专利摘要:
Oceanographic buoy with a procedure to delay the biofouling of the measuring instruments used. The oceanographic buoy object of the invention is composed of a main buoy and a series of secondary buoys, where sensors are housed that allow their use for obtaining time series of physicochemical parameters of seawater. A procedure is also described to delay the biofouling of the measuring instruments, contained inside the secondary buoys, which takes advantage of the distributed configuration of the buoy, making the measuring instruments, contained in the secondary buoys, remain in contact with the buoy. Water only during the time required to perform the measurement. In addition, the system for securing the secondary buoys to the main buoy allows the replacement of the secondary buoys quickly and easily. (Machine-translation by Google Translate, not legally binding)
公开号:ES2547251A1
申请号:ES201400264
申请日:2014-04-02
公开日:2015-10-02
发明作者:Juan Manuel VIDAL PÉREZ;Gaspar PENAGOS GARCÍA;Santiago PAVÓN QUINTANA
申请人:Universidad de Cadiz;
IPC主号:
专利说明:

Nº application07 / 07 / 2014F.OEPM04 / 07 / 2014F.Efectiva
produce a significant decrease in the performance of these and shortening of their period of operation.
In anchorages carried out in the Bay of Cádiz, it has been found that the values obtained from dissolved oxygen in seawater have decreased by half in only 10 days of sampling, due to the obstruction of the sensor measurement area. This requires the constant replacement of the obstructed sensors with new ones, and the buoy must remain at anchor. Therefore, these sensor replacements produce a frequent, laborious and expensive maintenance of the sensors installed in conventional oceanographic buoys.
This problem has forced to look for a solution that allows to delay the appearance of biofouling in the sensors as much as possible, and that the replacement of the sensors is an easy task, fast, economic and infrequent.
The solutions to the problem of biofouling have been addressed in different ways. For example, patent application No. EP 2273251 A2 places the sensors in a compartment in the superstructure of the buoy, and performs the collection of samples by a tube that would transport the water from the sea to said sensors. The patent US 6185988 Bl, installs the sensor inside a watertight structure, which is fixed to a surface, such as a prop of a spring, a buoy, etc., releasing the sensor at will that is introduced into the water at the moment of Take the measurements. While the patent CN 103121498 A, tries to solve the problem of biofouling, by a structure with a complex anchoring system that is introduced into the sea to take samples.
DESCRIPTION OF THE INVENTION.
The problems existing in conventional oceanographic buoys are determined by the appearance of biofouling in the sensors used to obtain long-term time series of the physicochemical parameters of seawater.
Nº application07 / 07 / 2014F.OEPM04 / 07 / 2014F.Efectiva
This biofouling begins to appear from the first moment that the sensors are introduced into seawater, and in a short space of time, a few days, they become obstructed and report erroneous data of the parameters they are measuring.
This implies the need to replace the clogged sensors with new ones, every few days. The replacement of these sensors, which are anchored in the live work of a buoy anchored in the high seas, involves the hiring of a diver, for the replacement of one sensor by another, and a boat, with capacity for two people and the necessary equipment for the diver, which allows to reach where the buoy is anchored. In addition, the time that is used to replace one sensor with another is high, so during that time no data is being reported.
All these needs generate a high cost of maintenance of the conventional oceanographic buoy, so it is necessary to find a system that delays the appearance of biofouling, and that this system is easy and quick replacement. In this way the maintenance cost would be reduced and the collection of time series of parameters would not be interrupted.
The systems that currently exist are designed to try to delay biofouling, but their designs are not taking into account the reduction of instruments to delay them, the maintenance costs, nor the importance of not interrupting obtaining the series of parameters.
For these reasons, this buoy is designed so that the measurement sensors are in one or several vessels other than the anchored buoy. In this way it is possible to submerge only the container (secondary buoy) that contains the measuring elements that you want to use, keeping it submerged only during the sampling moment, making the measuring elements in contact with the sea water the lowest possible time, significantly delaying the formation of biofouling on the surface thereof. Each container must also have a quick and easy disassembly system so that the
Nº application07 / 07 / 2014F.OEPM04 / 07 / 2014F.Efectiva
long-duration sampling series is not interrupted and the
hiring a diver and a larger vessel.These qualities make this oceanographic buoy have some advantagesto the conventional ones and those that try only to delay the fouling:
Scientific: It allows to obtain a long-lasting series of physicochemical parameters, without interruption.
Economics: The delay in the appearance of biofouling considerably reduces the frequency of change of sensors. The system of quick and easy replacement of the container, where the sensors would be housed, by another can be done by one person, reduces the hiring amount of the vessel, since a minor is needed and it is not necessary to hire a diver, since the replacement of the sensors is not necessary in the anchored buoy. Therefore, the maintenance cost and frequency are considerably reduced compared to conventional buoys and those that only attempt to delay biofouling.
DESCRIPTION OF THE CONTENT OF THE FIGURESFigure 1.-The complete outline of the proposed oceanographic buoy is shown,
where the following components can be appreciated. 1.-Main buoy. 2.-Secondary buoy. 3.-Union structure of secondary buoy to main buoy. 4.-Solar plate. 5.-Wind turbine. 6.-Mast. 7.-Light signaling. 8.-Security signage.
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Figure 2.- The diagram of one of the secondary buoys is shown, in which
appreciate the following components:
2.1.-Fill element of the flood system.2.2.-Emptying element of the flood system.2.3.-Sensors.2.4.-Vertical axis.
Figure 3.- The scheme of the secondary buoy restraint system to the main buoy is shown, in which the following components are appreciated: 2.-Secondary buoy. 2.4.-Vertical axis of the secondary buoy. 3.-Union structure of secondary buoy to main buoy. 9.-System of clamps. MODE OF EMBODIMENT OF THE INVENTION.
The object of the invention comprises a main buoy, which is the one that would be anchored to the seabed, and one or more secondary buoys attached to it, which house in their interior the measuring instruments that will be used to obtain certain physical parameters. seawater chemicals.
The main buoy consists of a submerged part that contains a compartment where the necessary instrumentation for collecting and sending the data obtained during sampling is housed, and the energy storage equipment obtained by the power generators located on a mast , which in addition to these generators houses the necessary elements for the generation of safety signals. From this mast there are also structures for the union of the secondary buoys to the main buoy.
Nº application07 / 07 / 2014F.OEPM04 / 07 / 2014F.Efectiva
One or more secondary buoys, which by means of the connecting structure that starts from the mast of the main buoy remain attached to it.
Each secondary buoy is composed of two compartments, one in which the necessary sensors are housed to measure the required physical-chemical parameters of the seawater, and another where a system is installed that allows by flooding, submerging each secondary buoy independently at will , making the measurement instruments or not in contact with seawater.
The secondary buoys remain in flotation, avoiding the contact of the measuring elements contained inside with the sea water, while these are not used.
For the taking of samples, the flood system of the secondary buoy that contains the elements of measures that you want to use comes into operation, activating its filling element, causing that when entering water in the compartment, increase the weight of the secondary buoy , getting it to submerge in the sea, until the sensors are in contact with the water.
Once the time necessary for taking the measurement has elapsed, the element for draining the flood system comes into operation, expelling the water from the interior of the secondary buoy, allowing it to emerge again, due to the elimination of weight, making that the sensors remain out of contact with seawater until the next sampling.
Each secondary buoy can house the same or different types of sensors in each one. If the same types of sensors are housed in each buoy, it will be possible to obtain time series of the same type from a different secondary buoy in different periods of time and ensure that sampling continues even when a certain sensor of a given secondary buoy becomes unusable. It is also possible that the sensors contained in each buoy are of different types, thus allowing the number of parameters to be measured to be extended.
Nº application07 / 07 / 2014F.OEPM04 / 07 / 2014F.Efectiva
The secondary buoy has a vertical axis installed on its top cover. This vertical axis, slides vertically by means of a system of clamps that has the structure of union of each secondary buoy to the mast of the main buoy. This system of clamps allows the flood and elevation of the secondary buoy, and
5 is quick and easy to dismantle, so it allows the replacement of a secondary buoy by another simply and quickly. INDUSTRIAL APPLICATION.
The object of the invention consists of an oceanographic buoy, which allows the
10 obtaining time series of physicochemical parameters, with reduced maintenance cost. Thanks to a system of floating secondary buoys that keep the measuring elements out of contact with the sea while they are not being used, it is possible to delay the appearance of biofouling in the sampling sensors. In addition the system of subjection of secondary buoys to the main
15 allows the replacement of secondary buoys quickly and easily.
Nº application07 / 07 / 2014F.OEPM04 / 07 / 2014F.Efectiva
权利要求:
Claims (6)
[1]
1. Oceanographic buoy, comprising:
to. A main buoy anchored to the seabed, composed of a submerged part that contains a compartment where the necessary instrumentation for collecting and sending the data obtained during sampling and the equipment for storing the energy obtained by power generators is housed, and a non-submerged part composed of a mast where, in addition to the power generators, the elements necessary for the generation of safety signals are housed and the structure for joining the main buoy to the secondary buoy or buoys.
b. One or more secondary buoys, which remain floating, attached to the main buoy by means of the joining structure that starts from the mast of the main buoy, each of which incorporates two compartments inside, one where the necessary sensors are housed for measure the required physical-chemical parameters of seawater and another where a system is installed that allows, by flooding, submerging each secondary buoy independently at will.
[2]
2. Oceanographic buoy, according to claim 1, characterized in that the secondary buoys remain floating, avoiding the contact of the measuring elements contained in their interior with the sea water while they are not being used.
[3]
3. Oceanographic buoy, according to claim 1, characterized in that the measuring elements housed inside each of the secondary buoys can be of the same or different type.
[4]
Four. Oceanographic buoy, according to claim 1, characterized in that during
the vertical displacement of the secondary buoy, produced by the
flooding or emptying of the water contained within, the vertical axis
installed on its top cover, it is moved by a system of clamps
5 which has the secondary buoy joining structure to the buoy mast
principal.
[5]
5. Procedure to delay biofouling of measuring instruments
used in obtaining time series of physical parameters
10 seawater chemicals, characterized by the use of the buoy
oceanographic, according to claims 1 to 4, which consists of maintaining
out of contact with seawater to the measurement sensors, the
which are inside the secondary buoys, while these
are not in operation.
fifteen
[6]
6. Procedure for obtaining time series of physical parameters
seawater chemicals by delaying the biofouling of the
measure employed, characterized by the use of the oceanographic buoy,
according to claims 1 to 4, which consists of submerging one or more buoys
twenty secondary, by flooding, so that the seawater enters
contact with the sensors, only for the time necessary to
set the measure.
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引用文献:
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US5532679A|1993-08-05|1996-07-02|Baxter, Jr.; John F.|Oil spill detection system|
ES2191118T3|1995-12-01|2003-09-01|Isco Inc|DEVICE FOR ANALYZING SAMPLES OF LIQUID.|
US5654692A|1996-05-24|1997-08-05|Baxter, Jr.; John F.|Tracking buoy|
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优先权:
申请号 | 申请日 | 专利标题
ES201400264A|ES2547251B2|2014-04-02|2014-04-02|Oceanographic buoy with procedure to delay the biofouling of the measuring instruments used|ES201400264A| ES2547251B2|2014-04-02|2014-04-02|Oceanographic buoy with procedure to delay the biofouling of the measuring instruments used|
PCT/ES2015/000049| WO2015150600A1|2014-04-02|2015-03-30|Oceanographic buoy with method for delaying the biofouling of the measuring instruments used|
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