Steam total meter millisecond level acquisition system

Abstract

The utility model discloses a kind of millisecond acquisition systems of steam total meter, including multiple steam total meter, operator communication server, LAN host, DCS station communication module and DCS production network host;4G transmission module is equipped on each steam total meter, and operator communication server is wirelessly connected by 4G network, for sending the steam data collected to operator communication server under different acquisition system according to different acquisition period;The operator communication server is connected with LAN host by wired or wireless network, and the steam data received is transmitted to LAN host;LAN host and DCS station communication module are connected using hand-in-hand parallel connection hardwiring connection mode, and the communication protocol of steam total meter is accessed DCS station communication module by modbus protocol channel;The DCS station communication module is connected with DCS production network host by wired connection.The utility model whole structure is simple and reasonable, practical and convenient, and stable in operation.

Description

Technical Field

[0001] This utility model belongs to the field of steam system data management technology, and relates to a steam master meter millisecond-level data acquisition system. Background Technology

[0002] In industrial production, steam systems are an indispensable energy supply system for many enterprises. Steam systems typically consist of multiple stages, such as steam production, transportation, distribution, and use. The accuracy and synchronization of data in each stage are crucial for the stable operation and optimized management of the system.

[0003] However, existing steam system data management suffers from numerous problems. On one hand, different data acquisition systems (such as the DCS system in the production area and the external steam supply network system) have different acquisition cycles and data transmission methods, making real-time and accurate data synchronization difficult. For example, the DCS system has a 500ms acquisition cycle, while the network system uses 4G wireless transmission with a 30s acquisition cycle, which increases when the operator's signal is unstable. This makes data integration and sharing between different systems difficult. On the other hand, traditional data transmission methods are unstable and easily affected by signal interference, equipment failures, and other factors, leading to data loss or distortion, which in turn affects the operational decisions of staff and the steam balance analysis in the process.

[0004] To address this issue, a steam meter data acquisition system with millisecond-level acquisition capability was designed. Utility Model Content

[0005] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a steam meter millisecond-level data acquisition system that is simple and reasonable in structure, practical and safe, stable in operation, accurate and efficient in data synchronization, convenient in operation, and highly adaptable and expandable.

[0006] This utility model is achieved through the following technical solution: a millisecond-level data acquisition system for steam main meters, comprising multiple steam main meters, an operator communication server, a local area network host, a DCS station communication module, and a DCS production network host; each steam main meter is equipped with a 4G transmission module, which wirelessly connects to the operator communication server via a 4G network, for transmitting the acquired steam data to the operator communication server at different acquisition cycles (500ms for DCS, 30s for 4G wireless transmission in the heating network, with the duration increasing when the operator signal is unstable) under different acquisition systems (production area DCS system, steam external heating network system); the operator communication server transmits the acquired steam data to the operator communication server via wired or... The wireless network connects to the LAN host, transmitting the received steam data to the LAN host. The LAN host and the DCS station communication module are connected using a daisy-chain parallel connection with hardwired connections. An additional Modbus protocol channel is added to the existing steam meter's communication protocol to connect to the DCS station communication module, enabling data synchronization between the steam meter and the DCS station communication module (covering various production stages such as main steam, desuperheating and depressurization, and self-consumption in the production area). The DCS station communication module is connected to the DCS production network host via a wired connection, transmitting the synchronized data to the DCS production network host, providing data support for operator operations and steam balance analysis at various stages of the process.

[0007] Preferably, the 4G transmission module of the steam meter includes a signal enhancement unit, which is used to enhance the 4G signal when the operator signal is unstable, so as to ensure the stability of steam data transmission.

[0008] As a preferred embodiment, the operator communication server is equipped with a data caching unit. When an abnormality occurs during data transmission to the local area network host, the steam data that was not successfully transmitted is cached and transmission continues after the transmission is restored to normal.

[0009] As a preferred embodiment, the DCS station communication module is equipped with a data verification unit to verify the data received through a daisy-chain parallel connection with hard-wired connections, ensuring the accuracy and integrity of the data before transmitting it to the DCS production network host.

[0010] Preferably, the DCS station communication module also includes a data display unit, which is used to connect to the DCS production network host and display the received data in an intuitive chart or numerical form, making it convenient for employees to view and operate in real time.

