The present invention relates to ionic air filtration system especially for removing air-borne matters in human breath, and more particularly, a subcompact modular breath cleaning device.
Ionic air cleaners are commonly used in homes and offices. The technology has been widely accepted and proven. Personal ionic air cleaners for body wearing are also available and are welcomed by travelers riding on subways, trains and airplanes where air-borne contagious deceases are easily transmitted.
However, the currently available body-wearing ionic cleaners are bulky. Every one is packaged in housing enclosing all the essential components within a single unit. All the batteries, transformer, PCBA, ionization element subassembly and the whole works are assembled into the unit. As results, the final packaging becomes a quite sizable unit hanging around the user's neck and resting in front of the user's chest.
It is not uncommon for an air trip to take over 24 hours for indirect flight these days. The air cleaner will be more ideal to be able to support operation for at least 24 hours or even better be 40 hours before battery changes. This makes wearing a conventional air cleaner in front of the chest very uncomfortable.
Secondly, even with today's highly efficient electronic components, it still requires about 0.5 watt of input power to drive the air cleaner in order to keep the air quality surrounds the user's face relatively clean and odor free. A 9 volt alkaline battery usually cannot last for 5 hours. Therefore, a small ionic air cleaner with 40 hours service time will be a relatively heavy unit when hanging around the neck of the user.
Thus there is a need for an ionic air cleaner to be very light weight such that it is comfortable for wearing around the neck and hanging in front of the chest of the user while providing enough power to ionize the surrounding air of the user's face in order to keep the air quality to be always at an acceptable level for an extended period of operation between battery changes.
The present invention provides such a body wearing subcompact modular breath cleaning device for user to enjoy.
US Class 128/200.24; 96/29, 54, 69, 71, 72, 75, 78, 97, 98, 100
A subcompact modular ionic breath cleaner consists of a subcompact human wearable light weight ionization module with built-in ionization element and multiplier circuit electronic function, and a power supply module designed for belt carrying. The ionization module receives high oscillating voltage input and transforms the input into output of a very high voltage potential capable to support ionization at the ionization element.
The unique feature of this invention is to redefine a bulky conventional ionic air cleaner into a very compact ionization module with a cable connection to a main power supply module, which includes all the batteries, transformer and the basic PCBA, the switch and indicator light etc. The subcompact ionization module includes the multiplier electronic components and the ionization element subassembly. In this design, the heavier main unit can be clipped to the waist belt of the user while the subcompact ionization module will be supported by a strap around the shoulder/neck of the user.
It is an object of this present invention to provide a very compact, comfortable with reasonable power output and long service period between battery changes ionic breath cleaner for today's busy travelers.
Other features and advantages of the invention will appear from the following description in which the preferred embodiments have been set forth in detail, in conjunction with the accompanying drawings.
The subcompact ionization module 2 is equipped with an electrical connector 38, which is connected to a mating connector 39 of the main power supply unit 3 via the connector cable 13 with strain relief 14 at both ends of the connector cable 13. The main power supply module 3 is consisted of battery 17 as the power source, main PCBA 18, status indicator 16, power switch 15, power-charger connector 37 inside the housing 20 and belt mounting clip 19 which provide mounting means to the waist belt of the user 4.
The battery 17 provides power to the PCBA 18 which is consisted of electronic components and transformer to provide oscillating voltage power supply through the cable 13, mating connector 39 and electrical connector 38 to the subcompact ionization module 2. The subcompact ionization module 2 ionizes the surrounding air through at least one slot opening 11 and forms a conceptual cleaner air pocket 7, which has better air quality with much less air borne matters than ambient surrounding the face of the user.
The electrical connector 38 allows the subcompact ionization module 2 to be easily disconnected from the mating connector 39 of the cable 13 of the main power supply module 3.
The subcompact ionization module 2 is equipped with at least one hanger extension 12, which provides attachment support for the neck strap 10. The illustration of
The cut out 29 cuts through collector plate 42, collector cover 41 and module cover 27 exposing the internal components of the ionization module 2. The module cover 27 can be made of plastic or metal.
The encapsulated PCBA 21 is comprised of multiplier PCBA 22 molded inside the encapsulation compound (resin) 23, which protects the multiplier PCBA 22 from external shorting of the electrical circuits. The input of the multiplier PCBA 22 is connected to the electrical connector 38 through cable 13. The output of the multiplier PCBA 22 is connected to the ionization element 36 through connecting lead 24. The multiplier PCBA 22 can be composed of conventional through holes electronic components, surface mounted technology (SMT) components, chip on board technology components or combination of these components. The SMT components as well as the chip on board technology components allow the PCBA 22 to be smaller in physical size and the encapsulation prevents the components to be shorted due to small distances between conductive leads of different voltage potentials. It results that the physical form factor of the PCBA 22 can be minimized.
The encapsulated PCBA 21 and the ionization element 36 are supported by the module cover 27. The ionization element 36 comprises of needle base 28 and at least one ionization needle 25. There are six ionization needles 25 shown in
In practice, the multiplier PCBA 22 receives high oscillating voltage at its input and transforms it into much higher electrical potential functions at the output. The output is then transmitted to the ionization element 36. The ionization needle 25 of the ionization element 36 will then produce high levels of negative ions. These negative-ion-generators cause electrons to be added to molecules of Oxygen, Nitrogen and other trace gases in the surrounding ambient air forming ionized air stream 26 through the slot opening 11. As results, a concentration of these charged molecules of gases fills the ambient surrounding of the slot opening 11 and exhibits a cleaner air pocket 7 environment surrounding the ionization module 2. This process creates ions with a negative charge. When the ions become negatively charged, they collide with airborne pollutants such as pollen, mold spores, dust, bacteria, tobacco smoke, saliva moisture, sneeze moisture and many other airborne particles. The negative charge of ion is then transferred to the airborne particles. Surrounding this newly negatively charged particle are many other particles that are positively charged. These positively charged particles will adhere to the negatively charged particles and eventually become too heavy to be airborne and drop off from the air stream.
The physical size of the subcompact ionization module 2 is governed by the number of ionization needles 25 and the size of the encapsulated PCBA 21. With the use of SMT components, chip on board technology components and encapsulation as insulator between components, the form factor of the subcompact ionization module 2 can be optimized to the smallest dimensions. It results that a well designed subcompact ionization module 2 can be as small as a match box weighing about couple of ounces and most users will find that to be very comfortable to wear; especially when comparing to a complete personal ionic air cleaner with batteries and transformer hanging around the neck. Furthermore, a reasonable personal ionic air and breath cleaner should have a reasonable cleaning power output and reasonable battery power duration. These basic requirements will make a complete well non-modular designed personal ionic breath and air cleaner very awkward to wear by hanging around the neck 8. However, with this subcompact ionization modular concept, a well designed personal modular ionic breath/air cleaner 1 can be divided into a main power supplying module 3 and a subcompact ionization module 2 linked together with cable 13. Users will find it to be very comfortable with heavy main power supplying module 3 mounted onto the waist belt and just the small and light subcompact ionization module 2 being supported by the neck 8/shoulder 9 portion of the body.
The voltage multiplier 30 can be comprised of electronic components with any combination of capacitor 34, diode 33, resistor 35 and IC 40 that can facilitate the function of voltage multiplying. The oscillating output of the transformer 31 is connected to the mating connector 39 through the conductor leads 32 of the cable 13; and is then transmitted to electrical connector 38 when connector 38 is connected to mating connector 39. This oscillating output is transmitted to the input of the voltage multiplier 30 through conductor leads 32. The voltage multiplier 30 then magnifies the voltage to high enough output voltage for supporting the ionization process at the ionization element 36.
The (+) positive pole of the battery power supply 46 is connected to the mating connector 39 via conductor lead 32 of cable 13; and is then connected to electrical connector 38 when connector 38 is connected to mating connector 39. The collector plate 42 of the subcompact ionization module 2 is connected to the (+) positive pole of the battery power supply 46 through conductor lead 32 connecting to electrical connector 38. This modular personal ionic breath cleaner 1 is a full function ionization filtration system with power supplied by the main power supply module 3, ionization charging at subcompact ionization module 2 and charged airborne matters collection by the collector plate 42.
Experiment shows 8 AA (2000 mAH) NiMH rechargeable batteries can support operation of a modular personal ionic breath cleaner 1 prototype device for over 24 hours.
The cut out 29 cuts through collector plate 42, collector cover 41 and module cover 27 exposing the internal components of the ionization module 2. The module cover 27 can be made of plastic or metal.
The ionization element 36 is supported by the module cover 27 and is connected through connecting lead 24 to the electrical connector 38 through cable 13. The ionization element 36 comprises of needle base 28 and at least one ionization needle 25. There are six ionization needles 25 shown in
The ionization needle 25 produces high levels of negative ions when high voltage is applied to it. These negative-ion-generators cause electrons to be added to molecules of Oxygen, Nitrogen and other trace gases in the surrounding ambient air forming ionized air stream 26 through the slot opening 11. As results, a concentration of these charged molecules of gases fills the ambient surrounding of slot opening 11 and exhibits a cleaner air pocket 7 environment surrounding the ionization module 2. This process creates ions with a negative charge. When the ions become negatively charged, they collide with airborne pollutants such as pollen, mold spores, dust, bacteria, tobacco smoke, saliva moisture, sneeze moisture and many other airborne particles. The negative charge of ion is then transferred to the airborne particles. Surrounding this newly negatively charged particle are many other particles that are positively charged. These positively charged particles will adhere to the negatively charged particles and eventually become too heavy to be airborne and drop off from the air stream.
The physical size of the subcompact ionization module 2 is governed by the number of ionization needles 25 and the form factor of the subcompact ionization module 2 can now be optimized to the smallest dimensions. It results that a well designed subcompact ionization module 2 can be as small as a match box weighing about couple of ounces and most users will find that to be very comfortable to wear; especially when comparing to a complete personal ionic breath/air cleaner with batteries and transformer hanging around the neck. Furthermore, a reasonable personal ionic breath cleaner should have a reasonable cleaning power output and reasonable battery power duration. These basic requirements will make a complete well designed personal ionic breath/air cleaner very awkward to wear by hanging around the neck 8. However, with this subcompact ionization module 2 concept, a well designed personal subcompact modular ionic breath/air cleaner 1 can be divided into a main power supplying module 3 and a subcompact ionization module 2 linked together with a cable 13. Users will find it to be very comfortable with heavy main power supplying module 3 mounted onto the waist belt and just the small and light subcompact ionization module 2 supported by the neck 8/shoulder 9 portion of the body.
The output of the voltage multiplier 30 of the main per supply module 3 is connected to the mating connector 39 through the conductor leads 32 of the cable 13; and is then transmitted to electrical connector 38 when connector 38 is connected to mating connector 39. This high voltage output is transmitted to ionization element 36 through connecting lead 24. The high voltage potential supports the ionization process at the ionization element 36.
The (+) positive pole of the battery power supply 46 is connected to the mating connector 39 via conductor lead 32 of cable 13; and is then connected to electrical connector 38 when connector 38 is connected into mating connector 39. This collector plate 42 of the subcompact ionization module 2 is eventually connected to the (+) positive pole of the battery power supply 46 through conductor lead 32 connecting to electrical connector 38 and cable 13. Collector plate 42 provides an adhesion surface for the oppositely charged airborne matters to adhere to. It results that the ionic charged air passing over the surface of the collector plate 42 will have much less airborne substances and be considered as much cleaner in air quality. This modular personal ionic breath cleaner 1 is a full function ionization filtration system with power supplied by the main power supply module 3, ionization charging at subcompact ionization module 2 and charged airborne matters collection by the collector plate 42.
Experiment shows 8 AA (2000 mAH) NIMH rechargeable batteries can support operation of a modular personal ionic breath cleaner 1 prototype device for over 24 hours.
It will be appreciated that the sizes, quantities, shapes and dispositions of various components like ionization element, hanger extensions, conductor leads, wires, cable length, material use, slot opening size, type of connectors and size can be varied, without departing from the spirit and scope of the invention. Similarly, the sizes and shapes of the housing, collector plate, collector cover and the like may be varied. While the methods of connecting the neck strap of the cable are illustrated, other methods may instead be used to facilitate the concept of neck strap. While the method of mounting ionization element at the top concept is illustrated, other directions, relative locations and methods may instead be used to facilitate the concept of mounting the ionization element to the final system.
Modifications and variations may be made to the disclosed embodiments without departing from the subject and spirit of the invention as defined by the following claims.