Intelligent combustible gas leakage detector and working method thereof

Abstract

The invention discloses an intelligent combustible gas leakage detector and a working method thereof, the leakage detector comprises a main board unit and an acquisition unit, and the acquisition unit is connected to the main board unit in a replaceable manner through an inter-board connector. The working method comprises the following steps: S1, selecting and installing the corresponding acquisition unit; s2, starting up, identifying the type and the measuring range of the detection module by the mainboard, and switching a corresponding detection interface; s3, entering a detection main interface, and selecting a wireless transmission mode; s4, when the acquisition unit is a free diffusion type device, turning on and off an illuminating lamp by one key in the detection process, and when the acquisition unit is a pumping type device, performing detection after turning on a pump by one key; in the detection process, if a preset alarm value is reached, the equipment gives an alarm, detection data is locally stored and uploaded to a cloud end or a mobile phone end through 4G / Bluetooth, and the cloud end integrates and analyzes the detection data. According to the invention, a user can customize different types of acquisition units according to different requirements and working conditions, and the equipment utilization rate and the environmental adaptability are greatly improved.

Description

Technical Field

[0001] The present invention relates to the technical field of gas detection, and in particular to an intelligent combustible gas leak detector and a working method thereof. Background Art

[0002] Existing gas detectors usually adopt a fixed design, with the main board and acquisition unit highly centralized, and have the following technical defects:

[0003] Difficult maintenance: When the acquisition unit or detection component is damaged or reaches its service life, it needs to be returned to the factory for repair. It cannot be quickly replaced on site, resulting in long equipment downtime;

[0004] Single scenario: A single detection mode (such as diffusion or pumping) cannot meet the requirements of complex environments and the operation is not flexible enough;

[0005] Single measuring range: A single measuring range cannot be applied to multiple scenarios, resulting in low equipment utilization;

[0006] Data silos: Detection data relies on local storage and lacks real-time remote transmission and information integration capabilities, making it impossible to achieve dynamic monitoring, rapid response, data integration, and data analysis. Summary of the Invention

[0007] The purpose of the present invention is to address the above-mentioned problems and provide an intelligent combustible gas leak detector and a working method thereof, which can adapt to different scenarios by replacing the detection module, support real-time data remote transmission and precise positioning.

[0008] In order to achieve the above object, the technical solution of the present invention is:

[0009] An intelligent combustible gas leak detector includes a mainboard unit and a collection unit, which is replaceably connected to the mainboard unit via an inter-board connector. The mainboard unit and collection unit utilize a split-body design, connected to the mainboard unit via an inter-board connector or connector, enabling flexible replacement of the collection unit. The inter-board connector allows the mainboard unit and collection unit to be dynamically combined according to different detection scenarios.

[0010] As an improvement to the above technical solution, the mainboard unit includes:

[0011] Main control unit;

[0012] Status indication unit, providing status indication for the intelligent combustible gas leak detector;

[0013] Display unit, providing a human-computer interaction interface for the intelligent combustible gas leak detector;

[0014] Alarm unit, providing alarm indication for the intelligent combustible gas leak detector;

[0015] The real-time clock unit adopts an independent power supply design to continuously track time and date to add accurate time stamps to the file creation, log events, and acquisition unit data of the intelligent combustible gas leak detector to ensure data traceability;

[0016] USB communication unit, which is the communication channel between the intelligent combustible gas leak detector and the host computer;

[0017] 4G unit; uses CAT1 module to provide wireless transmission channel, internal networking and information sharing for the intelligent combustible gas leak detector and cloud platform; the CAT1 module is a Quectel CAT1 module.

[0018] Bluetooth module; upload detection data in real time after connecting with APP;

[0019] The positioning module adopts GPS / Beidou dual-mode positioning module to realize the positioning of the intelligent combustible gas leak detector and upload the positioning data through the 4G unit;

[0020] The status indication unit, display unit, alarm unit, real-time clock unit, USB communication unit, USB communication unit, 4G unit, Bluetooth module, positioning module are electrically connected to the main control unit.

