现货德国威仕VSE齿轮高精度流量计VSI 2/1 GRO12V 42R11/5工作原理场景解析

威仕VSE齿轮高精度流量计VSI 2/1 GRO12V 42R11/5是德国VSE公司研发的一款容积式流量测量仪表，采用高精度齿轮啮合结构，适用于各类工业流体的精密计量。其核心特点包括：测量精度高（典型±0.1%读数）、重复性好（±0.03%）、压力损失小、对流体粘度变化不敏感，广泛应用于液压系统、润滑系统、燃油计量等工业场景

工作原理

容积式测量原理

该流量计基于容积式测量原理，通过测量流体在单位时间内通过固定容积的次数来计算流量。核心部件为一对相互啮合的精密齿轮（主动齿轮和从动齿轮），当流体进入流量计进口时，在压差作用下推动齿轮旋转，齿轮每旋转一周，会排出固定体积的流体（即“排量"），排量与齿轮转速的乘积即为瞬时流量。

结构组成及作用

 信号转换过程

齿轮旋转时，带动安装在轴端的磁体同步转动，磁体与传感器（如霍尔元件）之间产生周期性磁场变化，传感器输出与转速成正比的脉冲信号

通过计数器或PLC对脉冲信号进行采集，根据公式计算流量

瞬时流量Q（L/min）= 脉冲频率f（Hz）× 排量V（L/脉冲）× 60

累计流量Total = 脉冲总数 × 排量V

技术参数解析

以型号VSI 2/1 GRO12V 42R11/5为例，各参数含义如下

VSI：产品系列代号，代表高精度齿轮流量计

2/1：尺寸代码，对应进出口径（如G1/2"或G1/4"接口）

GRO：齿轮类型，高精度直齿轮设计

12V：信号输出类型，12V供电的脉冲信号（NPN或PNP）

42R11/5：排量代码，代表每转排量为42 cm³/r（具体需参考厂商手册）

典型技术参数

测量范围：0.1~100 L/min（视排量而定）

工作压力：最大350 bar（高压型）

介质温度：-20℃~120℃（标准型）

粘度范围：1~10000 cSt

输出信号：脉冲（5~24V DC）、4-20mA（可选）

应用场景分析

液压系统流量监测

在工程机械、注塑机等液压设备中，用于实时监测液压油流量，确保系统压力与流量匹配，预防过载或泄漏

注塑机合模/射胶阶段的流量闭环控制

挖掘机液压回路的流量分配优化

润滑油精密计量

在风电齿轮箱、轧机等大型设备的润滑系统中，精确计量润滑油的注入量，避免因润滑不足导致设备磨损

特点

适应高粘度润滑油（如460#齿轮油）

长期运行稳定性高，维护周期长

燃油/化工流体计量

在燃油输送、涂料配比等场景中，用于批量计量或连续流量监测：

船舶发动机燃油消耗统计

涂料生产中多种原料的比例混合控制

科研实验及校准设备

凭借高精度特性，作为标准流量计用于实验室流量校准或流体特性研究，例如：

高校流体力学实验平台

第三方计量机构的仪表校准设备

安装与维护注意事项要求

进出口需安装直管段（前面10D后5D，D为管径），避免涡流影响

水平安装，确保齿轮轴处于水平状态，减少轴承磨损

介质流向需与外壳箭头标识一致，禁止反向安装

远离强电磁干扰源，信号线需屏蔽处理

维护要点

定期检查过滤器，防止杂质进入测量腔（建议安装100目以上过滤器）

介质含有腐蚀性成分时，需选用不锈钢材质外壳及齿轮

长期停机后重启前，需排净测量腔内空气

校准周期建议每年一次，使用标准流量装置进行校验

常见故障及排除

威仕VSE齿轮高精度流量计VSI 2/1 GRO12V 42R11/5凭借其高精度、高可靠性的特点，在工业流体计量领域具有广泛的适用性。通过理解其容积式测量原理、技术参数及安装维护要点，可确保其在液压、润滑、化工等场景中实现精准流量监测，为设备高效运行与过程优化提供数据支持。实际应用中需结合具体工况选择合适型号，并严格遵循安装规范，以充分发挥其性能优势

The VSE VSI 2/1 GRO12V 42R11/5 is a volumetric flow meter developed by Germany's VSE company, featuring a high-precision gear meshing mechanism designed for accurate measurement of various industrial fluids. Its key advantages include: exceptional measurement accuracy (typical reading accuracy of ±0.1%), excellent repeatability (±0.03%), minimal pressure loss, and insensitivity to fluid viscosity variations. It finds extensive applications in hydraulic systems, lubrication systems, fuel measurement, and other industrial scenarios. Operating Principle: Based on the volumetric measurement principle, this flow meter calculates flow rate by counting the number of times fluid passes through a fixed volume per unit time. Its core components consist of a pair of precision gears (a driving gear and a driven gear) that mesh together. When fluid enters the inlet, the pressure difference drives the gears to rotate; each full rotation discharges a fixed volume of fluid ("displacement"), and the product of this displacement and the gear's rotational speed determines the instantaneous flow rate.

Structural Composition and Component Names | Functional Description---|---Measurement Chamber: House the gear set, forming a sealed measurement space to ensure precise fluid distribution. Gear Set: High-precision meshing gears (typically made of hardened steel or ceramic) that discharge a fixed volume of fluid during rotation. Shaft Seal: Prevents fluid leakage using mechanical or lip seals, suitable for high-pressure applications. Signal Generator: Converts gear speed into electrical signals (e.g., pulse signals) via magnetic/electromagnetic induction or photoelectric sensors. Housing: Protects internal components under system pressure; materials include aluminum alloy or stainless steel. Signal Conversion Process: Gear rotation drives the magnet mounted on the shaft to rotate synchronously, generating periodic magnetic field variations between the magnet and sensor (e.g., Hall element). The sensor outputs pulse signals proportional to rotational speed, which are captured by a counter/PLC. Flow rate is calculated using the formula: Instantaneous Flow Rate Q (L/min) = Pulse Frequency f (Hz) × Displacement V (L/pulse) × 60. Cumulative Flow Total = Total Pulse Count × Displacement V. Technical Parameters (Example: Model VSI 2/1 GRO12V 42R11/5): -VSI: Product series code representing the high-precision gear flow meter. -2/1: Dimension code specifying inlet/outlet diameters (e.g., G1/2 "or G1/4"). -GRO: Gear type: High-precision spur gear design. -12V: Signal output type: Pulse signal powered by 12V (NPN or PNP). -42R11/5: Displacement code. Technical Specifications: Representative displacement: 42 cm³/r (refer to manufacturer's manual for exact values); Measurement range: 0.1–100 L/min (depending on displacement); Operating pressure: Up to 350 bar (high-pressure model); Media temperature: -20°C to 120°C (standard model); Viscosity range: 1–10,000 cSt; Output signals: Pulse (5–24 V DC), 4–20 mA (optional). Application Scenarios: 1. Hydraulic System Flow Monitoring: Used in construction machinery and injection molding machines to monitor hydraulic oil flow in real-time, ensuring proper system pressure-flow matching and preventing overload or leakage. 2. Flow Closed-Loop Control During Mold Closure/Plastic Injection in Injection Molding Machines. 3. Flow Distribution Optimization in Excavator Hydraulic Circuits. 4. Precision Lubricant Dosage: Accurately measures lubricant injection volumes in large equipment lubrication systems (e.g., wind turbine gearboxes, rolling mills), preventing equipment wear due to insufficient lubrication. Suitable for high-viscosity lubricants (e.g., 460# gear oil), offering high long-term operational stability and extended maintenance intervals. 5. Fuel/Chemical Fluid Measurement: Used for batch dosing or continuous flow monitoring in fuel transportation and coating formulation. 6. Laboratory and Research Applications: Serves as a standard flow meter for laboratory calibration and fluid property studies (e.g., university fluid mechanics platforms). 7. Instrument Calibration: Third-party calibration services for measurement devices. Installation and Maintenance Requirements: -Install straight pipe sections at both inlet and outlet (10D upstream and 5D downstream, where D represents pipe diameter) to avoid vortex effects. -Ensure horizontal installation of gear shafts. To reduce bearing wear, the medium flow direction must align with the arrow markings on the housing; reverse installation is prohibited. The system should be positioned away from strong electromagnetic interference sources. Signal cables require shielding treatment. Maintenance guidelines: Regularly inspect filters to prevent impurities from entering the measurement chamber (a 100-mesh or higher filter is recommended). When handling corrosive media, use a stainless steel housing and gears. After prolonged shutdown, completely vent air from the measurement chamber before restarting. Calibration should be performed annually using a standard flow meter. Common faults and troubleshooting: Possible causes: Damaged output signal sensor, loose wiring, gear jamming; Solutions: Check wiring, replace sensor, disassemble and clean gears. Large measurement errors: Gear wear, medium viscosity exceeding limits, reverse installation; Replace gear set, verify medium parameters, correct installation orientation. Abnormal pressure loss: Filter clogging or incomplete opening of inlet/outlet valves; Clean filters and inspect pipeline valve conditions. The Wes VSE Gear High-Precision Flow Meter (VSI 2/1 GRO12V 42R11/5) demonstrates extensive applicability in industrial fluid measurement due to its high precision and reliability. By understanding its volumetric measurement principle, technical specifications, and installation/maintenance requirements, precise flow monitoring can be achieved in hydraulic, lubrication, and chemical applications, providing data support for efficient equipment operation and process optimization. Select appropriate models based on specific operating conditions and strictly adhere to installation protocols to maximize performance advantages.

VSI 2/10 S07 12V-32W15/4

VSI 2/16 GP012V-32W15/4

VSI 2/16 GP054V-32W15/4

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现货德国威仕VSE齿轮高精度流量计VSI 2/1 GRO12V 42R11/5工作原理场景解析

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Beinlich百利泵

E+H：质量流量计，液位计，电极

Atos：液压阀，比例阀，电磁阀，放大器，液压泵

Kracht：流量计，齿轮泵，溢流阀，指示器

VSE：流量计，放大器

Rickmeier：齿轮泵