CN111184885A - Anti-adhesion ultraviolet irradiation device acting on marine ecological monitoring sensor - Google Patents

Anti-adhesion ultraviolet irradiation device acting on marine ecological monitoring sensor Download PDF

Info

Publication number
CN111184885A
CN111184885A CN202010091729.XA CN202010091729A CN111184885A CN 111184885 A CN111184885 A CN 111184885A CN 202010091729 A CN202010091729 A CN 202010091729A CN 111184885 A CN111184885 A CN 111184885A
Authority
CN
China
Prior art keywords
slip ring
electric slip
ultraviolet led
module
quartz glass
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.)
Pending
Application number
CN202010091729.XA
Other languages
Chinese (zh)
Inventor
张天鹏
褚东志
王小红
刘鹏
曹煊
邓伟
曲君乐
蒋庆林
温京亚
李显昭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oceanographic Instrumentation Research Institute Shandong Academy of Sciences
Institute of Oceanographic Instrumentation Shandong Academy of Sciences
Original Assignee
Oceanographic Instrumentation Research Institute Shandong Academy of Sciences
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Oceanographic Instrumentation Research Institute Shandong Academy of Sciences filed Critical Oceanographic Instrumentation Research Institute Shandong Academy of Sciences
Priority to CN202010091729.XA priority Critical patent/CN111184885A/en
Publication of CN111184885A publication Critical patent/CN111184885A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08Radiation
    • A61L2/10Ultra-violet radiation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/26Accessories or devices or components used for biocidal treatment
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/24Housings ; Casings for instruments
    • G01D11/245Housings for sensors

Abstract

The invention discloses an anti-adhesion ultraviolet irradiation device acting on a marine ecology monitoring sensor, which comprises an upper shell and a lower shell, wherein the bottom of the lower shell is connected with a watertight plug, the top of the upper shell is provided with a quartz glass cover, and an ultraviolet LED module is arranged in the quartz glass cover; the ultraviolet LED module comprises a top module and a side module which are arranged up and down, wherein the top module comprises a top base, an ultraviolet LED I positioned at the top of the top base and an electric slip ring master slice I positioned at the bottom of the top base; the side module comprises a side base, an ultraviolet LED II positioned on the side surface of the side base, and an electric slip ring male piece and an electric slip ring female piece which are respectively positioned at the upper end and the lower end of the side base, wherein the electric slip ring male piece is tightly attached to the electric slip ring female piece; and the top of the upper shell is positioned in the quartz glass cover and is provided with a fixed cover, and the fixed cover is provided with a second electric slip ring male sheet. The device disclosed by the invention has the advantages of small volume, low power consumption, capability of simultaneously supplying power to a plurality of ultraviolet LED modules, adjustable module quantity, wide irradiation range and long maintenance period.

