Continuous detection system for gas alarm

By designing a continuous detection system for gas alarms, real-time monitoring and continuous detection are realized using high-sensitivity sensors and data processing units, solving the problems of intermittent detection and manual intervention in the prior art, and improving the accuracy and safety of detection.

CN119534568AInactive Publication Date: 2025-02-28JIANGSU LESUDA MEASUREMENT CO LTD
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Patent Information

Application Number
CN202411560672.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-02-28
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing gas alarms mostly use intermittent detection or detection methods that require manual intervention, which limits their ability to monitor continuously, may lead to delayed alarms and increase safety risks.

Method used

A continuous detection system for gas alarms is designed. The system is equipped with a number of high-sensitivity electrochemical and semiconductor sensors, combined with a data processing unit, an alarm unit and a power management unit to realize real-time monitoring and continuous detection.

Benefits of technology

Real-time monitoring and continuous detection are realized, data accuracy and timeliness are improved, high sensitivity and rapid response capabilities are provided, the risks of false alarms and missed alarms are reduced, and the stability and reliability of the system are improved.

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Abstract

The invention discloses a continuous detection system for a gas alarm in the technical field of gas detection, the system can be carried on an intelligent computer with a processor for use, a control end needs to be provided with a plurality of gas sensors, and the continuous detection system comprises a sensor unit and a control unit, the system is composed of high-sensitivity electrochemical and semiconductor sensors, and the multiple sensors can detect gas concentration changes as low as ppm level and are responsible for collecting and processing gas samples in real time so as to ensure that the system can accurately monitor and give an alarm; and a data processing unit. Compared with the prior art, the continuous detection system provided by the invention provides higher reliability and real-time performance for the gas alarm. Through an advanced sensor technology and intelligent data processing, quick response to harmful gas and accurate alarm are ensured. In addition, in combination with a renewable energy power supply design, the independence and the application range of the equipment are greatly improved, and the device is particularly suitable for being used in remote areas or areas with unstable electric power.
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Description

Technical Field

[0001] The invention relates to the technical field of gas detection, in particular to a continuous detection system for a gas alarm. Background Art

[0002] Gas detection technology originated in the 1930s. With the improvement of science and technology, the development of computer microprocessor technology, the improvement of modern digital signal processing technology, the introduction of new semiconductor materials and the advancement of processing and manufacturing technology, gas alarms have developed rapidly in recent years. In the early days, gas sensors were mainly used to detect flammable or toxic gases to prevent fires, explosions and poisoning accidents. With the continuous advancement of technology, the types, functions and application scope of gas alarms have continued to expand, gradually expanding from single household gas alarms to industrial flammable gas alarms and toxic and harmful gas alarms.

[0003] In order to meet the market demand for high precision, multi-function, portability and intelligence, modern gas alarms use ARM and CP2102 technology to improve the accuracy and portability of the equipment, while also expanding functions such as harmonic analysis and incorrect wiring judgment.

[0004] Gas alarms play a vital role in the field of industrial safety and environmental monitoring. They can detect the leakage of harmful gases in a timely manner and prevent potential dangerous accidents. However, existing gas alarms mostly use intermittent detection or detection methods that require manual intervention, which limits their ability to continuously monitor and may cause delayed alarms, increasing safety risks. Summary of the invention

[0005] The object of the present invention is to provide a continuous detection system for a gas alarm to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a continuous detection system for a gas alarm, which can be mounted on an intelligent computer with a processor for use, and the control end needs to have multiple gas sensors, including:

[0007] Sensor unit: includes multiple sensors, which are composed of highly sensitive electrochemical and semiconductor sensors. Multiple sensors can detect changes in gas concentrations as low as ppm level. They are responsible for real-time collection and processing of gas samples to ensure that the system can accurately monitor and alarm;

[0008] Data processing unit: responsible for receiving the gas concentration data transmitted by the sensor unit, processing and analyzing the data through the built-in algorithm, and evaluating the detected gas concentration according to the preset safety standards to determine whether there is a potential safety risk;

[0009] Alarm unit: responsible for issuing an alarm in time when potentially dangerous gas concentrations are detected;

[0010] Power management unit: responsible for providing stable and reliable power support for the entire system.

