CN112374571A - Deep ultraviolet photocatalyst sterilization module - Google Patents
Deep ultraviolet photocatalyst sterilization module Download PDFInfo
- Publication number
- CN112374571A CN112374571A CN202011324377.4A CN202011324377A CN112374571A CN 112374571 A CN112374571 A CN 112374571A CN 202011324377 A CN202011324377 A CN 202011324377A CN 112374571 A CN112374571 A CN 112374571A
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- China
- Prior art keywords
- water
- deep ultraviolet
- sleeve
- water inlet
- water outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000001954 sterilising effect Effects 0.000 title claims abstract description 68
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 68
- 239000011941 photocatalyst Substances 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 162
- 239000003054 catalyst Substances 0.000 claims abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 7
- 238000000746 purification Methods 0.000 abstract description 4
- 230000000844 anti-bacterial effect Effects 0.000 description 4
- 239000010410 layer Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
- C02F1/325—Irradiation devices or lamp constructions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/32—Details relating to UV-irradiation devices
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- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention relates to the technical field of water purification, and discloses a deep ultraviolet light catalyst sterilization module which comprises a sleeve, a water inlet component, a water outlet component, a water diversion plate, a photocatalyst tube and a deep ultraviolet light-emitting diode (LED) lamp, wherein the water inlet component and the water outlet component are respectively connected to two ends of the sleeve, the outer end of the water inlet component is provided with a water inlet interface, the water diversion plate is arranged at the inner end of the water inlet component, a plurality of diversion holes capable of thinning water into a plurality of water columns are distributed on the water diversion plate, the outer end of the water outlet component is provided with a water outlet interface, the deep ultraviolet LED lamp is arranged at the inner end of the water outlet component, ultraviolet rays emitted by the deep ultraviolet LED lamp are emitted to one side of the water diversion plate, a sterilization cavity is formed in a hollow area between the water diversion plate and the deep ultraviolet LED lamp, the photocatalyst tube is. The invention has the advantages of improved uniformity of ultraviolet sterilization, double sterilization, good sterilization effect, simple structure and convenient installation.
Description
Technical Field
The invention relates to the technical field of water purification, in particular to a deep ultraviolet photocatalyst sterilization module.
Background
With the development of social economy, demands for living environment are increasing, and particularly in the aspect of drinking water, more and more water purifier brands are coming into the market and gaining favor of customers in recent years.
At present, the water purification mode of the water purifier is basically two modes of filtration and ultraviolet sterilization, wherein the filtration effect is mainly determined by the material of a filter element, and the ultraviolet sterilization effect is mainly determined by an ultraviolet sterilization lamp and a sterilization flow channel structure together. To the ultraviolet sterilization mode, at present the universal adoption be through-type ultraviolet sterilizer, be provided with the inlet outlet promptly at the sterilizer shell, be fixed with the sterilamp in inside, for avoiding fluorescent tube direct contact water, still can cover the quartz capsule that passes through ultraviolet ray outside the fluorescent tube, during operation water gets into then flows from the outlet along the straight line from the water inlet, under this kind of mode, rivers pass through the route and be the linear type, rivers do not have the hindrance to pass through the sterilizer simultaneously, rivers speed is very fast, sometimes often can not reach sufficient bactericidal time, can not guarantee qualified bactericidal rate.
And because the penetrating power of the ultraviolet radiation illumination in water can be attenuated along with the increase of the distance or the thickening of the water layer, the sterilization effect of the upper layer water is inconsistent with the sterilization effect of the lower layer water in the same time period.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the deep ultraviolet photocatalyst sterilization module can improve the uniformity of ultraviolet sterilization, can perform double sterilization, has a good sterilization effect, and is simple in structure and convenient to install.
In order to solve the above technical problems, the present invention provides a deep ultraviolet light catalyst sterilization module, which comprises a sleeve, a water inlet member, a water outlet member, a water diversion plate, a photocatalyst tube and a deep ultraviolet light-emitting diode (LED) lamp, the water inlet component and the water outlet component are respectively connected with two ends of the sleeve, the outer end of the water inlet component is provided with a water inlet interface, the water diversion plate is arranged at the inner end of the water inlet component, a plurality of diversion holes capable of thinning water flow into a plurality of water columns are distributed on the water diversion plate, the outer end of the water outlet component is provided with a water outlet interface, the deep ultraviolet LED lamp is arranged at the inner end of the water outlet component, ultraviolet rays emitted by the deep ultraviolet LED lamps are emitted to one side of the water diversion plate, a sterilization cavity is formed in a hollow area between the water diversion plate and the deep ultraviolet LED lamps, the photocatalyst tube is arranged in the sterilization cavity, and the photocatalyst tube is provided with a water through hole for water to pass through.
As a preferable aspect of the present invention, a photocatalyst coating layer is provided on an inner wall of the photocatalyst tube.
As a preferable scheme of the invention, an annular shoulder is arranged at the middle section of the inner wall of the sleeve, and after the water inlet member is connected with the sleeve, the water diversion plate is pressed on the annular shoulder by the outer end of the water inlet member.
As a preferable scheme of the invention, the outer end of the water inlet component is provided with a throttle disc, the middle part of the throttle disc is provided with a boss used for pressing the water diversion plate on the annular convex shoulder, and a first throttle channel communicated with the water inlet interface and the sterilization cavity is formed between the throttle disc and the sleeve.
As a preferable scheme of the present invention, an installation seat for installing the deep ultraviolet LED lamp is provided at an inner end of the water outlet member, the installation seat is provided with a central groove and an annular groove surrounding the periphery of the central groove, the deep ultraviolet LED lamp includes a deep ultraviolet chip, quartz glass, and a pressing cover, the deep ultraviolet chip is installed on the central groove, the quartz glass cover is provided on the central groove and the annular groove, the pressing cover is connected with the installation seat, the quartz glass is pressed by the pressing cover, and a second throttling channel communicating the water outlet port and the sterilization cavity is formed between a structure of the pressing cover connected with the installation seat and the sleeve.
As a preferable scheme of the present invention, a waterproof ring is provided between the quartz glass and the annular groove.
As a preferable scheme of the present invention, the pressing cover and the mounting seat are in threaded connection.
In a preferred embodiment of the present invention, the water inlet member is connected to the sleeve by a screw, and a water inlet side seal ring is provided between the water inlet member and the sleeve.
In a preferred embodiment of the present invention, the water outlet member is connected to the sleeve by a screw, and a water outlet side seal ring is provided between the water outlet member and the sleeve.
As a preferable scheme of the present invention, the water supply device further comprises a packaging housing, the packaging housing comprises an outer sleeve, a surface cover and a bottom plate, the surface cover is arranged at one end of the outer sleeve, the surface cover is provided with a first through hole for the water outlet port to extend out, the bottom plate is arranged at the other end of the outer sleeve, and the bottom plate is provided with a second through hole for the water inlet port to extend out.
Compared with the prior art, the deep ultraviolet photocatalyst sterilization module has the beneficial effects that:
according to the invention, the water diversion plate is arranged on the water inlet side, the water flow entering the sleeve is refined into a plurality of fine water columns, the deep ultraviolet LED lamp is arranged on the water outlet side, part of the emitted ultraviolet rays are emitted to each fine water column for sterilization, the sterilization treatment of the whole part is realized, the uniformity of ultraviolet sterilization is improved, the sterilization effect is good, the other part of the ultraviolet rays is irradiated on the photocatalyst tube, the photocatalyst on the photocatalyst tube generates a strong catalytic degradation function, various bacteria can be effectively killed, the dual sterilization of the water flow is realized, the structure is simple, and the installation is convenient.
Drawings
FIG. 1 is an exploded view of a deep ultraviolet sterilization module according to the present invention;
FIG. 2 is a cross-sectional view of an assembled deep ultraviolet sterilization module according to the present invention;
in the figure, 1, a sleeve, 11, a sterilization cavity, 12, an annular shoulder, 13, a first throttling channel, 14, a second throttling channel, 2, a water inlet component, 21, a water inlet interface, 22, a throttling disc, 23, a boss, 3, a water outlet component, 31, a water outlet interface, 32, a mounting seat, 33, a central groove, 34, an annular groove, 4, a water diversion plate, 5, a deep ultraviolet LED lamp, 51, a deep ultraviolet chip, 52, quartz glass, 53, a pressing cover, 54, a waterproof ring, 55, a protection pad, 6, a photocatalyst tube, 7, a water outlet side sealing ring, 81, an outer sleeve, 82, a surface cover, 83, a bottom plate, 9 and a water inlet side sealing ring.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "central", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., used herein are used in the orientation or positional relationship indicated in the drawings, which are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 and 2, a preferred embodiment of a deep ultraviolet photocatalyst sterilization module according to a preferred embodiment of the present invention includes a sleeve 1, a water inlet member 2, a water outlet member 3, a water distribution plate 4 and deep ultraviolet LED lamps 5, wherein the water inlet member 2 and the water outlet member 3 are respectively connected to two ends of the sleeve 1, the outer end of the water inlet member 2 is provided with a water inlet port 21, the water distribution plate 4 is disposed at the inner end of the water inlet member 2, a plurality of distribution holes capable of subdividing water into a plurality of water columns are distributed on the water distribution plate 4, the outer end of the water outlet member 3 is provided with a water outlet port 31, the deep ultraviolet LED lamps 5 are disposed at the inner end of the water outlet member 3, ultraviolet rays emitted by the deep ultraviolet LED lamps 5 are emitted to one side of the water distribution plate 4, a sterilization cavity 11 is formed in a hollow area between the water distribution plate 4 and the deep ultraviolet LED lamps 5, the photocatalyst tube 6 is arranged in the sterilization cavity 11, and a water through hole for water to pass through is arranged on the photocatalyst tube 6; wherein, the inner wall of the photocatalyst tube 6 is provided with a photocatalyst coating.
Therefore, according to the deep ultraviolet sterilization module provided by the embodiment of the invention, the water flow entering the sleeve 1 is refined into a plurality of small water columns by arranging the water diversion plate 4 on the water inlet side, the emitted ultraviolet rays are radiated to each small water column for sterilization by arranging the deep ultraviolet LED lamp 5 on the water outlet side, the sterilization treatment of the whole part is realized, the uniformity of ultraviolet sterilization is improved, the sterilization effect is good, the other part of the ultraviolet rays is radiated onto the photocatalyst tube 6, the photocatalyst on the photocatalyst tube 6 generates a strong catalytic degradation function, various bacteria can be effectively killed, the dual sterilization of the water flow is realized, and the deep ultraviolet sterilization module is simple in structure, convenient to install, simple in structure and convenient to install.
The deep ultraviolet LED lamp has the characteristics of high sterilization efficiency, no toxicity, small volume, low energy consumption, instant start and stop, long service life, safe voltage operation, shock resistance and falling resistance; the deep ultraviolet LED lamps 5 with different powers can be selected to meet the use requirements of different flow rates and killing rates, and the modularized production is facilitated.
Illustratively, an annular shoulder 12 is arranged at the middle section of the inner wall of the sleeve 1, and after the water inlet member 2 is connected with the sleeve 1, the water diversion plate 4 is pressed on the annular shoulder 12 by the outer end of the water inlet member 2, so that the water diversion plate 4 is convenient to position and install.
Illustratively, the outer end of the water inlet component 2 is provided with a throttle disc 22, and a first throttle channel 13 which is communicated with the water inlet interface 21 and the sterilization cavity 11 is formed between the throttle disc 22 and the sleeve 1. From this, this first throttle passage 13 can reduce into the velocity of flow, and the time that makes the rivers flow through sterilization cavity 11 is longer, guarantees that the ultraviolet ray has sufficient time and acts on the rivers in sterilization cavity 11, and bactericidal effect is more abundant. Furthermore, the middle of the throttle disk 22 is provided with a boss 23 for pressing the water diversion plate 4 against the annular shoulder 12.
Illustratively, the inner end of the water outlet member 3 is provided with a mounting seat 32 for mounting the deep ultraviolet LED lamp 5. Specifically, be equipped with central recess 33 on the mount pad 32 and enclose and locate the annular groove 34 of central recess 33 periphery, deep ultraviolet LED lamp 5 includes deep ultraviolet chip 51, quartz glass 52 and compresses tightly lid 53, deep ultraviolet chip 51 is installed on central recess 33, quartz glass 52 covers and establishes central recess 33 with on the annular groove 34, compress tightly lid 53 with the mount pad 32 links to each other, quartz glass 52 by compress tightly lid 53 and compress tightly. It can be seen that the deep ultraviolet LED lamp 5 of this embodiment seals in sleeve 1 runner, avoids the ultraviolet ray to reveal the safety that influences the user, simple structure moreover, simple to operate.
Illustratively, a second throttling channel 14 for communicating the water outlet interface 31 and the sterilization cavity 11 is formed between the structure of the pressing cover 53 connected with the mounting seat 32 and the sleeve 1. From this, this second throttle passage 14 can reduce out the water velocity of flow, the time that makes rivers flow through sterilization cavity 11 is longer, guarantee that the ultraviolet ray has sufficient time and act on the rivers in sterilization cavity 11, the bactericidal effect is more abundant, and because second throttle passage 14 designs in deep ultraviolet LED lamp 5 periphery, when rivers flow through second throttle passage 14, can take away the heat that deep ultraviolet LED lamp 5 distributed out, play radiating effect to deep ultraviolet LED lamp 5, improve deep ultraviolet chip 51's life.
Illustratively, a waterproof ring 54 is arranged between the quartz glass 52 and the annular groove 34, so as to improve the sealing performance of the deep ultraviolet LED lamp 5 and prevent internal electrical components (such as the deep ultraviolet chip 51) from being damaged due to water inflow.
Exemplarily, in order to facilitate installation, maintenance, replacement and the like of the deep ultraviolet sterilization module, the water inlet member 2 is in threaded connection with the sleeve 1, the water outlet member 3 is in threaded connection with the sleeve 1, and the pressing cover 53 is in threaded connection with the mounting base 32.
Exemplarily, in order to prevent the deep ultraviolet sterilization module from leaking water, a water inlet side sealing ring 9 is arranged between the water inlet member 2 and the sleeve 1, and a water outlet side sealing ring 7 is arranged between the water outlet member 3 and the sleeve 1.
In addition, the deep ultraviolet sterilization module in the embodiment of the present invention further includes a package housing capable of playing a role of protection, the package housing includes an outer sleeve 81, a surface cover 82 and a bottom plate 83, the surface cover 82 is disposed at one end of the outer sleeve 81, a first through hole for the water outlet port 31 to extend out is disposed on the surface cover 82, the bottom plate 83 is disposed at the other end of the outer sleeve 1, and a second through hole for the water inlet port 21 to extend out is disposed on the bottom plate 83. Therefore, the deep ultraviolet sterilization module can be directly connected to pipelines, water taps and water purification products for use.
Also, a protection pad 55 is arranged between the pressing cover 53 and the quartz glass 52; the pad 55 prevents the quartz glass 52 from being embossed or crushed when the pressing cap 53 is tightened.
In the description of the present invention, it is to be understood that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, either fixedly connected, detachably connected, or integrally connected, unless otherwise explicitly stated or limited; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A deep ultraviolet light catalyst sterilization module is characterized in that the module comprises a sleeve, a water inlet component, a water outlet component, a water diversion plate, a photocatalyst tube and a deep ultraviolet LED lamp, the water inlet component and the water outlet component are respectively connected with two ends of the sleeve, the outer end of the water inlet component is provided with a water inlet interface, the water diversion plate is arranged at the inner end of the water inlet component, a plurality of diversion holes capable of thinning water flow into a plurality of water columns are distributed on the water diversion plate, the outer end of the water outlet component is provided with a water outlet interface, the deep ultraviolet LED lamp is arranged at the inner end of the water outlet component, ultraviolet rays emitted by the deep ultraviolet LED lamps are emitted to one side of the water diversion plate, a sterilization cavity is formed in a hollow area between the water diversion plate and the deep ultraviolet LED lamps, the photocatalyst tube is arranged in the sterilization cavity, and the photocatalyst tube is provided with a water through hole for water to pass through.
2. The deep ultraviolet sterilization module of claim 1, wherein a photocatalyst coating is disposed on an inner wall of the photocatalyst tube.
3. The deep ultraviolet sterilization module set of claim 1, wherein an annular shoulder is disposed at a middle position of the inner wall of the sleeve, and after the water inlet member is connected to the sleeve, the water diversion plate is pressed against the annular shoulder by an outer end of the water inlet member.
4. The deep ultraviolet sterilization module set according to claim 3, wherein the outer end of the water inlet member is provided with a throttle plate, the middle of the throttle plate is provided with a boss for pressing the water diversion plate against the annular shoulder, and a first throttle channel communicating the water inlet port and the sterilization cavity is formed between the throttle plate and the sleeve.
5. The deep ultraviolet sterilization module set according to claim 1, wherein the inner end of the water outlet member is provided with a mounting seat for mounting the deep ultraviolet LED lamp, the mounting seat is provided with a central groove and an annular groove surrounding the periphery of the central groove, the deep ultraviolet LED lamp comprises a deep ultraviolet chip, quartz glass and a pressing cover, the deep ultraviolet chip is mounted on the central groove, the quartz glass cover is arranged on the central groove and the annular groove, the pressing cover is connected with the mounting seat, the quartz glass is pressed by the pressing cover, and a second throttling channel communicating the water outlet and the sterilization cavity is formed between a structure formed by connecting the pressing cover and the mounting seat and the sleeve.
6. The deep ultraviolet sterilization module set forth in claim 5, wherein a waterproof ring is disposed between said quartz glass and said annular groove.
7. The deep ultraviolet sterilization module set of claim 5, wherein the pressing cover is in threaded connection with the mounting base.
8. The deep ultraviolet sterilization module set of claim 1, wherein the water inlet member is connected with the sleeve by a screw thread, and a water inlet side sealing ring is arranged between the water inlet member and the sleeve.
9. The deep ultraviolet sterilization module set of claim 1, wherein the water outlet member is connected to the sleeve by a screw, and a water outlet side sealing ring is disposed between the water outlet member and the sleeve.
10. The deep ultraviolet sterilization module set according to claim 1, further comprising a package housing, wherein the package housing comprises an outer sleeve, a surface cover and a bottom plate, the surface cover is disposed at one end of the outer sleeve, the surface cover is provided with a first through hole for the water outlet to extend out, the bottom plate is disposed at the other end of the outer sleeve, and the bottom plate is provided with a second through hole for the water inlet to extend out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011324377.4A CN112374571A (en) | 2020-11-23 | 2020-11-23 | Deep ultraviolet photocatalyst sterilization module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011324377.4A CN112374571A (en) | 2020-11-23 | 2020-11-23 | Deep ultraviolet photocatalyst sterilization module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112374571A true CN112374571A (en) | 2021-02-19 |
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ID=74587603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011324377.4A Pending CN112374571A (en) | 2020-11-23 | 2020-11-23 | Deep ultraviolet photocatalyst sterilization module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112374571A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113003653A (en) * | 2021-03-16 | 2021-06-22 | 重庆四联光电科技有限公司 | Overflowing type water sterilizing device |
-
2020
- 2020-11-23 CN CN202011324377.4A patent/CN112374571A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113003653A (en) * | 2021-03-16 | 2021-06-22 | 重庆四联光电科技有限公司 | Overflowing type water sterilizing device |
| CN113003653B (en) * | 2021-03-16 | 2023-04-11 | 重庆四联光电科技有限公司 | Overflowing type water sterilizing device |
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