CN208520374U - A kind of far-reaching sea wave and tidal level measurement buoy based on Beidou difference enhancing technology - Google Patents

A kind of far-reaching sea wave and tidal level measurement buoy based on Beidou difference enhancing technology Download PDF

Info

Publication number
CN208520374U
CN208520374U CN201820602052.XU CN201820602052U CN208520374U CN 208520374 U CN208520374 U CN 208520374U CN 201820602052 U CN201820602052 U CN 201820602052U CN 208520374 U CN208520374 U CN 208520374U
Authority
CN
China
Prior art keywords
module
buoy
data
signal
antenna
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.)
Active
Application number
CN201820602052.XU
Other languages
Chinese (zh)
Inventor
王文革
赵伯华
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.)
In Ict (tianjin) Technology Co Ltd
Original Assignee
In Ict (tianjin) Technology Co Ltd
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 In Ict (tianjin) Technology Co Ltd filed Critical In Ict (tianjin) Technology Co Ltd
Priority to CN201820602052.XU priority Critical patent/CN208520374U/en
Application granted granted Critical
Publication of CN208520374U publication Critical patent/CN208520374U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Testing Or Calibration Of Command Recording Devices (AREA)

Abstract

The utility model is suitable for ocean monitoring technologytechnologies field, provide a kind of far-reaching sea wave based on Beidou difference enhancing technology and tidal level measurement buoy, including processing module, measurement module, mobile module, power plant module and communication module, wherein: the processing module is connected with the measurement module, and the data for measuring the measurement module carry out after simply handling and compress to be sent to the communication module;Wave Data and tide level data are quick and precisely transmitted ashore data monitoring center by the big-dipper satellite antenna, the star basis sub-signal antenna and the Big Dipper short message transmission antenna, the wave and tide level data remote online synchro measure for realizing far-reaching extra large sea area are transmitted with remote; buoy carries the solar energy electroplax and wind energy fan and provides the support of electric power for entire buoy; two different renewable sources of energy are alternately used; to guarantee the long run supply of electric energy, so that buoy is able to carry out continuous-stable work.

Description

A kind of far-reaching sea wave and tidal level measurement buoy based on Beidou difference enhancing technology
Technical field
The utility model belongs to ocean monitoring technologytechnologies field more particularly to a kind of based on Beidou difference enhancing technology Far-reaching sea wave and tidal level measure buoy.
Background technique
Ocean wave data and tide level data are important oceanographic hydrological observation element, mainly include wave height, wave period, wave To and tidal level, far-reaching sea wave, tidal level precision measurement and forecast to ocean shipping, scientific research, prevent and reduce natural disasters and state Anti- military affairs have a very important significance, while having huge rush to good and fast realization " Maritime Silk Road " national strategy Into effect.Wave buoy is the important equipment for measuring Wave Data, and tidal level measuring instrument is measurement tide level data important equipment, according to The difference of working principle, wave buoy can be divided into acceleration of gravity formula and satellite surveys waves, acceleration of gravity formula wave buoy knot Structure is complicated, equipment is expensive, data transmission distance is short, is not suitable for far-reaching extra large sea area;According to the acquisition of auxiliary positioning differential signal source Mode is different, and satellite survey waves wave buoy is divided into ground difference enhancement method again and star basis divides enhancement method, wherein ground In enhancement method, it is placed on the higher bank of topography by base station is also referred to as using the differential signal sending device of storage battery power supply, Differential signal uses high-frequency communication at this time, and operating distance is less than 15km, and power consumption is larger;Therefore, ground difference enhances skill The art limitation relatively close and shorter cruise duration there are topography addressing hardly possible, operating distance, to be unable to measure far-reaching sea wave and tide Position data;In star base enhancement method, using the deep space communication satellite with solar panel as base station, work is communicated at this time Work is long apart from remote, wide coverage, cruise duration, can be used for measuring far-reaching sea wave and tide level data.
Wave buoy is more single on the using and select of power currently on the market, and most wave buoy uses The power that solar energy is run as entire buoy, but deepwater Changes in weather is variable, so that wave buoy uses solar energy It is not appropriate for as single power source, deepwater various meteorological conditions can not be coped with.
Utility model content
The utility model provides a kind of far-reaching sea wave based on Beidou difference enhancing technology and tidal level measurement buoy, it is intended to It is more single on the using and select of power to solve wave buoy, most wave buoy uses solar energy as entirely The power of buoy operation, but deepwater Changes in weather is variable, so that wave buoy uses solar energy as single power Source is not appropriate for, and can not cope with deepwater various meteorological conditions.
The utility model is realized in this way a kind of far-reaching sea wave and tidal level measurement based on Beidou difference enhancing technology Buoy, including processing module, measurement module, mobile module, power plant module and communication module, in which: the processing module and institute Measurement module is stated to be connected, data for measuring the measurement module carry out after simply handling and compress be sent to it is described Communication module, the processing module are connected with the mobile module, and the movement of the mobile module is controlled for sending instruction And stopping, the processing module are connected with the communication module, for control the communication module will receive big-dipper satellite with And the signal that data monitoring center is sent on the bank, the power plant module and the processing module, the measurement module, the movement Module is connected with the communication module, and the entire buoy of power plant module provides power and power supply.
Preferably, the processing module includes single-chip microcontroller, industrial personal computer and memory, and the single-chip microcontroller is defended for fusion operation Star positioning signal, star basis sub-signal and buoy attitude signal obtain Wave Data and tide level data, and to number after the completion of operation According to the execution for carrying out storage backup, the industrial personal computer is used to receive the instruction of the single-chip microcontroller, thus to internal electric elements And the on-off of circuit is executed, the memory for storing data, facilitates the reading and write-in of the single-chip microcontroller.
Preferably, the measurement module includes dipmeter, and the dipmeter is used to acquire the posture information of buoy, and this Information is transmitted to the single-chip microcontroller, and the single-chip microcontroller carries out simple processing to received information and then again sends out, surveys Buoy roll attitude is measured, the measurement error introduced due to attitudes vibration is corrected.
Preferably, the mobile module includes air ring and propeller, the air ring guarantee buoy drift across the sea and The support of whole gravity, the displacement that the propeller is shifted and pinpointed for buoy, to ensure that the movement of buoy.
Preferably, the power plant module includes solar energy electroplax, wind energy fan and battery, the solar energy electroplax and described Wind energy fan carries out sorption enhanced to solar energy and wind energy respectively, is allowed to become electric energy, and then pass to the battery, the storage Battery stores the electric energy of the solar energy electroplax and wind energy fan conversion, facilitates the undesirable weather phenomenon of reply.
