Solid-liquid phase change-based ocean temperature difference energy conversion process simulation test device and method

Abstract

The invention discloses a solid-liquid phase change-based ocean temperature difference energy conversion process simulation test device and method. The device comprises a heat exchange unit, a hydraulic unit, a transmission unit, an electricity storage unit and a data collector; the heat exchange unit comprises a cold-heat exchanger, a constant-temperature water tank, a temperature sensor and a heat exchanger; the hydraulic unit comprises a one-way valve, an energy accumulator, a pressure sensor, an electromagnetic valve, an adjustable throttle valve, a hydraulic motor, a flow sensor, a pressure regulating valve, a liquid level sensor, an oil tank and hydraulic pipes, wherein the hydraulic pipes are located among hydraulic devices; the transmission unit comprises a coupler, a speed sensor,a torque sensor, a speed reducer and a generator; the electricity storage unit comprises a rectifier bridge module, a storage battery, a current sensor and a voltage sensor. According to the device,indoor multivariable simulation testing is carried out on an ocean temperature difference energy conversion process based on a solid-liquid phase change mechanism. The device has the advantages of being accurate in measurement data, capable of continuously collecting data, high in automation degree, high in universality and the like.

Description

technical field [0001] The invention belongs to the technical field of ocean temperature difference energy conversion testing, and in particular relates to a device and method for carrying out simulation tests on ocean temperature difference energy generation and underwater buoyancy driving process using a solid-liquid phase transition mechanism. Background technique [0002] The ocean temperature difference energy conversion process based on the solid-liquid phase change mechanism refers to the use of the periodic thermal expansion and contraction characteristics of phase change materials to realize the conversion of ocean temperature difference thermal energy to hydraulic energy. The hydraulic oil released by the accumulator can realize the underwater vehicle The buoyancy drives or drives the hydraulic motor and generator assembly to obtain electrical energy. At present, countries around the world have successively carried out research on temperature difference energy driv...

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Problems solved by technology

[0003] However, there are still many deficiencies in the existing test technology for simulating the energy conversion of ocean temperature difference: 1. The cost of deep-water sea trials for the prototype of ocean temperature difference energy generation and underwater buoyancy drive system is extremely high; 2. Due to fluctuations in ocean hydrological conditions and temperature conditions, The test data is highly uncertain, and there is no unified and consistent initial condition; 3. The window period of the deep-water sea test in the field is short, and the test conditions are harsh; 4. It is impossible to carry out the internal system parameter matching test, and it is difficult to obtain the optimal combination of system parameters; 5. The prototype High risk of failure and loss

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