Description

Anti-adhesion ultraviolet irradiation device acting on marine ecological monitoring sensor
Technical Field
The invention relates to an ultraviolet irradiation device, in particular to an anti-adhesion ultraviolet irradiation device acting on a marine ecological monitoring sensor.
Background
The marine ecology monitoring sensor is a tool for carrying out important activities such as marine science research, marine environmental protection and the like. With the increasing degree of pollution of marine ecosystems, especially offshore, the marine ecosystems are damaged to different degrees. The underwater ecological monitoring sensor for the ocean uses sensing elements such as sound, light, electricity, biology and the like, can comprehensively monitor parameters such as physics, chemistry, biology and the like, mainly comprises water quality comprehensive parameters, nutritive salt, organic matters and the like, can monitor the ocean environment in real time and quickly early warn, and has great practical significance for protecting and improving the ecological environment.
When the marine ecological monitoring sensor is placed underwater for a long time, the surface of a sensitive component of the sensor can be covered with a layer of adjusting film under the action of a series of physical and chemical factors, plankton can be attached to the adjusting film to propagate to form a microbial film, and the problems of signal distortion, reliability reduction, mechanical transmission mechanism failure and the like of an instrument are caused. At present, common anti-adhesion methods such as mechanical structure wiping, chemical agent killing, surface energy reduction and the like are adopted, but the expected effects obtained by the methods are limited by a plurality of factors, the instrument is maintained to stably run for a long time, manual frequent maintenance is needed, and a large amount of manpower, material resources and financial resources are consumed.
Ultraviolet light in the wavelength range of 100nm to 280nm can alter the biological activity of microbial cell nucleic acids, leading to structural variation until death. The ultraviolet LED irradiates the surface of an optical sensitive component on the sensor within a certain frequency, so that a microbial film can be killed, adhesion of planktons is prevented, and the measurement precision of the sensor is ensured. Therefore, the use of the ultraviolet LED to irradiate the surface of the sensitive element of the sensor can prevent the attachment of microorganisms.
Disclosure of Invention
In order to solve the technical problems, the invention provides an anti-adhesion ultraviolet irradiation device acting on a marine ecological monitoring sensor, so as to achieve the purposes of simple overall structure, strong sealing performance, convenient use, capability of irradiating multiple sensor surfaces at multiple angles and long maintenance period.
In order to achieve the purpose, the technical scheme of the invention is as follows:
an anti-adhesion ultraviolet irradiation device acting on a marine ecological monitoring sensor comprises an upper shell and a lower shell which are connected together, wherein the bottom of the lower shell is connected with a watertight plug, the top of the upper shell is provided with a quartz glass cover, and an ultraviolet LED module is arranged in the quartz glass cover;
the ultraviolet LED module comprises a top module and a side module which are arranged up and down, and the top module comprises a top base, an ultraviolet LED I positioned at the top of the top base and an electric slip ring master slice I positioned at the bottom of the top base; the side module comprises a side base, an ultraviolet LED II positioned on the side surface of the side base, and an electric slip ring male piece and an electric slip ring female piece which are respectively positioned at the upper end and the lower end of the side base, wherein the ultraviolet LED I is connected with the electric slip ring female piece, the ultraviolet LED II and the electric slip ring male piece are respectively connected with the electric slip ring female piece II, and the electric slip ring male piece is tightly attached to the electric slip ring female piece I;
and the top of the upper shell is positioned in the quartz glass cover and is provided with a fixed cover, the fixed cover is provided with a second electric slip ring male piece, and the second electric slip ring male piece is respectively connected with the watertight plug and is tightly attached to the second electric slip ring female piece.
In the above scheme, the fixed cover is provided with the support shaft, the side surface of the support shaft is provided with the trapezoidal groove, the top module and the side module are fixed on the support shaft through screws, and the bottom of each screw is supported in the trapezoidal groove of the support shaft. In a further technical scheme, the supporting shafts are arranged in a plurality of numbers, and two adjacent supporting shafts are connected through external threads and internal threads.
In the above scheme, the positions corresponding to the upper end face and the lower end face of the side base and the upper end face of the fixing cover are respectively provided with the adhesive sheet for fixing the electric slip ring male sheet or the electric slip ring female sheet.
In the scheme, the sleeve is sleeved at the bottom in the top base, and the first electrical slip ring master piece is embedded in the groove of the sleeve.
In the scheme, the upper shell and the lower shell are connected through threads, and the sealing cover is sleeved on the outer side of the joint of the upper shell and the quartz glass cover in a threaded manner.
In a further technical scheme, the outer surface of the sealing cover is subjected to knurling treatment.
In the above scheme, one top module is provided, and two side modules are provided.
In the above scheme, the outer walls of the upper shell and the lower shell are radially provided with sealing grooves, sealing rings are arranged in the sealing grooves, and the joint of the upper shell and the quartz glass cover is provided with a silica gel ring embedded in the silica gel ring.
In a further technical scheme, the ultraviolet LED module adopts an ultraviolet LED with the wavelength of 265 nm.
Through the technical scheme, the anti-adhesion ultraviolet irradiation device acting on the marine ecology monitoring sensor has the following beneficial effects:
when the power supply device simultaneously supplies power to the plurality of ultraviolet LEDs, the plurality of ultraviolet LEDs are not simply connected in parallel through the conducting wires, but the traditional conducting wires are replaced by utilizing the contact joint of the electrical slip ring male and female chips for electrifying, so that the modularization of the ultraviolet LEDs is realized, the number of the modules can be increased or decreased according to actual requirements, and the operation is simple and convenient; moreover, due to the contact joint of the electric slip ring, each ultraviolet LED module can rotate 360 degrees around the supporting shaft, and the position of the sensor irradiated according to the requirement is adjusted in the installation process, so that the irradiation range is greatly enlarged; the whole device has small volume, low power consumption and long maintenance period.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic view of the overall structure of an anti-adhesion ultraviolet irradiation device applied to a marine ecology monitoring sensor according to an embodiment of the present invention;
FIG. 2 is a longitudinal sectional view of an anti-adhesion UV irradiation device applied to a marine ecology monitoring sensor according to an embodiment of the present invention;
FIG. 3 is a perspective view of a top module disclosed in an embodiment of the present invention;
FIG. 4 is a schematic diagram of an external structure of a top module according to an embodiment of the present invention;
FIG. 5 is a schematic perspective view of a side module according to an embodiment of the present invention;
FIG. 6 is a schematic perspective view of a side module according to an embodiment of the present invention;
FIG. 7 is a perspective view of the upper housing according to the embodiment of the present invention;
FIG. 8 is a cross-sectional view of the upper housing disclosed in accordance with an embodiment of the present invention;
FIG. 9 is a perspective view of the lower housing according to the embodiment of the present invention;
FIG. 10 is a cross-sectional view of the lower housing disclosed in accordance with an embodiment of the present invention;
FIG. 11 is a schematic view of a fixing cover according to an embodiment of the present invention;
fig. 12 is an enlarged view of a portion a of fig. 2.
In the figure, 1, a quartz glass cover; 2. an upper housing; 3. a sealing cover; 4. a lower housing; 5. a watertight plug; 6. a support shaft; 7. a fixed cover; 8. a seal ring; 9. a top base; 10. a first ultraviolet LED; 11. a sleeve; 12. a first electrical slip ring master slice; 13. a side base; 14. a second electrical slip ring master slice; 15. a sticker; 16. a top module; 17. a side module; 18. a second ultraviolet LED; 19. a first electric slip ring male sheet; 20. a second electric slip ring male sheet; 21. a trapezoidal groove; 22. a rectangular groove; 23. a silica gel ring; 24. a circular through hole; 25. a first threaded hole; 26. a counter bore; 27. a second threaded hole; 28. the groove is sealed.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The invention provides an anti-adhesion ultraviolet irradiation device acting on a marine ecology monitoring sensor, which has a structure shown in figures 1 and 2 and comprises an upper shell 2 and a lower shell 4 which are connected together, wherein as shown in figures 7 to 10, the bottom of the lower shell 4 is connected with a watertight plug 5, the top of the upper shell 2 is provided with a quartz glass cover 1, and an ultraviolet LED module is arranged in the quartz glass cover 1. The upper shell 2 and the lower shell 4 are connected through threads, the sealing cover 3 is sleeved outside the joint of the upper shell 2 and the quartz glass cover 1 in a threaded manner, and the outer surface of the sealing cover 3 is knurled.
The ultraviolet LED module comprises a top module 16 and side modules 17 which are arranged up and down, in the embodiment, the top module 16 is arranged one, the side modules 17 are arranged two, the top module 16 can be only arranged one, and the number of the side modules 17 can be increased or decreased according to actual conditions.
As shown in fig. 3 and 4, the top module 16 includes a top base 9, a first ultraviolet LED 10, a first electrical slip ring master 12 and a sleeve 11, the first ultraviolet LED 10 is sleeved on the top of the top base 9, the sleeve 11 is sleeved on the bottom of the top base 9, the first electrical slip ring master 12 is embedded in a groove on the bottom of the sleeve 11, and the first ultraviolet LED 10 is connected with the first electrical slip ring master 12.
As shown in fig. 5 and 6, the side module 17 includes a side base 13, a second ultraviolet LED 18, a first electrical slip ring male piece 19 and a second electrical slip ring female piece 14, the second ultraviolet LED 18 is sleeved in a circular through hole 24 on the side surface of the side base 13, the first electrical slip ring male piece 19 and the second electrical slip ring female piece 14 are respectively embedded in grooves at the upper end and the lower end of the side base 13, the second ultraviolet LED 18 and the first electrical slip ring male piece 19 are respectively connected with the second electrical slip ring female piece 14, and the first electrical slip ring male piece 19 is tightly attached to the first electrical slip ring female piece 12.
The top of the upper shell 2 is positioned in the quartz glass cover 1 and is provided with a fixed cover 7, as shown in fig. 11, the fixed cover 7 is embedded into a groove at the top of the upper shell 2, the fixed cover 7 is provided with a second electric slip ring male piece 20, and the second electric slip ring male piece 20 is respectively connected with the watertight plug 5 and is tightly attached to the second electric slip ring female piece 14.
The power supply mode of the whole device is as follows: an external cable is connected with the watertight plug 5 to electrify the second electric slip ring male sheet 20 on the fixed cover, the second electric slip ring female sheet 14 on the side module 17 is attached to the second electric slip ring male sheet 20 on the fixed cover 7 through a contact, the circuit is conducted, the current is simultaneously communicated with the second ultraviolet LED 18 and the first electric slip ring male sheet 19 on the side module 17, and then the second ultraviolet LED 18 on the side module 17 is electrified; the first electric slip ring male sheet 19 on the side module 17 supplies power to other side modules or the top module through contact joint among the electric slip rings, and the first electric slip ring female sheet 12 on the top module 16 supplies power to the first ultraviolet LED 10, so that circuit conduction of the whole device is realized.
