CN208076381U - Gasbag-type floatation device and water body apparent spectral in-situ measurement system - Google Patents
Gasbag-type floatation device and water body apparent spectral in-situ measurement system Download PDFInfo
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- CN208076381U CN208076381U CN201820547181.3U CN201820547181U CN208076381U CN 208076381 U CN208076381 U CN 208076381U CN 201820547181 U CN201820547181 U CN 201820547181U CN 208076381 U CN208076381 U CN 208076381U
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- spoke brightness
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Abstract
The utility model is related to gasbag-type floatation device and water body apparent spectral in-situ measurement systems.The measuring system includes gasbag-type floatation device and the observation device on the floatation device；The observation device includes optical sensor and transmission equipment, electronic metering equipment, control circuit and power supply unit；The optical sensor and transmission equipment includes irradiation level probe, spoke brightness probe, conduction optical fiber and spoke brightness probe hood；The electronic metering equipment includes irradiation level optical splitter, irradiance spectrum collection plate, spoke brightness optical splitter；The power supply unit is battery.The measuring system of the utility model can directly measure water body water leaving radiance Lw, can reduction method defect, human error and equipment error to the maximum extent, finally observe obtained water body Remote Sensing Reflectance RrsPrecision significantly improves, easy to operate.
Description
Technical field
The utility model is related to optical observation fields, and in particular to Ocean Color Remote Sensing scene apparent spectral observes field, especially
It is related to a kind of water body in-situ apparent spectral observation device.
Background technology
From water spoke brightness (Lw) and Remote Sensing Reflectance (Rrs) be marine optics core parameter, such as inherent optics amount, Ye Lv
Other parameters such as plain concentration and optics shallow water substrate, all can be by RrsInverting obtains.Moreover, the L of field measurementwIt can be used for airborne
Or in the ground calibration of airborne sensor, validity check and atmospheric correction.
Field measurement LwSpectrum has had more than 50 years history, developed and implemented in the prior art there are three types of measure
Method, including the above mensuration of the water surface, underwater section mensuration and floating on water mensuration, although these methods are in measure field
It is easy to implement, but they fail to directly measure the L of water bodyw, and go to derive L by measuring some associated argumentsw, by
In in derivation exist some uncertain factors, the L for causing these methods to be derived bywWith prodigious error.
As described in many researchs, L is estimated using the above mensuration of the water surfacewWhen, it, can not if sea is roughened by wave
It is accurate to determine gas-water interface reflectivity, then being difficult accurately to remove surface reflection, cause to derive LwWhen there are it is huge not
Determine factor；In underwater section mensuration, in order to export the uplink spoke brightness for reaching the water surface, need through accurate data processing
Correct attenuation coefficient is obtained, when practical application, for the waters in height turbid water domain or vertical demixing, it is difficult to accurately estimate
The attenuation coefficient of propagation, therefore finally derive LwWhen there is also huge uncertain factors；For floating on water mensuration, then need
Uplink spoke brightness at 10-50cm below the water surface is derived into the uplink spoke brightness at 0cm below the just water surface.Moreover, right
In underwater section mensuration and floating on water mensuration, it is necessary to by the refractive index and cross section reflectivity of hypothesis water come subjective
It is derived from water spoke brightness L with the uplink spoke brightness at 0cm below the just water surface on groundw, therefore, even if having accurately measured each
Component, various degrees of uncertainty also still can influence LwCalculating.
Currently, floating on water mensuration has been rarely mentioned, the above mensuration of the water surface and underwater section mensuration have generation
The instrument of table.Such as, have using the representative observation instrument of the above mensuration of the water surface：Canadian Satlantic companies
HyperSAS apparent spectral observation devices etc.；Have using the representative observation instrument of underwater section mensuration：Marine optics buoy etc..
In short, in the prior art, no matter which kind of observation instrument, as long as using three of the above measurement method, it all can not be accurate
It really measures from water spoke brightness, therefore, it is necessary to research and develop a kind of water body apparent spectral observation device based on new observation procedure, makes
With direct measurement rather than it is derived by the method from water spoke brightness, with reduction method defect to the maximum extent, human error, is set
Standby input reduces the difficulty of operation and maintenance, and realizes higher observation accuracy.
