CN222317256U - Cascade positive and negative pressure laminar flow cleaning hood - Google Patents
Cascade positive and negative pressure laminar flow cleaning hood Download PDFInfo
- Publication number
- CN222317256U CN222317256U CN202323463138.9U CN202323463138U CN222317256U CN 222317256 U CN222317256 U CN 222317256U CN 202323463138 U CN202323463138 U CN 202323463138U CN 222317256 U CN222317256 U CN 222317256U
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- side panel
- negative pressure
- panel
- laminar flow
- air
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- 238000004140 cleaning Methods 0.000 title claims description 82
- 238000001914 filtration Methods 0.000 claims description 25
- 230000001954 sterilising effect Effects 0.000 claims description 8
- 238000004378 air conditioning Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000003749 cleanliness Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
Landscapes
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
本申请公开了一种可级联的正负压层流洁净罩，包括：可折叠罩体；可折叠罩体包括固定框架和分别设置在固定框架两侧的第一折叠结构和第二折叠结构；第一折叠结构和第二折叠结构均包括顶面板、底面板、第一侧面板、第二侧面板和第三侧面板；顶面板、底面板、第一侧面板和第二侧面板均通过连接铰链与固定框架转动连接；第三侧面板通过连接铰链与顶面板、底面板、第一侧面板或第二侧面板远离固定框架的一端转动连接；底面板的边缘位置开设有用于通过连接板将两个或两个以上的可折叠罩体相互级联的螺丝孔。本实用新型能够灵活的将两个或两个以上的正负压层流洁净罩相互级联，以组成更大的层流洁净空间，并且便于组装和拆卸，具有很强的实用性。
The present application discloses a cascadable positive and negative pressure laminar flow clean hood, comprising: a foldable hood body; the foldable hood body comprises a fixed frame and a first folding structure and a second folding structure respectively arranged on both sides of the fixed frame; the first folding structure and the second folding structure both comprise a top panel, a bottom panel, a first side panel, a second side panel and a third side panel; the top panel, the bottom panel, the first side panel and the second side panel are all rotatably connected to the fixed frame through a connecting hinge; the third side panel is rotatably connected to an end of the top panel, the bottom panel, the first side panel or the second side panel away from the fixed frame through a connecting hinge; a screw hole for cascading two or more foldable hood bodies to each other through a connecting plate is provided at the edge of the bottom panel. The utility model can flexibly cascade two or more positive and negative pressure laminar flow clean hoods to each other to form a larger laminar flow clean space, and is easy to assemble and disassemble, and has strong practicality.
Description
Technical Field
The application relates to the technical field of laminar flow cleaning hoods, in particular to a cascading positive and negative pressure laminar flow cleaning hood.
Background
The laminar flow cleaning hood is divided into a vertical laminar flow cleaning hood and a horizontal laminar flow cleaning hood, wherein the vertical laminar flow cleaning hood is used for forming a clean air uniform flow layer after clean air passes through a uniform flow net at a certain wind speed, so that the clean air is vertically and unidirectionally flowed, and the high cleanliness of the working area reaching the process requirement is ensured. The installation mode of the vertical laminar flow cleaning cover is provided with a hanging type (suspended ceiling) and a floor bracket, wherein the floor bracket type laminar flow cleaning cover mainly comprises a bracket and a housing assembly, and the bracket can support the housing assembly to a certain height so as to meet operation requirements. The housing assembly (air chamber assembly) has a certain area so that a certain range of clean space can be provided.
At present, the existing laminar flow cleaning hood is generally of a fixed size, cannot be suitable for the situation that the requirement on the internal space is high, is required to be assembled and disassembled on site, is complicated in assembly and disassembly processes, cannot be suitable for the outdoors, and is poor in practicability, and therefore the utility model provides the cascading positive and negative pressure laminar flow cleaning hood.
Disclosure of utility model
The embodiment of the application provides a cascading positive and negative pressure laminar flow cleaning cover, which can flexibly cascade two or more positive and negative pressure laminar flow cleaning covers to form a larger laminar flow cleaning space, is convenient to assemble and disassemble and has strong practicability.
