CN111420320A - Active air supply filtering device of protective hood - Google Patents
Active air supply filtering device of protective hood Download PDFInfo
- Publication number
- CN111420320A CN111420320A CN202010251394.3A CN202010251394A CN111420320A CN 111420320 A CN111420320 A CN 111420320A CN 202010251394 A CN202010251394 A CN 202010251394A CN 111420320 A CN111420320 A CN 111420320A
- Authority
- CN
- China
- Prior art keywords
- air supply
- cabin
- interface
- filter screen
- charging
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 44
- 230000001681 protective effect Effects 0.000 title claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 33
- 230000003750 conditioning effect Effects 0.000 claims description 33
- 229910052744 lithium Inorganic materials 0.000 claims description 33
- 238000005192 partition Methods 0.000 claims description 14
- 230000007547 defect Effects 0.000 abstract description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 2
- 239000003570 air Substances 0.000 description 121
- 239000012080 ambient air Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 206010008479 Chest Pain Diseases 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/006—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort with pumps for forced ventilation
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B23/00—Filters for breathing-protection purposes
- A62B23/02—Filters for breathing-protection purposes for respirators
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Pulmonology (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
An active air supply filtering device of a protective hood comprises an air supply filtering module (1), an electrical control unit (2) and a structural shell (3), wherein the air supply filtering module (1) and the electrical control unit (2) are installed in the structural shell (3), and the air supply filtering module (1) is connected with the electrical control unit (2), and is characterized in that the air supply filtering module (1) comprises a high-efficiency filter screen (4), a centrifugal fan (5), an air supply pipeline (6) and a quick-connection plug (7), and the high-efficiency filter screen (4) and the centrifugal fan (5) are fixedly installed in the structural shell (3); the high-efficiency filter screen (4), the centrifugal fan (5) and the air supply pipeline (6) are sequentially arranged to form an active air supply cavity; wherein, the quick plug (7) connects the air outlet of the centrifugal fan (5) and the air supply pipeline (6) together in a sealing way; the invention overcomes the defect that the existing protective hood can not continuously provide high-quality air, and ensures the breathing safety of workers in special environment.
Description
Technical Field
The invention relates to an active air supply filtering device, in particular to an active air supply filtering device of a protective hood.
Background
The protective hood can effectively prevent particles harmful to human bodies, such as micro-dust, bacteria, spray and the like in the ambient air from directly contacting with a wearer, and has wide application in the aspects of medical sanitation, labor protection, experimental research and the like. Along with the technical development in the field of air purification, the traditional hood with a single protection function can not meet the requirement of people on equipment comfort, and the problems of discomfort such as oxygen deficiency, chest distress, fogging of eyepieces and the like caused in the process of wearing the protective hood are more and more prominent. Therefore, the protection head cover active air supply filtering device is needed, and under the action of the fan, ambient air is filtered and then sent into the interior of the protection head cover, so that the wearing comfort is improved.
Disclosure of Invention
The invention aims to provide an active air supply filtering device of a protective hood, which is integrated in a small shell and is convenient to carry.
An active air supply filtering device of a protective hood comprises an air supply filtering module 1, an electrical control unit 2 and a structural shell 3, wherein the air supply filtering module 1 and the electrical control unit 2 are both arranged in the structural shell 3, and the air supply filtering module 1 is connected with the electrical control unit 2, and is characterized in that the air supply filtering module 1 comprises a high-efficiency filter screen 4, a centrifugal fan 5, an air supply pipeline 6 and a quick-connection plug 7, and the high-efficiency filter screen 4 and the centrifugal fan 5 are fixedly arranged in the structural shell 3; the high-efficiency filter screen 4, the centrifugal fan 5 and the air supply pipeline 6 are sequentially arranged to form an active air supply cavity; wherein, the quick-connection plug 7 connects the air outlet of the centrifugal fan 5 and the air supply pipeline 6 together in a sealing way;
the electric control unit 2 comprises a lithium battery 8, a charging plate 9, a power switch 10, an electric quantity indicator lamp 11 and an output conditioning plate 12; the charging board 9 comprises a TypeC charging interface 13, a TP4056 charging chip 14 and an output port 15, and the output conditioning board 12 comprises a power supply input 16, an SX1308 conditioning chip 17 and a driving port 18; the TypeC charging interface 13 is connected with the output port 15 through the TP4056 charging chip 14, and the power supply input port 16 is connected with the driving port 18 through the SX1308 conditioning chip 17; the lithium battery 8 is respectively connected with the electric quantity indicator lamp 11 and the power supply input port 16 through the power switch 10, and the output port 15 of the charging panel 9 is connected with the lithium battery 8;
the structure shell 3 comprises a fixed frame 19, an air inlet cover plate 20 and an external interface 21; the fixed frame 19 comprises a support frame 22, an electric cabin 23, a fan cabin 24, an air duct partition plate 25 and a filter screen cabin 26; the electric cabin 23, the fan cabin 24, the air duct partition plate 25 and the filter screen cabin 26 are all arranged in the support frame 22; an air inlet opening and a diversion trench are arranged in the air duct partition plate 25, and the air duct partition plate 25 is fixed on the inner wall of the supporting frame 22 and is positioned between the air engine room 24 and the filter screen room 26; the electric cabin 23 of the fixed frame 19 is independent of the fan cabin 24 and the filter screen cabin 26, is positioned on the side surface of the fixed frame 19 and is flush with the filter screen cabin 26 in height; the external interface 21 comprises a pipeline interface 29, a power interface 30 and a charging interface 31, and the pipeline interface 29, the power interface 30 and the charging interface 31 are respectively embedded in the supporting frame 22 in a threaded hole opening mode; the air inlet cover plate 20 comprises a magnetic suction device 27 and an air inlet hole 28; the magnetic suction device 27 is fixed at the edge of the supporting frame 22, and the air inlet hole 28 is fixed right above the filter screen cabin 26;
the centrifugal fan 5 of the air supply filtering module 1 is connected with a driving port 18 of an output conditioning plate 12 in the electric control unit 2;
the lithium battery 8, the charging panel 9, the electricity quantity indicator lamp 11 and the output conditioning panel 12 of the electric control unit 2 are fixed in an electric cabin 23 of a fixing frame 19 in the structure shell 2.
The high-efficiency filter screen 4 of the air supply filter module 1 is mechanically connected with the filter screen cabin 26 of the fixed frame 19 in the structure shell 2 in a clearance fit mode, the centrifugal fan 5 of the air supply filter module 1 is mechanically connected with the fan cabin 24 of the fixed frame 19 in the structure shell 2 in a bolt fastening mode, and the quick-connection plug 7 of the air supply filter module 1 is connected with the pipeline interface 29 of the external interface 21 in the structure shell 2 through an airtight hose.
The lithium battery 8, the charging plate 9, the electric quantity indicator lamp 11 and the output conditioning plate 12 of the electric control unit 2 are positioned in an electric cabin 23 of a fixed frame 19 in the structural shell 2; the TypeC charging interface 13 of the charging plate 9 in the electric control unit 2 is fixed in the open hole of the charging interface 31 of the external interface 21; the power switch 10 is mechanically connected to the power supply interface 30 of the external interface 21 in the structural housing 3 in a screw-fastening manner.
The invention has the advantages that: the invention overcomes the defect that the existing protective head hood can not continuously provide high-quality air, clean air is actively fed into the protective head hood after ambient air is filtered by the air supply filtering module, the electric control unit performs switching, power supply, charging and driving control on the device, the structural shell plays the roles of air tightness, support and fixation on the air supply fixing device and the electric control unit, and the air supply fixing device, the electric control unit and the structural shell are combined to form the whole device. According to the invention, the lithium battery is used for supplying power, and under the action of the centrifugal fan, ambient air is filtered by the high-efficiency filter screen and then is sent into the hood through the pipeline, so that the comfort level of a wearer using the protective hood is improved in an active air supply manner, and the breathing safety of workers in a special environment is ensured.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic block diagram of the present invention;
FIG. 3 is a flow chart of the present invention;
FIG. 4 is a schematic view of the structure of the blower filter module according to the present invention;
FIG. 5 is a schematic block diagram of an electrical control unit of the present invention;
fig. 6 is a schematic structural diagram of the structural shell of the present invention.
1 is the air supply filter module, 2 is the electrical control unit, 3 is the structure casing, 4 is high-efficient filter screen, 5 is centrifugal fan, 6 is the air supply pipeline, 7 is the quick-connect plug, 8 is the lithium cell, 9 is the charging panel, 10 is switch, 11 is the power indicator, 12 is the output and takes care of the board, 13 is the type C interface that charges, 14 is TP4056 chip that charges, 15 is the output port, 16 is the power input, 17 is SX1308 chip that takes care of, 18 is the drive port, 19 is fixed frame, 20 is the air inlet apron, 21 is external interface, 22 is braced frame, 23 is the electric cabin, 24 is the fan cabin, 25 is the wind channel baffle, 26 is the filter screen cabin, 27 is magnetic device, 28 is the fresh air inlet, 29 is the pipeline interface, 30 is the power source interface, 31 is the interface that charges.
Detailed Description
An active air supply filtering device of a protective hood comprises an air supply filtering module 1, an electrical control unit 2 and a structural shell 3, wherein the air supply filtering module 1 and the electrical control unit 2 are both arranged in the structural shell 3, and the air supply filtering module 1 is connected with the electrical control unit 2, and is characterized in that the air supply filtering module 1 comprises a high-efficiency filter screen 4, a centrifugal fan 5, an air supply pipeline 6 and a quick-connection plug 7, and the high-efficiency filter screen 4 and the centrifugal fan 5 are fixedly arranged in the structural shell 3; the high-efficiency filter screen 4, the centrifugal fan 5 and the air supply pipeline 6 are sequentially arranged to form an active air supply cavity; wherein, the quick-connection plug 7 connects the air outlet of the centrifugal fan 5 and the air supply pipeline 6 together in a sealing way;
the electric control unit 2 comprises a lithium battery 8, a charging plate 9, a power switch 10, an electric quantity indicator lamp 11 and an output conditioning plate 12; the charging board 9 comprises a TypeC charging interface 13, a TP4056 charging chip 14 and an output port 15, and the output conditioning board 12 comprises a power supply input 16, an SX1308 conditioning chip 17 and a driving port 18; the TypeC charging interface 13 is connected with the output port 15 through the TP4056 charging chip 14, and the power supply input port 16 is connected with the driving port 18 through the SX1308 conditioning chip 17; the lithium battery 8 is respectively connected with the electric quantity indicator lamp 11 and the power supply input port 16 through the power switch 10, and the output port 15 of the charging panel 9 is connected with the lithium battery 8;
the structure shell 3 comprises a fixed frame 19, an air inlet cover plate 20 and an external interface 21; the fixed frame 19 comprises a support frame 22, an electric cabin 23, a fan cabin 24, an air duct partition plate 25 and a filter screen cabin 26; the electric cabin 23, the fan cabin 24, the air duct partition plate 25 and the filter screen cabin 26 are all arranged in the support frame 22; an air inlet opening and a diversion trench are arranged in the air duct partition plate 25, and the air duct partition plate 25 is fixed on the inner wall of the supporting frame 22 and is positioned between the air engine room 24 and the filter screen room 26; the electric cabin 23 of the fixed frame 19 is independent of the fan cabin 24 and the filter screen cabin 26, is positioned on the side surface of the fixed frame 19 and is flush with the filter screen cabin 26 in height; the external interface 21 comprises a pipeline interface 29, a power interface 30 and a charging interface 31, and the pipeline interface 29, the power interface 30 and the charging interface 31 are respectively embedded in the supporting frame 22 in a threaded hole opening mode; the air inlet cover plate 20 comprises a magnetic suction device 27 and an air inlet hole 28; the magnetic suction device 27 is fixed at the edge of the supporting frame 22, and the air inlet hole 28 is fixed right above the filter screen cabin 26;
the centrifugal fan 5 of the air supply filtering module 1 is connected with a driving port 18 of an output conditioning plate 12 in the electric control unit 2;
the lithium battery 8, the charging panel 9, the electricity quantity indicator lamp 11 and the output conditioning panel 12 of the electric control unit 2 are fixed in an electric cabin 23 of a fixing frame 19 in the structure shell 2.
