CN111156633A - Fresh air system for cleaning and use method thereof - Google Patents
Fresh air system for cleaning and use method thereof Download PDFInfo
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- CN111156633A CN111156633A CN202010088849.4A CN202010088849A CN111156633A CN 111156633 A CN111156633 A CN 111156633A CN 202010088849 A CN202010088849 A CN 202010088849A CN 111156633 A CN111156633 A CN 111156633A
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- air
- fresh air
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- return
- return air
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000004140 cleaning Methods 0.000 title claims abstract description 19
- 238000002955 isolation Methods 0.000 claims abstract description 60
- 238000004378 air conditioning Methods 0.000 claims abstract description 21
- 230000008030 elimination Effects 0.000 claims abstract description 4
- 238000003379 elimination reaction Methods 0.000 claims abstract description 4
- 230000030279 gene silencing Effects 0.000 claims description 9
- 239000008280 blood Substances 0.000 claims description 3
- 210000004369 blood Anatomy 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 description 24
- 230000007306 turnover Effects 0.000 description 12
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 238000003303 reheating Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0003—Exclusively-fluid systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- 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
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
-
- 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
Abstract
The invention relates to a fresh air system for cleaning and a using method thereof. Clean new trend system for operating room includes outer wall, isolation room, operating table, noise elimination direct current fan unit and two air conditioning unit, the relative both sides of outer wall are provided with the fresh air inlet respectively, two all be provided with the medium efficiency filter in the fresh air inlet, the isolation room set up in the outer wall, the isolation room with be formed with the new trend space between the outer wall, the relative both sides of isolation room are provided with two sets of return air inlets respectively, and every group the return air inlet includes first return air inlet and the second return air inlet that mutual interval set up, first return air inlet with all be provided with the medium efficiency filter in the second return air inlet. The fresh air system for the clean operating room is simple in structure. The invention provides a use method of a fresh air system for cleaning.
Description
Technical Field
The invention relates to a fresh air system for cleaning and a using method thereof.
Background
In a medical operating room, certain cleanliness needs to be achieved, bacteria and dust in the air are reduced, and in order to keep the operating room in a clean state and in a state with appropriate temperature and humidity, a fresh air system is generally adopted for realization. However, the general fresh air system adopts various pipelines to convey fresh air and return air, so that the structure of the fresh air system is complex.
Disclosure of Invention
Therefore, a need exists for a fresh air system for a clean operating room and a method of using the same.
A fresh air system for cleaning and a using method thereof comprise an outer wall, an isolation room, an operating table, a silencing direct current fan unit and two air conditioning units, wherein fresh air ports are respectively arranged at two opposite sides of the outer wall, a middle-effect filter is respectively arranged in the two fresh air ports, the isolation room is arranged in the outer wall, a fresh air space is formed between the isolation room and the outer wall, two groups of return air ports are respectively arranged at two opposite sides of the isolation room, each group of return air ports comprises a first return air port and a second return air port which are arranged at intervals, the middle-effect filters are respectively arranged in the first return air port and the second return air port, the operating table is arranged in the isolation room, the silencing direct current fan unit is arranged at the top of the isolation room and used for conveying fresh air into the isolation room, the two air conditioning units are respectively arranged at two opposite sides of the isolation room, and the first air return opening and the second air return opening of each air return opening are respectively positioned below and above the corresponding air conditioning unit.
In one embodiment, the position of the fresh air opening is aligned with the position of the first return air opening.
In one embodiment, the muffling direct current fan unit is located in the fresh air space.
In one embodiment, the surgical table includes a support base and a surgical table plate mounted atop the support base.
In one embodiment, the operation table plate is a rectangular table plate, a supporting surface is formed on the operation table plate, and a blood transfusion device is arranged on one side of the operation table.
In one embodiment, the fresh air space comprises a lateral space surrounding the sidewall of the compartment and a head space at the top of the compartment.
In one embodiment, the two air conditioning units are both located in the lateral space and the muffling direct current fan unit is located in the head space.
In one embodiment, an exhaust duct is provided at the top of the outer wall, the exhaust duct communicating with the headspace.
In one embodiment, the exhaust duct is an elliptical duct, one end of the exhaust duct is convexly arranged outside the outer wall, and the extending direction of the exhaust duct is parallel to the ground.
A fresh air system for cleaning and a use method thereof comprise the following steps: introducing outside fresh air into the side space by using the fresh air inlet; guiding primary return air to the side space by using the first return air inlet; the outside fresh air and the primary return air are mixed to form mixed air, and the mixed air flows to the upper part of the lateral space through the air conditioning unit; the second return air inlet guides secondary return air to the side space, and the mixed air and the secondary return air are mixed with each other to form final mixed air and flow to the top space; and the silencing direct current fan unit conveys the final mixed air downwards into the isolation chamber.
When the fresh air system for the clean operating room is used, external fresh air is introduced into the fresh air space through the fresh air opening; guiding primary return air to the fresh air space by using the first return air inlet; the outside fresh air and the primary return air are mixed to form mixed air, and the mixed air flows to the upper part of the fresh air space through the air conditioning unit; the second return air inlet guides secondary return air to the fresh air space, and the mixed air and the secondary return air are mixed with each other to form final mixed air and flow to the silencing direct current fan unit; and the silencing direct current fan unit conveys the final mixed air downwards into the isolation chamber. Because in the fresh air system for the clean operating room, a pipeline is cancelled, and a fresh air space is formed by the outer wall and the space in the isolated type, the structure of the fresh air system for the clean operating room is simpler. The mixed air meets secondary return air after passing through the air conditioning unit, so that the secondary return air does not increase the load in the isolation room, but improves the air supply temperature and can save reheating heat.
Drawings
Fig. 1 is a schematic cross-sectional view of a fresh air system for a clean operating room according to an embodiment.
Fig. 2 is a schematic perspective view of a flow spreading structure according to an embodiment.
Fig. 3 is a perspective view of a drawing diffuser plate according to an embodiment.
Fig. 4 is a partially enlarged view of a portion a in fig. 3.
Fig. 5 is a partially enlarged view of fig. 3 at B.
FIG. 6 is a flowchart illustrating steps of a fresh air system for a clean operating room according to an embodiment.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention relates to a fresh air system for cleaning and a using method thereof. For example, the fresh air system for the clean operating room comprises an outer wall, an isolation room, an operating table, a noise elimination direct current fan unit and two air conditioning units. For example, fresh air openings are respectively arranged on two opposite sides of the outer wall, medium-efficiency filters are arranged in the two fresh air openings, and the isolation chamber is arranged in the outer wall. For example, a fresh air space is formed between the isolation chamber and the outer wall, two groups of air return openings are respectively arranged on two opposite sides of the isolation chamber, and each group of air return openings comprises a first air return opening and a second air return opening which are arranged at intervals. For example, the first air return opening and the second air return opening are both provided with a medium-efficiency filter, the operating table is arranged in the isolation chamber, and the silencing direct current fan unit is arranged at the top of the isolation chamber and used for conveying fresh air into the isolation chamber. For example, the two air conditioning units are respectively arranged on two opposite sides of the isolation chamber and are both positioned in the fresh air space. For example, the first air return opening and the second air return opening of each group of air return openings are respectively positioned below and above the corresponding air conditioning unit.
Referring to fig. 1, a fresh air system for cleaning and a method for using the same, includes an outer wall 10, an isolation chamber 20, an operating table 30, a noise-reduction direct current fan unit 40, and two air conditioning units 50, wherein fresh air inlets 11 are respectively disposed on two opposite sides of the outer wall 10, a middle filter 111 is disposed in each of the two fresh air inlets 11, the isolation chamber 20 is disposed in the outer wall 10, a fresh air space 25 is formed between the isolation chamber 20 and the outer wall 10, two air return inlets 23 are respectively disposed on two opposite sides of the isolation chamber 20, each air return inlet 23 includes a first air return inlet 231 and a second air return inlet 233 which are spaced from each other, a middle filter 235 is disposed in each of the first air return inlet 231 and the second air return 233, the noise-reduction direct current fan unit 40 is disposed at the top of the isolation chamber 20 and is configured to convey fresh air into the isolation chamber 20, the two air conditioning units 50 are respectively disposed on two opposite, and are all located in the fresh air space 25, and the first air return 231 and the second air return 233 of each air return 23 are respectively located below and above the corresponding air conditioning unit 50.
When the fresh air system for the clean operating room is used, external fresh air is introduced into the fresh air space 25 through the fresh air port 11; the first return air inlet 231 is used for guiding the primary return air to the fresh air space 25; the outside fresh air and the primary return air are mixed to form mixed air, and the mixed air flows to the upper part of the fresh air space 25 through the air conditioning unit 50; the second return air inlet 233 guides the secondary return air to the fresh air space 25, and the mixed air and the secondary return air are mixed with each other to form final mixed air and flow to the muffling direct current fan unit 40; the muffling direct current fan unit 40 delivers the final mixed air downward into the isolation chamber 20. As the pipeline is omitted in the fresh air system for the clean operating room, the fresh air space 25 is formed by the outer wall 10 and the isolated inner space, so that the structure of the fresh air system for the clean operating room is simpler. Since the mixed air is subjected to secondary return air after passing through the air conditioning unit 50, the secondary return air does not increase the load in the isolation room 20, but improves the supply air temperature, and can save reheating heat.
For example, to facilitate supporting the patient's body, the position of the fresh air opening 11 is aligned with the position of the first return air opening 231. The silencing direct current fan set 40 is positioned in the fresh air space 25. The operating table 30 includes a support base 31 and an operating table plate 33, and the operating table plate 33 is mounted on top of the support base 31. The operation table 33 is a rectangular table, a support surface is formed on the operation table 33, and a blood transfusion device (not shown) is provided on one side of the operation table 30. By arranging the operating table 30, the body of the patient can be supported by the operating table plate 33 conveniently, and the supporting efficiency is improved.
For example, to facilitate the discharge of a portion of the final mixed air from the fresh air space 25 for the fresh air cycle, the fresh air space 25 includes a lateral space 251 surrounding the side walls of the compartment 20 and a top space 253 at the top of the compartment 20. Both air conditioning packs 50 are located in the lateral space 251 and the muffling dc fan pack 40 is located in the headspace 253. An exhaust duct 16 is provided on the top of the outer wall 10, and the exhaust duct 16 communicates with the headspace 253. The exhaust duct 16 is an elliptical duct, one end of the exhaust duct 16 is protruded out of the outer wall 10, and the extending direction of the exhaust duct 16 is parallel to the ground. By providing the exhaust duct 16 on the top of the outer wall 10, the exhaust duct 16 communicates with the headspace 253, so that the air in the fresh air space 25 can be exhausted from the isolation room 20 by the exhaust duct 16.
For example, it is particularly important to refer to fig. 2 to 5 in order to facilitate the downward wind flow, the muffling dc fan set 40 includes a plurality of dc fans 41 and a flow dispersing structure 60, the plurality of dc fans 41 are disposed at the top of the isolation room 20 side by side, and the flow dispersing structure 60 is disposed at the bottom of the plurality of dc fans 41 to guide the final mixed wind delivered by the plurality of dc fans 41 into the isolation room 20. Each direct current fan 41 comprises a fan, a silencer and a filter screen plate which are arranged from top to bottom in sequence. The diffusing structure 60 comprises a separating plate 61 and a drawing diffusing pore plate 63 embedded in the top of the isolation chamber 20, the top of the separating plate 61 faces the filter mesh plate of the plurality of direct current fans 41, and the separating plate 61 is flat and parallel to the ground of the isolation chamber 20. The middle of the isolation plate 61 is provided with a ventilation groove 611 in a penetrating manner, the ventilation groove 611 divides the isolation plate 61 into a first plate body 612 and a second plate body 613, the ventilation groove 611 communicates the isolation chamber 20 and the plurality of direct current fans 41, two opposite sides of the first plate body 612 are respectively provided with a connecting strip 6121 in a protruding manner, the two connecting strips 6121 are respectively fixedly connected with two opposite sides of the second plate body 613, the ventilation groove 611 is located between the two connecting strips 6121, the two connecting strips 6121 are both provided with a wind shielding positioning plate 614 in a protruding manner, the two wind shielding positioning plates 614 extend towards the ground of the isolation chamber 20, and the wind shielding positioning plate 614 is provided with a triangular positioning groove 615 in a. The edge of the wind-shielding positioning plate 614 is arranged at the side of the ventilation groove 611, the first plate body 612 and the second plate body 613 are both provided with insertion grooves, the two insertion grooves extend along the length direction of the isolation plate 61, and the two insertion grooves are communicated through the ventilation groove 611. A shifting slot 616 is formed on one side of the isolation plate 61 facing the isolation chamber 20, and the shifting slot 616 extends along the length direction of the isolation plate 61 and extends to the first plate 612 and the second plate 613. The toggle slot 616 communicates with the two insertion grooves, and the vent groove 611 is located at the middle of the toggle slot 616. Opposite ends of the pull-type diffusing pore plate 63 respectively penetrate through the two inserting grooves of the isolation plate 61 in a sliding manner, and the middle part of the pull-type diffusing pore plate 63 is blocked with a ventilation groove 611. The final mixed air in the plurality of direct current fans 41 flows to the operating room through the drawing type diffusing hole plate 63. The top of the two wind shielding positioning plates 614 support two opposite side edges of the drawing diffuser plate 63.
For example, in order to adjust the ventilation amount of the ventilation groove 611, the pull-out diffuser plate 63 includes an elastic pull frame 631, and a first inserting plate 632, a first flipping plate 633, a second flipping plate 634 and a second inserting plate 635 which are connected in sequence in a rotating manner, the first inserting plate 632 is slidably inserted into the inserting groove of the first plate 612, the second inserting plate 635 is slidably inserted into the inserting groove of the second plate 613, and the first flipping plate 633 and the second flipping plate 634 are located in the ventilation groove 611 and abut against between the two wind blocking positioning plates 614. The elastic pulling frame 631 is installed on the first flipping plate 633 and adjacent to the edge of the first inserting plate 632, and the elastic pulling frame 631 abuts against the edge of the first plate 612 facing the second plate 613 and is aligned with the toggle slot 616. The first inserting plate 632, the first overturning plate 633, the second overturning plate 634 and the second inserting plate 635 are respectively provided with a plurality of first meshes 6321, a plurality of second meshes 6331, a plurality of third meshes 6341 and a plurality of fourth meshes 6351, the density of the plurality of first meshes 6321 of the first inserting plate 632 is a first density, the density of the plurality of second meshes 6331 of the first overturning plate 633 is a second density, the density of the plurality of third meshes 6341 of the second overturning plate 634 is a third density, the density of the plurality of fourth meshes 6351 of the second inserting plate is a fourth density, and the first density, the second density, the third density and the fourth density 635 are gradually reduced. By shifting the elastic pulling frame 631 to move left and right in the shifting slot 616, the first inserting plate 632, the first turning plate 633, the second turning plate 634 and the second inserting plate 635 can be respectively aligned with the ventilation slot 611, and then the ventilation amount is adjusted.
For example, in order to change the air outlet direction, the width of the first turning plate 633 is equal to that of the second turning plate 634, the width of the first inserting plate 632 is equal to that of the second inserting plate 635, in an embodiment, the width of the first turning plate 633 is smaller than that of the first inserting plate 632, the distance between the two wind shielding positioning plates 614 is equal to that of the first turning plate 633, and the distance between the two wind shielding positioning plates 614 is smaller than that of the first inserting plate 632, so that the first inserting plate 632 and the second inserting plate 635 can only pass through the ventilation slot 611 and cannot go beyond the ventilation slot 611. The first turning plate 633 and the second turning plate 634 can go beyond the ventilation slot 611 and are positioned at an inclined angle through the two wind shielding positioning plates 614, so that the final mixed wind in the ventilation slot 611 flows out from the first turning plate 633 or the second turning plate 634, and the wind outlet direction is changed.
For example, in order to facilitate the pulling and pulling type diffuser plate 63, the elastic pulling frame 631 includes a fixing frame 6311, two abutting plates 6313 and an arc-shaped elastic sheet 6315, the fixing frame 6311 is fixed on the edge of the first turning plate 633 close to the first inserting plate 632, the two abutting plates 6313 are both rotatably connected to the fixing frame 6311, the height of the fixing frame 6311 is greater than the height of the two abutting plates 6313, and the two opposite ends of the arc-shaped elastic sheet 6315 are respectively connected to the ends of the two abutting plates 6313 far away from the fixing frame 6311, so that the two abutting plates 6313 are opened. The two abutting plates 6313 are used for abutting against the edge of the ventilation slot 611 and are respectively located at two opposite sides of the toggle slot 616, so that the fixing frame 6311 of the first flipping plate 633 is forced to drive the second flipping plate 634 to flip, so that the first flipping plate 633 and the second flipping plate 634 flip together to form a triangle plate frame (see fig. 3), and two opposite ends of the triangle plate frame abut against and are located in the positioning slots 615 of the two wind-shielding positioning plates 614. The two abutting plates 6313 are further used for moving and contracting in opposite directions when pressed, and then abutting against the two opposite inner side walls of the shifting slot 616 respectively, so as to press and hold the arc-shaped elastic sheet 6315 to deform, so that the fixing frame 6311 can drive the pull-out type diffusing hole plate 63 to move left and right when pressed, and further change the ventilation volume of the ventilation slot 611.
For example, in order to ventilate one side of the triangular plate frame to change the flow direction of the final mixed air, i.e. to ventilate the first turnover plate 633 or ventilate the second turnover plate 634 individually, the pull-type diffuser plate 63 further comprises two elastic sealing rolls 638, the opposite edges of the first turnover plate 633 and the second turnover plate 634 are formed with arc-shaped grooves 6338, the arc-shaped grooves 6338 extend along the width direction of the first turnover plate 633 or the width direction of the second turnover plate 634, the edges of the arc-shaped grooves 6338 of the first turnover plate 633 are rotatably connected with the edges of the arc-shaped grooves 6338 of the second turnover plate 634, and the two elastic sealing rolls 638 are respectively disposed in the two arc-shaped grooves 6338 and are pressed between the first turnover plate 633 and the second turnover plate 634. The edge of one side of the first turning plate 633 away from the second turning plate 634 is provided with an adhesive area. When the first turning plate 633 and the second turning plate 634 are turned to form the triangular plate frame, the two arc-shaped grooves 6338 are exposed to the outside, one of the two elastic sealing rolls 638 is alternatively stretched to shield the first turning plate 633 or the second turning plate 634 and is fixed on the adhesive region, so that finally mixed air independently flows into the isolation chamber 20 from the first turning plate 633 or the second turning plate 634 which are obliquely arranged, and then the air flow direction is changed, so that the flow dispersing structure 60 is convenient to use.
Referring to fig. 6, a method for using the above fresh air system for clean operating room includes the following steps:
in step S101, outside fresh air is introduced into the lateral space 251 through the fresh air inlet 11;
in step S102, the first return air inlet 231 is used to guide the primary return air to the side space 251;
in step S103, the fresh air and the primary return air are mixed to form a mixed air, and the mixed air flows to the upper side of the side space 251 through the air conditioning unit 50;
in step S104, the second return air inlet 233 guides the secondary return air to the side space 251, and the mixed air and the secondary return air are mixed with each other to form final mixed air and flow to the headspace 253; and
in step S105, the noise elimination dc fan unit 40 sends the final mixed air downward into the isolation room 20.
Step S105 specifically includes: the plurality of direct current fans 41 guide the final mixed wind to the ventilation groove 611 of the partition board 61; the fixed shifting frame 6311 is driven to move in the shifting slot 616 to move the pull-type diffuser orifice plate 63 left and right, so that the first inserting plate 632, the first turning plate 633, the second turning plate 634 or the second inserting plate 635 are aligned with the ventilation groove 611, and the ventilation amount of the ventilation groove 611 is changed, at this time, the two abutting plates 6313 abut against two opposite side walls of the shifting slot 616 respectively to press the arc-shaped elastic sheet 6315 to deform, and the pull-type diffuser orifice plate 63 is positioned on the isolation plate 61;
the toggle elastic pulling frame 631 moves to the edge of the first plate 612 facing the second plate 613, the two abutting plates 6313 are opened under the action of the arc-shaped elastic sheet 6315 to abut against the edge of the ventilation slot 611 and are respectively located at the two opposite sides of the toggle slot 616, the fixing frame 6311 of the first turning plate 633 drives the second turning plate 634 to turn over after being stressed, so that the first turning plate 633 and the second turning plate 634 turn over together to form a triangle plate frame, and the two opposite ends of the triangle plate frame abut against and are located in the positioning slots 615 of the two wind shielding positioning plates 614; and
alternatively, one of the two elastic sealing rolls 638 is stretched over the first or second turning plate 633, 634 and fixed to the adhesive region, so that the resulting mixed air flows into the isolation chamber 20 separately from the obliquely arranged first or second turning plate 633, 634.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A fresh air system for cleaning and a using method thereof are characterized by comprising an outer wall (10), an isolation room (20), an operating table (30), a silencing direct current fan unit (40) and two air conditioning units (50), wherein fresh air ports (11) are respectively arranged on two opposite sides of the outer wall (10), medium-efficiency filters are respectively arranged in the two fresh air ports (11), the isolation room (20) is arranged in the outer wall (10), a fresh air space (25) is formed between the isolation room (20) and the outer wall (10), two groups of return air ports (23) are respectively arranged on two opposite sides of the isolation room (20), each group of return air ports comprises a first return air port (231) and a second return air port (233) which are arranged at intervals, medium-efficiency filters are respectively arranged in the first return air port (231) and the second return air port (233), the operating table (30) is arranged in the isolation room (20), the noise elimination direct current fan set (40) is arranged at the top of the isolation room (20) and used for conveying fresh air into the isolation room (20), the two air conditioner sets (50) are respectively arranged on two opposite sides of the isolation room (20) and are both located in the fresh air space (25), and a first return air inlet (231) and a second return air inlet (233) of each return air inlet are respectively located below and above the corresponding air conditioner set (50).
2. A fresh air system for cleaning and its using method as claimed in claim 1, wherein the position of the fresh air opening (11) is aligned with the position of the first air return opening (231).
3. A fresh air system for cleaning and a method for using the same as claimed in claim 2, wherein the muffling direct current fan set (40) is located in the fresh air space (25).
4. A fresh air system for cleaning and its use method as claimed in claim 3, wherein the operating table (30) comprises a supporting base (31) and an operating table plate (33), and the operating table plate (33) is mounted on top of the supporting base (31).
5. A fresh air system for cleaning and its use method as claimed in claim 4, characterized in that the operation table plate (33) is a rectangular table plate, a support surface is formed on the operation table plate (33), and a blood transfusion device is arranged on one side of the operation table (30).
6. A fresh air system for cleaning and its use method as claimed in claim 5, wherein the fresh air space (25) comprises a lateral space (251) surrounding the sidewall of the isolation chamber (20) and a top space (253) at the top of the isolation chamber (20).
7. A fresh air system for cleaning and a use method thereof as claimed in claim 6, wherein the two air conditioning units (50) are located in the side space (251), and the muffling direct current fan unit (40) is located in the top space (253).
8. The fresh air system for cleaning and the use method thereof as claimed in claim 7, wherein the top of the outer wall (10) is provided with an exhaust duct (16), and the exhaust duct (16) is communicated with the top space (253).
9. The fresh air system for cleaning and the use method thereof as claimed in claim 8, wherein the exhaust duct (16) is an elliptical duct, one end of the exhaust duct (16) is protruded out of the outer wall (10), and the extending direction of the exhaust duct (16) is parallel to the ground.
10. The fresh air system for cleaning and the use method thereof as claimed in claim 9, wherein the method comprises the following steps:
introducing outside fresh air into the lateral space (251) by using the fresh air opening (11);
directing primary return air to the side space (251) using the first return air opening (231);
the outside fresh air and the primary return air are mixed to form mixed air, and the mixed air flows to the upper part of the lateral space (251) through the air conditioning unit (50);
the second return air inlet (233) guides secondary return air to the side space (251), and the mixed air and the secondary return air are mixed with each other to form final mixed air and flow to the head space (253);
and the silencing direct current fan set (40) conveys the final mixed wind downwards into the isolation chamber (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010088849.4A CN111156633B (en) | 2020-02-12 | 2020-02-12 | Fresh air system for cleaning and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010088849.4A CN111156633B (en) | 2020-02-12 | 2020-02-12 | Fresh air system for cleaning and application method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344487A (en) * | 2020-10-26 | 2021-02-09 | 中铁建工集团建筑安装有限公司 | Air filter and clean room temperature and humidity debugging method |
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|---|---|---|---|---|
| CN112344487A (en) * | 2020-10-26 | 2021-02-09 | 中铁建工集团建筑安装有限公司 | Air filter and clean room temperature and humidity debugging method |
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