In view of this, the application provides a cascading positive and negative pressure laminar flow cleaning hood, which comprises a foldable hood body;
The foldable cover body comprises a fixed frame, and a first folding structure and a second folding structure which are respectively arranged at two sides of the fixed frame;
the first folding structure and the second folding structure are identical in structure, and each of the first folding structure and the second folding structure comprises a top panel, a bottom panel, a first side panel, a second side panel and a third side panel;
The top panel, the bottom panel, the first side panel, the second side panel and the third side panel are all detachably connected with connecting hinges;
The top panel and the bottom panel are respectively connected with the top edge and the bottom edge of the fixed frame in a rotating way through the connecting hinges;
The first side panel and the second side panel are respectively and rotatably connected with the left side edge and the right side edge of the fixed frame through the connecting hinges;
The third side panel is rotatably connected with one end of the top panel, the bottom panel, the first side panel or the second side panel far away from the fixed frame through the connecting hinge;
A first screw hole for mutually cascading the two foldable cover bodies along the length direction through a connecting plate is formed in one side, close to the third side panel, of the bottom panel;
Two sides of the bottom panel, which are close to the first side panel and the second side panel, are respectively provided with a second screw hole used for mutually cascading the two foldable cover bodies along the width direction through a connecting plate;
The bottom panels of two adjacent foldable cover bodies are detachably connected through the connecting plates.
Optionally, an air cleaning system is arranged in the middle of the top of the fixed frame;
Two sides of the top of the fixed frame are respectively provided with a negative pressure fan assembly;
A control system is arranged in the foldable cover body and is respectively and electrically connected with the air cleaning system and the negative pressure fan assembly;
When two or more foldable covers are cascaded with each other, the control systems on the two or more foldable covers are in communication connection.
Optionally, an air cavity structure is arranged in the top panel;
A flow equalizing screen plate for enabling the entering airflow to form uniform vertical laminar flow is arranged in the wind cavity structure;
The air cleaning system comprises a filtering air inlet assembly for inputting clean air into the air cavity structure, and when the foldable cover body is in an unfolding state, an air outlet of the filtering air inlet assembly is communicated with the air cavity structure.
Optionally, the filtering air inlet assembly comprises an air inlet fan and a filtering and sterilizing module for purifying air.
Optionally, the filtering and sterilizing module comprises a primary filter, plasma, an ozone reduction net and a high-efficiency filter which are sequentially arranged along the air inlet direction.
Optionally, the air cleaning system further comprises an air conditioning assembly for adjusting the temperature and humidity inside the foldable cover body.
Optionally, a negative pressure air outlet channel for extracting air inside the foldable cover body is formed in the fixed frame;
the negative pressure fan assembly is located at the outlet of the negative pressure air outlet channel.
Optionally, the negative pressure fan assembly includes a centrifugal fan and a filter.
Optionally, casters are arranged at the bottom of the fixed frame;
the bottom of the bottom panel is provided with adjustable supporting feet.
Optionally, an access door is provided on the first side panel, the second side panel or the third side panel.
According to the technical scheme, the cascading positive and negative pressure laminar flow cleaning cover has the advantages that the cascading positive and negative pressure laminar flow cleaning cover is convenient to assemble and disassemble by adopting the foldable structure, is suitable for outdoor environments, can flexibly cascade two or more positive and negative pressure laminar flow cleaning covers to form a larger laminar flow cleaning space, and has strong practicability. The folding operation of the foldable cover body is completed by sequentially rotating the first side panel, the second side panel, the top panel and the bottom panel, and sequentially unfolding the bottom panel, the top panel, the second side panel, the first side panel and the third side panel, and simultaneously, as the top panel, the bottom panel, the first side panel, the second side panel and the third side panel are all detachably connected with the connecting hinge, and the edge position of the bottom panel is provided with a first screw hole for mutually cascading the adjacent foldable cover bodies along the length direction and a second screw hole for mutually cascading the adjacent foldable cover bodies along the width direction, when two or more foldable cover bodies are required to be mutually cascaded, only the two or more foldable cover bodies are required to be mutually aligned along the direction of wanted cascading and are mutually closed, and then the corresponding detachable side panels can be respectively removed (finally, the adjacent side panels can be mutually detached through the connecting hinge on the detachable side panels), and finally, the two or more foldable cover bodies are fixedly connected on the two or more foldable cover bodies along the width direction, namely, the two or more foldable cover bodies can be firmly cascaded, and the two cover bodies can be firmly and flexibly cascaded.
