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高低溫交變?cè)囼?yàn)箱結(jié)構(gòu)概述
2015-06-27 12:28:05 來源：涵潮
高低溫交變?cè)囼?yàn)箱結(jié)構(gòu)概述
1、外膽均采用不銹鋼
2、內(nèi)膽采用進(jìn)口高級(jí)不銹鋼(SUS304)鏡面板。
3、保溫材質(zhì):高密度玻璃纖維棉.保溫厚度為100mm
4、溫度循環(huán)系統(tǒng):采用特制空調(diào)型低噪音長軸風(fēng)扇電機(jī)，耐高低溫之不銹鋼多翼式葉輪,以達(dá)強(qiáng)度對(duì)流 垂直擴(kuò)散循環(huán)。
5、門與箱體之間采用雙層耐高溫之伸張性密封條以確保測(cè)試區(qū)的密閉
6、采用無反作用門把手，操作更容易
7、機(jī)器底部采用高品質(zhì)可固定式PU活動(dòng)輪.
8、觀察窗采用多層中空鋼化玻璃,內(nèi)側(cè)膠合片式導(dǎo)電膜加熱除霜(清楚觀察試驗(yàn)過程)
9、測(cè)試孔(機(jī)器左側(cè))可外接測(cè)試電源線或信號(hào)線使用(孔徑或孔數(shù)須增加需指示)
十一、加熱系統(tǒng)
1、采用遠(yuǎn)紅外鎳合金高速加溫(2KW×2)電加熱器
2、高溫完全獨(dú)立系統(tǒng)，不影響低溫試驗(yàn)、高溫試驗(yàn)及交變
3、溫度控制輸出功率均由微電腦演算，以達(dá)高精度及高效率之用電效益
十二、電路控制系統(tǒng)
1、溫濕度控制儀表采用"韓國原裝TEMI850"大屏幕-液晶顯示-可編程微電腦PID控制SSR輸出運(yùn)行。全進(jìn) 口超大液晶觸摸屏幕畫面，熒幕操作簡單，程式編輯容易。
2、精度:0.1℃(顯示范圍)
3、解析度:±0.1℃;
4、感溫傳感器:PT100鉑金電阻測(cè)溫體;
5、控制方式:熱平衡調(diào)溫調(diào)濕方式;所有電器均采用(施耐德)系列產(chǎn)品
6、溫濕度控制采用P . I . D+S.S.R系統(tǒng)同頻道協(xié)調(diào)控制
7、具有自動(dòng)演算的功能，可將溫濕度變化條件立即修正，使溫濕度控制更為精確穩(wěn)定
8、控制器操作界面設(shè)中英文可供選擇，實(shí)時(shí)運(yùn)轉(zhuǎn)曲線圖可由屏幕顯示
9、具有100組程式、每組100段、每段可循環(huán)999步驟的容量，每段時(shí)間設(shè)定*大值為99小時(shí)59分
10、資料及試驗(yàn)條件輸入后，控制器具有熒屏鎖定功能，避免人為觸摸而停機(jī)
11、具有RS-232或RS-485遠(yuǎn)程通訊界面，可在電腦上設(shè)計(jì)程式，監(jiān)視試驗(yàn)過程并執(zhí)行自動(dòng)開關(guān)機(jī)等功能
12、控制器具有熒屏自動(dòng)屏保功能，在長時(shí)間運(yùn)行狀態(tài)下更好的保護(hù)液晶屏(使其壽命更長久)
13、本試驗(yàn)箱回風(fēng)口具有自動(dòng)除霜裝置(這樣才能使試驗(yàn)時(shí)產(chǎn)生的水蒸氣不會(huì)聚集在制冷蒸發(fā)器上，產(chǎn)生冰堵現(xiàn)象)
十三、制冷系統(tǒng)控制
1、壓縮機(jī):全封閉法國泰康1.5HP×2×1組
2、制冷方式:復(fù)疊式制冷
3、 冷凝方式:強(qiáng)制風(fēng)冷冷卻
4、制冷劑:R404A、R23(環(huán)保型)
5、系統(tǒng)管路均作通氣加壓48H撿漏測(cè)試.
