A leakage control system for hazardous chemicals loading and unloading platforms

Abstract

The present invention discloses a hazardous chemical loading and unloading platform leakage control system, relating to the technical field of hazardous chemical leakage. The system includes a control logic algorithm engine and an olfactory perception device and a visual perception device, both connected to the control logic algorithm engine. The olfactory perception device is used to monitor the gas concentration at a set location. The visual perception device is used to capture images of the set location. The set location includes a set area of the hazardous chemical loading and unloading platform, a set area of the hazardous chemical loading and unloading parking space, and a set area of the trestle. The control logic algorithm engine is used to determine the location of the leak and issue an alarm based on the gas concentration monitored by the olfactory perception device and the images captured by the visual perception device. The present invention can save time and accurately determine the leak location.

Description

Technical Field

[0001] The present invention relates to the technical field of hazardous material leakage, and in particular to a leakage control system for a hazardous chemical loading and unloading platform. Background Art

[0002] Hazardous chemical loading and unloading operations are common in the chemical industry, with nearly every factory engaging in them. This has long been a difficult and accident-prone area for safety management in hazardous chemical companies. The implementation of mandatory standards, such as the "Safety Specifications for Special Operations in Hazardous Chemical Companies" (GB30871-2022), has effectively prevented and curbed accidents in these special operations. However, implementation has also exposed issues such as the weak binding force of some existing standard clauses, discrepancies and misunderstandings within companies regarding the standards, and the need to improve operational risk management measures. Therefore, strengthening routine supervision of hazardous chemical loading and unloading platforms, which pose potential accident risks, is an effective means of preventing and controlling major accidents in the chemical industry, protecting personnel health, and maintaining a clean environment.

[0003] Currently, hazardous chemical loading and unloading platforms use video surveillance to monitor on-site operations and emergencies. This is combined with fixed toxic and hazardous gas alarms, overflow prevention sensors, and flame detectors to safely monitor hazardous chemical leaks within the loading and unloading area. Video surveillance only records footage from the on-site perspective, making it convenient for central control room staff to review and compare the footage later. However, when images of a leaking liquid surface are captured, an alarm cannot be issued in a timely manner. Fixed toxic and hazardous gas alarms monitor and alarm for high concentrations of toxic and hazardous gases in the environment, but they cannot effectively monitor leaks at specific locations during operations, such as the loading and unloading platform perimeter, vehicle tank breathing valves, tanker feed ports, tanker discharge ports, and tanker overflow prevention valves.

[0004] Currently, the simple on-site instrumentation and manual inspection model can no longer meet the increasingly stringent requirements of production safety and environmental monitoring. In particular, leaks are prone to occur during loading and unloading, and there is a lack of automated, real-time monitoring of leaks on-site. Manual inspections are time-consuming and labor-intensive, making it difficult to quickly and accurately trace the source, and on-site workers also face certain safety risks. Summary of the Invention

[0005] The purpose of the present invention is to provide a leakage control system for a hazardous chemicals loading and unloading platform, which can save time and accurately determine the leakage location.

[0006] To achieve the above object, the present invention provides the following solutions:

[0007] A hazardous chemicals loading and unloading platform leakage control system, comprising:

[0008] A management and control logic algorithm engine and an olfactory perception device and a visual perception device both connected to the management and control logic algorithm engine;

[0009] The olfactory sensing device is used to monitor the gas concentration at a set location; the visual sensing device is used to capture an image of the set location; the set location includes a set area for hazardous chemical loading and unloading platforms, a set area for hazardous chemical loading and unloading parking spaces, and a set area for trestle bridges;

[0010] The management and control logic algorithm engine is used to determine the location of the leakage and issue an alarm based on the gas concentration monitored by the olfactory perception device and the image collected by the visual perception device.

[0011] Optionally, the hazardous chemicals loading and unloading platform leakage control system further includes: an Internet of Things cloud platform, a character gateway, an overlay switch, and a display connected in sequence; the Internet of Things cloud platform is connected to the olfactory perception device; the overlay switch is connected to the visual perception device;

[0012] The Internet of Things cloud platform is used to determine the danger level of each set location based on the gas concentration at the set location monitored by the olfactory perception device; the character gateway is used to assign different colors to the gas concentration at each set location according to the danger level of each set location; the superposition switch is used to superimpose the gas concentration of each set location assigned with different colors onto the image captured by the visual perception device according to the set location to obtain a superimposed image, and the display is used to display the superimposed image; the danger level includes normal, warning and alarm.

