CN106452190A - Subsea power generation system utilizing energy of subsea heat liquid - Google Patents

Subsea power generation system utilizing energy of subsea heat liquid Download PDF

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Publication number
CN106452190A
CN106452190A CN201611112597.4A CN201611112597A CN106452190A CN 106452190 A CN106452190 A CN 106452190A CN 201611112597 A CN201611112597 A CN 201611112597A CN 106452190 A CN106452190 A CN 106452190A
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China
Prior art keywords
energy
subsea
power generation
station
electric
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Pending
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CN201611112597.4A
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Chinese (zh)
Inventor
王超
张蕊
姜晶
张勤勇
张晨贵
牛夷
耿慧远
陈乙德
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University of Electronic Science and Technology of China
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University of Electronic Science and Technology of China
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Priority to CN201611112597.4A priority Critical patent/CN106452190A/en
Publication of CN106452190A publication Critical patent/CN106452190A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02NELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N11/00Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
    • H02N11/002Generators

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a subsea power generation system utilizing energy of subsea heat liquid, provides a power generation method using heat released by subsea volcanoes, and belongs to the field of utilization of new energy sources. The power generation method is characterized in that an energy collection system is arranged on a plane which is several meters away from a subsea volcano, a temperature difference power generation module which is fixedly arranged on a bracket of the energy collection system is used for utilizing top cool water with larger density to replace bottom hot water with smaller density, and the hot water is forced to flow upwards to enter the temperature difference power generation module; according to the thermoelectric effect, the thermal-electric conversion is realized by the temperature difference between the heat energy and the surrounding sea water, and the heat energy is stored into an energy storage battery. At a position which is farther away from the energy storage battery, by being connected with a charging station through a subsea cable, an autonomous underwater vehicle can be parked in the charging station, and a rechargeable battery which is carried by the autonomous underwater vehicle can be used for providing long-time stable in-place electric energy for applicable equipment, such as subsea ore operation, subsea area geology exploring and the like. The subsea power generation system has the advantages and characteristics that the working medium and movement part are not arranged; the noise is avoided, the maintenance cycle is long, the service life is long, the pollution to environment is avoided, and the reliability is high.

Description

A kind of seabed electricity generation system of utilization submarine hydrothermal solution energy
Technical field
The present invention relates to a kind of method being generated electricity using the heat energy that submarine volcano discharges, belong to using new forms of energy model Enclose.
Background technology
Ocean floor areal geology, the detection of geophysical information and control etc. all be unable to do without the long-term electric energy to relevant device and supply Give, to meet the needs of short distance navigation, information detection, communication;Geology crack area near submarine hydrothermal solution, is in key Moment passes through little equivalent blast and excites local submarine volcanic eruption, and the destructor hidden for a long time in its vicinity is also required to for a long time Stable electric energy supply, to meet the needs of communication, short distance navigation, detonating etc..How for these devices realize long-term Position electric energy supply has become as the key that deep-sea geology detects, controls with physical environment.
Submarine hydrothermal solution is that the energy heats sea water that the deep submarine volcano of several kms discharges is formed, the temperature at hydrothermal vent Degree, up to 400 DEG C, forms the larger temperature difference with the sea water in the range of around several meters, and exists steadily in the long term.Using this energy Source is simultaneously converted into electric energy, is expected to realize the electric energy supply in place of above-mentioned seabed installation.Traditional ocean thermal energy conversion is continued to use Ocean thermal gradients is first converted to mechanical energy by steam turbine technology, and then mechanical energy drives steam turbine to be generated electricity again.Whole system System energy conversion efficiency is low, bulky, it is complicated to control it is difficult in seabed long-term stable operation it is impossible to adapt to the demand.
Content of the invention
The main purpose of the technology of the present invention is exactly that the temperature difference power technology being generated electricity using temperature difference solves the Conventional marine temperature difference The steam turbine technology continued to use of generating electricity due to bulky, control complicated, be difficult in seabed long-term stable operation and seabed installation To the contradiction between the demand of electric energy in place steadily in the long term.
Thermograde near submarine volcano is not very big, and the temperature in the range of the number meter of volcano is still very high, therefore Energy collecting system is placed on suitable plane near submarine volcano, as shown in figure 1, under the larger cold water meeting of density ratio is rapid Fall replaces the less hot water of energy collecting system bottom density, will enter thermo-electric generation mould when hot water is forced to flow upward Block, based on pyroelectric effect, realizes thermo-electrically conversion using the temperature difference of this partial heat energy and surrounding seawater, and is stored in energy-storage battery In.(right in the charging station that can be stopped by submarine cable connection Autonomous Underwater Vehicle apart from energy-storage battery remote position Go to the station to meet somebody), when the rechargeable battery electric energy that Autonomous Underwater Vehicle carries is not enough, will be charged near charging station, Ran Houchong Newly devote oneself to work state.Just can be submarine mine masonry industry, benthic division beneficial to the rechargeable battery that Autonomous Underwater Vehicle carries The relevant devices such as domain geology detecting provide electric energy in place steady in a long-term.
Technical solution of the present invention is a kind of seabed electricity generation system of utilization submarine hydrothermal solution energy, and this system includes:Electric station, Energy storage station, charging station;Electric station includes:Support, electric station wall, temperature-difference power generation module;Described electric station wall is penetrating up and down Hourglass shape, including upper wall, waist, lower wall;Temperature-difference power generation module is arranged at the position near waist for the upper wall;The electricity that electric station sends Amount is delivered to energy storage station storage by submarine cable;Energy storage station connects charging station by submarine cable and carries out seabed to charging object Charge.
Further, described charging station includes:Storage battery, the primary side of inductive coupler, radiation table;Input cable passes through Storage battery connects the primary side of inductive coupler, and the primary side of described inductive coupler is installed in radiation table, radiation table shape For truncated cone, platform bottom radiates outlet for electric energy.
Further, facility potential device between described energy storage station and charging station, for the long distance transportation of electric energy.
Have the advantages that there is no working media and moving component based on the temperature difference power technology of Seebeck effect, thus have no Noise, maintenance period length, life-span length, and there is no the high feature of environmental pollution, reliability, can effectively solving ocean floor region ground The demand to electric energy steady in a long-term for the relevant device such as matter, the detection of geophysical information and control.
Brief description
Fig. 1 is the rendering of deep-sea hydrothermal thermo-electric generation overall plan;
1. the sea water of temperature relatively low (density is larger);2. by the hot water of submarine volcano energy warms (density is less);3. temperature Difference electricity generation module;4. sea bed;5. support;6. deep-sea hydrothermal vent;7. submarine cable;8. booster transformer;9. step-down transformer; 10. charging station (Docking station);12. Autonomous Underwater Vehicles.
Fig. 2 is the schematic diagram of temperature-difference power generation module;
1. temperature end;2. conductor;3. low-temperature end;4. energy-storage units;5. electronics;6. hole.
Fig. 3 is the schematic diagram of electric energy transmission system;
10. charging station (Docking station);11. inductive coupler primary side;12. Autonomous Underwater Vehicles;13. chargeable electricity Pond;14. inductive coupler pair level sides.
Specific embodiment
Firstth, energy collecting system
Thermograde near submarine volcano is not very big, and the temperature in the range of the number meter of volcano is still very high, such as Fig. 1 Shown, the plane (4) near submarine volcano is upper to place energy collecting system, now, in the porch density ratio that system is unlimited Larger cold water (1) can decline rapidly the replacement less hot water of system bottom density (2).Will when hot water is forced to flow upward Enter temperature-difference power generation module (Fig. 2), provide the thermal source (Fig. 2,1) needed for thermo-electric generation, whole temperature-difference power generation module is fixed on sea On the support (5) of bottom setting.Based on pyroelectric effect, realize thermo-electrically conversion using the temperature difference of this partial heat energy and surrounding seawater, and It is stored in charge storage unit (Fig. 2,4) inner.The charge storage unit of temperature-difference power generation module passes through submarine cable (7) with the energy-storage battery in seabed Connect, by the electric energy transfer in charge storage unit to energy-storage battery.According to the case of application of succeeding at deep-sea, there are two kinds Energy-storage battery is available:Lead-acid battery and lithium polymer battery.Lead-acid battery has highest cost performance, that is, store identical appearance The cost required for electric energy of amount is minimum, but compared to lithium polymer battery, lead-acid battery has less power density.Lithium The unique shortcoming of polymer battery is exactly that price comparison is expensive.Depending on the specific selection of energy-storage battery can be according to the situation of itself. In addition, temperature-difference power generation module has been widely used at present, just no longer describe its specific operation principle here in detail.
Secondth, electric energy transmission system
As shown in figure 3, electric energy transmission system mainly comprises three below link:Autonomous Underwater Vehicle (12), charging station (Docking station) (10) and charging modes.
First, the charging of seabed battery (13) can be carried out by electromagnetic induction, because the sensing of lithium ion battery is filled Electricity has been used widely.
In addition, Autonomous Underwater Vehicle (12) serves as, at deep-sea, the equipment needing energy for other provides the role of electric energy, Rechargeable battery (13) therefore must be configured.Carry the induction charging of battery (13) in order to complete Autonomous Underwater Vehicle, independently Submarine navigation device (12) must also be equipped with inductive coupler (14).
Finally, Autonomous Underwater Vehicle (12) is completed by inductive coupling with docking of charging station (10), inductive The primary side (11) of device is fixed on charging station (10), and inductive coupler pair level side (14) is arranged on Autonomous Underwater Vehicle (12) On, when battery (13) needs to charge, sonar or dynamic positioning system can guide Autonomous Underwater Vehicle (12) to lean on Nearly charging station (10), the Autonomous Underwater Vehicle (12) equipped with secondary inductor bonder with equipped with primary side inductive coupler Charging station (10) contact will trigger switch, system prepare charge, then pass through galvanomagnetic-effect Autonomous Underwater Vehicle (12) Entrained rechargeable battery (13) will charge.Charging station (10) seam is designed to cone shape.

Claims (3)

1. a kind of seabed electricity generation system of utilization submarine hydrothermal solution energy, this system includes:Electric station, energy storage station, charging station;Generate electricity Stand including:Support, electric station wall, temperature-difference power generation module;Described electric station wall is hourglass shape penetrating up and down, including upper wall, waist Portion, lower wall;Temperature-difference power generation module is arranged at the position near waist for the upper wall;The electricity that electric station sends is conveyed by submarine cable To energy storage station storage;Energy storage station connects charging station by submarine cable and carries out seabed charging to charging object.
2. as claimed in claim 1 a kind of seabed electricity generation system of utilization submarine hydrothermal solution energy it is characterised in that described charging station Including:Storage battery, the primary side of inductive coupler, radiation table;Input cable connects the main of inductive coupler by storage battery Side, the primary side of described inductive coupler is installed in radiation table, and radiation table is shaped as truncated cone, and platform bottom gives off for electric energy Mouthful.
3. as claimed in claim 1 a kind of seabed electricity generation system of utilization submarine hydrothermal solution energy it is characterised in that described energy storage station Facility potential device and charging station between, for the long distance transportation of electric energy.
CN201611112597.4A 2016-12-06 2016-12-06 Subsea power generation system utilizing energy of subsea heat liquid Pending CN106452190A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106939375A (en) * 2017-04-10 2017-07-11 青岛海洋地质研究所 Deep-sea hydrothermal metal sulfide gathers electrolysis system
CN108768212A (en) * 2018-06-12 2018-11-06 西安交通大学 A kind of energy source recovery apparatus of submarine navigation device
CN110165940A (en) * 2018-02-12 2019-08-23 波音公司 Underwater collection of energy unmanned plane and operating method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102644565A (en) * 2012-05-11 2012-08-22 集美大学 Ocean thermal energy and geothermal energy combined power generating system
CN104283463A (en) * 2014-10-31 2015-01-14 泰顺派友科技服务有限公司 Submarine hydrothermal solution thermoelectric power generation device
CN104852634A (en) * 2015-05-07 2015-08-19 浙江大学 Seafloor hydrothermal vent temperature difference energy power generating device
US20150292380A1 (en) * 2014-04-14 2015-10-15 Evident Technologies Efficiency and Reduced Emission for Internal Combustion Engines Using Thermoelectric-driven Electrolysis

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102644565A (en) * 2012-05-11 2012-08-22 集美大学 Ocean thermal energy and geothermal energy combined power generating system
US20150292380A1 (en) * 2014-04-14 2015-10-15 Evident Technologies Efficiency and Reduced Emission for Internal Combustion Engines Using Thermoelectric-driven Electrolysis
CN104283463A (en) * 2014-10-31 2015-01-14 泰顺派友科技服务有限公司 Submarine hydrothermal solution thermoelectric power generation device
CN104852634A (en) * 2015-05-07 2015-08-19 浙江大学 Seafloor hydrothermal vent temperature difference energy power generating device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106939375A (en) * 2017-04-10 2017-07-11 青岛海洋地质研究所 Deep-sea hydrothermal metal sulfide gathers electrolysis system
CN110165940A (en) * 2018-02-12 2019-08-23 波音公司 Underwater collection of energy unmanned plane and operating method
EP3524507B1 (en) * 2018-02-12 2021-09-01 The Boeing Company Underwater energy harvesting drone and method for operation
CN108768212A (en) * 2018-06-12 2018-11-06 西安交通大学 A kind of energy source recovery apparatus of submarine navigation device
CN108768212B (en) * 2018-06-12 2020-03-17 西安交通大学 Energy recovery device of underwater vehicle

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Application publication date: 20170222

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