CN106145244B - Ultraviolet water purification and sterilization module device and control method thereof - Google Patents
Ultraviolet water purification and sterilization module device and control method thereof Download PDFInfo
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- CN106145244B CN106145244B CN201510200663.2A CN201510200663A CN106145244B CN 106145244 B CN106145244 B CN 106145244B CN 201510200663 A CN201510200663 A CN 201510200663A CN 106145244 B CN106145244 B CN 106145244B
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Abstract
The invention relates to an ultraviolet water purification and sterilization module device and a control method thereof, comprising a device body, a water purification and sterilization module device and a control device, wherein the device body is provided with a first seat cover and a second seat cover, and a flow passage penetrates through the first and second seat covers; an irradiation part connected between the first and second seat sleeves of the device body, and a metal reaction shell is arranged in the flow channel; a germicidal lamp group, which is arranged in the metal reaction shell; a water flow pressure sensing switch connected in series with the second seat cover of the device body; a circuit controller, further comprising a driving stabilizer, electrically connected to the germicidal lamp set and the water flow pressure sensing switch, for controlling the irradiation of the germicidal lamp set by sensing whether water flows through the flow passage and turning off the germicidal lamp set by circulating start; therefore, the integrated modularized single machine is more convenient to install, can enable the outlet water to still maintain the original inlet water temperature, has the best effects of energy conservation and sterilization, has autonomous detection indication, can automatically warn when the sterilizing lamp set fails and reaches the accumulated use time, and can be easily maintained.
Description
Technical Field
The invention relates to a water purifying device, in particular to a module device for sterilizing filtered water by ultraviolet irradiation.
Background
The tap water is often mixed with gravel, heavy metals, pesticides, bacteria and the like, and the water purifier is the choice of most families for maintaining the safety of drinking water. The water purifier is additionally provided with a physical characteristic of ultraviolet rays, and the ultraviolet rays are used for disinfecting drinking water and sterilizing ultraviolet lamp tube light rays, so that photochemical reaction can be generated between the ultraviolet rays and microorganisms instantly, the microorganisms can die immediately or lose the capability of continuing survival and reproduction, and the ultraviolet rays have the environmental protection characteristic and can replace other chemical disinfectants without forming toxic byproducts to cause negative health effects. Thereby sterilizing and disinfecting the filtered water to improve the safety of drinking water.
As shown in fig. 9, the conventional uv germicidal lamp set 9 is usually installed at the last stage of the conventional water purifier 8 to sterilize the filtered water so as to maintain the safety of the drinking water of the user; the conventional uv germicidal lamp set 9, as shown in fig. 10, includes an outer housing 91, a cover 92 covering an uv lamp tube 93, a power cord 94 extending from the uv lamp tube 93 and including a driving stabilizer 941, the outer housing 91 has a water inlet 911 and a water outlet 912, and filtered water enters the outer housing 91 through the water inlet 911, is irradiated by the uv lamp tube 93 to sterilize and disinfect the filtered water, and finally flows out from the water outlet 912 for drinking. In addition, the conventional UV lamp set 9 also has the same configuration as that shown in FIG. 11, in which an inner filtered water flow channel is wound around a UV lamp tube, so that the UV lamp tube can irradiate the filtered water.
However, when the conventional water purifier 8 is not used (i.e. not discharged), the filtered water inside the conventional ultraviolet lamp set 9 is still and can bear the long-term over-irradiation of the ultraviolet lamp 93, so that the temperature of the filtered water is increased, which causes the temperature of the filtered water in the conventional water purifier 8 to be too high when water is discharged, which causes discomfort in use, wastes power, and shortens the service life of the conventional ultraviolet germicidal lamp set 9.
Moreover, the outer shell 91 of the existing uv lamp set 9, the water inlet 911, the water outlet 912, the cover 92, etc. are all made of metal material and welded 913 at multiple locations, and the cover 92 must be made with an external thread 921, so the existing uv lamp set 9 has high material cost and difficult manufacturing process, and the existing uv lamp set 9 has high cost; the existing ultraviolet lamp set 9 does not have any function of using an accumulated timing device and a fault warning device for the ultraviolet lamp, is not easy to maintain, and often allows consumers to drink the non-sterilized filtered water by mistake. Therefore, the existing water purifiers often have the defects and have room for improvement.
Disclosure of Invention
In view of the disadvantages of the water purifier using the above-mentioned ultraviolet lamp set 9, such as too high temperature of the outlet water, energy waste, high cost, difficulty in maintenance and warning, and short service life of the existing ultraviolet lamp set 9, the inventor further improves the technology. The main purpose of the present invention is to develop an integrated ultraviolet water purification and sterilization device, wherein the power driving stabilizer is integrated inside the logic circuit controller, and the integrated ultraviolet water purification and sterilization device is modularized, simplified and intelligentized, so as to facilitate the installation of the water purifier and provide the water purifier with proper ultraviolet lamp irradiation, further save energy, prolong the service life of the ultraviolet lamp, generate substantial environmental protection benefit and achieve the effect of sterilization and disinfection; the secondary purpose of the invention is to provide the purpose of automatically warning the fault and the service life of the ultraviolet lamp so as to ensure that the outlet water of the water purifier is still at the original inlet water temperature; it is a further object of the present invention to provide a better manufacturing structure and process that reduces the manufacturing cost and benefits the health of more users.
Therefore, the technical means of the invention to achieve the above object is that an ultraviolet water purification and sterilization module device comprises a device body, a water purification and sterilization module body and a water purification and sterilization module body, wherein the device body is provided with a large accommodating space and a small accommodating space, the front part and the back part of the large accommodating space are provided with a first seat cover and a second seat cover, and a flow passage is arranged between the first seat cover and the second seat cover; the irradiation part is connected between the first seat cover and the second seat cover of the large accommodating space of the device body; a germicidal lamp group arranged in the irradiation part; a water flow pressure sensing switch connected in series with the flow channel at the second seat sleeve of the device body; and a circuit controller, which is arranged in the small containing space and contains a driving stabilizer and is electrically connected with the sterilizing lamp set and the water flow pressure sensing switch; the water flow through the flow passage flows statically (no water is fed) within a preset time to cut off the irradiation of the sterilizing lamp set, so that the sterilizing lamp set can avoid the waste of power supply caused by long-term and over-irradiation of filtered water, and the effect that the highest water outlet of the water purifier is still at the original water feeding temperature is achieved.
The water flow pressure sensing switch further comprises a piston body, a spring and a magnetic reed switch, the flow channel is provided with an accommodating space, the accommodating space can be filled with the pressure sensing switch, the piston body is connected to the front end of the spring, so that the piston body can block a blocking hole arranged in the flow channel, the magnetic reed switch is composed of two magnetic bodies, one magnetic body is arranged in the piston body, and the other magnetic body is arranged on the inner wall of the flow channel. The sterilizing lamp set is turned off within a preset time by controlling the filtered water in the flow passage not to flow (no water is fed), so that the service life of the sterilizing lamp set is prolonged.
The device body is formed by combining a first shell and a second shell through a combining piece, the first shell and the second shell are combined to form the large accommodating space and the small accommodating space, and the circuit controller can be installed in the small accommodating space. The driving stabilizer is integrated in the circuit controller, so that the device is modularized and simplified.
The irradiation part further comprises a first bearing body, a metal reaction tube shell and a second bearing body, wherein the first bearing body and the second bearing body are respectively connected with two ends of the metal reaction tube shell, the germicidal lamp group is arranged inside the irradiation part, and the metal reaction tube shell is made of metal materials, so that the invention has the effects of reducing material cost, being easy to manufacture and prolonging the service life of the metal reaction tube shell.
The irradiation part further comprises a first support body, a metal reaction shell and a second support body, wherein the first support body and the second support body are respectively connected with two end sides of the metal reaction shell, the germicidal lamp group is arranged inside the irradiation part, and the metal reaction shell is made of metal materials, so that the invention has the effects of reducing material cost, being easy to manufacture and prolonging the service life of the metal reaction shell. In addition, the device body is provided with a light guide window and extends into the metal reaction shell, so that whether the function of the sterilizing lamp set is normal or not can be observed by naked eyes.
In addition, an ultraviolet water purification and sterilization module method comprises an irradiation part building step of connecting an irradiation part with a first seat cover and a second seat cover of a device body; a step of setting a germicidal lamp set, in which a germicidal lamp set is set in the irradiation part; a step of building a water flow pressure sensing switch, wherein the water flow pressure sensing switch is connected in series with a flow channel at the second seat sleeve of the device body; a circuit controller building step, including a circuit controller for driving a stabilizer and electrically connecting the germicidal lamp set and the water flow pressure sensing switch, wherein the water flow passing through the flow channel is accumulated and stopped (no water is fed) for a preset time (for example, two minutes) to cut off the irradiation of the germicidal lamp set; and a timing step of the germicidal lamp group, the circuit controller further comprises an accumulative timer, so that the circuit controller can perform accumulative timing on the irradiation of the ultraviolet lamp tube 32 of the germicidal lamp group to calculate the service life of the ultraviolet lamp tube 32. By the above steps, the sterilizing lamp set can be prevented from excessively irradiating the filtered water of the water purifier for a long time to waste the power supply, so that the water outlet of the water purifier is still at the original water inlet temperature, and the power supply can be saved; in addition, the number of hours of use of the germicidal lamp set can be cumulatively counted for reference to replace the old one with new one to maintain the sterilizing performance of the water purifier.
In the step of establishing the circuit controller, after the water flow in the flow channel is static (no water is fed) and accumulated for more than a preset time (for example, 30 minutes), the irradiation of the germicidal lamp set is started again, and after the water flow is irradiated for a preset time (for example, three minutes), the irradiation of the germicidal lamp set is cut off, and the operation is circulated. Can avoid the water purifier to kill the bacteria grown in the static filtered water in the flow passage under the condition of no water output for a long time.
The circuit controller is further provided with a warning device which can warn the fault and the service life of the ultraviolet lamp tube in an LED lamp or/and buzzer mode, so that the ultraviolet sterilizing lamp set 30 can always maintain the optimal state, and can prevent too many thalli from being attached to the surface of the quartz tube of the sterilizing lamp set, thereby preventing the ultraviolet radiation of the ultraviolet lamp tube from penetrating and irradiating to reduce the sterilizing effect of the ultraviolet lamp tube.
Drawings
Fig. 1 is a perspective view of the ultraviolet water purification and sterilization module device of the present invention.
Fig. 2 is a three-dimensional exploded view of the ultraviolet water purification and sterilization module device of the present invention.
Fig. 3 is a sectional view of the ultraviolet water purification and sterilization module device of the present invention.
Fig. 4 is a schematic diagram of the enlarged partial view of fig. 3 and the operation of the water flow pressure sensing switch according to the present invention.
Fig. 5 is an implementation of the present invention installed in a water purifier.
Fig. 6 is a partial sectional view of another embodiment of the ultraviolet water purification and sterilization module device of the present invention.
Fig. 7 is an exploded perspective view of the embodiment of fig. 7.
Fig. 8 is a control flow chart of the ultraviolet water purification and sterilization module device of the present invention.
Fig. 9 is a plan external view of a conventional water purifier.
Fig. 10 is a sectional view of a conventional uv germicidal lamp set.
Fig. 11 is a cross-sectional view of another conventional uv germicidal lamp assembly.
Description of reference numerals: 1. 1 a-an ultraviolet water purification and sterilization module device; 10-the device body; 10 a: a large accommodating space; 11-at the first seat cover; 12-a second seat cover; 13-a first housing; 14-a second housing; 15-small accommodating space; 16-a bonding element; 17-a light guide viewing window; 18-side cover; 19-a flow channel; 20. 20 a-a flow channel; 201-blocking the pore; 21. 21 a-a first bearing body; 22-metal reaction shell; 22 a-metal reactor tube housing; 23. 23 a-a second socket body; 30-ultraviolet germicidal lamp group; 31-a quartz tube; 32-ultraviolet lamp; 321-a lamp holder pull rod; 40-water flow pressure sensing switch; 41-a piston body; 42-a spring; 43-reed switch; 50-a circuit controller; 6, a water purifier; 8-existing water purifiers; 9-existing ultraviolet germicidal lamp group; 91-outer shell; 911-water inlet; 912-water outlet; 913-welding; 92-a cover; 921-external thread; 93-ultraviolet lamp; 94-power supply line; 941 drive stabilizer.