[0011] As a further solution of the present invention: the data processing unit further includes the following submodules:

[0012] Data reception and signal conversion: The data processing unit first receives analog and digital signals from the sensor unit, and amplifies, filters and digitizes these signals to ensure the accuracy and reliability of the signals and provide clean data input for subsequent analysis;

[0013] Data analysis and real-time monitoring: The collected data is analyzed in depth through algorithms, including identifying gas types, measuring gas concentrations, and monitoring concentration change trends. Through real-time monitoring, changes in gas concentrations can be continuously tracked and potential safety threats can be responded to in a timely manner.

[0014] Alarm triggering and communication: When the detected gas concentration exceeds the preset safety threshold, the data processing unit will trigger the alarm system and send out an audible and visual alarm to alert people around;

[0015] Self-calibration and fault diagnosis: To ensure the accuracy and stability of the system's long-term operation, the module can automatically adjust and optimize its internal parameters, perform fault self-diagnosis, and promptly detect and report any potential technical problems, reducing maintenance costs and extending the overall service life of the system;

[0016] Data recording and analysis: All test data and their analysis results are stored and detailed data logs are established for further historical trend analysis, environmental assessment and security strategy formulation, helping managers make data-based decisions to optimize safety measures and response strategies.

[0017] As a further solution of the present invention: the alarm unit includes an audible and visual alarm module, a wireless communication module, a multi-level early warning module, a manual reset module, a self-test and maintenance module, a compatibility and expandability module, a power management module and a user interface and operation module.

[0018] As a further solution of the present invention: the power management unit includes a power conversion module, a control module, a start module, a start control module and a delay module.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] Real-time monitoring and continuous detection: The system can monitor and continuously detect the volume fraction of the target gas in real time to ensure the accuracy and timeliness of the data.

[0021] High sensitivity and fast response: The use of gas sensors and sensitive elements based on the pyroelectric effect enables the system to have high sensitivity and fast response speed, and can quickly detect changes in gas concentration.

[0022] Stability and reliability: The system adopts advanced power management unit and data processing algorithm to ensure the stability and reliability of the equipment, effectively reducing the risk of false alarms and missed alarms.

[0023] Intelligent control and automatic adjustment: Through the intelligent decision-making unit and automatic adjustment circuit, the system can automatically adjust the power output according to actual needs, which not only saves energy but also effectively extends the service life of the equipment.

[0024] Portability and flexibility: The portable design means that the gas alarm is not limited to fixed locations, but can also be carried with you or temporarily installed at locations where detection is required, greatly expanding its application scenarios.

[0025] Improved safety: In industrial and domestic environments, timely and accurate gas leak detection can effectively prevent fire, explosion and poisoning accidents, and ensure the safety of personnel and property.

[0026] Compared with the prior art, the continuous detection system of the present invention provides higher reliability and real-time performance for gas alarms. It ensures rapid response and accurate alarm for harmful gases through advanced sensor technology and intelligent data processing. In addition, the power supply design combined with renewable energy greatly improves the independence and scope of application of the equipment, which is particularly suitable for use in remote areas or areas with unstable power supply. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 The present invention is a schematic diagram of the system structure of a continuous detection system for a gas alarm. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0030] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "set" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] See also Figure 1 In an embodiment of the present invention, a continuous detection system for a gas alarm can be mounted on an intelligent computer with a processor for use, and the control end needs to have multiple gas sensors, including:

[0033] Sensor unit: includes multiple sensors, which are composed of highly sensitive electrochemical and semiconductor sensors. Multiple sensors can detect changes in gas concentrations as low as ppm level. They are responsible for real-time collection and processing of gas samples to ensure that the system can accurately monitor and alarm;

[0034] Data processing unit: responsible for receiving the gas concentration data transmitted by the sensor unit, processing and analyzing the data through the built-in algorithm, and evaluating the detected gas concentration according to the preset safety standards to determine whether there is a potential safety risk;

[0035] Alarm unit: responsible for issuing an alarm in time when potentially dangerous gas concentration is detected;

[0036] Power management unit: responsible for providing stable and reliable power support for the entire system.