[0013] Optionally, the management and control logic algorithm engine is connected to the display, and the display is also used to display the image of the leakage location and the gas concentration.

[0014] Optionally, the hazardous chemicals loading and unloading platform leakage control system further includes: a video decoder, and the overlay switch and the control logic algorithm engine are both connected to the display through the video decoder.

[0015] Optionally, the olfactory perception device includes an ambient air quality micro station module, a wireless fixed alarm module and a wireless micro leakage monitor module; the visual perception device includes a first camera module, a second camera module and a third camera module; the ambient air quality micro station module and the first camera module are arranged in the hazardous chemical loading and unloading platform setting area; the wireless fixed alarm module and the second camera module are arranged in the pier setting area; the wireless micro leakage monitor module and the third camera module are arranged in the hazardous chemical loading and unloading space setting area; the ambient air quality micro station module includes multiple ambient air quality micro stations; the wireless fixed alarm module includes multiple wireless fixed alarms; and the wireless micro leakage monitor module includes multiple wireless micro leakage monitors.

[0016] Optionally, the management and control logic algorithm engine includes:

[0017] a first judgment module, configured to determine whether the gas concentration at a set location exceeds a threshold value based on the gas concentrations monitored by the ambient air quality micro-station module, the wireless fixed alarm module, and the wireless micro-leakage monitor module, and obtain a first judgment result;

[0018] an alarm result determination module, configured to determine, if the first judgment result is yes, an alarm result of the ambient air quality micro station module, the wireless fixed alarm module, and the wireless micro leak monitor module based on the gas concentrations monitored by the ambient air quality micro station module, the wireless fixed alarm module, and the wireless micro leak monitor module; the alarm result includes an alarm and no alarm;

[0019] an olfactory leakage location determination module, configured to determine the leakage location and issue an alarm based on the alarm results of the ambient air quality micro-station module, the wireless fixed alarm module, and the wireless micro-leakage monitor module;

[0020] a second judgment module, configured to judge whether liquid leakage occurs at a set location based on the images captured by the first camera module, the second camera module, and the third camera module, and obtain a second judgment result;

[0021] A visual leakage location determination module is configured to determine the leakage location based on the images captured by the first camera module, the second camera module, and the third camera module and issue an alarm if the second judgment result is yes.

[0022] Optionally, the olfactory leakage location determination module includes:

[0023] a first leakage location determination unit, configured to determine that the leakage occurs at all set locations and issue an alarm, perform emergency braking to stop the operation, and remind on-site workers to clean up the cover if an alarm is found in the alarm results of each of the ambient air quality micro-stations, the alarm results of each of the wireless fixed alarms, and the alarm results of each of the wireless micro-leakage monitors;

[0024] a second leakage location determination unit, configured to determine, based on wind speed and direction, that the leakage location is within the set area of the hazardous chemicals loading and unloading platform and issue an alarm if the alarm results of each of the ambient air quality micro-stations indicate an alarm and the alarm results of each of the wireless fixed alarms and each of the wireless micro-leakage monitors indicate no alarm;

[0025] a third leakage location determination unit, configured to determine that the leakage location is within the set area of the hazardous chemicals loading and unloading parking space and issue an alarm if the alarm results of the ambient air quality micro-stations and the alarm results of the wireless fixed alarms are both no alarms, and the alarm results of the wireless micro-leak monitors are alarms;

[0026] The fourth leakage location determination unit is used to determine that the leakage location is within the set area of the pier and issue an alarm if the alarm results of each of the ambient air quality micro stations and the alarm results of each of the wireless micro leakage monitors are no alarm and the alarm results of each of the wireless fixed alarms are alarm.

[0027] Optionally, the ambient air quality micro station module and the wireless fixed alarm module transmit information with the Internet of Things cloud platform through a 4G wireless module, and the wireless micro leakage monitor module transmits information with the Internet of Things cloud platform through an NB-IOT or LORA wireless module.