Detailed Description
The present invention relates to an ultraviolet water purification and sterilization module device and a control method thereof, wherein the ultraviolet water purification and sterilization module device 1, as shown in fig. 1 to 3, further comprises a device body 10, an irradiation part 20, a germicidal lamp set 30, a water flow pressure sensing switch 40 and a circuit controller 50; wherein the content of the first and second substances,
the device body 10 is provided with a large accommodating space 10a and a small accommodating space 15, the front and the back of the large accommodating space 10a are provided with a first seat cover 11 and a second seat cover 12, and a flow passage 19 is penetrated through the first seat cover 11 and the second seat cover 12; the device body 10 is formed by combining a first housing 13 and a second housing 14 through a combining member 16, usually the combining member 16 is a screw, and then the first housing 13 and the second housing 14 are combined to form a large accommodating space 10a and a small accommodating space 15, the large accommodating space 10a is installed with the irradiation part 20, the germicidal lamp set 30, the flow channel 19, etc., and the small accommodating space 15 is installed with the circuit controller 50, so that the device of the present invention is modularized. Further, the device body 10 is provided with a light guide window 17, and the light guide window 17 extends into the irradiation portion 20, so as to facilitate the ultraviolet light from the germicidal lamp assembly 30 to be guided and projected from the light guide window 17, so that the user can observe the operation condition of the germicidal lamp assembly 30 through the viewing window 17.
The irradiation part 20 is connected to the first seat 11 and the second seat 12 of the device body 10 as shown in fig. 2 and 3, and the irradiation part 20 covers the flow channel 19; the irradiation part 20 further includes a first support body 21, a metal reaction housing 22 and a second support body 23, which are matched with a quartz tube 31 disposed on the germicidal lamp assembly 30, wherein the first support body 21 and the second support body 23 are respectively disposed at two end sides of the metal reaction housing 22, and the quartz tube 31 is made of transparent quartz material. The ultraviolet lamps 32 of the germicidal lamp group 30 are two and are respectively installed on two sides of the quartz tube 31 of the metal reaction housing 22. Furthermore, the metal reaction housing 22 is made of metal material, so that the present invention has the advantages of reducing material cost, easy manufacturing and prolonging the service life of the metal reaction housing 22. Particularly, the irradiation part 20a may also include a first support body 21a, a metal reaction tube housing 22a and a second support body 23a matched with the quartz tube 31 located in the flow channel 19, as shown in fig. 6 and 7, and the first support body 21a and the second support body 22a are respectively connected to two ends of the metal reaction tube housing 22a, the ultraviolet lamp 32 of the germicidal lamp set 30 is disposed inside the quartz tube 31, and the metal reaction tube housing 22a is made of metal material, so that the present invention has the advantages of reducing material cost, easy manufacturing and prolonging the service life of the metal reaction housing 22.
The germicidal lamp assembly 30 is disposed in the irradiation portion 20, and the germicidal lamp assembly 30 is generally disposed by the ultraviolet lamp 32 at a side of the quartz tube 31 (see fig. 3). Or the quartz tube 31 covers the ultraviolet lamp tube 32 (see fig. 6). The operation of the ultraviolet lamp 32 is controlled by the circuit controller 50. Particularly, as shown in fig. 3 and 6, a pull rod 321 is extended from the head end of the ultraviolet lamp 32, and the device body 10 is provided with a side cover 18 corresponding to the pull rod of the ultraviolet lamp 32, so as to facilitate the replacement and maintenance of the ultraviolet lamp 32.
The water flow pressure sensing switch 40 is connected in series to the irradiation parts 20, 20a of the first seat 11 of the device body 10. Wherein the water flow pressure sensing switch 40 is disposed in the second bearing block 23 (see fig. 3). Alternatively, the water pressure sensing switch 40 is connected in series to the irradiation part 20a in the second seat 12 of the device body 10 (see fig. 6). Further, the water flow pressure sensing switch 40 further includes a piston body 41, a spring 42 and a reed switch 43; wherein, the piston body 41 is designed to be conical and is provided with a magnetic body therein, and the other magnetic body of the reed switch 43 is arranged in the pipe wall of the irradiation part 20, 20a, when the water purifier 6 is discharged, the flowing filtered water on the piston body 41 flows into a blocking hole 201 arranged on the irradiation part 20, 20a, and when the piston body 41 is pushed to move backwards, as shown in fig. 4, the two magnetic bodies of the water flow pressure sensing switch 40 are induced to each other, thereby conducting and starting the sterilizing lamp set 30; when the water purifier 6 stops discharging water, the spring 42 pushes the piston body 41 forward to block the blocking hole 201 of the irradiation part 20, 20a when the filtered water is in a static state. In particular, other types of pressure switches may be used in place of the water flow pressure sensing switch 40. And
the circuit controller 50 includes a driving stabilizer and is electrically connected to the germicidal lamp assembly 30 and the water pressure sensing switch 40, and cuts off the irradiation of the germicidal lamp assembly 30 by sensing the static flow (no water inflow) of the water in the flow passage 19 within a predetermined time. Usually, the circuit controller 50 further has a power indication LED lamp, an ultraviolet lamp tube service life warning LED lamp, an ultraviolet lamp tube failure warning LED lamp, and the like. Specifically, the circuit controller 50 may be configured as a microcomputer control, a programmable control, or other control.