6、加溫、降溫系統(tǒng)完全獨(dú)立
7、內(nèi)螺旋式冷媒銅管
8、斜率式蒸發(fā)器
9、干燥過濾器、冷媒流量視窗、修理閥、油分離器、電磁閥、貯液筒均采用進(jìn)口原裝件
10、除濕系統(tǒng): 采用蒸發(fā)器盤管露點(diǎn)溫度層流接觸除濕方式
11、降溫時(shí)啟動(dòng)R404A 、R23，除濕時(shí)只啟動(dòng)R404A(節(jié)能降耗)
十四、保護(hù)系統(tǒng)
1、風(fēng)機(jī)過熱保護(hù)
2、整體設(shè)備欠相/逆相保護(hù)
3、制冷系統(tǒng)過載保護(hù)
4、制冷系統(tǒng)超壓保護(hù)
5、整體設(shè)備定時(shí)
6、水泵過熱，過流保護(hù)
7、其它還有漏電、缺水、運(yùn)行指示，故障報(bào)警后自動(dòng)停機(jī)等保護(hù)。
Structure of high and low temperature test chamber
1, outside the gallbladder are used stainless steel
2, the imported advanced stainless steel (SUS304) panels.
3, heat preservation material: high density glass fiber cotton. The insulation thickness is 100mm
4, temperature circulation system: the special air conditioning type low noise long axis of the fan motor, high and low temperature resistant stainless steel multi wing impeller, to achieve the cycle of vertical diffusion in convective intensity.
Between the 5, and the box body adopts a double-layer high-temperature resistant stretch seal to ensure that the test area closed
6, the use of no anti door handle, easy to operate
7, the machine is used in the bottom of the high - quality PU round.
8, the observation window uses the multi - layer hollow toughened glass, the inner layer of the film is heated in the film to heat the cream (clear observation test procedure)
9, test hole (machine left) can be outside the test power line or signal line use (the diameter or the number of holes to increase the need to indicate)
Eleven, heating system
1, the use of far infrared high speed heating (2KW x 2) electric heater
2, high temperature and complete independent system, does not affect the low temperature test, high temperature test and alternative
3, temperature control output power by microcomputer calculation, to high precision and high efficiency of electricity efficiency
Twelve, circuit control system
1, temperature and humidity control instrument adopts "South Korea original TEMI850" big screen - liquid crystal display - programmable microcomputer PID control SSR output operation. Full import large LCD touch screen, screen operation is simple, easy to edit.
2, accuracy: 0.1 (range)
3, resolution: 0.1;
4, temperature sensor: PT100 platinum resistance thermometer;
5, control mode: thermal equilibriumtemperature humidity; all electrical appliances are used (Schneider) series of products
6, temperature and humidity control using P. I. D+S.S.R system with channel coordination control
7, with automatic calculation of the function, can change the temperature and humidity conditions immediately corrected, so that the temperature and humidity control more accurate and stable
8, the operation interface in the controller English available, real-time operating curve diagram of screen display
9, with 100 groups of programs, each group of 100 segments, each of the 999 steps of the capacity, each time set maximum value of 99 hours 59 minutes
10, data and test conditions, the controller has a screen lock function, to avoid human touch and stop
11, with RS-232 or RS-485 remote communication interface, can be on the computer design program, monitoring the process and the implementation of automatic switch machine and other functions
12, a controller with automatic screensaver screen function, in operation for a long time to better protect the LCD screen (the life of the longer)
13, the test box back to the outlet with automatic de frost device (so as to make the test when the water vapor will not be gathered in the refrigeration evaporator, resulting in ice blocking phenomenon)
Thirteen, refrigeration system control
1, full closed compressor: France Taikang 1.5HP * 2 * 1 group
2, refrigeration mode: Double cascade refrigeration
3, condensation mode: forced air cooling
4, refrigerant: R23, R404A (environmental protection)
5, the pipeline system were tested. 48H pressure ventilation leakage
6, heating, cooling system is completely independent
7, inner screw type refrigerant copper tube
8, slope type evaporator
9, dry filter, cooling medium flow window, repair valve, oil separator, solenoid valve, cylinder are used to import the original
10, the desiccant system: the evaporator coil dew point temperature of the air flow contact
11, when the temperature of R404A, R23,, when the desiccant only start R404A (energy saving)
Fourteen, protection system
1, the wind turbine overheat protection
2, the overall equipment under phase / reverse phase protection
3, refrigeration system overload protection
4, refrigeration system overpressure protection
5, the overall equipment timing
6, water pump overheating, over current protection
7, other as well as leakage, water shortage, operation instructions, automatic shutdown and other protection after the fault alarm.
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