The supporting shaft 6 is installed on the fixing cover 7, the bottom of the supporting shaft 6 is inserted into a central hole of the fixing cover 7, the top module 16 and the side module 17 sequentially penetrate through the supporting shaft 6, a threaded hole I25 is formed in the side face of the side base 13 and fixed on the supporting shaft 6 through screws, and the bottoms of the screws are abutted to the inside of the trapezoidal grooves 21. The side surface of the top base 9 is provided with a counter bore 26, the sleeve 11 is provided with a second threaded hole 27, and the two holes are aligned and then fixed in the trapezoidal groove 21 of the support shaft 6 through screws. In this embodiment, as shown in fig. 12, a plurality of support shafts 6 are provided, and adjacent support shafts are connected to each other by external and internal threads.
The upper and lower end faces of the side base 17 and the upper end face of the fixed cover 7 are provided with adhesive sheets 15 for fixing the corresponding female electrical slip ring sheet or male electrical slip ring sheet, and the adhesive sheets 15 are arranged in the rectangular grooves 22 of each end face. The top module 16 is not provided with an adhesive patch and the electrical slip ring master first 12 is mainly fixed by friction with the sleeve 11.
The outer walls of the upper shell 2 and the lower shell 4 are both provided with sealing grooves 28 along the radial direction, sealing rings 8 are arranged in the sealing grooves to realize axial sealing, the joint of the upper shell 2 and the quartz glass cover 1 is provided with a silica gel ring 23, and the quartz glass cover 1 is embedded into the silica gel ring 23 to realize radial sealing, so that double sealing between the upper shell 2 and the quartz glass cover 1 and sealing between the upper shell 2 and the lower shell 4 are realized, and water does not enter the inner cable cavity.
In this embodiment, the ultraviolet LED module is an ultraviolet LED with a wavelength of 265 nm. The ultraviolet LED can be preset to be circularly switched on and off according to a certain time interval, and the device adopts a working mode of uninterrupted 20-minute switching-on and 20-minute switching-off.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. An anti-adhesion ultraviolet irradiation device acting on a marine ecological monitoring sensor is characterized by comprising an upper shell and a lower shell which are connected together, wherein the bottom of the lower shell is connected with a watertight plug, the top of the upper shell is provided with a quartz glass cover, and an ultraviolet LED module is arranged in the quartz glass cover;
the ultraviolet LED module comprises a top module and a side module which are arranged up and down, and the top module comprises a top base, an ultraviolet LED I positioned at the top of the top base and an electric slip ring master slice I positioned at the bottom of the top base; the side module comprises a side base, an ultraviolet LED II positioned on the side surface of the side base, and an electric slip ring male piece and an electric slip ring female piece which are respectively positioned at the upper end and the lower end of the side base, wherein the ultraviolet LED I is connected with the electric slip ring female piece, the ultraviolet LED II and the electric slip ring male piece are respectively connected with the electric slip ring female piece II, and the electric slip ring male piece is tightly attached to the electric slip ring female piece I;
and the top of the upper shell is positioned in the quartz glass cover and is provided with a fixed cover, the fixed cover is provided with a second electric slip ring male piece, and the second electric slip ring male piece is respectively connected with the watertight plug and is tightly attached to the second electric slip ring female piece.
2. The device as claimed in claim 1, wherein a support shaft is mounted on the fixing cover, a trapezoidal groove is formed in a side surface of the support shaft, the top module and the side module are fixed on the support shaft through screws, and bottoms of the screws abut against the inside of the trapezoidal groove of the support shaft.
3. The device for preventing the adhesion of ultraviolet radiation on the marine ecology monitoring sensor according to claim 2, wherein a plurality of support shafts are provided, and two adjacent support shafts are connected through an external thread and an internal thread.
4. The device of claim 1, wherein the side base has adhesive pieces at positions corresponding to the upper and lower end surfaces of the fixing cover.
5. The device of claim 1, wherein a sleeve is sleeved on the bottom of the top base, and the electrical slip ring mother plate is embedded in a groove of the sleeve.
6. The device for preventing the ultraviolet radiation from being adhered to the marine ecology monitoring sensor according to claim 1, wherein the upper shell and the lower shell are connected by a screw thread, and a sealing cover is screwed on the outer side of the joint of the upper shell and the quartz glass cover.
7. The device for preventing the adhesion of ultraviolet radiation on a marine ecology monitoring sensor according to claim 6, wherein the outer surface of the sealing cover is knurled.
8. The device of claim 1, wherein the top module is provided with one and the side modules are provided with two.
9. The device of claim 1, wherein the outer walls of the upper and lower shells are provided with sealing grooves along the radial direction, the sealing grooves are provided with sealing rings, the joint of the upper shell and the quartz glass cover is provided with a silica gel ring, and the quartz glass cover is embedded in the silica gel ring.
10. The anti-adhesion ultraviolet irradiation device for the marine ecology monitoring sensor according to any one of claims 1 to 9, wherein the ultraviolet LED module is an ultraviolet LED with a wavelength of 265 nm.
CN202010091729.XA 2020-02-13 2020-02-13 Anti-adhesion ultraviolet irradiation device acting on marine ecological monitoring sensor Pending CN111184885A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010091729.XA CN111184885A (en) 2020-02-13 2020-02-13 Anti-adhesion ultraviolet irradiation device acting on marine ecological monitoring sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010091729.XA CN111184885A (en) 2020-02-13 2020-02-13 Anti-adhesion ultraviolet irradiation device acting on marine ecological monitoring sensor

