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摘要:本課題根據(jù)《GB/T7725－2004房間空調器》要求，為某空調器生產(chǎn)廠家建設完成制冷量適用范圍為2350W~12000W的房間空調器檢測設備，用以檢測機組的各性能參數(shù)，并最終計算得到機組的COP值。本文探討了采用焓差法測定空調器制冷或制熱量的試驗裝置的布置設計，對空調器焓差法試驗室的主要部件: 試驗室圍護結構、室內側空氣再調節(jié)機組、室外側空氣再調節(jié)機組以及風量測量裝置。在設計過程中, 利用其理論計算結果, 結合實際要求, 選擇各部件的配置量。 制冷空調產(chǎn)品的性能參數(shù)一般由制冷量、冷卻能力、降溫速率、性能系數(shù)、輸入功率和能耗比等主要參數(shù)所組成。這些參數(shù)的測試大都不能直接測量,必須在人工模擬環(huán)境下,在持續(xù)穩(wěn)定的狀態(tài)中,先測量這些參數(shù)的某些相關物理量,再經(jīng)計算,才間接得出測試結果。房間空調器的制冷、制熱量可以采用房間型量熱計法或空氣焓差法進行測量和計算?？諝忪什罘ㄊ峭ㄟ^測量空調器進口及出口的空氣的焓值和循環(huán)風量,以此來確定空調器的制冷量的一種性能測試方法。這種方法具有快速、方便、投資少、測試精度滿足生產(chǎn)要求的優(yōu)點,它是國標規(guī)定的常用測試方法之一。目前,這種測試方法廣泛應用于空調生產(chǎn)企業(yè)和一部分技術部門。但對于焓差法試驗臺的設計布置,根據(jù)試驗設備、場地、具體實驗條件等的不同,所采取的方法是不相同的,而試驗裝置設計布置得合理與否也直接影響到試驗測試的準確性。我們主要對測試制冷量為2350W~12000W的空調器的焓差法試驗裝置的設計布置和使用進行探討。 我國目前的能源現(xiàn)狀要求空調行業(yè)把節(jié)能放在重要位置，堅持節(jié)能環(huán)保并重的和諧發(fā)展道路。為此降低能耗、開發(fā)高性價比的新型節(jié)能產(chǎn)品, 成為制冷空調企業(yè)面臨的嚴峻考驗, 而如何正確評價和測量新產(chǎn)品節(jié)能效果, 提高檢測技術, 則為當前迫切需要解決的重要課題。房間空調器性能試驗系統(tǒng)設計的合理與否，測試精度的高低與否，將影響空調器性能的準確測定。本課題即為測試空調性能的焓差實驗室設計。 關鍵詞：焓差法，設計，選型，空調器， 實驗室
Abstract:According to the requirement of Room Air Conditioners(GB/T7725-2004),the monitoring device of room air conditioners in the range of 2350W~12000W for the air conditioning unit manufacture was constructed to measure the performance parameters of unit and calculate COP of the uint finally. The paper describes design of the experiment device which using enthalpy different method to determine ref rigerating capacity or heating capacity of air conditioners.For the main components of Air Conditioner enthalpy difference laboratory: Laboratory building envelope, interior side of the air conditioning units, outside the room of air conditioning units and air flow measurement device. In the design process, the use of their theoretical results, combined with practical requirements, select the configuration of the amount of each component. Performance parameters of refrigeration and air conditioning products are constituted by The main parameters for exemple Cooling capacity, cooling capacity, cooling rate, coefficient of performance, power and energy than the input and so on. All most of the test of The parameters Can not be measured directly. Artificial environment must be in steady state, the first measurement of some relevant physical quantities of these parameters, and then by calculation, the test results obtained only indirectly. Room air conditioner's cooling, heating capacity can use the room-type calorimeter or the air enthalpy method for measurement and calculation. Air enthalpy method is a performance test method that measuring the import and export of air conditioners air enthalpy air flow and circulation, in order to determine the air conditioner's cooling capacity. This method has the advantages of rapidly, convenient, low investment, and the Precision can meet the production requirements. It is the national standard test methods commonly used. Currently, this test method is widely used in air conditioning manufacturers and part of the technology sector. But the design and layout of Enthalpy difference test bed, According to the test equipment, sites, specific experimental conditions, the different approach taken is not the same. whether the test equipment design and layout is reasonable or not may also directly affect the accuracy of experimental test. We mainly discuss about the design layout and the use of the cooling capacity of 2350W~12000W of the air conditioner Enthalpy Difference test device. China's current energy situation requires air conditioning industry to put the energy in an important position and both adhere to the harmonious development of energy-saving path .So the reduce of energy consumption, the development of new cost-effective energy-saving products become severe tests to Refrigeration and air conditioning enterprises . How to evaluate and measure the energy efficiency of new products and improve the detection technology become urgent need to address the important issue. Whether room air conditioner performance test system design is reasonable or not, and the level of precision is reasonable or not, Will affect the accurate determination of air conditioner performance. The issue is the design of the air conditioning performance of the enthalpy difference testing laboratory. Key Words: Method Of Enthalpy Difference, Design, Selection，air conditioner ，lab |