Drawings
FIG. 1 is a schematic diagram of a structure of a cascade-connectable positive and negative pressure laminar flow cleaning hood in an extended state according to an embodiment of the present application;
FIG. 2 is a top view of a cascade-connectable positive and negative pressure laminar flow cleaning hood according to an embodiment of the application;
FIG. 3 is a right side view of a cascade-connectable positive and negative pressure laminar flow cleaning hood according to an embodiment of the present application;
FIG. 4 is a rear view of a cascade-connectable positive and negative pressure laminar flow cleaning hood according to an embodiment of the present application;
FIG. 5 is a cross-sectional view taken along the direction A-A in FIG. 3;
FIG. 6 is a cross-sectional view taken along the direction B-B in FIG. 4;
FIG. 7 is a diagram of a first folding process of a cascading positive and negative pressure laminar flow cleaning hood in an embodiment of the present application;
FIG. 8 is a second diagram of a folding process of a cascading positive and negative pressure laminar flow cleaning hood in an embodiment of the present application;
FIG. 9 is a third folding process diagram of a cascading positive and negative pressure laminar flow cleaning hood in an embodiment of the present application;
FIG. 10 is a fourth view of a folding process of a cascading positive and negative pressure laminar flow cleaning hood in an embodiment of the present application;
FIG. 11 is a schematic structural view of a cascade-connectable positive and negative pressure laminar flow cleaning hood in a folded state according to an embodiment of the present application;
FIG. 12 is a schematic view of the air cleaning system according to the embodiment of the present application after hiding the top cover plate of the housing;
FIG. 13 is a cross-sectional view of a filter inlet assembly according to an embodiment of the application;
Fig. 14 is a schematic structural diagram of a filtering and sterilizing module according to an embodiment of the present application;
FIG. 15 is a schematic diagram of the direction of the positive pressure wind inside a cascading positive and negative pressure laminar flow cleaning hood according to an embodiment of the present application;
FIG. 16 is a schematic diagram of the negative pressure and the positive pressure and the negative pressure and the wind direction inside a laminar flow cleaning hood which can be cascaded in the embodiment of the application;
FIG. 17 is a schematic diagram of a first cascade mode of a cascade-able positive and negative pressure laminar flow cleaning hood according to an embodiment of the present application;
FIG. 18 is a schematic diagram of a second cascade mode of a cascade-connectable positive and negative pressure laminar flow cleaning hood according to an embodiment of the present application;
FIG. 19 is a cross-sectional view of a cascading positive and negative pressure laminar flow cleaning hood in accordance with an embodiment of the present application;
FIG. 20 is an enlarged detail view of portion A of FIG. 19;
Wherein, the reference numerals are as follows:
The foldable hood comprises a 1-foldable hood body, a 11-fixed frame, a 111-negative pressure air outlet channel, a 12-top panel, a 121-opening, a 13-bottom panel, a 14-first side panel, a 15-second side panel, a 16-third side panel, a 2-air cleaning system, a 21-filtering air inlet assembly, a 211-air inlet fan, a 212-filtering and sterilizing module, a 2121-primary filter, a 2122-plasma, a 2123-ozone reduction net, a 2124-high-efficiency filter, a 213-air outlet, a 22-air conditioning assembly, a 3-negative pressure fan assembly, 4-casters, 5-adjustable supporting legs, a 6-inlet and outlet door, a 7-connecting hinge and an 8-connecting plate.
Detailed Description
In order to make the present application better understood by those skilled in the art, the following description will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless specifically stated or limited otherwise, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, or indirectly connected via an intervening medium, or may be in communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
The present application provides an embodiment of a cascade-connectable positive and negative pressure laminar flow cleaning hood, and particularly please refer to fig. 1 to 4, fig. 7 to 11, and fig. 17 to 20.
The cascade positive and negative laminar flow cleaning cover in the embodiment comprises a foldable cover body 1, wherein the foldable cover body 1 comprises a fixed frame 11 and a first folding structure and a second folding structure which are respectively arranged at two sides of the fixed frame 11, the first folding structure and the second folding structure are completely identical in structure, the first folding structure and the second folding structure comprise a top panel 12, a bottom panel 13, a first side panel 14, a second side panel 15 and a third side panel 16, connecting hinges 7 are detachably connected to the top panel 12, the bottom panel 13, the first side panel 14, the second side panel 15 and the third side panel 16, the top panel 12 and the bottom panel 13 are respectively in rotary connection with the top edge and the bottom edge of the fixed frame 11 through the connecting hinges 7, the first side panel 14 and the second side panel 15 are respectively in rotary connection with the left side edge and the right side edge of the fixed frame 11 through the connecting hinges 7, the third side panel 16 is in rotary connection with one end of the top panel 12, the bottom panel 13, the first side panel 14 or the second side panel 15 far away from the fixed frame 11, one side of the bottom panel 13 is provided with a connecting hinge 7, the first side panel 14, the second side panel 15 and the third side panel 16 is provided with a connecting hole 8 which is used for connecting the adjacent two side panels 1 along the width direction of the two side panels 1 and the two side panels 1 through the connecting holes 8.