The high-efficiency filter screen 4 of the air supply filter module 1 is mechanically connected with the filter screen cabin 26 of the fixed frame 19 in the structure shell 2 in a clearance fit mode, the centrifugal fan 5 of the air supply filter module 1 is mechanically connected with the fan cabin 24 of the fixed frame 19 in the structure shell 2 in a bolt fastening mode, and the quick-connection plug 7 of the air supply filter module 1 is connected with the pipeline interface 29 of the external interface 21 in the structure shell 2 through an airtight hose.
The lithium battery 8, the charging plate 9, the electric quantity indicator lamp 11 and the output conditioning plate 12 of the electric control unit 2 are positioned in an electric cabin 23 of a fixed frame 19 in the structural shell 2; the TypeC charging interface 13 of the charging plate 9 in the electric control unit 2 is fixed in the open hole of the charging interface 31 of the external interface 21; the power switch 10 is mechanically connected to the power supply interface 30 of the external interface 21 in the structural housing 3 in a screw-fastening manner.
An active supply air filtering device of a protective hood comprises: air supply filter module, electric control unit, structural shell.
The air supply filtering module comprises: high-efficient filter screen, centrifugal fan, air supply pipeline, connect the plug soon, connect plug soon and air supply pipeline with screw thread flexible coupling's mode airtight connection, high-efficient filter screen, centrifugal fan, air supply pipeline arrange according to the order, form initiative air supply cavity.
The electric control unit includes: lithium cell, charging panel, switch, electric quantity pilot lamp, output are taked care of the board, and the charging panel contains type C interface, TP4056 charging chip, output port that charges, and the board is taked care of in output contains power supply input, SX1308 and takes care of chip, drive port. The TypeC charging interface of the charging panel is electrically connected with the output port through the TP4056 charging chip, and the power supply input of the output conditioning panel is electrically connected with the driving port through the SX1308 conditioning chip. The lithium battery is respectively and electrically connected with the power supply input and output of the electric quantity indicator lamp and the output conditioning plate through the power switch, and the output port of the charging plate is electrically connected with the lithium battery.
The structural shell includes: the air inlet cover plate comprises a magnetic suction device and an air inlet hole, and the external interface comprises a pipeline interface, a power supply interface and a charging interface. An air inlet opening and a diversion trench are arranged in an air duct partition plate of the fixing frame, are mechanically connected with the supporting frame in a bolt fastening mode and are positioned between the air engine room and the filter screen room. The electric cabin of fixed frame is independent of fan cabin and filter screen cabin, is located fixed frame side and highly and filter screen cabin parallel and level. The pipeline interface, the power interface and the charging interface of the external interface are embedded into the support frame of the fixed frame in a threaded hole opening mode. The magnetic device of the air inlet cover plate is physically connected with the edge of the supporting frame of the fixed frame in a magnetic mode, and the air inlet hole of the air inlet cover plate is located right above the filter screen cabin of the fixed frame.
The air supply filtering module is electrically connected with the electric control unit, and a centrifugal fan of the air supply filtering module is electrically connected with a driving port of an output conditioning plate in the electric control unit.
