring data of infectious patients or inspection reports of infectious patients.
  • the display screen 223 is arranged on the top of the first body 221, and is used to display the air pressure value detected by the first detection device, the gas flow rate of the intake mechanism and the exhaust mechanism, the monitoring data of the infectious patient, or the inspection report of the infectious patient, etc.
  • the screen 223 has an interactive function.
  • the gas quality inside the closed structure 100 detected by the second detection device 400 can also be displayed on the display screen 223 in real time, so that the gas quality inside the closed structure 100 can be known in real time.
  • the air intake mechanism includes a first air intake end 225 , a first air outlet end 226 , and a first air intake end 225 and a first air outlet end 226
  • the first channel 227 in between.
  • a first gas driving unit 228 is disposed on the first channel 227 .
  • a first filter assembly is disposed between the first intake end 225 and the first gas driving unit 228 .
  • a second filter assembly is disposed between the first gas outlet end 226 and the first gas driving unit 228 .
  • the inner wall of the first channel 227 is provided with an embedded portion for fixing the first filter assembly.
  • a first purification assembly is disposed between the first gas driving unit 228 and the first filter assembly.
  • the first filter assembly includes a primary filter 2271 and an intermediate filter 2272 .
  • the inner wall of the first channel 227 is provided with an embedded portion for fixing the primary filter 2271 and the intermediate filter 2272 .
  • the second filter assembly includes a high efficiency filter 2273 .
  • the high efficiency filter 2273 is fixedly connected with the first channel 227 .
  • the first purification component is located between the first gas driving unit 228 and the medium-efficiency filter 2272 .
  • the first purification assembly includes a first air purification net 2274 and an ultraviolet lamp. The ultraviolet lamp is used for sterilizing and sterilizing the gas passing through the first air purification net 2274 .
  • the first air purification net 2274 is fixedly connected with the inner wall of the first channel 227 .
  • the first support mechanism 220 includes a first body 221 , and an air intake mechanism is disposed in the first body 221 .
  • the first air inlet end 225 and the first air outlet end 226 are located on the first body 221 .
  • the air intake mechanism also includes an inner casing 229 located within the first body 221 .
  • the first channel 227 forms a first through hole 2291 and a second through hole 2292 on the inner case 229 .
  • the primary filter 2271 is disposed close to the first through hole 2291 .
  • the first intake end 225 communicates with the first through hole 2291 .
  • the first gas outlet 226 communicates with the second through hole 2292 .
  • the first through hole 2291 is provided with a mesh plate for performing preliminary filtration before the gas enters the inner casing 229 to remove impurities of larger size, so as to improve the life of the first filter assembly and the first purification assembly.
  • the first gas outlet end 226 is sleeved on the second through hole 2292 .
  • the first air outlet 226 communicates with the cavity.
  • the bottom of the first body 221 is provided with a roller 210 .
  • the first body 221 accommodates a first telescopic rod 222 that can protrude from the top of the first body 221 .
  • the first body 221 is also provided with an operation control
  • the operation console includes a display screen 223, a processing unit, a receiving unit, a sending unit and a report generating unit.
  • the processing unit is used to control the gas flow through the intake mechanism and the gas flow through the exhaust mechanism according to the air pressure value detected by the first detection device. gas flow.
  • the receiving unit is used for receiving external signals, for example, control signals to control the operation of the negative pressure system 10, data signals, including inspection information of infectious patients and the like.
  • the sending unit is used to send signals to the outside, for example, the operation information of the negative pressure system 10, the monitoring data of infectious patients, and the like.
  • the report generating unit is used to generate a paper report and export it from the report outlet 224 of the first body 221 .
  • the paper report may include status information of the negative pressure system 10 within a period of time, monitoring data of infectious patients or inspection reports of infectious patients.
  • the display screen 223 is arranged on the top of the first body 221, and is used to display the air pressure value detected by the first detection device, the gas flow rate of the intake mechanism and the exhaust mechanism, the monitoring data of the infectious patient, or the inspection report of the infectious patient, etc.
  • the screen 223 has an interactive function.
  • the gas quality inside the closed structure 100 detected by the second detection device 400 can also be displayed on the display screen 223 in real time, so that the gas quality inside the closed structure 100 can be known in real time.
  • the second support mechanism 230 includes a second body 231 , the bottom of the second body 231 is provided with a roller 210 , and the second body 231 accommodates a second telescopic rod 232 that can extend from the top thereof.
