小型高低温试验箱 小型温箱应用于手机芯片半导体优选
小型高低温试验箱技术方案
I. Main technical parameters (the performance index is measured at the ambient temperature of +5℃ ~ +30℃)：
Device Name Small high and low temperature test chamber
Device Model VT4002
主要技术参数指标
Studio Size 220×310×200mm （W×D×H）
External dimension(approx.) 510×450×650mm （D×D×H）
Temperature range -40℃～+130℃
Temperature fluctuation ≤±0.5℃
Temperature deviation ≤±1.0℃
Temperature uniformity ≤±2.0℃
Cooling rate +25℃～-40℃ ≤50min（unload）
Tears and oil are tight +25℃～+130℃≤50min（unload）
Power rate(approx.) The total probability is about 1.5KW
Noise A Sound level≤68dB(A) Approximately one meter away from thetesting equipment and without any barriers
Test environmental conditions 环境温度为+5℃～+35℃；相对湿度≤85%RH。
试验方法
Test method GB/T 5170.2-2008 温度试验设备
GB/T 5170.2-2008 交变试验设备
Test criteria
GB/T2423.1-2008（IEC60068-2-1：2007）低温试验方法Ab
GB/T2423.1-2008（IEC60068-2-2：2007）高温试验方法Bb
GJB15.4-1986 低温试验
GB/T2423.3-93试验Ca恒定试验方法
GB/T2423.4-93试验Db 交变试验方法
本系列产品执行Q/VCUK1-2002《高低温试验箱》上海市企业标准。
箱体结构村料构成
外壁材料：t=1.2mm冷轧钢板静电喷塑，
标准色为：箱体灰白
内壁材料：t=1.0mm SUS304 不锈钢板
保温材料：硬质聚氨酯发泡保温层+玻璃纤维棉；厚度80mm
箱体与门用轴承式铰链单开门
箱门尺寸：450mm×H340mm
门框备防结露电热装置
观察窗 位置：安装于箱门，便于观察试验产品。
尺寸：W150mm×H100mm 数量：1 块
材质：内嵌式4层中空玻璃，带发热体，有除霜功能。
测试孔 Size：Standing￠50mm Number：1set
位置：可按照户需求，带不锈钢盖及软塞。
照明灯 类型：灯泡 数量：1套
位置：安装于箱门观察窗内
空气系统
调控方式 空气强制循环平衡调温调湿
空气循环装置 离心风机
加热方式 镍铬合金电热丝加热器，PID调节，执行元件：固态继电器
空气冷却方式 翅片式蒸发器
制冷系统
制冷剂 环保制冷剂R404a
制冷方式 机械压缩式复叠制冷系统
制冷压缩机 法国“泰康”全封闭压缩机
冷凝方式 风冷式
蒸发器 高效散热片式蒸发器（铜管与铝制散热片构成）。
制冷配件 意大利卡士妥“CASTEL”低温段电磁阀；丹麦丹佛斯“DANFOSS”油分离器、截止阀、热力膨胀阀等
Nitrogen filled welding process Low temperature connection pipe adopts high quality oxygen free steel pipe, nitrogen filled welding, high pressure and leakage prevention technology
Ensure welding quality<
小型高低温试验箱 小型温箱应用于手机芯片半导体优选
控制器
Temperature sensor Class A around platinum resistor，PT100
Controller Korea Sanyuan TEMl1300 temperature and humidity controller
Executive Appliances Mainly using French "Schneider" series AC contactors, thermal relays, circuit breakers; day Ben KYOTTO solid-state relays and other inter national brands
Human-computer Dialogue inter face Chinese, color LCD display, touch key setting
Indicating accuracy Temperature: 0.1°C, humidity: 0.1%RH, Time: l min
User program capacity 100 programs, 1000 segments each, programs can be connected
Run Mode< Fixed value operation, program operation.seven
Trial data showing Set temperature, measured temperature, total running time, segment running time
Fault Information < Display fault status and possible cause analysis
Built-in PLC function It can directly drive the executive parts, and the logic operation is completed by PLC software
Working condition ofre frigerator Automatic selection according to test conditions
Computer interface
roll Can provide standard RS485 network (optional) to achieve PC monitoring, control functions
Ancillary Features Fault alarm and cause, processing prompt function, equipment function lection after power recovery, Power off protection function; Upper and lower limit temperature protection function, Timing(reservation)function(automatic start and stop); Fault display and self-diagnosis function; Emergency trouble shooting manual; Sensor correction, Automatic defrosting; Maintenance manual,etc.4
Recording features It can record the curve and test data within 360 days, can query the temperature and humidity at every moment of 360 days in detail, can be exported USB2.0, print the record curve on the PC and generate data report (equivalent to paperless recorder function) seven
Printing function(Optional) 打印机，打印温度，时间。
安全装置
超温报警保护；
压缩机超压保护、过流保护、过热保护；
接地保护 结构件安全接地保护
加热器 加热器短路保护
鼓风机 鼓风机过流保护
二、系统介绍
This series of environmental test chamber can provide a simulation environment for users to test and detect electronic and electrical components,c
