进口高低温箱Technical Proposal（技术指标）

Model（型号）TX-TH-500T

1  Key Technical Specifications/ 主要性能参数:

1.1  Equipment: Temperature and humidity test chamber设备名称：恒温恒湿试验箱

1.2  Model: TX-TH-500T

1.3  Useful capacity: 500L approx容积：约 500升

1.4  Interior dimension: W800mm×D800mm×H800mm;

内部尺寸：宽 800mm×深 800mm×高 800mm；

Exterior dimension: W1400mm×D1350mm×H1750mm;

外部尺寸：宽 1400mm×深 1350mm×高 1750mm；

1.5  Temperature range: -10℃～+150℃;     温度范围：-10℃～+150℃

1.6  Temperature fluctuation: ≤±0.5℃;   温度波动度：≤±0.5℃;

1.7  Temperature uniformity: ≤±2.0℃;    温度均匀度：≤±2.0℃

1.8  Temperature deviation: ≤±2.0℃;     温度偏差：≤±2.0℃;

1.8.1 湿度精度：1.0%，

1.8.2 湿度偏差：≤2%RH

1.9  Humidity range: from 20% to 98% in the temperature range +10℃ to +90℃

湿度范围：从 20%到 98%在环境温度范围：+10℃到+90℃

Note: The above performance is measured at steady state, without any load and heat dissipation;

1.11  升降温时间：0℃～+120℃  ≥3.0℃/min (空载 非线性)

注：上述指标在室温+25℃时测量，温湿度性能测试根据标准 IEC60068-3；传感器放置在空气出风口处。

2  Cabinet Structural Features/ 箱体 结构特性:

2.1 Housing: mono-block construction which comprises all systems necessary for operation; The outerhousing will be made of good quality galvanized sheet steel which is inside and outside primered andpainted to a standard finish with high quality materials. The exterior surface will have high wear resistance

箱体结构：单一结构，包括所有箱体工作所必须的系统。外部框架由高质量电镀钢板组成，它外部涂有高质量的底漆和涂层。外部表面具有强抗腐蚀能力，白灰色，RAL-7035。

2.2 Test space: the internal test space will be made of non magnetic SUS-304 stainless steel with no paint.All the seams will be TIG welded and vapor tight. The surface will be well polished.

测试空间：箱体内胆材料为 SUS304号不锈钢。所有缝隙都由 TIG（钨极惰性气体保护电弧焊）无缝焊接完成，保证密封。表面被很好的刨光。

2.3 Outior shell materials: SUS304 stainless steel plate t=1.5mm;

外部材料；SUS304 不锈钢板，厚度=1.5mm；

2.4 Insulation: the insulation material will be of low 'k' factor, high intensity and non hygroscopic nature. Theinsulation will be multi layered with double vapor barrier. Asbestos free mineral fiber insulation will beused

保温材料：使用低“K”值的绝缘材料，高强度和不可燃、不沉积特性。这种绝缘材料为多层分层，每层两面都有蒸汽绝缘。

2.5 Door: fully-opened and single wing type, double silicone seal, hinges and lock.

箱门：全开单翼型，带有双层硅橡胶密封和门锁。白灰色，RAL-7035。

2.6 Door useful dimensions: 1000 mm W x1000 mm H;

门的尺寸：1000 mm(宽) x 1000 mm(高)；

2.7 Inspection windows: the chamber will be provided with one multilayer toughened glass inspectionwindows with built-in heaters. The size of the window glasses is 1200 x 1300 mm;The inspection window is equipped with an electric heating element on the surface of the glass able to prevent the condensate and frost formation;

观测窗：箱体带有一个多层玻璃观测窗，带有内部加热器。尺寸：为 400 x 300 mm；

玻璃表面的电子加热可以防止水的冷凝和结霜；

2.8 Internal lighting: one lamp, with control switch placed on the control panel.内部照明：1 个，控制开关在箱体外部控制面板上；

2.9 Two  shelf: Height is adjustable. shelf support load: 30 kg uniformly distributed;2个隔架，可调整高度。隔架承重：可均匀承重 30 公斤；

2.10 Cable port: One  porthole (Ф100mm), by low thermal conductivity materials and equipped with blind plugs.测试孔：1个直径为 100mm，带有由绝缘材料做成的绝缘塞；（在箱体右侧）

