CN2174994Y - Multi-function portable ultra-violet disinfection device - Google Patents

Abstract

The utility model relates to a multi-function portable ultraviolet sterilizing device, comprising a monolithic radiogram, an indicator light, an operating mode select switch, and a pulse excitation modulating ultraviolet sterilizer. The utility model causes sterilization, reception, lighting functions, etc. to integrate. The utility model has the advantages of small size, light weight, and easy carrying. The utility model is especially suitable for tour, outbound persons, and families.

Description

Multi-function portable ultra-violet disinfection device

This utility model relates to a kind of portable multifunctional ultraviolet sterilizer that integrates purposes such as sterilization, radio reception and illumination.

Along with developing rapidly of sociometric technique, human had higher requirement to own living environment with the sanitation and hygiene degree that contacts article, so that more effectively protect mankind itself's health and safety.But expanding economy makes flowing of population and associates more frequent.In people's frequent contact, the people who has various viral bacterium will can produce pollution to environment and article inevitably, cause cross infection, thus the serious harm human beings'health.In recent years, along with the progress of social civilization, the human sterilization of having adopted multiple mode public environment and public utensil to be carried out strictness.But, because the standard of living of various places has very big gap both at home and abroad, the disinfecting of most of local public places and public appliance is all far unsatisfactory, the sterilization of various tablewares, tea set bathtub, toilet seat, pillow covering towel, coverlet is very not thorough, even there are some not carry out sterilization at all, cause numerous tourism employee on business trip's diet and the daily life state of mind panic, be in fear of the infected accident disease that goes up.

In recent years, for the disinfecting that solves public appliance with prevent cross infection, multiple decontaminant once released one after another.In these equipment, mostly be the liquid disinfection abluent.Because the liquid disinfection abluent is subjected to the limitation of cleaning condition in use, the utensil that can not at once use after can not cleaning or clean those, it is impracticable adopting the cleaning and sterilizing agent.

In the recent period, the new sterilization aerosol of releasing has some new handling characteristicss, thereby has remedied the weak point of disinfection cleaning agent to a certain extent.But aerosol is volatilization rapidly after sterilization, causes the sterilization chemicals in the aerosol to remain on the article that are sterilized.Although these chemicalses do not have obvious toxic and side effects to human body,, still can not use aerial fog disinfectant as the sterilization that directly contacts or can directly enter intravital numerous article with human body.

Specific wavelength (be familiar with by people already, and be used to the sterilization of multiple occasion by the ultraviolet sterilization effect of λ=254nm).Rises the air sterilizing apparatus of ultraviolet disinfector for drinking water (SZ series) that the glass ﹠ light factory produces, the production of Taiyuan City's sterilizing equipment decontaminating apparatus factory and table-ware disinfection machine etc. as Beijing east, all obtained good effect.But the equal more complicated of these sterilizing equipment decontaminating apparatuss even will be equipped with axial flow blower work, its complete machine be generally AC power supply, consumed power big (〉=100W) long (〉=10 minutes) just can reach sterilization effect the available machine time, equipment volume is big, weight is big, do not possess portability, thereby be unsuitable for going out individual or family's use.People wait in expectation and the reliable and portable multipurpose decontaminant appearance of a kind of sterilization occurs.

The purpose of this utility model is to provide a kind of portable multifunctional ultraviolet sterilizer, overcomes the inherent shortcoming and the limitation of aforementioned various decontaminants, is easy to carry, sterilization is reliable, need not after the sterilization to clean, and has radio reception and illumination functions concurrently.

This utility model is achieved through the following technical solutions: a kind of portable multifunctional ultraviolet sterilizer, it comprises the integrated radio of monolithic (1), lighting pilot lamp (2), working mode selection switch (3) and the synthetic ultraviolet sterilizer of pulse excitation.The synthetic ultraviolet disinfection of pulse excitation unit is made of low-voltage dc power supply (4), the controlled monopulse generator of width (5), electronic gate (6), pulse modulated audio oscillator (7), booster transformer (8), high pressure half-wave voltage-doubler rectifier (9) and ultraviolet generator tube (10); By working mode selection switch (3), can select sterilization, radio reception or illumination to show three kinds of functions respectively; When selecting the sterilization function, the controlled monopulse generator of width (5) has in fact constituted a pulse width modulator with electronic gate (6), the controlled pulse of the width of its output is modulated the vibration output of audio oscillator (7), therefore only in the action time of this controlled single pulse width, audio oscillator (7) just has output, this output becomes device (8) through boosting and boosts, by high pressure half-wave voltage-doubler rectifier (9) rectification, thus obtained high direct voltage excites ultra-violet light-emitting pipe (10) to send the high-intensity ultraviolet light that is used for sterilization then.

The portable multifunctional disinfector that the utility model proposes can overcome the inherent defect and the limitation of above-mentioned various decontaminants, satisfied numerous people to a kind of easy to use, be easy to carry, the serious hope of the reliable disinfecting equipment of sterilization.Specifically, consider the characteristics that tourism and migrant person individual uses, the portable decontamination apparatus of this utility model design has following performance:

1. direct current supply (+6V or+9V);

2. power consumption little (≯ 15W);

3. little (the greatest length ≯ 250mm) of volume;

4. in light weight (≯ 1.5Kg);

5. effectively radiant intensity big (in ultraviolet light pipe front surface 5cm, radiant intensity ≮ 1,000 μ W/cm ²); Peak wavelength 254nm;

6. sterilizing time short (to the killing rate of escherichia coli and staphylococcus aureus, at 30s with interior 〉=99.9%);

7. be subjected to clean, can use immediately according to article;

8. have radio reception and illumination deictic function concurrently.

Below in conjunction with accompanying drawing 1～3, further illustrate the concrete technical scheme of design of the present utility model and employing.

Fig. 1 is the theory diagram of portable multifunctional disinfector.

Fig. 2 is the circuit theory diagrams of portable multifunctional disinfector.

Fig. 3 is profile and the mounting structure figure of an embodiment of portable multifunctional disinfector.

In the accompanying drawings, identical parts come labelling with identical label.

Theory diagram referring to Fig. 1.Low voltage DC power supply (4) adopts commercially available high-capacity battery, its output voltage is+6V or+9V.Working mode selection switch (3) is selected three kinds of language functions of multifunctional disinfecting device respectively: sterilization, radio reception or illumination indication.

When selecting ' sterilization ' function, DC power supply (4) is to monopulse generator (5) power supply, and its output pulse width Pw is adjustable continuously, and design load is 1～30s.Monopulse generator (5) is actually the monostable circuit that is made of standard integrated timer (as 555 types).Electronic gate (6) is by the electrical switch of complementary transistor to constituting.Under the control of the output pulse of monopulse generator (5), this electrical switch is connected, so the output voltage+6V of DC power supply (4) or+the synthetic audio oscillator of 9V paired pulses (7) loads, make it produce the vibration of frequency between 20～30KHz, this audio oscillation output is after transistor amplifies, boost and the rectifying and wave-filtering of high pressure half-wave voltage-doubler rectifier (9) by booster transformer (8), so obtain the DC high pressure of 1～1.5KV.This DC high pressure directly is added to the two ends of ultra-violet light-emitting pipe (10), encourages it to send high-intensity ultraviolet, and its peak wavelength is about 254nm.Obviously, only in the action time of the output pulse width Pw of monopulse generator (5), audio oscillator (7) just starts operation, and ultra-violet light-emitting pipe (10) just obtains the HVDC excitation, and sends strong ultraviolet light.So regulating and controlling Pw is exactly the time that control produces ultraviolet light.

When selecting ' radio reception ' function, DC power supply (4) is to the integrated receiver circuit power supply of monolithic, thereby the portable multifunctional ultraviolet sterilizer can be used as radio.The integrated receiver circuit of alternative monolithic (single band amplitude modulation or frequency modulation, amplitude modulation two waveband) is as D1033P, D7641BP, CD2204, D3839A, CXA1033P, ULN3814, TDA1083, CIC7642, YS414 etc.

When selecting ' illumination indication ' function, DC power supply (4) can be used as emergent display lamp to power supply of built-in lighting pilot bulb thereby the portable ultraviolet sterilizer of many energy supplies.

Below in conjunction with Fig. 2, set forth the circuit theory of portable multifunctional ultraviolet sterilizer.1 * 4 toggle switch K among the figure constitutes working mode selection switch (3).When cutter spacing was allocated to first winding point (OFF), complete dynamo-electric source was cut off, and complete machine is in closed condition.When cutter spacing was allocated to second winding point (2X), the dc power supply of the monopulse generator in the ultraviolet sterilizer unit (5) was switched on.Monopulse generator (5) is mainly by integrated timer IC2(555 type) constitute with relevant element.This is a monostable circuit with reset switch AN2, and the width Pw of its output pulse is determined by timing element C7, R7 and R8, can change Pw by regulating R8, and its setting value is 1～30s.Complementary transistor constitutes electronic gate (6) to T3 and T4.Have only when ' 3 ' end of IC2 is exported positive pulse, just conducting of T3 and T4 is so load the DC supply voltage to IC3.IC3 also is integrated timer (555 type), and it and related elements constitute pulse modulated audio oscillator (7), produces the vibration of frequency in 20～30KHz scope in the time suitable with Pw.This vibration output is after transistor power amplifier T5 amplifies, by booster transformer TP1(is (8) among Fig. 1) be added to the high pressure half-wave voltage multiplying rectifier and the filter circuit that constitute by C12, D4, D5 and C13, so obtain the high direct voltage of 1～1.5KV, this high pressure is added to the two ends of U-shaped or plate-like ultra-violet light-emitting pipe by high voltage bearing feeder line (and being added with the teflon insulation sleeve pipe), excites it to produce high-intensity ultraviolet light (254nm).

When cutter spacing was allocated to the 3rd winding point (3S), complete machine was as radio or emergency lighting display lamp.AN1 among Fig. 2 is a Push switch, presses this switch, and illuminating lamp LAMP is luminous, unclamps this switch, and then lamp extinguishes.

Radio is mainly by monolithic ic chip 1(CIC7642) and the related elements formation.This is a single band AM receiver of listening to earphone.When the earphone stopper did not insert among the earphone socket P, its supply voltage+3V was cut, had only after the earphone stopper inserts earphone socket P, and circuit is just connected work.L1 and C2 form resonant tank, and regulating C2 can channel selection.T1 constitutes reference amplifier, and T2 is an emitter follower, is used for the impedance matching between amplifier and Low ESR (8 Ω) earphone.

Above-mentioned whole circuit is installed in the inside of an ABS engineering plastics spare structure, as shown in Figure 3.

Fig. 3 A is the outside drawing of portable multifunctional ultraviolet sterilizer; Fig. 3 B is the structure internal anatomy.In Fig. 3 B, the discous ultra-violet light-emitting pipe of spiral (10) is installed in inner face to have in the guard ring ring set (11) of aluminum film reflected coat layer.The circuit of the integrated radio of monolithic (1) is installed on the little circuit board, is provided with tuning knob (12) on the shell of disinfector.Working mode selection switch (3) is small-sized toggle switch, is used to select the different language functions of disinfector.Lighting pilot lamp (2) is controlled by toggle switch AN1.Switch AN2 is the gauge tap that resets of the controlled monopulse generator of width (5), slip controller (13) is regulated the output pulse width (being the R8 adjusting among Fig. 2) of monopulse generator (5), just regulates the actual fluorescent lifetime of ultra-violet light-emitting pipe (10).DC power supply (4) adopts 6 * 1.5V high-capacity battery.Full machine structure is very compact, its maximum dimension ≯ 250mm.

Put it briefly, the portable multifunctional ultraviolet sterilizer that the utility model proposes has that volume is little, in light weight, the characteristics of direct current supply, low in energy consumption and one-machine-multi-function, has solved the portable miniaturization issues of sterilized disinfector preferably.

Claims (7)

1, a kind of portable multifunctional ultraviolet sterilizer, it comprises the integrated radio of monolithic (1), lighting pilot lamp (2), working mode selection switch (3) and the synthetic ultraviolet sterilizer of pulse excitation unit, it is characterized in that the synthetic ultraviolet sterilizer of pulse excitation unit is made of low-voltage dc power supply (4), the controlled monopulse generator of width (5), electronic gate (6), pulse modulated audio oscillator (7), booster transformer (8), high pressure half-wave voltage-doubler rectifier (9) and ultra-violet light-emitting pipe (10); By working mode selection switch (3), can select sterilization, radio reception or three kinds of functions of illumination indication respectively; When selecting the sterilization function, the controlled monopulse generator of width (5) has in fact constituted a pulse width modulator with electronic gate (6), the controlled pulse of the width of its output is modulated the vibration output of audio oscillator (7), therefore only in the action time of this controlled single pulse width, audio oscillator (7) just has output, this output is boosted through booster transformer (8), by high pressure half-wave voltage-doubler rectifier (9) rectification, thus obtained high direct voltage excites ultra-violet light-emitting light pipe (10) to send the high-intensity ultraviolet light that is used for sterilization then.

2, portable multifunctional ultraviolet sterilizer according to claim 1 is characterized in that above-mentioned ultra-violet light-emitting pipe (10) is coiled spiral structure or U type structure.

3, portable multifunctional ultraviolet sterilizer according to claim 1 is characterized in that unitary each ingredient of the synthetic ultraviolet sterilizer of above-mentioned pulse excitation (4)～(10), all is installed in the inside of an ABS engineering plastics spare structure.

4, portable multifunctional ultraviolet sterilizer according to claim 1 is characterized in that the controlled monopulse generator of above-mentioned width (5), is the squarer that is saved by the width-adjustable that the monolithic integrated timer constitutes.

5, portable multifunctional ultraviolet sterilizer according to claim 1 is characterized in that above-mentioned audio oscillator (7), is the pulse-modulated oscillator that is made of the monolithic integrated timer.

6, portable multifunctional ultraviolet sterilizer according to claim 1 is characterized in that the lead that is connected between the two ends of above-mentioned high pressure half-wave voltage-doubler rectifier (9) and ultra-violet light-emitting pipe (10) is with the above highly compressed teflon sleeve of anti-KV.

7, portable multifunctional ultraviolet sterilizer according to claim 1, the installation inner face that it is characterized in that above-mentioned ultra-violet light-emitting pipe (10) is an aluminum film reflected coat layer.

Images