[0037] The sensor unit is a key technical part of the present invention, which is mainly responsible for real-time collection and processing of gas samples to ensure that the system can accurately monitor and alarm. The sensor unit is composed of highly sensitive electrochemical or semiconductor sensors that can detect changes in gas concentrations as low as ppm. The sensor unit has a self-calibration function, which maintains its accuracy in long-term operation through an automatic correction process, thereby ensuring the reliability and stability of the monitoring results.

[0038] The sensor unit uses advanced sensing technology to continuously monitor the gas composition and concentration in a specific area. These sensors convert the detected gas type and its concentration into electrical signals, which are then further analyzed by the data processing unit. This continuous monitoring mechanism allows the system to quickly respond to any abnormal changes in gas concentration and activate alarms when potential dangerous thresholds are reached, greatly improving the system's reaction speed and safety.

[0039] In summary, the sensor unit, as the core component of the continuous detection system of the present invention, provides strong technical support for gas safety monitoring through its high sensitivity and self-calibration function. This not only improves the detection efficiency and accuracy of the system, but also brings innovation to the field of industrial safety and environmental monitoring.

[0040] The data processing unit is a core component that is mainly responsible for receiving the gas concentration data transmitted by the sensor unit and processing and analyzing the data through the built-in algorithm. This unit not only has a high data processing capability, but also can evaluate the detected gas concentration according to the preset safety standards to determine whether there is a potential safety risk. It includes the following submodules:

[0041] Data reception and signal conversion:

[0042] The data processing unit first receives analog or digital signals from the sensor unit. These signals are direct representations of gas concentration changes and need to be accurately decoded and converted.

[0043] These signals are amplified, filtered and digitized to ensure the accuracy and reliability of the signals and provide clean data input for subsequent analysis.

[0044] Data analysis and real-time monitoring:

[0045] Advanced algorithms, such as machine learning and pattern recognition techniques, are used to conduct in-depth analysis of the collected data. This includes identifying gas types, measuring gas concentrations, and monitoring concentration trends.

[0046] Through real-time monitoring, the system can continuously track changes in gas concentration and respond to potential safety threats in a timely manner. Real-time data processing not only improves detection efficiency, but also enhances the response speed of the alarm system.

[0047] Alarm triggering and communication:

[0048] When the detected gas concentration exceeds the preset safety threshold, the data processing unit will trigger the alarm system and sound an audible and visual alarm to alert people around.

[0049] In addition, the data processing unit also has wireless transmission function, which can send real-time data and alarm information to the central monitoring system or mobile devices, making remote monitoring possible.

[0050] Self-calibration and troubleshooting:

[0051] To ensure accuracy and stability in long-term operation, the data processing unit is designed with a self-calibration function that can automatically adjust and optimize its internal parameters.

[0052] The system can also perform fault self-diagnosis, promptly detect and report any potential technical problems, reduce maintenance costs and extend the overall service life of the system.

[0053] Data recording and analysis:

[0054] The data processing unit will store all test data and their analysis results and create a detailed data log.

[0055] This data can be used for further historical trend analysis, environmental assessment and security strategy formulation, helping managers make data-based decisions to optimize security measures and response strategies.

[0056] In summary, in the present invention, the data processing unit plays a vital role, which significantly improves the performance and reliability of the gas detection system through efficient data processing, intelligent analysis and immediate response mechanism. This not only helps to prevent and deal with potential dangerous situations in a timely manner, but also optimizes resource management and improves the automation and intelligence level of the system. Therefore, the data processing unit is a key technology for achieving continuous and real-time monitoring and early warning, which is crucial to ensuring efficient operation in the field of industrial safety and environmental monitoring.

[0057] In the gas detection system of the present invention, the self-calibration of the data processing unit is a key technical point, which ensures that the device can operate stably and maintain high accuracy for a long time. The self-calibration process usually involves the following key steps:

[0058] Benchmark settings:

[0059] The data processing unit sets a baseline value during initial installation or at specific time intervals based on known standard gas samples or by comparative measurements with high-precision reference sensors. This baseline value serves as a reference point for subsequent automatic calibration.

[0060] The system can be set to automatically perform a baseline update when environmental baseline conditions stabilize, ensuring that the calibration reflects current environmental conditions.

[0061] Deviation Detection:

[0062] The data processing unit regularly compares the data output by the sensor with a reference value to identify any systematic deviations. This includes detecting errors caused by sensor drift, sensitivity changes or environmental influences.

[0063] With built-in diagnostic features, such as continuous monitoring of sensor output stability and consistency, the system is able to detect signs of performance degradation in real time.

[0064] Automatic Adjustment:

[0065] As soon as a significant deviation is detected, the data processing unit initiates an automatic calibration procedure to adjust the sensor's characteristic parameters, such as zero point and sensitivity, to compensate for the detected deviation.

[0066] This process may include adjusting digital gain, correcting temperature compensation algorithms, or resetting algorithm parameters.

[0067] Feedback loop:

[0068] After calibration, the system will once again compare the sensor output with the reference value to confirm the calibration effect and determine whether further adjustments are needed.

[0069] The data processing unit records calibration activities and results, which can be used for future maintenance and troubleshooting analysis.

[0070] Intelligent decision support:

[0071] Using machine learning and data analysis techniques, the data processing unit is able to predict the best calibration timing and adjustment strategy based on historical calibration data and operating conditions.

[0072] This intelligent decision support system reduces human intervention and improves the efficiency and effectiveness of calibration.

[0073] Remote monitoring and optimization:

[0074] Through the wireless communication interface, the data processing unit can receive calibration instructions from the remote monitoring system, or send calibration status reports.

[0075] Remote teams can adjust calibration strategies to achieve optimized configuration based on device performance and environmental changes.

[0076] Through the above steps, the data processing unit can effectively calibrate automatically to ensure the accuracy and reliability of the sensor, thereby improving the performance of the entire gas detection system. The self-calibration mechanism not only reduces the need for manual maintenance, but also improves the system's autonomy and ability to adapt to environmental changes.

[0077] In the gas detection system of the present invention, the data processing unit uses advanced algorithms and technologies to ensure accurate and efficient data processing. It includes the following processing flow:

[0078] Signal preprocessing:

[0079] When the sensor collects gas concentration data, the data will first go through the signal preprocessing stage, which includes signal amplification, filtering and analog-to-digital conversion (if the sensor output is an analog signal).

[0080] The purpose of preprocessing is to remove noise, enhance the reliability of the signal, and ensure the accuracy of subsequent processing steps.

[0081] Baseline correction and drift compensation:

[0082] The system establishes a baseline of the sensor output by periodically calibrating or using reference gas samples. The baseline data helps identify long-term drift and deviation of the sensor.

[0083] The data processing unit automatically adjusts the sensor readings to compensate for any drift, ensuring stable and accurate measurement results.

[0084] Feature extraction and pattern recognition:

[0085] By applying machine learning algorithms, such as support vector machines or neural networks, the data processing unit extracts key features from the sensor data and identifies specific gas patterns.

[0086] This process helps to distinguish different types of gases and identify changes in gas composition in complex environments.

[0087] Multi-sensor data fusion:

[0088] If the system contains multiple types of gas sensors, the data processing unit will use data fusion technology to integrate the data from each sensor.

[0089] Data fusion improves system redundancy and reliability, and by combining information from multiple sensors, gases can be classified and quantified more accurately.

[0090] Real-time data analysis and trend forecasting:

[0091] The data processing unit continuously analyzes real-time data and compares it with historical data to monitor the changing trend of gas concentration.

[0092] Using prediction models, such as time series analysis, the system can predict future changes in gas concentrations and provide a scientific basis for early warning.

[0093] Threshold determination and alarm triggering:

[0094] The data processing unit evaluates the gas concentration according to the preset safety threshold. Once the detection value exceeds the threshold, the system triggers an alarm.

[0095] The alarm system can immediately notify the operator and send the alarm information to the remote monitoring center through the wireless communication module.

[0096] Self-diagnosis and maintenance prediction:

[0097] The system performs regular self-diagnostics to check the functionality of the sensors and the operating status of the data processing unit.

[0098] Through predictive maintenance algorithms, the data processing unit is able to predict potential failures and maintenance needs, notifying managers in advance to perform maintenance.

[0099] Data Logging and Reporting:

[0100] All processed data and system responses are recorded in internal storage or uploaded to a cloud database.

[0101] This data can be used to generate detailed reports for safety analysis and future decision making.

[0102] In summary, through these advanced data processing and analysis methods, the gas detection system of the present invention can achieve efficient and accurate gas monitoring and early warning, greatly improving the intelligence level and safety performance of the system.

[0103] In the gas detection system of the present invention, the data processing unit adopts an advanced determination method to process and analyze the sensor data. The following is an introduction to the specific determination method:

[0104] Signal preprocessing determination:

[0105] When the sensor collects gas concentration data, the data will first go through the signal preprocessing stage, which includes signal amplification, filtering and analog-to-digital conversion (if the sensor output is an analog signal).

[0106] The purpose of preprocessing is to remove noise, enhance the reliability of the signal, and ensure the accuracy of subsequent processing steps.

[0107] Baseline correction and drift compensation determination:

[0108] The system establishes a baseline of the sensor output by periodically calibrating or using reference gas samples. The baseline data helps identify long-term drift and deviation of the sensor.

[0109] The data processing unit automatically adjusts the sensor readings to compensate for any drift, ensuring stable and accurate measurement results.

[0110] Feature extraction and pattern recognition:

[0111] By applying machine learning algorithms, such as support vector machines or neural networks, the data processing unit extracts key features from the sensor data and identifies specific gas patterns.

[0112] This process helps to distinguish different types of gases and identify changes in gas composition in complex environments.

[0113] Multi-sensor data fusion judgment:

[0114] If the system contains multiple types of gas sensors, the data processing unit will use data fusion technology to integrate the data from each sensor.

[0115] Data fusion improves system redundancy and reliability, and by combining information from multiple sensors, gases can be classified and quantified more accurately.

[0116] Real-time data analysis and trend prediction:

[0117] The data processing unit continuously analyzes real-time data and compares it with historical data to monitor the changing trend of gas concentration.

[0118] Using prediction models, such as time series analysis, the system can predict future changes in gas concentrations and provide a scientific basis for early warning.

[0119] Threshold determination and alarm triggering:

[0120] The data processing unit evaluates the gas concentration according to the preset safety threshold. Once the detection value exceeds the threshold, the system triggers an alarm.

[0121] The alarm system can immediately notify the operator and send the alarm information to the remote monitoring center through the wireless communication module.

[0122] Self-diagnosis and maintenance prediction:

[0123] The system performs regular self-diagnostics to check the functionality of the sensors and the operating status of the data processing unit.

[0124] Through predictive maintenance algorithms, the data processing unit is able to predict potential failures and maintenance needs, notifying managers in advance to perform maintenance.

[0125] Data Recording and Reporting Determination:

[0126] All processed data and system responses are recorded in internal storage or uploaded to a cloud database.

[0127] This data can be used to generate detailed reports for safety analysis and future decision making.

[0128] In summary, through these advanced determination methods, the gas detection system of the present invention can achieve efficient and accurate gas monitoring and early warning, greatly improving the intelligence level and safety performance of the system.

[0129] In the gas detection system of the present invention, the alarm unit is a key component, which is responsible for timely issuing an alarm when a potentially dangerous gas concentration is detected. The following is its composition and working method:

[0130] Sound and light alarm:

[0131] When the data processing unit determines that there is a gas leak or other dangerous situation based on the sensor data, it will immediately send a signal to the alarm unit.

[0132] After receiving the signal, the alarm unit activates the built-in buzzer and light to attract the attention of people around through sound and light signals.

[0133] Wireless Communication:

[0134] The alarm unit not only triggers an audible and visual alarm locally, but also sends alarm information to a remote monitoring center or the manager's mobile phone via a wireless communication module.

[0135] The wireless communication function ensures that relevant personnel can be notified in time and emergency measures can be taken quickly even in an unattended environment.

[0136] Multi-level warning:

[0137] The system can set multiple levels of warning thresholds according to different gas concentrations. For example, when the gas concentration reaches the set first-level threshold, the local alarm unit starts a lower-frequency beep and a yellow flashing light.

[0138] When the concentration continues to rise and reaches the second level threshold, the alarm sound and light will become more urgent, and a higher level alarm will be sent through the wireless module.

[0139] Manual reset:

[0140] The alarm unit is designed with a manual reset function to prevent unnecessary continuous alarms caused by misoperation or false alarms.

[0141] After the alarm is lifted, manual reset operation is required to ensure that the system returns to normal monitoring status.

[0142] Self-check and maintenance:

[0143] The alarm unit has a self-diagnosis function that can periodically check whether its internal circuits and connections are in good condition.

[0144] When a fault is detected, it will automatically notify maintenance personnel to conduct inspection and repair to ensure system reliability.

[0145] Compatibility and scalability:

[0146] The alarm unit design takes into account compatibility with other safety systems, such as fire alarm system, automatic fire extinguishing system, etc.

[0147] Through simple configuration, it can be linked with other security devices or systems to improve the overall security protection level.

[0148] Power Management:

[0149] The alarm unit usually uses an independent power supply to ensure that it can still work normally in the event of a main power failure.

[0150] Advanced designs may include backup batteries and power management systems to handle unexpected power issues.

[0151] User interface and operation:

[0152] The alarm unit is equipped with a simple and intuitive user interface, including indicator lights, buttons and display screens.

[0153] Users can view the current status, history, and perform configuration and test operations through the interface.

[0154] In summary, as a key component of the gas detection system, the alarm unit has greatly improved the safety of the environment with its diverse alarm methods and highly automated design. Through real-time monitoring and immediate response, the alarm unit ensures that relevant personnel can be quickly notified and corresponding measures can be taken when potential dangers are discovered, thereby effectively preventing accidents from happening.

[0155] In the gas detection system of the present invention, the power management unit is a crucial component, which is responsible for providing stable and reliable power support for the entire system. The following are its composition, functions and working principles:

[0156] composition

[0157] Power conversion module: The power management unit includes one or more power conversion modules that can convert the input power into voltages suitable for different system components.

[0158] Control Module: The control module is responsible for monitoring and regulating the output of the power conversion module, ensuring that each part is properly powered and cutting off the power supply when necessary to prevent overload.

[0159] Startup module: The startup module generates an initial startup signal, which triggers the power management unit to start working.

[0160] Startup control module: Based on the initial startup signal, the startup control module generates direct startup signals corresponding to different startup groups through delay. This ensures that the power converters in different startup groups can be started at different times, thereby reducing instantaneous current shocks.

[0161] Delay unit: The delay unit receives the initial start signal and delays the signal for a predetermined time to generate a second direct start signal. This hierarchical start method further reduces the current impact when the system starts.

[0162] Function

[0163] Multi-channel output: The power management unit can output power supply branches with different voltage levels to meet the power requirements of various sensors and processors in the system.

[0164] Energy-saving management: The control module can provide power only to the required sensing units according to the sensing system configuration plan issued by the intelligent decision-making unit, thereby reducing energy waste.

[0165] Self-monitoring and protection: The power management unit has a built-in voltage and current acquisition module to monitor the output voltage and current of each power supply branch in real time to ensure safe operation of the system.

[0166] How it works

[0167] Startup process: When the system is powered on, the startup module generates an initial startup signal, and the startup control module generates multiple direct startup signals through delay according to the signal. These signals are sent to different startup groups to achieve group startup.

[0168] Power regulation: The control module receives the configuration scheme of the intelligent decision-making unit and adjusts the power output by controlling the control switch in the power supply branch. In this way, only the required sensing units are powered, and the power of other units is turned off.

[0169] Self-monitoring: The voltage and current acquisition module collects the output of each power supply branch in real time and feeds the data back to the control module for processing. Once an abnormality is found, the control module can respond quickly to ensure safe and stable operation of the system.

[0170] Efficiency optimization: The design of the power management unit adopts high-efficiency power conversion technology, such as switching voltage conversion circuit, to reduce power consumption and improve conversion efficiency. This allows the system to maintain high power conversion efficiency under different load conditions.

[0171] In summary, through the above design, the power management unit of the present invention can not only provide a stable and reliable power supply for the gas detection system, but also effectively extend the system life and improve safety through intelligent control and protection mechanisms.

[0172] It should be noted that, in this article, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise one..." do not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0173] The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A continuous detection system for gas alarms. The system can be mounted on an intelligent computer with a processor. The control end needs to have multiple gas sensors. The system is characterized by: include: Sensor unit: includes multiple sensors, which are composed of highly sensitive electrochemical and semiconductor sensors. Multiple sensors can detect changes in gas concentrations as low as ppm level. They are responsible for real-time collection and processing of gas samples to ensure that the system can accurately monitor and alarm; Data processing unit: responsible for receiving the gas concentration data transmitted by the sensor unit, processing and analyzing the data through the built-in algorithm, and evaluating the detected gas concentration according to the preset safety standards to determine whether there is a potential safety risk; Alarm unit: responsible for issuing an alarm in time when potentially dangerous gas concentrations are detected; Power management unit: responsible for providing stable and reliable power support for the entire system.

2. A continuous detection system for a gas alarm according to claim 1, characterized in that: The data processing unit also includes the following submodules: Data reception and signal conversion: The data processing unit first receives analog and digital signals from the sensor unit, and amplifies, filters and digitizes these signals to ensure the accuracy and reliability of the signals and provide clean data input for subsequent analysis; Data analysis and real-time monitoring: The collected data is analyzed in depth through algorithms, including identifying gas types, measuring gas concentrations, and monitoring concentration change trends. Through real-time monitoring, changes in gas concentrations can be continuously tracked and potential safety threats can be responded to in a timely manner. Alarm triggering and communication: When the detected gas concentration exceeds the preset safety threshold, the data processing unit will trigger the alarm system and send out an audible and visual alarm to alert people around; Self-calibration and fault diagnosis: To ensure the accuracy and stability of the system's long-term operation, the module can automatically adjust and optimize its internal parameters, perform fault self-diagnosis, and promptly detect and report any potential technical problems, reducing maintenance costs and extending the overall service life of the system; Data recording and analysis: All test data and their analysis results are stored and detailed data logs are established for further historical trend analysis, environmental assessment and security strategy formulation, helping managers make data-based decisions to optimize safety measures and response strategies.

3. A continuous detection system for a gas alarm according to claim 1, characterized in that: The alarm unit includes an audible and visual alarm module, a wireless communication module, a multi-level early warning module, a manual reset module, a self-checking and maintenance module, a compatibility and expansibility module, a power management module, and a user interface and operation module.

4. A continuous detection system for a gas alarm according to claim 1, characterized in that: The power management unit includes a power conversion module, a control module, a start module, a start control module and a delay module.

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