[0028] Optionally, the first setting area of the display is used to display the video and gas concentration within the setting area of the hazardous chemicals loading and unloading platform, the second setting area of the display is used to display the video and gas concentration within the setting area of the hazardous chemicals loading and unloading parking space, the third setting area of the display is used to display the video and gas concentration within the setting area of the pier, the fourth setting area of the display is used to display the video and gas concentration of the location where the leakage occurred, and the fifth setting area of the display is used to display the panoramic video and gas concentration of the hazardous chemicals loading and unloading platform.

[0029] According to the specific embodiments provided by the present invention, the present invention discloses the following technical effects: the present invention combines the olfactory perception device and the visual perception device together, which saves time without manual inspection, and combines vision and smell to determine the leakage location, which can accurately determine the leakage location. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] 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. 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.

[0031] Figure 1 This is a schematic diagram of the transport layer technology route of the present invention;

[0032] Figure 2 This is a schematic diagram of the arrangement of the sensing device of the present invention;

[0033] Figure 3 This is a schematic diagram of the functional divisions of the display of the present invention;

[0034] Figure 4 This is a flow chart of the method built into the control logic algorithm engine of the present invention;

[0035] Figure 5 It is a schematic diagram of the technical solution of the system of the present invention. DETAILED DESCRIPTION

[0036] 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 are within the scope of protection of the present invention.

[0037] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0038] The present invention provides a leakage control system for a hazardous chemicals loading and unloading platform, comprising:

[0039] A control logic algorithm engine and an olfactory perception device and a visual perception device both connected to the control logic algorithm engine; the olfactory perception device is used to monitor the gas concentration at a set position; the visual perception device is used to capture an image of the set position; the set position includes a set area of a hazardous chemical loading and unloading platform, a set area of a hazardous chemical loading and unloading parking space, and a set area of a pier; the control logic algorithm engine is used to determine the location of the leakage and issue an alarm based on the gas concentration monitored by the olfactory perception device and the image captured by the visual perception device.

[0040] As an optional implementation, Figure 1As shown, the leakage control system for the hazardous chemicals loading and unloading platform also includes: an Internet of Things cloud platform, a character gateway, an overlay switch and a display connected in sequence; the Internet of Things cloud platform is connected to the olfactory perception device; the overlay switch is connected to the visual perception device; the Internet of Things cloud platform is used to determine the danger level of each set position according to the gas concentration of the set position monitored by the olfactory perception device; the character gateway is used to assign different colors to the gas concentration of each set position according to the danger level of each set position; the overlay switch is used to superimpose the gas concentration of each set position assigned with different colors onto the image collected by the visual perception device according to the set position to obtain a superimposed image, and the display is used to display the superimposed image; the danger level includes normal, warning and alarm.

[0041] As an optional implementation, the management and control logic algorithm engine is connected to the display, and the display is also used to display the image of the leakage location and the gas concentration.

[0042] As an optional implementation, the hazardous chemicals loading and unloading platform leakage control system further includes: a video decoder, and the overlay switch and the control logic algorithm engine are both connected to the display through the video decoder.