Publications (1)

Publication Number Publication Date
CN111184885A true CN111184885A (en) 2020-05-22

Family

ID=70687325

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010091729.XA Pending CN111184885A (en) 2020-02-13 2020-02-13 Anti-adhesion ultraviolet irradiation device acting on marine ecological monitoring sensor

Country Status (1)

Country Link
CN (1) CN111184885A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113331169A (en) * 2021-06-04 2021-09-03 海南浙江大学研究院 Antifouling and anti-biological-adhesion equipment for underwater equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113331169A (en) * 2021-06-04 2021-09-03 海南浙江大学研究院 Antifouling and anti-biological-adhesion equipment for underwater equipment
CN113331169B (en) * 2021-06-04 2022-08-09 海南浙江大学研究院 Antifouling and anti-biological-adhesion equipment for underwater equipment

Similar Documents

Publication Publication Date Title
CN110548745B (en) Anti-fouling system using energy derived from brine
WO2008093132A3 (en) Methods of using photovoltaic cell arrays
TW201711913A (en) Safety improvements for UV radiation in aquatic applications
CN111184885A (en) Anti-adhesion ultraviolet irradiation device acting on marine ecological monitoring sensor
JP2018525780A (en) Water lock to prevent water intrusion
CN103645159A (en) High-precision sea in-situ turbidity monitor
JP2018520039A (en) Method and apparatus for preventing biofouling of ships etc. by UV radiation and surface modification
CN211675491U (en) Anti-adhesion ultraviolet irradiation device acting on marine ecological monitoring sensor
CN211697765U (en) Prevent marine organism's quality of water multi-parameter tester
RU2732472C2 (en) Integrated system for real-time protection against biological fouling and biological fouling monitoring
CN109890523B (en) Anti-contamination light emitting device and method for protected surfaces
ES2933600T3 (en) System for the prevention of flat biological fouling based on UV-C
CN212232852U (en) Ultraviolet lamp device for underwater biological adhesion prevention
CN110585458A (en) High-collimation ultraviolet antifouling device and preparation method thereof
RU85982U1 (en) LAMP
CN101250745B (en) Electrolytic polishing method and apparatus for semiconductor material
CN110575555A (en) Ultraviolet underwater antifouling device and preparation method thereof
CN107389527B (en) Biological adhesion preventing device of underwater membrane permeation sensor
CN105698101A (en) Self-contained type position indicating light beacon used for underwater robot and control method of light beacon
CN210932881U (en) Ultraviolet underwater antifouling device
CN103244874A (en) Temperature controllable LED street lamp
CN217996825U (en) Ultraviolet radiation lamp capable of preventing marine organism adhesion
CN208279341U (en) One kind having the anti-biological pollution ultraviolet radiator in the U-shaped shallow sea of cable
CN219659948U (en) Lamp bead control module
CN213109696U (en) Water quality monitoring buoy

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination