CN114917497B

CN114917497B - Plasma-based electronic protection device

Info

Publication number: CN114917497B
Application number: CN202210505962.7A
Authority: CN
Inventors: 刘琦; 吴征威
Original assignee: University of Science and Technology of China USTC
Current assignee: University of Science and Technology of China USTC
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2023-03-31
Anticipated expiration: 2042-05-10
Also published as: CN114917497A

Abstract

The invention belongs to the technical field of low-temperature atmospheric plasma, and particularly relates to an electronic protection device based on plasma, which comprises a splash-proof mask; the left side and the right side of the splash-proof mask are respectively fixedly connected with an air quality sensor and a communication device; the side wall of the splash-proof mask is positioned on the air quality sensor and is fixedly connected with an oronasal ventilation block below the air quality sensor; a protective shell is arranged below the splash-proof mask; the protective shell is communicated with the mouth and nose ventilation block through a connecting pipe; an air supply device and a discharge device are arranged in the protective shell; the convenience of the splash-proof mask and the protective shell can enable workers to complete plasmatization of air quickly and conveniently, the carrying of large-scale plasma equipment is reduced, the workers can operate conveniently, and the portability is improved.

Description

Plasma-based electronic protection device

Technical Field

The invention belongs to the technical field of low-temperature atmospheric plasma, and particularly relates to an electronic protection device based on plasma.

Background

According to relevant data statistics, 10000 liters of air are inhaled by each person every day, the atmospheric environment problem with bacteria, viruses and PM2.5 as characteristic pollutants is increasingly prominent, and the promotion of public consciousness drives the blowout type growth of the air purifier industry.

A chinese patent publication No. CN108022821B discloses a plasma processing apparatus and a corrosion-resistant protection method for a gas channel, which includes arranging a liner inside the gas channel for introducing a reaction gas into a reaction chamber, and conveying the reaction gas in the liner; the bushing is made of a material that prevents corrosion by the reaction gas; the lining is contacted with the inner wall of the gas channel or has a gap, or is contacted with the inner wall of the surface treatment protective layer formed on the inner wall of the gas channel or has a gap, so that double protection is realized.

In the prior art, a plasma device applied to air treatment is generally large in size and not easy to carry, and high-concentration ozone is easily generated in the discharge process of plasma equipment, so that potential harm is caused to the health of users.

To this end, the present invention provides a plasma-based electronic protection device.

Disclosure of Invention

To remedy the deficiencies of the prior art, at least one of the technical problems set forth in the background is addressed.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to an electronic protection device based on plasma, which comprises a splash-proof mask; the left side and the right side of the splash-proof mask are respectively and fixedly connected with an air quality sensor and a communication device; the side wall of the splash-proof mask is positioned on the air quality sensor and is fixedly connected with an oronasal ventilation block below the air quality sensor; a protective shell is arranged below the splash-proof mask; the protective shell is communicated with the mouth-nose ventilation block through a connecting pipe; an air supply device and a discharge device are arranged in the protective shell; during operation, the working personnel can quickly and conveniently complete the plasmatization of air by utilizing the convenience of the splash-proof mask and the protective shell, the carrying of large-scale plasma equipment is reduced, the working personnel can conveniently operate, and the portability is improved.

Preferably, the discharge device inside the protective shell is respectively composed of a needle-shaped anode and a porous grounding electrode; the distance between the needle-shaped anode and the porous grounding electrode is adjustable; the needle-shaped part of the needle-shaped anode is fixed with a belt of 2-3 cm in length and is made of 304 stainless steel subjected to micro-arc oxidation; during working, the 304 stainless steel subjected to micro-arc oxidation by the air quality sensor can effectively reduce the ozone generation rate in the discharging process, so that the biocompatibility of equipment is improved, the use of workers is protected, and the influence of ozone on the body health of the workers is reduced.

Preferably, the splash-proof mask is made of transparent compact hydrophobic materials, and the shell of the splash-proof mask is designed by human engineering and wraps the whole face; the shape of the mouth-nose ventilation block is designed to be attached to the face to wrap the mouth-nose, the mouth-nose ventilation block is made of a breathable material, and an active carbon filter layer is arranged in the inner layer; the protective shell is made of light plastic, and the interior of the protective shell is sealed, so that the air tightness is ensured; during operation, utilize splashproof face guard and oronasal ventilation piece can reduce the outside air admission that does not pass through plasmatization, carry out secondary filter to plasmatized air simultaneously, reduce dust impurity and get into the staff health, reduce the damage to the staff health.

Preferably, the side wall of the splash guard is provided with a first sliding groove; two ends of the first sliding groove are rotatably connected with a first rotating shaft; the first rotating shaft is connected with the first sliding groove through a torsion spring; two ends of the same fixing belt are wound on the side walls of the first rotating shafts; a buffer pad is connected inside the first sliding groove in a sliding manner; the buffer cushion is connected with the first sliding groove through a spring; the during operation utilizes the rotation of pivot under the torsional spring effect, can increase equipment adaptability, makes things convenient for different staff to wear, and the while blotter can reduce the extrusion of splashproof face guard to face with the facial contact of staff, through the blotter to pressure dispersion, reduces the oppression to staff's face, improves and wears the comfort level.

Preferably, a rubber layer is fixedly connected to the side wall of the cushion pad far away from the first sliding groove; a limit groove is formed in the side wall, away from the first sliding groove, of the rubber layer; the limiting grooves are in multiple groups and are uniformly arranged; the during operation utilizes the adsorption effect of spacing groove to face, can further increase the fixed effect of splashproof face guard, for the staff improves to support, reduces the splashproof face guard and appears leading to the staff to inhale for plasma's gas from facial gliding in the work.

Preferably, two sliding grooves are formed in the side wall of the rubber layer on two sides of the plurality of groups of limiting grooves; an extrusion plate is connected inside each group of second sliding grooves in a sliding mode; a plurality of groups of third sliding grooves are formed in the side wall of the inner part of the limiting groove; the third sliding groove is communicated with the second sliding groove; a cleaning plate is connected inside the third sliding groove in a sliding manner; one end of the cleaning plate is fixedly connected to the side wall of the extrusion plate; the other end of the cleaning plate penetrates through the third sliding groove and is attached to the side wall of the limiting groove in a forked shape; the during operation utilizes scraping off of spacing groove lateral wall when clearance plate removes, can reduce piling up of dust impurity on the spacing groove lateral wall, increases the follow-up and facial contact effect of staff of spacing groove, improves adsorption strength, increases the fixed effect to the splashproof face guard, and it is stable to keep.

Preferably, a plurality of groups of four sliding grooves are formed in the contact side wall of the forked end part of the cleaning plate and the limiting groove; the side wall of the fourth sliding chute is rotatably connected with a scraper; the scraper and the fourth sliding chute are connected through a torsion spring; during operation, the scraper blade is utilized to additionally contact the side wall of the limiting groove, dust existing on the side wall of the limiting groove can be further cleaned, accumulation of dust and impurities is reduced, and the subsequent fixing effect on the splash-proof mask is influenced.

Preferably, a fifth sliding groove penetrates through the side wall of the fourth sliding groove; a limiting plate is connected inside the fifth sliding chute in a sliding manner; one end of the limiting plate is fixedly connected to the side wall of the scraper; impact grooves are formed in the side walls of the two sides of the limiting plate; the side walls of the two sides of the fifth sliding chute are connected with impact plates in a sliding manner; the impact plate is connected with the fifth sliding groove through a torsion spring; the end part of the impact plate is rotationally connected with a roller; the roller is in contact with the side wall of the limiting plate; during operation, the impact plate is utilized to cooperate with the roller to impact the impact groove, so that the vibration can be conducted to remove dust attached to the side wall of the scraper blade after the dust is scraped, accumulation of dust and impurities is reduced, and the subsequent cleaning effect is influenced.

Preferably, two sides of the side wall of the end part of the extrusion plate, which is far away from the second sliding chute, are rotatably connected with side plates; the side plates are connected with the extrusion plate through torsion springs; the side wall of the end part of the extrusion plate is provided with a pair of six staggered sliding chutes; a stress plate is connected inside the No. six sliding chute in a sliding manner; one end of the stress plate is fixedly connected to the side wall of the side plate; during operation, after the stress plate moves when the side plates rotate, the contact area between the working personnel and the end part of the extrusion plate can be increased, the single-point extrusion force of the end part of the extrusion plate on the face of the working personnel is reduced, and the uncomfortable feeling of the face of the working personnel is reduced.