[0043] As an optional implementation, Figure 2As shown, the olfactory perception device includes an ambient air quality micro-station module, a wireless fixed alarm module and a wireless micro-leakage monitor module; the visual perception device includes a first camera module, a second camera module and a third camera module; the ambient air quality micro-station module and the first camera module are arranged in the hazardous chemical loading and unloading platform setting area; the wireless fixed alarm module and the second camera module are arranged in the pier setting area; the wireless micro-leakage monitor module and the third camera module are arranged in the hazardous chemical loading and unloading parking space setting area; the ambient air quality micro-station module includes multiple ambient air quality micro-stations; the wireless fixed alarm module includes multiple wireless fixed alarms; the wireless micro-leakage monitor module includes multiple wireless micro-leakage monitors. Specifically, ambient air quality monitoring micro-stations are deployed around the boundaries of hazardous chemical loading and unloading platforms to monitor ambient gas concentrations within the perimeter. This not only meets relevant environmental monitoring standards but also provides safety and environmental warnings. The ambient air quality monitoring micro-stations use photoionization sensors to monitor hazardous chemical gas concentrations in the ambient air in real time with an accuracy of approximately 1 ppb. Data is transmitted via the device's built-in 4G communication function, and alarm thresholds (e.g., 10 ppm) can be set according to local environmental protection requirements. Wireless fixed alarms are deployed on the ceilings of piers / platforms, material delivery platforms, and key equipment. While meeting national safety standards, they enable focused monitoring of key hazardous chemical leakage areas. These wireless fixed alarms are primarily flammable gas alarms based on semiconductor detection principles, with a detection accuracy of approximately 1 ppm. Data is transmitted via a long-term 4G communication connection with the platform, and alarm thresholds (e.g., 1000 ppm) can be set according to national standards or corporate safety management regulations. Wireless micro leak monitors are installed as needed at locations such as tanker breathing valves, tanker feed ports, tanker discharge ports, and tanker overflow valves to achieve focused monitoring of leaks from vehicles during hazardous chemical loading and unloading, complementing fixed alarm monitoring. The wireless micro leak monitor is removable and can be quickly installed and deployed using magnets, clips, clamps, and other methods without affecting the efficiency of loading and unloading operations. The wireless micro leak monitor is intrinsically safe and explosion-proof. It is based on the ultra-low-power CNT room-temperature semiconductor detection principle, with a detection accuracy of approximately 10ppm. Combined with diffuse sampling, it transmits monitoring data to the platform via the NB Internet of Things. Alarm thresholds (e.g., 10,000ppm) can be set according to national standards or corporate safety management regulations. Panoramic cameras are deployed around the boundaries of the hazardous chemical loading and unloading platform to capture real-time images of the hazardous chemical area. Cameras (or existing cameras) are deployed above or around the hazardous chemical loading and unloading parking spaces to record monitoring images of the vehicle tank roof and surrounding ground during operations.If the monitoring screen captures the image of liquid hazardous chemicals leaking and flowing, the image leakage algorithm built into the management and control logic algorithm engine layer will identify, judge, and respond immediately, and issue an alarm message to remind on-site workers to apply emergency brakes and stop loading and unloading operations.

[0044] As an optional implementation, the management and control logic algorithm engine includes:

[0045] The first judgment module is used to judge whether the gas concentration at a set location exceeds a threshold based on the gas concentration monitored by the ambient air quality micro station module, the wireless fixed alarm module and the wireless micro leakage monitor module, and obtain a first judgment result.

[0046] An alarm result determination module is used to determine the alarm results of the ambient air quality micro station module, the wireless fixed alarm module and the wireless micro leakage monitor module based on the gas concentrations monitored by the ambient air quality micro station module, the wireless fixed alarm module and the wireless micro leakage monitor module if the first judgment result is yes; the alarm results include alarm and no alarm.

[0047] The olfactory leakage location determination module is used to determine the leakage location and issue an alarm based on the alarm results of the ambient air quality micro station module, the wireless fixed alarm module and the wireless micro leakage monitor module.

[0048] The second judgment module is used to judge whether there is liquid leakage at a set position based on the images captured by the first camera module, the second camera module and the third camera module, and obtain a second judgment result.

[0049] A visual leakage location determination module is configured to determine the leakage location based on the images captured by the first camera module, the second camera module, and the third camera module and issue an alarm if the second judgment result is yes.

[0050] As an optional implementation, the olfactory leakage location determination module includes:

[0051] The first leakage location determination unit is used to determine that the leakage location is all set locations and issue an alarm, perform emergency braking to stop the operation, and remind on-site workers to clean up the cover if there is an alarm in the alarm results of each of the ambient air quality micro stations, the alarm results of each of the wireless fixed alarms, and the alarm results of each of the wireless micro leakage monitors.

[0052] The second leakage location determination unit is used to determine that the leakage location is within the set area of the hazardous chemicals loading and unloading platform according to the wind speed and direction and issue an alarm if there is an alarm in the alarm results of each of the ambient air quality micro stations and the alarm results of each of the wireless fixed alarms and the alarm results of each of the wireless micro leakage monitors are no alarms.

[0053] The third leakage location determination unit is used to determine that the leakage location is within the set area of the hazardous chemicals loading and unloading parking space and issue an alarm if the alarm results of each of the ambient air quality micro stations and the alarm results of each of the wireless fixed alarms are no alarms, and the alarm results of each of the wireless micro leakage monitors are alarms.

[0054] The fourth leakage location determination unit is used to determine that the leakage location is within the set area of the pier and issue an alarm if the alarm results of each of the ambient air quality micro stations and the alarm results of each of the wireless micro leakage monitors are no alarm and the alarm results of each of the wireless fixed alarms are alarm.