The ultraviolet water purification and sterilization module device 1 of the present invention is composed of the above components, and is connected in series to the water purifier 6 as shown in fig. 5 when in use, so as to perform ultraviolet lamp irradiation sterilization and disinfection on the filtered water. The present invention is mainly characterized in that the water flow pressure sensing switch 40 is connected in series to the front ends of the irradiation parts 20, 20a of the second seat 12 of the device body 10, and when the filtered water flow of the water purifier 6 flows into the water flow pressure sensing switch 40, the operation of the ultraviolet lamp 32 of the germicidal lamp group 30 is controlled by the water flow in the flow channel 19 of the irradiation parts 20, 20 a.
In addition, the metal reaction shell 22 of the present invention can prevent the ultraviolet germicidal lamp group 30 from penetrating the inner wall of the metal reaction shell 22, so as to prolong the service life of the metal reaction shell 22 and facilitate molding; in addition, the present invention provides a power driving stabilizer integrated inside the circuit controller 50, so as to be modularized, thereby facilitating the installation and maintenance of the water purifier 6.
Particularly, the circuit controller 50 of the present invention may be added with a bluetooth wireless transmitting/receiving device, so as to form an internet of things with other household electrical appliances and mobile communication devices.
Referring to fig. 3 and 8, the present invention relates to a control method of an ultraviolet water purification and sterilization module device, comprising an irradiation part establishing step of connecting an irradiation part 20, 20a to a first seat cover 11 and a second seat cover 12 of a device body 10, and establishing a flow channel 19 penetrating the first seat cover 11 and the second seat cover 12; a germicidal lamp set building step, in which a germicidal lamp set 30 is installed in the irradiation part 20; a step of building a water flow pressure sensing switch, wherein a water flow pressure sensing switch 40 is connected in series with a flow channel at the second seat sleeve 11 of the device body 10; a circuit controller 40 establishing step of including a circuit controller 50 for driving a ballast and electrically connecting the germicidal lamp group 30 and the water flow pressure sensing switch 40, and cutting off the irradiation of the germicidal lamp group 30 after the water flow passing through the irradiation part 20 is stationary (no water is fed) for a predetermined time; and a germicidal lamp group timing step, wherein the circuit controller 50 further comprises an accumulation timer, so that the circuit controller 50 can perform accumulation timing on the irradiation of the ultraviolet lamp 32 of the germicidal lamp group 30 to calculate the service life of the ultraviolet lamp 32.
With the control method of the present invention, for example, the water purifier 6 starts the ultraviolet lamp 32 to irradiate the flowing filtered water when the water is discharged. When the water purifier 6 stops discharging water, the ultraviolet lamp 32 will still irradiate the static filtered water in the irradiation part 20 for a predetermined time (for example, two minutes) and then turn off, so as to avoid long-term over-irradiation of the non-flowing filtered water, so that the discharged water of the water purifier 6 is still at the original inlet water temperature, and save energy. In addition, after the filtered water in the irradiation part 20 is still (no water is fed) for more than a predetermined time (e.g., 30 minutes), the circuit controller 50 starts the irradiation of the germicidal lamp set 30 again, and cuts off the irradiation of the germicidal lamp set 30 after the filtered water is irradiated for a predetermined time (e.g., three minutes), so that the water purifier can be operated in a circulating manner to prevent the bacteria generated by the still filtered water in the irradiation part 20 from being killed under the condition that the water is not fed for a long time.