[0011] The beneficial effects of this utility model are as follows: 1) Data synchronization is accurate and efficient. This utility model's data acquisition device modifies the communication protocol of the steam master meter by adding a Modbus protocol channel. It uses a daisy-chain parallel connection with hard-wired connections to link the local area network host to the DCS station communication module, achieving precise data synchronization between the steam master meter and various production stages, including main steam, desuperheating and pressure reduction, and self-consumption. Regardless of the significant differences in acquisition cycles between different systems (production area DCS system and external steam heating network system) (DCS is 500ms, heating network is 30s via 4G wireless transmission, with the duration increasing when the operator's signal is unstable), it ensures timely and accurate data transmission between different stages. This avoids production decision-making errors and inaccurate steam balance analysis caused by data asynchrony, greatly improving the operational management efficiency of the steam system.

[0012] 2) Data transmission is stable and reliable. The 4G transmission module of the steam meter is equipped with a signal enhancement unit, which automatically strengthens the signal when the operator's signal is unstable, ensuring the stability of steam data during wireless transmission. Simultaneously, the data caching unit on the operator's communication server can cache unsuccessfully transmitted data when transmission to the local area network host encounters anomalies. Transmission can resume once normal operation is restored, effectively preventing data loss and ensuring the integrity and reliability of data transmission. This provides a solid data foundation for subsequent data analysis and production operations.

[0013] 3) Ensuring data accuracy and integrity The data verification unit in the DCS station communication module rigorously verifies data received via a daisy-chain parallel connection and hard-wired connection. Only data that passes verification is transmitted to the DCS production network host. This design ensures data accuracy and integrity from the data reception stage, avoiding adverse effects on production operations and steam balance analysis caused by data errors or omissions, and improving the overall quality of steam system data management.

[0014] 4) Ease of operation and decision support The device's data display unit connects to the DCS production network host, displaying received data in intuitive charts or numbers. This allows operators to view various data points of the steam system in real time and clearly, facilitating rapid understanding of system operation status and timely, correct operational decisions. Simultaneously, accurate and synchronized data provides strong support for steam balance analysis at each stage of the process, helping to optimize production processes, improve energy efficiency, and reduce production costs.

[0015] 5) High adaptability and good scalability This device is highly adaptable, capable of handling different data acquisition systems and complex, variable data acquisition cycles. Furthermore, its rational structural design and flexible connection methods between components facilitate subsequent system expansion and upgrades. For example, the number of steam meters can be increased or decreased according to actual needs, or it can be integrated with other related systems, further enhancing the device's practicality and application scope. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model. Detailed Implementation

[0017] To enable those skilled in the art to more clearly understand the purpose, technical solution and advantages of this utility model, the present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0018] In the description of this utility model, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", "horizontal", and "vertical" are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0019] The present invention will now be described in detail with reference to the accompanying drawings: Figure 1 As shown, a millisecond-level data acquisition system for steam master meters includes multiple steam master meters 1, an operator communication server 2, a local area network host 3, a DCS station communication module 4, and a DCS production network host 5. Each steam master meter 1 is equipped with a 4G transmission module 6, which wirelessly connects to the operator communication server via a 4G network. This module is used to transmit the acquired steam data to the operator communication server 2 at different acquisition cycles (500ms for DCS, 30s for 4G wireless transmission in the heating network, with the duration increasing when the operator signal is unstable) under different acquisition systems (production area DCS system, external steam heating network system). The operator communication server 2 connects to the local area network via wired or wireless network. The host 3 is connected to transmit the received steam data to the local area network host 3. The local area network host 3 and the DCS station communication module 4 are connected by a daisy-chain parallel connection plus hard-wired connection. The communication protocol of the steam master meter 1 is modified to add a Modbus protocol channel to the DCS station communication module 4, so as to realize the data synchronization between the steam master meter 1 and the DCS station communication module 4 (main steam, desuperheating and depressurization, self-consumption and other production links in the production area). The DCS station communication module 4 is connected to the DCS production network host 5 through a wired connection, and transmits the synchronized data to the DCS production network host 5, so as to provide data support for the operation of the staff and the steam balance analysis of each process link.

[0020] The 4G transmission module 6 of the steam master meter 1 includes a signal enhancement unit to enhance the 4G signal when the operator signal is unstable, ensuring the stability of steam data transmission. The operator communication server 2 is equipped with a data caching unit 7 to cache unsuccessfully transmitted steam data when data transmission to the local area network host 3 fails, and resume transmission after normal operation is restored. The DCS station communication module 4 is equipped with a data verification unit 8 to verify the data received via daisy-chain parallel connection with hardwired connection, ensuring the accuracy and integrity of the data before transmission to the DCS production network host 5.

[0021] The DCS station communication module 4 also includes a data display unit 9, which is used to connect to the DCS production network host 5 and display the received data in an intuitive chart or numerical form, making it convenient for employees to view and operate in real time.

[0022] This utility model's data acquisition device modifies the communication protocol of the steam main meter by adding a Modbus protocol channel. It uses a daisy-chain parallel connection with hard-wired connections to link the local area network host to the DCS station communication module, achieving precise data synchronization between the steam main meter and various production stages, including main steam, desuperheating and pressure reduction, and self-consumption. Regardless of the significant differences in acquisition cycles between different systems (production area DCS system and external steam heating network system) (DCS is 500ms, heating network is 30s 4G wireless transmission, with the duration increasing when the operator signal is unstable), it ensures timely and accurate data transmission between different stages. This avoids production decision-making errors and inaccurate steam balance analysis caused by data asynchrony, greatly improving the operational management efficiency of the steam system. The steam main meter's 4G transmission module is equipped with a signal enhancement unit that automatically strengthens the signal when the operator signal is unstable, ensuring the stability of steam data during wireless transmission. Meanwhile, the data caching unit equipped on the operator's communication server can cache unsuccessfully transmitted data when an anomaly occurs during data transmission to the local area network host. Once the transmission is restored to normal, it can continue transmission, effectively preventing data loss and ensuring the integrity and reliability of data transmission, thus providing a solid data foundation for subsequent data analysis and production operations.

[0023] The data display unit of this device connects to the DCS production network host, enabling the receiving data to be displayed in intuitive charts or numbers. This allows operators to view various data points of the steam system in real time and clearly, facilitating a quick understanding of the system's operating status and timely, correct operational decisions. Simultaneously, accurate and synchronized data provides strong support for steam balance analysis at each stage of the process, helping to optimize production processes, improve energy efficiency, and reduce production costs.

[0024] The device of this invention can adapt to different data acquisition systems and complex and ever-changing data acquisition cycle requirements, demonstrating strong adaptability. Furthermore, its rational structural design and flexible connection methods between components facilitate subsequent system expansion and upgrades. For example, the number of steam meters can be increased or decreased according to actual needs, or it can be integrated with other related systems, further enhancing the device's practicality and application scope.

[0025] The specific embodiments described herein are merely illustrative of the principles and effects of this utility model and are not intended to limit the scope of this utility model. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of this utility model. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in this utility model should still be covered by the claims of this utility model.

Claims

1. A steam totalizer millisecond-level acquisition system, characterized in that: The system includes multiple steam master meters (1), an operator communication server (2), a local area network host (3), a DCS station communication module (4), and a DCS production network host (5). Each steam master meter (1) is equipped with a 4G transmission module (6), which is wirelessly connected to the operator communication server via a 4G network. This module is used to send the collected steam data to the operator communication server (2) at different collection cycles under different collection systems. The operator communication server (2) is connected to the local area network host (3) via a wired or wireless network to transmit the received steam data to the local area network host. The local area network host (3) and the DCS station communication module (4) are connected by a daisy-chain parallel connection with hard wiring. The steam meter (1) is connected to the DCS station communication module (4) through the Modbus protocol channel to realize data synchronization between the steam meter (1) and the DCS station communication module (4). The DCS station communication module (4) is connected to the DCS production network host (5) through a wired connection to transmit the synchronized data to the DCS production network host (5) and provide data support for the operation of the staff and the steam balance analysis of each process link.

2. The system according to claim 1, wherein: The 4G transmission module (6) of the steam meter (1) includes a signal enhancement unit, which is used to enhance the 4G signal when the operator signal is unstable, so as to ensure the stability of steam data transmission.

3. The system of claim 1, wherein: The operator communication server (2) is equipped with a data caching unit (7) for caching the steam data that was not successfully transmitted when there is an abnormality in the transmission of data to the local area network host (3), and continuing the transmission after the transmission is restored to normal.

4. The system of claim 1, wherein: The DCS station communication module (4) is equipped with a data verification unit (8) to verify the data received by the daisy-chain parallel connection with hard wiring, and to ensure the accuracy and integrity of the data before transmitting it to the DCS production network host (5).

5. The system according to any one of claims 1-4, wherein: The DCS station communication module (4) also includes a data display unit (9), which is used to connect with the DCS production network host (5) to display the received data in an intuitive chart or number form, so that the operating staff can view and operate it in real time.

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