【摘要】：隨著社會的不斷進步與發(fā)展,人們對資源的需求越來越大,能源問題日益嚴重,傳統(tǒng)陸上能源已經(jīng)不能滿足社會發(fā)展所帶來的巨大需求,人類的步伐從陸地逐步邁向了海洋。但是我國在海洋工程領域的相關技術跟國外發(fā)達國家還有較大的差距,水下控制模塊及其液壓系統(tǒng)相關技術的研究還比較落后。因此論文對水下控制模塊的液壓系統(tǒng)進行了設計,重點研究了長軟管對液壓系統(tǒng)響應的影響,對其建立了數(shù)學模型,主要對長軟管的液阻、液容與液感進行了理論推導和分析,并進行了多種工況下的仿真研究。論文是在對水下控制模塊及其液壓系統(tǒng)等深入調(diào)研的基礎上,明確了水下控制模塊液壓系統(tǒng)的組成及其工作原理,針對水下控制模塊的設計指標和性能要求以及其工作環(huán)境,提出水下控制模塊液壓系統(tǒng)的總體方案、液壓動力源的方案以及閥的集成方案。在水下控制模塊液壓系統(tǒng)總體方案的基礎上進行了詳細的設計計算,主要包括對高低壓系統(tǒng)回路進行了各段管徑和壓力損失的計算以及液壓源的液壓泵和電機等相關的設計計算。同時進行了主要元件的選型包括電液換向閥、液壓泵、電機、水下蓄能器等,還進行了液壓閥塊的設計和強度校核。重點研究分析了水下控制模塊液壓系統(tǒng)長軟管對閥執(zhí)行器的動態(tài)響應造成的影響,應用相似系統(tǒng)原理對液壓系統(tǒng)長軟管進行數(shù)學建模,主要對長軟管的液阻、液容與液感進行了理論推導和分析,以此來研究長軟管液阻特性。應用AMESim軟件對水下控制模塊液壓系統(tǒng)進行仿真分析,包括液壓動力源、閥執(zhí)行器及液壓長軟管的建模,高壓系統(tǒng)和低壓系統(tǒng)在不同的工況下的仿真研究,重點分析液壓系統(tǒng)在相繼驅動多個執(zhí)行器的工況的情況下相互干涉問題,同時進行了不同管徑情況下蓄能器的充壓過程仿真以及不同長度的液壓軟管對執(zhí)行器響應造成的影響仿真分析。我國在水下控制模塊及其液壓系統(tǒng)相關技術方面的研究與發(fā)達國家還有一定的差距。因此論文對水下控制模塊液壓系統(tǒng)的研究具有重要意義,為后續(xù)研究工作提供了參考及可借鑒的經(jīng)驗。
[Abstract]:With the continuous progress and development of society, the demand for resources is increasing, the energy problem is becoming more and more serious, the traditional land-based energy can not meet the huge demand brought by the social development, and the pace of human beings has gradually moved from the land to the sea. However, there is still a big gap between China and the developed countries in the field of ocean engineering, and the research of underwater control module and its hydraulic system is still relatively backward. In this paper, the hydraulic system of underwater control module is designed, and the influence of long hose on the response of hydraulic system is studied, and the mathematical model is established. The theoretical derivation and analysis of liquid resistance, liquid volume and liquid sense of long hose are carried out. And the simulation research is carried out under various working conditions. Based on the deep investigation of the underwater control module and its hydraulic system, this paper clarifies the composition and working principle of the underwater control module hydraulic system, aiming at the design index, performance requirement and working environment of the underwater control module. The overall scheme of hydraulic system of underwater control module, the scheme of hydraulic power source and the integrated scheme of valve are put forward. On the basis of the overall scheme of hydraulic system of underwater control module, the detailed design and calculation are carried out. This paper mainly includes the calculation of pipe diameter and pressure loss of high and low pressure system loop and the design calculation of hydraulic pump and motor of hydraulic source. At the same time, the selection of main components includes electro-hydraulic directional valve, hydraulic pump, motor, underwater accumulator and so on. The design and strength check of hydraulic valve block are also carried out. The influence of the long hose of the hydraulic system on the dynamic response of the valve actuator is mainly studied and analyzed. The mathematical model of the long hose of the hydraulic system is established by using the principle of similar system, and the hydraulic resistance of the long hose is mainly studied. The liquid volume and inductance are theoretically deduced and analyzed to study the hydraulic resistance of long hose. The hydraulic system of underwater control module is simulated and analyzed by AMESim software, including the modeling of hydraulic power source, valve actuator and long hydraulic hose, and the simulation research of high pressure system and low pressure system under different working conditions. Emphasis is placed on the analysis of the interference between hydraulic systems under the condition of multiple actuators being driven one after another. At the same time, the simulation of the charging process of the accumulator under different pipe diameter and the simulation analysis of the effect of hydraulic hose of different length on the actuator response are carried out. There is still a gap between China and developed countries in the research of underwater control module and its hydraulic system. Therefore, this paper is of great significance to the research of hydraulic system of underwater control module, and provides reference and experience for further research work.
【學位授予單位】：哈爾濱工程大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：TH137;TE97

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