CN104803445A - Underwater ultraviolet sterilizer - Google Patents
Underwater ultraviolet sterilizer Download PDFInfo
- Publication number
- CN104803445A CN104803445A CN201510164194.3A CN201510164194A CN104803445A CN 104803445 A CN104803445 A CN 104803445A CN 201510164194 A CN201510164194 A CN 201510164194A CN 104803445 A CN104803445 A CN 104803445A
- Authority
- CN
- China
- Prior art keywords
- base
- light
- withstand voltage
- ultraviolet sterilizer
- emitting substrate
- 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.)
- Granted
Links
Landscapes
- Physical Water Treatments (AREA)
Abstract
The invention discloses an underwater ultraviolet sterilizer. The underwater ultraviolet sterilizer can be used in fresh water and sea water, and can perform underwater sterilization and biological growth inhibition by adopting ultraviolet radiation of which the wavelength range is 260-280 nm. The underwater ultraviolet sterilizer can be mounted near different types of field measurement sensors, and can effectively solve the problem that the biological growth in water is over exuberant, so that the measurement sensors drift, and sensitive elements are damaged. The underwater ultraviolet sterilizer consists of a transparent watertight protective cover, a luminous baseplate, an ultraviolet light emitting diode, a switch time schedule controller, a pressure-resistant watertight casing, a signal cable and the like, can realize instant starting, continuous light emitting and timed light emitting, is good in sterilization effect, is free of movable mechanical part and chemical substance precipitation, high in reliability and free of pollution on environment, and plays an obvious application effect on protection of marine measurement sensors, which are placed underwater in long term and are high in environment protection requirements and complex in geometric shape, from biological growth and adhesion.
Description
Technical field
The present invention relates to anti-halobios adhersion protector under water, particularly relate to the anti-halobios adhersion protector of field measurement sensor in ocean.
Background technology
In ocean research field, briny environment is a special very complicated corrosive environment, various biology is grown in seawater, halobiontic growth and attachment progressively realize according to following process: the bacterial biof iotalm in seawater can be attached to instrument surface, for planktonic larva provides foothold, planktonic organism can serve as barnacle, the bait of mussel adult, promote to settle down the marine organisms of class attached thereto and produce deposit of lime, for the growth of phycophyta provides control environment, and the breeding of phycophyta provides food source for settling down class biology further, circulation like this makes marine organisms constantly grow and breed, the final oceanographic instrumentation of covering completely surface.
Halobiontic attachment also produces corrosion to instrument except affecting normal operation of sensor, camera lens and light source, disturb sensor under their overing number, flood physical construction, in the serious curtailment plant and instrument life-span, therefore prevent marine organisms from growing fast and adhere to significant.
Existing anti-biological growth and sterilizing unit under water are mainly divided into two classes: a class is mechanical actuating mechanism, as adopted wiper or beater timing under water to perform wiping action, the bacterium and biology that are attached to instrument surface are wiped out; Another kind of is chemical medication, throws in the chemical agent containing bio-toxicity by human at periodic intervals near waters, instrument place, or instrument itself have can the special device of slow releasing chemical agent.
There is a lot of defect in the apparatus and method of above-mentioned anti-biological growth and sterilization under water, it is as irregularly shaped in spherical, cast etc. that the limitation of mechanism comprises the high and sea sensor that is difficult to available protecting complex geometry of the poor reliability of underwater movement topworks, power consumption; The sterilization validity period of chemistry medication is short and need constantly dispensing, and easily causes a series of problem of environmental pollution.
Summary of the invention
For the problem existing for existing anti-biological growth under water and sterilizing unit, the present invention releases ultraviolet sterilizer under water, its object is to by adopting the micro type ultra-violet transmitting illuminant of 260 ~ 280nm wavelength region to coordinate switching sequence controller and withstand voltage watertight housings, the ultraviolet radiation produced is at the early stage DNA clone of marine organism growth and cell replication stages, 's absorb by the DNA base of cell, destroy cellularstructure and stop cellular replication, prevent bacterial biof iotalm absorption and the planktonic organism larva Growth of Cells on oceanographic instrumentation surface, thus get rid of later stage algae, the high-grade marine organisms cell proliferation such as shellfish, biological growth and attachment is finally made to stagnate completely.
Ultraviolet sterilizer under water involved in the present invention is cylindric; be made up of upper and lower two portions; bottom is withstand voltage watertight housings; switching sequence controller is sealed with in withstand voltage watertight housings; top comprises light-emitting substrate, connects base and transparent water password protection guard shield; light-emitting substrate is fixed on and connects on base, connects base and is fixed on withstand voltage watertight housings upper end, and transparent water password protection guard shield covers on light-emitting substrate and is connected the outside of base and is fixed on connection base.
Described light-emitting substrate is circular sheet-like structures, and upper surface circle centre position is provided with micro type ultra-violet transmitting illuminant, and light source adopts ultraviolet LED, by constant current source power supply.Light-emitting substrate be connected base and be fixed together by spot welding, lower surface and the gap filling heat-conducting medium be connected between base of light-emitting substrate, for heat conduction and the heat radiation of light-emitting substrate, connect the inside of base and the under-filled of heat-conducting medium and encapsulate the isolator be made up of insulated heat material.
Described transparent water password protection guard shield is the cylindric quartz glass cover of upper end closed lower end opening, is convenient to ultraviolet (uv) transmission out, avoids again light-emitting substrate directly contact with seawater and produce short circuit and corrosion.The lower inside of transparent water password protection guard shield be connected base and seal by being arranged on the twice cylinder sealing-ring connecting chassis outer side.
The top of described withstand voltage watertight housings has round shape uncovered, and the uncovered inner side of round shape arranges screw thread.The lower outside of described connection base arranges sealing-ring and screw thread, screws in the uncovered interior screwing hermetic of top cylinder shape of withstand voltage watertight housings.
In described withstand voltage watertight housings, the switching sequence controller of sealing is arranged on the circuit card in withstand voltage watertight housings.The light-emitting substrate on top is connected with switching sequence controller by lead-in wire, goes between from light-emitting substrate extraction, through to enter in withstand voltage watertight housings also connecting valve time schedule controller after heat-conducting medium and isolator from the lower end being connected base.
Described withstand voltage watertight housings bottom arranges cable sealed joint and power transmission line, power transmission line is connected with the switching sequence controller on circuit card by cable sealed joint, external source is converted to constant current source by switching sequence controller, input to light-emitting substrate, it is luminous according to predetermined time interval that switching sequence controller controls ultraviolet LED.
Described switching sequence controller possesses the functions such as voltage transitions, constant current output and lighting timings control.Switching sequence controller inputs to light-emitting substrate by being converted to constant current after external input power voltage stabilizing, and it is luminous according to predetermined time interval to control ultraviolet LED, predeterminable ultraviolet LED is luminous according to certain time interval circulation, and fluorescent lifetime interval can be set to arbitrarily 5 minutes, 10 minutes, 15 minutes in units of 5 minutes ... 55 minutes.
The volume of ultraviolet sterilizer under water involved in the present invention is little, low in energy consumption, sterilization effect is good, flexible configuration and not polluting environment; be applicable to protect lay for a long time under water, sea sensor and oceanographic instrumentation that ambient water quality requires high, complex geometry, have a good application prospect at numerous areas such as marine environmental monitoring early warning, marine ecology protection and aquacultures.
Accompanying drawing explanation
Fig. 1 is the use principle figure of ultraviolet sterilizer under water of the present invention;
Fig. 2 is the structure iron of ultraviolet sterilizer under water of the present invention.
Description of symbols in accompanying drawing:
1, ultraviolet sterilizer 2, protected sensor under water
3, ultraviolet beam 4, unit clamp
5, transparent water password protection guard shield 6, light-emitting substrate
7, base 8, withstand voltage watertight housings is connected
9, cylinder sealing-ring 10, ultraviolet LED
11, heat-conducting medium 12, isolator
13, end-face seal ring 14, lead-in wire
15, switching sequence controller 16, cable sealed joint
17, power transmission line 18, circuit card
Embodiment
By reference to the accompanying drawings technical scheme of the present invention is further described.Be illustrated in figure 1 the use principle figure of ultraviolet sterilizer under water that patent of the present invention relates to, Fig. 2 shows the structural representation of the ultraviolet sterilizer under water that patent of the present invention relates to.
