Search

CN-121982824-A - Multi-probe data fusion industrial alarm

CN121982824ACN 121982824 ACN121982824 ACN 121982824ACN-121982824-A

Abstract

The invention discloses a multi-probe data fusion industrial alarm which comprises a distributed wireless monitoring probe module, a protocol conversion gateway module, a valve executing mechanism module and a monitoring terminal module, wherein the distributed wireless monitoring probe module is used for realizing multi-stage four-level safety redundancy protection of a coverage network, a gateway, local control and an executing mechanism full link, the distributed wireless monitoring probe module is used for deploying multi-type redundancy probes and supporting wireless communication switching and power failure emergency power supply, the protocol conversion gateway module is used for integrating an edge computing unit and a redundancy control unit, abnormal data is removed through a multi-source data fusion algorithm and is matched with main and standby hardware and software switching logic, the valve executing mechanism module adopts double-motor design and double-state feedback, and the monitoring terminal module supports remote control and local independent control. The invention solves the problem of false report missing of the traditional system through data fusion verification, avoids single-point fault and network failure out-of-control risks by relying on full-link redundancy protection, and is suitable for high-risk parks.

Inventors

  • LI XIANFENG
  • HU RONGGUI
  • YANG XIAOMAN

Assignees

  • 安徽鸿凌科技股份有限公司

Dates

Publication Date
20260505
Application Date
20260120

Claims (8)

  1. 1. The multi-probe data fusion industrial alarm is characterized by comprising a distributed wireless monitoring probe module, a protocol conversion gateway module, a valve actuating mechanism module and a monitoring terminal module, so that multi-stage four-level safety redundancy protection of a coverage network, a gateway, local control and an actuating mechanism full link is realized, and the risks of false alarm missing report and network breakage out-of-control are avoided through multi-source data fusion verification and local independent control; the distributed wireless monitoring probe module is provided with a plurality of types of redundant probes, a main wireless communication unit and a standby wireless communication unit are arranged in the distributed wireless monitoring probe module, automatic switching of a communication channel and power-off emergency power supply are supported, and continuous data acquisition is ensured; The protocol conversion gateway module integrates an edge computing unit and a redundancy control unit, the edge computing unit processes multi-probe data through a multi-source data fusion algorithm and eliminates abnormal data, and the redundancy control unit realizes automatic switching and fault self-diagnosis of a main core, a main network, a standby network and a main gateway; the valve actuating mechanism module adopts a main and standby double-motor design, a double-state feedback unit is built in, and the control instruction is reliably executed and the state is returned in real time; the monitoring terminal module supports redundant system state monitoring, parameter remote setting and emergency manual control, and the system can independently complete data verification and valve control through the local hardware module in a broken network state.
  2. 2. The multi-probe data fusion industrial alarm according to claim 1, wherein the distributed wireless monitoring probe module is not less than 2 monitoring probes, the types of the probes at least comprise two of combustible gas probes, toxic gas probes, flame probes and smoke probes, the deployment number of the probes in a key monitoring area is not less than 2, the main and standby wireless communication units of each probe support a LoRa/NB-IoT/ZigBee/433 wireless communication protocol, a high-performance battery, a solar charging unit and a standby button battery are built in, and the probes in the key area adopt a double-transmitting double-receiving data transmission mode.
  3. 3. The multi-probe data fusion industrial alarm according to claim 1, wherein the protocol conversion gateway module is further integrated with a wireless communication receiving unit, a protocol conversion unit and an instruction output unit, wherein the wireless communication receiving unit supports multi-channel parallel reception, is compatible with a plurality of wireless communication protocols and is provided with a data collision avoidance mechanism, the protocol conversion unit supports an Ethernet/4G/5G main and standby network interface, can automatically detect network states and switch communication links, the instruction output unit adopts a two-way instruction output design, and a standby instruction channel is activated immediately when a main instruction fails.
  4. 4. The multi-probe data fusion industrial alarm according to claim 1, wherein the redundant control unit hardware subunit of the protocol conversion gateway module comprises a dual-core processing module, an independent redundant storage unit, a dual-path power supply module and a main-standby gateway linkage interface.
  5. 5. The multi-probe data fusion industrial alarm according to claim 1, wherein the redundant control unit software subunits of the protocol conversion gateway module comprise a fault self-diagnosis module, a seamless switching control module, a multiple threshold check module and a historical data dual-backup module.
  6. 6. The multi-probe data fusion industrial alarm according to claim 1, wherein after the electric actuator of the valve actuating mechanism module receives the control instruction, the main motor drives the valve body to act preferentially, the standby motor is started immediately when the main motor fails, the response time of the valve closing action is less than or equal to 5 seconds, and the dual-state feedback unit adopts a combination mode of hardware contact feedback and software signal feedback and returns the valve on-off state and the motor working state in real time.
  7. 7. The multi-probe data fusion industrial alarm according to claim 1, wherein the parameter setting unit of the monitoring terminal module supports remote setting of probe alarm threshold, gateway linkage logic and redundancy control parameters, and the remote control unit allows a manager to manually send valve control instructions and supports remote inquiry and manual intervention of redundancy system states.
  8. 8. A control method based on the multi-probe data fusion industrial alarm according to any one of claims 1-7, characterized by comprising the following steps: Step 1, data acquisition, wherein a distributed wireless monitoring probe transmits real-time safety data to a protocol conversion gateway module through a main and standby wireless communication channel, and a key area probe adopts a dual-transmission dual-reception mode; Step 2, data fusion verification, namely carrying out weighted calculation on multi-probe data by an edge calculation unit through a multi-source data fusion algorithm, removing abnormal data with deviation exceeding 15%, and judging whether an alarm is given or not by a multi-threshold verification module by comparing a calculation result with a basic threshold and an emergency threshold; Step 3, linkage control, namely when the threshold value is exceeded, the command output unit sends a cutting command through a two-way channel, the main motor of the electric actuator drives the valve to be closed within 5 seconds, the main motor does not respond, the standby motor supplements the position, and the double feedback unit returns the state; Step 4, uploading data and remotely controlling, namely uploading the data to a monitoring terminal module by a protocol conversion gateway module through a main-standby network interface, and enabling a manager to remotely check the data or manually send a control instruction; and 5, multistage safety redundancy control, namely switching to a standby network in 3 seconds when the network is interrupted, starting local control when the network is interrupted, taking over work by a standby core or a standby gateway (within 5 seconds) when the main gateway fails, starting a standby power supply when the mains supply is interrupted, ensuring that the local control is more than or equal to 24 hours, and automatically synchronizing historical data and generating a fault report after the fault is recovered.

