CN113018714B - Negative oxygen ion purification device based on Beidou communication is wearable - Google Patents

Negative oxygen ion purification device based on Beidou communication is wearable Download PDF

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Publication number
CN113018714B
CN113018714B CN202110337810.6A CN202110337810A CN113018714B CN 113018714 B CN113018714 B CN 113018714B CN 202110337810 A CN202110337810 A CN 202110337810A CN 113018714 B CN113018714 B CN 113018714B
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CN
China
Prior art keywords
groove
filter screen
negative oxygen
oxygen ion
block
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Expired - Fee Related
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CN202110337810.6A
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Chinese (zh)
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CN113018714A (en
Inventor
梁力中
罗辉
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Guangdong Zhanjiang Institute Of Marine Medicine
Southern Marine Science and Engineering Guangdong Laboratory Zhanjiang
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Guangdong Zhanjiang Institute Of Marine Medicine
Southern Marine Science and Engineering Guangdong Laboratory Zhanjiang
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Application filed by Guangdong Zhanjiang Institute Of Marine Medicine, Southern Marine Science and Engineering Guangdong Laboratory Zhanjiang filed Critical Guangdong Zhanjiang Institute Of Marine Medicine
Priority to CN202110337810.6A priority Critical patent/CN113018714B/en
Publication of CN113018714A publication Critical patent/CN113018714A/en
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    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B7/00Respiratory apparatus
    • A62B7/10Respiratory apparatus with filter elements
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00Disinfection, sterilisation or deodorisation of air
    • A61L9/16Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/22Ionisation
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00Filters for breathing-protection purposes
    • A62B23/02Filters for breathing-protection purposes for respirators
    • A62B23/025Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B9/00Component parts for respiratory or breathing apparatus
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B9/00Component parts for respiratory or breathing apparatus
    • A62B9/04Couplings; Supporting frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/185Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851Systems using a satellite or space-based relay
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Engineering & Computer Science (AREA)
  • Pulmonology (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Astronomy & Astrophysics (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

The invention discloses a wearable negative oxygen ion purification device based on Beidou communication, which comprises a body, a signal converter, a secondary filter screen, a wearing belt and a negative oxygen ion purifier, wherein a sounder is arranged in an adjusting groove, the secondary filter screen is arranged on two sides of a protection plate, an installation block is arranged in an installation groove, the installation groove is formed in the body, a limiting block is arranged below the primary filter screen, the secondary filter screen is arranged outside a ventilation opening, connecting blocks are arranged at the left end and the right end of the negative oxygen ion purifier, and a buckle is arranged at the tail end of the wearing belt on the left side of the body. This negative oxygen ion purifier based on wearable big dipper communication is provided with and dresses area and adjustment band, and the setting of this part is used under the cooperation of dressing area and adjustment band for this purifier can dress, thereby is convenient for use in the open air, and owing to dress the mounting means in area, makes the device comparatively simple when dressing, has increased the practicality of device.