Preferably, the communication module includes big-dipper satellite antenna, star basis sub-signal antenna and Big Dipper short message transmission Antenna, the big-dipper satellite antenna use multi-mode multifrequency signal receiving antenna, are suitable for BEI-DOU position system, are subjected to more The satellite positioning signal of kind modulating mode, multiple Frequency points, the star basis sub-signal antenna are suitable for receiving marine satellite hair The star basis sub-signal penetrated, for correcting the measurement error in Beidou positioning signal, the Big Dipper short message transmission antenna is used The Beidou II communication technology, transmission rate is fast, high reliablity, and Wave Data and tide level data are quick and precisely transmitted and ashore counted According to monitoring center.
Compared with prior art, the utility model has the beneficial effects that one kind of the utility model is increased based on Beidou difference The far-reaching sea wave and tidal level of strong technology measure buoy, and the satellite of multiple Frequency points is received by the way that the big-dipper satellite antenna is arranged Positioning signal, the star basis sub-signal antenna receive the star basis sub-signal of marine satellite transmitting, for correcting Beidou positioning Measurement error in signal, the Big Dipper short message transmission antenna, is quick and precisely transferred to bank for Wave Data and tide level data Upper data monitoring center realizes that the wave in far-reaching extra large sea area and tide level data remote online synchro measure are transmitted with remote, together When, which does not need not needing terrestrial reference station using multiple sensors such as gravity accelerometer, pressure sensors, Reliably, buoy carries the solar energy electroplax and wind energy fan and provides the support of electric power for entire buoy for easy to use, measurement, Two different renewable sources of energy are alternately used so that between the shortcomings that carry out it is complementary, to guarantee the long-term confession of electric energy It answers, so that buoy is able to carry out continuous-stable work, so that the cruise duration of buoy is long.
Detailed description of the invention
Fig. 1 is the overall flow schematic diagram of the utility model;
Fig. 2 is the processing module schematic diagram of the utility model;
Fig. 3 is the measurement module schematic diagram of the utility model;
Fig. 4 is the mobile module schematic diagram of the utility model;
Fig. 5 is the power plant module schematic diagram of the utility model;
Fig. 6 is the communication module schematic diagram of the utility model;
Fig. 7 is the overall structure diagram of the utility model;
In figure: 100- processing module, 101- single-chip microcontroller, 102- industrial personal computer, 103- memory, 200- measurement module, 201- Dipmeter, 300- mobile module, 301- air ring, 302- propeller, 400- power plant module, 401- solar energy electroplax, 402- wind energy Fan, 403- battery, 500- communication module, 501- big-dipper satellite antenna, 502- star basis sub-signal antenna, 503- Beidou are short Message transmissions antenna.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.
Fig. 1-7 is please referred to, the utility model provides a kind of technical solution: a kind of based on the far-reaching of Beidou difference enhancing technology Sea wave and tidal level measure buoy, including processing module 100, measurement module 200, mobile module 300, power plant module 400 and logical Interrogate module 500, in which: processing module 100 is connected with measurement module 200, and the data for measuring measurement module 200 carry out After simple processing and compression is sent to communication module 500, and processing module 100 is connected with mobile module 300, for sending The movement and stopping of instruction control mobile module 300, processing module 100 are connected with communication module 500, are used for communication control The signal that module 500 will receive big-dipper satellite and data monitoring center is sent on the bank, power plant module 400 and processing module 100, measurement module 200, mobile module 300 are connected with communication module 500, and the entire buoy of power plant module 400 provides power And power supply.
In the present embodiment, communication module 500 receives satellite positioning signal, star basis sub-signal processing module 100, place Reason module 100 receives the buoy movement attitude signal and the reception satellite positioning of communication module 500 sent from measurement module 200 Signal, star basis sub-signal, so that accurate buoy movement track data is obtained, meanwhile, buoy movement track data is carried out Separating treatment obtains Wave Data;And local sea area tidal datum is determined according to national standard, to buoy movement track data Separating treatment is carried out, obtains tide level data, and then the result of calculating be packaged being sent to by communication module 500 and is counted on the bank According to monitoring center, it is monitored the subsequent operations such as the drafting of result.
Further, processing module 100 includes single-chip microcontroller 101, industrial personal computer 102 and memory 103, and single-chip microcontroller 101 is used for Fusion operation satellite positioning signal, star basis sub-signal and buoy attitude signal, obtain Wave Data and tide level data, and to fortune Data carry out the execution of storage backup after the completion of calculation, and industrial personal computer 102 is used to receive the instruction of single-chip microcontroller 101, thus to inside The on-off of electric elements and circuit is executed, and memory 103 for storing data, facilitates the reading of single-chip microcontroller 101 and writes Enter.
In the present embodiment, single-chip microcontroller 101 is for fusion operation satellite positioning signal, star basis sub-signal and buoy fortune Dynamic attitude signal, obtains accurate buoy movement track data, meanwhile, separating treatment is carried out to buoy movement track data, is obtained To Wave Data;And local sea area tidal datum is determined according to national standard, buoy movement track data is carried out at separation Reason, obtains tide level data, to send it to data monitoring center on the bank, carries out the prediction and monitoring of next step, industrial personal computer 102 for receiving the instruction of single-chip microcontroller 101, to execute to the on-off of internal electric elements and circuit, to make It obtains entire buoy to be moved and acquired, industrial personal computer 102 is the direct executor of single-chip microcontroller 101, and memory 103 is for storing number According to facilitating reading and write-in of the single-chip microcontroller 101 to data.
Further, measurement module 200 includes dipmeter 201, and dipmeter 201 is used to acquire the posture information of buoy, and The information is transmitted to single-chip microcontroller 101, single-chip microcontroller 101 carries out simple processing to received information and then again sends out, Buoy roll attitude is measured, the measurement error introduced due to attitudes vibration is corrected.
In the present embodiment, dipmeter 201 is used to measure the attitude motion number of buoy shell pitching, rolling and yawing According to, and exercise data is transferred to single-chip microcontroller 101, wave the attitude error of introducing at random for correcting shell, dipmeter 201 is put It sets at the lower case geometric center position of buoy shell, is convenient for precise measurement spherical shell motion change information.
Further, mobile module 300 includes air ring 301 and propeller 302, and air ring 301 guarantees buoy across the sea The support drifted about with whole gravity, the displacement that propeller 302 is shifted and pinpointed for buoy, to ensure that the movement of buoy.
In the present embodiment, the inflation of air ring 301 floats the branch of the drift guaranteed buoy across the sea and whole gravity Support, displacement of the rotation of propeller 302 for buoy transfer and fixed point, so that it is specified to ensure that buoy can be voluntarily moved to Position, facilitate the use of staff.
Further, power plant module 400 includes solar energy electroplax 401, wind energy fan 402 and battery 403, solar energy electroplax 401 and wind energy fan 402 sorption enhanced is carried out to solar energy and wind energy respectively, be allowed to become electric energy, and then pass to battery 403, battery 403 stores the electric energy of 402 conversion of solar energy electroplax 401 and wind energy fan, facilitates the undesirable weather of reply Phenomenon.
In the present embodiment, solar energy electroplax 401 and wind energy fan 402 absorb to solar energy and wind energy respectively turns Change, is allowed to become electric energy, provides the support of electric power for entire buoy, two different renewable sources of energy are alternately used, made The shortcomings that between obtaining, carries out complementation, thus guarantee the long run supply of electric energy, so that buoy is able to carry out continuous-stable work, thus The cruise duration of buoy is long, and battery 403 stores the electric energy of 402 conversion of solar energy electroplax 401 and wind energy fan, conveniently answers To undesirable weather phenomenon, the cruising ability of buoy is increased.
Further, communication module 500 includes that big-dipper satellite antenna 501, star basis sub-signal antenna 502 and Beidou are short Message transmissions antenna 503, big-dipper satellite antenna 501 use multi-mode multifrequency signal receiving antenna, are suitable for Beidou positioning system System, is subjected to the satellite positioning signal of more modulation mode, multiple Frequency points, and star basis sub-signal antenna 502 is suitable for receiving The star basis sub-signal of marine satellite transmitting, for correcting the measurement error in Beidou positioning signal, Big Dipper short message transmits day Line 503, using the Beidou II communication technology, transmission rate is fast, high reliablity, and Wave Data and tide level data are quick and precisely passed Defeated ashore data monitoring center.
In the present embodiment, big-dipper satellite antenna 501 uses choke coil antenna, and it is dry to reduce satellite-signal sea surface reflection Disturb, be subjected to multi-mode multifrequency signal, be suitable for BEI-DOU position system, be subjected to dipper system B1 (1561.098MHz), The positioning signal of B2 (1207.140MHz), B3 (1268.520MHz) frequency point, have the advantages that receive that Frequency point is more, interference is small, Star basis sub-signal antenna 502 is suitable for receiving marine satellite satellite launch differential signal, for correcting in Beidou positioning signal The position error that existing, ionosphere/troposphere generates, improves wave-measuring buoy positioning accuracy, star basis sub-signal antenna 502 with 501 installation site of big-dipper satellite antenna is spaced apart, reduces interfering with each other between antenna, and Big Dipper short message transmits day Line 503 uses the Beidou II communication technology, and transmission rate is fast, high reliablity, will complete the Wave Data and tide level data of modulation Rapidly and accurately transmit ashore data monitoring center.Big Dipper short message transmission antenna 503 and star basis sub-signal antenna 502, The installation site of big-dipper satellite antenna 501 is all spaced apart, reduces interfering with each other between antenna.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (6)

1. a kind of far-reaching sea wave and tidal level based on Beidou difference enhancing technology measures buoy, it is characterised in that: including processing Module (100), measurement module (200), mobile module (300), power plant module (400) and communication module (500), in which:
The processing module (100) is connected with the measurement module (200), for measure the measurement module (200) Data carry out after simply handling and compress to be sent to the communication module (500),
The processing module (100) is connected with the mobile module (300), controls the mobile module for sending instruction (300) movement and stopping,
The processing module (100) is connected with the communication module (500), will connect for controlling the communication module (500) The signal of big-dipper satellite and data monitoring center transmission on the bank is received,
The power plant module (400) and the processing module (100), the measurement module (200), the mobile module (300) It is connected with the communication module (500), the entire buoy of the power plant module (400) provides power and power supply.
2. a kind of far-reaching sea wave and tidal level based on Beidou difference enhancing technology as described in claim 1 measures buoy, Be characterized in that: the processing module (100) includes single-chip microcontroller (101), industrial personal computer (102) and memory (103), the single-chip microcontroller (101) it is used for fusion operation satellite positioning signal, star basis sub-signal and buoy attitude signal, obtains Wave Data and tidal level number According to, and data after the completion of operation are carried out with the execution of storage backup,
The industrial personal computer (102) is used to receive the instruction of the single-chip microcontroller (101), thus to internal electric elements and circuit On-off executed,
The memory (103) for storing data, facilitates the reading and write-in of the single-chip microcontroller (101).
3. a kind of far-reaching sea wave and tidal level based on Beidou difference enhancing technology as claimed in claim 2 measures buoy, Be characterized in that: the measurement module (200) includes dipmeter (201), and the dipmeter (201) is used to acquire the posture letter of buoy Breath, and the information is transmitted to the single-chip microcontroller (101), the single-chip microcontroller (101) simply handles received information It then again sends out, measures buoy roll attitude, correct the measurement error introduced due to attitudes vibration.
4. a kind of far-reaching sea wave and tidal level based on Beidou difference enhancing technology as described in claim 1 measures buoy, Be characterized in that: the mobile module (300) includes air ring (301) and propeller (302), and the air ring (301) guarantees that buoy exists The support of drift and whole gravity on sea,
The displacement that the propeller (302) is shifted and pinpointed for buoy, to ensure that the movement of buoy.
5. a kind of far-reaching sea wave and tidal level based on Beidou difference enhancing technology as described in claim 1 measures buoy, Be characterized in that: the power plant module (400) includes solar energy electroplax (401), wind energy fan (402) and battery (403), it is described too Positive energy battery plate (401) and wind energy fan (402) carry out sorption enhanced to solar energy and wind energy respectively, are allowed to become electric energy, into And the battery (403) are passed to,
The battery (403) stores the electric energy of the solar energy electroplax (401) and wind energy fan (402) conversion, Facilitate the undesirable weather phenomenon of reply.
6. a kind of far-reaching sea wave and tidal level based on Beidou difference enhancing technology as described in claim 1 measures buoy, Be characterized in that: the communication module (500) includes that big-dipper satellite antenna (501), star basis sub-signal antenna (502) and Beidou are short Message transmissions antenna (503), the big-dipper satellite antenna (501) use multi-mode multifrequency signal receiving antenna, are suitable for north Struggle against positioning system, is subjected to the satellite positioning signal of more modulation mode, multiple Frequency points,
The star basis sub-signal antenna (502) is suitable for receiving the star basis sub-signal of marine satellite transmitting, for correcting north Measurement error in the positioning signal that struggles against,
The Big Dipper short message transmission antenna (503), using the Beidou II communication technology, transmission rate is fast, high reliablity, by wave Unrestrained data and tide level data quick and precisely transmit ashore data monitoring center.
CN201820602052.XU 2018-04-25 2018-04-25 A kind of far-reaching sea wave and tidal level measurement buoy based on Beidou difference enhancing technology Active CN208520374U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820602052.XU CN208520374U (en) 2018-04-25 2018-04-25 A kind of far-reaching sea wave and tidal level measurement buoy based on Beidou difference enhancing technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820602052.XU CN208520374U (en) 2018-04-25 2018-04-25 A kind of far-reaching sea wave and tidal level measurement buoy based on Beidou difference enhancing technology

Publications (1)

Publication Number Publication Date
CN208520374U true CN208520374U (en) 2019-02-19

Family

ID=65341062

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820602052.XU Active CN208520374U (en) 2018-04-25 2018-04-25 A kind of far-reaching sea wave and tidal level measurement buoy based on Beidou difference enhancing technology

Country Status (1)

Country Link
CN (1) CN208520374U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110057993A (en) * 2019-05-07 2019-07-26 哈尔滨工程大学 One kind being based on the integrated sewage monitoring device of Beidou admittance and monitoring method
CN110422283A (en) * 2019-08-30 2019-11-08 天津大学 It is a kind of based on Beidou communication can automatic position adjusting function oceanographic buoy
WO2022161134A1 (en) * 2021-02-01 2022-08-04 中国长江三峡集团有限公司 Marine comprehensive observation buoy and method capable of accurately measuring wave parameters

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110057993A (en) * 2019-05-07 2019-07-26 哈尔滨工程大学 One kind being based on the integrated sewage monitoring device of Beidou admittance and monitoring method
CN110422283A (en) * 2019-08-30 2019-11-08 天津大学 It is a kind of based on Beidou communication can automatic position adjusting function oceanographic buoy
WO2022161134A1 (en) * 2021-02-01 2022-08-04 中国长江三峡集团有限公司 Marine comprehensive observation buoy and method capable of accurately measuring wave parameters

Similar Documents

Publication Publication Date Title
CN106646557B (en) A kind of ocean monitoring buoy based on Beidou satellite-based augmentation system and short message function
CN108287018B (en) Marine environment noise measuring device based on wave glider
CN208520374U (en) A kind of far-reaching sea wave and tidal level measurement buoy based on Beidou difference enhancing technology
CN206788371U (en) A kind of far-reaching sea wave and tidal level based on satellite-based difference enhancing technology measure buoy
WO2017041402A1 (en) Buoy-type high-frequency ground wave radar system
CN104950317A (en) Ocean buoy realizing communication through Beidou satellite navigation system and using method of ocean buoy
CN106908044B (en) A kind of full sea area tidal observation system and tidal observation method based on Beidou
CN110186508A (en) System is monitored based on the oceanic water vigour of style image information of Big Dipper short message and unmanned boat
CN109883645A (en) The equivalent simulation method and apparatus of floating blower model test floating motion
CN107764248A (en) A kind of acoustic wave tide measuring instrument and measuring method
CN209321187U (en) A kind of automatic tour marine float platform
WO2022161134A1 (en) Marine comprehensive observation buoy and method capable of accurately measuring wave parameters
US20220090970A1 (en) Anti-surge floating body, seawater temperature measuring device and integrated measuring system
CN109405931A (en) A method of tide monitoring is carried out using multifunction floating mark
CN111268035A (en) Swinging type wave energy ocean comprehensive detection buoy
CN212160899U (en) Marine environment sudden change early warning system based on Internet of things
CN102507972A (en) Surface velocity and flow direction measuring device
CN207570541U (en) A kind of acoustic wave tide measuring instrument
CN111381293A (en) Marine meteorological and hydrological observation system
CN108253934A (en) Bathymetric surveying emulation mode and its emulator
CN114013574A (en) Intelligent hydrological meteorological observation system
CN2872384Y (en) Self-handing float geomagnetic diurnal-variation station
CN109269560A (en) A kind of underwater movable platform data collection and transfering system
CN2751309Y (en) Current meter having station, depth measurement and radio communication function
CN204788487U (en) Marine environment field detection system

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant