CN113982121B - Portable biological cleaning movable house with switchable positive and negative pressure - Google Patents
Portable biological cleaning movable house with switchable positive and negative pressure Download PDFInfo
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- CN113982121B CN113982121B CN202111411839.0A CN202111411839A CN113982121B CN 113982121 B CN113982121 B CN 113982121B CN 202111411839 A CN202111411839 A CN 202111411839A CN 113982121 B CN113982121 B CN 113982121B
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- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 67
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/34315—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/34336—Structures movable as a whole, e.g. mobile home structures
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H1/00—Buildings or groups of buildings for dwelling or office purposes; General layout, e.g. modular co-ordination or staggered storeys
- E04H1/12—Small buildings or other erections for limited occupation, erected in the open air or arranged in buildings, e.g. kiosks, waiting shelters for bus stops or for filling stations, roofs for railway platforms, watchmen's huts or dressing cubicles
- E04H1/125—Small buildings, arranged in other buildings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
A movable positive and negative pressure ventilation biological cleaning room comprises a control system, is a difunctional switchable positive and negative pressure room working system, and is characterized in that the reconstruction and switching of a positive and negative pressure operation system can be realized functionally through a motor switching valve; and realizing the positive and negative pressure double modes of the flexible cover body. The clean room and the disinfection platform are communicated through an upper channel and a lower channel; the upper channel is a hard connecting device and is used for fixing and communicating the clean room and the disinfection platform; switching valves are respectively arranged in the channels of the upper channel 3 and the lower channel 4 so as to support two sets of positive pressure/negative pressure operation systems; the movable wheel body is arranged at the bottoms of the clean room and the disinfection platform, and the lifting system is used for matching with the movable wheel system and the two sets of running systems; the upper channel can support the clean room and the disinfection platform to move integrally.
Description
Technical Field
The application relates to clean rooms in the field of sensing and control.
In the field of sensing, the term "flexible enclosure" is used herein with respect to a clean room or isolation room or the like of a clean space. Such flexible materials are commonly used in the art as flexible materials by plastic films, fiberglass films, non-woven fabrics, and the like; the clean room has a clean functional space constructed by plates or walls with certain rigidity and strength; the disinfection platform is a mature product in the field, gas to be treated is sucked through the inlet, and the output port is clean and sterile safety gas after the disinfection of the platform.
Background
1. Cover body of flexible material (short for industry "flexible clean cover")
Medical operations are usually carried out in a sterile clean space, which is heavy and inconvenient to disassemble and transport, and is not suitable for disaster areas such as earthquake, epidemic situation and the like. Thus, a movable clean cover of a positive pressure mode of flexible material has been developed. The flexible cover matures and applies to the malleation room, is indeed particularly advantageous, namely: portability and easy popularization. However, the prior art cannot be applied to a negative pressure room.
The clean cover is made of flexible materials in the industry, is extremely convenient, but is only suitable for supporting the positive pressure room working mode. A mobile laminar flow cleaning hood (CN 210512004U encyclopedia of environmental technology, inc.) and a cleaning hood for super gaseous ion flow sterilization station (CN 207422450U, wegian medical equipment, inc.) all of which are positive pressure rooms of the industry.
2. Medical clean room of negative pressure room
The industry traditional negative pressure room adopts a hard clean room.
The clean room with hard material can obviously bear the negative pressure room, and can also serve as a positive pressure room. But with a single function. The cleaning house is closest to the prior art, the cleaning house is provided with the positive and negative pressure double functions, the pipeline system is required to be disassembled temporarily, the assembly and disassembly are inconvenient, and the cleaning house is not an integral positive and negative pressure house in a real sense. The clean room is adopted for design and realization, so that the transportation is inconvenient, the popularization is difficult, and a plurality of inconveniences exist for dealing with sudden epidemic situations.
In short, the clean room in the prior art has single function and only supports the negative pressure room or the positive pressure room, or needs to temporarily adjust a connecting pipeline for replacing the positive pressure function and the negative pressure function, so that the on-site operation is not easy, and time and labor are wasted.
