CN111397027A - Pumping unit device and gas sterilization method - Google Patents
Pumping unit device and gas sterilization method Download PDFInfo
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- CN111397027A CN111397027A CN202010351877.0A CN202010351877A CN111397027A CN 111397027 A CN111397027 A CN 111397027A CN 202010351877 A CN202010351877 A CN 202010351877A CN 111397027 A CN111397027 A CN 111397027A
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- gas
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- pressure fan
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- 230000001954 sterilising effect Effects 0.000 title claims abstract description 57
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000005086 pumping Methods 0.000 title description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 54
- 230000002070 germicidal effect Effects 0.000 claims abstract description 25
- 150000002500 ions Chemical class 0.000 claims abstract description 19
- 150000001450 anions Chemical class 0.000 claims abstract description 13
- 238000011282 treatment Methods 0.000 claims description 26
- 230000001580 bacterial effect Effects 0.000 claims description 8
- 238000000354 decomposition reaction Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 6
- 102000004190 Enzymes Human genes 0.000 claims description 4
- 108090000790 Enzymes Proteins 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 4
- 241000700605 Viruses Species 0.000 claims description 3
- 230000001877 deodorizing effect Effects 0.000 claims description 2
- 238000000746 purification Methods 0.000 abstract description 8
- 206010011409 Cross infection Diseases 0.000 abstract description 6
- 206010029803 Nosocomial infection Diseases 0.000 abstract description 6
- 239000012792 core layer Substances 0.000 abstract description 6
- 238000005949 ozonolysis reaction Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 43
- 239000010410 layer Substances 0.000 description 15
- 230000008569 process Effects 0.000 description 12
- 239000007921 spray Substances 0.000 description 12
- 210000000214 mouth Anatomy 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 239000003595 mist Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 238000004887 air purification Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
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- 238000001914 filtration Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000013573 pollen allergen Substances 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 230000003612 virological effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/06—Implements for therapeutic treatment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS 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
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS 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
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/18—Radiation
- A61L9/20—Ultraviolet radiation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS 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
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/22—Ionisation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
- F24F8/22—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
- F24F8/24—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using sterilising media
- F24F8/26—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using sterilising media using ozone
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/30—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS 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
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/14—Filtering means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS 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
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/20—Method-related aspects
- A61L2209/21—Use of chemical compounds for treating air or the like
- A61L2209/212—Use of ozone, e.g. generated by UV radiation or electrical discharge
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The invention discloses a suction machine device and a gas sterilization method, wherein the device comprises a body, at least one ultraviolet germicidal lamp, an ozone generator, a negative pressure fan, a sterilization box and a universal suction arm or an upper cover fan cover, wherein the ultraviolet germicidal lamp, the ozone generator, the negative pressure fan and the sterilization box are arranged in the body; the utility model discloses a sterilization box, including negative-pressure fan, sterilization box, ultraviolet germicidal lamp, ozone generator and negative ion generator, be equipped with anion generator in the sterilization box, the side of sterilization box is equipped with HEPA filter core layer, be equipped with the ozonolysis filter core layer of decomposing remaining ozone between negative-pressure fan and the sterilization box, ultraviolet germicidal lamp, ozone generator and anion generator can close arbitrary one of them, this is internal still to be equipped with an air flow pipeline, and air flow pipeline extends to negative-pressure fan from the top downwardly directed of body, treats that the gas of sterilization purification circulates to the negative-pressure fan. The invention realizes the sterilization and evolution of the gas, reduces the risk of cross infection in the consulting room and ensures the cleanness and safety of the indoor air.
Description
Technical Field
The invention relates to the field of oral treatment and use and the field of household air purification, in particular to a suction machine device and a gas sterilization method.
Background
Among the prior art methods of negative pressure suction for oral treatment, there are two prior arts to suck waste water such as blood, saliva, washing water, spray and the like, spray, exhaled air of a patient and the like generated during oral treatment. In the prior art, firstly, the suction is carried out through the weak suction of a self-contained water negative pressure generator and the strong suction of a self-contained air negative pressure generator of a dental comprehensive treatment table; the method has the disadvantages that the water negative pressure generator needs to be connected with tap water, a certain amount of water is needed in the using process, and the longer the using time is, the more water is wasted; the negative pressure generator needs to be connected with a positive pressure air source, and compressed air with a certain flow is needed in the using process, so that the burden is caused on the air compressor, and most of the compressed air of the air compressor is wasted in the negative pressure generator; the suction force and suction flow generated by the negative air pressure generator are limited, which is not enough to sufficiently suck away the spray, mist and exhaled air in the oral treatment, thus indirectly increasing the risk of cross infection in the treatment process of doctors.
