描述
1.产品定位与核心功能
VALM-818137推测为超低温容错型阀门定位器，定位极低温介质精确控制与多重故障自愈，聚焦钛合金非磁性结构、超导薄膜传感器与动态热障隔离技术。其核心功能包括：
控制性能：
-位置精度：±0.06%（全行程范围内，纳米级分辨率）；
-响应时间：≤25ms（阶跃信号响应，超低温快速型）。
环境适应性：
-防护等级：IP69K（耐液氮冲洗）；
-工作温度：-269°C至+200°C（超低温至高温宽域型）。
2.关键技术参数
项目典型规格（参考同类产品）
输入/输出
-输入信号：4–20mA DC（支持EtherNet/IP、FOUNDATION Fieldbus）；
-输出类型：超导磁致伸缩执行器/液压双模驱动；
供电要求
-电压范围：18–150V DC（兼容航天器RTG供电）；
-功耗：≤8W（峰值），休眠模式<0.05W；
通信接口
-数字总线：SpaceWire、RS-485；
-无线扩展：量子密钥分发（QKD）加密短程通信。
3.功能特性
极低温工况突破：
-热障隔离层：多层气凝胶+真空腔设计（热传导率<0.005W/m·K）；
-非磁性结构：纯钛合金阀体（避免低温磁滞效应）。
智能容错系统：
-动态故障重构：基于遗传算法的冗余通道切换（故障定位<1秒）；
-超导传感阵列：钇钡铜氧薄膜实时监测阀芯形变（灵敏度±0.01μm）。
能效与安全：
-磁致伸缩驱动：能量回收效率达92%（降低液氦冷却系统负载）；
-自净化涂层：氟化镁表面抑制冰晶形成（液氢工况无堵塞）。
1.Product positioning and core functions
VALM-818137 is speculated to be an ultra-low temperature fault-tolerant valve positioner,which locates the extremely low temperature medium with precise control and multiple faults,focusing on the non-magnetic structure of titanium alloy,superconducting thin film sensor and dynamic thermal barrier isolation technology.Its core functions include:
Control performance:
-Position accuracy:±0.06%(within the entire stroke range,nano-scale resolution);
-Response time:≤25ms(step signal response,ultra-low temperature fast type).
Environmental adaptability:
-Protection level:IP69K(resistance to liquid nitrogen flush);
-Operating temperature:-269°C to+200°C(ultra-low temperature to high temperature wide range).
2.Key technical parameters
Project Typical specifications(refer to similar products)
Input/Output
-Input signal:4–20mA DC(supports EtherNet/IP,FOUNDATION Fieldbus);
-Output type:Superconducting magnetostrictive actuator/hydraulic dual-mode drive;
Power supply requirements
-Voltage range:18–150V DC(compatible with spacecraft RTG power supply);
-Power consumption:≤8W(peak),sleep mode<0.05W;
Communication interface
-Digital bus:SpaceWire,RS-485;
-Wireless extension:Quantum Key Distribution(QKD)encrypted short-range communication.
3.Functional characteristics
Breakthrough in extremely low temperature operating conditions:
-Thermal barrier isolation layer:multi-layer aerogel+vacuum cavity design(thermal conductivity<0.005W/m·K);
-Non-magnetic structure:pure titanium alloy valve body(avoiding low-temperature hysteresis effect).
Intelligent fault tolerance system:
-Dynamic fault reconstruction:redundant channel switching based on genetic algorithm(fault location<1 second);
-Superconducting sensing array:Yttrium barium copper oxygen film monitors valve core deformation in real time(sensitivity±0.01μm).
Energy efficiency and safety:
-Magnetostrictive drive:energy recovery efficiency reaches 92%(reduces the load of liquid helium cooling system);
-Self-purification coating:The surface of magnesium fluoride inhibits ice crystal formation(liquid hydrogen working conditions are not blocked).
