阅读说明：本技术 一种用于水下潜行器的太阳能温差能复合发电系统 (Solar temperature difference energy composite power generation system for underwater vehicle ) 是由 �田润 何强 陈凌云 于 2021-09-14 设计创作，主要内容包括：本发明的目的在于提供一种用于水下潜行器的太阳能温差能复合发电系统,包括光伏组件、蓄电池、有机朗肯循环发电模块、相变储热模块,所述有机朗肯循环发电模块包括换热器、动力涡轮、闪蒸器、冷凝器、储液罐,所述相变储热模块包括导热硅脂、相变储热材料、热管。本发明在水面时进行光伏发电给蓄电池充电,相变材料储存太阳能光伏组件的余热在水下进行温差发电,潜行器在上浮和下潜的过程中透平发电装置进行电力储存,实现了水上水下“不间断”发电,解决了现有水下潜行器的单一能源与能量转化效率较低的技术问题,克服了现在水下潜行器无法保证续航的问题,从而解决水下潜行器的续航能力较短的技术难题,实现了水下潜行器的长续航。(The invention aims to provide a solar energy and temperature difference energy composite power generation system for an underwater vehicle, which comprises a photovoltaic assembly, a storage battery, an organic Rankine cycle power generation module and a phase change heat storage module, wherein the organic Rankine cycle power generation module comprises a heat exchanger, a power turbine, a flash evaporator, a condenser and a liquid storage tank, and the phase change heat storage module comprises heat conduction silicone grease, a phase change heat storage material and a heat pipe. The solar submersible vehicle is used for carrying out photovoltaic power generation to charge the storage battery when on the water surface, the phase-change material stores the waste heat of the solar photovoltaic component to carry out temperature difference power generation under water, the turbine power generation device stores power in the processes of floating and submerging of the submersible vehicle, thereby realizing the 'uninterrupted' power generation under water and water, solving the technical problem that the existing submersible vehicle has lower single energy and energy conversion efficiency, overcoming the problem that the existing submersible vehicle cannot ensure the endurance, further solving the technical problem that the endurance of the underwater submersible vehicle is shorter, and realizing the long endurance of the underwater submersible vehicle.)

1. A solar energy temperature difference energy composite power generation system for an underwater vehicle is characterized in that: the system comprises a photovoltaic module, a storage battery, an organic Rankine cycle power generation module and a phase change heat storage module, wherein the organic Rankine cycle power generation module comprises a heat exchanger, a power turbine, a flash evaporator, a condenser and a liquid storage tank, the phase change heat storage module comprises heat conduction silicone grease, a phase change heat storage material and a heat pipe, the photovoltaic module is connected with the storage battery through a voltage pre-charging controller, the heat conduction silicone grease is attached to the lower portion of the photovoltaic module and connected with the heat pipe, an outlet of the heat pipe comprises two paths, the first path is connected with a hot side inlet of the heat exchanger, the hot side outlet of the heat exchanger is connected with a heat pipe inlet through a first valve, the second path is connected with a phase change heat storage material inlet, the phase change heat storage material outlet is connected with the heat pipe inlet through a second valve, organic working media in the liquid storage tank are communicated with a cold side inlet of the heat exchanger through a working medium pump, a cold side outlet of the heat exchanger is connected with a flash evaporation gas inlet, an outlet of the flash evaporator is connected with the power turbine, superheated steam in the flash evaporator enters an inlet of the condenser through the power turbine, the outlet of the condenser is connected with the liquid storage tank, the power turbine is coaxial with the first generator, and the first generator is connected with the storage battery through the first inverter.

2. The solar thermoelectric hybrid power generation system for an underwater vehicle as set forth in claim 1, wherein: the phase-change heat storage material is provided with a thermoelectric generation piece, the thermoelectric generation piece is provided with a cooling channel, the condenser and the seawater form a circulation loop, and the thermoelectric generation piece is connected with the storage battery through a rectifying device.

3. The solar thermoelectric composite power generation system for a submersible vehicle as set forth in claim 1 or 2, wherein: the turbine generator is characterized by further comprising a turbine generating device, the turbine generating device comprises a shell, turbine blades are arranged in the shell and connected with a second generator through a rotating shaft, and the second generator is connected with a storage battery through a second inverter.