The circuit controller 50 further comprises a warning device, and if the service life of the ultraviolet lamp 32 is reached, the user is warned by the service life LED lamp and the buzzer, so as to remind the user to replace the new ultraviolet lamp. If the accumulation timer is not accumulated for a long time, the ultraviolet lamp tube 32 is detected to be in a failure state, and at the moment, a failure LED lamp and a buzzer are used for warning so as to remind the user to replace the new ultraviolet lamp tube; in addition, the circuit controller 50 may be provided with a reset key, and the reset key may reset the accumulated time of the timer and the buzzer to the original state.
Claims (4)
1. The utility model provides an ultraviolet ray water purification sterilization module device which characterized in that contains:
the device body is formed by combining a first shell and a second shell through a combining piece; the device body is provided with a large accommodating space and a small accommodating space, a first seat cover and a second seat cover are arranged in front of and behind the large accommodating space, a power supply hole is arranged at the end side of the device body, and a flow channel is connected in series at the first seat cover and the second seat cover;
an irradiation part, which is connected between the first seat cover and the second seat cover of the large containing space of the device body, and the irradiation part further comprises a first bearing seat body, a metal reaction shell and a second bearing seat body, wherein the first bearing seat body and the second bearing seat body are respectively connected with two end sides of the metal reaction shell, a sterilizing lamp group is arranged in the metal reaction shell, and the irradiation part covers the flow channel;
a water flow pressure sensing switch, which is connected in series with the flow channel at the second seat cover of the device body, and further comprises a piston body, a spring and a magnetic reed switch, wherein the flow channel is provided with a containing space, the containing space can be filled with the pressure sensing switch, the piston body is connected at the front end of the spring, so that the piston body can block a blocking hole arranged in the flow channel, the magnetic reed switch is composed of two magnetic bodies, one of which is arranged in the piston body, and the other is arranged on the inner wall of the flow channel; and
a circuit controller, which contains a driving stabilizer and is electrically connected with the sterilizing lamp set and the water flow pressure sensing switch, and is arranged in the small accommodating space of the device body,
the water flow through the flow passage is stopped for a preset time to cut off the irradiation of the germicidal lamp group, after the water flow in the flow passage is stopped for more than a preset time, the irradiation of the germicidal lamp group is started again, after the irradiation of the water flow in the flow passage is stopped for the preset time, the irradiation of the germicidal lamp group is cut off, and the operation is circulated.
2. The ultraviolet water purifying and sterilizing module device as claimed in claim 1, wherein the device body is provided with a light guide window extending into the metal reaction housing.
3. The ultraviolet module apparatus for water purification and sterilization as claimed in claim 1, wherein the sterilizing lamp set further comprises an ultraviolet lamp, a pull rod is extended from a head end of the ultraviolet lamp, and the apparatus body has a side cover corresponding to the pull rod of the ultraviolet lamp.
4. The ultraviolet module device for water purification and sterilization as claimed in claim 1, further comprising a wireless communication module for transmitting signals to the outside or receiving external signals.
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| CN201510200663.2A CN106145244B (en) | 2015-04-24 | 2015-04-24 | Ultraviolet water purification and sterilization module device and control method thereof |
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| CN201510200663.2A CN106145244B (en) | 2015-04-24 | 2015-04-24 | Ultraviolet water purification and sterilization module device and control method thereof |
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| CN106145244B true CN106145244B (en) | 2020-03-10 |
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| CN108793313A (en) * | 2017-04-28 | 2018-11-13 | 芜湖美的厨卫电器制造有限公司 | Water fountain and its control method |
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| JP2007237179A (en) * | 2007-04-17 | 2007-09-20 | Janome Sewing Mach Co Ltd | Ultraviolet device for sterilizing water in 24-hour bathing water purifying and circulating apparatus |
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| WO2013181455A1 (en) * | 2012-05-30 | 2013-12-05 | Robert Gellibolian | Water bottle with flow meter |
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| CN1890185A (en) * | 2003-10-09 | 2007-01-03 | 捷通国际有限公司 | Miniature hydro-power generation system |
| JP2007237179A (en) * | 2007-04-17 | 2007-09-20 | Janome Sewing Mach Co Ltd | Ultraviolet device for sterilizing water in 24-hour bathing water purifying and circulating apparatus |
| TW201014799A (en) * | 2008-10-03 | 2010-04-16 | Su-Chin You | Control device and water pressure switch set for ultraviolet water filter |
| TW201318977A (en) * | 2011-11-09 | 2013-05-16 | Ming-Shang Chang | Water filter with UV sterilization device |
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