  • the second body 231 is also formed with a storage slot 233, which is convenient for storing articles.
  • the touch switch 270 is disposed on the second body 231 , and is a foot-touch switch, with a non-slip portion 271 disposed thereon and rotatable relative to the second body 231 .
  • the opening and closing mechanism 110 is disposed between the first supporting mechanism 220 and the second supporting mechanism 230 .
  • a cross beam 400 is provided between the first telescopic rod 222 and the second telescopic rod 232 , and the cross beam 400 has a driving mechanism for driving the opening and closing mechanism 110 to open and close.
  • the third support mechanism 240 includes a third body 241 , an exhaust mechanism is arranged in the third body 241 , the second intake end 243 is communicated with the cavity, the bottom of the third body 241 is provided with a roller 210 , and the third body 241 A third telescopic rod 242 that can be extended from the top is accommodated therein.
  • the first air outlet end 226 and the second air inlet end 243 are arranged diagonally, which is conducive to the rapid diffusion of the gas entering the cavity.
  • the killing atmosphere can be introduced from the first channel; when the harmful substances in the cavity need to be removed or reacted, the corresponding atmosphere can be introduced from the first channel.
  • the fourth support mechanism 250 includes a fourth body 251 , and a backup battery can be provided in the fourth body 251 to ensure that the negative pressure system 10 can still operate when the external power supply to the negative pressure system 10 is stopped.
  • the bottom of the fourth body 251 is provided with a roller 210 , and the fourth body 251 accommodates a fourth telescopic rod 252 that can protrude from the top of the fourth body 251 .
  • the first support mechanism 220 , the second support mechanism 230 , the third support mechanism 240 and the fourth support mechanism 250 can be enclosed to form a accommodating space 290 .
  • the closed structure 100 is contracted and the beam 400 is folded, it can be accommodated Due to the accommodating space 290, the portability of the negative pressure system 10 when it is contracted is improved.

Abstract

本申请实施例公开了一种进气机构及负压系统。该进气机构包括第一进气端、第一出气端以及位于第一进气端和第一出气端之间的第一通道，第一通道上设置有第一气体驱动单元，第一进气端与第一气体驱动单元之间设置有第一过滤组件，第一出气端与第一气体驱动单元之间设置有第二过滤组件。上述进气机构，采用在第一进气端与第一气体驱动单元之间设置第一过滤组件以及在第一出气端与第一气体驱动单元之间设置第二过滤组件，保证了经过进气机构后的气体的洁净度，避免通过进气机构向其供气的腔体内气体质量的进一步恶化。

Description

进气机构及负压系统 技术领域
本申请涉及防护技术领域，尤其涉及一种进气机构及负压系统。
 背景技术
有害物质常通过空气进行传播，为防止其扩散，一般通过隔离的方式将有害物质与外界隔绝。
 技术问题
传统负压系统通过形成负压防止有害物质外泄。由于为负压系统供气的进气机构缺少过滤功能，无法保证进气的洁净，因此，存在进一步恶化负压系统内部气体质量的风险。
 技术解决方案
本申请的目的在于在防止有害物质随空气扩散时，提供一种负压系统，以解决传统负压系统无法对进气进行过滤的技术问题。
为实现上述目的，本申请采用的技术手段一如下：
一种进气机构，包括第一进气端、第一出气端以及位于所述第一进气端和所述第一出气端之间的第一通道，所述第一通道上设置有第一气体驱动单元，所述第一进气端与所述第一气体驱动单元之间设置有第一过滤组件，所述第一出气端与所述第一气体驱动单元之间设置有第二过滤组件。
在所述进气机构的一些实施例中，所述第一通道的内壁设置有用于固定所述第一过滤组件的嵌入部，所述第一气体驱动单元与所述第一过滤组件之间设置有第一净化组件。
为实现上述目的，本申请采用的技术手段二如下：
一种负压系统，包括：
封闭结构，所述封闭结构能够展开形成腔体，所述封闭结构包括开合机构，所述开合机构用于将所述腔体与所述封闭结构的外部空间连通或隔离；
支撑装置，所述支撑装置能够将所述封闭结构展开；
检测装置，所述检测装置用于检测所述封闭结构内部气压；以及
气体交换装置，所述气体交换装置用于将所述封闭结构内外气体净化后进行交换；
所述气体交换装置包括排气机构、净化机构以及如上述所述的进气机构，所述净化机构用于对经过所述进气机构的气体以及经过所述排气机构的气体进行净化，所述净化机构包括所述第一净化组件和第二净化组件，所述第二净化组件用于对经过所述排气机构的气体进行净化；
所述进气机构用于向所述封闭结构内进气，所述排气机构用于将所述封闭结构内的气体排出，以调节所述封闭结构内部气压低于所述封闭结构外部的气压。
在所述负压系统的一些实施例中，所述开合机构为供人员进出门体结构。
在所述负压系统的一些实施例中，所述支撑装置包括多个支撑机构；
相邻所述支撑机构靠近时能够连接为一体，相邻所述支撑机构远离时能够将所述封闭结构展开。
在所述负压系统的一些实施例中，所述支撑机构包括本体，至少一个所述本体上设置有所述进气机构，至少一个所述本体上设置有所述排气机构。
在所述负压系统的一些实施例中，至少一个所述本体上设置有操作控制台，所述操作控制台根据所述检测装置检测的气压值控制经过所述进气机构的气体流量和经过所述排气机构的气体流量。
在所述负压系统的一些实施例中，所述支撑机构的顶部设置有伸缩杆，所述伸缩杆能够收容于所述支撑机构。
在所述负压系统的一些实施例中，所述负压系统还包括能够伸缩的连接架，所述连接架用于驱动相邻所述支撑机构靠近和远离。
 有益效果
实施本申请实施例，将具有如下有益效果：
上述进气机构，采用在第一进气端与第一气体驱动单元之间设置第一过滤组件以及在第一出气端与第一气体驱动单元之间设置第二过滤组件，保证了经过进气机构后的气体的洁净度，避免通过进气机构向其供气的腔体内气体质量的进一步恶化。
 附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
其中：
图1为一个实施例中负压系统展开时的主视图。
图2为图1所示负压系统的轴视图。
图3为图1所示负压系统的俯视图。
图4为图1所示负压系统中封闭结构的轴视图。
图5为一个实施例中支撑装置收缩时的轴视图。
图6为图5中A部放大结构示意图。
图7为图5中B部放大结构示意图。
图8为图1所示负压系统中支撑装置沿X方向展开示意图。
图9为图1所示负压系统中支撑装置沿Y方向展开示意图。
图10为图1所示负压系统中伸缩杆伸出示意图。
图11为图1所示负压系统中第一支撑机构的结构示意图。
图12为图1所示负压系统中第三支撑机构的结构示意图。
图13为图1所示负压系统中第一气体驱动单元/第二气体驱动单元的结构示意图。
图14为图1所示负压系统中连接条的连接示意图。
图15为一个实施例中第一支撑机构的本体内部结构的一视角的轴视图。
图16为图15所示第一支撑机构的本体内部结构的另一视角的轴视图。
图17为图15所示第一支撑机构的本体内部结构的主视图。
图18为图17中C-C向剖面图。
图19为图15所示第一支撑机构的本体内部结构的俯视图。
 本发明的实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
本申请实施例提供的负压系统10用于防止有害物质通过空气进行传播，有害物质包括能够随空气传播的有害气体、有害液体和有害固体颗粒以及能够随空气传播的支原体和病原体，有害物质还包括含有支原体和/或病原体的气溶胶。当然在本申请的其他实施例中，该负压系统10还能够用于防止有害物质通过其他介质传播，或者其他非有害物质的传播，亦或应用于其他需要负压的情形，此处不作唯一限定。
请一并结合图1至图14，现对本申请提供的负压系统10进行说明。一种负压系统10，包括：封闭结构100，支撑装置200，检测装置和气体交换装置。封闭结构100为柔性结构或者可由多个拼接板组成的折叠结构，折叠结构能够折叠以缩小体积便于携带，其展开后具有一定等空间。进一步地，封闭结构100能够展开形成腔体，封闭结构100包括开合机构110，开合机构110用于将腔体与封闭结构100的外部空间连通或隔离。上述负压系统10，采用了封闭结构100，该封闭结构100能够展开形成腔体，腔体通过开合机构110与外部空间连通或隔离，当开合机构110闭合时，腔体能够与外界空间完全隔离，有效防止有害物质的扩散。
请一并结合图1至图4，封闭结构100为柔性结构，封闭结构100展开后的形状可以为长方体、圆柱体、半球面体或其他能够形成一定空间的形状。本实施例中，封闭结构100的形状为长方体。具体地，封闭结构100包括底分部120、顶分部130以及位于底分部120和顶分部130之间的侧分部140、底分部120、顶分部130和侧分部140展开以形成腔体。本实施例中，开合机构110包括两个开合部111，两个开合部111之间通过磁吸的方式或机械连接的方式实现闭合，两个开合部111之间还设置有密封结构，以保证闭合时将腔体与外界空间隔离。侧分部140还具有透明介质制成的观察窗141。
本实施例中，开合机构110为供人员进出门体结构，开合部111为柔性结构，例如，开合部111为柔性帘，通过将两个开合部111以互相背离的方式折叠，以形成进出腔体的通道。可以理解为在其他实施例中，开合部111的顶部和远离另一个开合部111的一侧与封闭结构100连为一体，开合部111的底部与封闭结构100可拆连接，同样可通过磁吸的方式或机械连接的方式实现连接，开合部111的底部与封闭结构100之间设置有密封结构，以保证闭合时将腔体与外界空间隔离。即相邻开合部111之间与开合部111底部构成L型连接缝，沿L型连接缝将开合部111掀起便可进出腔体。开合机构110闭合时封闭结构100为全密封结构，气体仅能通过气体交换装置进行交换，保证了有害物质与外界的绝对隔离。
进一步地，支撑装置200能够将封闭结构100展开。具体地，支撑装置200包括多个支撑机构。相邻支撑机构靠近时能够连接为一体，可通过磁吸的方式或机械的方式连接。相邻支撑机构远离时能够将封闭结构100展开。进一步地，支撑机构的顶部设置有伸缩杆，伸缩杆能够收容于支撑机构。当相邻支撑机构远离时，支撑机构的高度无法满足将封闭结构100在其轴向展开时，伸缩杆由支撑机构伸出并锁紧以提高支撑机构的高度，并将封闭结构100展开呈最终形状，封闭结构100与支撑机构和伸缩杆之间通过连接件连接。支撑机构的底部具有滚轮210以方便相邻支撑机构的靠近和远离。滚轮210上设置有锁止部，能够在支撑机构移动到预定位置后将滚轮210锁止，以防止支撑机构移动。滚轮210的存在同时方便支撑装置200整体移动，并且封闭结构100为柔性结构，使得负压系统10在收缩时，其整体具有较强的便携性。
本实施例中，支撑装置200包括第一支撑机构220、第二支撑机构230、第三支撑机构240和第四支撑机构250，第一支撑机构220与第二支撑机构230之间以及第三支撑机构240与第四支撑机构250之间通过磁吸件连接，磁吸件的外侧包裹弹性件以降低连接时碰撞造成的冲击，第一支撑机构220与第四支撑机构250以及第二支撑机构230与第三支撑机构240之间通过锁扣260连接。锁扣260包括连接块261和连接槽，连接块261可相对第一支撑机构220/第二支撑机构230旋转，其上形成有连接凸起2611，与位于第三支撑机构240/第四支撑机构250上的连接槽相匹配，连接块261和连接槽可通过磁吸的方式或机械方式连接。进一步地，磁吸件为电磁吸件，支撑装置200上设置有触碰开关270，通过触碰开关270可实现磁吸件的断电和通电，以使磁吸件的磁吸力消失和形成。磁吸力形成后弹性件被挤压形成弹性力，当磁吸力消失，在弹性力的作用下，通过锁扣260连为一体的第一支撑机构220和第二支撑机构230与通过锁扣260连为一体的第三支撑机构240和第四支撑机构250能够相互弹开，借助惯性方便作为整体的第一支撑机构220和第二支撑机构230与作为整体的第三支撑机构240和第四支撑机构250展开。磁吸件产生磁吸力后触碰一次触碰开关270，磁吸力消失，再触碰一次触碰开关270，磁吸力重新产生。
进一步地，负压系统10还包括能够伸缩的连接架300，连接架300用于驱动相邻支撑机构靠近和远离。该连接架300包括连接在第二支撑机构230和第三支撑机构240之间第一连接架310、连接在第三支撑机构240和第四支撑机构250之间的第二连接架320以及连接在第四支撑机构250和第一支撑机构220之间的第三连接架330，通过前述三组连接架300的设置，能够将互相靠近的支撑机构互相远离，并限定远离的方向和距离，进而将封闭结构100展开。如前文，当磁吸力消失，在弹性力的作用下，通过锁扣260连为一体的第一支撑机构220和第二支撑机构230与通过锁扣260连为一体的第三支撑机构240和第四支撑机构250能够相互弹开，第二连接架320沿图8中X方向伸长以将作为整体的第一支撑机构220和第二支撑机构230与作为整体的第三支撑机构240和第四支撑机构250展开。之后，将锁扣260打开，第一连接架310沿图9中Y方向伸长以将第二支撑机构230和第三支撑机构240展开，第三连接架330沿图9中Y方向伸长以将第一支撑机构220和第四支撑机构250展开，最后，各支撑机构通过滚轮210锁止。本实施例中，连接架300由多个连接杆301首尾铰接而成，处于端部的两个连接杆301分别连接在对应的支撑机构上。
进一步地，检测装置用于检测封闭结构100内部气压。具体地，检测装置用于检测腔体的气压。
进一步地，气体交换装置用于将封闭结构100内外气体净化后进行交换，以调节封闭结构100内部气压低于封闭结构100外部的气压。进一步地，气体交换装置为具有净化功能的新风装置，气体交换装置包括进气机构、排气机构和净化机构，净化机构用于对经过进气机构的气体以及经过排气机构的气体进行净化。进气机构用于向封闭结构100内进气，排气机构用于将封闭结构100内的气体排出，以调节封闭结构100内部气压低于封闭结构100外部的气压。
具体地，排气机构与腔体连通，用于调整腔体的气压低于腔体外部气压。进气机构包括第一进气端225、第一出气端226以及位于第一进气端225和第一出气端226之间的第一通道，第一通道上设置有第一气体驱动单元500，第一进气端225与第一气体驱动单元500的输入端501连通，第一出气端226与第一气体驱动单元500的输出端502连通，位于封闭结构100的外部空间内的气体通过第一气体驱动单元500驱动，能够经第一通道进入腔体。排气机构包括第二进气端243、第二出气端以及位于第二进气端243和第二出气端之间的第二通道，第二通道上设置有第二气体驱动单元600，第二进气端243与第二气体驱动单元600的输入端601连通，第二出气端与第二气体驱动单元600的输出端602连通，位于腔体内的气体通过第二气体驱动单元600驱动，能够经第二通道排出腔体。净化机构包括设置于第一通道的第一净化组件和设置于第二通道的第二净化组件，具体的，第一净化组件包括第一空气净化网和用于将第一空气净化网固定在第一通道内的第一连接件，第二净化组件包括第二空气净化网和用于将第二空气净化网固定在第二通道内的第二连接件。第一空气净化网和第二空气净化网均为HEPA过滤网，其中，第二空气净化网还具有杀菌灭毒功能，以保证排出气体无有害物质。进一步地，通过进气机构和排气机构的共同作用，以使得腔体形成负压。
如图14所示，进一步地，开合部111与封闭结构100的可拆连接处以及相邻开合部111之间的连接处具有连接条1111，相邻开合部111之间的连接处具有的连接条1111与其中一个开合部111固定连接。连接条1111位于开合部111的周向且远离腔体的一侧，由于腔体内的气压低于腔体外的气压，连接条1111吸附在各连接处，保证腔体与外界空间隔离，连接条1111表面做处理以降低其滑动摩擦力，进而降低开合部111开启阻力。连接条1111可有柔性材料制成，可在气压作用下发生形变，进一步保证腔体与外界空间隔离。
进一步地，支撑机构包括本体，至少一个本体上设置有进气机构，至少一个本体上设置有排气机构。至少一个本体上设置有操作控制台，操作控制台根据检测装置检测的气压值控制经过进气机构的气体流量和经过排气机构的气体流量。
具体地，第一支撑机构220包括第一本体221，第一本体221内设置有进气机构，第一出气端226与腔体连通，第一本体221底部设置有滚轮210，第一本体221内收容有能从其顶部伸出的第一伸缩杆222，第一本体221内还设置有操作控制台，操作控制台包括显示屏223、处理单元、接收单元、发送单元和报告生成单元，处理单元用于根据第一检测装置检测的气压值控制经过进气机构的气体流量和经过排气机构的气体流量。接收单元用于接收外部信号，例如，控制信号，以控制负压系统10的运行，数据信号，包括传染病人的检查信息等。发送单元用于向外部发送信号，例如，负压系统10的运行信息，传染病人的监测数据等。报告生成单元用于生成纸件报告并从第一本体221的报告出口224导出，纸件报告可包括一段时间内负压系统10的状态信息、传染病人的监测数据或传染病人的检查报告等。显示屏223设置于第一本体221的顶端，用于显示第一检测装置检测的气压值以及进气机构和排气机构的气体流量、传染病人的监测数据、或传染病人的检查报告等，显示屏223具有交互功能。通过第二检测装置400检测到的封闭结构100内部的气体质量也可通过显示屏223实时显示，进而能够实时了解封闭结构100内部的气体质量。
在另外一个实施例中，请一并结合图11、图15至图19，进气机构包括第一进气端225、第一出气端226以及位于第一进气端225和第一出气端226之间的第一通道227。第一通道227上设置有第一气体驱动单元228。进一步地，请一并结合图15至图19，第一进气端225与第一气体驱动单元228之间设置有第一过滤组件。第一出气端226与第一气体驱动单元228之间设置有第二过滤组件。第一通道227的内壁设置有用于固定第一过滤组件的嵌入部。第一气体驱动单元228与第一过滤组件之间设置有第一净化组件。具体地，第一过滤组件包括初效过滤器2271和中效过滤器2272。第一通道227的内壁设置有用于固定初效过滤器2271和中效过滤器2272的嵌入部。第二过滤组件包括高效过滤器2273。高效过滤器2273与第一通道227固定连接。进一步地，第一净化组件位于第一气体驱动单元228与中效过滤器2272之间。第一净化组件包括第一空气净化网2274和紫外灯。紫外灯用于对经过第一空气净化网2274的气体进行杀菌灭毒。第一空气净化网2274与第一通道227的内壁固定连接。进一步地，第一支撑机构220包括第一本体221，第一本体221内设置有进气机构。第一进气端225和第一出气端226位于第一本体221上。进气机构还包括位于第一本体221内的内壳229。第一通道227在内壳229上形成第一通孔2291和第二通孔2292。初效过滤器2271靠近第一通孔2291设置。第一进气端225与第一通孔2291连通。第一出气端226与第二通孔2292连通。进一步地，第一通孔2291上设置有网孔板，用于在气体进入内壳229前进行初步过滤，以去除较大尺寸的杂质，以提高第一过滤组件和第一净化组件的寿命。进一步地，第一出气端226套接在第二通孔2292上。第一出气端226与腔体连通，第一本体221底部设置有滚轮210，第一本体221内收容有能从其顶部伸出的第一伸缩杆222，第一本体221内还设置有操作控制台，操作控制台包括显示屏223、处理单元、接收单元、发送单元和报告生成单元，处理单元用于根据第一检测装置检测的气压值控制经过进气机构的气体流量和经过排气机构的气体流量。接收单元用于接收外部信号，例如，控制信号，以控制负压系统10的运行，数据信号，包括传染病人的检查信息等。发送单元用于向外部发送信号，例如，负压系统10的运行信息，传染病人的监测数据等。报告生成单元用于生成纸件报告并从第一本体221的报告出口224导出，纸件报告可包括一段时间内负压系统10的状态信息、传染病人的监测数据或传染病人的检查报告等。显示屏223设置于第一本体221的顶端，用于显示第一检测装置检测的气压值以及进气机构和排气机构的气体流量、传染病人的监测数据、或传染病人的检查报告等，显示屏223具有交互功能。通过第二检测装置400检测到的封闭结构100内部的气体质量也可通过显示屏223实时显示，进而能够实时了解封闭结构100内部的气体质量。
进一步地，第二支撑机构230包括第二本体231，第二本体231底部设置有滚轮210，第二本体231内收容有能从其顶部伸出的第二伸缩杆232。第二本体231还形成有存储槽233，便于存储物品。如图7所示，进一步地，触碰开关270设置于第二本体231上，且为足触开关，其上设置有防滑部271且可相对第二本体231旋转。如图1至图3以及图8至图10所示，开合机构110设置于第一支撑机构220与第二支撑机构230之间。为了驱动开合机构110开启和关闭，第一伸缩杆222与第二伸缩杆232之间设置有横梁400，横梁400上具有用于驱动开合机构110开启和关闭的驱动机构。
进一步地，第三支撑机构240包括第三本体241，第三本体241内设置有排气机构，第二进气端243与腔体连通，第三本体241底部设置有滚轮210，第三本体241内收容有能从其顶部伸出的第三伸缩杆242。第一出气端226与第二进气端243呈对角设置，有利于进入腔体的气体迅速扩散，例如，对于需要吸氧的病人，可从第一通道通入含氧量较高的空气；需要对腔体消杀时，可从第一通道通入消杀气氛；需要对腔体内的有害物质进行去除或反应时，可从第一通道通入相应的气氛。
进一步地，第四支撑机构250包括第四本体251，第四本体251内可设置有备用电池，以保证外部对负压系统10停止供电时负压系统10仍能运行。第四本体251底部设置有滚轮210，第四本体251内收容有能从其顶部伸出的第四伸缩杆252。
支撑装置200收缩时，第一支撑机构220、第二支撑机构230、第三支撑机构240和第四支撑机构250能够合围呈一容纳空间290，封闭结构100收缩后、以及横梁400折叠后能够收容于容纳空间290，提高了负压系统10收缩时的便携性。
以上所揭露的仅为本申请较佳实施例而已，当然不能以此来限定本申请之权利范围，因此依本申请权利要求所作的等同变化，仍属本申请所涵盖的范围。

Claims (9)

  1. 一种进气机构，其特征在于，包括第一进气端、第一出气端以及位于所述第一进气端和所述第一出气端之间的第一通道，所述第一通道上设置有第一气体驱动单元，所述第一进气端与所述第一气体驱动单元之间设置有第一过滤组件，所述第一出气端与所述第一气体驱动单元之间设置有第二过滤组件。
  2. 根据权利要求1所述的进气机构，其特征在于，所述第一通道的内壁设置有用于固定所述第一过滤组件的嵌入部，所述第一气体驱动单元与所述第一过滤组件之间设置有第一净化组件。
  3. 一种负压系统，其特征在于，包括：
    封闭结构，所述封闭结构能够展开形成腔体，所述封闭结构包括开合机构，所述开合机构用于将所述腔体与所述封闭结构的外部空间连通或隔离；
    支撑装置，所述支撑装置能够将所述封闭结构展开；
    检测装置，所述检测装置用于检测所述封闭结构内部气压；以及
    气体交换装置，所述气体交换装置用于将所述封闭结构内外气体净化后进行交换；
    所述气体交换装置包括排气机构、净化机构以及如权利要求2所述的进气机构，所述净化机构用于对经过所述进气机构的气体以及经过所述排气机构的气体进行净化，所述净化机构包括所述第一净化组件和第二净化组件，所述第二净化组件用于对经过所述排气机构的气体进行净化；
    所述进气机构用于向所述封闭结构内进气，所述排气机构用于将所述封闭结构内的气体排出，以调节所述封闭结构内部气压低于所述封闭结构外部的气压。
  4. 根据权利要求3所述的负压系统，其特征在于，所述开合机构为供人员进出门体结构。
  5. 根据权利要求3所述的负压系统，其特征在于，所述支撑装置包括多个支撑机构；
    相邻所述支撑机构靠近时能够连接为一体，相邻所述支撑机构远离时能够将所述封闭结构展开。
  6. 根据权利要求5所述的负压系统，其特征在于，所述支撑机构包括本体，至少一个所述本体上设置有所述进气机构，至少一个所述本体上设置有所述排气机构。
  7. 根据权利要求5所述的负压系统，其特征在于，至少一个所述本体上设置有操作控制台，所述操作控制台根据所述检测装置检测的气压值控制经过所述进气机构的气体流量和经过所述排气机构的气体流量。
  8. 根据权利要求5所述的负压系统，其特征在于，所述支撑机构的顶部设置有伸缩杆，所述伸缩杆能够收容于所述支撑机构。
  9. 根据权利要求5所述的负压系统，其特征在于，所述负压系统还包括能够伸缩的连接架，所述连接架用于驱动相邻所述支撑机构靠近和远离。
PCT/CN2020/102975 2020-06-30 2020-07-20 进气机构及负压系统 WO2022000588A1 (zh)

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