[0021] As an improvement to the above technical solution, the intelligent combustible gas leak detector further includes a power supply unit, which provides charge and discharge management and power conversion for the intelligent combustible gas leak detector and provides a working voltage for the intelligent combustible gas leak detector.

[0022] As an improvement to the above technical solution, the status indication unit includes LED indicator lights of multiple colors, which indicate the current status of the device, such as normal operation, fault and various alarm states, through different LED colors.

[0023] As an improvement to the above technical solution, the alarm unit is a buzzer, an LED indicator light, a vibration motor and a display screen, which are sound, light, vibration and display types respectively. By using the buzzer, LED indicator light, vibration motor and display screen, different modes of alarm can be performed for different alarm states according to the alarm settings.

[0024] As an improvement to the above technical solution, the interface between the USB communication unit and the main control chip is a USB2.0 interface, which can complete the rapid upgrade of the equipment system and gas calibration functions.

[0025] As an improvement to the above technical solution, the display unit uses a full-color screen, which allows users to complete various gas settings, current gas detection information, view system information, alarm information and records, and connect to the app through buttons. The full-color screen selected by our company is a 2.0-inch full-color screen, which is suitable for easy use.

[0026] As an improvement to the above technical solution, the collection unit is a pump-suction device or a free-diffusion device.

[0027] As an improvement to the above technical solution, the present invention also provides a working method of the above intelligent combustible gas leak detector, the steps of which are:

[0028] S1. Select the corresponding acquisition unit detection module according to the working conditions, install the acquisition unit so that the acquisition unit is reliably connected to the main board unit through the inter-board connector;

[0029] S2. Turn on the power, the mainboard unit automatically identifies the detection module type and range, and switches to the corresponding detection interface;

[0030] S3. After the machine is preheated, it enters the main detection interface. The user selects the wireless transmission mode through the setting interface;

[0031] S4. When the acquisition unit is a free-diffusion device, the lighting can be turned on and off with one button during the detection process to adapt to working environments with various illumination levels. When the acquisition unit is a pump-suction device, the pump can be turned on with one button to perform the detection. If the preset alarm value is reached during the detection process, the device will alarm. The detection data is stored locally and uploaded to the cloud or mobile phone via 4G / Bluetooth. The cloud will integrate and analyze the detection data.

[0032] Compared with the prior art, the present invention includes but is not limited to the following advantages and positive effects:

[0033] 1. Modular sensing circuit: Users can customize different types of acquisition units according to different needs and working conditions, and quickly replace detection modules by themselves, greatly improving equipment utilization and environmental adaptability;

[0034] 2. Multiple wireless communication methods: support 4G / Bluetooth wireless communication to reduce the impact of different environments on information transmission;

[0035] 3. Support GNSS positioning function: positioning is bound to detection concentration, and map marks can be generated in the cloud;

[0036] 4. Intelligent operation and maintenance: Remotely monitor the life of the collection unit through the cloud, push replacement reminders in advance, and reduce the risk of unexpected downtime;

[0037] 5. Data analysis: The cloud can generate data icons based on the detection data, mark the GPS coordinates and timestamps, and predict the gas diffusion path through the machine learning model, and push warning information to end users. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0039] Figure 1 It is a schematic diagram of the system architecture of the present invention. DETAILED DESCRIPTION

[0040] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts, any modifications, equivalent replacements, improvements, etc., shall be included in the scope of protection of the present invention.

[0041] like Figure 1 As described above, the present invention provides an intelligent gas leak detector and working method that can adapt to different scenarios by replacing the detection module, support real-time data remote transmission and precise positioning.

[0042] The leak detector device is realized by integrating hardware structure and software algorithm.