Preferably, the side wall of the scraper close to the limit groove is rotatably connected with a plurality of groups of hairbrushes; the brush and the splash-proof mask are connected through a torsion spring; the brush shaft is wound with a connecting rope; the other end of the connecting rope is wound on the scraper shaft; the during operation utilizes to connect the brush that the rope was dragged the drive and removes, can keep brush self state when the scraper blade is accomodate, reduces the card that appears between scraper blade and the No. three spout lateral walls and pause, influences follow-up equipment normal use.

The invention has the following beneficial effects:

1. according to the plasma-based electronic protection device, due to the utilization of the convenience of the splash-proof mask and the protection shell, workers can complete air plasmatization quickly and conveniently, the carrying of large-scale plasma equipment is reduced, the operation of the workers is facilitated, and the portability is improved.

2. According to the plasma-based electronic protection device, the 304 stainless steel subjected to micro-arc oxidation by the air quality sensor is utilized, so that the ozone generation rate can be effectively reduced in the discharging process, the biocompatibility of equipment is improved, the use of workers is protected, and the influence of ozone on the body health of the workers is reduced.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic structural view of a protective enclosure according to the present invention;

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is a schematic view of the structure of the cushion of the present invention;

FIG. 5 is a schematic view of the cleaning plate of the present invention;

FIG. 6 is a schematic view of the construction of the squeegee of the present invention;

FIG. 7 is a cross-sectional end view of an extruded panel of the present invention;

FIG. 8 is a schematic structural view of the second embodiment;

in the figure: 1. a splash-proof mask; 11. an air quality sensor; 12. a nose and mouth ventilation block; 13. a connecting pipe; 14. a protective housing; 15. a communication device; 2. fixing belts; 21. a first chute; 22. a first rotating shaft; 23. a cushion pad; 3. a rubber layer; 31. a limiting groove; 4. a second chute; 41. a pressing plate; 42. a third sliding chute; 43. cleaning the plate; 5. a fourth sliding chute; 51. a squeegee; 6. a fifth chute; 61. a limiting plate; 62. an impact groove; 63. an impact plate; 64. a roller; 7. a side plate; 71. a sixth chute; 72. a stress plate; 8. a brush; 81. connecting ropes; 9. a needle-shaped anode; 91. porous earth electrode.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example one

As shown in fig. 1, the plasma-based electronic protection device according to the embodiment of the present invention includes a splash guard 1; the left side and the right side of the splash guard 1 are respectively fixedly connected with an air quality sensor 11 and a communication device 15; the side wall of the splash-proof mask 1 is positioned at the air quality sensor 11 and is fixedly connected with an oronasal ventilation block 12 below the air quality sensor; a protective shell 14 is arranged below the splash guard 1; the protective shell 14 is communicated with the oral-nasal ventilation block 12 through a connecting pipe 13; an air supply device and a discharge device are arranged in the protective shell 14; during operation, when the staff need use the plasma device to evolve the air in the face of special environment, can laminate at the face through handheld splashproof face guard 1, air quality sensor 11 at this moment begins to work at first, begin to detect the ambient air, judge whether accord with operating condition, the inside air supply arrangement of protective housing 14 begins to function after the environment is confirmed, judge control air input and discharge power to the air quality through air quality sensor 11, 14 inside air supply arrangement of protective housing inhales the ambient air this moment, through plasma treatment after getting into the discharge device, will handle the air after through connecting pipe 13 and send into oronasal ventilation piece 12 for the staff normally to breathe, the convenience that utilizes splashproof face guard 1 and protective housing 14 can be fast, convenient messenger's staff accomplishes the plasmatization to the air, reduce the transport of extensive plasma equipment, make things convenient for the staff to operate, improve the portability.

As shown in fig. 2, the discharge device inside the protective casing 14 is composed of a needle anode 9 and a porous grounding electrode 91; the distance between the needle-shaped anode 9 and the porous grounding electrode 91 is adjustable; the needle-shaped part of the needle-shaped anode 9 is fixed with a belt of 2-3 cm in length and is made of 304 stainless steel subjected to micro-arc oxidation; during operation, when protective housing 14 is taken outside air away through air supply arrangement, needle anode 9 passes through connecting wire's high-voltage pole, for the high potential, the low potential of cooperation porous earthing pole 91 can form into the potential difference, thereby the working gas that punctures and pass through, form high density plasma, utilize air quality sensor 11 self to pass through micro arc oxidation's 304 stainless steel, can effectively reduce the ozone incidence at the discharge in-process, thereby improve the biocompatibility of equipment, provide the protection for staff's use, reduce the influence that ozone caused to staff's health.

