Pressure Measurement and Valve Control System
Pressure Measurement and Solenoid Valve Control System
Product Description
一、Product Overview
This system is an integrated control solution specifically designed for extreme high-temperature downhole environments, such as those encountered in petroleum drilling and geothermal development. It combines high-precision differential pressure measurement with high-current DC solenoid valve driving capabilities, enabling real-time monitoring of critical downhole operating parameters (pressure, temperature, current, voltage).
Its distinctive 3-channel redundant architecture ensures exceptionally high reliability under complex operating conditions. Beyond standard downhole applications, the system's architecture is highly scalable and can be custom-modified into laboratory or industrial-grade Pressure Control Unit (PCU) equivalents based on client requirements.
二、Core Advantages
This system is an integrated control solution specifically designed for extreme high-temperature downhole environments, such as those encountered in petroleum drilling and geothermal development. It combines high-precision differential pressure measurement with high-current DC solenoid valve driving capabilities, enabling real-time monitoring of critical downhole operating parameters (pressure, temperature, current, voltage).
Its distinctive 3-channel redundant architecture ensures exceptionally high reliability under complex operating conditions. Beyond standard downhole applications, the system's architecture is highly scalable and can be custom-modified into laboratory or industrial-grade Pressure Control Unit (PCU) equivalents based on client requirements.
二、Core Advantages
- Extreme Environment Adaptability: Capable of stable operation across a wide temperature range of -40°C to +150°C, meeting the stringent challenges of downhole environments.
- High-Precision Monitoring: Solenoid valve drive current measurement accuracy is better than 0.1mA, enabling micron-level perception of actuator status.
- Redundant Backup Assurance: Features 3-channel pressure measurement and 3-channel solenoid valve drive, with multiple channels serving as mutual backups, significantly reducing system failure risk.
- Intelligent Protection Mechanisms: Built-in over-current protection, automatic shutdown, and restart functions effectively prevent solenoid valve damage due to abnormal currents.
- Compact Design: Slim dimensions of 32mm * 200mm allow for optimal integration into the tubular space of various downhole tools.
三、Technical Parameters
四、Monitoring & Software Functions
The accompanying host computer control software provides an intuitive graphical user interface, allowing users to monitor downhole dynamics in real-time from the surface: 五、Customization Services
Leveraging a mature underlying architecture, we offer deep customization solutions. If your existing project involves high-precision pressure measurement and fluid flow control, we can adapt this system:
| Feature | Specification |
| Operating Temperature | -40°C ~ +150°C |
| Pressure Measurement | 3 Channels (Supports external 4-wire sensors) |
| Solenoid Valve Drive | 3 Channels (Supports 12V/24V, up to 5A drive current) |
| Measurement Accuracy | Current Accuracy > 0.1mA |
| Communication Interface | CAN Bus / RS422 |
| Power Supply | ±15V |
| Power Consumption | < 1.5W (Low-power design) |
| Physical Dimensions | 32mm * 200mm |
| Weight | < 1kg |
四、Monitoring & Software Functions
The accompanying host computer control software provides an intuitive graphical user interface, allowing users to monitor downhole dynamics in real-time from the surface:
- Real-Time Visualization: Simultaneously displays pressure, voltage, temperature, and drive current graphically and numerically.
- Precision Control: Remotely set the operating frequency and duty cycle of the solenoid valves.
- Intelligent Diagnostics: Automatically filters and logs historical faults occurring during solenoid valve control.
- Data Retrieval: All historical data is stored in file format, facilitating subsequent trend analysis and incident investigation.
Leveraging a mature underlying architecture, we offer deep customization solutions. If your existing project involves high-precision pressure measurement and fluid flow control, we can adapt this system:
- Form Factor Conversion: Can be modified from a downhole long-form PCB into a benchtop-style or industrial enclosure like a Pressure Control Unit (PCU).
- Protocol Adaptation: Customize communication protocols to suit your existing system.
- Function Modification: Optimize hardware for specific sensor types or drive loads.