[0043] This product is a new generation of highly integrated portable leak detectors. It features a Type-C universal charging port and a 2.0-inch color horizontal screen that displays gas concentration and device status in real time. It integrates a 4G network communication module, a Bluetooth communication module, a GPS / Beidou dual-mode positioning module, and a USB 2.0 communication interface. It also features a removable modular data acquisition unit. The motherboard automatically identifies the module type and supports user replacement. Users can also choose to connect to the device via 4G or Bluetooth or upload data directly through the app. GPS also records the device's entire operation trajectory.

[0044] The hardware structure mainly includes a mainboard unit and an acquisition unit, which are reliably connected through inter-board connectors.

[0045] The power supply unit provides charge and discharge management and power conversion for the device, and provides operating voltage for each module of the device.

[0046] The status indicator unit is used to indicate the status of the device. It can indicate the current status of the device through different LED colors, such as normal operation, fault and various alarm states.

[0047] The display unit is the human-machine interface of the device, using a 2.0-inch full-color screen. You can complete various gas settings, current gas detection information, view system information, alarm information and records, and connect to the APP through buttons.

[0048] The alarm unit is an alarm indicator for the equipment, which is divided into four types: sound, light, vibration and display. It is implemented using a buzzer, LED indicator, vibration motor and display screen. Different alarm modes can be used for different alarm states according to the alarm settings.

[0049] The real-time clock unit adopts an independent power supply design and continuously tracks the time and date to add accurate time stamps to file creation, log events, acquisition unit data, etc., ensuring data traceability.

[0050] The storage unit is the core component of the device for long-term storage of data and programs. The device has a built-in large-capacity NORFLASH to meet the storage needs of device system data and user data.

[0051] The USB communication unit is the communication channel between the device and the host computer, which is realized by the USB2.0 interface of the main control chip and can complete the rapid upgrade of the device system and gas calibration functions.

[0052] The 4G unit uses Quectel CAT1 modules to provide wireless transmission channels for devices and cloud platforms, as well as internal networking and information sharing within the devices.

[0053] The Bluetooth module uses an ultra-low power BLE5.1 Bluetooth module, supports hardware flow control, and can upload detection data in real time after connecting to the APP.

[0054] The positioning module uses a GPS / Beidou dual-mode positioning module and is equipped with a ceramic antenna to realize the positioning function of the device. The positioning data is uploaded through the 4G module.

[0055] The acquisition unit module is a separate component, available in two types: pump-suction and free-diffusion. Users can customize different acquisition units and replace modules based on their needs. The mainboard automatically recognizes and switches the detection interface. The acquisition unit utilizes a high-precision AD acquisition chip and temperature compensation circuitry to achieve highly accurate gas concentration acquisition. It communicates with the mainboard and displays the information via a specific communication interface. The mainboard also features an external one-touch on / off switch for pump-suction units, while the diffusion unit is equipped with an LED fill light that can be turned on and off with a single click, adapting to various ambient lighting conditions.

[0056] Working method: The user selects the corresponding acquisition unit detection module according to the working conditions. After assembly, the machine is turned on. During the startup process, the mainboard unit can automatically identify the detection module type and range, and automatically switch to the corresponding detection interface. After the machine is preheated, it enters the main detection interface. The user can select the wireless transmission mode through the setting interface. The pumping device can turn the pump on and off with one button and has a pump blockage detection function. The serpentine tube detection module can turn on the lighting with one button in a low-light environment. If the preset alarm value is reached during the detection process, the device will alarm. The detection data is stored locally and uploaded to the cloud or mobile phone via 4G / Bluetooth. The cloud can integrate and analyze the detection data.

[0057] Main innovations:

[0058] Modular sensing circuit: Users can customize different types of acquisition units according to different needs and working conditions, and quickly replace detection modules on their own, greatly improving equipment utilization and environmental adaptability;

[0059] Multiple wireless communication methods: support 4G / Bluetooth wireless communication to reduce the impact of different environments on information transmission;

[0060] Support GNSS positioning function: positioning is bound to detection concentration, and map marks can be generated in the cloud;

[0061] Intelligent operation and maintenance: Remotely monitor the life of the collection unit through the cloud, push replacement reminders in advance, and reduce the risk of unexpected downtime;

[0062] Data analysis: The cloud can generate data icons based on the detection data, mark the GPS coordinates and timestamps, and predict the gas diffusion path through the machine learning model, and push warning information to end users.

Claims

1. An intelligent combustible gas leak detector, characterized by: It comprises a mainboard unit and a collection unit which are arranged in a split manner. The collection unit is replaceably connected to the mainboard unit via an inter-board connector.

2. The intelligent combustible gas leak detector according to claim 1, characterized in that: The mainboard unit includes: Main control unit; Status indication unit, providing status indication for the intelligent combustible gas leak detector; Display unit, providing a human-computer interaction interface for the intelligent combustible gas leak detector; Alarm unit, providing alarm indication for the intelligent combustible gas leak detector; The real-time clock unit adopts an independent power supply design to continuously track time and date to add accurate time stamps to the file creation, log events, and acquisition unit data of the intelligent combustible gas leak detector to ensure data traceability; USB communication unit, which is the communication channel between the intelligent combustible gas leak detector and the host computer; 4G unit; uses CAT1 module to provide wireless transmission channel, internal networking and information sharing for intelligent combustible gas leak detector and cloud platform; Bluetooth module; upload detection data in real time after connecting with APP; The positioning module adopts GPS / Beidou dual-mode positioning module to realize the positioning of the intelligent combustible gas leak detector and upload the positioning data through the 4G unit; The status indication unit, display unit, alarm unit, real-time clock unit, USB communication unit, USB communication unit, 4G unit, Bluetooth module, positioning module are electrically connected to the main control unit.

3. The intelligent combustible gas leak detector according to claim 2, characterized in that: The intelligent combustible gas leak detector further includes a power supply unit, which provides charge and discharge management and power conversion for the intelligent combustible gas leak detector and provides a working voltage for the intelligent combustible gas leak detector.

4. The intelligent combustible gas leak detector according to claim 2, characterized in that: The status indication unit includes LED indicator lights of various colors, which indicate the current status of the device, such as normal operation, fault and various alarm states, through different LED colors.

5. The intelligent combustible gas leak detector according to claim 1, characterized in that: The alarm unit is a buzzer, an LED indicator light, a vibration motor and a display screen, which are sound, light, vibration and display types respectively. The buzzer, LED indicator light, vibration motor and display screen are used to implement different modes of alarm for different alarm states according to the alarm settings.

6. The intelligent combustible gas leak detector according to claim 2, characterized in that: The interface between the USB communication unit and the main control chip is a USB2.0 interface, which completes the functions of rapid upgrade of the equipment system and gas calibration.

7. The intelligent combustible gas leak detector according to claim 2, characterized in that: The display unit adopts a full color screen.

8. The intelligent combustible gas leak detector according to claim 2, characterized in that: The collection unit is a pump-suction type device or a free diffusion type device.

9. A method for operating the intelligent combustible gas leak detector according to any one of claims 1 to 8, characterized in that: The steps of this working method are: S1. Select the corresponding acquisition unit detection module according to the working conditions, install the acquisition unit so that the acquisition unit is reliably connected to the main board unit through the inter-board connector; S2. Turn on the power, the mainboard unit automatically identifies the detection module type and range, and switches to the corresponding detection interface; S3. After the machine is preheated, it enters the main detection interface. The user selects the wireless transmission mode through the setting interface; S4. When the acquisition unit is a free-diffusion device, the lighting can be turned on and off with one button during the detection process to adapt to working environments with various illumination levels. When the acquisition unit is a pump-suction device, the pump can be turned on with one button to perform the detection. If the preset alarm value is reached during the detection process, the device will alarm. The detection data is stored locally and uploaded to the cloud or mobile phone via 4G / Bluetooth. The cloud will integrate and analyze the detection data.

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