As shown in fig. 1, the anti-splash mask 1 is made of transparent dense hydrophobic material, and the shell of the anti-splash mask is designed for human engineering and wraps the whole face; the shape of the nose and mouth ventilating block 12 is designed to be attached to the face to wrap the nose and mouth, the nose and mouth ventilating block is made of a ventilating material, and an active carbon filtering layer is arranged in the inner layer; the protective shell 14 is made of light plastic, and the interior of the protective shell is sealed, so that the air tightness is ensured; the during operation, the staff can keep apart the outside air through wearing splash guard 1, self hydrophobic material simultaneously, can make liquid slide fast if meet liquid splash, the inside active carbon filter layer of oronasal ventilation piece 12 simultaneously can block the impurity that exists in the air, utilize splash guard 1 and oronasal ventilation piece 12 can reduce the outside air admission that does not pass through plasmatization, carry out secondary filter to plasmatization air simultaneously, reduce dust impurity and get into the staff health, the reduction is to the damage of staff's health.

As shown in fig. 3, a first sliding groove 21 is formed in the side wall of the splashproof mask 1; two ends of the first sliding groove 21 are rotatably connected with a first rotating shaft 22; the first rotating shaft 22 is connected with the first sliding groove 21 through a torsion spring; two ends of the same fixing belt 2 are wound on the side walls of the first rotating shaft 22; a buffer pad 23 is connected inside the first sliding groove 21 in a sliding manner; the buffer pad 23 is connected with the first sliding groove 21 through a spring; the during operation, the staff can drag fixed band 2 and make fixed band 2 rotatory on pivot 22, in order to increase fixed band 2 self length, adapt to different staff head sizes, along with a pivot 22 rotation under the torsional spring effect, can make fixed band 2 laminate at the staff head, when staff and splashproof mask 1 contact, blotter 23 contacts with staff's face in advance under the spring action, utilize pivot 22 rotation under the torsional spring effect, can increase equipment adaptability, make things convenient for different staff to wear, blotter 23 and staff's facial contact can reduce splashproof mask 1 to facial extrusion simultaneously, through blotter 23 to pressure dispersion, reduce the oppression to staff's face, improve and wear the comfort level.

As shown in fig. 3 to 4, a rubber layer 3 is fixedly connected to a side wall of the cushion pad 23 away from the first sliding groove 21; a limit groove 31 is formed in the side wall, away from the first sliding groove 21, of the rubber layer 3; the limiting grooves 31 are arranged in multiple groups and are uniformly arranged; the during operation, when the staff wears splashproof face guard 1, rubber layer 3 contacts with the staff face in advance, through self material, can deform when the contact, make spacing groove 31 receive the extrusion and make inside air escape, adsorb the face, utilize spacing groove 31 to the adsorption effect of face, can further increase the fixed effect of splashproof face guard 1, improve support for the staff, reduce splashproof face guard 1 and appear leading to the staff to inhale for the gas of plasmatization from facial gliding in work.

As shown in fig. 4 to 5, two sliding grooves 4 are respectively formed on the two sides of the plurality of sets of limiting grooves 31 on the side wall of the rubber layer 3; an extrusion plate 41 is connected inside each group of second sliding grooves 4 in a sliding manner; a plurality of sets of third sliding grooves 42 are formed in the side wall of the limiting groove 31; the third sliding groove 42 is communicated with the second sliding groove 4; a cleaning plate 43 is connected inside the third sliding groove 42 in a sliding manner; one end of the cleaning plate 43 is fixedly connected to the side wall of the extrusion plate 41; the other end of the cleaning plate 43 passes through the third sliding groove 42 and is attached to the side wall of the limiting groove 31 in a forked shape; the during operation, when the staff wears splashproof face guard 1, stripper plate 41 contacts with staff's face in advance, make stripper plate 41 remove to 4 insides of No. two spouts under the extrusion force effect, can drive clearance board 43 along with stripper plate 41's removal this moment, clearance board 43 self bifurcation end strikes off the dust on the lateral wall of spacing groove 31 through the removal on the lateral wall of spacing groove 31, strike off the lateral wall of spacing groove 31 when utilizing stripper plate 43 to remove, can reduce piling up of dust impurity on the lateral wall of spacing groove 31, increase the follow-up and facial contact effect of staff of spacing groove 31, improve the adsorption strength, increase the fixed effect to splashproof face guard 1, and the stability is maintained.

As shown in fig. 5 to 6, a plurality of sets of four sliding grooves 5 are formed on the contact side wall of the forked end of the cleaning plate 43 and the limiting groove 31; the side wall of the fourth sliding chute 5 is rotatably connected with a scraper 51; the scraper 51 is connected with the fourth sliding chute 5 through a torsion spring; the during operation, when cleaning plate 43 and spacing groove 31 lateral wall contact, scraper blade 51 outwards expands under the torsional spring effect, make its tip and spacing groove 31 lateral wall contact, cooperation cleaning plate 43 clears up the dust on the spacing groove 31 lateral wall, when simultaneously removing gradually to No. three spout 42 inside cleaning plate 43, scraper blade 51 is in income No. four spout 5 under the extrusion force effect, utilize scraper blade 51 to the additional contact of spacing groove 31 lateral wall, can further clear up the dust that exists on the spacing groove 31 lateral wall, reduce piling up of dust impurity, lead to influencing follow-up fixed effect to splashproof mask 1.

As shown in fig. 6, a fifth sliding groove 6 penetrates through the side wall of the fourth sliding groove 5; a limiting plate 61 is connected inside the fifth sliding chute 6 in a sliding manner; one end of the limiting plate 61 is fixedly connected to the side wall of the scraper 51; impact grooves 62 are formed in the side walls of the two sides of the limiting plate 61; the side walls of the two sides of the fifth sliding chute 6 are connected with an impact plate 63 in a sliding manner; the impact plate 63 is connected with the fifth sliding groove 6 through a torsion spring; the end part of the impact plate 63 is rotatably connected with a roller 64; the roller 64 is contacted with the side wall of the limit plate 61; the during operation, at scraper blade 51's rotation in-process, can drive limiting plate 61 and remove inside No. 6 spouts, make gyro wheel 64 constantly rotate, multiunit striking groove 62 that sets up on the limiting plate 61 contacts it at gyro wheel 64, striking plate 63 removes under the spring action, can drive striking plate 63 constantly and drive gyro wheel 64 and strike at striking groove 62 inside along with limiting plate 61's one-step removal, produce vibrations, utilize striking plate 63 cooperation gyro wheel 64 to the striking that striking groove 62 produced, can make vibrations strike off the back adnexed dust through the conduction on scraper blade 51 lateral wall and carry out not hard up clearance, reduce piling up of dust impurity, influence follow-up clearance effect.

As shown in fig. 7, the two sides of the side wall of the end part of the extrusion plate 41 far away from the second sliding chute 4 are rotatably connected with side plates 7; the side plate 7 is connected with the extrusion plate 41 through a torsion spring; a pair of six sliding grooves 71 which are arranged in a staggered manner is formed in the side wall of the end part of the extrusion plate 41; a stress plate 72 is connected inside the No. six sliding groove 71 in a sliding manner; one end of the stress plate 72 is fixedly connected with the side wall of the side plate 7; the during operation, when the staff wears splash guard 1, a pair of curb plate 7 expandes outside stripper plate 41 both sides respectively under torsional spring torsion effect, at the removal in-process of curb plate 7, the atress board 72 slides inside No. six spout 71, make staff's face and stripper plate 41's area of contact increase, after the atress board 72 moved when utilizing the rotation of curb plate 7, can increase the area of contact of staff and stripper plate 41 tip, reduce the single-point extrusion force of stripper plate 41 tip to staff's face, reduce the facial uncomfortable sense of staff.

Example two

As shown in fig. 8, a first comparative example, in which another embodiment of the present invention is: the side wall of the scraper 51 close to the limiting groove 31 is rotatably connected with a plurality of groups of brushes 8; the brush 8 and the splash-proof mask 1 are connected through a torsion spring; a connecting rope 81 is wound on the shaft of the brush 8; the other end of the connecting rope 81 is wound on the shaft of the scraper 51; the during operation, when scraper blade 51 clears up the lateral wall of spacing groove 31, brush 8 also expandes under the torsional spring effect, strike off the lateral wall of spacing groove 31 for the second time, when scraper blade 51 receives the extrusion and rotates to No. four spout 5, connect rope 81 and can be dragged, make brush 8 laminate to scraper blade 51 lateral wall, utilize to connect rope 81 to drag brush 8 that drives and remove, can keep brush 8 self state when scraper blade 51 is accomodate, reduce the card that appears between scraper blade 51 and No. three spout 42 lateral walls and pause, influence follow-up equipment normal use.