The cascading positive and negative pressure laminar flow cleaning covers are convenient to assemble and disassemble by adopting the foldable structure, can be suitable for outdoor environments, and can be flexibly cascaded with two or more positive and negative pressure laminar flow cleaning covers to form a larger laminar flow cleaning space, so that the cascading positive and negative pressure laminar flow cleaning covers have strong practicability. Specifically, when folding, the third side panel 16 can be rotated first to fold the third side panel 16 onto the adjacent panels, then the first side panel 14, the second side panel 15, the top panel 12 and the bottom panel 13 are sequentially rotated to fold all the adjacent foldable cover bodies 1 onto the fixed frame 11, so that folding operation of the foldable cover bodies 1 is completed, when unfolding, the bottom panel 13, the top panel 12, the second side panel 15, the first side panel 14 and the third side panel 16 are sequentially unfolded, meanwhile, as the top panel 12, the bottom panel 13, the first side panel 14, the second side panel 15 and the third side panel 16 are all detachably connected with the connecting hinge 7, and the edge position of the bottom panel 13 is provided with a first screw hole for mutually cascading the adjacent foldable cover bodies 1 along the length direction and a second screw hole for mutually cascading the adjacent foldable cover bodies 1 along the width direction, when two or more foldable cover bodies 1 are required to be mutually cascaded, only the two or more foldable cover bodies 1 are required to be mutually aligned and leaned along the direction of wanted cascade, and then the adjacent side panels are respectively removed from the side panels through the connecting hinge 7, namely, the two adjacent side panels can be firmly connected through the connecting hinge 7 in a cascading manner, and the sealing connection between two adjacent side panels can be completed.
The foregoing is a first embodiment of a cascading positive and negative pressure laminar flow cleaning cover provided by the present application, and the following is a second embodiment of a cascading positive and negative pressure laminar flow cleaning cover provided by the present application, and refer to fig. 1 to 20 specifically.
The cascade positive and negative laminar flow cleaning cover in the embodiment comprises a foldable cover body 1, wherein the foldable cover body 1 comprises a fixed frame 11 and a first folding structure and a second folding structure which are respectively arranged at two sides of the fixed frame 11, the first folding structure and the second folding structure are completely identical in structure, the first folding structure and the second folding structure comprise a top panel 12, a bottom panel 13, a first side panel 14, a second side panel 15 and a third side panel 16, connecting hinges 7 are detachably connected to the top panel 12, the bottom panel 13, the first side panel 14, the second side panel 15 and the third side panel 16, the top panel 12 and the bottom panel 13 are respectively in rotary connection with the top edge and the bottom edge of the fixed frame 11 through the connecting hinges 7, the first side panel 14 and the second side panel 15 are respectively in rotary connection with the left side edge and the right side edge of the fixed frame 11 through the connecting hinges 7, the third side panel 16 is in rotary connection with one end of the top panel 12, the bottom panel 13, the first side panel 14 or the second side panel 15 far away from the fixed frame 11, one side of the bottom panel 13 is provided with a connecting hinge 7, the first side panel 14, the second side panel 15 and the third side panel 16 is provided with a connecting hole 8 which is used for connecting the adjacent two side panels 1 along the width direction of the two side panels 1 and the two side panels 1 through the connecting holes 8.
The cascading positive and negative pressure laminar flow cleaning covers can flexibly cascade two or more positive and negative pressure laminar flow cleaning covers according to the needs, so that the internal space of the laminar flow cleaning covers is increased, and the medical building equipping is realized.
An air cleaning system 2 is arranged in the middle of the top of the fixed frame 11, a negative pressure fan assembly 3 is arranged on two sides of the top of the fixed frame 11 respectively, a control system is arranged in the foldable cover body 1 and is electrically connected with the air cleaning system 2 and the negative pressure fan assembly 3 respectively, and after two or more foldable cover bodies 1 are mutually cascaded, the control systems on the two or more foldable cover bodies 1 can be in communication connection so as to realize a parallel control mode of wireless interconnection among multiple machines.
The laminar flow cleaning cover has no air cleaning system 2 and needs to be externally connected with a sterilizer for use, and the laminar flow cleaning cover can be more compact in structure and improve the space utilization rate by connecting the air cleaning system 2 with the foldable cover body 1, and positive pressure or negative pressure can be formed in the inner space of the foldable cover body 1 by matching the air cleaning system 2 with the negative pressure fan assembly 3, so that the practicability of the laminar flow cleaning cover is effectively improved.
The top panel 12 is provided with a wind cavity structure, a flow equalizing screen plate for enabling the entering airflow to form uniform vertical laminar flow is arranged in the wind cavity structure, the air cleaning system 2 comprises a filtering air inlet assembly 21 for inputting clean air into the wind cavity structure, and when the foldable cover body 1 is in an unfolding state, an air outlet 213 of the filtering air inlet assembly 21 is communicated with the wind cavity structure.
It should be noted that, the air outlet 213 of the filtering air inlet assembly 21 is disposed on one side of the filtering air inlet assembly 21, which is attached to the top panel 12, and one side of the top panel 12, which is close to the filtering air inlet assembly 21, is correspondingly provided with an opening 121 for sealing connection with the air outlet 213 of the filtering air inlet assembly 21 when the foldable cover 1 is fully unfolded, and the opening 121 is communicated with the air cavity structure inside the top panel 12, so that when the foldable cover 1 is fully unfolded, the air outlet 213 of the filtering air inlet assembly 21 can be communicated with the air cavity structure inside the top panel 12 through the opening 121.
The filter air intake assembly 21 includes an air intake fan 211 and a filter kill module 212 for purifying air. Specifically, the filtering and disinfecting module 212 is disposed at an air inlet of the filtering air inlet assembly 21, and the air inlet fan 211 is disposed at an air outlet 213 of the filtering air inlet assembly 21.
Specifically, the filter killing module 212 may be integrally installed at the air inlet of the filter air inlet assembly 21 through a pull-out structure. The filter killing module 212 comprises a primary filter 2121, a plasma 2122, an ozone reduction net 2123 and a high efficiency filter 2124 which are sequentially arranged along the air inlet direction.
The air cleaning system 2 further comprises an air conditioning assembly 22 for adjusting the temperature and humidity inside the foldable cover body 1, so that the problem that the inner space is stuffy is solved, and the use comfort of the laminar flow cleaning cover is improved.
It will be appreciated that the installation, operation and control of the air conditioning assembly 22 are independent, and do not cooperate with the air intake fan 211 and the filtering and sterilizing module 212, but the cool and hot air inside is the clean air after sterilizing and filtering, i.e. the operation of the air conditioning assembly 22 does not change the cleanliness inside the laminar flow cleaning hood, but only adjusts the temperature and humidity inside the cleaning hood.
The fixed frame 11 is provided with a negative pressure air outlet channel 111 for exhausting air in the foldable cover body 1, and the negative pressure fan assembly 3 is positioned at the outlet of the negative pressure air outlet channel 111.
Specifically, the inlet of the negative pressure air outlet passage 111 is located at the bottom of the inner side of the fixed frame 11, and the negative pressure fan assembly 3 includes a centrifugal fan and a filter.
The bottom of the fixed frame 11 is provided with the casters 4 for convenient movement, the bottom of the bottom panel 13 is provided with the adjustable supporting feet 5, and the unfolded laminar flow cleaning cover is kept horizontal by adjusting the height of the adjustable supporting feet 5, so that the laminar flow cleaning cover can be applied to various terrain environments, and the practicability is stronger.
An access door 6 may be provided on the first side panel 14, the second side panel 15, or the third side panel 16.
After the device is fully unfolded, clean air can be generated by the air cleaning system 2 and is input into the air cavity structure in the top panel 12, the clean air forms laminar clean air through the flow equalizing screen plate in the air cavity structure, the air quality in the laminar clean hood can reach hundred-grade cleanliness, meanwhile, positive pressure is formed in the laminar clean hood, and negative pressure can be formed in the laminar clean hood by starting the negative pressure fan assembly 3.
While the application has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that the foregoing embodiments may be modified or equivalents may be substituted for some of the features thereof, and that the modifications or substitutions do not depart from the spirit and scope of the embodiments of the application.
Claims (10)
1. The cascading positive and negative pressure laminar flow cleaning cover is characterized by comprising a foldable cover body;
The foldable cover body comprises a fixed frame, and a first folding structure and a second folding structure which are respectively arranged at two sides of the fixed frame;
the first folding structure and the second folding structure are identical in structure, and each of the first folding structure and the second folding structure comprises a top panel, a bottom panel, a first side panel, a second side panel and a third side panel;
The top panel, the bottom panel, the first side panel, the second side panel and the third side panel are all detachably connected with connecting hinges;
The top panel and the bottom panel are respectively connected with the top edge and the bottom edge of the fixed frame in a rotating way through the connecting hinges;
The first side panel and the second side panel are respectively and rotatably connected with the left side edge and the right side edge of the fixed frame through the connecting hinges;
The third side panel is rotatably connected with one end of the top panel, the bottom panel, the first side panel or the second side panel far away from the fixed frame through the connecting hinge;
A first screw hole for mutually cascading the two foldable cover bodies along the length direction through a connecting plate is formed in one side, close to the third side panel, of the bottom panel;
Two sides of the bottom panel, which are close to the first side panel and the second side panel, are respectively provided with a second screw hole used for mutually cascading the two foldable cover bodies along the width direction through a connecting plate;
The bottom panels of two adjacent foldable cover bodies are detachably connected through the connecting plates.
2. The cascading positive and negative pressure laminar flow cleaning hood according to claim 1, wherein an air cleaning system is arranged in the middle of the top of the fixed frame;
Two sides of the top of the fixed frame are respectively provided with a negative pressure fan assembly;
A control system is arranged in the foldable cover body and is respectively and electrically connected with the air cleaning system and the negative pressure fan assembly;
When two or more foldable covers are cascaded with each other, the control systems on the two or more foldable covers are in communication connection.
3. The cascading positive and negative pressure laminar flow cleaning hood according to claim 2, wherein an air cavity structure is arranged in the top panel;
A flow equalizing screen plate for enabling the entering airflow to form uniform vertical laminar flow is arranged in the wind cavity structure;
The air cleaning system comprises a filtering air inlet assembly for inputting clean air into the air cavity structure, and when the foldable cover body is in an unfolding state, an air outlet of the filtering air inlet assembly is communicated with the air cavity structure.
4. The cascading positive and negative pressure laminar flow cleaning hood according to claim 3, wherein the filtering air inlet assembly comprises an air inlet fan and a filtering and sterilizing module for purifying air.
5. The cascading positive and negative pressure laminar flow cleaning hood according to claim 4, wherein the filtering and sterilizing module comprises a primary filter, a plasma, an ozone reduction net and a high-efficiency filter which are sequentially arranged along the air inlet direction.
6. The cascading positive and negative pressure laminar flow cleaning hood according to claim 3, wherein the air cleaning system further comprises an air conditioning assembly for adjusting the temperature and humidity within the collapsible hood body.
7. The cascading positive-negative pressure laminar flow cleaning hood according to claim 2, wherein a negative pressure air outlet channel for pumping out air in the foldable hood body is formed on the fixed frame;
the negative pressure fan assembly is located at the outlet of the negative pressure air outlet channel.
8. The cascadable positive and negative pressure laminar flow cleaning hood according to claim 2, wherein the negative pressure fan assembly comprises a centrifugal fan and a filter.
9. The cascading positive and negative pressure laminar flow cleaning hood according to claim 1, wherein casters are arranged at the bottom of the fixed frame;
the bottom of the bottom panel is provided with adjustable supporting feet.
10. The cascading positive and negative pressure laminar flow cleaning hood according to claim 1, wherein an access door is provided on the first side panel, the second side panel or the third side panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323463138.9U CN222317256U (en) | 2023-12-18 | 2023-12-18 | Cascade positive and negative pressure laminar flow cleaning hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323463138.9U CN222317256U (en) | 2023-12-18 | 2023-12-18 | Cascade positive and negative pressure laminar flow cleaning hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222317256U true CN222317256U (en) | 2025-01-07 |
Family
ID=94089011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323463138.9U Active CN222317256U (en) | 2023-12-18 | 2023-12-18 | Cascade positive and negative pressure laminar flow cleaning hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222317256U (en) |
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2023
- 2023-12-18 CN CN202323463138.9U patent/CN222317256U/en active Active
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