Description

Multi-probe data fusion industrial alarm Technical Field The invention belongs to the technical field of industrial safety monitoring, and particularly relates to a multi-probe data fusion industrial alarm. Background In industrial parks such as chemical industry, gas, dangerous chemicals storage, potential safety hazards such as gas leakage, conflagration are extremely great, need to realize the whole domain through many probe monitoring and cover. The traditional industrial alarm system mostly adopts linkage of a single probe and a valve, the data of multiple probes are not subjected to fusion verification, false alarm and false alarm of the valve are easy to occur, the valve is easy to malfunction, most systems are controlled by cloud instructions, local linkage cannot be realized when the network is disconnected, single-point risks such as gateway single-point faults, probe failure, power interruption and the like exist, safety redundancy capability is insufficient, and serious safety runaway hidden danger exists. Disclosure of Invention Aiming at the problems in the prior art, the invention provides the following technical scheme: The multi-probe data fusion industrial alarm comprises a distributed wireless monitoring probe module, a protocol conversion gateway module, a valve actuating mechanism module and a monitoring terminal module, so that multi-section four-level safety redundancy protection of a coverage network, a gateway, a local control and an actuating mechanism full link is realized, and the risks of false alarm and network failure and out-of-control are avoided through multi-source data fusion verification and local independent control; the distributed wireless monitoring probe module is provided with a plurality of types of redundant probes, a main wireless communication unit and a standby wireless communication unit are arranged in the distributed wireless monitoring probe module, automatic switching of a communication channel and power-off emergency power supply are supported, and continuous data acquisition is ensured; The protocol conversion gateway module integrates an edge computing unit and a redundancy control unit, the edge computing unit processes multi-probe data through a multi-source data fusion algorithm and eliminates abnormal data, and the redundancy control unit realizes automatic switching and fault self-diagnosis of a main core, a main network, a standby network and a main gateway; the valve actuating mechanism module adopts a main and standby double-motor design, a double-state feedback unit is built in, and the control instruction is reliably executed and the state is returned in real time; the monitoring terminal module supports redundant system state monitoring, parameter remote setting and emergency manual control, and the system can independently complete data verification and valve control through the local hardware module in a broken network state. The distributed wireless monitoring probe module is preferably not less than 2 monitoring probes, the types of the probes at least cover two of a combustible gas probe, a toxic gas probe, a flame probe and a smoke probe, the number of the deployment of the probes in a key monitoring area is not less than 2, a main and standby wireless communication unit of each probe supports a LoRa/NB-IoT/ZigBee/433 wireless communication protocol, a high-performance battery, a solar charging unit and a standby button battery are built in the main and standby wireless communication unit, and the probes in the key area adopt a double-transmission double-reception data transmission mode. The protocol conversion gateway module is preferably provided with a wireless communication receiving unit, a protocol conversion unit and an instruction output unit, wherein the wireless communication receiving unit supports multichannel parallel reception, is compatible with various wireless communication protocols and is provided with a data collision avoidance mechanism, the protocol conversion unit supports an Ethernet/4G/5G main/standby network interface, can automatically detect network states and switch communication links, the instruction output unit adopts a two-way instruction output design, and a standby instruction channel is activated immediately when a main instruction fails. As the optimization of the technical scheme, the redundant control unit hardware subunit of the protocol conversion gateway module comprises a dual-core processing module, an independent redundant storage unit, a dual-path power supply module and a main and standby gateway linkage interface. As the optimization of the technical scheme, the redundancy control unit software subunit of the protocol conversion gateway module comprises a fault self-diagnosis module, a seamless switching control module, a multiple threshold value verification module and a historical data dual-backup module. As the optimization of the technical scheme, after the electric actuator of the va