When the plasma device is used for evolving air when a worker faces a special environment, the plasma device can be attached to the face through the handheld splash guard 1, at the moment, the air quality sensor 11 starts to work firstly, the ambient air starts to be detected, whether the working condition is met is judged, the air supply device in the protective shell 14 starts to operate after the environment is determined, the air input and the discharge power are controlled through the judgment of the air quality sensor 11 on the air quality, at the moment, the air supply device in the protective shell 14 sucks the outside air, the outside air enters the discharge device and is subjected to plasma treatment, the treated air is sent to the oral-nasal ventilation block 12 through the connecting pipe 13 to be normally breathed by the worker, when the outside air is pumped out of the protective shell 14 through the air supply device, the needle-shaped anode 9 is in high potential through the high voltage pole of the connecting wire, the potential difference can be formed by matching with the low potential of the porous grounding electrode 91, so that the passing working gas can be punctured, high-density plasma is formed, workers can isolate the external air by wearing the splash guard 1, meanwhile, the self-hydrophobic material can make the liquid quickly slide when the liquid splashes, meanwhile, the active carbon filter layer in the oronasal ventilation block 12 can block impurities in the air, the workers can pull the fixing band 2 to make the fixing band 2 rotate on the first rotating shaft 22 to increase the length of the fixing band 2 and adapt to the head sizes of different workers, the fixing band 2 can be attached to the heads of the workers along with the rotation of the first rotating shaft 22 under the action of the torsional spring, when the workers contact with the splash guard 1, the cushion 23 is in contact with the faces of the workers in advance under the action of the spring, when the workers wear the splash guard 1, the rubber layer 3 is contacted with the face of a worker in advance, deformation can be carried out during contact through the material of the rubber layer, so that the limiting groove 31 is extruded to discharge internal air, the face is adsorbed, when the splash guard 1 is worn by the worker, the extrusion plate 41 is contacted with the face of the worker in advance, the extrusion plate 41 moves towards the inside of the second sliding groove 4 under the action of extrusion force, the cleaning plate 43 can be driven to move along with the movement of the extrusion plate 41, the forked end of the cleaning plate 43 per se scrapes off dust on the side wall of the limiting groove 31 through the movement on the side wall of the limiting groove 31, when the cleaning plate 43 is contacted with the side wall of the limiting groove 31, the scraper 51 outwards expands under the action of a torsion spring to enable the end part of the scraper to be contacted with the side wall of the limiting groove 31, and the cleaning plate 43 is matched with the cleaning of the dust on the side wall of the limiting groove 31, meanwhile, when the cleaning plate 43 gradually moves into the third sliding groove 42, the scraping plate 51 is taken into the fourth sliding groove 5 under the action of extrusion force, in the rotation process of the scraping plate 51, the limiting plate 61 can be driven to move inside the fifth sliding groove 6, the roller 64 is enabled to rotate continuously, a plurality of groups of impact grooves 62 formed in the limiting plate 61 are in contact with the roller 64, the impact plate 63 moves under the action of a spring, the impact plate 63 can be driven to drive the roller 64 to impact inside the impact grooves 62 continuously along with the one-step movement of the limiting plate 61, vibration is generated, when a worker wears the splash guard 1, the pair of side plates 7 are unfolded outwards from two sides of the extrusion plate 41 under the action of torsion of the torsion spring, in the moving process of the side plates 7, the stress plate 72 slides inside the sixth sliding groove 71, and the contact area between the face of the worker and the extrusion plate 41 is increased.

