CN201085798Y - Blue light sterilization device - Google Patents

Abstract

The utility model relates to a blue light sterilizing equipment, it is installed in an object, and it includes: a power unit; the circuit unit is electrically connected with the power unit and generates a plurality of periodic pulse signals; and the light emitting source is electrically connected with the circuit unit and is driven by the pulse signal to emit blue light, and the wavelength range of the blue light is 450nm +/-25 nm. The utility model has the advantages of good light sterilization effect and short irradiation time, and is helpful for the recovery of the wound part.

Description

Blue light sterilization device

technical field

The utility model relates to medical engineering, in particular to a blue light sterilization device.

Background technique

Now light sterilization devices are widely used, such as a "light-emitting diode irradiator" disclosed in the domestic patent No. M252434, which mainly includes a nipple and a light-emitting diode, and its principle is to continuously emit low-intensity light through the light-emitting diode Laser radiation is projected on the affected area to achieve specific therapeutic effects, such as sterilization or biological reactions. Therefore, it can achieve the effect of physical therapy with light. Compared with the medicine method, it can achieve a specific effect in a non-contact manner, and has convenience in use.

However, in terms of conventional light sterilization devices, the generally used light waves have a wavelength range of 600nm to 700nm, and the energy they can provide is of a weaker level, and the power density is about 1.5 (mW/cm2) to 20 ( mW/cm2). In other words, the energy of this wavelength is low, the bactericidal effect is relatively limited, and the purpose of definite sterilization cannot be achieved. Considering the irradiation method of the conventional light sterilization device, as shown in Figure 1, the conventional light sterilization device emits light waves through continuous irradiation with a fixed energy and amplitude, which can meet the requirements for sterilization , but the effect on causing biological reactions is not significant, in other words, it is not easy to achieve the purpose of treatment with continuous irradiation, which has the disadvantage of poor therapeutic effect. Furthermore, conventional light sterilization devices generally require irradiation time of about 150 seconds to 900 seconds, and the treatment course is quite time-consuming. In addition, the user's limbs or joints may have to maintain a posture for a long time in conjunction with relevant actions, such as opening the mouth, which may cause soreness in the part, which is inconvenient to use.

To sum up, the conventional light sterilization device has the above disadvantages and needs to be improved.

Contents of the invention

In view of the above problems, the main purpose of this utility model is to provide a blue light sterilization device, which can use blue light with strong energy to carry out cold light sterilization, and has the advantages of better light sterilization effect and shorter irradiation time.

Another object of the present utility model is to provide a blue light sterilization device, which can perform cold light sterilization in the form of pulsed light, and has the characteristic of stimulating regeneration of normal cells.

In order to achieve the above purpose, the utility model provides a blue light sterilization device, which is installed on an object, and is characterized in that it includes: a power unit; a circuit unit, which is electrically connected to the power unit and generates a number of periodic a pulse signal; a light source, which is electrically connected to the circuit unit and driven by the pulse signal to emit a blue light, and the wavelength range of the blue light is 450nm±25nm.

In the above-mentioned technical solution of the present invention, the period of the pulse signal is 0.1 second to 0.33 milliseconds.

In the above-mentioned technical solution of the utility model, the period of the pulse signal is divided into an active section and a non-active section, the period of the pulse signal is 0.2 milliseconds in the active section, and the light source is in the active section The blue light is emitted in the active area, and the blue light is not emitted in the non-active area.

In the above-mentioned technical solution of the present invention, the power of each of the pulse signals is 0.01 Joule to 0.1 Joule.

In the above-mentioned technical solution of the present invention, the projection distance of the blue light is 1 cm to 10 cm.

In the above-mentioned technical solution of the present invention, the preferred projection distance of the blue light is 3cm-10cm.

In the above-mentioned technical solution of the present invention, the circuit unit further includes an input module for setting the action zone, power and irradiation time of the pulse signal.

In the above-mentioned technical solution of the present invention, the irradiation time ranges from 30 seconds to 300 seconds.

In the above technical solution of the present invention, the light emitting source is a light emitting diode.

By adopting the above technical solution, the blue light sterilization device of the present invention can use the blue light with strong energy to carry out cold light sterilization through the above structure, and has the advantages of better light sterilization effect and shorter irradiation time. In other words, compared with the conventional device, the utility model not only achieves the purpose of definite sterilization, but also shortens the irradiation time to speed up the course of treatment. Furthermore, the utility model can carry out cold light sterilization in the form of pulsed light, and also has the characteristics of stimulating normal cell regeneration, which is helpful for the recovery of the wound site.

Description of drawings

Fig. 1 is a schematic diagram of the action section of a conventional light sterilization device;

Fig. 2 is the control block diagram of the utility model first preferred embodiment;

Fig. 3 is a waveform diagram of the pulse signal in the first preferred embodiment of the present invention, mainly revealing the relationship between the active section and the non-active section;

Fig. 4 is the embodiment of the first preferred embodiment of the utility model;

Fig. 5 is the embodiment of the second preferred embodiment of the utility model;

Fig. 6 is the circuit block diagram of the second preferred embodiment of the utility model;

Fig. 7 is the implementation form of the third preferred embodiment of the present utility model;

Fig. 8 is an implementation form of the fourth preferred embodiment of the present utility model.

Detailed ways

In order to describe the structure, features and effects of the present utility model in detail, the following preferred embodiments are given below together with the accompanying drawings.

As shown in Figures 2 to 4, a blue light sterilization device 10 provided by the first preferred embodiment of the present invention is installed in an object 1. In this embodiment, the object 1 is a pacifier as an example, and the object 1 1 can be divided into a head 2 and a gripping part 3, the head 2 can transmit light for the baby to bite. The sterilization device 10 includes a power unit 20 , a circuit unit 30 and a light source 40 .

The power unit 20 is disposed at the connecting portion of the head 2 and the handle 3 to provide power sources required by other components. In this embodiment, the power unit 20 is a mercury battery as an example.

The circuit unit 30 is electrically connected to the power unit 20 and has a switch 32 . The switch 32 is a magnetic reed switch and operates in a magnetic induction mode for turning on/off the sterilizing device 10 . The circuit unit 30 can generate several periodic pulse signals, wherein the period of the pulse signal is 0.1s (second)˜0.33ms (millisecond). The cycle of the pulse signal can be divided into an active section 36 and a non-active section 38. The active section 36 of the pulse signal in each cycle is 0.2ms (milliseconds), and the power is 0.01J (joule) ~ 0.1J (joule) .

The light-emitting source 40 is a light-emitting diode. The light-emitting source 40 is electrically connected to the circuit unit 30 and can be driven by a pulse signal to emit a blue light. The wavelength range of the blue light is 450nm±25nm. The projection distance of the blue light is 1cm-10cm, and the blue light is better. The projection distance is 3cm-10cm, and the blue light can pass through the head 2 of the object 1 and be projected to the outside world.

With the above structure, when the light source 40 emits blue light in the active section 36 of each cycle, the irradiated part is sterilized. When the light source 40 is in the non-active section 38 of the cycle, no blue light is emitted, and there is no bactericidal effect during this period of time. In the disinfection process, the periodic active section 36 and the non-active section 38 form a pulsed light irradiation mode. For organisms, this kind of photostimulation mode can achieve better than the continuous irradiation mode. The purpose of stimulating cell regeneration can help wound healing if the irradiated site has a wound.

Therefore, the blue light sterilization device 10 of this embodiment can use the blue light with strong energy to carry out cold light sterilization through the above structure. In this embodiment, the power density is about 40mW/cm2, which has a good light sterilization effect. feature. In other words, compared with conventional devices, the utility model can not only achieve the purpose of definite sterilization, but also can shorten the irradiation time, which has the advantage of shorter irradiation time, so as to speed up the course of treatment. Furthermore, the utility model can carry out cold light sterilization in the form of pulsed light, and also has the characteristics of stimulating normal cell regeneration, which is helpful for the recovery of the wound site.

As shown in Figure 5 and Figure 6, it is a blue light sterilization device 12 provided by the second preferred embodiment of the present invention, which is installed on an object 4. In this embodiment, the object 4 is an oral irradiator as an example , the object 4 can be divided into a light-transmitting portion 5 and a holding portion 6 , and the sterilization device 12 includes a power unit 50 , a circuit unit 60 and a light source 70 .

The power unit 50 is disposed inside the grip portion 6 to provide the power source required by other components. In this embodiment, the power unit 50 is a mercury battery as an example.

The circuit unit 60 is electrically connected to the power unit 50 and has a microprocessor 61 and an input module 62. The microprocessor 61 is electrically connected to the power unit 50. The microprocessor 61 can generate several periodic pulse signals. The period of the pulse signal is It is 0.1s (second) ~ 0.33ms (millisecond). The cycle of the pulse signal can be divided into an active section and a non-active section. The active section of the pulse signal in each cycle is 0.2ms (milliseconds), and the power is 0.01J (joule) ~ 0.1J (joule). The input module 62 is a keyboard and is electrically connected to the microprocessor 61 for user operation. In this embodiment, the circuit unit 60 uses a microprocessor 61 to replace the conventional printed circuit board. The microprocessor 61 has the advantage of being programmable, allowing the user to set the adjustment pulse signal by operating the input module 62, and the pulse can be further set. The action area, power and irradiation time of the signal. Wherein, the setting range of the irradiation time of the blue light sterilization device 12 is suggested to be between 30 seconds and 300 seconds.

The light emitting source 70 is electrically connected to the circuit unit 60 and can be driven by a pulse signal to emit a blue light. The wavelength range of the blue light is 450nm±25nm, and the projection distance is 1cm-10cm. The preferred projection distance of the blue light is 3cm-10cm. The blue light can penetrate projected to the outside world through the light-transmitting portion 5 of the object 4 .

By adopting the above structure, the light emitting source 70 emits blue light in the action section of each cycle to sterilize the irradiated part. The light emitting source 70 does not emit blue light in the non-active section of each cycle, and has no bactericidal effect during this period of time. During the disinfection process, the active section and the non-active section of each cycle form the irradiation form of pulsed light. For organisms, this kind of photostimulation method is better than the continuous irradiation method, and the irradiation form of pulsed light can achieve stimulation. purpose of cell regeneration. If the irradiated part has a wound, it can help the wound heal. In addition, in this embodiment, the circuit unit 60 uses the microprocessor 61 to have the advantage of being programmable, allowing the user to set and adjust the pulse signal by operating the input module 62, and can further set the action zone, power and The irradiation time is convenient for use.

Therefore, the blue light sterilizing device 12 of this embodiment can also achieve the same effect as that of the first preferred embodiment, and provides another embodiment.

As shown in Figure 7, it is a blue light sterilization device 14 provided by the third preferred embodiment of the present invention, which is installed on an object 7. In this embodiment, the object 7 is a toothbrush as an example, and the object 7 can be distinguished It is a light-transmitting handle 8 and a brush set 9, and the light-transmitting handle 8 can allow light to pass through. The circuit structure of the sterilizing device 10 is substantially the same as that of the first embodiment, and also includes a power unit 80 , a circuit unit 90 and a light source 100 , which will not be described in detail here. Therefore, this embodiment allows the user to achieve the same bactericidal effect as that of the first preferred embodiment when brushing teeth, and provides different implementation forms.

As shown in Figure 8, it is a blue light sterilization device 16 provided by the fourth preferred embodiment of the present invention, which is installed on an object 110. In this embodiment, the object 110 is an example of a toothbrush holder, and the object 110 has A light-transmitting area 112 . The circuit structure of the sterilizing device 16 is substantially the same as that of the first embodiment, and also includes a power unit 120 , a circuit unit 130 and a light source 140 , which will not be described in detail here. Therefore, this embodiment can sterilize the toothbrush from the outside through the object 110 when the user places the toothbrush, which can achieve the same bactericidal effect as the first preferred embodiment, and provides different implementation forms.

To sum up, the blue light sterilization device provided by the utility model has the above-mentioned structure, which can use blue light with strong energy to carry out cold light sterilization, and has the characteristics of better light sterilization effect. In other words, compared with conventional devices, the utility model not only achieves the purpose of definite sterilization, but also shortens the irradiation time, which has the advantage of shorter irradiation time to speed up the course of treatment. Furthermore, the utility model can carry out cold light sterilization in the form of pulsed light, and also has the characteristics of stimulating normal cell regeneration, which is helpful for the recovery of the wound site.

The constituent components and method steps disclosed in the above-mentioned embodiments of the utility model are only for illustration and cannot be used to limit the scope of protection of the present application. The scope of patent protection of the present application should still be based on the scope of the claims. Substitution or change of other equivalent components or steps shall be included in the patent protection scope of the present utility model.

Claims (9)

1. A blue light sterilization device, which is installed on an object, is characterized in that it comprises: a power unit; a circuit unit, which is electrically connected to the power unit and generates several periodic pulse signals; A light emitting source, which is electrically connected to the circuit unit and driven by the pulse signal to emit a blue light, the wavelength range of the blue light is 450nm±25nm. 2. The blue light sterilization device according to claim 1, characterized in that: the period of the pulse signal is 0.1 second to 0.33 milliseconds. 3. The blue light sterilization device according to claim 1, characterized in that: the period of the pulse signal is divided into an active section and a non-active section, and the period of the pulse signal is 0.2 in the active section. milliseconds, the light emitting source emits the blue light in the active section, and does not emit the blue light in the non-active section. 4. The blue light sterilization device according to claim 1, characterized in that: the power of each of the pulse signals is 0.01 Joule-0.1 Joule. 5. The blue light sterilization device according to claim 1, characterized in that: the projection distance of the blue light is 1cm-10cm. 6. The blue light sterilization device according to claim 5, characterized in that: the projection distance of the blue light is 3cm-10cm. 7. The blue light sterilizing device according to claim 1, wherein the circuit unit further comprises an input module for setting the action zone, power and irradiation time of the pulse signal. 8. The blue light sterilization device according to claim 7, characterized in that: the irradiation time ranges from 30 seconds to 300 seconds. 9. The blue light sterilizing device according to claim 7, wherein the light emitting source is a light emitting diode.

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