Chinese
Spanish
Benchmark Case | On-site Application Record of Beijing Power Heating Project
The Beijing Power Heating Project, as a typical municipal heating project, has successfully deployed Nexisense wireless pressure transmitters, wireless temperature transmitters and wireless level gauge series products. The equipment on the project site has achieved long-term stable operation, effectively supporting real-time monitoring of key parameters of the heating pipeline network, and helping system integrators and engineering companies build efficient and reliable smart heating solutions.
In the field of central heating, the pipeline network has wide coverage, dispersed nodes and complex construction environments. Traditional wired monitoring solutions face problems such as difficult wiring, high maintenance costs and insufficient scalability. The Nexisense wireless product series directly solves these engineering pain points through low-power wide area network technology and provides standardized data acquisition capabilities for project delivery.
Project Background and Monitoring Requirements
The Beijing Power Heating Project involves multi-link operation management of heat source plants, heat exchange stations and primary/secondary pipeline networks. The core monitoring objects include heating medium pressure, temperature and liquid level and other parameters. These data directly affect system hydraulic balance, heat distribution and equipment safe operation.
The project requires the achievement of the following engineering objectives:
· Real-time collection of pressure, temperature and liquid level data at key nodes of the pipeline network, supporting threshold warning and trend analysis.
· Reduce on-site wiring workload and adapt to renovation scenarios of old pipeline networks.
· Seamless data access to existing heating monitoring platforms or IoT cloud systems.
· Equipment must have industrial-grade reliability and adapt to seasonal temperature differences and humid environments.
The Nexisense product combination accurately matches the above requirements. The project team deployed multiple wireless transmitters at heat exchange stations, pipeline network monitoring points and liquid storage equipment to form a monitoring network covering key paths.
Specific Application of Nexisense Wireless Products in the Project
Wireless Pressure Transmitter: Ensuring Stable Monitoring of Pipeline Network Pressure
Pressure fluctuations in the heating pipeline network are directly related to system safety and thermal balance. The Nexisense wireless pressure transmitter adopts diffused silicon sensing elements, supports a typical range of 0～2.5 MPa, with accuracy reaching ±0.5%FS, and features overpressure protection and temperature compensation functions.
At the project site, the equipment is installed at key nodes of the primary pipeline network and the inlet of the heat exchange station to collect operating pressure data in real time. Through NB-IoT or LoRaWAN protocols, the data is pre-processed by the edge module and uploaded to the monitoring platform. When the pressure deviates from the set range, the system automatically triggers hierarchical alarms and supports linkage control with valves.
This deployment effectively identifies potential leaks or pump group abnormalities, reduces the frequency of manual inspections, and provides quantitative decision-making basis for the operation and maintenance team.
Wireless Temperature Transmitter: Supporting Heat Balance and Energy Efficiency Optimization
Temperature is the core indicator of heat transfer efficiency in heating systems. The Nexisense wireless temperature transmitter supports Pt100 or thermocouple input, with a measurement range covering -50～150℃, adapting to the temperature requirements of heating media.
In the project, the equipment is deployed on both sides of the supply and return water pipelines and heat exchangers to achieve real-time monitoring of supply and return water temperature difference. The data is connected to the smart heating platform through the MQTT protocol, supporting climate compensation algorithm calls and energy consumption statistical analysis.
Integrators can use historical temperature trend data to optimize scheduling strategies, improve overall heating balance and reduce ineffective heat loss.
Wireless Level Gauge: Ensuring Safety of Water Replenishment and Liquid Storage Systems
The heating system needs to continuously maintain stable medium liquid level to avoid dry burning or overflow risks. The Nexisense wireless level gauge adopts static pressure or radar principle, supports a range of 0～10 m, and features anti-crystallization and high protection design.
At the project water replenishment tanks, condensate recovery pools and liquid storage tanks, the level gauges upload data to the platform in real time, realizing low liquid level alarms and automatic water replenishment linkage. The wireless architecture avoids long-distance cable laying and significantly shortens the installation cycle.
Wireless Transmission Technology and System Integration Advantages
Nexisense products uniformly adopt industrial-grade low-power design, with battery life up to more than 5 years (depending on the reporting cycle). They support multiple communication methods such as NB-IoT, LoRaWAN and 4G, adapting to Beijing's underground pipeline networks and complex indoor and outdoor environments.
The edge module has local caching and protocol conversion capabilities, supporting interfaces such as Modbus RTU to MQTT and OPC UA, and can directly connect to mainstream SCADA systems or heating cloud platforms without large-scale secondary development.
Actual project operation data shows that the communication success rate is stable above 99%, and the data delay is controlled at the second level, meeting the real-time requirements of heating scheduling. At the same time, the platform provides equipment health diagnosis functions, including battery power, signal strength and sensor drift monitoring, reducing long-term operation and maintenance burden.
This solution is highly compatible with the development trend of smart heating in the Beijing area and helps the project achieve the transition from traditional monitoring to full-process digital management.
Application Effects and Project Feedback
After the Beijing Power Heating Project was put into operation, the Nexisense wireless monitoring system has operated stably and reliably:
· Significantly reduced wiring and construction costs, with the deployment cycle shortened by about 40% compared to wired solutions.
· Achieved full coverage monitoring of key parameters of the pipeline network and improved abnormal response speed.
· Reduced on-site operation and maintenance manpower investment and supported remote batch management.
· Data accuracy and platform integration effects were recognized by the project party, providing a replicable template for subsequent similar projects.
For system integrators, this benchmark case verifies the compatibility and reliability of Nexisense products in municipal heating scenarios and can serve as an important reference for bidding or solution design.
Technical Highlights of Nexisense Wireless Product Series
· High reliability design: Industrial-grade protection (IP65/IP67), wide temperature operating range (-40～85℃), optional explosion-proof configuration.
· Flexible networking: Supports various topologies such as star and mesh, easy to expand and add new monitoring points.
· Standardized integration: Complete SDK and API support, compatible with mainstream industrial protocols and cloud platforms.
· Operation and maintenance friendly: Remote firmware upgrade, batch configuration and fault self-diagnosis functions.
These features make the products particularly suitable for engineering projects such as heating pipeline network renovation, heating station upgrades and multi-heat source joint commissioning.
FAQ
| No. | Question | Answer |
|---|---|---|
| 1 | In the Beijing heating project, how does the wireless pressure transmitter cope with low winter temperatures and pipeline network vibration environments? | The product adopts wide-temperature components and shock-absorbing installation structures, with an operating temperature range covering -40～85℃, and also has overpressure and mechanical impact protection. Through actual project verification, the equipment maintains measurement stability under seasonal temperature differences, and signal output fluctuations are controlled within the specification range in vibration environments. |
| 2 | How do Nexisense wireless products achieve data docking with existing smart heating platforms? | They support multiple protocols such as MQTT, Modbus TCP and OPC UA. The edge module can complete protocol conversion and data mapping. Integrators can quickly complete point table definition and alarm rule import through configuration files without modifying the core logic of the platform. |
| 3 | What are the installation and anti-crystallization measures for wireless level gauges in the project? | Static pressure level gauges are recommended. During installation, probes with isolation membranes or anti-blocking designs should be selected. The platform supports liquid level trend analysis and can provide early warning of crystallization risks. In actual deployment, regular self-cleaning or purging interfaces are used to ensure long-term measurement accuracy. |
| 4 | How is the communication reliability of wireless monitoring for heating pipeline networks guaranteed, especially in underground well chamber environments? | LoRaWAN or NB-IoT wide area network technology is adopted, combined with antenna optimization and relay node deployment to achieve wall penetration and long-distance coverage. The edge module has a local caching function and automatically retransmits data after short network interruptions. The actual measured packet loss rate of the project is extremely low. |
| 5 | What is the accuracy and response time performance of wireless temperature transmitters in supply and return water temperature difference monitoring? | Typical accuracy is ±0.5℃, and response time is less than 5 seconds. Combined with platform algorithms, real-time temperature difference calculation and heat metering assistance can be achieved, supporting refined execution of climate compensation control strategies. |
| 6 | What customized support can Nexisense provide when system integrators purchase in batches? | It supports adaptive customization of range, protocol interface and shell material, and provides complete technical docking documents, on-site debugging guidance and training services. Batch delivery is equipped with unified configuration tools to shorten the project integration cycle. |
| 7 | During long-term project operation, how to carry out equipment health management and battery replacement planning? | The IoT platform monitors battery power, signal strength and sensor status in real time, providing low battery warnings and health reports. Integrators can set replacement thresholds and plan maintenance in combination with seasonal heating shutdown periods to minimize system downtime. |
Summary
The stable application of Nexisense wireless pressure transmitters, wireless temperature transmitters and wireless level gauges in the Beijing Power Heating Project fully demonstrates the engineering value of industrial wireless IoT technology in the field of municipal heating. By eliminating wiring restrictions, achieving multi-parameter real-time collection and seamless platform integration, this solution helps the project improve pipeline network operation safety and optimize operation and maintenance efficiency, providing system integrators and engineering contractors with a mature and replicable reference path.
Nexisense will continue to focus on industrial scenario needs such as heating, fire protection and water affairs, iterate wireless sensing and edge module products, and assist more intelligent renovation projects to land. System integrators, project leaders and engineers are welcome to contact us to jointly discuss targeted heating monitoring solutions and promote the deepening application of industrial IoT in municipal infrastructure.