As shown in Figure 1; ultraviolet sterilizer 1 is fixed on protected sensor 2 by unit clamp 4 under water; ultraviolet sterilizer 1 is energized the 260 ~ 280nm ultraviolet beam 3 sent under water; be irradiated to protected sensor 2 on the surface, in the scope that ultraviolet beam 3 irradiates, be effective sterilization protective belt.The output rating of ultraviolet sterilizer 1 is higher under water, irradiation time is longer, nearer with the distance of protected sensor 2, sterilization effect is better.The lighting angle of ultraviolet beam 3 about 140 degree, effective irradiation distance 8 ~ 10 centimetres, unit clamp 4 realizes regulating the relative position of ultraviolet sterilizer under water 1 and protected sensor 2, irradiation distance and irradiating angle.
As shown in Figure 2, ultraviolet sterilizer 1 is made up of upper and lower two portions under water, the transparent water password protection guard shield 5 on top, light-emitting substrate 6 be connected base 7 and be arranged in the cylindric withstand voltage watertight housings 8 of bottom.
Upper part of light-emitting substrate 6 and connection base 7 thereof is sealed in inside by transparent water password protection guard shield 5; transparent water password protection guard shield 5 is the cylindric quartz glass cover of upper end closed lower end opening, the lower inside of transparent water password protection guard shield 5 be connected base 7 and seal by being arranged on the twice cylinder sealing-ring 9 connected outside base 7.
Light-emitting substrate 6 is circular sheet-like structures, upper surface center is provided with ultraviolet LED 10, lower surface to be fixed by spot welding between base 7 and to fill heat-conducting medium 11 for heat conduction and heat radiation with being connected, and connects the inside of base 7 and the under-filled of heat-conducting medium 11 and encapsulates the isolator 12 be made up of insulated heat material.
The top of withstand voltage watertight housings 8 has round shape uncovered, and the uncovered inner side of round shape arranges screw thread, and the lower end connecting base 7 arranges outside screw and end-face seal ring 13, connects base 7 by the upper surface screwing hermetic of end-face seal ring 13 with withstand voltage watertight housings 8.
Lead-in wire 14 is drawn from light-emitting substrate 6, through to enter in withstand voltage watertight housings 8 also connecting valve time schedule controller 15 after heat-conducting medium 11 and isolator 12 from the lower end being connected base 7.The bottom of withstand voltage watertight housings 8 arranges cable sealed joint 16 and power transmission line 17, and external power source is by the switching sequence controller 15 on power transmission line 17 and cable sealed joint 16 input circuit plate 18.
Duration is extinguished in the luminescence of light-emitting substrate 6 and sequential is controlled by switching sequence controller 15.
Claims (5)
1. a ultraviolet sterilizer under water, in cylindric, be made up of upper and lower two portions, it is characterized in that: bottom is columned withstand voltage watertight housings (8), switching sequence controller (15) is sealed with in withstand voltage watertight housings (8), top comprises light-emitting substrate (6), connect base (7) and transparent water password protection guard shield (5), light-emitting substrate (6) is fixed on and connects on base (7), connect base (7) and be fixed on withstand voltage watertight housings (8) upper end, transparent water password protection guard shield (5) covers on light-emitting substrate (6) with the outside being connected base (7) and is fixed on and connects on base (7),
Described light-emitting substrate (6) is circular sheet-like structures, upper surface center arranges micro type ultra-violet transmitting illuminant, lower surface to be fixed by spot welding between base (7) and to fill heat-conducting medium (11) with being connected, heat-conducting medium (11), for the heat conduction of light-emitting substrate (6) and heat radiation, connects the inside of base (7) and the under-filled of heat-conducting medium (11) and encapsulates the isolator (12) be made up of insulated heat material;
Circuit card (18) in described withstand voltage watertight housings (8) arranges switching sequence controller (15), light-emitting substrate (6) is connected with switching sequence controller (15) by lead-in wire (14), lead-in wire (14) is drawn from light-emitting substrate (6), after isolator (12), enter the interior also connecting valve time schedule controller (15) of withstand voltage watertight housings (8) from the lower end connecting base (7).
2. ultraviolet sterilizer under water according to claim 1, is characterized in that: described micro type ultra-violet transmitting illuminant adopts ultraviolet LED (10).
3. ultraviolet sterilizer under water according to claim 1; it is characterized in that: the cylindric quartz glass cover that described transparent water password protection guard shield (5) is upper end closed lower end opening, the lower inside of transparent water password protection guard shield (5) be connected base (7) and seal by being arranged on the twice cylinder sealing-ring (9) connecting base (7) outside.
4. ultraviolet sterilizer under water according to claim 1, is characterized in that: the top of described withstand voltage watertight housings (8) has round shape uncovered, and the uncovered inner side of round shape arranges screw thread; Described connection base (7) lower outside arranges sealing-ring and screw thread, screws in the uncovered interior screwing hermetic of top cylinder shape of withstand voltage watertight housings (8).
5. ultraviolet sterilizer under water according to claim 1, it is characterized in that: described withstand voltage watertight housings (8) bottom arranges cable sealed joint (16) and power transmission line (17), power transmission line (17) is connected with the switching sequence controller (15) on circuit card (18) by cable sealed joint (16), external source is converted to constant current source by switching sequence controller (15), input to light-emitting substrate (6), it is luminous according to predetermined time interval that switching sequence controller (15) controls ultraviolet LED (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510164194.3A CN104803445B (en) | 2015-04-09 | 2015-04-09 | Ultraviolet sterilizer under water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510164194.3A CN104803445B (en) | 2015-04-09 | 2015-04-09 | Ultraviolet sterilizer under water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104803445A true CN104803445A (en) | 2015-07-29 |
| CN104803445B CN104803445B (en) | 2016-08-17 |
Family
ID=53688716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510164194.3A Expired - Fee Related CN104803445B (en) | 2015-04-09 | 2015-04-09 | Ultraviolet sterilizer under water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104803445B (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424092A (en) * | 2015-12-07 | 2016-03-23 | 田川 | Anti-marine organism-adhesion marine conductivity-temperature-depth measuring instrument |
| CN106430404A (en) * | 2016-09-29 | 2017-02-22 | 圆融健康科技（深圳）有限公司 | Sterilizing unit and sterilizing device |
| CN108207926A (en) * | 2018-02-01 | 2018-06-29 | 山东省水利科学研究院 | A kind of project of South-to-North water diversion device for preventing extraneous biotic intrusion |
| CN108426182A (en) * | 2018-04-28 | 2018-08-21 | 山东大学 | A kind of ocean anti-halobios adhersion ultraviolet source and preparation method thereof |
| CN108476768A (en) * | 2018-06-11 | 2018-09-04 | 中国科学院南京地理与湖泊研究所 | A kind of low transparency water body submerged vegetation light compensating apparatus and method |
| CN108592970A (en) * | 2018-04-28 | 2018-09-28 | 山东大学 | A kind of combined type anti-halobios adhersion system and preparation method thereof |
| CN109415228A (en) * | 2016-06-22 | 2019-03-01 | 野村微科学股份有限公司 | Ultraviolet sterilization apparatus, ultraviolet sterilizing method and Hyperpure water manufacturing systems |
| JP2019034297A (en) * | 2017-08-21 | 2019-03-07 | 日機装株式会社 | Flowing water sterilization device |
| CN109715287A (en) * | 2016-09-09 | 2019-05-03 | 株式会社日本光电科技 | Ultraviolet lamp and method |
| CN110088046A (en) * | 2017-01-16 | 2019-08-02 | 首尔伟傲世有限公司 | Water purifier |
| CN110575555A (en) * | 2019-10-12 | 2019-12-17 | 山东大学 | Ultraviolet underwater antifouling device and preparation method thereof |
| CN110585458A (en) * | 2019-10-12 | 2019-12-20 | 山东大学 | High-collimation ultraviolet antifouling device and preparation method thereof |
| CN112456610A (en) * | 2020-12-03 | 2021-03-09 | 同济大学 | High-intensity biological adhesion preventing device for adhesion environment |
| CN107389527B (en) * | 2017-07-26 | 2023-11-17 | 同济大学 | Biological adhesion preventing device of underwater membrane permeation sensor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002012127A2 (en) * | 2000-08-04 | 2002-02-14 | Color Kinetics Incorporated | Ultraviolet light emitting diode systems and methods |
| KR20040055745A (en) * | 2004-05-13 | 2004-06-26 | 주식회사 케이엠아이 | Ultra Violet Cleaner equipped with Sensor |
| CN1880166A (en) * | 2005-06-16 | 2006-12-20 | 福建新大陆环保科技有限公司 | Method and device for suppressing life form clinging to opening of ship underwater part |
| CN101219820A (en) * | 2008-01-25 | 2008-07-16 | 魏强 | Ultraviolet ray sterilization equipment |
| CN202791416U (en) * | 2012-07-13 | 2013-03-13 | 刘方旭 | Underwater ultraviolet sterilization electrodeless lamp |
| CN203922794U (en) * | 2014-05-14 | 2014-11-05 | 尹小梅 | A kind of ultraviolet sterilizer |
| CN204625248U (en) * | 2015-04-09 | 2015-09-09 | 国家海洋技术中心 | Ultraviolet sterilizer under water |
-
2015
- 2015-04-09 CN CN201510164194.3A patent/CN104803445B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002012127A2 (en) * | 2000-08-04 | 2002-02-14 | Color Kinetics Incorporated | Ultraviolet light emitting diode systems and methods |
| KR20040055745A (en) * | 2004-05-13 | 2004-06-26 | 주식회사 케이엠아이 | Ultra Violet Cleaner equipped with Sensor |
| CN1880166A (en) * | 2005-06-16 | 2006-12-20 | 福建新大陆环保科技有限公司 | Method and device for suppressing life form clinging to opening of ship underwater part |
| CN101219820A (en) * | 2008-01-25 | 2008-07-16 | 魏强 | Ultraviolet ray sterilization equipment |
| CN202791416U (en) * | 2012-07-13 | 2013-03-13 | 刘方旭 | Underwater ultraviolet sterilization electrodeless lamp |
| CN203922794U (en) * | 2014-05-14 | 2014-11-05 | 尹小梅 | A kind of ultraviolet sterilizer |
| CN204625248U (en) * | 2015-04-09 | 2015-09-09 | 国家海洋技术中心 | Ultraviolet sterilizer under water |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424092A (en) * | 2015-12-07 | 2016-03-23 | 田川 | Anti-marine organism-adhesion marine conductivity-temperature-depth measuring instrument |
| CN109415228B (en) * | 2016-06-22 | 2022-03-01 | 野村微科学股份有限公司 | Ultraviolet sterilization apparatus, ultraviolet sterilization method, and ultrapure water production system |
| CN109415228A (en) * | 2016-06-22 | 2019-03-01 | 野村微科学股份有限公司 | Ultraviolet sterilization apparatus, ultraviolet sterilizing method and Hyperpure water manufacturing systems |
| TWI754667B (en) * | 2016-09-09 | 2022-02-11 | 日商日本光電科技股份有限公司 | Ultraviolet ray irradiation apparatus and method |
| CN113976062A (en) * | 2016-09-09 | 2022-01-28 | 株式会社日本光电科技 | Ultraviolet irradiation apparatus and method |
| CN113976062B (en) * | 2016-09-09 | 2024-05-03 | 株式会社日本光电科技 | Ultraviolet irradiation device and method |
| US11325848B2 (en) | 2016-09-09 | 2022-05-10 | Photoscience Japan Corporation | Ultraviolet irradiation device and method |
| KR102410248B1 (en) | 2016-09-09 | 2022-06-20 | 가부시키가이샤 니혼포토사이언스 | UV irradiation device and method |
| CN109715287A (en) * | 2016-09-09 | 2019-05-03 | 株式会社日本光电科技 | Ultraviolet lamp and method |
| KR20190049766A (en) * | 2016-09-09 | 2019-05-09 | 가부시키가이샤 니혼포토사이언스 | UV Irradiation Apparatus and Method |
| JPWO2018047629A1 (en) * | 2016-09-09 | 2019-06-27 | 株式会社日本フォトサイエンス | Ultraviolet radiation apparatus and method |
| CN106430404B (en) * | 2016-09-29 | 2019-10-29 | 圆融健康科技（深圳）有限公司 | Sterili-sation unit and sterilizing unit |
| CN106430404A (en) * | 2016-09-29 | 2017-02-22 | 圆融健康科技（深圳）有限公司 | Sterilizing unit and sterilizing device |
| CN110088046A (en) * | 2017-01-16 | 2019-08-02 | 首尔伟傲世有限公司 | Water purifier |
| CN107389527B (en) * | 2017-07-26 | 2023-11-17 | 同济大学 | Biological adhesion preventing device of underwater membrane permeation sensor |
| JP2019034297A (en) * | 2017-08-21 | 2019-03-07 | 日機装株式会社 | Flowing water sterilization device |
| CN108207926A (en) * | 2018-02-01 | 2018-06-29 | 山东省水利科学研究院 | A kind of project of South-to-North water diversion device for preventing extraneous biotic intrusion |
| CN108592970A (en) * | 2018-04-28 | 2018-09-28 | 山东大学 | A kind of combined type anti-halobios adhersion system and preparation method thereof |
| CN108426182A (en) * | 2018-04-28 | 2018-08-21 | 山东大学 | A kind of ocean anti-halobios adhersion ultraviolet source and preparation method thereof |
| CN108476768A (en) * | 2018-06-11 | 2018-09-04 | 中国科学院南京地理与湖泊研究所 | A kind of low transparency water body submerged vegetation light compensating apparatus and method |
| CN110585458A (en) * | 2019-10-12 | 2019-12-20 | 山东大学 | High-collimation ultraviolet antifouling device and preparation method thereof |
| CN110575555A (en) * | 2019-10-12 | 2019-12-17 | 山东大学 | Ultraviolet underwater antifouling device and preparation method thereof |
| CN112456610A (en) * | 2020-12-03 | 2021-03-09 | 同济大学 | High-intensity biological adhesion preventing device for adhesion environment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104803445B (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104803445A (en) | Underwater ultraviolet sterilizer | |
| CN204625248U (en) | Ultraviolet sterilizer under water | |
| CN106660083B (en) | Anti-fouling system using energy derived from brine | |
| KR102351416B1 (en) | System for anti-biofouling | |
| CN104066319B (en) | aquaculture lighting device and method | |
| US9675054B2 (en) | Aquaculture lighting devices and methods | |
| CN108430654A (en) | The improvements in security that UV is radiated in water related application | |
| CN108519472B (en) | A kind of more water layer aquatic environment multi-parameter original position on-line monitoring systems of aquafarm | |
| JP2018519034A (en) | Improved safety for UV irradiation in underwater applications | |
| WO2014014779A1 (en) | Marine environment antifouling system and methods | |
| KR20130143281A (en) | Water purifying apparatus with ultraviolet ray sterilization function | |
| CN108207729A (en) | The device of floating type three-dimensional culture coral in seawater | |
| US20150118101A1 (en) | Processing unit and method for separating hydrocarbons from feedstock material | |
| KR101432089B1 (en) | LED fishlight for flexible body in water pressure | |
| KR200401512Y1 (en) | Fish-bowl using light emitting diode | |
| US11229931B2 (en) | Apparatus and methods to prevent biofouling | |
| JP6918813B2 (en) | Instrument panel and antifouling system assembly | |
| WO2011122836A3 (en) | Lighting device using composite cable in which optical fiber cable is included | |
| Hoeher et al. | UVC-Based Biofouling Suppression for Long-Term Deployment of Underwater Cameras |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20170409 |