The air supply filtering module and the electric control unit are mechanically connected with the structural shell. The high-efficiency filter screen of the air supply filter module is mechanically connected with the filter screen cabin of the middle fixing frame of the structure shell in a clearance fit mode, the centrifugal fan of the air supply filter module is mechanically connected with the air cabin of the middle fixing frame of the structure shell in a bolt fastening mode, and the quick connector of the air supply filter module is in airtight and flexible connection with the pipeline interface of the external interface in the structure shell. The lithium battery, the charging panel, the electric quantity indicator light and the output conditioning panel of the electric control unit are positioned inside the electric cabin of the fixing frame in the structural shell, and all the parts are fixedly connected with the electric cabin. The TypeC interface that charges of charging panel is located the interface trompil that charges of external interface in the structure casing inside among the electric control unit. The power switch of the electric control unit is mechanically connected with the power interface of the external interface in the structural shell in a bolt fastening mode.
The utility model provides a protection hood initiative air supply arrangement during operation, at first opens electrical control unit's switch, looks over the lithium cell electric quantity through the electric quantity pilot lamp. When the electric quantity indicator lamp in the electric control unit displays that the electric quantity of the lithium battery is too low, connecting the TypeC interface of the charging plate with a power supply through a charger until the electric quantity indicator lamp displays full electric quantity; when the electric quantity of the lithium battery meets the working requirement, the lithium battery supplies power to a centrifugal fan of the air supply filtering module through a driving port of the output conditioning plate, and the centrifugal fan works. The environmental air firstly passes through the air inlet hole of the air inlet cover plate in the structural shell, and is then discharged from the pipeline interface of the external interface in the structural shell after being filtered by the high-efficiency filter screen of the air supply filtering module. And finally, clean air is sent into the protective hood in an active air supply mode through an air supply pipeline of the air supply filtering module, so that the environmental comfort level in the protective hood is improved.
An active supply air filtering device of a protective hood comprises: air supply filter module 1, electric control unit 2, structural casing 3.
The air supply filter module 1 includes: high-efficient filter screen 4, centrifugal fan 5, blast pipe 6, quick connector 7 and blast pipe 6 are connected with thread flexible coupling's mode airtight, and high-efficient filter screen 4, centrifugal fan 5, blast pipe 6 are arranged according to the order, form initiative air feed cavity.
The electric control unit 2 includes: lithium cell 8, charging panel 9, switch 10, electric quantity indicator 11, output are taked care of board 12, and charging panel 9 contains typeC charging interface 13, TP4056 and charges chip 14, output port 15, and output is taked care of board 12 and is contained power supply input 16, SX1308 and is taken care of chip 17, drive port 18. The typeC charging interface 13 of the charging board 9 is electrically connected with the output port 15 through the TP4056 charging chip 14, and the power supply input 16 of the output conditioning board 12 is electrically connected with the driving port 18 through the SX1308 conditioning chip 17. The lithium battery 8 is electrically connected with the power supply input 16 of the electric quantity indicator lamp 11 and the output conditioning plate 12 through the power switch 10, and the output port 15 of the charging plate 9 is electrically connected with the lithium battery 8.
The structural shell 3 comprises: the air inlet cover 20 comprises a magnetic suction device 27 and an air inlet hole 28, and the external interface 21 comprises a pipeline interface 29, a power supply interface 30 and a charging interface 31. The air duct partition 25 of the fixed frame 19 has an air inlet opening and a guiding groove therein, and is mechanically connected with the supporting frame 22 in a bolt fastening manner, and is located between the air cabin 24 and the filter screen cabin 26. The electrical compartment 23 of the fixed frame 19 is independent of the nacelle compartment 24 and the screen compartment 26, is located on the side of the fixed frame 19 and is level with the screen compartment 26. The pipe line port 29, the power source port 30, and the charging port 31 of the external port 21 are screwed into the support frame 22 of the fixed frame 19. The magnetic attraction device 27 of the intake cover plate 20 is physically connected with the edge of the support frame 22 of the fixed frame 19 in a magnetic attraction manner, and the intake holes 28 of the intake cover plate 20 are positioned right above the filter screen chamber 26 of the fixed frame 19.
