WO2017034487A2 - Disinfection system inside the cabin of vehicle with sprayed nanoparticles - Google Patents

Disinfection system inside the cabin of vehicle with sprayed nanoparticles Download PDF

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Publication number
WO2017034487A2
WO2017034487A2 PCT/TH2016/000071 TH2016000071W WO2017034487A2 WO 2017034487 A2 WO2017034487 A2 WO 2017034487A2 TH 2016000071 W TH2016000071 W TH 2016000071W WO 2017034487 A2 WO2017034487 A2 WO 2017034487A2
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WO
WIPO (PCT)
Prior art keywords
vehicle
cabin
nanoparticles
unit
sprayed
Prior art date
Application number
PCT/TH2016/000071
Other languages
French (fr)
Other versions
WO2017034487A3 (en
Inventor
Poomyos PAYAKKAWAN
Original Assignee
Payakkawan Poomyos
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Payakkawan Poomyos filed Critical Payakkawan Poomyos
Publication of WO2017034487A2 publication Critical patent/WO2017034487A2/en
Publication of WO2017034487A3 publication Critical patent/WO2017034487A3/en

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Classifications

    • 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
    • A61L9/14—Disinfection, sterilisation or deodorisation of air using sprayed or atomised substances including air-liquid contact processes
    • 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
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08—Radiation
    • A61L2/10—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
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/22—Phase substances, e.g. smokes, aerosols or sprayed or atomised substances
    • 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
    • A61L9/01—Deodorant compositions
    • A61L9/012—Deodorant compositions characterised by being in a special form, e.g. gels, emulsions
    • 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
    • A61L9/205—Ultraviolet radiation using a photocatalyst or photosensitiser
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/88—Handling or mounting catalysts
    • B01D53/885—Devices in general for catalytic purification of waste gases
    • 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
    • A61L2202/00—Aspects relating to methods or apparatus for disinfecting or sterilising materials or objects
    • A61L2202/20—Targets to be treated
    • A61L2202/25—Rooms in buildings, passenger compartments
    • 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
    • A61L2209/12—Lighting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20707—Titanium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/80—Type of catalytic reaction
    • B01D2255/802—Photocatalytic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/91—Bacteria; Microorganisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/06—Polluted air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/45—Gas separation or purification devices adapted for specific applications
    • B01D2259/4566—Gas separation or purification devices adapted for specific applications for use in transportation means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
    • B01D2259/804—UV light
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H3/00—Other air-treating devices
    • B60H3/06—Filtering
    • B60H2003/0675—Photocatalytic filters

Definitions

  • the present invention pertains to a disinfection system inside cabin of vehicle using sprayed nanoparticles.
  • UV-C Ultraviolet C cleaning system
  • UV-C Ultraviolet C
  • hospital environment such as an operating room and a microbiology laboratory.
  • UV-C for inventing disinfection machine to install inside the cabin of vehicle.
  • the process includes air suction from the cabin of vehicle flew into disinfection machine to sterilize the air by UV-C system, then the sterilized air flows out to the cabin of vehicle.
  • the process as described in this invention provides the spreading of nanoparticles in order to attach to the cabin surface of vehicle and then these nanoparticles would be stimulated by UV-C to form the photocatalytic reaction. This reaction could effectively decontaminate the air inside cabin of vehicle or cabin surface.
  • Figure 1 illustrates one embodiment of a disinfection system inside the cabin of vehicle with sprayed nanoparticles according to this invention
  • FIG. 2 illustrates one schematic flow of the process of disinfection system according to this invention.
  • Figure 1 illustrates a disinfection system inside the cabin of vehicle with sprayed nanoparticles according to this invention comprising a power supply unit ( 1), a control unit (2), a trigger unit (3), a chaotic signal generator unit (4), a UV-C drive unit (5), an ultraviolet sterilizing lamp (6), a titanium dioxide nanoparticles (7), a sprayed nanoparticle unit (8), and a chaotic UV-C generator unit (9) wherein the entire unit are assembled together into the system according to this invention.
  • the power supply unit ( 1 ) is used as an electrical supply for other units in the entire system.
  • Power supply unit(l) can be selected from either a direct current power supply 12 VDC from outer channel of a cigarette lighter inside the car or an alternative current power supply 220 VAC from the outside.
  • the control unit (2) is then regulated by the user. This unit (2j controls the integrated system and then transmits all control commands toward the trigger unit (3).
  • Disinfection system inside the cabin of vehicle with sprayed nanoparticles comprising the following steps: (a) The sprayed nanoparticle unit ⁇ 8) sprays titanium dioxide nanoparticles (7) on cabin surface of vehicle wherein said cabin surface of vehicle comprises car seat, console, air conditioner, car door, roof, floor, gear stick, mirror and steering wheel.
  • Chaotic UV- C generator unit ( 9) generates UV- C to activate sprayed titanium dioxide nanoparticles (7) following the first step whereby said titanium dioxide nanoparticles (7) are being activated by a photocatalytic reaction.
  • This photocatalytic reaction can be used to effectively disinfect in the air, cabin surface of vehicle.
  • the chaotic UV-C generator unit (9) comprising the chaotic signal generator unit (4), the UV-C drive unit (5), and the ultraviolet sterilizing lamp (6).
  • Generating UV-C is based on the chaotic patterns UV-C, these patterns are aimed to save energy in generating UV-C, wherein said patterns can be selected from a turbulent light pattern, a phase light pattern, or a continuous light pattern.
  • Disinfection system inside the cabin of vehicle with sprayed nanoparticles further comprises the step of spraying titanium dioxide nanoparticles (7) onto the cabin surface of vehicle repeatedly by using sprayed nanoparticle unit ( 8) for the purpose of pathogen growth inhibition that might be contaminated from the outside.
  • titanium dioxide nanoparticles (7) which are on the cabin surface of vehicle (7) could be reacted with solar energy to perform photocatalytic reaction. This reaction could be used in the disinfection process.
  • the disinfecting efficiency depends on sunlight intensity. However, the disinfecting efficiency of the photocatalytic reaction in this step is less efficient than step ⁇ b).
  • the disinfection system inside the cabin of vehicle with sprayed nanoparticles provides for disinfecting process that covers the entire cabin surface of vehicle.
  • This system was operated in the center of the cabin of vehicle that spans between 15-20 minutes depending on type of vehicle being disinfected. Delayed step was provided before operating entire system to check the part of this system.
  • the system was operated without any human and the cabin of vehicle was kept within closed system.
  • the vehicle which is operated by the system must be covered with UV-C protecting car covers and turn on the air conditioner to allow the air circulating effectively.

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  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Biomedical Technology (AREA)
  • Catalysts (AREA)

Abstract

The present invention provides a disinfection system inside the cabin of vehicle with sprayed nanoparticles. These nanoparticles can be used to cover onto all the cabin surfaces of vehicle. Subsequently, an ultraviolet light C (UV-C) shall activate these nanoparticles based on chaotic pattern UV-C which is the main component of this invention to perform photocatalytic reaction. This reaction could effectively decontaminate the air or the cabin surface of vehicle.

Description

Title of the invention
DISINFECTION SYSTEM INSIDE THE CABIN OF VEHICLE WITH SPRAYED NANOP ARTICLES
Field of invention The present invention pertains to a disinfection system inside cabin of vehicle using sprayed nanoparticles.
Background of the invention
In the present time, the four basic needs are not enough for people because there are many technologies that can make their lives more convenient, such as vehicles. Anyone who has a car or other vehicles could go anywhere they want. Therefore, almost all people have concerns about cleanliness inside the cabin of vehicle. Most people clean the inside of their vehicles by washing but it is not enough because there are many kinds of microbes such as bacteria, viruses or molds, especially pathogens that cause the respiratory and airborne diseases that are stuck in car seats or contaminate from external environment. The close- vent system to keep the inside cool also give rise to the accumulation of these microbes within the cabin of car and its surface such as car seats, console, air conditioner, car door, roof, gear stick, floor, mirror, steering wheel. These microbes cannot be eliminated by mere act of washing or vacuum cleaning.
Ultraviolet C (UV-C) cleaning system is dedicated to reducing infection and illness caused by pathogens, parasites or dusts effectively. Therefore, UV-C has been appropriately used in disinfection system in hospital environment such as an operating room and a microbiology laboratory. Thereafter, many inventors had applied UV-C for inventing disinfection machine to install inside the cabin of vehicle. The process includes air suction from the cabin of vehicle flew into disinfection machine to sterilize the air by UV-C system, then the sterilized air flows out to the cabin of vehicle. In addition, there is another way to disinfect the air that are also based on air suction flow through black metal plate called titanium dioxide (Ti02) then activating them by UV- C to form the photocatalytic reaction with the sucked air, and the sterilized air flow out to the cabin of vehicle. These techniques could be sterilized more effectively than the first process. Nevertheless, both techniques mentioned above could sterilize just the sucked air in the disinfection machine, but not sterilizing the part of cabin of vehicle such car seats, console, air conditioner, car door, roof, gear stick, floor, mirror, steering wheel. Due to the limitation in spreading the UV-C light of disinfection machine that cannot spread UV-C out to sterilize the cabin surface of vehicle. The limitations in spreading the UV-C as mentioned above are major challenges by which this invention would be of necessity in regards to the disinfection system in the cabin of vehicle.
The process as described in this invention provides the spreading of nanoparticles in order to attach to the cabin surface of vehicle and then these nanoparticles would be stimulated by UV-C to form the photocatalytic reaction. This reaction could effectively decontaminate the air inside cabin of vehicle or cabin surface.
Brief description of the drawings
Figure 1 illustrates one embodiment of a disinfection system inside the cabin of vehicle with sprayed nanoparticles according to this invention;
Figure 2 illustrates one schematic flow of the process of disinfection system according to this invention.
Detailed description of the invention
Figure 1 illustrates a disinfection system inside the cabin of vehicle with sprayed nanoparticles according to this invention comprising a power supply unit ( 1), a control unit (2), a trigger unit (3), a chaotic signal generator unit (4), a UV-C drive unit (5), an ultraviolet sterilizing lamp (6), a titanium dioxide nanoparticles (7), a sprayed nanoparticle unit (8), and a chaotic UV-C generator unit (9) wherein the entire unit are assembled together into the system according to this invention.
The power supply unit ( 1 ) is used as an electrical supply for other units in the entire system. Power supply unit(l) can be selected from either a direct current power supply 12 VDC from outer channel of a cigarette lighter inside the car or an alternative current power supply 220 VAC from the outside. When the power supply unit (1) is provided into the system, the control unit (2) is then regulated by the user. This unit (2j controls the integrated system and then transmits all control commands toward the trigger unit (3).
Disinfection system inside the cabin of vehicle with sprayed nanoparticles according to this invention, comprising the following steps: (a) The sprayed nanoparticle unit < 8) sprays titanium dioxide nanoparticles (7) on cabin surface of vehicle wherein said cabin surface of vehicle comprises car seat, console, air conditioner, car door, roof, floor, gear stick, mirror and steering wheel.
( b) Chaotic UV- C generator unit ( 9) generates UV- C to activate sprayed titanium dioxide nanoparticles (7) following the first step whereby said titanium dioxide nanoparticles (7) are being activated by a photocatalytic reaction. This photocatalytic reaction can be used to effectively disinfect in the air, cabin surface of vehicle. The chaotic UV-C generator unit (9) comprising the chaotic signal generator unit (4), the UV-C drive unit (5), and the ultraviolet sterilizing lamp (6).
Generating UV-C is based on the chaotic patterns UV-C, these patterns are aimed to save energy in generating UV-C, wherein said patterns can be selected from a turbulent light pattern, a phase light pattern, or a continuous light pattern.
Disinfection system inside the cabin of vehicle with sprayed nanoparticles according to this invention further comprises the step of spraying titanium dioxide nanoparticles (7) onto the cabin surface of vehicle repeatedly by using sprayed nanoparticle unit ( 8) for the purpose of pathogen growth inhibition that might be contaminated from the outside. Moreover, titanium dioxide nanoparticles (7) which are on the cabin surface of vehicle (7) could be reacted with solar energy to perform photocatalytic reaction. This reaction could be used in the disinfection process. The disinfecting efficiency depends on sunlight intensity. However, the disinfecting efficiency of the photocatalytic reaction in this step is less efficient than step <b).
The disinfection system inside the cabin of vehicle with sprayed nanoparticles according to this invention provides for disinfecting process that covers the entire cabin surface of vehicle. This system was operated in the center of the cabin of vehicle that spans between 15-20 minutes depending on type of vehicle being disinfected. Delayed step was provided before operating entire system to check the part of this system. The system was operated without any human and the cabin of vehicle was kept within closed system. The vehicle which is operated by the system must be covered with UV-C protecting car covers and turn on the air conditioner to allow the air circulating effectively.

Claims

Claims
1. A disinfection system inside the cabin of vehicle with sprayed nanoparticles comprising: apower supply unit (1) for supplying power to various units, a control unit (2) for sending signal to a trigger unit (3), the trigger unit (3) for selecting a condition of chaotic signal generation into a chaotic UV- C generator unit (9) , a chaotic signal generator unit (4) , a UV-C drive unit (5), an ultraviolet sterilizing lamp (6), a set of titanium dioxides nanoparticles (7), a sprayed nanoparticles unit (8) and a chaotic UV-C generator unit (9) , which are characterized by the following steps:
(a) using the sprayed nanoparticles unit (8) to spray titanium dioxide nanoparticles (7), which is a disinfecting agent, to cover the cabin surface of vehicle;
(b) activating the titanium dioxide nanoparticles (7) using the ultraviolet light C (UV-C) from the chaotic UV-C generator unit (9) based on chaotic pattern UV-C to perform photocatalytic reaction.
2. The disinfection system inside the cabin of vehicle with sprayed nanoparticles according to claim 1 wherein the sprayed nanoparticles unit (8) spray titanium dioxide nanoparticles (7) onto the cabin surface of vehicle again after step (b).
3. The disinfection system inside the cabin of vehicle with sprayed nanoparticles according to claim 1 wherein the chaotic pattern UV-C can be selected from a turbulent light pattern, a phase light pattern or a continuous light pattern.
PCT/TH2016/000071 2015-08-21 2016-08-19 Disinfection system inside the cabin of vehicle with sprayed nanoparticles WO2017034487A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TH1503001275 2015-08-21
TH1503001275 2015-08-21

Publications (2)

Publication Number Publication Date
WO2017034487A2 true WO2017034487A2 (en) 2017-03-02
WO2017034487A3 WO2017034487A3 (en) 2017-04-06

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10800664B2 (en) 2016-10-18 2020-10-13 PurWorld Technologies LLC System and method for reinsurance of air purification
US11819580B2 (en) 2016-10-18 2023-11-21 PurWorld Technologies LLC Method of chemically disinfecting a vehicle
US11844872B2 (en) 2021-01-15 2023-12-19 Honeywell International Inc. Mobile sanitization systems and methods

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3091733B2 (en) * 1998-11-16 2000-09-25 杉山製作株式会社 Sterilization deodorizer
JP2001333967A (en) * 2000-05-25 2001-12-04 Kazuo Saito Protector of air-blow exit by photocatalyst
JP4192673B2 (en) * 2003-05-16 2008-12-10 トヨタ紡織株式会社 Vehicle seat with air purifying function
CN2709225Y (en) * 2004-06-18 2005-07-13 上海中油企业集团有限公司 Car ventilation passage having bactericidal disinfectant device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10800664B2 (en) 2016-10-18 2020-10-13 PurWorld Technologies LLC System and method for reinsurance of air purification
US11819580B2 (en) 2016-10-18 2023-11-21 PurWorld Technologies LLC Method of chemically disinfecting a vehicle
US11844872B2 (en) 2021-01-15 2023-12-19 Honeywell International Inc. Mobile sanitization systems and methods

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