TW202014054A - Active light emitting diode light source equipment - Google Patents

Abstract

An active light emitting diode light source treatment equipment is provided. The light source treatment equipment has a cavity, at least one light source module, at least one light detector, a feedback comparison module, and a driving module, wherein the light detector is configured to detect an illuminance of a light source, the feedback comparison module is configured to receive the illuminance detected by the light detector and compare the illuminance with a predetermined value to generate a comparison signal, and the driving module is configured to drive the light source module according to the comparison signal to adjust the illuminance of the light source illuminating a fluid.

Description

Active light-emitting diode light source processor

The invention relates to a light source processor, in particular to an active light-emitting diode light source processor.

The general light-emitting diode light processor system can provide ultraviolet light for disinfection and sterilization purposes. After a period of operation of the light emitting diode light processor, the naked eye cannot confirm whether the light source of the light emitting diode is still operating normally, especially the light source of the light emitting diode of invisible light (such as ultraviolet light), so most of them can only Replace the light source based on passive timing or based on experience. In addition, the light source of the light-emitting diode will cause light attenuation due to long-term operation. Therefore, manufacturers often design illuminances that exceed the demand, in order to respond to the light attenuation characteristics, the light source of the light-emitting diode often operates in a mode higher than the required illuminance , Generating waste of electrical energy. Nowadays, where energy conservation and environmental protection issues are highly valued, the traditional light-emitting diode light processor technology has gradually failed to meet the needs of users.

In addition, by calculating the usage time and estimating the usage status of the light source of the light emitting diode, the light source may be replaced early, causing environmental protection and cost problems. By detecting the operating voltage (constant current input) or operating current (constant voltage input) of the light-emitting diode to determine the health status of the light source of the light-emitting diode, it is still impossible to determine whether the actual light intensity inside the light-emitting diode light processor Still meet the demand.

Therefore, it is necessary to provide an improved active light-emitting diode light source processor to solve the problems in the conventional technology.

The main purpose of the present invention is to provide an active light-emitting diode light source processor that utilizes the design of a photodetector and a feedback comparison module so that the illuminance of the light source can be maintained at a predetermined value to avoid excessive illuminance of the light source Output to achieve energy saving effect, and the light intensity of the light source will not be too low, so that the light source can maintain the proper light processing efficiency.

To achieve the above purpose, the present invention provides an active light-emitting diode light source processor, including a cavity, at least one light source module, at least one photodetector, a feedback comparison module, and a driving module; the cavity The body is formed with a cavity configured for a fluid to pass through; the light source module is disposed in the cavity and configured to irradiate a light source to the fluid, wherein the light source provides an illuminance to the fluid; the light The detector is configured to detect the light intensity of the light source; the feedback comparison module is electrically connected to the light detector, and the feedback comparison module is configured to receive the light intensity detected by the light detector and compare it with a predetermined value , And then generate a comparison signal; the drive module is electrically connected to the feedback comparison module and the light source module, the drive module is configured to receive the comparison signal, and drive the light source module to actively adjust according to the comparison signal The illuminance of the light source illuminating the fluid.

In one embodiment of the present invention, the cavity further has a detection window configured to block the fluid in the cavity and allow the light source to pass through.

In an embodiment of the invention, the light detector is disposed outside the cavity and faces the detection window.

In an embodiment of the invention, the light source module has a circuit board and a plurality of light-emitting diodes, and the light-emitting diodes are arranged on the circuit board.

In one embodiment of the present invention, the light emitting diodes can emit visible light or ultraviolet light.

In an embodiment of the invention, the light emitting diodes are arranged along a center line of the chamber.

In an embodiment of the invention, the active light-emitting diode light source processor further has a status display, the status display is configured to display the light intensity data.

In one embodiment of the present invention, the light source module is disposed on a first inner side wall of the cavity, and the photodetector is disposed on a second inner side wall facing the first inner side wall.

In one embodiment of the present invention, the active light-emitting diode light source processor further includes a substrate, the substrate is coated with a layer of photocurable glue, and the substrate is disposed on the second inner side wall.

In one embodiment of the present invention, the active light-emitting diode light source processor further includes a fan and a filter screen, the fan and the filter screen are disposed on the cavity and configured to introduce the fluid into the cavity And filter.

As described above, the active light-emitting diode light source processor of the present invention detects the light intensity of the light source of the light source module through the light detector, and the feedback comparison module actively adjusts the driving current of the light source module correspondingly so that the The illuminance of the light source may be maintained at a predetermined value to avoid excessive output of the illuminance of the light source, so as to achieve energy saving effects, and at the same time, the illuminance of the light source is not too low, so that the light source can maintain its proper light processing performance.

2‧‧‧cavity

20‧‧‧ chamber

21‧‧‧ Entrance

22‧‧‧Exit

23‧‧‧ detection window

24‧‧‧First inner wall

25‧‧‧Second inner side wall

26‧‧‧Quartz glass

3‧‧‧Light source module

31‧‧‧ circuit board

32‧‧‧ LED

4‧‧‧Photodetector

5‧‧‧ Feedback comparison module

6‧‧‧Drive module

7‧‧‧ Status display

81‧‧‧ substrate

82‧‧‧Light curing adhesive

91‧‧‧Fan

92‧‧‧Filter

FIG. 1 is a schematic diagram of a first preferred embodiment of an active light-emitting diode light source processor according to the present invention.

FIG. 2 is a schematic diagram of a second preferred embodiment of the active LED light source processor according to the present invention.

FIG. 3 is a schematic diagram of a third preferred embodiment of the active LED light source processor according to the present invention.

FIG. 4 is a schematic diagram of a fourth preferred embodiment of the active LED light source processor according to the present invention.

In order to make the above and other objects, features, and advantages of the present invention more comprehensible, the preferred embodiments of the present invention will be specifically described below in conjunction with the accompanying drawings, which will be described in detail below. Furthermore, the terms of direction mentioned in the present invention, such as up, down, top, bottom, front, back, left, right, inner, outer, side, surrounding, center, horizontal, horizontal, vertical, longitudinal, axial, The radial direction, the uppermost layer or the lowermost layer, etc., are only the directions in which the reference objects are generally placed. Therefore, the directional terminology is used to illustrate and understand the present invention, not to limit the present invention.

Please refer to FIG. 1, which is a first preferred embodiment of the active light emitting diode light source processor of the present invention. In this embodiment, the active light emitting diode light source processor is used in water sterilization In the light processing of UVC ultraviolet light-emitting diodes, the active light-emitting diode light source processor includes a cavity 2, at least one light source module 3, a photodetector 4, a feedback comparison module 5, a Drive module 6 and a status display 7. The present invention will explain in detail the detailed structure, assembly relationship and operation principle of each element below.

Please refer to FIG. 1, the cavity 2 is formed with a chamber 20 configured for a fluid to pass through; in this embodiment, the water to be sterilized passes through an inlet end 21 of the cavity 2 Flows into the chamber 20 (as indicated by the arrow) and flows out from the other outlet end 22 (as indicated by the arrow), and the inlet end 21 and the outlet end 22 are provided on the same side of the chamber 2, in addition, A flow control valve or a flow meter (not shown) may be provided in front of the inlet end 21 to control the flow of water. The cavity 2 further has a detection window 23 configured to block the fluid in the chamber 20 and allow the light source to pass through.

With continued reference to FIG. 1, the light source module 3 is disposed in the chamber 20, and the light source module 3 is configured to irradiate a light source to the fluid, wherein the light source provides an illuminance to the fluid, further The light source module 3 has a circuit board 31 and a plurality of light emitting diodes 32, the light emitting diodes 32 are arranged on the circuit board 31, and the light emitting diodes 32 can emit visible light or ultraviolet light. In this embodiment, the light source module 3 is disposed in a quartz tube (as shown by the dotted line in FIG. 1), and the light emitting diodes 32 in the UVC ultraviolet band and the circuit board 31 are configured, wherein the The light emitting diodes 32 are arranged along a center line of the chamber 20.

With continued reference to FIG. 1, the photodetector 4 is disposed outside the cavity 2 and faces the detection window 23, wherein the photodetector 4 is configured to detect the illuminance of the light source. In this embodiment, the light source emitted by the light source module 3 is irradiated on the light detector 4 through the detection window 23, so that the light detector 4 can detect the illuminance of the light source.

With continued reference to FIG. 1, the feedback comparison module 5 is electrically connected to the photodetector 4, wherein the feedback comparison module 5 is configured to receive the illuminance detected by the photodetector 4 and has a predetermined value Compare to generate a comparison signal.

With continued reference to FIG. 1, the drive module 6 is electrically connected to the feedback comparison module 5 and the light source module 3, wherein the drive module 6 is configured to receive the comparison signal and drive the comparison signal according to the comparison signal The light source module 3 actively adjusts the illuminance of the light source irradiating the fluid. In this embodiment, the photodetector 4 detects the illuminance of the light emitting diodes 32 irradiated on the detection window 23 through the detection window 23, and controls the driving module 6 to provide the feedback to the drive module 6 through the feedback comparison module 5 The current of the light source module 3 is used to sterilize the water in the cavity 2.

With continued reference to FIG. 1, the status display 7 is configured to display the illuminance and other data, for example, the current provided by the driving module 6 to the light source module 3 and the predetermined value compared with the illuminance. In addition, the status display 7 may also be a light or a display, configured to remind the user of the operation message.

According to the above structure, if the illuminance detected by the photodetector 4 is higher than the predetermined value, the driving current of the light-emitting diodes 32 is reduced to reduce the illuminance of the light source irradiated on the fluid. Conversely, if When the illuminance detected by the photodetector 4 is lower than the predetermined value, the driving current of the light-emitting diodes 32 is increased to increase the illuminance of the light source illuminating the fluid until the illuminance meets the demand. If the driving current of the light-emitting diodes 32 is continuously increased by more than 1.5 times the rated current or the detection temperature of the circuit board 31 exceeds a set value, the output of the drive current to the light-emitting diodes 32 is stopped and passed through the The status display 7 reminds the user that the LEDs 32 need to be replaced or repaired. It should be noted that, according to the NSF/ANSI 55 ultraviolet microbiological specifications established by the US National Sanitation Foundation and the US National Standards Institute, the cumulative radiant energy required for tap water treatment generally needs to be greater than 16mJ/cm ² .

As described above, the active LED light source processor of the present invention detects the light intensity of the light source of the light source module 3 through the light detector 4, and the feedback comparison module 5 actively adjusts the driving of the light source module 3 correspondingly Current, so that the illuminance of the light source can be maintained at a predetermined value, to avoid excessive output of the illuminance of the light source, to achieve energy saving effects, and the illuminance of the light source is not too low, so that the light source maintains its due light processing performance .

Please refer to FIG. 2, a second preferred embodiment of the active light emitting diode light source processor of the present invention, and the same component names and drawing numbers of the first preferred embodiment are generally used, but the two The difference is that in this embodiment, the active light-emitting diode light source processor is applied to the light treatment of water-emitting UV ultraviolet light-emitting diodes (for example: industrial wastewater), in which the cavity 2 The inlet end 21 and the outlet end 22 are located on opposite sides, and the light source module 3 is disposed on a first inner side wall 24 of the cavity 2, and the photodetector 4 is disposed opposite to the first inner side wall 24 On a second inner side wall 25, and the other light source module 3 of the active light-emitting diode light source processor is disposed on the second inner side wall 25 of the cavity 2, and the other light detector 4 is disposed On the first inner side wall 24, the first inner side wall 24 and the second inner side wall 25 are further covered with a layer of quartz glass 26 to prevent contact with industrial wastewater.

According to the above-mentioned structure, the photodetector 4 is located in the cavity 2 and is covered with quartz glass 26 for detecting the illuminance of the light source of the light source module 3 irradiated on the fluid by the light emitting diode 32 and passing through the The feedback comparison module 5 controls the current provided by the driving module 6 to the light-emitting diodes 32 to actively adjust the light intensity of the light source, thereby effectively decomposing organic substances in industrial wastewater to achieve the prescribed emission standards. It should be noted that, according to the NSF/ANSI 55 ultraviolet microbial regulations established by the National Sanitation Foundation and the American National Standards Institute, the cumulative radiant energy required for wastewater treatment needs to be greater than 40 mJ/cm ² .

As described above, the active LED light source processor of the present invention detects the light intensity of the light source of the light source module 3 through the light detector 4, and the feedback comparison module 5 actively adjusts the driving of the light source module 3 correspondingly Current, so that the illuminance of the light source can be maintained at a predetermined value, to avoid excessive output of the illuminance of the light source, to achieve energy saving effects, and the illuminance of the light source is not too low, so that the light source maintains its due light processing performance .

Please refer to FIG. 3, a third preferred embodiment of the active light-emitting diode light source processor of the present invention, and roughly the same device names and drawing numbers of the first preferred embodiment are used, but between the two The difference is that in this embodiment, the active light-emitting diode light source processor is applied to the light treatment of light-emitting diodes cured by UV ultraviolet glue, wherein the light source module 3 is disposed in the cavity 2 On a first inner side wall 24, the photodetector 4 is disposed on a second inner side wall 25 facing the first inner side wall 24. In addition, the active light emitting diode light source processor further includes a substrate 81. The substrate 81 is coated with a layer of photocurable glue 82, and the substrate 81 is disposed on the second inner side wall 25.

According to the above structure, the photodetector 4 is located within the illumination range of the light emitting diodes 32 of the light source module 3 for detecting the illuminance of the light sources of the light emitting diodes 32 and controlled by the feedback comparison module 5 The driving module provides the current of the light-emitting diodes 32 to actively adjust the illuminance of the light source, so that the photocurable glue 82 on the substrate 81 can be effectively irradiated by the light-emitting diodes 32 to reach the colloid Fast curing effect.

As described above, the active LED light source processor of the present invention detects the light intensity of the light source of the light source module 3 through the light detector 4, and the feedback comparison module 5 actively adjusts the driving of the light source module 3 correspondingly Current, so that the illuminance of the light source can be maintained at a predetermined value, to avoid excessive output of the illuminance of the light source, to achieve energy saving effects, and the illuminance of the light source is not too low, so that the light source maintains its due light processing performance .

Please refer to FIG. 4, a fourth preferred embodiment of the active light emitting diode light source processor of the present invention, and roughly the same device names and drawing numbers of the first preferred embodiment are used, but between the two The difference is that in this embodiment, the active light-emitting diode light source processor is applied to the light processing of air-filtered sterilized light-emitting diodes, wherein the active light-emitting diode light source processor further includes A fan 91 and a filter screen 92, the fan 91 and the filter screen 92 are disposed on the two chambers, and are configured to introduce the fluid (for example, air) into the chamber 20 and filter, and then filter Air output, wherein the two inlet ends 21 of the cavity 2 are located at the bottom, and one outlet end 22 is located at the top, and the fan 91 and the filter 92 are provided at the inlet ends 21, which can perform air dust filtration and extraction, respectively. Then, the air flowing through the chamber 20 is irradiated through the light-emitting diodes 32 to achieve a sterilization effect.

As described above, the active LED light source processor of the present invention detects the light intensity of the light source of the light source module 3 through the light detector 4, and the feedback comparison module 5 actively adjusts the driving of the light source module 3 correspondingly Current, so that the illuminance of the light source can be maintained at a predetermined value, to avoid excessive output of the illuminance of the light source, to achieve energy-saving effects, and the illuminance of the light source is not too low, so that the light source maintains its due light processing performance .

Although the present invention has been disclosed in preferred embodiments, it is not intended to limit the present invention. Anyone who is familiar with this skill can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the present invention The scope of protection shall be as defined in the scope of the attached patent application.

2‧‧‧cavity

20‧‧‧ chamber

21‧‧‧ Entrance

22‧‧‧Exit

23‧‧‧ detection window

3‧‧‧Light source module

31‧‧‧ circuit board

32‧‧‧ LED

4‧‧‧Photodetector

5‧‧‧ Feedback comparison module

6‧‧‧Drive module

7‧‧‧ Status display

Claims (10)

An active light-emitting diode light source processor includes: a cavity formed with a cavity configured to pass a fluid; at least one light source module, the light source module is disposed in the cavity, and It is configured to irradiate a light source to the fluid, wherein the light source provides an illuminance to the fluid; at least one light detector is configured to detect the illuminance of the light source; a feedback comparison module is electrically connected to the light detector, The feedback comparison module is configured to receive the illuminance detected by the photodetector and compare it with a predetermined value to generate a comparison signal; and a drive module electrically connected to the feedback comparison module and the light source module Group, the driving module is configured to receive the comparison signal, and drive the light source module according to the comparison signal to actively adjust the light intensity of the light source illuminating the fluid. The active light emitting diode light source processor as described in item 1 of the patent application scope, wherein the cavity further has a detection window configured to block the fluid in the cavity and allow the light source to pass through. An active light-emitting diode light source processor as described in item 2 of the patent application scope, wherein the light detector is disposed outside the cavity and faces the detection window. An active light emitting diode light source processor as described in item 1 of the patent application scope, wherein the light source module has a circuit board and a plurality of light emitting diodes, and the light emitting diodes are arranged on the circuit board. The active light emitting diode light source processor as described in item 4 of the patent application scope, wherein the light emitting diodes can emit visible light or ultraviolet light. The active light-emitting diode light source processor as described in item 5 of the patent application scope, wherein the light-emitting diodes are arranged along a center line of the chamber. The active light-emitting diode light source processor as described in item 1 of the patent application scope, wherein the active light-emitting diode light source processor further has a status display configured to display the light intensity data. The active light emitting diode light source processor as described in item 1 of the patent application scope, wherein the light source module is disposed on a first inner side wall of the cavity, and the light detector is disposed on the first inner side wall Facing a second inner side wall. The active light-emitting diode light source processor as described in item 8 of the patent application scope further includes a substrate coated with a layer of photocurable glue, and the substrate is disposed on the second inner side wall. The active light-emitting diode light source processor as described in item 1 of the patent application scope, further includes a fan and a filter screen, the fan and the filter screen are disposed on the cavity and configured to introduce the fluid into the And filter in the chamber.

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