In the prior art, suction is realized in the oral treatment process by providing suction power for strong suction and weak suction on a dental comprehensive treatment table through a suction machine. The method has the disadvantages that the suction machine is used for providing suction power for the dental comprehensive treatment table, the negative pressure suction pipeline is often too long or unreasonably arranged, the type selection of the suction machine is incorrect, or the number of the dental comprehensive treatment tables is subsequently enlarged, so that the cleaning on the dental comprehensive treatment table becomes weak, the suction efficiency in the oral treatment process is influenced, the suction power is not enough to suck away spray, mist and exhaled air in the oral treatment, and the risk of cross infection in a consulting room is increased.
Therefore, there is a need to provide a new aspirator device to fully aspirate the droplets, spray and exhaled air in oral treatment, and reduce the risk of cross infection in the consulting room.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an aspirator device which can aspirate droplets, spray and exhaled gas in oral cavity treatment and sterilize and purify the droplets, the spray and the exhaled gas.
In order to achieve the purpose, the invention provides the following technical scheme: a suction machine device comprises a body, at least one ultraviolet germicidal lamp, an ozone generator, a negative pressure fan, a sterilizing box and a universal suction arm or an upper cover fan cover, wherein the ultraviolet germicidal lamp, the ozone generator, the negative pressure fan and the sterilizing box are arranged in the body; the sterilization box is internally provided with a negative ion generator, the side surface of the sterilization box is provided with an HEPA filter layer, and an ozone decomposition filter layer for decomposing residual ozone is arranged between the negative pressure fan and the sterilization box.
Preferably, the universal suction arm is connected with a suction hood, the suction hood is provided with a small opening and a large opening, the small opening is connected to the universal suction arm, and the large opening is used for being used outside the mouth in oral treatment.
Preferably, the HEPA filter element layers are arranged on two sides of the sterilizing box and used for sterilizing and deodorizing the entering gas.
Preferably, an airflow pipeline for air circulation is further arranged in the body, and the airflow pipeline extends downwards from the top of the body to the inside of the negative pressure fan.
Preferably, the universal suction arm is in sealed connection with the airflow duct.
Preferably, the air enters the airflow pipeline through the upper cover fan cover.
The invention also discloses a gas sterilization method of the suction machine device, which comprises the following steps:
s100, the gas to be sterilized enters the body from the suction hood through the universal suction arm or enters the body through the upper cover fan cover;
s200, when the ultraviolet germicidal lamp is selected to be turned on, the gas entering the body is firstly sterilized by the ultraviolet germicidal lamp along the airflow pipeline in the body;
s300, when the ozone generator is selected to be started, the gas is further sterilized by the ozone generator; and the residual ozone is decomposed through the ozone decomposition filter layer after passing through the negative pressure fan;
s400, when the negative ion generator is selected to be started, the gas is sterilized again through the negative ion generator;
s500, the gas is discharged into the air after being sterilized and disinfected by HEPA filter element layers arranged on two sides of the sterilizing box.
Preferably, when any one or two of the ultraviolet germicidal lamp, the ozone generator and the anion generator are turned off, the gas flows downwards to perform other germicidal steps.
Preferably, in S200, the ozone generated by the ozone generator is delivered to the airflow pipeline to form an ozone zone, and the gas is sterilized by passing through the ozone zone.
Preferably, in S400, the negative ions generated in the negative ion generator are mixed with the gas, so as to destroy the barrier of the bacterial virus charges and the activity of the bacterial cell active enzyme, and finally the negative ions and the gas form negative ion air.
The invention has the beneficial effects that:
1. the suction machine device and the gas sterilization method provided by the invention realize sterilization and purification of gas and reduce the risk of indoor cross infection.
2. The oral cavity treatment device can be applied to the strong suction and suction using function in oral cavity treatment and can also be applied to the indoor air sterilization and purification function.
Drawings
FIG. 1 is a schematic view of the construction of a suction apparatus of the present invention;
FIG. 2 is a schematic view of another embodiment of a suction apparatus according to the present invention;
fig. 3 is a schematic view of the structure of a suction hood in a suction hood apparatus of the present invention.
Reference numerals: 1. the device comprises a suction machine device, 11, a body, 12, an ultraviolet germicidal lamp, 13, an ozone generator, 14, a negative pressure fan, 15, a germicidal box, 151, an ozonolysis filter layer, 152, a negative ion generator, 153, a HEPA filter layer, 16, an airflow pipeline, 17, an upper cover fan cover, 171, indoor air, 18, a universal suction arm, 181, a suction cover, 182, a large opening, 183, a small opening, 184, spray, mist and exhaled air, 19 and a movable universal wheel.
Detailed Description
The technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention.
As shown in fig. 1, the suction device 1 disclosed in the present invention includes a body 11, at least one ultraviolet germicidal lamp 12 disposed in the body, an ozone generator 13, a negative pressure fan 14, and a germicidal box 15, wherein an air flow duct 16 is further disposed in the body 11, and the air flow duct 16 is used for air circulation.
Referring to fig. 1 and 2, the body 11 has a top, the airflow duct 16 extends downward from the top into the negative pressure air blower 14, and an upper cover fan housing 17 or a universal suction arm 18 is further disposed on the top for collecting air or air exhaled during the oral treatment under different conditions. When the upper cover fan housing 17 is provided on the top, for collecting the indoor air 171, thereby sterilizing and purifying the indoor air 171; when the universal suction arm 18 is arranged on the top, the universal suction arm is used for collecting droplets, spray and exhaled gas 184 in oral treatment, and sterilization and purification in the oral treatment process are realized.
Referring to fig. 1 and 3, the universal suction arm 18 is composed of two or more articulated arms, and according to actual needs, the universal suction arm 18 can be hollow, the middle of the universal suction arm 18 is used for ventilation, and the universal suction arm 18 is airtight, and can swing freely and stay at a required position. One end of the universal suction arm 18 is hermetically connected with the airflow pipeline 16, the other end of the universal suction arm is provided with a suction hood 181, the suction hood 181 is provided with a large opening 182 and a small opening 183, the small opening 183 is connected with the universal suction arm 18, and the large opening 182 is used outside the mouth during oral treatment, so that the collection of spray, mist and exhaled gas 184 is realized. The suction hood 181 does not limit the type of material, nor the transparency of the material, and collection can be achieved.
Referring to fig. 1 and 2, the ultraviolet germicidal lamp 12 is disposed in the body 11 and located at two sides of the air flow duct 16, and is used for generating ultraviolet light to irradiate the air in the air flow duct 16. The number of the ultraviolet germicidal lamps 12 can be set according to actual conditions, and in this embodiment, the ultraviolet germicidal lamps 12 are two and are respectively disposed on two sides of the air flow duct 16.
The ozone generator 13 is arranged in the body 11 and is used for generating ozone, and the ozone is conveyed into the airflow pipeline 16 to be mixed and reacted with the gas, an ozone area (not shown) is formed in the airflow pipeline 16, the ozone generator 13 can be arranged in the body 11 or outside the body 11, and can be arranged according to actual conditions so as to realize the purposes of generating ozone and conveying the ozone into the airflow pipeline 16 to sterilize the gas.
The negative pressure fan 14 is connected with the airflow pipeline 16 and used for sucking the gas after reaction to the inside of the negative pressure fan 14, the negative pressure fan 14 can be a vortex air pump, a pipeline fan, a centrifugal fan and the like, and the negative pressure fan 14 is arranged according to actual conditions and can suck the gas.
The sterilizing box 15 is arranged below the negative pressure fan 14, an ozone decomposition filter core layer 151 is arranged above the sterilizing box 15 and used for further decomposing residual ozone, the ozone decomposition filter core layer 151 is a filter screen with an ozone decomposition catalyst coating on the surface, and the base material of the filter screen can be aluminum honeycomb, plastic honeycomb, paper honeycomb and the like and can be selected and arranged according to actual needs.
The inside of the sterilization box 15 is provided with an anion generator 152 for generating anions to perform a mixing reaction with the gas, so as to form anion air, and the anions can destroy barriers of bacterial virus charges and activity of bacterial cell active enzymes, so as to realize sterilization of the gas.
The side of the sterilizing box 15 is provided with an HEPA filter layer 153, the HEPA filter layer 153 is cylindrical, the middle of the HEPA filter layer is ventilated, the side of the HEPA filter layer is exhausted, the HEPA filter layer is composed of active carbon, has a nano-silver antibacterial coating, and can filter formaldehyde and peculiar smell, remove PM2.5, and resist bacteria, pollen allergens and the like. The negative ion air passes through the HEPA filter layer 153, and after the sterilization and purification are performed in the HEPA filter layer 153, the clean air is discharged into the air.
The suction device 1 further comprises a movable universal wheel 19 for enabling the suction device 1 to be moved to different positions according to the actual needs of a user, which is convenient and fast.
The invention also discloses a gas sterilization method of the suction machine device 1, which is used for realizing sterilization and purification of the spray and the exhaled gas 184 or the indoor air 171 generated during the treatment of the oral cavity. The method for realizing sterilization and purification comprises the following steps: firstly, gas to be sterilized and purified enters the body 11 from the suction hood 181 through the universal suction arm 18 or enters the body 11 through the upper cover fan housing 17, then the gas flows downwards along with the airflow pipeline 16 under the action of the negative pressure fan 14 and passes through the area of the ultraviolet germicidal lamp 12 to generate ultraviolet rays to irradiate on the airflow pipeline 16 so as to realize the first sterilization of the gas; then, the gas continuously flows downwards to the ozone area, and the ozone generated by the ozone generator 13 is mixed with the gas in the gas flow pipeline 16, so that the second sterilization of the gas is realized; then the gas passes through the negative pressure fan 14, passes through the ozone decomposition filter core layer 151 after coming out from the negative pressure fan 14 to decompose residual ozone in the gas, and ozone pollution caused by the fact that ozone is discharged from the device 1 to the indoor is avoided; then the gas is mixed with the negative ions generated by the negative ion generator 152 in the sterilizing box 15 to realize the third sterilization of the gas and form negative ion air; and finally, the negative ion air is filtered by the HEPA filter core layer 153 and then is discharged to the indoor after reaching the standard.
Specifically, in the ozone sterilization process, the oxidation of oxygen atoms in the ozone destroys the structure of microorganisms, thereby achieving a further sterilization effect, so that the room air 171 becomes normal sterile air. In the process of negative ion sterilization, the negative ions can destroy barriers of bacterial and viral charges and activity of bacterial cell active enzymes, and can be used for electrostatic dust removal or air purification, removing smoke dust and dust in the air and realizing the functions of dust removal and air purification and sterilization. In the filtration process of the HEPA filter layer 153, the effects of removing formaldehyde, removing peculiar smell, removing dust, filtering PM2.5 and resisting bacteria on gas can be realized.
During the sterilization and evolution process of the gas, the ultraviolet germicidal lamp 12, the ozone generator 13 and the anion generator 152 can be simultaneously turned on or any one or two of the functions can be independently turned on according to actual conditions, and the gas can be continuously circulated to perform other sterilization steps so as to achieve the required standard. I.e., different gases require different processes to perform different functions in different environments.
The invention realizes the sterilization and evolution of the spray, the mist and the exhaled gas 184 in the oral treatment process, also realizes the purification and the sterilization of the indoor air 171, reduces the cross infection in a clinic and improves the safety in the oral treatment process.
Therefore, the scope of the present invention should not be limited to the disclosure of the embodiments, but includes various alternatives and modifications without departing from the scope of the present invention, which is defined by the claims of the present patent application.
Claims (10)
1. A suction machine device is characterized by comprising a body, at least one ultraviolet germicidal lamp, an ozone generator, a negative pressure fan, a sterilizing box and a universal suction arm or an upper cover fan cover, wherein the ultraviolet germicidal lamp, the ozone generator, the negative pressure fan and the sterilizing box are arranged in the body; the sterilization box is internally provided with a negative ion generator, the side surface of the sterilization box is provided with an HEPA filter layer, and an ozone decomposition filter layer for decomposing residual ozone is arranged between the negative pressure fan and the sterilization box.
2. The aspirator apparatus of claim 1, wherein the universal suction arm is connected to a suction hood having a small opening connected to the universal suction arm and a large opening for use outside the mouth for oral treatment.
3. The extractor assembly of claim 1, wherein the HEPA filter layers are disposed on opposite sides of the sterilization case for sterilizing and deodorizing the incoming gas.
4. The extractor assembly of claim 1 wherein a gas flow conduit is disposed within the body for communicating gas therethrough, the gas flow conduit extending downwardly from a top of the body into the negative pressure blower.
5. The extractor apparatus of claim 4 wherein the universal suction arm is sealingly coupled to the airflow conduit.
6. The extractor device of claim 4 wherein the gas enters the flow duct through the upper hood.
7. A method of sterilizing gas for an extractor device according to claim 1, comprising the steps of:
s100, the gas to be sterilized enters the body from the suction hood through the universal suction arm or enters the body through the upper cover fan cover;
s200, when the ultraviolet germicidal lamp is selected to be turned on, the gas entering the body is firstly sterilized by the ultraviolet germicidal lamp along the airflow pipeline in the body;
s300, when the ozone generator is selected to be started, the gas is further sterilized by the ozone generator; and the residual ozone is decomposed through the ozone decomposition filter layer after passing through the negative pressure fan;
s400, when the negative ion generator is selected to be started, the gas is sterilized again through the negative ion generator;
s500, the gas is discharged into the air after being sterilized and disinfected by HEPA filter element layers arranged on two sides of the sterilizing box.
8. The method of claim 7, wherein when any one or two of the UV germicidal lamp, the ozone generator and the anion generator are turned off, the gas flows downward to perform other germicidal steps.
9. The method of claim 7, wherein in S200, ozone generated by the ozone generator is delivered to the airflow pipeline to form an ozone zone, and the gas is sterilized by passing through the ozone zone.
10. The method of claim 7, wherein in the step S400, the anion generator generates anions to be mixed with the gas, thereby breaking the barrier of the bacterial virus charges and the activity of the bacterial cell active enzyme, and finally the anions and the gas form anion air.
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| CN115645590A (en) * | 2022-10-09 | 2023-01-31 | 大连赛纳科技有限公司 | Device for rapidly killing viruses in aerosol during nucleic acid sampling |
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