4. The solar thermoelectric hybrid power generation system for an underwater vehicle as set forth in claim 3, wherein: when the photovoltaic module is located water surface work, the electric energy generated by the photovoltaic module is input into the storage battery through voltage and the charging controller to realize power generation, meanwhile, the waste heat generated by the photovoltaic module is transmitted into the heat pipe through heat conduction silicone grease, the second valve is opened, the phase change heat storage material absorbs heat through the heat pipe to store heat, the first valve is opened, the organic working medium reaches the heat exchanger through the pump to absorb heat, superheated steam is formed through flash evaporation of the flash evaporator, the steam drives the first generator to work through the power turbine, the electric energy sent by the first generator is transmitted into the storage battery through the first inverter, the steam enters the condenser after the heat is transmitted into the condenser, the seawater is condensed into liquid as a cold end, and the liquid returns to the liquid storage tank to realize circulation.

5. The solar thermoelectric hybrid power generation system for an underwater vehicle as set forth in claim 3, wherein: when the photovoltaic module is positioned underwater, the second valve is closed, the thermoelectric generation piece takes the phase-change heat storage material as the hot end, the cooling channel for introducing seawater is used as the cold end for generating electricity, and the electric energy is input into the storage battery through the rectifying device.

6. The solar thermoelectric hybrid power generation system for an underwater vehicle as set forth in claim 3, wherein: when the photovoltaic module, the storage battery, the organic Rankine cycle power generation module and the phase change heat storage module submerge, the turbine blades rotate under the driving of water flow to drive the second power generator which is coaxially arranged to work, electric energy generated by the second power generator is transmitted to the storage battery through the second inversion device, and one working cycle is realized once when the second power generator floats and submerges.

Technical Field

The invention relates to a power generation system, in particular to a power generation system of an underwater vehicle.

Background

With the increasing exploration demand of people on marine resources, the underwater vehicle can carry out large-range uninterrupted marine resource exploration and underwater environment surveying and mapping, and has wide application prospect in the fields of marine resource exploration and the like. In the face of diversified and long-term observation tasks, the power supply of the underwater vehicle is the key to limit the long-term endurance work of the underwater vehicle. At present, an underwater vehicle is powered by a battery, when the battery needs to be replaced or charged, the underwater vehicle needs to emerge from the water surface to be in butt joint with a mother ship, and the problems of inconvenient battery disassembly, severe offshore operation environment, short service life of the battery and the like are severe. To address the power issues of vehicles, most research has focused on the utilization of ocean renewable energy.

The patent "a solar energy underwater robot" (CN203780780U) proposes to use solar energy to supply power to the underwater robot, and the system has better performance on the water surface, but the underwater robot cannot carry out long-term underwater cruising work due to single power source. The patent "ocean temperature difference energy power generation device and underwater detector" (CN104675648A) provides an ocean temperature difference energy power generation device based on solid-liquid phase change, and utilizes a phase change liquefaction material to drive a generator to generate electricity, but the temperature difference energy power generation device has the problem of low mechanical energy-electric energy conversion efficiency.

Disclosure of Invention

The invention aims to provide a solar energy and temperature difference energy composite power generation system for an underwater vehicle, which solves the technical problems of single power source and low energy conversion efficiency in the prior art, thereby solving the technical problems of short cruising ability of the underwater vehicle and the like.

The purpose of the invention is realized as follows:

the invention relates to a solar energy temperature difference energy composite power generation system for an underwater vehicle, which is characterized in that: the system comprises a photovoltaic module, a storage battery, an organic Rankine cycle power generation module and a phase change heat storage module, wherein the organic Rankine cycle power generation module comprises a heat exchanger, a power turbine, a flash evaporator, a condenser and a liquid storage tank, the phase change heat storage module comprises heat conduction silicone grease, a phase change heat storage material and a heat pipe, the photovoltaic module is connected with the storage battery through a voltage pre-charging controller, the heat conduction silicone grease is attached to the lower portion of the photovoltaic module and connected with the heat pipe, an outlet of the heat pipe comprises two paths, the first path is connected with a hot side inlet of the heat exchanger, the hot side outlet of the heat exchanger is connected with a heat pipe inlet through a first valve, the second path is connected with a phase change heat storage material inlet, the phase change heat storage material outlet is connected with the heat pipe inlet through a second valve, organic working media in the liquid storage tank are communicated with a cold side inlet of the heat exchanger through a working medium pump, a cold side outlet of the heat exchanger is connected with a flash evaporation gas inlet, an outlet of the flash evaporator is connected with the power turbine, superheated steam in the flash evaporator enters an inlet of the condenser through the power turbine, the outlet of the condenser is connected with the liquid storage tank, the power turbine is coaxial with the first generator, and the first generator is connected with the storage battery through the first inverter.

The present invention may further comprise:

1. the phase-change heat storage material is provided with a thermoelectric generation piece, the thermoelectric generation piece is provided with a cooling channel, the condenser and the seawater form a circulation loop, and the thermoelectric generation piece is connected with the storage battery through a rectifying device.

2. The turbine generator is characterized by further comprising a turbine generating device, the turbine generating device comprises a shell, turbine blades are arranged in the shell and connected with a second generator through a rotating shaft, and the second generator is connected with a storage battery through a second inverter.

3. When the photovoltaic module is located water surface work, the electric energy generated by the photovoltaic module is input into the storage battery through voltage and the charging controller to realize power generation, meanwhile, the waste heat generated by the photovoltaic module is transmitted into the heat pipe through heat conduction silicone grease, the second valve is opened, the phase change heat storage material absorbs heat through the heat pipe to store heat, the first valve is opened, the organic working medium reaches the heat exchanger through the pump to absorb heat, superheated steam is formed through flash evaporation of the flash evaporator, the steam drives the first generator to work through the power turbine, the electric energy sent by the first generator is transmitted into the storage battery through the first inverter, the steam enters the condenser after the heat is transmitted into the condenser, the seawater is condensed into liquid as a cold end, and the liquid returns to the liquid storage tank to realize circulation.

4. When the photovoltaic module is positioned underwater, the second valve is closed, the thermoelectric generation piece takes the phase-change heat storage material as the hot end, the cooling channel for introducing seawater is used as the cold end for generating electricity, and the electric energy is input into the storage battery through the rectifying device.

5. When the photovoltaic module, the storage battery, the organic Rankine cycle power generation module and the phase change heat storage module submerge, the turbine blades rotate under the driving of water flow to drive the second power generator which is coaxially arranged to work, electric energy generated by the second power generator is transmitted to the storage battery through the second inversion device, and one working cycle is realized once when the second power generator floats and submerges.

The invention has the advantages that: according to the solar energy-temperature difference energy composite power generation system for the underwater vehicle, when the vehicle is on the water surface, photovoltaic power generation is carried out through the solar power generation module to provide power for a load and simultaneously charge the storage battery, meanwhile, the phase change material stores the waste heat of the solar photovoltaic module to carry out temperature difference power generation underwater, and the turbine power generation device stores the power in the floating and submerging processes of the vehicle, so that the overwater and underwater uninterrupted power generation is realized, the technical problem that the single energy and energy conversion efficiency of the existing underwater vehicle is low is solved, the problem that the existing underwater vehicle cannot guarantee the endurance is overcome, the technical problem that the endurance of the underwater vehicle is short is solved, and the long endurance of the underwater vehicle is realized.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the turbine power plant of the present invention.

Detailed Description

The invention will now be described in more detail by way of example with reference to the accompanying drawings in which:

with reference to fig. 1-2, the invention relates to a solar energy-temperature difference energy composite power generation system for an underwater vehicle, which comprises a solar power generation module, a phase change heat storage module, a temperature difference power generation module, an organic rankine cycle power generation module and a turbine power generation device power generation module. The device specifically comprises a photovoltaic module 1, a voltage and charge controller 2, an inverter 3, a storage battery 4, a generator 5, a rectifying device 6, an inverter 7, a generator 8, a turbine power generation device 9, a phase-change heat storage material 10, a thermoelectric generation piece 11, a condenser 12, a power turbine 13, a flash evaporator 14, a heat exchanger 15, a heat pipe 16, heat-conducting silicone grease 17, a valve 18, a valve 19, a working medium pump 20, a liquid storage tank 21, deep seawater 22 and a cooling channel 23.

The solar power generation module comprises a photovoltaic module 1 and a voltage and charge controller 2, wherein the photovoltaic module 1 is connected with the charge controller 2 and a storage battery 4 through voltage.

The phase change heat storage module comprises heat conduction silicone grease 17, a phase change heat storage material 10, a heat pipe 16 and a stop valve, wherein the heat conduction silicone grease 17 is attached to the lower portion of the photovoltaic module 1 and connected with the serpentine heat pipe 16, a working medium in the heat pipe 16 absorbs heat and then is divided into two paths to be controlled through the stop valve, one path is connected with an inlet of a heat side of the heat exchanger 15, an outlet of the heat side of the heat exchanger 15 is connected with an inlet of the heat pipe 16, the other path is connected with the phase change heat storage material 10, the heat is released and then flows back through the heat pipe 16, and finally the heat returns to the photovoltaic module 1 to form a closed loop.

The thermoelectric generation module comprises a thermoelectric generation device and a rectifying device 6, the thermoelectric generation device comprises a thermoelectric generation assembly and a cooling channel 23, and the thermoelectric generation device is connected with the storage battery 4 through the rectifying device 6.

The organic Rankine cycle power generation module comprises a heat exchanger 15, a liquid storage tank 21, a power turbine 13, a generator 5, a condenser 12, a working medium pump 20, an inverter 3 and a flash evaporator 14, wherein an organic working medium passes through the working medium pump 20 and is connected with a cold side inlet of the heat exchanger 15, a cold side outlet of the heat exchanger 15 is connected with an inlet of the flash evaporator 14, an outlet of the flash evaporator 14 is connected with the power turbine 13, superheated steam passes through the power turbine 13 and then enters an inlet of the condenser 12, and an outlet of the condenser 12 is connected with the liquid storage tank 21. The power turbine 13 is arranged coaxially with the generator 5, and the generator 5 is connected with the storage battery 4 through the inverter device 3.

The power generation module of the turbine power generation device comprises a turbine power generation device 9, a power generator 8, a rotating shaft 24 and a voltage stabilizer 7, the turbine power generation device is installed in the middle of the underwater submersible vehicle, the power generator 8 and the turbine power generation device 9 are coaxially arranged, and the power generator 8 is connected with the storage battery 4 through the voltage stabilizer 7.

The photovoltaic component 1 and the heat pipe 16 conduct heat, the heat pipe 16 conducts heat to the phase change heat storage material 10, and the temperature difference power generation component directly converts temperature difference energy into electric energy by taking the phase change heat storage material 10 as a heat source and deep seawater 22 as a cold source.

The solar power generation module and the thermoelectric power generation module are used as main energy conversion devices for supplying power.

The power generation module of the turbine power generation device 9 utilizes the gravitational potential energy of the underwater vehicle when the underwater vehicle submerges, so that the turbine power generation device drives the generator 8 to rotate through the rotating shaft 24 and further converts the power into electric energy.

The high temperature of the photovoltaic module 1 is utilized to exchange heat with the organic working medium in the heat exchanger 15. The flash evaporator 14 causes the organic working fluid to evaporate into superheated steam. The seawater is directly used as cooling water of the condenser 12, and a cooling water tank is not added separately. The organic Rankine cycle power generation module is used for generating power by utilizing the temperature difference between the waste heat of the photovoltaic module 1 and the deep seawater 22.

As shown in fig. 2, the turbine power generation module includes a generator 8, a rotating shaft 24, a casing 25, and turbine blades 26.

When the underwater vehicle is on the water surface, the photovoltaic component 1 works, the generated electric energy is input into the storage battery 4 through the voltage and the charging controller 2 to realize power generation, and meanwhile, the waste heat generated by the photovoltaic component 1 is transmitted into the heat pipe 16 through the heat-conducting silicone grease, so that the temperature of the photovoltaic component 1 is reduced, and the solar power generation efficiency is improved. The valve 19 is opened, and the phase change heat reservoir 10 absorbs heat through the heat pipe to store heat. The valve 18 is opened, organic working medium in the organic Rankine cycle power generation module reaches the heat exchanger 15 through the pump 20 to absorb heat, the organic working medium continuously advances to be flashed through the flash evaporator 14 to form superheated steam, the steam passes through the power turbine 13 to drive the generator 5 to work, electric energy generated by the generator 5 is transmitted into the storage battery 4 through the inverter device 3, then the steam enters the condenser 12, deep seawater 22 is condensed into liquid by taking the deep seawater as a cold end, and the liquid returns to the liquid storage tank 21 to realize circulation.

When the underwater vehicle is underwater, the valve 19 is closed, the thermoelectric generation piece 11 takes the phase-change heat storage material 10 as a hot end and takes the cooling channel 23 for introducing deep seawater 22 as a cold end to generate electricity, and the electric energy is input into the storage battery 5 through the rectifying device 6.

When the underwater vehicle submerges, the axial-flow type generator 9 positioned in the middle of the underwater vehicle is driven by water flow to rotate so as to drive the coaxially arranged generator 8 to work, electric energy generated by the generator 8 is transmitted to the storage battery 5 through the inverter 7, and one working cycle is realized when the underwater vehicle is floated and submerged.