WO2018210023A1

WO2018210023A1 - Portable disinfection device

Info

Publication number: WO2018210023A1
Application number: PCT/CN2018/076705
Authority: WO
Inventors: 仇登伟; 黄坚烽
Original assignee: 广东顺德和壹设计咨询有限公司
Priority date: 2017-05-18
Filing date: 2018-02-13
Publication date: 2018-11-22

Abstract

A portable disinfection device comprises a deep ultraviolet LED lamp for disinfection (120) and a portable power supply device (110) to be connected to a mobile power supply apparatus. The portable power supply device (110) is connected to the deep ultraviolet LED lamp for disinfection (120). The portable power supply device (110) is a USB power supply device or a lightning power supply device. The portable power supply device (110) is connected to a mobile power supply apparatus in a plug-and-play manner to supply power to the deep ultraviolet LED lamp for disinfection (120) in the portable disinfection device. The portable disinfection device is not limited to an indoor AC power supply source.

Description

Portable sterilizer

Technical field

This invention relates to the field of sterilizers, and more particularly to portable sterilizers.

Background technique

At present, environmental pollution is serious, and daily necessities such as clothes are easily contaminated by bacteria, and people are inevitably injured when exercising outdoors. It is necessary to disinfect the injured parts as soon as possible. The traditional sterilizer is large in size, is inconvenient to carry during daily outings or on a business trip, and often needs to be connected to an AC power source during use, resulting in being unable to be used outdoors. Even if a rechargeable battery is added to a conventional sterilizer, the volume and weight of the sterilizer are increased, resulting in inconvenience in use.

Summary of the invention

Based on this, it is necessary to provide a portable sterilizer for the technical problem that the scope of application of the conventional sterilizer is limited.

In order to achieve the above object, an aspect of the present invention provides a portable sterilizer comprising a deep ultraviolet sterilizing LED lamp, wherein the portable sterilizer further comprises a portable power supply device for connecting the mobile power supply device, and the portable power supply device is connected to the deep ultraviolet ray The sterilization LED lamp; wherein the portable power supply device is a USB power supply device or a Lightning power supply device.

In one of the embodiments, the mobile powering device is a smart mobile terminal or a portable mobile power source.

In one embodiment, the portable power supply device includes a power take-off module, an inductor, a first diode, and an LED drive module;

The power input end of the LED driving module is respectively connected to the voltage output end of the power taking module and one end of the inductor, and the power input detecting end of the LED driving module is respectively connected to the other end of the inductor, the positive pole of the first diode, and the power output of the LED driving module. The ends are respectively connected to the negative electrode of the first diode and the positive electrode of the deep ultraviolet sterilization LED lamp; the negative electrode of the deep ultraviolet sterilization LED lamp is grounded.

In one embodiment, the portable power supply device further includes a sampling resistor; one end of the sampling resistor is respectively connected to the negative pole of the deep ultraviolet sterilization LED lamp, the power sampling end of the LED driving module, and the other end of the sampling resistor is grounded.

In one of the embodiments, the LED driving module is a DC-DC constant current driving module or a DC-DC constant voltage driving module.

In one embodiment, the power take-off module includes a USB Type-C interface; the voltage output end of the USB Type-C interface is connected to the power input end of the LED drive module.

In one embodiment, the power take-off module includes a Lightning interface and a power-on authentication protocol chip connected to the Lightning interface;

The voltage output of the Lightning interface is connected to the voltage input of the LED driver module.

In one embodiment, the portable power supply device further includes a resistor, a capacitor, and a second diode;

One end of the resistor, one end of the capacitor, and the negative end of the second diode are respectively connected to the voltage input end of the power authentication protocol chip; the other end of the resistor and the other end of the capacitor are respectively grounded; the anode of the second diode is connected to the Lightning interface Voltage output.

In one embodiment, the portable sterilizer further includes a first LED indicator and a second LED indicator; the first LED indicator and the second LED indicator are respectively connected to the portable power supply device.

In one embodiment, the portable sterilizer further includes a housing, a lower main cover, a transparent plate, and a sealing ring, the housing and the lower main cover forming a cavity having an opening;

The portable power supply device and the deep ultraviolet sterilization LED lamp are disposed in the cavity, the transparent plate is located between the deep ultraviolet sterilization LED lamp and the opening; the sealing ring is disposed at the connection of the lower main cover and the housing.

The portable sterilizer provided by the above technical solution can be connected to an external mobile power supply device through a portable power supply device, and plug and play, and power the deep ultraviolet sterilizing LED lamp in the portable sterilizer. The portable sterilizer of the invention is not limited to the indoor AC power supply, is convenient to use, and does not need to provide an additional power supply in the sterilizer, has small volume, high integration and is convenient to carry.

DRAWINGS

1 is a schematic view showing a circuit connection structure of a portable sterilizer in an embodiment;

2 is a schematic view showing another circuit connection structure of the portable sterilizer in one embodiment;

3 is a schematic view showing another specific circuit connection structure of the portable sterilizer in one embodiment;

4 is a schematic diagram showing a specific circuit connection structure of an LED driving module of a portable sterilizer in one embodiment;

5 is a schematic diagram showing a specific circuit connection structure of a USB Type-C interface of a portable sterilizer in an embodiment;

6 is a schematic diagram showing a specific connection structure of a USB Type-C interface of a portable sterilizer and a constant current driving module PT4103 in one embodiment;

7 is a schematic diagram showing a specific circuit connection structure of a Lightning interface of a portable sterilizer in an embodiment;

8 is a schematic diagram showing a specific connection structure of a Lightning interface and a constant current driving module PT4103 in a portable sterilizer according to an embodiment;

9 is a schematic diagram showing a specific connection structure of a power take-off authentication protocol chip of a portable sterilizer in an embodiment;

Figure 10 is a schematic view showing the connection structure of the LED indicator circuit of the portable sterilizer in one embodiment;

Figure 11 is a schematic view showing the structure of a portable sterilizer in one embodiment.

detailed description

In order to facilitate the understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the invention are given in the drawings. However, the invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and comprehensive.

It should be noted that when an element is referred to as “connecting” another element, it can be directly connected to the other element and integrated, or a central element may be present at the same time. The terms "mounted," "an end," "the other end," and the like, are used herein for the purpose of illustration.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. The terminology used in the description of the present invention is for the purpose of describing particular embodiments and is not intended to limit the invention. The term "and/or" used herein includes any and all combinations of one or more of the associated listed items.

Referring to FIG. 1, a portable sterilizer according to an embodiment of the present invention includes a deep ultraviolet sterilizing LED lamp 120, wherein the portable power supply device 110 for connecting an external mobile power supply device is further included, and the portable power supply device 110 is connected to a deep ultraviolet sterilizing LED lamp. 120; wherein the portable power supply device 110 is a USB power supply device or a Lightning power supply device.

Specifically, the deep ultraviolet sterilization LED lamp 120 and the portable power supply device 110 can be integrated as a main board. The portable power supply unit 110 can connect the mobile power supply device in a pluggable manner to provide a constant voltage or current to the deep ultraviolet sterilization LED lamp 120. Specifically, in the embodiment, the portable power supply device 110 can be, but is not limited to, a Lightning power supply device including a Lightning interface or a USB power supply device including a USB interface, wherein the USB interface can be a USB Type-C interface. When the portable power supply device 110 accesses the power supply output of the mobile power supply device with the Lightning interface or the USB interface, the portable power supply device 110 transmits the power voltage of the mobile power supply device to the deep ultraviolet sterilization LED lamp 120, and disconnects and moves the power supply device. When connected, the portable power supply unit 110 stops supplying power to the deep ultraviolet sterilizing LED lamp 120.

The portable sterilizer of the present invention can be connected to a mobile power supply device through a portable power supply device, plug and play, and power the deep ultraviolet sterilizing LED lamp in the portable sterilizer. The invention is not limited to the indoor AC power supply, is convenient to use, and does not need to provide an additional power supply in the sterilizer, has small volume, high integration and is convenient to carry.

In one embodiment, the mobile powering device is a smart mobile terminal or a portable mobile power source.

Specifically, the smart mobile terminal may be a smart phone, a tablet computer or the like provided with a USB interface or a Lightning interface; the portable mobile power source may be a mobile power source provided with a USB interface or a Lightning interface. The portable sterilizer of the invention can be plugged into a mobile power supply device, such as a smart mobile terminal or a portable mobile power source, and has a flexible use range, is convenient for sterilization and disinfection of the articles to be disinfected, and is light and portable.

Referring to Fig. 2, a portable sterilizer according to another embodiment of the present invention has a structure similar to that of the above embodiment, including a deep ultraviolet sterilizing LED lamp, a portable power supply device connected to the mobile power supply device, and a portable power supply device connected to the deep ultraviolet sterilizing LED lamp. The difference is that the portable sterilizer provided in this embodiment includes a power taking module 210, an inductor L1, a first diode D1, and an LED driving module 220. The power input terminals 2 of the LED driving module 220 are respectively connected. The power output terminal of the power take-off module 210 and the one end of the inductor L1 are connected to the other end of the inductor L1, the anode of the first diode D1, and the power output of the LED driver module 220. 4 Connect the negative electrode of the first diode D1 and the positive electrode of the deep ultraviolet sterilizing LED lamp D2, respectively; the negative electrode of the deep ultraviolet sterilizing LED lamp D2 is grounded.

Specifically, the power take-off module 210 can be connected to the mobile power supply device to obtain a power voltage. In this embodiment, the inductor L1 can be connected to the LED driving module 220. When the power receiving module 210 transmits the obtained power voltage to the LED driving module 220 and the inductor L1, the power input detecting terminal 3 of the LED driving module 220 detects There is a voltage input, at which time the LED driving module 220 resonates with the inductor L1, and the LED driving module 220 generates a stable pulse voltage or pulse current with a fixed pulse frequency, and the pulse voltage or pulse current passes through the power output end of the LED driving module 220. 4 Output to deep ultraviolet sterilization LED lamp D2, driving deep ultraviolet sterilization LED lamp D2 to work under constant voltage or current. Since the first diode D1 is connected between the power input detecting terminal 3 and the power output terminal 4, the first diode D1 isolates the voltage or current according to the characteristic of the diode unidirectional conduction, and prevents the pulse voltage or the pulse current. Feedback to the LED driver module 220 through the power input detection terminal 3 affects its normal operation.

The portable sterilizer of the present invention comprises a power taking module, an inductor, a diode and an LED driving module, which can be connected to form a constant LED driving, has a simple circuit structure and high integration, and is suitable for use in a mobile power supply device. Further, the inductor, the diode and the LED driving module perform a constant current from the voltage obtained by the power take-off module, thereby forming a stable working power source and outputting to the deep ultraviolet sterilizing LED lamp, ensuring that the deep ultraviolet sterilizing LED lamp can be at a constant voltage. Or run under current. The portable power supply device of the portable sterilizer of the invention can integrate the power taking module, the inductor, the diode, and the LED driving module, and provides a constant working power for the deep ultraviolet sterilizing LED, and the overall volume is small and easy to carry. The invention achieves the sterilization and disinfection effect, and makes the volume shape of the sterilizer small and light, and can be used with an external portable mobile power supply device.

Referring to FIG. 3, a portable sterilizer according to another embodiment of the present invention has a structure similar to that of the previous embodiment, except that in the portable sterilizer provided in this embodiment, the portable power supply device 30 further includes a sampling resistor R1; One end of the sampling resistor R1 is connected to the negative electrode of the deep ultraviolet sterilizing LED lamp D2, the power sampling end 5 of the LED driving module 320, and the other end of the sampling resistor R1 is grounded.

Specifically, the sampling resistor R1 is connected to the negative electrode of the deep ultraviolet sterilizing LED lamp D2, and the two are connected in series, and the current flowing through the deep ultraviolet sterilizing LED lamp D2 is equal to the current flowing through the sampling resistor R1. When a current flows through the sampling resistor R1, a voltage difference is formed between the sampling resistor R1 and the ground through the sampling resistor R1, that is, a voltage is formed across the sampling resistor R1. The power sampling terminal 5 of the LED driving module 320 is connected to one end of the sampling resistor R1. Thus, the LED driving module obtains part or all of the voltage or current of the sampling resistor R1 through the power sampling terminal 5 as a sampling voltage or a sampling current. When the sampling voltage or sampling current is not within the sampling power supply range rated by the LED driving module 320, the output voltage or output current of the power output terminal 3 is automatically adjusted.

In the portable sterilizer of the present invention, the deep ultraviolet sterilizing LED lamp is connected to the sampling resistor, and the sampling voltage or the sampling current is obtained at one end of the sampling resistor through the power sampling end of the LED driving module, and further stabilized based on the sampling voltage or the sampling current. The purpose of the power supply is to ensure that the deep UV germicidal LED lamp operates in a stable working power supply.

The portable sterilizing device provided by another embodiment of the present invention has a structure similar to that of the above embodiment, except that in the portable sterilizer provided in this embodiment, the LED driving module is a DC-DC constant current driving module or a DC-DC. Constant voltage drive module.

Specifically, the DC-DC constant current driving module can provide a stable working current of the deep ultraviolet surface sterilization LED lamp, the power supply voltage obtained by the power take-off module fluctuates, or the power supply voltage or current fed back from the power sampling end is not within the rated working range. At the same time, the output current is adjusted to ensure that the deep ultraviolet sterilization LED lamp operates within the rated operating current range to maintain the sterilization effect of the portable sterilizer of the present invention.

Specifically, the DC-DC constant voltage driving module can provide a stable working voltage of the deep ultraviolet sterilization LED lamp, and the power supply voltage obtained by the power take-off module fluctuates, or the power supply voltage or current fed back from the power sampling end is not within the rated working range. Then, the output voltage is adjusted to ensure that the deep ultraviolet sterilization LED lamp operates within the rated working voltage range, and the sterilization effect of the portable disinfection of the invention is maintained.

Referring to FIG. 4, as a preferred embodiment, the LED driving module can be a DC-DC constant current driving module, so that the portable sterilizer of the present invention can obtain better sterilization effect and improve the portability of the sterilizer. The DC-DC constant current driving module can be selected as the PT4103 constant current driving chip U1.

Specifically, the power input terminal IN and the power input terminal SW of the PT4103 constant current driving chip U1 are connected to the inductor L1, and the power supply voltage obtained by the power take-off module 410 is input to the PT4103 constant current driving chip U1 and the inductor L1, and the PT4103 is constant current. The power input detecting terminal SW of the driving chip U1 detects that there is a voltage input. At this time, the PT4103 constant current driving chip U1 resonates with the inductor L1 and boosts the input voltage, and the PT4103 constant current driving chip U1 generates a pulse voltage of a fixed switching frequency of 1.25 MHz, and the pulse voltage is output to the power output terminal OV to Deep UV sterilizes the LED lamp D2 to operate at a stable operating voltage. The diode D1 has a single-conductivity, which prevents the pulse voltage from being fed back to the PT4103 constant current driving chip U1 through the power input detecting terminal SW to affect the normal output. Further, the power sampling end FB is connected to the negative electrode of the deep ultraviolet sterilizing LED lamp D2 and one end of the sampling resistor R1. When a current flows through the sampling resistor R1, a partial voltage is obtained at one end of the sampling resistor R1 and fed back to the PT4103 constant current driving chip U1. When the sampling voltage fed back by the power sampling end FB is detected to be higher or lower than the rated sampling voltage of 104 mV, Then, the output current of the power output terminal OV is automatically adjusted, and the purpose of constant current has been achieved.

In this embodiment, the portable sterilizer of the present invention uses the PT4103 constant current driving chip as the LED driving module, and the small size SOT23-6 package makes the portable sterilizer have a compact circuit structure, high integration, small size and easy to carry. At the same time, it has a fixed switching frequency of 1.25MHz and low feedback voltage. It can automatically adjust the current of deep ultraviolet sterilizing LED to achieve constant current, and provide stable working power for sterilizer.

Referring to FIG. 5, in one embodiment, the power take-off module of the portable sterilizer of the present invention includes a USB Type-C interface J1; the voltage output end of the USB Type-C interface J1 is connected to the power input end of the LED drive module.

Specifically, the USB Type-C interface J1 can be connected to the mobile power supply device as a power interface to obtain a power supply voltage, and one of the VBus interfaces of the USB Type-C interface J1 is connected to the power input end of the LED drive module, and the output is output. Voltage to the LED driver module.

The power taking module in the portable sterilizer of the invention comprises a USB Type-C interface, has a slim profile, superior power transmission performance, supports double-sided insertion of a USB interface, and can be assembled into a USB Type-C type USB power supply device, thereby improving the present invention. The portability makes the sterilizer lighter. At the same time, more and more USB Type-C interfaces are used in mobile power supply devices, such as popular Android smartphones, tablet computers, etc., so that the portable disinfection device of the present invention can adapt to a variety of mobile power supply devices. The sterilizer provides operating power supply voltage for increased flexibility in use.

Referring to FIG. 6, as a preferred embodiment, the LED driving module can be, but is not limited to, the PT4103 constant current driving chip, wherein the power input terminal IN is connected to one end of the voltage output terminal VBus of the USB Type-C interface J1, and one end of the inductor L1. . The USB Type-C interface J1 can be connected to the mobile power supply device to obtain the power supply voltage, and the power supply voltage is transmitted to the PT4103 constant current driving chip. Specifically, the power take-off module includes a USB Type-C interface J1 and is connected to the PT4103 constant current driving chip, and cooperates with each other to provide a working power supply for the deep ultraviolet sterilization LED lamp to achieve the principle of constant current and the embodiment illustrated in FIG. 4 . The working principle is the same, and will not be repeated here.

As shown in FIG. 6, as a preferred embodiment, the inductor L1 can take an inductance of 4.7 μH with an accuracy of 10%, the first diode D1 can take an IN4001 rectifier diode, and the resistor R1 can take a 5.1Ω resistor with a precision of 1%. Capacitor C1 can take a capacitance of 10% with a precision of 200nF16V. Thereby, the portable sterilizing device of the present invention can be further provided with a stable working voltage through the USB Type-C interface to further achieve the purpose of constant current.

Referring to FIG. 7, in one embodiment, the power take-off module of the portable sterilizer of the present invention comprises a Lightning interface J2 and a power-taking authentication protocol chip connected to the Lightning interface J2; the voltage output end of the Lightning interface J2 is connected to the power input end of the LED driving module. .

Specifically, the Lightning interface J2 is a high-speed multi-function I/O interface of the Apple mobile device, and the power authentication protocol chip can be an Apple Lightning OTG power authentication protocol chip. Among them, the Apple mobile device can be, but is not limited to, a mobile power supply device such as a smart phone, a tablet computer or a mobile power source including a Lightning interface. The Lightning interface J2 can be connected to the Apple mobile device as a power interface to obtain the power supply voltage. One end of the J2 voltage output terminal PWR of the Lightning interface is connected to the power input end of the LED driving module, and outputs the working voltage to the LED driving module. At the same time, the Lightning interface J2 needs to be connected to the power authentication protocol chip. The power authentication protocol chip provides the communication protocol handshake signal of the Apple mobile device, and assists the Apple mobile device to connect with the peripheral peripheral device, that is, the portable sterilizer of the present invention. In order to enable Apple mobile devices to provide deep UV sterilization LED lamp power supply voltage through Lightning interface J2.

The power take-off module of the portable sterilizer of the present invention comprises a Lightning interface, and a power-taking authentication protocol chip connected thereto, which can be assembled into a Lightning power supply device, and can then be connected to a mobile power supply device with a Lightning interface, such as an Apple smartphone or a tablet. Apple intelligent mobile terminal such as computer, Apple smart mobile terminal as a popular intelligent terminal, the sterilizer of the present invention can be applied to a variety of mobile power supply devices, and is convenient to use. Further, the power take-off module includes an interconnected Lightning interface and a power take-off authentication protocol chip, which has a slim profile, superior power transmission performance, and supports double-sided insertion, which improves the portability of the present invention and has a flexible application range.

Referring to FIG. 8, as a preferred embodiment, the LED constant current driving module can be, but is not limited to, a PT4103 constant current driving chip. The power input terminal IN of the PT4103 constant current driving chip is connected to one end of the PWR and one end of the inductor L1 in the voltage output end of the Lightning interface. The Lightning interface completes the communication protocol authentication through the power authentication protocol chip, and transmits the power voltage obtained from the mobile power supply device to the PT4103 constant current driving chip. Specifically, the power take-off module including the Lightning interface and the power-on authentication protocol chip is connected to the PT4103 constant-current driving chip, and cooperates with each other to provide a working principle of the deep ultraviolet sterilization LED lamp working power supply and the above-mentioned embodiment of FIG. The principle is consistent and will not be described here.

As shown in FIG. 8, as a preferred embodiment, the inductor L1 can take an inductance of 4.7 μH with an accuracy of 10%, D1 can take an IN4001 rectifier diode, and the resistor R1 can take a 5.1Ω resistor with a precision of 1%, and the capacitor C1 can take The 200nF16V is 10% accurate. Thus, the portable sterilizer of the present invention can be further provided with a stable operating voltage through the Lightning interface and the power-on authentication protocol chip to further achieve the purpose of constant current.

As shown in FIG. 8, in one embodiment, in the portable sterilizer of the present invention, the portable power supply device further includes a resistor R3, a capacitor C3, and a second diode D5; one end of the resistor R3, one end of the capacitor C3, and a second The cathode of the diode D5 is connected to the voltage input terminal 1 of the power authentication protocol chip; the other end of the resistor R3 and the other end of the capacitor C3 are grounded; the anode of the diode D5 is connected to the voltage output terminal PWR of the Lightning interface.

The portable sterilizer of the invention is connected with a resistor, a capacitor and a diode at a voltage input end 1 of the power authentication protocol chip, and performs filtering and voltage division processing on a voltage input to the power authentication protocol chip to further provide a power authentication. The operating voltage of the protocol chip. It can effectively ensure that the power-on authentication protocol chip cooperates with the Lightning interface to complete the communication protocol handshake, so that the Lightning interface provides a stable power supply voltage to the deep ultraviolet sterilization LED lamp.

Referring to FIG. 9, as a preferred embodiment, the power-on authentication protocol chip may be an ABS-251 power authentication protocol chip.

Specifically, the voltage input terminal VDD of the ASB-251 power authentication protocol chip is connected to one end of the voltage output terminal PWR of the Lightning interface, and the Apple communication protocol handshake signal terminal DQ is connected to the identification strobe signal terminal ID0 and ID1 of the Lightning interface. The USB data communication positive signal terminal DP is connected to the data transmission signal terminals L1p and L0p of the Lightning interface, and the USB data communication negative signal terminal DM is connected to the data transmission signal terminals L0n and L1n of the Lightning interface. Thus, the ASB-251 and the Lightning interface are interconnected to complete the Apple communication protocol handshake of the Lightning interface-based mobile power supply device, so that the Lightning interface-based mobile power supply device is connected to the portable sterilizer of the present invention, and then the mobile power supply based on the Lightning interface. The device provides a deep ultraviolet sterilization LED lamp power supply voltage through the Lightning interface, and the circuit has a simple structure, and the invention can be used with the mobile power supply device and is easy to carry.

As shown in FIG. 9, as a preferred embodiment, the resistor R3 can take a resistance of 5% with a precision of 100 Ω, the capacitor C3 can take a capacitance of 100% with a precision of 20%, and the second diode D5 can take a rectifier diode of the IN4001. Therefore, the ASB-251 power-on authentication protocol chip further effectively ensures that the communication protocol handshake is completed with the Lightning interface.

Referring to FIG. 10, in one embodiment, the portable sterilizer of the present invention further includes a first LED indicator and a second LED indicator; the first LED indicator and the second LED indicator are respectively connected to the portable power supply unit 10.

In the portable sterilizer of the invention, the portable power supply device is connected with the first LED indicator and the second LED indicator, which helps to identify the working state of the sterilizer, plays a prompt role and is convenient to use.

As shown in FIG. 6, as a preferred embodiment, the anodes of the first LED indicator D3 and the second LED indicator D4 are connected to the voltage output terminal VBus of the USB Type-C interface J1 of the power take-off module through the resistor R2. A VBus end is used to illuminate the indicator light to indicate that the sterilization device of the present invention is operational.

As shown in FIG. 8, as a preferred embodiment, the anode of the first LED indicator and the second LED indicator D4 is connected to one of the PWR terminals of the voltage output terminal PWR of the Lightning interface J2 of the power take-off module through the resistor R2. In order to illuminate the indicator light, the disinfection device of the present invention is prompted to start operating.

Referring to Figure 11, in one embodiment, the portable sterilizer of the present invention includes a housing 1, a lower main cover 2, a transparent plate 7, and a sealing ring 8, and the housing 1 and the lower main cover 2 form a cavity having an opening 6. ;

The portable power supply unit and the deep ultraviolet sterilizing LED lamp are disposed in the cavity, and the transparent plate 7 is located between the deep ultraviolet sterilizing LED lamp and the opening 6; the sealing ring 8 is disposed at the junction of the lower main cover 2 and the casing 1.

Specifically, the lower main cover 2 is provided with a card block 5, and the casing 1 is correspondingly provided with a card slot 3, and the card block 5 of the lower main cover is connected with the card slot 3 of the casing 1 to form a cavity having an opening 6. The portable power supply device and the deep ultraviolet sterilizing LED lamp are integrated into the main board 4, the main board 4 is disposed in the cavity, the transparent board 7 is located between the deep ultraviolet sterilizing LED lamp and the opening 6, and the sealing ring 8 is disposed on the connection of the lower main cover and the housing At the office. Wherein, the transparent plate may be, but not limited to, an acrylic plate or a glass plate, and the glass plate may be a quartz glass plate. The seal can be, but is not limited to, a silicone rubber ring.

The portable sterilizer of the invention can integrate the portable power supply device and the deep ultraviolet sterilizing LED lamp into the cavity formed by the main board and the casing, and has a small outer shape and is convenient to carry, and has a flexible use range and can be treated at any time. Sterilize the items for sterilization.

As shown in FIG. 11, as a preferred embodiment, the portable sterilizer of the present invention further comprises a casing 6, wherein the casing 1 is provided with a stepped surface 10, the outer casing 6 is sleeved under the main cover 2, and the outer casing 6 is under The edge is in contact with the stepped surface 10 of the housing 1.

As a preferred embodiment, the deep ultraviolet sterilizing LED lamp in the portable sterilizer of the present invention is a deep ultraviolet sterilizing LED lamp having a wavelength ranging from 270 nm to 280 nm.

The portable sterilizer of the invention has a deep ultraviolet sterilizing LED lamp with a wavelength range of 270 nm to 280 nm, which can produce better sterilization and disinfection effects, and has the advantages of safety, environmental protection, high efficiency and low power consumption. .

The technical features of the above embodiments may be arbitrarily combined. For the sake of brevity of description, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, It is considered to be the range described in this specification.

The above embodiments are merely illustrative of several embodiments of the invention, and the description thereof is more specific and detailed, but is not to be construed as limiting the scope of the invention. It should be noted that a number of variations and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. Therefore, the scope of the invention should be determined by the appended claims.

Claims

A portable sterilizer comprising a deep ultraviolet sterilizing LED lamp, characterized in that the portable sterilizer further comprises a portable power supply device for connecting a mobile power supply device, wherein the portable power supply device is connected to the deep ultraviolet sterilizing LED lamp; The portable power supply device is a USB power supply device or a Lightning power supply device.
The portable sterilizer of claim 1 wherein said mobile powering device is a smart mobile terminal or a portable mobile power source.
The portable sterilizer according to claim 1, wherein said portable power supply device comprises a power taking module, an inductor, a first diode, and an LED driving module;

The power input end of the LED driving module is respectively connected to the voltage output end of the power take-off module and one end of the inductor, and the power input detecting end of the LED driving module is respectively connected to the other end of the inductor, the first The anode of the diode, the power output end of the LED driving module is respectively connected to the anode of the first diode, the anode of the deep ultraviolet sterilization LED lamp, and the cathode of the deep ultraviolet sterilization LED lamp is grounded.
The portable sterilizer according to claim 3, wherein said portable power supply device further comprises a sampling resistor;

One end of the sampling resistor is respectively connected to a negative pole of the deep ultraviolet sterilization LED lamp, a power sampling end of the LED driving module, and the other end of the sampling resistor is grounded.
The portable sterilizer according to claim 3, wherein the LED driving module is a DC-DC constant current driving module or a DC-DC constant voltage driving module.
The portable sterilizer according to claim 3, wherein the power take-off module comprises a USB Type-C interface; and the voltage output end of the USB Type-C interface is connected to a power input end of the LED drive module.
The portable sterilizer according to claim 3, wherein the power take-off module comprises a Lightning interface and a power-taking authentication protocol chip connected to the Lightning interface;

The voltage output end of the Lightning interface is connected to the power input end of the LED driving module.
The portable sterilizer according to claim 7, wherein said portable power supply device further comprises a resistor, a capacitor and a second diode;

One end of the resistor, one end of the capacitor, and a cathode of the second diode are respectively connected to a voltage input end of the power take-off authentication protocol chip; the other end of the resistor and the other end of the capacitor are respectively grounded The anode of the second diode is connected to the voltage output of the Lightning interface.
The portable sterilizer according to any one of claims 1 to 8, wherein the portable sterilizer further comprises a first LED indicator and a second LED indicator;

The first LED indicator and the second LED are respectively connected to the portable power supply device.
A portable sterilizer according to claim 9, wherein said portable sterilizer further comprises a housing, a lower main cover, a transparent plate, and a sealing ring, said housing and said lower main cover forming a cavity having an opening body;

The portable power supply device and the deep ultraviolet sterilizing LED lamp are disposed in the cavity, the transparent plate is located between the deep ultraviolet sterilizing LED lamp and the opening; the sealing ring is disposed on the lower main a joint of the cover with the housing.