[0055] As an optional implementation, the ambient air quality micro station module and the wireless fixed alarm module transmit information with the Internet of Things cloud platform via a 4G wireless module, and the wireless micro leakage monitor module transmits information with the Internet of Things cloud platform via an NB-IOT or LORA wireless module.

[0056] As an optional embodiment, the first setting area of the display is used to display the video and gas concentration in the setting area of the hazardous chemicals loading and unloading platform, the second setting area of the display is used to display the video and gas concentration in the setting area of the hazardous chemicals loading and unloading parking space, the third setting area of the display is used to display the video and gas concentration in the setting area of the pier, the fourth setting area of the display is used to display the video and gas concentration of the leakage location, and the fifth setting area of the display is used to display the panoramic video and gas concentration of the hazardous chemicals loading and unloading platform. Specifically, Figure 3As shown, the first set area displays the area perimeter image + monitoring data: it displays the video image of the local area around the hazardous chemical loading and unloading platform, and the point marks of the olfactory sensing terminal (ambient air quality micro station) are displayed on the screen simultaneously. The point marks and monitoring data correspond one-to-one, realizing environmental monitoring of the air quality around the hazardous chemical loading and unloading platform. The second set area displays the loading and unloading parking image + monitoring data: a camera is installed above or around each parking space on the pier platform to monitor the status of vehicles in the parking space during operation, further avoiding the existence of blind spots in the video image. The point marks of the olfactory sensing terminal (wireless micro leak monitor) are displayed on the screen simultaneously. The point marks and monitoring data correspond one-to-one, realizing safe monitoring of leaks from operating vehicles. The third set area displays the pier platform image + monitoring data: it displays the video image of the olfactory sensing terminal in the local area of the pier platform, and the point marks of the olfactory sensing terminal (wireless fixed alarm) inside the pier platform are displayed on the screen. The point marks and monitoring data correspond one-to-one, realizing focused monitoring of the safety and environmental conditions of this critical area. The fourth area is the Abnormal Information Area: This displays abnormal data analyzed by the control logic algorithm engine, allowing for intuitive understanding of on-site abnormal data conditions and supporting emergency braking of pier and platform equipment through the platform. The fifth area displays a panoramic view of the hazardous chemical loading and unloading area and monitoring point information: This area is captured by a panoramic camera and displays a panoramic view of the hazardous chemical loading and unloading area. In addition, the location information of the olfactory and visual sensing devices is represented using different graphic symbols or colors and marked in the panoramic view, providing a clear real-time view of the entire area and the layout of the sensing equipment.

[0057] The working process of the embodiment of the present invention is specifically as follows:

[0058] The olfactory sensing device transmits the monitoring data to the IoT cloud platform, which judges and analyzes the received data to obtain the degree of danger and sends the degree of danger to the character gateway; the character gateway assigns different colors to the data according to the degree of danger and transmits it to the overlay switch; the overlay switch also receives the video images transmitted by the visual sensing device via optical fiber, and overlays the characterized data to the specified position of the corresponding image; the video decoder controls and distributes the video images processed by the overlay switch to the specified display screen or display area; the management and control logic algorithm engine analyzes and identifies the image through the built-in image leakage recognition algorithm to obtain the location of the leakage, and compares the decoded monitoring data with the alarm threshold set by the olfactory sensing device to obtain the location of the leakage; the display screen is responsible for displaying the images collected by the visual sensing device and the characters overlaid on the video by the character overlay gateway, as well as abnormal information, so that users can accurately monitor the leakage status of the on-site points. The specific processing process of the management and control logic algorithm engine is as follows: Figure 4As shown, the control logic algorithm engine determines whether a leak occurs and the location of the leak based on the olfactory perception device and the visual perception device. Specifically: based on the gas concentration data of the olfactory perception device, determine whether there is abnormal data exceeding the threshold. If not, the gas concentration data is displayed on the platform. If so, determine whether there are alarms in the alarm results of the three olfactory perception devices. If so, emergency braking is performed to stop the operation, and the on-site workers are contacted to clean up the cover. Otherwise, the source of the alarm data is checked. If it is a micro leak monitor, the leakage point is locked and the on-site workers are contacted for emergency treatment. If it is a fixed gas alarm, the integrated visual and olfactory monitoring screen is analyzed, the leakage point is locked and the on-site workers are contacted for emergency treatment. If it is an ambient air quality micro station, it is locked according to the wind speed and direction. The approximate area of the leakage is determined, and whether it is the loading and unloading area. If not, stop judging. If it is, analyze the data of other olfactory detectors around the point to see if there is an alarm. If there is an alarm, emergency brake is applied to stop the operation, and the source of the leakage is determined, and the on-site operators are contacted for cleaning and covering. If there is no alarm, determine the source of the leakage, contact the on-site operators for cleaning and covering. According to the video image of the visual perception device, determine whether there is a liquid leakage image. If not, display the video image on the platform. If so, retrieve the video image and point information of the liquid leakage to determine whether it is dripping or overflow (compare multiple consecutive monitoring images to determine whether there is liquid dripping or liquid surface spreading). If it is dripping, contact the on-site operators for cleaning and covering. If it is overflow, emergency brake is applied to stop the operation, and contact the on-site operators for cleaning and covering.

[0059] The technical solution of the system of the present invention is as follows Figure 5 As shown in the figure, a video surveillance system based on the hazardous chemical loading and unloading platform creates a visual and olfactory leakage perception layer through video surveillance upgrades and the deployment of three-dimensional olfactory equipment. The visual and olfactory information collected by the perception layer is analyzed and integrated by the perception information transmission and fusion layer. The control logic algorithm engine layer then makes judgments and processes based on the set warning / alarm thresholds. The leak visual and olfactory integrated application layer displays the video images and monitoring data. This can be achieved by upgrading and renovating the company's existing video surveillance system, while taking into account both safety and environmental protection. Without "breaking down and rebuilding", the company's safety and environmental protection management can be digitally upgraded and renovated at a limited cost, reducing the cost of digital upgrades and realizing integrated visual and olfactory perception and display of hazardous chemical loading and unloading platforms. It facilitates the inspection of on-site leaks, allowing for a clear view of the leak point location, gas concentration, and real-time on-site images. Big data and Internet of Things information technology are used to achieve dynamic, three-dimensional, and digital leak monitoring and safety and environmental protection management. This can help companies improve the efficiency of safety and environmental protection management and integrated services, and provide customers with safe, efficient, and environmentally friendly services, taking into account both safety and environmental protection.

[0060] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. Reference can be made to the common and similar parts between the various embodiments. For the systems disclosed in the embodiments, since they correspond to the methods disclosed in the embodiments, the description is relatively simple, and the relevant parts can be referred to the method description.

[0061] This document uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only intended to help understand the method and core concept of the present invention. At the same time, those skilled in the art will find that the specific implementation methods and application scopes may vary based on the concept of the present invention. In summary, the contents of this specification should not be construed as limiting the present invention.

Claims

1. A hazardous chemicals loading and unloading platform leakage control system, characterized in that: include: A management and control logic algorithm engine and an olfactory perception device and a visual perception device both connected to the management and control logic algorithm engine; The olfactory sensing device is used to monitor the gas concentration at a set location; the visual sensing device is used to capture an image of the set location; the set location includes a set area for hazardous chemical loading and unloading platforms, a set area for hazardous chemical loading and unloading parking spaces, and a set area for trestle bridges; The control logic algorithm engine is used to determine the location of the leak and issue an alarm based on the gas concentration monitored by the olfactory sensing device and the image collected by the visual sensing device; The olfactory perception device includes an ambient air quality micro-station module, a wireless fixed alarm module and a wireless micro-leakage monitor module; the visual perception device includes a first camera module, a second camera module and a third camera module; The control logic algorithm engine includes: a first judgment module, configured to determine whether the gas concentration at a set location exceeds a threshold value based on the gas concentrations monitored by the ambient air quality micro-station module, the wireless fixed alarm module, and the wireless micro-leakage monitor module, and obtain a first judgment result; an alarm result determination module, configured to determine, if the first judgment result is yes, an alarm result of the ambient air quality micro station module, the wireless fixed alarm module, and the wireless micro leak monitor module based on the gas concentrations monitored by the ambient air quality micro station module, the wireless fixed alarm module, and the wireless micro leak monitor module; the alarm result includes an alarm and no alarm; an olfactory leakage location determination module, configured to determine the leakage location and issue an alarm based on the alarm results of the ambient air quality micro-station module, the wireless fixed alarm module, and the wireless micro-leakage monitor module; a second judgment module, configured to judge whether liquid leakage occurs at a set location based on the images captured by the first camera module, the second camera module, and the third camera module, and obtain a second judgment result; A visual leakage location determination module is configured to determine the leakage location based on the images captured by the first camera module, the second camera module, and the third camera module and issue an alarm if the second judgment result is yes.

2. The hazardous chemicals loading and unloading platform leakage control system according to claim 1 is characterized in that: Also includes: The IoT cloud platform, the character gateway, the overlay switch and the display are connected in sequence; the IoT cloud platform is connected to the olfactory perception device; the overlay switch is connected to the visual perception device; The Internet of Things cloud platform is used to determine the danger level of each set location based on the gas concentration at the set location monitored by the olfactory perception device; the character gateway is used to assign different colors to the gas concentration at each set location according to the danger level of each set location; the superposition switch is used to superimpose the gas concentration of each set location assigned with different colors onto the image captured by the visual perception device according to the set location to obtain a superimposed image, and the display is used to display the superimposed image; the danger level includes normal, warning and alarm.

3. The hazardous chemicals loading and unloading platform leakage control system according to claim 2 is characterized in that: The control logic algorithm engine is connected to the display, and the display is also used to display the image of the leakage location and the gas concentration.

4. The hazardous chemicals loading and unloading platform leakage control system according to claim 3 is characterized in that: Also includes: The video decoder, the overlay switch and the management and control logic algorithm engine are all connected to the display through the video decoder.

5. The hazardous chemicals loading and unloading platform leakage control system according to claim 2 is characterized in that: The ambient air quality micro station module and the first camera module are arranged in the hazardous chemical loading and unloading platform setting area; the wireless fixed alarm module and the second camera module are arranged in the pier setting area; the wireless micro leakage monitor module and the third camera module are arranged in the hazardous chemical loading and unloading space setting area; the ambient air quality micro station module includes multiple ambient air quality micro stations; the wireless fixed alarm module includes multiple wireless fixed alarms; the wireless micro leakage monitor module includes multiple wireless micro leakage monitors.

6. The hazardous chemicals loading and unloading platform leakage control system according to claim 5 is characterized in that: The olfactory leakage occurrence location determination module includes: a first leakage location determination unit, configured to determine that the leakage occurs at all set locations and issue an alarm, perform emergency braking to stop the operation, and remind on-site workers to clean up the cover if an alarm is found in the alarm results of each of the ambient air quality micro-stations, the alarm results of each of the wireless fixed alarms, and the alarm results of each of the wireless micro-leakage monitors; a second leakage location determination unit, configured to determine, based on wind speed and direction, that the leakage location is within the set area of the hazardous chemicals loading and unloading platform and issue an alarm if the alarm results of each of the ambient air quality micro-stations indicate an alarm and the alarm results of each of the wireless fixed alarms and each of the wireless micro-leakage monitors indicate no alarm; a third leakage location determination unit, configured to determine that the leakage location is within the set area of the hazardous chemicals loading and unloading parking space and issue an alarm if the alarm results of the ambient air quality micro-stations and the alarm results of the wireless fixed alarms are both no alarms, and the alarm results of the wireless micro-leak monitors are alarms; The fourth leakage location determination unit is used to determine that the leakage location is within the set area of the pier and issue an alarm if the alarm results of each of the ambient air quality micro stations and the alarm results of each of the wireless micro leakage monitors are no alarm and the alarm results of each of the wireless fixed alarms are alarm.

7. The hazardous chemicals loading and unloading platform leakage control system according to claim 5 is characterized in that: The ambient air quality micro station module and the wireless fixed alarm module transmit information with the Internet of Things cloud platform through a 4G wireless module, and the wireless micro leakage monitor module transmits information with the Internet of Things cloud platform through an NB-IOT or LORA wireless module.

8. The hazardous chemicals loading and unloading platform leakage control system according to claim 3 is characterized in that: The first setting area of the display is used to display the video and gas concentration within the setting area of the hazardous chemical loading and unloading platform, the second setting area of the display is used to display the video and gas concentration within the setting area of the hazardous chemical loading and unloading space, the third setting area of the display is used to display the video and gas concentration within the setting area of the pier, the fourth setting area of the display is used to display the video and gas concentration of the leakage location, and the fifth setting area of the display is used to display the panoramic video and gas concentration of the hazardous chemical loading and unloading platform.

Images