Description

Negative oxygen ion purification device based on Beidou communication is wearable
Technical Field
The invention relates to the technical field of air purification, in particular to a wearable negative oxygen ion purification device based on Beidou communication.
Background
The negative oxygen ion purifier is one environment optimizing electric appliance with the negative ion produced to purify, dedust, eliminate smell and sterilize air, the core function is to generate negative ions, optimize indoor air by utilizing the characteristics of dust removal, dust fall, sterilization and detoxification of the negative ions, actively attack the negative oxygen ions based on the purification principle, effectively avoid the defects that a filter screen type air purifier needs to replace a filter screen regularly, the purification is not thorough, secondary pollution is easy to form and the like, adopt the negative ion converter technology and the negative oxygen ion air purifier of the nano fullerene negative ion releaser technology, can generate ecological small-particle-size negative ions which are equal to the natural anions, provide 'air vitamins' while purifying the air, the ecological recuperation bath environment is formed indoors, the requirement of people on air quality is higher and higher at present, and in order to meet the requirement, the utilization rate of the negative oxygen ion purification device is higher and higher.
However, the existing negative oxygen ion purification device has some inconvenient places in the use process due to the structural characteristics;
1. The filter screen of the negative oxygen ion purification device is inconvenient to clean, needs to be removed and then is cleaned in a vibration mode, is inconvenient to install and troublesome to operate, reduces the practicability, and meanwhile, the ion generator is inconvenient to detach and troublesome to fix, influences the detachment and maintenance, shortens the service life and does not meet the use requirements of modern people;
2. the existing purification products can only be placed indoors or in a specific space in a vehicle to purify air generally due to overlarge volume, but in the existing actual life, the outdoor air quality is poor, and the existing purification devices cannot be carried at any time and cannot be used by people at any time;
3. the existing outdoor purification device often adopts the design mode of a gas mask, but when the telephone is needed to be answered outdoors, the mask needs to be taken down to conveniently answer the telephone due to the reason of the design mode in the process of answering the telephone, so that the purification device is inconvenient to use.
Therefore we have provided a wearable negative oxygen ion purifier based on big dipper communication to in solving the problem that proposes in the aforesaid.
Disclosure of Invention
The invention aims to provide a wearable negative oxygen ion purification device based on Beidou communication, and aims to solve the problems that the existing negative oxygen ion purification device is not intelligent enough and cannot be worn in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a wearable negative oxygen ion purification device based on Beidou communication comprises a body, a signal converter, a secondary filter screen, a wearing belt and a negative oxygen ion purifier, wherein matching frames are installed on two sides of the body, the wearing belt is installed in the matching frames, an adjusting belt is installed in the wearing belt, an adjusting groove is formed in the inner side of the wearing belt, folding cloth is installed in the adjusting groove and is connected with a sound generator, the sound generator is installed in the adjusting groove and is connected with a connecting wire, a sliding groove is formed in the adjusting groove, a sliding block is installed in the sliding groove and is installed at the upper end and the lower end of the sound generator, a protection plate is installed in the body, air holes are formed in the protection plate, the signal converter is installed above the protection plate, the secondary filter screen is installed on two sides of the protection plate, and an installation block is installed on the left side of the protection plate, and the mounting block is installed in the mounting groove which is opened in the body, the body is provided with a placing groove, the placing groove is provided with a negative oxygen ion purifier, the left side and the right side of the negative oxygen ion purifier are provided with a first-stage filter screen, the lower part of the first-stage filter screen is provided with a limiting block, the limiting block is installed in the scavenging port, the first-stage filter screen is installed in the scavenging port, the second-stage filter screen is installed outside the scavenging port, the left end and the right end of the negative oxygen ion purifier are provided with connecting blocks which are connected with the regulator, the connecting blocks are externally provided with connecting grooves, the first-stage filter screen is provided with a rotating block, the left side of the bottom of the body is provided with a data transmission port, the right side of the body is provided with a charging port, the lower part of the body is provided with a placing frame, and the tail end of a wearing belt on the left side of the body is provided with a buckle, and the tail end of the wearing belt on the right side of the body is provided with a clamping block.
Preferably, the body adopts flexible material, and the body appearance adopts the face guard design to be fixed connection between body and the wearing area.
Preferably, the protection shield is movably connected with the body and made of flexible materials, the protection shield is designed to be of a screen mesh structure, and meanwhile the installation area of the protection shield is smaller than the using area of the body.
Preferably, the secondary filter screen is movably connected with the body and made of foldable materials, and the area of the secondary filter screen is larger than that of the ventilation opening.
Preferably, the mounting block is fixedly connected with the protection plate, the mounting block is made of an adjustable material, the center line of the mounting block is overlapped with the center line of the mounting groove, and the inner diameter of the mounting groove is larger than the outer diameter of the mounting block.
Preferably, the regulator adopts a contact type power-on structural design, the central line of the regulator and the central line of the connecting groove are overlapped, the connecting groove adopts a charged groove structural design, and meanwhile, the depth of the connecting groove is larger than the length of the regulator.
Preferably, the primary filter screen is movably connected with the body, the primary filter screen is rotatably designed, the outer diameter of the primary filter screen is smaller than the inner diameter of the ventilation opening, and the filtering aperture of the primary filter screen is smaller than that of the secondary filter screen.
Preferably, the adjusting groove is not a through groove, the inner diameter of the adjusting groove is larger than the outer diameter of the sound generator, the depth of the adjusting groove is larger than the height of the sound generator, and the adjusting groove is movably connected with the folding cloth.
Preferably, the sliding block is fixedly connected with the sound emitter, the central line of the sliding block is overlapped with the central line of the sliding groove, the inner diameter of the sliding groove is larger than the outer diameter of the sliding block, and meanwhile, the depth of the sliding groove is smaller than the length of the sliding block.
Compared with the prior art, the invention has the beneficial effects that: the Beidou communication-based wearable negative oxygen ion purification device is characterized in that a Beidou communication-based wearable negative oxygen ion purification device is provided;
1. the purification device is provided with the wearing belt and the adjusting belt, the purification device can be worn under the matching use of the wearing belt and the adjusting belt, so that the purification device is convenient to use outdoors, and the device is simpler to wear due to the installation mode of the wearing belt, so that the practicability of the device is improved;
2. the purification device has the advantages that the purification device is provided with the sound generator and the adjusting groove, the purification device has the functions of sound generation and sound transmission under the action of the sound generator, so that the device can make a call without taking down the device when making a call, and the position of the sound generator can be conveniently adjusted under the action of the adjusting groove, so that sound transmission is better performed, and the functionality of the device is improved;
3. The connecting block and the connecting groove are arranged, and the components can be quickly disassembled under the matching action of the connecting block and the connecting groove after the negative oxygen purification device is used for a long time and needs to be replaced, so that the negative oxygen purification device is replaced, and the practicability of the device is improved;
4. be provided with one-level filter screen and second grade filter screen, under the filterable effect of one-level for the air that gets into in the negative oxygen purifier has been by prefilter, thereby has alleviateed negative oxygen purifier's work load, has increased negative oxygen purifier's life, under the effect of second grade filter screen, makes the device's filter effect better, has increased the availability factor of device.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the main cross-sectional structure of the present invention;
FIG. 3 is a schematic view of an adjusting tank installation structure of the present invention;
FIG. 4 is a schematic view of the mounting structure of the sound generator of the present invention;
FIG. 5 is a schematic bottom view of the present invention;
fig. 6 is a schematic view of the mounting structure of the rack and the body of the present invention.
In the figure: 1. a body; 2. a protection plate; 3. air holes are formed; 4. a signal converter; 5. a secondary filter screen; 6. mounting blocks; 7. a fitting frame; 8. a wearing belt; 9. an adjustment belt; 10. buckling; 11. a clamping block; 12. a data transmission port; 13. mounting grooves; 14. a negative oxygen ion purifier; 15. a placement groove; 16. a regulator; 17. connecting blocks; 18. a first-stage filter screen; 19. rotating the block; 20. folding the cloth; 21. a sound generator; 22. an adjustment groove; 23. a connecting wire; 24. connecting grooves; 25. a chute; 26. a slider; 27. placing a rack; 28. a charging port; 29. a limiting block; 30. and (4) a ventilation port.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a wearable negative oxygen ion purification device based on Beidou communication comprises a body 1, a protection plate 2, air holes 3, a signal converter 4, a secondary filter screen 5, an installation block 6, a matching frame 7, a wearing belt 8, an adjusting belt 9, a buckle 10, a clamping block 11, a data transmission port 12, an installation groove 13, a negative oxygen ion purifier 14, a placement groove 15, an adjuster 16, a connecting block 17, a primary filter screen 18, a rotating block 19, a folding cloth 20, a sound generator 21, an adjusting groove 22, a connecting line 23, a connecting groove 24, a sliding groove 25, a sliding block 26, a placement frame 27, a charging port 28, a limiting block 29 and a ventilation port 30, wherein the matching frame 7 is installed on two sides of the body 1, the wearing belt 8 is installed in the matching frame 7, the adjusting belt 9 is installed in the wearing belt 8, the adjusting groove 22 is formed on the inner side of the wearing belt 8, the folding cloth 20 is installed in the adjusting groove 22, and the folding cloth 20 is connected with the sound generator 21, the sound generator 21 is installed in an adjusting groove 22, the sound generator 21 is connected with a connecting wire 23, a sliding groove 25 is arranged in the adjusting groove 22, a sliding block 26 is installed in the sliding groove 25, the sliding block 26 is installed at the upper end and the lower end of the sound generator 21, a protection plate 2 is installed in the body 1, air holes 3 are arranged in the protection plate 2, a signal converter 4 is installed above the protection plate 2, two secondary filter screens 5 are installed at two sides of the protection plate 2, an installation block 6 is installed at the left side of the protection plate 2, the installation block 6 is installed in an installation groove 13, the installation groove 13 is arranged in the body 1, a placement groove 15 is arranged in the body 1, a negative oxygen ion purifier 14 is installed in the placement groove 15, primary filter screens 18 are installed at the left side and the right side of the negative oxygen ion purifier 14, a limiting block 29 is installed below the primary filter screens 18, and the limiting blocks 29 are installed in air vents 30, and primary filter 18 installs in scavenge port 30, secondary filter 5 installs the outside at scavenge port 30, connecting block 17 is installed at both ends about negative oxygen ion clarifier 14, and connecting block 17 is connected with regulator 16, and install connecting groove 24 outward on connecting block 17, install turning block 19 in the primary filter 18, data transmission port 12 is installed on the bottom left side of body 1, and the right side of body 1 installs charging port 28, and rack 27 is installed to the below of body 1, buckle 10 is installed to the left 8 end in wearing area of body 1, and 8 end in wearing area on body 1 right side installs fixture block 11.
Body 1 adopts flexible material, and the design of the 1 appearance adoption face guard of body to be fixed connection between body 1 and the wearing area 8, the design of above-mentioned structure, the use of the body 1 of being convenient for.
Protection shield 2 and body 1 swing joint, and protection shield 2 is flexible material to protection shield 2 adopts the screen cloth structural design, and the installation area of protection shield 2 simultaneously is less than the usable floor area of body 1, and the design of above-mentioned structure makes the design of protection shield 2, can not influence the use of body 1.
Secondary filter screen 5 and body 1 adopt swing joint, and secondary filter screen 5 adopts collapsible material to secondary filter screen 5's area is greater than the area of scavenge port 30, and the design of above-mentioned structure is convenient for secondary filter screen 5 and is used.
Installation piece 6 and protection shield 2 fixed connection, and installation piece 6 self adopts adjustable material to the central line of installation piece 6 and the central line of mounting groove 13 coincide each other, and the internal diameter of mounting groove 13 is greater than the external diameter of installation piece 6 simultaneously, and the design of above-mentioned structure is convenient for the installation and the dismantlement of protection shield 2.
The regulator 16 adopts a contact type electrifying structure design, the central line of the regulator 16 and the central line of the connecting groove 24 are mutually overlapped, the connecting groove 24 adopts an electrified groove structure design, and meanwhile, the depth of the connecting groove 24 is greater than the length of the regulator 16, and the structure design is convenient for the use of the negative oxygen ion purifier 14.
Primary filter 18 and body 1 swing joint, and primary filter 18 itself adopts rotatable design to primary filter 18's external diameter is less than the internal diameter of scavenge port 30, and primary filter 18 filters the filtration aperture and is less than the filtration aperture of secondary filter 5 simultaneously, and the design of above-mentioned structure increases the purifying effect of the device.
The adjusting groove 22 is not a through groove, the inner diameter of the adjusting groove 22 is larger than the outer diameter of the sound generator 21, the depth of the adjusting groove 22 is larger than the height of the sound generator 21, and meanwhile, the adjusting groove 22 is movably connected with the folding cloth 20.
Slider 26 and pronunciation ware 21 fixed connection, and the central line of slider 26 and the mutual coincidence of the central line of spout 25 to the internal diameter of spout 25 is greater than the external diameter of slider 26, and the degree of depth of spout 25 is less than the length of slider 26 simultaneously, and the design of above-mentioned structure, the position control of the ware 21 of pronouncing for making the people of being convenient for use.
The working principle is as follows: when the wearable negative oxygen ion purification device based on Beidou communication is used, firstly, the influence of weather is received, the air quality is increasingly poor, when the device needs to be used, the body 1 placed on the placing rack 27 for charging is taken down, the buckle 10 and the clamping block 11 between the wearing belts 8 which are clamped together are loosened, so that the wearing belts 8 are separated, the separated wearing belts 8 are tried on, due to the fact that the adjusting belt 9 is installed in the wearing belts 8, the device can be suitable for people with different head circumferences, in the process of trying on, the position of the sounder 21 can be adjusted, so that the use of people cannot be influenced by the existence of the sounder 21, the sounding position of the sounder 21 cannot make a wearer feel uncomfortable, in the adjusting process, the sounder 21 is pushed, the sounder 21 can move in a certain range along the wearing belts 8 under the matching use of the sliding grooves 25 and the sliding blocks 26, therefore, the sounding position of the sounder 21 is more suitable, when the sounding position is adjusted, the body 1 is taken down, the protection plate 2 arranged in the body 1 is opened, whether the secondary filter screen 5 and the negative oxygen ion purifier 14 need to be replaced or not is observed, if the sounding position does not need to be replaced, the protection plate 2 is arranged on the body 1 again through the installation block 6, the body 1 after the adjustment and the inspection is carried on the face, the position of the sounder 21 is just right near the ear, in the process of outdoor use, the negative oxygen ion purifier 14 purifies the breath needing to be purified through the ventilation port 30 and then is discharged from the ventilation hole 3, so that people can use the negative oxygen ion purifier outdoors, when the user needs to make a call, because the signal converter 4 is in communication connection with the Beidou satellite, the user can complete the telephone on the premise of not taking down the body 1, thereby making the body 1 more convenient to use.
To thereby carry out a series of tasks, the contents of which are not described in detail in the present specification are known to those skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof.

Claims (1)

1. The utility model provides a negative oxygen ion purifier based on big dipper communication is wearable, includes body (1), signal converter (4), secondary filter screen (5), dresses area (8) and negative oxygen ion purifier (14), its characterized in that: the utility model discloses a sound production device, including body (1), cooperation frame (7) is installed to the both sides of body (1), and installs in cooperation frame (7) and dress area (8) in install regulation band (9), regulation groove (22) have been seted up to dress area (8) inboard, and install folding cloth (20) in regulation groove (22), and folding cloth (20) are connected with pronunciation ware (21), pronunciation ware (21) are installed in regulation groove (22), and pronunciation ware (21) are connected with connecting wire (23), seted up spout (25) in regulation groove (22), and install slider (26) in spout (25) to slider (26) are installed at the upper and lower both ends of pronunciation ware (21), install protection shield (2) in body (1), and seted up bleeder vent (3) in opening in protection shield (2), and signal converter (4) are installed to the top of protection shield (2), meanwhile, the signal converter (4) is connected with the sound generator (21) through a connecting wire (23), so that a wearer can receive telephone signals by matching the sound generator (21), two-stage filter screens (5) are installed on two sides of the protection board (2), an installation block (6) is installed on the left side of the protection board (2), the installation block (6) is installed in an installation groove (13), the installation groove (13) is formed in the body (1), a placement groove (15) is formed in the body (1), a negative oxygen ion purifier (14) is installed in the placement groove (15), primary filter screens (18) are installed on the left side and the right side of the negative oxygen ion purifier (14), a limiting block (29) is installed below the primary filter screens (18), the limiting block (29) is installed in a ventilation opening (30), and the primary filter screens (18) are installed in the ventilation opening (30), the outside at scavenge port (30) is installed in second grade filter screen (5), connecting block (17) are installed at both ends about negative oxygen ion clarifier (14), and connecting block (17) are connected with regulator (16) to connecting groove (24) are installed outward to connecting block (17), install turning block (19) in one-level filter screen (18), data transmission mouth (12) are installed in the bottom left side of body (1), and the right side of body (1) installs mouth (28) that charges to rack (27) are installed to the below of body (1), buckle (10) are installed to left wearing area (8) end of body (1), and wearing area (8) end on body (1) right side installs fixture block (11).
The body (1) is made of flexible materials, the appearance of the body (1) is designed to be a face mask, and the body (1) is fixedly connected with the wearing belt (8).
The protective plate (2) is movably connected with the body (1), the protective plate (2) is made of flexible materials, the protective plate (2) is designed to be of a screen structure, and meanwhile the installation area of the protective plate (2) is smaller than the using area of the body (1).
The secondary filter screen (5) is movably connected with the body (1), the secondary filter screen (5) is made of foldable materials, and the area of the secondary filter screen (5) is larger than that of the ventilation opening (30).
Installation piece (6) and protection shield (2) fixed connection, and installation piece (6) self adopts adjustable material to the central line of installation piece (6) and the central line of mounting groove (13) coincide each other, the internal diameter of mounting groove (13) is greater than the external diameter of installation piece (6) simultaneously, makes protection shield (2) install fixedly through installation piece (6) and mounting groove (13).
The regulator (16) adopts a contact type electrifying structure design, the center line of the regulator (16) and the center line of the connecting groove (24) are overlapped, the connecting groove (24) adopts an electrified groove structure design, and meanwhile, the depth of the connecting groove (24) is greater than the length of the regulator (16), so that the regulator (16), the connecting block (17) and the connecting groove (24) can install and fix the subsequently installed negative oxygen purification device.
The primary filter screen (18) is movably connected with the body (1), the primary filter screen (18) is rotatably designed, the outer diameter of the primary filter screen (18) is smaller than the inner diameter of the ventilation opening (30), and the filtering aperture of the primary filter screen (18) is smaller than that of the secondary filter screen (5).
The adjusting groove (22) is not a through groove, the inner diameter of the adjusting groove (22) is larger than the outer diameter of the sound generator (21), the depth of the adjusting groove (22) is larger than the height of the sound generator (21), and meanwhile the adjusting groove (22) is movably connected with the folding cloth (20).
The sliding block (26) is fixedly connected with the sounder (21), the center line of the sliding block (26) is overlapped with the center line of the sliding groove (25), the inner diameter of the sliding groove (25) is larger than the outer diameter of the sliding block (26), and meanwhile the depth of the sliding groove (25) is smaller than the length of the sliding block (26).
CN202110337810.6A 2021-03-30 2021-03-30 Negative oxygen ion purification device based on Beidou communication is wearable Expired - Fee Related CN113018714B (en)

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CN113018714B true CN113018714B (en) 2022-06-28

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