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冷热冲击试验箱 是金属、塑料、橡胶、电子等材料行业必备的测试设备,用于测试材料结构或复合材料,在瞬间下经极高温及极低温的连续环境下忍受的程度,得以在最短时间内检测试样因热胀冷缩所引起的化学变化或物理伤害。
冷热冲击试验箱满足的试验方法:GB/T2423.1.2、GB/T10592-2008、GJB150.3高低温冲击试验。
高低温冲击试验箱根据试验需求及测试标准分为三箱式和两箱式,区别在于试验方式和内部结构不同。
三箱式分为蓄冷室,蓄热室和试验室,产品在测试时是放置在试验室。
两箱式分为高温室和低温室,是通过电机带动提篮运动来实现高低温的切换,产品放在提篮里,是随提篮一起移动的。
标称内容积 内箱尺寸 外型尺寸 移蓝尺寸 | 100L W 450×D 450×H 500mm W 1450×D 1150×H 1750 mm W 20×D 20×H 20 mm |
性能 |
测试环境条件 测试方法 | 环境温度为+25℃、相对湿度≤85%、试验箱内无试样条件下 GB/T 5170.2-2008 温度试验设备 GB/T 5170.5-2008 湿度试验设备 |
温度冲击范围 低温预冷范围 高温预热范围 | -40℃~+80℃ -60℃~-10℃ 60℃~+120℃ |
温度波动度 | ±0.5℃ |
温度偏差 移蓝转换时间 回复时间 温度变化 | ±2.0℃ ≤10S ≤5 min 高温室升温速率20℃~ +120℃≤30min(空载) 低温室降温速率+20℃~-60℃,≤60min(空载,RT≤+25℃) |
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| 结构特征 | |
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保温围护结构
| 外壁材料:冷轧钢板,表面喷塑处理 内壁材料:不锈钢板SUS304 箱体保温材料:硬质聚氨酯泡沫+玻璃纤维 门保温材料:玻璃纤维 | |
| 空气调节通道 | 风机、加热器、蒸发器、温度传感器 | |
| 试验室体标准配置
| 引线孔:直径φ50mm 1个, 试样搁板:1个,承重(均布):15kg 移动脚轮:4个 | |
| 试验箱门 | 铰链双开门,2个 低温门框备防结露电热装置 | |
| 观察窗 循环风机 | 中空电热玻璃W260*H270mm(有效可视尺寸 两块) 长轴电机+多翼式离心风轮; | |
| 机械室 | 机械室中包含: 制冷机组、接排水装置、配电控制柜、高低温循环风机、排风机 | |
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配电控制柜
| 散热风机 配电板 试样试验端子 总电源电断路器 | |
| 加热器
| 功率:6KW 镍铬合金电热丝式加热器 加热器控制方式:无触点等周期脉冲调宽,SSR(固态继电器) | |
| 制冷系统 | |
| 工作方式 | 风冷机械压缩双级制冷方式(两台) | |
| 制冷原理 | 蒸汽压缩制冷 | |
| 制冷压缩机 | 法国泰康活塞式压缩机 | |
| 蒸发器 | 翅片式换热器 | |
| 风冷冷凝器 | 翅片式换热器 | |
| 节流装置 | 热力膨胀阀、毛细管 | |
| 制冷机控制方式 | 控制系统的PLC(可编程逻辑控制器)根据试验条件自动调节制冷机的运行工况 压缩机回气冷却回路 | |
| 制冷剂 | R404A,R23(臭氧耗损指数均为0 ) | |
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零部件品牌
| 名称 | 品牌 | 备注 | 制冷压缩机 | 法国泰康 | 活塞式压缩机 | 压力继电器 | 丹麦DANFOSS | | 冷凝器 | TASO定制 | | 蒸发器 | TASO定制 | | 干燥过滤器 | 丹麦DANFOSS | | 毛细管 | TASO定制 | | 膨胀阀 | 丹麦DANFOSS | | 电磁阀 | FENGSHEN | | 说明:上列出品牌有两种选择的,是方便客户习惯选择及考虑确保材料供货期而作的备用选择。 |
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