The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are merely intended to facilitate the description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present invention.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A plasma-based electronic protection device, comprising: comprises a splash guard (1); the left side and the right side of the splash guard (1) are respectively fixedly connected with an air quality sensor (11) and a communication device (15); the side wall of the splash-proof mask (1) is fixedly connected with a mouth-nose ventilation block (12) below the air quality sensor (11); a protective shell (14) is arranged below the splash guard (1); the protective shell (14) is communicated with the mouth-nose ventilation block (12) through a connecting pipe (13); an air supply device and a discharge device are arranged in the protective shell (14);

a first sliding groove (21) is formed in the side wall of the splash guard (1); both ends of the first sliding groove (21) are rotatably connected with a first rotating shaft (22); the first rotating shaft (22) is connected with the first sliding groove (21) through a torsion spring; two ends of the same fixing belt (2) are wound on the side walls of the first rotating shafts (22); a buffer pad (23) is connected in the first sliding groove (21) in a sliding manner; the buffer pad (23) is connected with the first sliding groove (21) through a spring;

the side wall of the buffer pad (23) far away from the first sliding groove (21) is fixedly connected with a rubber layer (3); a limit groove (31) is formed in the side wall, away from the first sliding groove (21), of the rubber layer (3); the limiting grooves (31) are arranged in a plurality of groups and are uniformly arranged;

two sides of the limiting grooves (31) are provided with a second sliding groove (4) on the side wall of the rubber layer (3); an extrusion plate (41) is connected inside each group of the second sliding grooves (4) in a sliding manner; a plurality of groups of third sliding grooves (42) are formed in the side wall of the inner part of the limiting groove (31); the third sliding groove (42) is communicated with the second sliding groove (4); a cleaning plate (43) is connected inside the third sliding groove (42) in a sliding manner; one end of the cleaning plate (43) is fixedly connected to the side wall of the extrusion plate (41); the other end of the cleaning plate (43) penetrates through the third sliding groove (42) and is attached to the side wall of the limiting groove (31) in a forked shape;

a plurality of groups of four sliding grooves (5) are formed in the contact side wall of the forked end part of the cleaning plate (43) and the limiting groove (31); the side wall of the fourth sliding chute (5) is rotatably connected with a scraper (51); the scraper (51) is connected with the fourth sliding chute (5) through a torsion spring;

a fifth sliding groove (6) penetrates through the side wall of the fourth sliding groove (5); a limiting plate (61) is connected inside the fifth sliding chute (6) in a sliding manner; one end of the limiting plate (61) is fixedly connected to the side wall of the scraper (51); impact grooves (62) are formed in the side walls of the two sides of the limiting plate (61); the side walls of the two sides of the fifth sliding groove (6) are connected with an impact plate (63) in a sliding manner; the impact plate (63) is connected with the fifth sliding groove (6) through a torsion spring; the end part of the impact plate (63) is rotatably connected with a roller (64); the roller (64) is in contact with the side wall of the limit plate (61).

2. A plasma-based electronic protection device according to claim 1, wherein: the discharge device in the protective shell (14) is respectively composed of a needle anode (9) and a porous grounding electrode (91); the distance between the needle-shaped anode (9) and the porous grounding electrode (91) is adjustable; the needle-shaped anode (9) is made of 304 stainless steel subjected to micro-arc oxidation.

3. A plasma-based electronic protection device according to claim 2, wherein: the splash-proof mask (1) is made of transparent compact hydrophobic materials, and the shell of the splash-proof mask is designed by human engineering and wraps the whole face; the shape of the nose and mouth ventilation block (12) is designed to be attached to the face to wrap the nose and mouth, the nose and mouth ventilation block is made of a ventilation material, and an active carbon filter layer is arranged in the inner layer; the protective shell (14) is made of light plastic, and the interior of the protective shell is sealed, so that the air tightness is ensured.

4. A plasma-based electronic protection device according to claim 1, wherein: two sides of the side wall of the end part of the extrusion plate (41) far away from the second sliding groove (4) are rotatably connected with side plates (7); the side plate (7) is connected with the extrusion plate (41) through a torsion spring; the side wall of the end part of the extrusion plate (41) is provided with a pair of six sliding grooves (71) which are arranged in a staggered mode; a stress plate (72) is connected inside the No. six sliding groove (71) in a sliding manner; one end of the stress plate (72) is fixedly connected with the side wall of the side plate (7).

5. A plasma-based electronic protection device according to claim 4, wherein: the side wall of the scraper (51) close to the limit groove (31) is rotatably connected with a plurality of groups of hairbrushes (8); the brush (8) and the splash-proof face mask (1) are connected through a torsion spring; a connecting rope (81) is wound on the brush (8) shaft; the other end of the connecting rope (81) is wound on the shaft of the scraper (51).