The air supply filtering module 1 is electrically connected with the electric control unit 2, and the centrifugal fan 5 of the air supply filtering module 1 is electrically connected with a driving port 18 of an output conditioning plate 12 in the electric control unit 2.
The air supply filter module 1 and the electrical control unit 2 are mechanically connected with the structural shell 3. The high-efficiency filter screen 4 of the air supply filter module 1 is mechanically connected with the filter screen cabin 26 of the fixed frame 19 in the structural shell 2 in a clearance fit mode, the centrifugal fan 5 of the air supply filter module 1 is mechanically connected with the fan cabin 24 of the fixed frame 19 in the structural shell 2 in a bolt fastening mode, and the quick-connection plug 7 of the air supply filter module 1 is in airtight and soft connection with the pipeline interface 29 of the external interface 21 in the structural shell 2. The lithium battery 8, the charging panel 9, the electric quantity indicator lamp 11 and the output conditioning panel 12 of the electric control unit 2 are positioned inside an electric cabin 23 of a fixing frame 19 in the structural shell 2, and all the components are tightly connected with the electric cabin 23. The TypeC charging interface 13 of the charging panel 9 in the electric control unit 2 is located inside the charging interface 31 open hole of the external interface 21 in the structural housing 2. The power switch 10 of the electrical control unit 2 is mechanically connected in a screw-fastening manner to the power interface 30 of the external interface 21 in the structural housing 3.
Specifically, when the active air supply device of the protective hood works, the step S100 is executed firstly, the power switch 10 of the electrical control unit 2 is turned on, and the electric quantity of the lithium battery 8 is checked through the electric quantity indicator lamp 11. When the electric quantity indicator lamp 11 in the electric control unit 2 displays that the electric quantity of the lithium battery 8 is too low, the step S101 is entered, and the TypeC charging interface 13 of the charging plate 9 is connected with a power supply through a charger until the electric quantity indicator lamp 11 displays full electric quantity; when the electric quantity of the lithium battery 8 meets the working requirement, the step S102 is carried out, the lithium battery 8 supplies power to the centrifugal fan 5 of the air supply filtering module 1 through the driving port 15 of the output conditioning plate 12, and the centrifugal fan 5 works. Then, in step S200, the ambient air firstly passes through the air inlet holes 28 of the air inlet cover plate 20 in the structural shell 3, and then is filtered by the high efficiency filter screen 4 of the air supply filter module 1 and then is discharged from the pipeline interface 29 of the external interface 21 in the structural shell 3. And finally, S300, the air supply pipeline 6 of the air supply filtering module 1 sends clean air into the protective head cover in an active air supply mode, and the environmental comfort level in the protective head cover is improved.
The present invention may be used as an active supply air filtering device for protective hoods providing sufficient functional modules for the user to modify the electrical control unit and the structural casing according to their specific field of application, all of which shall fall within the scope of protection of the appended claims.
Claims (3)
1. An active air supply filtering device of a protective hood comprises an air supply filtering module (1), an electrical control unit (2) and a structural shell (3), wherein the air supply filtering module (1) and the electrical control unit (2) are installed in the structural shell (3), and the air supply filtering module (1) is connected with the electrical control unit (2), and is characterized in that the air supply filtering module (1) comprises a high-efficiency filter screen (4), a centrifugal fan (5), an air supply pipeline (6) and a quick-connection plug (7), and the high-efficiency filter screen (4) and the centrifugal fan (5) are fixedly installed in the structural shell (3); the high-efficiency filter screen (4), the centrifugal fan (5) and the air supply pipeline (6) are sequentially arranged to form an active air supply cavity; wherein, the quick plug (7) connects the air outlet of the centrifugal fan (5) and the air supply pipeline (6) together in a sealing way;
the electric control unit (2) comprises a lithium battery (8), a charging plate (9), a power switch (10), an electric quantity indicator lamp (11) and an output conditioning plate (12); the charging board (9) comprises a TypeC charging interface (13), a TP4056 charging chip (14) and an output port (15), and the output conditioning board (12) comprises a power supply input (16), an SX1308 conditioning chip (17) and a driving port (18); the TypeC charging interface (13) is connected with the output port (15) through a TP4056 charging chip (14), and the power supply input port (16) is connected with the driving port (18) through an SX1308 conditioning chip (17); the lithium battery (8) is respectively connected with the electric quantity indicator lamp (11) and the power supply input port (1)6 through the power switch (10), and the output port (15) of the charging panel (9) is connected with the lithium battery (8);
the structure shell (3) comprises a fixed frame (19), an air inlet cover plate (20) and an external interface (21); the fixed frame (19) comprises a supporting frame (22), an electric cabin (23), a fan cabin (24), an air duct partition plate (25) and a filter screen cabin (26); the electric cabin (23), the fan cabin (24), the air duct partition plate (25) and the filter screen cabin (26) are all arranged in the support frame (22); an air inlet opening and a diversion trench are arranged in the air duct partition plate (25), and the air duct partition plate (25) is fixed on the inner wall of the supporting frame (22) and is positioned between the air engine room (24) and the filter screen room (26); the electric cabin (23) of the fixed frame (19) is independent of the wind cabin (24) and the filter screen cabin (26), is positioned on the side surface of the fixed frame (19), and is level to the filter screen cabin (26); the external interface (21) comprises a pipeline interface (29), a power interface (30) and a charging interface (31), and the pipeline interface (29), the power interface (30) and the charging interface (31) are respectively embedded in the supporting frame (22) in a threaded hole opening mode; the air inlet cover plate (20) comprises a magnetic suction device (27) and an air inlet hole (28); the magnetic suction device (27) is fixed at the edge of the support frame (22), and the air inlet hole (28) is fixed right above the filter screen cabin (26);
a centrifugal fan (5) of the air supply filtering module (1) is connected with a driving port (18) of an output conditioning plate (12) in the electric control unit (2);
a lithium battery (8), a charging plate (9), an electric quantity indicator lamp (11) and an output conditioning plate (12) of the electric control unit (2) are fixed in an electric cabin (23) of a fixed frame (19) in the shell (2).
2. The active air supply and filter device for the protective hood is characterized in that an efficient filter screen (4) of an air supply and filter module (1) is mechanically connected with a filter screen cabin (26) of a fixed frame (19) in a structural shell (2) in a clearance fit mode, a centrifugal fan (5) of the air supply and filter module (1) is mechanically connected with a fan cabin (24) of the fixed frame (19) in the structural shell (2) in a bolt fastening mode, and a quick-connection plug (7) of the air supply and filter module (1) is connected with a pipeline interface (29) of an external interface (21) in the structural shell (2) in an airtight hose mode.
3. The active air supply filter device for the protective hood according to claim 1, characterized in that the lithium battery (8), the charging panel (9), the electric quantity indicator lamp (11) and the output conditioning panel (12) of the electrical control unit (2) are located inside an electrical compartment (23) of a fixed frame (19) in the structural shell (2); the TypeC charging interface (13) of the charging plate (9) in the electric control unit (2) is fixed in the open hole of the charging interface (31) of the external interface (21); the power switch (10) is mechanically connected with a power interface (30) of an external interface (21) in the structural shell (3) in a bolt fastening mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010251394.3A CN111420320A (en) | 2020-04-01 | 2020-04-01 | Active air supply filtering device of protective hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010251394.3A CN111420320A (en) | 2020-04-01 | 2020-04-01 | Active air supply filtering device of protective hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111420320A true CN111420320A (en) | 2020-07-17 |
Family
ID=71551932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010251394.3A Pending CN111420320A (en) | 2020-04-01 | 2020-04-01 | Active air supply filtering device of protective hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111420320A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009021356A1 (en) * | 2007-08-13 | 2009-02-19 | Shenzhen Longgang Jinyixin Electronic Factory | Centrifugal air blower and fresh air device having the blower |
| CN101822877A (en) * | 2010-06-01 | 2010-09-08 | 中国人民解放军军事医学科学院卫生装备研究所 | Dynamic air supply system and control system thereof |
| CN204951994U (en) * | 2015-09-11 | 2016-01-13 | 中国人民解放军军事医学科学院卫生装备研究所 | Simple and easy compact power air supply system |
| CN205304291U (en) * | 2015-12-14 | 2016-06-08 | 深圳华升宝科技有限公司 | Multi -functional intelligent movement power |
| CN205925219U (en) * | 2016-04-05 | 2017-02-08 | 新呼吸(厦门)环保科技有限公司 | Air purifier |
| CN212548015U (en) * | 2020-04-01 | 2021-02-19 | 北京航天新风机械设备有限责任公司 | Active air supply filtering device of protective hood |
-
2020
- 2020-04-01 CN CN202010251394.3A patent/CN111420320A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009021356A1 (en) * | 2007-08-13 | 2009-02-19 | Shenzhen Longgang Jinyixin Electronic Factory | Centrifugal air blower and fresh air device having the blower |
| CN101822877A (en) * | 2010-06-01 | 2010-09-08 | 中国人民解放军军事医学科学院卫生装备研究所 | Dynamic air supply system and control system thereof |
| CN204951994U (en) * | 2015-09-11 | 2016-01-13 | 中国人民解放军军事医学科学院卫生装备研究所 | Simple and easy compact power air supply system |
| CN205304291U (en) * | 2015-12-14 | 2016-06-08 | 深圳华升宝科技有限公司 | Multi -functional intelligent movement power |
| CN205925219U (en) * | 2016-04-05 | 2017-02-08 | 新呼吸(厦门)环保科技有限公司 | Air purifier |
| CN212548015U (en) * | 2020-04-01 | 2021-02-19 | 北京航天新风机械设备有限责任公司 | Active air supply filtering device of protective hood |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205064320U (en) | Multi -functional thermantidote of trilateral air inlet | |
| CN212548015U (en) | Active air supply filtering device of protective hood | |
| CN101936588B (en) | Ultrasonic humidifier | |
| CN111420320A (en) | Active air supply filtering device of protective hood | |
| CN111084942A (en) | Purification gas defense new trend device suitable for malleation protective clothing | |
| JPS6464613A (en) | Electric cleaner | |
| CN208075045U (en) | A kind of smoke exhaust ventilator | |
| CN206176600U (en) | A ozone self -purification subassembly for new trend system | |
| CN204951994U (en) | Simple and easy compact power air supply system | |
| CN108592286A (en) | A kind of laboratory control device based on computer technology | |
| CN211584959U (en) | Antifog haze new trend power gauze mask | |
| CN210521566U (en) | Horizontal air blower | |
| CN212395643U (en) | Positive pressure protection hood intelligent monitoring system based on Bluetooth transmission | |
| CN108261703A (en) | A kind of mask | |
| CN216244700U (en) | Exhaust device for negative pressure cabin | |
| CN210448398U (en) | High-efficiency filter air supply outlet of laboratory animal house | |
| CN112642067A (en) | Protective hood | |
| CN215446755U (en) | Negative pressure isolation cabin exhaust filtering device | |
| CN213884615U (en) | Breathing support equipment of modular construction | |
| CN218820797U (en) | Multifunctional fresh air purifying device based on solar power supply | |
| CN218923602U (en) | Oxygen supply device for plateau tunnel | |
| CN211188758U (en) | Shower nozzle of cosmetic humidifier | |
| CN219375584U (en) | Portable air sterilizer for hanging neck | |
| CN219620948U (en) | Intelligent water purifier | |
| CN221027699U (en) | Miniature solar energy oxygenerator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |