家用電冰箱能耗分析及測(cè)試系統(tǒng)設(shè)計(jì)
本文選題:冰箱 + 能耗分析; 參考:《中國(guó)計(jì)量學(xué)院》2014年碩士論文
【摘要】:家用電冰箱作為生活中必不可少的家電產(chǎn)品,,它的能耗問(wèn)題備受關(guān)注。冰箱的節(jié)能方法有很多,如改善冰箱結(jié)構(gòu)、改進(jìn)溫度控制系統(tǒng)等,但仍存在一些難度大、工作量大或成本高等不足。實(shí)驗(yàn)分析冰箱能耗時(shí),需要通過(guò)冰箱能耗測(cè)試系統(tǒng)實(shí)現(xiàn)。但現(xiàn)在能耗測(cè)試系統(tǒng)存在不易維護(hù)、軟件編程周期長(zhǎng)等問(wèn)題。 本課題圍繞冰箱能耗分析和冰箱能耗測(cè)試兩方面展開(kāi)研究。一方面,從理論、實(shí)驗(yàn)兩方面詳細(xì)分析冰箱能耗的影響因素,提出一種溫度設(shè)定值補(bǔ)償方法;另一方面,設(shè)計(jì)一套冰箱能耗測(cè)試系統(tǒng),實(shí)現(xiàn)準(zhǔn)確、自動(dòng)的測(cè)量冰箱耗電量。主要工作圍繞以下五點(diǎn)展開(kāi): (1)冰箱能耗理論研究:根據(jù)冰箱的工作原理,并結(jié)合熱力學(xué)知識(shí)總結(jié)出冰箱功率表達(dá)式;根據(jù)冰箱的結(jié)構(gòu)以及冰箱運(yùn)行狀態(tài),推導(dǎo)出冰箱能耗數(shù)學(xué)模型;通過(guò)該模型可得出冰箱能耗的影響因素有環(huán)境溫度、冷凍室溫度、冷藏室溫度和壓縮機(jī)時(shí)間。 (2)冰箱能耗測(cè)試系統(tǒng)設(shè)計(jì):設(shè)計(jì)一套基于虛擬儀器的冰箱能耗測(cè)試系統(tǒng)。硬件部分包括恒溫恒濕實(shí)驗(yàn)室、空調(diào)系統(tǒng)和綜合測(cè)試系統(tǒng);軟件部分采用圖形化語(yǔ)言LabVIEW,實(shí)現(xiàn)的主要功能有系統(tǒng)設(shè)置、參數(shù)設(shè)置、實(shí)時(shí)顯示、歷史數(shù)據(jù)查詢和遠(yuǎn)程監(jiān)控。 (3)冰箱能耗實(shí)驗(yàn)分析:進(jìn)行冰箱能耗模型驗(yàn)證實(shí)驗(yàn),結(jié)果表明冰箱能耗模型中耗電量計(jì)算值與實(shí)驗(yàn)測(cè)試值的平均相對(duì)誤差為5.1%,證明該能耗模型具有可使用性;通過(guò)實(shí)驗(yàn)總結(jié)出冰箱實(shí)際使用過(guò)程中環(huán)境溫度、溫控位置、冰箱內(nèi)溫度對(duì)耗電量影響比較大。 (4)溫度設(shè)定值補(bǔ)償方法的研究:提出一種根據(jù)環(huán)境溫度、溫度設(shè)定值、溫度設(shè)定值與冰箱冷藏室溫度的差值,對(duì)溫度設(shè)定值小幅度補(bǔ)償?shù)姆椒ā8鶕?jù)冰箱內(nèi)溫度的特點(diǎn),選用模糊控制算法計(jì)算溫度設(shè)定值的補(bǔ)償值,并進(jìn)行仿真研究,仿真結(jié)果符合設(shè)計(jì)目標(biāo)。 (5)冰箱能耗測(cè)試系統(tǒng)不確定度分析:利用GUM評(píng)定方法,對(duì)冰箱能耗測(cè)試結(jié)果進(jìn)行不確定度評(píng)定,相對(duì)不確定度小于5%,測(cè)試結(jié)果可靠。
[Abstract]:As a necessary household appliance product, the energy consumption of household refrigerator has attracted much attention. There are many energy-saving methods for refrigerators, such as improving the structure of refrigerators and improving temperature control systems, but there are still some disadvantages such as great difficulty, heavy workload or high cost. Experimental analysis of refrigerator energy consumption, need to be implemented through the refrigerator energy consumption testing system. However, the current energy consumption testing system is difficult to maintain, software programming cycle is long and so on. This thesis focuses on the analysis of refrigerator energy consumption and the test of refrigerator energy consumption. On the one hand, the influence factors of refrigerator energy consumption are analyzed in detail from two aspects of theory and experiment, and a compensation method of temperature setting value is put forward. On the other hand, a set of refrigerator energy consumption test system is designed to realize accurate and automatic measurement of refrigerator energy consumption. The main work focuses on the following five points: 1) theoretical study on energy consumption of refrigerator: according to the working principle of refrigerator and combined with thermodynamic knowledge, the power expression of refrigerator is summarized, and the