2.11 Four castors for easy movement.配备 4个脚轮，方便箱体自由移动；

2.12 Pressure compensation system: the chamber is equipped with a pressure balance system which openswhen there is pressure imbalance between the test space and outside. The system is mechanicallydesigned to automatically operate.压力补偿平衡系统：箱体配有一个压力补偿系统，当箱体内外压力不平衡时，系统将会自动运行。

2.13 Power board and machine group positioning: mono-block construction;

电源控制板和机组位置：与箱体整体化；

3  Air-conditioning System/ 空气调节装置:

3.1 Regulation and control: Forced circulation for temperature and humidity regulation; Independent PIDregulation to achieve consecutive cooling and heating capability; No energy waste deriving from extraheating to compensate extra cooling;调节和控制：强制对流调温调湿方式；独立的冷端和热端 PID 调节，热量和冷量均可连续调节，避免了制冷量和加热量对冲而造成的能源浪费；

3.2 Air-circulation equipment: Powerful blowers driven by external motors with stainless steel shafts;

空气循环装置：带有不锈钢轴的外部电机驱动的高效率风扇；

3.3 Heating: Nickel-chromium alloy heating wire, controlled by SSR; protected by failure-safe thermostats;加热：镍铬金属丝加热器，SSR 控制；配备故障保护温度开关；

3.4 Cooling mode:  Water cooling;冷却模式：水冷却；

3.5 Heat exchanger: tube-finned heat exchanger which exchanges the heat with air inside the chamber热交换器：管片式热交换器同室内空气进行热交换；

3.6 Humidifier: Low pressure steam generator is equipped with demineralizer, boiler and high temperaturefailure-safe thermostats;

加湿器：低压蒸汽发生器配有软化过滤器，加热器，加热筒体以及高温保护装置等；

3.7 Dehumidification: The dehumidification is realized by means of a "cold finger" evaporator, separated fromthe cooling evaporator, on which the excessive water vapor is forced to condensate.

除湿系统：独立的去湿系统是通过一种叫做“冷指”的蒸发器来完成，去湿盘管与冷却盘管相互独立。它使箱内多余的水蒸气冷凝下来；

3.8 Humidification water supply: Manually water supply to humidification water tank or self feeding by townwater. humidification water recycling, reducing water consumption

加湿水补水方式：环境箱配备自带的储水箱，可以手动添加纯净水到储水箱或者自来水自动通过环境箱配备的水处理装置；加湿水循环使用，降低加湿水的消耗量；

3.9 Town water purification system: town water through chamber integrated softener.自来水处理系统：自来水自动通过环境箱配备的水处理装置；

3.10 Stainless steel condensate tray

不锈钢凝水盘；

4  Refrigeration System/ 制冷系统:

4.1 Refrigeration System Composition:

制冷系统组成:

4.1.1 Refrigerant: environment-friendly fluorine coolant R404a;

制冷剂：环保制冷剂 R404a  

4.1.2 Refrigeration compressor: German blog semi closed compressor 1p

制冷压缩机： 美国全封闭压缩机 1P 

4.1.2。1 Use of 1p to control humidity 美国谷轮压缩机1P  控制湿度使用

4.1.3 Condensation mode: Air-cooled condenser;

冷凝模式：风冷冷凝器

4.1.4 Refrigeration mode: Mechanical compression single stage system;

制冷方式：机械压缩双级制冷

4.2 An automatic protection design is incorporated into the cooling system and realized by injecting liquidrefrigerant into compressor suction pipe. This design can prevent compressor from overheating during thecooling down period from high temperature environment.制冷系统的设计采用了全自动的保护措施。通过将液体制冷剂喷射到压缩机吸气管路来防止压缩机在高温环境冷却阶段产生过热现象；

(Demonstration of Refrigeration System Design)

(供参考的制冷系统设计)

5  Control system/ 控制系统:

5.1 Sampling sensor/传感器:

5.1.1 Temperature measurer and sensor: Shielded heat resistance Pt100 x 1;