Disclosure of Invention
The purpose of this application is, at first solve technical problem: the limitation that the flexible cover cannot work under negative pressure is solved, and the design of the flexible cover with the negative pressure of Yi Fang is proposed to be convenient for popularization and use in a hospital room (not in the field) under a large epidemic situation; therefore, the flexible negative-pressure simple room replaces a positive-negative pressure clean room, the advantages of the flexible material cover body can be exerted to the greatest extent, and the flexible negative-pressure simple room has great special value for the special situation of pandemic of malignant infectious viruses such as influenza viruses, coronaviruses and the like when the medical resources are insufficient. For this reason, this application gives portable removable flexible negative pressure functional room design scheme.
Meanwhile, the technical problems need to be solved: solves the limitation of the use of each monomer with independent functions. Therefore, the integrated system is formed by logic design and pipeline design, and the defects existing in the prior art are fundamentally overcome.
Technical proposal
A movable positive and negative pressure ventilation biological cleaning room comprises a control system, is a difunctional switchable positive and negative pressure room working system, and is characterized in that the reconstruction and switching of a positive and negative pressure operation system can be realized functionally through a motor switching valve; realizing a positive and negative pressure double mode of the flexible cover body; this positive negative pressure ventilation biological clean room is including portable detachable clean room, disinfection platform, go up passageway, lower passageway, the removal wheel body system and the lift system of bottom, clean room forms flexible clean space through the main part that is flexible cover body to and construct the passageway with between the disinfection platform, wherein: the clean room and the disinfection platform are communicated through an upper channel and a lower channel; the upper channel is a hard connecting device and is used for fixing and communicating the clean room and the disinfection platform; switching valves are respectively arranged in the upper channel and the lower channel to support the positive pressure/negative pressure two sets of operation systems; the movable wheel body is arranged at the bottoms of the clean room and the disinfection platform, and the lifting system is used for matching with the movable wheel system and the two sets of running systems; the upper channel can support the clean room and the disinfection platform to move integrally.
Application sites and market value:
1. the transfer between buildings can enter the elevator to serve the upper floor and the lower floor, the disassembly is not needed, and the internal space of the cover body is sterilized before the operation of the negative pressure mode, so that the functional requirements of different positive and negative pressures are met.
2. And the middle and long distances are modularized, and the modules can be disassembled and assembled in situ.
3. The above method meets the requirement of daily dual-function switching; the resource call of the middle and long distance can be made in an emergency.
Convenient use, no time and labor consumption and easy popularization.
Drawings
FIG. 1 is a schematic view of the whole of the present application
FIG. 2 is a schematic view of the present application after separation
Fig. 3 is a view of channel 3 in the present application: (a) schematic; (b) Expanded schematic diagram
Fig. 4 shows the structure of the lower channel 4: (a) schematic; (b) Expanded schematic diagram
FIG. 5 is an expanded view of the structure of the lower channel 4 of the present application
FIG. 6 is a schematic view of a positive pressure mode
FIG. 7 is a schematic view of a negative pressure mode
FIG. 8 is a schematic view showing the folding effect of the flexible cover after being removed
FIG. 9 is a foldable flexible cover of zipper design
FIG. 10 is a schematic view of a bottom mobile wheel system, lifting system, and flexible house
FIG. 11 is a schematic view of a lifting system
FIG. 12 is a schematic diagram of a control system according to an embodiment of the present application
Numerical marking:
the cleaning room comprises a cleaning room 1, a flexible cover body 1-1, a flexible connecting device 1-2-1, a bracket main body 1-3, a bottom frame 1-4, a strip 1-4-1, corner strips 1-4-2, a bridging device 1-5, a connecting rod piece 1-5-1 and a screw nut 1-5-2;
a disinfection platform 2, an upper channel 3 and a lower channel 4;
clean room 1: a lower interface 11, an upper interface 12; third air-vent 13
Disinfection platform 2: an input port 21 and an output port 22;
upper channel 3: an upper channel projecting rod 31, an upper channel support 32, an upper channel switching gate 33, an upper channel wall through hole 34; an upper channel first through hole 35, an upper channel second through hole 36;
lower channel 4: a lower channel projecting rod 41, a lower channel support 42, a lower channel switching gate 43, a lower channel wall through hole 44; a lower passage first through hole 45, a lower passage second through hole 46;
a flexible sleeve 461, a rubber ring 462, a hard plate 463;
Detailed Description
The following describes specific embodiments of the present application with reference to the drawings.
The technical solutions provided in the present application will be further described below with reference to specific embodiments and accompanying drawings. The advantages and features of the present application will become more apparent in conjunction with the following description.
It should be noted that the embodiments of the present application are preferably implemented, and are not limited to any form of the present application. The technical features or combinations of technical features described in the embodiments of the present application should not be regarded as isolated, and they may be combined with each other to achieve a better technical effect. Additional implementations may also be included within the scope of the preferred embodiments of the present application, and should be understood by those skilled in the art to which the examples of the present application pertain.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative and not limitative. Thus, other examples of the exemplary embodiments may have different values.
The drawings in the present application are all in a very simplified form and are all to a non-precise scale for the purpose of conveniently and clearly facilitating the description of the embodiments of the present application and are not intended to limit the limitations that the present application may implement. Any structural modification, proportional change or size adjustment should fall within the scope of the technical disclosure disclosed herein without affecting the effects and objectives achieved by the present application. And the same reference numbers appearing in the drawings throughout the application denote the same feature or element, and may be used in different embodiments.
Basic technical scheme
A movable positive and negative pressure ventilation biological cleaning room comprises a control system, is a difunctional switchable positive and negative pressure room working system, and is characterized in that the reconstruction and switching of a positive and negative pressure operation system can be realized functionally through a motor switching valve; realizing a positive and negative pressure double mode of the flexible cover body 1-1;
this positive negative pressure ventilation biological clean room is including portable detachable clean room 1, disinfection platform 2, go up passageway 3, lower passageway 4, removal wheel system and the lift system of bottom, clean room 1 forms flexible clean space through the main part that is flexible cover body 1-1 to and construct the passageway with disinfection platform 2 between, wherein:
the clean room 1 and the disinfection platform 2 are communicated through an upper channel 3 and a lower channel 4; the upper channel 3 is a hard connecting device and is used for fixing and communicating the clean room 1 and the disinfection platform 2; switching valves are respectively arranged in the channels of the upper channel 3 and the lower channel 4 so as to support two sets of positive pressure/negative pressure operation systems; the movable wheel body is arranged at the bottoms of the clean room 1 and the disinfection platform 2, and the lifting system is used for matching with the movable wheel system and the two sets of running systems; the upper channel 3 can support the clean room 1 and the disinfection platform 2 to move integrally.
Examples, specific:
the disinfection platform 2 sucks the gas to be treated through an inlet, an input port 21 is arranged at the bottom of the platform, an output port after the disinfection of the platform is clean and sterile safe gas, and an output port 22 is arranged at the top;
the upper channel 3 is used for connecting the upper interface 12 of the flexible cover body 1-1 and the output port 22 of the disinfection platform 2; a channel switching valve mechanism realized by a linear motor is arranged in the upper channel 3; and the upper channel 3 is provided with an upper channel first through hole 35 and an upper channel second through hole 36; the upper channel first through hole 35 is connected with the upper interface 12 of the clean room 1, and the upper channel second through hole 36 is connected with the output port 22 of the disinfection platform 2; the channel switching valve mechanism comprises an upper channel extension rod 31, an upper channel support 32, an upper channel switching door 33 and an upper channel wall through hole 34; in the upper channel 3, an upper channel extension rod 31 is connected with an upper channel switching door 33, and an upper channel support 32 and the upper channel switching door 33 are respectively arranged on two channel walls at opposite positions; the upper channel switching door 33 is controlled by the extension of the upper channel extension rod 31 to close the upper channel wall through hole 34 (regarded as a top window) of the upper channel 3 and open the upper channel 3, so that the upper channel 3 is communicated with the upper interface 12 of the clean room 1 to support the positive pressure mode; or the upper channel switching door 33 is controlled by the extension of the upper channel extension rod 31 to block the upper channel 3 and open the upper channel wall through hole 34 as a discharge port to support the negative pressure mode;
a design corresponding to the above: the lower channel 4 is used for connecting the lower interface 11 of the clean room 1 and the input port 21 of the disinfection platform 2; a channel switching valve mechanism realized by a linear motor is also arranged in the lower channel 4; and the lower channel 4 is provided with a lower channel first through hole 45 and a lower channel second through hole 46; the lower channel second through hole 46 is connected with the lower interface 11 of the clean room 1, and the lower channel first through hole 45 is connected with the input port 21 of the disinfection platform 2; the channel switching valve mechanism includes a lower channel projecting rod 41, a lower channel support 42, a lower channel switching gate 43, a lower channel wall through hole 44; in the lower channel 4, a lower channel extending rod 41 is connected with a lower channel switching door 43, and a lower channel support 42 and the lower channel switching door 43 are respectively arranged on two channel walls at opposite positions; the lower channel switching door 43 is controlled by the extension of the lower channel extension rod 41 to close the lower channel wall through hole 44 (regarded as a bottom tuyere) of the lower channel 4 and open the lower channel 4, so that the lower channel 4 is communicated with the lower interface 11 of the clean room 1 to support the negative pressure mode; or the lower channel switching door 43 is controlled by the extension and retraction of the upper channel extension rod 31 to block the lower channel 4 and open the lower channel wall through hole 44 (regarded as a bottom tuyere) as a suction port of natural air to support the positive pressure mode.
The clean room 1:
the flexible clean room 1 in the prior art is a flexible cover body 1-1, can only be a positive pressure room, and cannot realize a negative pressure room; the utility model realizes double functions for the first time. When the function needs to be replaced, the pipeline and the access opening must be manually adjusted, so that positive pressure or negative pressure is formed in the clean room 1 after operation, the use is inconvenient, and the labor cost is high. Therefore, the positive and negative pressure room combines the channel paths through the linear motor according to the function requirement to support different working modes.
The clean room 1 is a portable and detachable clean room 1 and comprises a flexible cover body 1-1, an air box 7 and a bracket main body 1-3; the flexible cover body 1-1 is made of flexible materials; the air box 7 is arranged on a bracket main body 1-3 formed by four struts; the flexible cover body 1-1 is attached to the support main body 1-3, a three-dimensional space is formed by the flexible cover body 1-1, the air box and the support main body 1-3 together, an upper interface 12 is arranged on the air box, a lower interface 11 is arranged below the flexible cover body 1-1, and a third air outlet 13 is arranged on the other side.
The flexible cover 1-1, by way of example and not limitation, may be selected from a soft plastic so as to be foldable, as shown in fig. 8; when opened, can enclose a three-dimensional space. In this application, the flexible material is generally available in the art as a flexible material by purchasing plastic films, glass fiber films, non-woven fabrics, etc. as opposed to boards such as wood boards, glass plates, etc., and the strength and toughness thereof can be selected according to the application requirements and bearing costs. By way of example and not limitation, the stent may be constructed of four cylinders.
Further, the lower interface 11 of the clean room 1 may be connected by a flexible sleeve 461 with an extended design, so as to connect the clean room 1 with the second through hole 46 of the lower channel of the sterilization platform 2: the outer port of the flexible sleeve 461 is provided with a plastic rubber ring 462, and the rubber ring 462 is provided with a groove structure; the second through hole 46 is provided with a hard plate 463, the hard plate 463 forms a hole matched with the size and shape of the rubber ring 462, and the plastic hard plate 463 of the rubber ring 462 is embedded into the groove structure of the rubber ring 462; the flexible sleeve 461 can be made of the same material as the clean room 1; thus, the connection between the hard lower channel second through hole 46 and the flexible clean room 1 is realized, the connection operation is convenient during engineering installation, and the special performance during the integral movement of the clean room 1 and the disinfection platform 2 can be adapted and protected.
For example, the flexible cover of the embodiment adopts a zipper mode to flexibly and movably connect each surface of the three-dimensional space, and the bottom of the three-dimensional space is connected with the bottom frame 1-4 through the flexible connecting device 1-2-1. More specifically, by way of example and not limitation, one side of the velcro may be mounted on the bottom edge of the flexible cover 1-1, while the other side is mounted on the upper surface of the frame, and by the suction capability of the velcro, the bottom of the flexible cover 1-1 forms a seamless flexible connection with the upper surface of the bottom frame 1-4.
The temporary access door can also be formed by adopting a zipper mode.
Foam materials (or 1CM sponge rubber strips) are attached to the bottoms of the bottom frames 1-4 and are placed on the ground; or, the bottom flexible body 1-2-2 of the flexible cover body 1-1 is made of cloth strip materials, is wrapped on the bottom frame 1-4 and is contacted with the ground; the bottom frames 1-4 are connected with the ground in a seamless way through cloth strips.
The space body of the flexible cover body 1-1 is designed to be a three-dimensional cover body formed by the top surface and the circumference. The top surface of the flexible cover 1-1 is served by an air box. By way of example and not limitation, the air box and the bracket form a hard frame which is covered outside in use and sleeved from top to bottom; when not in use, the utility model is taken from bottom to top. Or after the multiple faces of the three-dimensional space of the flexible cover body 1-1 are fixed on the bracket, the faces are combined through the longitudinal flexible connecting device 1-2-1.
Bottom moving wheel system and lifting system:
the portable detachable air sterilizer is matched with the movement of the cleaning cover, the wheels 6-1 are arranged at the bottom of the bracket, and the wheels 6-2 are also arranged at the bottom of the sterilizing platform 2, so that the portable detachable air sterilizer is convenient and meets the emergency need of emergency moving in a hospital or a temporary medical base. As shown in fig. 10 and 11.
Meanwhile, for convenience of use and disassembly, a bridging device 1-5 is provided between the stand main body 1-3 and the bottom frame 1-4. When moving, the bottom frame 1-4 is lifted up and pulled away from the ground by the bridging device 1-5, and the bottom frame 1-4 is fixed on the bracket main body 1-3 by the bridging device 1-5, so that the wheels are pushed to move to a new position and to be used in departments. After reaching the position, the bottom frame 1-4 is lowered to the ground through the bridging device 1-5, and the wheel 6-2 is locked in place through the bridging device 1-5 and limited on the bracket main body, so that the use is ensured to be stable and reliable.
The bridge device 1-5 is structurally realized: the connecting rod comprises two connecting rod pieces 1-5-1 and screw nuts 1-5-2, wherein the two connecting rod pieces 1-5-1 are prefabricated with vertical strip holes, one connecting rod piece is used for connecting a bracket main body 1-3, the other connecting rod piece is connected with a bottom frame 1-4, and the screw nuts 1-5-2 penetrate through the two vertical strip holes and are screwed for temporary fixing or limiting.
The bottom frame 1-4 structure realizes: an integral casting; or comprises a strip 1-4-1 and a corner strip 1-4-2, which are overlapped by a connecting sheet 1-4-3. If necessary, the bottom frame 1-4 may be additionally provided with a weight (not shown) to press the weight at the strip 1-4-1 when the bridge 1-5 is lowered and contacts the ground to cope with stability when operating in the negative pressure mode.
And (3) a control system:
the control system comprises a controller and a human-computer interface, wherein the output of the controller is in driving connection with the electric drive of the disinfection platform 2 system and the two linear motors in the upper and lower channels; the human-computer interface output is connected with the input of the controller.
Setting an operation mode, time, prefabricated parameters and the like through a human-computer interface, and synchronously outputting a positive pressure instruction signal or a negative pressure instruction signal driven by a linear motor in an upper channel and a lower channel by a controller so as to realize switching of a positive and negative pressure operation system and prepare for system construction;
then, the controller outputs the electric drive start of the sterilization platform 2 system to run the corresponding mode; after the operation is finished, the controller outputs the electric drive of the sterilization platform 2 system to be closed, and finally controls the linear motor to drive and adjust the two channels to be in an initialized state synchronously;
the system waits for the human-machine interface to accept the new instruction.
For example, and not by way of limitation, the control system may be mounted on the disinfection platform 2 as is required for convenience and space-wise integration. As an application, the control system is as in fig. 12.
The core components of the flexible cover 1-1 are: the flexible three-dimensional space, the flexible connecting device 1-2-1 and the bottom frame 1-4 form a medical positive and negative pressure dual-functional space, and the medical positive and negative pressure dual-functional space is particularly applied:
in positive pressure mode, as shown in fig. 7:
the bottom frame 1-4 is lifted and fixed by the bridging means 1-5, forming a certain gap with the ground. Coordinating the upper and lower channels into positive pressure mode preparation by a control system, namely: the lower channel wall through hole 44 (regarded as a bottom tuyere) of the lower channel 4 introduces natural air from the outside (simultaneously cuts off the lower channel 4, i.e. breaks the connection between the lower channel 4 and the lower interface 11 of the clean room 1), the natural air enters the inlet of the disinfection platform 2 and completes disinfection in the disinfection platform 2, clean sterile safety gas is poured into the space from the top of the clean room 1 through the gas tank through the unobstructed upper channel 3 and the upper interface 12 of the clean room 1 from the outlet of the disinfection platform 2 to form a positive pressure environment, a part of gas under positive pressure is discharged from the third air port 13 of the clean room 1, and most of gas under positive pressure is discharged from a gap formed between the bottom of the flexible cover and the ground. This is a positive pressure mode. The positive pressure medical functional room is formed in situ for protecting the weak or the operator.
In negative pressure mode, as shown in fig. 7:
the flexible cover body 1-1 forms a closed three-dimensional space through the flexible connecting device 1-2-1. At the same time, the bottom frame 1-4 is put down and fixed by the bridging device 1-5, and is in close contact with the ground. A counterweight (not shown) may be pressed at the bars 1-4-1 as necessary to ensure stability of the bottom frame 1-4 against ground when operating in a negative pressure mode. Simultaneously, the control system coordinates the upper and lower channels to enter a negative pressure mode for preparation, namely: the three-dimensional space of the flexible cover body 1-1 is provided with a third air vent 13; the lower channel wall through hole 44 (regarded as a bottom tuyere) of the lower channel 4 is closed, and simultaneously the lower channel 4 channel is opened, namely, the lower channel 4 is communicated with the lower interface 11 of the clean room 1; under negative pressure, natural air enters from a third air port 13 of the clean room 1, enters the air inlet 21 of the disinfection platform 2 through a lower interface 11, a smooth lower channel 4 and an input port 21 of the disinfection platform 2 of the clean room 1 to be disinfected, and enters the upper channel 3 from an outlet of the disinfection platform 2 after the air in the clean room 1 enters the input port 21 of the disinfection platform 2 to be disinfected, and is discharged into the outside through an upper channel wall through hole 34 (regarded as a top window) of the upper channel 3; this is a positive pressure mode. The in situ negative pressure medical functional room is formed for isolating an infectious agent patient or a suspected patient.
Under the positive pressure mode, the device can be used as a ward suitable for patients with low immunity and needing special isolation protection of non-infectious sources or mother and infant groups. In positive pressure mode, the patient is considered a clean room. For providing safe and clean air to the whole ward space and forming air flow from top to bottom so that positive pressure is obtained in the ward relative to the outside, thereby protecting the patient. The method has great special value when the disease is in the pandemic state of malignant infectious viruses such as influenza viruses, coronaviruses and the like and medical resources are insufficient.
In negative pressure mode, the functional room is considered an isolated ward. Providing fresh natural air for the whole ward space; so that the inside of the sick house is negative pressure relative to the outside, stable air flow is formed, and the air is discharged after disinfection, thereby protecting the safety of the environment. Negative pressure house applications, such as new coronaviruses today, require management, monitoring, and treatment of patients as well as suspected patients. In emergency situations, it is particularly important and critical to quickly provide and move out of the negative pressure room. Arranging a new patient/suspected patient to enter a resident negative pressure room, and starting medical equipment to timely treat and rescue;
the cover body is convenient to construct a flexible negative pressure functional room, and is easy to popularize.
The above description is merely illustrative of the preferred embodiments of the present application and is not intended to limit the scope of the present application in any way. Any alterations or modifications of the above disclosed technology by those of ordinary skill in the art should be considered equivalent and valid embodiments, which fall within the scope of the present application.
Claims (3)
1. A movable positive and negative pressure ventilation biological cleaning room comprises a control system, is a difunctional switchable positive and negative pressure room working system, and is characterized in that the reconstruction and switching of a positive and negative pressure operation system can be realized functionally through a motor switching valve; realizing a positive and negative pressure double mode of the flexible cover body (1-1);
this positive negative pressure ventilation biological clean room is including portable detachable clean room (1), disinfection platform (2), go up passageway (3), lower passageway (4), removal wheel system and the lift system of bottom, clean room (1) form flexible clean space through main part flexible cover body (1-1) to and construct the passageway between disinfection platform (2), wherein:
the clean room (1) and the disinfection platform (2) are communicated through an upper channel (3) and a lower channel (4); the upper channel (3) is a hard connecting device and is used for fixing and communicating the clean room (1) and the disinfection platform (2); switching valves are respectively arranged in the channels of the upper channel (3) and the lower channel (4) so as to support two sets of positive pressure/negative pressure operation systems; the movable wheel body is arranged at the bottoms of the clean room (1) and the disinfection platform (2), and the lifting system is used for matching with the movable wheel system and the two sets of running systems; the upper channel (3) can support the clean room (1) and the disinfection platform (2) to move integrally;
the disinfection platform (2) sucks the gas to be treated through an input port (21), the input port (21) is arranged at the bottom of the platform, an output port (22) is clean and sterile safe gas after the platform is disinfected, and the output port (22) is arranged at the top;
the upper channel (3) is used for connecting an upper interface (12) of the flexible cover body (1-1) and an output port (22) of the disinfection platform (2); a channel switching valve mechanism realized by a linear motor is arranged in the upper channel (3); the upper channel (3) is provided with an upper channel first through hole (35) and an upper channel second through hole (36); the first through hole (35) of the upper channel is connected with the upper interface (12) of the clean room (1), and the second through hole (36) of the upper channel is connected with the output port (22) of the disinfection platform (2); the channel switching valve mechanism comprises an upper channel extending rod (31), an upper channel support (32), an upper channel switching door (33) and an upper channel wall through hole (34); in the upper channel (3), an upper channel extending rod (31) is connected with an upper channel switching door (33), and an upper channel support (32) and the upper channel switching door (33) are respectively arranged on two channel walls at opposite positions; an upper channel switching door (33) is controlled by the extension of an upper channel extension rod (31) to close an upper channel wall through hole (34) of the upper channel (3) and open the upper channel (3), so that the upper channel (3) is communicated with an upper interface (12) of the clean room (1) to support a positive pressure mode; or the upper channel (3) is plugged by the telescopic control upper channel switching door (33) of the upper channel extending rod (31) and the upper channel wall through hole (34) is opened as a discharge port to support a negative pressure mode;
a design corresponding to the above: the lower channel (4) is used for connecting a lower interface (11) of the clean room (1) and an input port (21) of the disinfection platform (2); a channel switching valve mechanism realized by a linear motor is also arranged in the lower channel (4); the lower channel (4) is provided with a lower channel first through hole (45) and a lower channel second through hole (46); the lower channel second through hole (46) is connected with a lower interface (11) of the clean room (1), and the lower channel first through hole (45) is connected with an output port (22) of the disinfection platform (2); the channel switching valve mechanism comprises a lower channel extending rod (41), a lower channel support (42), a lower channel switching door (43) and a lower channel wall through hole (44); in the lower channel (4), a lower channel extending rod (41) is connected with a lower channel switching door (43), and a lower channel support (42) and the lower channel switching door (43) are respectively arranged on two channel walls at opposite positions; a lower channel switching door (43) is controlled by the extension and retraction of a lower channel extension rod (41) to close a lower channel wall through hole (44) of the lower channel (4) and open the lower channel (4), so that the lower channel (4) is communicated with a lower interface (11) of the clean room (1) to support a negative pressure mode; or the lower channel switching door (43) is controlled by the extension and retraction of the upper channel extension rod (31) to block the lower channel (4) and open the lower channel wall through hole (44) to be an input port (21) of natural air so as to support the positive pressure mode;
the bottom moving wheel system and the lifting system are as follows:
wheels (6-1) are arranged at the bottom of the bracket, and wheels (6-2) are also arranged at the bottom of the disinfection platform (2);
the bridge device (1-5) is structurally realized: the connecting rod comprises two connecting rod pieces (1-5-1) and screw nuts (1-5-2), wherein the two connecting rod pieces (1-5-1) are prefabricated with vertical strip holes, one connecting rod piece is used for connecting a bracket main body (1-3), the other connecting rod piece is connected with a bottom frame (1-4), and the screw nuts (1-5-2) penetrate through the two vertical strip holes and are screwed for temporary fixing or limiting;
the bottom frame (1-4) is structurally realized: an integral casting; or comprises a strip (1-4-1) and a corner strip (1-4-2), which are overlapped by a connecting sheet (1-4-3);
in positive pressure mode:
lifting the bottom frame (1-4) through the bridging device (1-5) and fixing the bottom frame and forming a certain gap with the ground; coordinating the upper and lower channels into positive pressure mode preparation by a control system, namely: the lower channel wall through hole (44) of the lower channel (4) introduces natural air from the outside, meanwhile, the lower channel (4) is cut off, namely, the lower channel (4) is disconnected and connected with the lower interface (11) of the clean room (1), the natural air enters the input port (21) of the disinfection platform (2) and completes disinfection in the disinfection platform (2), clean sterile safety gas is poured into the space from the top of the clean room (1) through the gas tank through the upper channel (3) and the upper interface (12) of the clean room (1) from the output port (22) of the disinfection platform, a positive pressure environment is formed, a part of gas under the positive pressure is discharged out of the clean room (1) from the third gas port (13) of the clean room (1), and most of gas under the positive pressure is discharged from a gap formed between the bottom of the flexible cover and the ground;
in negative pressure mode:
the flexible cover body (1-1) forms a closed three-dimensional space through the flexible connecting device (1-2-1); simultaneously, the bottom frame (1-4) is put down and fixed through the bridging device (1-5) and is tightly contacted with the ground; simultaneously, the control system coordinates the upper and lower channels to enter a negative pressure mode for preparation, namely: the three-dimensional space of the flexible cover body (1-1) is provided with a third air vent (13); the lower channel wall through hole (44) of the lower channel (4) is closed, and simultaneously the lower channel (4) is opened, namely the lower channel (4) is communicated with the lower interface (11) of the clean room (1); under negative pressure, natural air enters from a third air outlet (13) of the clean room (1), enters into an input port (21) of the disinfection platform (2) through a lower interface (11) of the clean room (1), a clear lower channel (4) and an input port (21) of the disinfection platform (2) through air in the clean room (1) to be disinfected, finishes disinfection in the disinfection platform (2), enters into an upper channel (3) from an output port (22) of the disinfection platform (2), and is discharged into the outside through an upper channel wall through hole (34) of the upper channel (3); this is a positive pressure mode.
2. The portable positive and negative pressure ventilation biological cleaning house of claim 1, wherein,
the clean room (1) is a portable and detachable clean room (1) and comprises a flexible cover body (1-1), an air box (7) and a bracket main body (1-3); the flexible cover body (1-1) is made of flexible materials; the air box (7) is arranged on a bracket main body (1-3) formed by four struts; the flexible cover body (1-1) is attached to the support main body (1-3), a three-dimensional space is formed by the flexible cover body (1-1), the air box and the support main body (1-3), an upper interface (12) is arranged on the air box, a lower interface (11) of the clean room (1) is arranged below the flexible cover body (1-1), and a third air vent (13) is arranged on the other side.
3. The portable positive and negative pressure ventilation biological cleaning house of claim 1, wherein,
further, the lower interface (11) of the clean room (1) is connected by adopting a flexible sleeve (461) extension design and is used for realizing the connection of the clean room (1) and the second through hole (46) of the lower channel of the disinfection platform (2): the outer port of the flexible sleeve (461) is provided with a plastic rubber ring (462), and the rubber ring (462) is provided with a groove structure; the lower channel second through hole (46) is provided with a hard plate (463), the hard plate (463) forms a hole matched with the rubber ring (462) in size and shape, and the plastic hard plate (463) of the rubber ring (462) is embedded into the groove structure of the rubber ring (462); the flexible sleeve (461) is made of the same material as the clean room (1); therefore, the connection between the hard lower channel second through hole (46) and the flexible clean room (1) is realized, the connection operation is convenient during engineering installation, and the special performance during the integral movement of the clean room (1) and the disinfection platform (2) can be adapted and protected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111411839.0A CN113982121B (en) | 2021-11-19 | 2021-11-19 | Portable biological cleaning movable house with switchable positive and negative pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111411839.0A CN113982121B (en) | 2021-11-19 | 2021-11-19 | Portable biological cleaning movable house with switchable positive and negative pressure |
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| Publication Number | Publication Date |
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| CN113982121A CN113982121A (en) | 2022-01-28 |
| CN113982121B true CN113982121B (en) | 2023-05-05 |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2633444Y (en) * | 2003-06-03 | 2004-08-18 | 李铁生 | Flexible isolation cover special for treating epidemic patient |
| FR3109206B1 (en) * | 2020-04-08 | 2022-03-25 | Airinspace | Clean room with mobile filtration unit |
| CN212416204U (en) * | 2020-06-16 | 2021-01-29 | 青岛市黄岛区妇幼保健院 | Disposable negative pressure isolation hood |
| CN111910959A (en) * | 2020-07-15 | 2020-11-10 | 威海艾佳医用设备有限公司 | Movable marrow transplantation storehouse |
| CN111706122A (en) * | 2020-07-20 | 2020-09-25 | 赵庆峰 | Multidirectional flexible lift shelter |
| CN213774651U (en) * | 2020-09-27 | 2021-07-23 | 北京同方洁净技术有限公司 | Dual-mode switching isolation system |
| CN113356596A (en) * | 2021-04-07 | 2021-09-07 | 杭州闪易科技有限公司 | Closed space construction method based on flexible material and rigid support structure |
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