本文選題：BACnet協(xié)議 + 空調(diào)冷源系統(tǒng)��； 參考：《蘇州科技大學(xué)》2017年碩士論文

【摘要】：中央空調(diào)系統(tǒng)的能耗占到了建筑總能耗的60%左右,在節(jié)能降耗的社會(huì)背景下,對(duì)空調(diào)系統(tǒng)進(jìn)行節(jié)能研究具有很大意義。當(dāng)前主要有軟件模擬、微小系統(tǒng)模擬和項(xiàng)目實(shí)踐等方法來(lái)研究空調(diào)系統(tǒng)整體的節(jié)能潛力,本文總結(jié)了這些方法的缺點(diǎn),構(gòu)建了一種模擬數(shù)據(jù)較精確且操作相對(duì)簡(jiǎn)單的空調(diào)冷源系統(tǒng)仿真實(shí)驗(yàn)臺(tái)。本文從空調(diào)冷源系統(tǒng)中的冷水機(jī)組、冷凍水泵、冷卻水泵和冷卻塔這四大部分的結(jié)構(gòu)和原理入手,建立了這四部分主要設(shè)備的能耗模型,另外也設(shè)計(jì)了該仿真實(shí)驗(yàn)臺(tái)的手自動(dòng)控制邏輯以及實(shí)驗(yàn)臺(tái)中各模擬設(shè)備的啟停順序、故障模擬等控制邏輯。摒棄了現(xiàn)有的通過(guò)復(fù)雜程序代碼來(lái)實(shí)現(xiàn)能耗模型輸入實(shí)驗(yàn)臺(tái)的方法,將VisualLogic圖形化功能模塊編程軟件運(yùn)用到實(shí)驗(yàn)臺(tái)中,使實(shí)驗(yàn)臺(tái)的控制程序編輯變得簡(jiǎn)便。此外,本實(shí)驗(yàn)臺(tái)將Alerton樓宇自控系統(tǒng)與空調(diào)冷源系統(tǒng)仿真實(shí)驗(yàn)臺(tái)結(jié)合到一起,使得實(shí)驗(yàn)臺(tái)的運(yùn)行數(shù)據(jù)可實(shí)時(shí)傳輸?shù)阶钥叵到y(tǒng)中,自控系統(tǒng)也可實(shí)現(xiàn)對(duì)實(shí)驗(yàn)臺(tái)的控制,從而形成一種新型的基于BACnet的空調(diào)冷源系統(tǒng)仿真實(shí)驗(yàn)臺(tái)。最后以蘇州市某制藥廠的空調(diào)冷源系統(tǒng)工程為例,來(lái)驗(yàn)證該仿真實(shí)驗(yàn)臺(tái)的可操作性及模擬數(shù)據(jù)的準(zhǔn)確性。用系統(tǒng)實(shí)測(cè)數(shù)據(jù)及部分設(shè)備樣本數(shù)據(jù)擬合出空調(diào)冷源系統(tǒng)能耗模型中的各未知參數(shù),將能耗模型轉(zhuǎn)化為實(shí)驗(yàn)臺(tái)控制程序后,可形成針對(duì)該制藥廠的空調(diào)冷源系統(tǒng)的仿真實(shí)驗(yàn)臺(tái)。以冷水機(jī)組為例,將某段時(shí)間內(nèi)冷水機(jī)組能耗的實(shí)測(cè)數(shù)據(jù)與實(shí)驗(yàn)臺(tái)模擬出的數(shù)據(jù)進(jìn)行對(duì)比,結(jié)果表明兩者誤差小于5.4%。采用該仿真實(shí)驗(yàn)臺(tái)并結(jié)合BIN方法可模擬計(jì)算出供冷區(qū)域的空調(diào)冷源系統(tǒng)全年能耗。以該制藥廠某車(chē)間為例,得出該車(chē)間的空調(diào)冷源系統(tǒng)的全年耗電量為194.6萬(wàn)kW/h。
[Abstract]:The energy consumption of central air conditioning system accounts for about 60% of the total building energy consumption. Under the background of energy saving and consumption reduction, it is of great significance to study the energy saving of air conditioning system. At present, there are several methods, such as software simulation, micro system simulation and project practice, to study the energy saving potential of air conditioning system as a whole. In this paper, the shortcomings of these methods are summarized. An air conditioning cold source system simulation bench with accurate simulation data and relatively simple operation is constructed. This paper starts with the structure and principle of four major parts of chiller, chilled water pump, cooling water pump and cooling tower in the cold source system of air conditioning, and establishes the energy consumption model of these four main equipments. In addition, the manual automatic control logic of the simulator, the starting and stopping sequence of the simulation equipment and the control logic of the fault simulation are also designed. The existing method of energy consumption model input into the test bench by complex program code is abandoned, and the VisualLogic graphical function module programming software is applied to the test bench, which makes the control program editing of the test bench easy. In addition, the Alerton building automatic control system is combined with the air conditioning cold source system simulation test bench, so that the operation data of the experimental platform can be transmitted to the automatic control system in real time, and the automatic control system can also realize the control of the experimental platform. Thus a new type of air conditioning cold source system simulation test bench based on BACnet is formed. Finally, taking the cold source system engineering of a pharmaceutical factory in Suzhou as an example, the maneuverability of the simulation bench and the accuracy of the simulation data are verified. The unknown parameters of the energy consumption model of air conditioning cold source system are fitted with the measured data of the system and the sample data of some equipments. After the energy consumption model is transformed into the control program of the experimental bench, the simulation test bench for the cold source system of the air conditioning system in the pharmaceutical factory can be formed. Taking the chillers as an example, the measured energy consumption data of the chillers in a certain period of time are compared with the simulated data of the test bench. The results show that the errors between the two are less than 5.4. The annual energy consumption of air conditioning cold source system in cooling area can be calculated by using the simulation bench and BIN method. Taking a workshop of the pharmaceutical factory as an example, it is concluded that the annual power consumption of the air-conditioning cold source system in the workshop is 1.946 million kW / h.
【學(xué)位授予單位】：蘇州科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類(lèi)號(hào)】：TU831

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本文編號(hào)：1968969