mathematical model of energy consumption of refrigerator is deduced according to the structure of refrigerator and the state of operation of refrigerator. The influence factors of refrigerator energy consumption are ambient temperature, freezing room temperature, freezer temperature and compressor time. Design of refrigerator energy consumption test system: design a refrigerator energy consumption test system based on virtual instrument. The hardware part includes the constant temperature and humidity laboratory, the air conditioning system and the comprehensive test system, and the software part uses the graphical language LabVIEW to realize the main functions such as system setting, parameter setting, real-time display, historical data query and remote monitoring. (3) Experimental analysis of refrigerator energy consumption: the results show that the average relative error between the calculated value of energy consumption and the experimental value is 5.1, which proves that the model is usable. It is concluded that the environmental temperature, the temperature control position and the temperature in the refrigerator have a great influence on the power consumption in the process of practical use of the refrigerator. (4) study on the compensation method of temperature setting value: a small compensation method of temperature setting value is put forward according to the difference between ambient temperature, temperature setting value and refrigerator temperature. According to the characteristics of the temperature in the refrigerator, the fuzzy control algorithm is used to calculate the compensation value of the temperature set value, and the simulation research is carried out. The simulation results are in line with the design goal. Uncertainty analysis of refrigerator energy consumption test system: using GUM evaluation method, the uncertainty of the test results of refrigerator energy consumption is evaluated, the relative uncertainty is less than 5, and the test results are reliable.
【學(xué)位授予單位】:中國(guó)計(jì)量學(xué)院
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2014
【分類號(hào)】:TM925.21
【參考文獻(xiàn)】
相關(guān)期刊論文 前10條
1 彭金華;舒少龍;林峰;黃志強(qiáng);;家庭能耗管理系統(tǒng)研究綜述[J];電力需求側(cè)管理;2011年01期
2 趙明富,張聰品,吳東芳;電冰箱模糊控制的算法及應(yīng)用[J];河南師范大學(xué)學(xué)報(bào)(自然科學(xué)版);2005年02期
3 蔣琳;陳俊;戴洪波;;冰箱節(jié)能技術(shù)的實(shí)例研究[J];家電科技;2011年06期
4 袁野;何春林;;VAISALA溫濕度傳感器工作原理及校準(zhǔn)[J];空中交通管理;2009年04期
5 申雪峰,朱根才;冰箱制冷速度檢測(cè)系統(tǒng)[J];數(shù)據(jù)采集與處理;1997年03期
6 張順;祝龍記;周香診;;基于ARM電冰箱模糊控制系統(tǒng)的仿真與設(shè)計(jì)[J];微計(jì)算機(jī)信息;2007年02期
7 高占鳳;杜彥良;劉玉紅;徐紅;;基于LabVIEW的遠(yuǎn)程數(shù)據(jù)采集與傳輸系統(tǒng)[J];微電子學(xué)與計(jì)算機(jī);2007年03期
8 賴根,肖明清,夏銳,王學(xué)奇;國(guó)外自動(dòng)測(cè)試系統(tǒng)發(fā)展現(xiàn)狀綜述[J];探測(cè)與控制學(xué)報(bào);2005年03期
9 李銀華,張宏偉;模糊控制技術(shù)在電冰箱中的應(yīng)用[J];儀表技術(shù)與傳感器;1999年07期
10 崔哲;崔坤理;袁廣超;丁東旭;;恒溫供水風(fēng)冷冷水機(jī)組的研制[J];制冷;2008年04期
本文編號(hào):1931571
本文鏈接:http://sikaile.net/kejilunwen/dianlilw/1931571.html