Utility model content
The purpose of this utility model is that：The problem of being observed for existing water body apparent spectral proposes a kind of
New water body optical observation equipment can not only directly measure water body water leaving radiance Lw, to the maximum extent reduction method defect,
Human error and equipment error finally observe obtained water body Remote Sensing Reflectance RrsPrecision significantly improves, and the equipment meets
Marine optics measures the technology in shade, posture, safety, the ease for operation for laying recycling and the convenience of maintenance etc.
It is required that.
The above-mentioned purpose of the utility model is achieved through the following technical solutions：
First, a kind of gasbag-type floatation device for water body optical observation is provided, it includes in a global formation
Air bag floating body ring is respectively equipped in air bag floating body ring medial surface any four Along ent position and carries instrument mounting bracket,
It is respectively equipped with folding and unfolding ring in air bag floating body ring lateral surface any four Along ent position；The inside and outside diameter ratio of the floating body ring
Value is 0.80~0.85.
Floatation device described in the utility model can be used for the optical observation of different water bodys, pacify in the carrying instrument
Various optical observation instruments can be carried by shelving, such as spoke brightness probe and irradiation level probe etc..The floating body ring is whole
The body formed gasbag-type floating body ring with cavity, for providing buoyancy for entire floatation device, and can by inflation and
It deflates and adjusts its buoyancy size, obtain different drafts.
On this basis, the utility model further provides for a kind of gasbag-type water body apparent spectral in-situ measurement system, packet
Include floatation device described in the utility model and the observation device on the floatation device；The observation device includes
Optical sensor and transmission equipment, electronic metering equipment, control circuit and power supply unit；The optical sensor and transmission equipment packet
Include irradiation level probe, spoke brightness probe, conduction optical fiber and spoke brightness probe hood；The electronic metering equipment includes spoke
Illumination optical splitter, irradiance spectrum collection plate, spoke brightness optical splitter；The power supply unit is battery；
The electronic metering equipment and control circuit is placed on watertight number and adopts in storehouse, and the watertight number adopts storehouse and fixes peace
On any one of carrying instrument mounting bracket；The power supply unit is placed in watertight battery compartment, the water
Density battery storehouse, which is fixedly mounted on, adopts with watertight number on the opposite carrying instrument mounting bracket in storehouse；The watertight number adopts storehouse and described
Crossbeam is provided between watertight battery compartment, the crossbeam is higher than floating body ring upper surface, and observation device is arranged in centre position
Mounting bracket；The irradiation level probe is mounted on the observation device mounting bracket straight up；The spoke brightness probe is perpendicular
Directly it is mounted on the observation device mounting bracket downwards；The spoke brightness probe hood is in cone cylinder type, is fixedly mounted on institute
Observation device mounting bracket bottom end periphery is stated, the upper surface of the floating body ring or less is extending vertically by spoke brightness probe positions；
The conduction optical fiber includes two-way, is laid along the crossbeam and by being arranged on the surfaces watertight number Cai Cang
Watertight connector enter watertight number and adopt storehouse, the two-way conducts in optical fiber all the way by the irradiation level probe and irradiation level point
The spoke brightness probe is connected with spoke brightness optical splitter for the conducting of light device, another way；The watertight battery compartment and the water
Close number is connected by watertight connector with watertight cable between adopting storehouse, realizes power supply unit and the electronic metering equipment and control electricity
The electrical connection on road.
In the preferred water body apparent spectral in-situ measurement system, communication is further carried on the floatation device
Equipment and positioning device；The communication apparatus includes being arranged in the wireless waterproof communication antenna of the floating body ring surface and setting
The wireless communication module in storehouse is adopted in the watertight number, the positioning device includes being arranged on the observation device mounting bracket
Attitude transducer, be arranged and adopt the GPS module in storehouse in the watertight number and be arranged in the GPS waterproofs day of the floating body ring surface
Line；The wireless waterproof communication antenna and GPS waterproof antennas are fixedly mounted on and the watertight number carrying instrument that adopt storehouse adjacent
On device mounting bracket；The wireless waterproof communication antenna and wireless communication module is connect by the watertight on the surfaces watertight number Cai Cang
Head electrical connection；The GPS waterproof antennas and the GPS module are electrically connected by the watertight connector on the surfaces watertight number Cai Cang
It connects；The attitude transducer is electrically connected with the electronic metering equipment by the watertight connector on the surfaces watertight number Cai Cang
It connects.
The optic probe of field long-term work is protected from environmental, and camera lens is easy to be contaminated, and causes measurement data inaccurate
Really.In order to reduce due to measurement error caused by pollution, the further preferred water body apparent spectral in situ measurement
In system, optic probe Motorized cleaning apparatus is further set on the observation device mounting bracket；The optic probe is electronic
Cleaning device is used to clean any one on observation device mounting bracket or all optic probe camera lens surfaces.
In the further preferred water body apparent spectral in-situ measurement system, irradiation level probe and spoke brightness
Probe side is respectively fixedly connected with one group of optic probe Motorized cleaning apparatus, the optic probe Motorized cleaning apparatus described in each group
Include the waterproof steering engine being fixedly connected with observation device mounting bracket, the waterproof steering engine includes circuit board and motor；It is described
Circuit board the control circuit in storehouse adopted with the watertight number by watertight controlling cable be electrically connected, receive what control circuit was sent out
Signal is controlled, and then controls motor rotation；The machine shaft end sleeve narrow bars shape scraper member, the bar shaped scraper member are whole
Body and the optic probe camera lens intimate surface contact on the observation device mounting bracket, and can be under the drive of motor described
Do reciprocating rotation in camera lens surface.The optic probe Motorized cleaning apparatus has ensured the dual channel optical probe mirror installed out of my cabin
The cleaning of head, make its not by splash, dust and dirt, biological attachment etc. are influenced.
In the further preferred water body apparent spectral in-situ measurement system, the observation device mounting bracket hypomere
Hood height adjustment device, the underwater penetration for adjusting hood are further set.
In the preferred scheme of the utility model, the spoke brightness pops one's head in hood as dumb light black nonpolarity hard material
Manufactured cone cylinder；The cone cylinder is taper cone barrel, and axis is in 10-15 ° of angle with busbar, farthest to reduce cone cylinder itself
The influence that shadow band comes.
In the preferred water body apparent spectral in-situ measurement system, the spoke brightness probe positions are higher than described
The water line of floatation device, difference in height is in 4-8cm, preferably 5-6cm, to ensure that the spoke that probe can both measure at horizontal plane is bright
Degree, and be unlikely to by water submerged.
The direct sight of water body in-situ apparent spectral may be implemented in water body apparent spectral observation system described in the utility model
It surveys.In actual use, water body apparent spectral observation system described in the utility model delivered to marine site to be observed by lash ship, led to
The folding and unfolding ring for crossing the outer side ring surface of the floatation device is thrown to suitable position with hawser, and system to be observed is floated to cloudy far from lash ship
It is long-range to start observation program behind the region of shadow；In observation process, spoke brightness probe is on observation device mounting bracket, floating
Always the position of the water surface or more, the upward spoke brightness of window face surface measurement are under force effect；Hood cone cylinder lower edge simultaneously
Always just the water surface is placed in hereinafter, the sky stray light of spoke brightness probe lower section institute observation area can be shielded completely；Upward
While spoke brightness measurement, top of the irradiation level probe in floatation device is in the water surface or more always under buoyancy
The incident solar irradiance E of position alignment sky acquisitionsData；It also can synchronous acquisition if being equipped with attitude transducer simultaneously
Floatation device attitude data.Therefore, the upward spoke brightness value more than observed water surface of spoke brightness probe does not introduce
Other disturbing factors, without removing the influence of water surface reflected light, actually pure L by complicated derivationw,
Therefore the observation device of the utility model can realize that the prior art fails the direct measurement L realizedwTarget so that observe
The R arrivedrsIt is obviously improved in accuracy than the prior art.It is screened out according further to obtained attitude data different
The synchrodata of normal posture is rejected, and the water body Remote Sensing Reflectance R of higher precision may finally be obtainedrs。
In the equipment of the utility model, optic probe and the collected data of attitude transducer can be by existing a variety of
For wireless transmission to control centre, proper transmission mode includes mainly radio number biography and satellite communication, example
Such as, can be in control centre's setting signal transceiver on lash ship, while wireless aerial is set on floatability holder, with this
Realize that radio number passes.
The apparent spectral observation device of the utility model can unlimitedly apply various waters in the world, especially
Suitable for marine optics observation.It, can setting by least two form application the utility model in marine optics observation
It is standby：A kind of form is launched and is recycled repeatedly in some fixed observer point by lash ship using only a set of equipment, same marine site into
Row is long-term, repeatedly observes；Another form is that a large amount of marine sites of identical the utility model device in the world are primary
Property launch, while carrying out long-term observation in 1 year or more in multiple spot.
Description of the drawings
Fig. 1 is the overall structure diagram of floatation device described in embodiment 1.
Fig. 2 is the water body apparent spectral in-situ measurement system overall structure diagram described in embodiment 2.
Fig. 3 is observation device mounting bracket structural schematic diagram in water body apparent spectral in-situ measurement system described in embodiment 2.
Fig. 4 is optic probe and Motorized cleaning apparatus office in water body apparent spectral in-situ measurement system described in embodiment 2
Portion's structural schematic diagram.
Specific implementation mode
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings to this
The specific implementation mode of utility model is described in detail.
Many details are elaborated in the following description in order to fully understand the utility model, but this practicality is new
Type can also be implemented using different from other manner described here, and those skilled in the art can be new without prejudice to this practicality
Similar popularization is done in the case of type intension, therefore the utility model is not limited by following public specific embodiment.
Secondly, the utility model combination schematic diagram is described in detail, when the utility model embodiment is described in detail, for ease of
Illustrate, indicates that the sectional view of apparatus structure can disobey general proportion and make partial enlargement, and the schematic diagram is example,
This should not limit the range of the utility model protection.In addition, three-dimensional space that should be comprising length, width and depth in actual fabrication
Between size.
Embodiment 1
A kind of floatation device for water body optical observation, as shown in Figure 1, it includes the hollow gasbag of a global formation
Formula floating body ring 1 is respectively equipped with mounting bracket 1, mounting bracket 2 12, installation in 1 medial surface any four Along ent position of floating body ring
Frame 3 13 and mounting bracket 4 14 are respectively equipped with folding and unfolding ring 15 in 1 lateral surface any four Along ent position of floating body ring；Floating body ring 1
Inside and outside diameter ratio be 0.80~0.85.
Floatation device described in the present embodiment can be used for the optical observation of different water bodys, can be on the mounting bracket
Carry various optical observation instruments, such as spoke brightness probe and irradiation level probe etc..The floating body ring 1 is the band of global formation
The gasbag-type floating body ring for having cavity for providing buoyancy for entire floatation device, and can adjust it by inflatable and deflatable
Buoyancy size obtains different drafts.
Embodiment 2
A kind of water body apparent spectral in-situ measurement system, overall structure include floatation device described in embodiment 1, and drift
The observation device carried on floating apparatus；
The observation device include irradiation level probe, spoke brightness probe, conduction optical fiber and spoke brightness probe hood,
Irradiation level optical splitter, irradiance spectrum collection plate, spoke brightness optical splitter, control circuit and battery.
As shown in Figure 2,3, the irradiation level optical splitter, irradiance spectrum collection plate, spoke brightness optical splitter and control electricity
Road is placed on watertight number and adopts in storehouse 21, and watertight number is adopted storehouse 21 and is fixedly mounted on mounting bracket 1；Battery is placed on watertight battery
In storehouse 22, watertight battery compartment 22 is fixedly mounted on mounting bracket 3 13；Watertight number is adopted to be set up between storehouse 21 and watertight battery compartment 22
There are crossbeam 23,23 both ends of crossbeam to be equipped with supporting rod 24, crossbeam 23 is made to be higher than the upper surface of floating body ring 1,23 interposition of crossbeam installs
Set observation device mounting bracket 25；Irradiation level probe 26 is mounted on observation device mounting bracket 25 straight up；Spoke brightness probe 27
It is mounted on observation device mounting bracket 25 straight down, 27 positions of spoke brightness probe are higher than the water line of floatation device, height
Difference is in 5-6cm；Spoke brightness pops one's head in hood 28 in the circular cone cartridge type of both ends open, and slot one end is fixedly mounted on spoke brightness spy
First 27 end periphery, the whole position from spoke brightness probe 27 are extending vertically into the upper surface of floating body ring 1 or less position, axis
It is in 10-15 ° of angle with busbar, farthest to reduce the influence that cone cylinder itself shadow band comes.25 hypomere of observation device mounting bracket
Further setting hood height adjustment device 35, the underwater penetration for adjusting hood.It includes two-way to conduct optical fiber 29,
It is laid along the crossbeam 23 and adopts the watertight connector 20 on 21 surface of storehouse by being arranged in watertight number and adopt storehouse 21 into watertight number, two
Road conduction optical fiber 29 is separately connected irradiation level probe and irradiation level optical splitter and spoke brightness probe and spoke brightness optical splitter；Water
Density battery storehouse 22 and watertight number are connected between adopting storehouse 21 by watertight connector and watertight cable, realize that battery is set with each electronic surveying
Standby and control circuit electrical connection.Wireless waterproof communication antenna 30 and GPS are installed on the mounting bracket 2 12 of floating body ring 1
Waterproof antenna 31, and setting wireless communication module and GPS module in storehouse 21 are adopted in watertight number, it is also set on observation device mounting bracket 25
There is attitude transducer；Wireless waterproof communication antenna 30 and wireless communication module adopt the watertight on 21 surface of storehouse with conducting wire by watertight number
Connector is electrically connected；The watertight connector that GPS waterproof antennas and GPS module adopt 21 surface of storehouse with conducting wire by watertight number is electrically connected；Appearance
The watertight connector that state sensor also adopts 21 surface of storehouse with control circuit with conducting wire by watertight number is connect.
As shown in figure 4, each optic probe (by taking irradiation level probe 26 as an example) side is respectively fixedly connected with one group of optics and visits
Head Motorized cleaning apparatus, each group of optic probe Motorized cleaning apparatus includes being fixedly connected with observation device mounting bracket 25
Waterproof steering engine 32, waterproof steering engine 32 include circuit board and motor；Circuit board is adopted by watertight controlling cable and watertight number in storehouse
Control circuit is electrically connected, and receives the control signal that control circuit is sent out, and then controls motor rotation；The shaft that motor connection is stretched out
33,33 end sleeve narrow bars shape scraper member 34 of shaft, bar shaped scraper member 34 is whole closely to be connect with corresponding optic probe camera lens surface
It touches, and reciprocating rotation can be done on corresponding camera lens surface under motor drive.Optic probe Motorized cleaning apparatus has ensured out of my cabin
The cleaning of the dual channel optical probe camera lens of installation, make its not by splash, dust and dirt, biological attachment etc. are influenced.
In the equipment of the present embodiment, in addition to optic probe, other all components surfaces externally and internallies are coated with the non-pole of dumb light black
Property coating.
Claims (8)
1. a kind of gasbag-type floatation device for water body optical observation, it is characterised in that：It includes in a global formation
Air bag floating body ring is respectively equipped in air bag floating body ring medial surface any four Along ent position and carries instrument mounting bracket,
It is respectively equipped with folding and unfolding ring in air bag floating body ring lateral surface any four Along ent position；The inside and outside diameter ratio of the floating body ring
Value is 0.80~0.85.
2. a kind of gasbag-type water body apparent spectral in-situ measurement system, including, it floatation device described in claim 1 and is mounted on
Observation device on the floatation device；The observation device includes optical sensor and transmission equipment, electronic metering equipment, control
Circuit and power supply unit processed；The optical sensor and transmission equipment include irradiation level probe, spoke brightness probe, conduction optical fiber with
And spoke brightness probe hood；The electronic metering equipment includes irradiation level optical splitter, irradiance spectrum collection plate, spoke brightness
Optical splitter；The power supply unit is battery；
The electronic metering equipment and control circuit is placed on watertight number and adopts in storehouse, and the watertight number is adopted storehouse and is fixedly mounted on
On any one of carrying instrument mounting bracket；The power supply unit is placed in watertight battery compartment, watertight electricity
Chi Cang, which is fixedly mounted on, to be adopted with watertight number on the opposite carrying instrument mounting bracket in storehouse；The watertight number adopts storehouse and the watertight
Crossbeam is provided between battery compartment, the crossbeam is higher than floating body ring upper surface, and centre position setting observation device is installed
Frame；The irradiation level probe is mounted on the observation device mounting bracket straight up；The described spoke brightness probe vertically to
It is mounted on the observation device mounting bracket down；The spoke brightness probe hood is in cone cylinder type, is fixedly mounted on the sight
Measurement equipment mounting bracket bottom end periphery, the floating body ring upper ring surface or less is extending vertically by spoke brightness probe positions；
The conduction optical fiber includes two-way, is laid along the crossbeam and by the way that the water on the surfaces watertight number Cai Cang is arranged
Contiguity head enters watertight number and adopts storehouse, and the two-way conducts in optical fiber all the way by the irradiation level probe and irradiation level optical splitter
The spoke brightness probe is connected with spoke brightness optical splitter for conducting, another way；The watertight battery compartment and the watertight number
It adopts and is connected with watertight cable by watertight connector between storehouse, realize power supply unit and the electronic metering equipment and control circuit
Electrical connection.
3. water body apparent spectral in-situ measurement system according to claim 2, it is characterised in that：On the floatation device
Further carry communication apparatus and positioning device；The communication apparatus includes the wireless waterproof being arranged in the floating body ring surface
Communication antenna and the wireless communication module adopted in the watertight number in storehouse is set, the positioning device includes being arranged in the sight
Attitude transducer on measurement equipment mounting bracket is arranged and adopts the GPS module in storehouse in the watertight number and be arranged in the floating body ring
The GPS waterproof antennas on surface；The wireless waterproof communication antenna and GPS waterproof antennas are fixedly mounted on to be adopted with the watertight number
On the adjacent carrying instrument mounting bracket in storehouse；The wireless waterproof communication antenna and wireless communication module is adopted by the watertight number
The watertight connector on storehouse surface is electrically connected；The GPS waterproof antennas and the GPS module pass through the surfaces watertight number Cai Cang
Watertight connector electrical connection；The attitude transducer passes through the surfaces watertight number Cai Cang with the electronic metering equipment
Watertight connector is electrically connected.
4. water body apparent spectral in-situ measurement system according to claim 3, it is characterised in that：The observation device installation
Optic probe Motorized cleaning apparatus is further set on frame；The optic probe Motorized cleaning apparatus is for cleaning observation device
Any one on mounting bracket or all optic probe camera lens surfaces.
5. water body apparent spectral in-situ measurement system according to claim 4, it is characterised in that：The irradiation level probe
It is respectively fixedly connected with one group of optic probe Motorized cleaning apparatus with spoke brightness probe side, the optic probe described in each group is electronic
Cleaning device includes the waterproof steering engine being fixedly connected with observation device mounting bracket, and the waterproof steering engine includes circuit board and electricity
Machine；The circuit board is adopted the control circuit in storehouse with the watertight number by watertight controlling cable and is electrically connected, and control electricity is received
The control signal that road is sent out, and then control motor rotation；The machine shaft end sleeve narrow bars shape scraper member, the bar shaped
The whole optic probe camera lens intimate surface contact on the observation device mounting bracket of scraper member, and can be in the drive of motor
Under on the camera lens surface do reciprocating rotation.
6. water body apparent spectral in-situ measurement system according to claim 4, it is characterised in that：The observation device peace
It shelves hypomere and hood height adjustment device is further set, the underwater penetration for adjusting hood.
7. water body apparent spectral in-situ measurement system according to claim 2, it is characterised in that：The spoke brightness probe
Hood is taper cone barrel made of dumb light black nonpolarity hard material, and axis is in 10-15 ° of angle with busbar.
8. water body apparent spectral in-situ measurement system according to claim 2, it is characterised in that：The spoke brightness probe
Position is higher than the water line of the floatation device, and difference in height is in 4-8cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820547181.3U CN208076381U (en) | 2018-04-17 | 2018-04-17 | Gasbag-type floatation device and water body apparent spectral in-situ measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820547181.3U CN208076381U (en) | 2018-04-17 | 2018-04-17 | Gasbag-type floatation device and water body apparent spectral in-situ measurement system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208076381U true CN208076381U (en) | 2018-11-09 |
Family
ID=64041838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820547181.3U Active CN208076381U (en) | 2018-04-17 | 2018-04-17 | Gasbag-type floatation device and water body apparent spectral in-situ measurement system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208076381U (en) |
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2018
- 2018-04-17 CN CN201820547181.3U patent/CN208076381U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230626 Address after: 518119 109, Building 7, Biohome, Baguang Community, Kuichong Subdistrict, Dapeng New District, Shenzhen, Guangdong Patentee after: Anhua Haise Scientific Instrument (Shenzhen) Co.,Ltd. Address before: 510301 Room 405, building 2, 164 Xingang West Road, Haizhu District, Guangzhou City, Guangdong Province Patentee before: Sun Zhaohua |
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| TR01 | Transfer of patent right |