CN215807731U - Monitoring device and major hazard source visual management system - Google Patents

Abstract

The application provides a monitoring device and a major hazard source visual management system, and belongs to the technical field of enterprise safety production management and control. The monitoring device comprises a gas monitoring mechanism and a video monitoring mechanism. Gaseous monitoring mechanism includes control box, deashing subassembly, baffle, the subassembly of breathing in, filter screen, electronic alarm and observation window, the deashing subassembly connect in control incasement wall, and the deashing subassembly runs through and extends to control the incasement portion, the observation window inlays to be located control box one side, the deashing subassembly with the observation window is laminated mutually, the baffle install in control incasement wall, the filter screen connect in the baffle with between the control box. This application is through deashing structure and gas monitoring structure, can regularly clear up the dust on lens surface, improves the definition of control picture, is convenient for monitor, can monitor poisonous combustible gas leakage simultaneously, and through operational environment's security, reduce great loss.

Description

Monitoring device and major hazard source visual management system

Technical Field

The application relates to the field of enterprise safety production management and control, in particular to a monitoring device and a major hazard source visual management system.

Background

The major hazard source refers to a unit which produces, uses, stores or operates hazardous substances for a long time or temporarily, the quantity of the hazardous substances is equal to or exceeds a critical quantity, the major hazard source is the key point of safety production management and control of each enterprise, the enterprise should make perfect control measures and emergency plans according to the characteristics of storage or production media, the major hazard source needs to be monitored to guarantee safety, the monitoring effect of the existing monitoring device is poor, toxic combustible gas cannot be detected, the monitoring device needs to be arranged in various complicated places for monitoring, a large amount of dust can be adhered to the lens of the monitoring device after long-time use, the definition of a monitoring picture is influenced, the monitoring is not facilitated, meanwhile, if the toxic combustible gas is leaked, monitoring cannot be carried out, and great losses such as fire disasters, casualties and the like are easily caused.

How to invent a monitoring device and a major hazard source visualization management system to improve the problems becomes a problem to be solved urgently by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to compensate for the above insufficiency, the application provides monitoring device and the visual management system of great danger source, aims at improving the poor and problem that can not detect poisonous combustible gas of monitoring effect.

The application is realized as follows:

in a first aspect, the present invention provides a monitoring apparatus comprising a gas monitoring mechanism and a video monitoring mechanism.

The gas monitoring mechanism comprises a monitoring box, an ash cleaning component, a partition plate, an air suction component, a filter screen, an electronic alarm and an observation window, wherein the ash cleaning component is connected to the inner wall of the monitoring box, the ash cleaning component extends to the outside of the monitoring box in a penetrating way, the observation window is embedded at one side of the monitoring box, the ash cleaning component is attached to the observation window, the partition plate is installed on the inner wall of the monitoring box, the filter screen is connected between the partition plate and the monitoring box, the air suction component is installed on the inner wall of the monitoring box, the electronic alarm is connected to the bottom of the monitoring box, the video monitoring mechanism comprises a second motor, a first conical gear, a second conical gear, a rotating rod, a swinging rod and a camera, the second motor is connected to one side of the partition plate, the first conical gear is installed on the output shaft of the second motor, and two ends of the rotating rod are rotatably connected to the inner wall of the monitoring box, the second conical gear and the swing rod are mounted on the outer surface of the rotating rod, the second conical gear is in meshed connection with the first conical gear, and the camera is mounted at one end of the swing rod.

In the above-mentioned implementation process, the control box is used for protecting monitoring camera, the deashing subassembly is used for clearing up the dust of adhesion on the observation window, improve the definition of control picture, and then improve the monitoring effect, reduce the trouble of artifical clearance, the subassembly of breathing in is used for detecting whether there is poisonous combustible gas near this moment, and then monitor gas leakage, the filter screen is used for filtering the dust, collect the dust on the observation window, make things convenient for people to clear up, electronic alarm is used for sending the police dispatch newspaper sound, remind people to notice safety, the second motor drives second bevel gear through first bevel gear and rotates, second bevel gear drives the pendulum rod through the bull stick and rotates, the pendulum rod drives the camera luffing motion, thereby adjust the control angle of camera, improve the scope of control picture.

In a specific embodiment, the partition divides the monitoring box into two independent spaces, and the camera is positioned in one of the independent spaces.

In a specific implementation scheme, the deashing subassembly includes first motor, layer board and brush, first motor connect in control box inner wall, the layer board install in first motor output shaft, the brush connect in layer board one side, the brush with the observation window is laminated mutually.

In the implementation process, the first motor drives the brush to rotate through the supporting plate, the brush cleans dust adhered to the surface of the observation window, transparency of the observation window is improved, and monitoring effect is indirectly improved.

In a specific embodiment, the inner wall of the monitoring box is provided with a through hole, and the output shaft of the first motor is slidably connected to the through hole.

In a specific embodiment, the subassembly of breathing in includes draught fan, detection case and gas sensor, the draught fan connect in baffle one side, the detection case is fixed run through in the detection case, gas sensor install in the detection incasement wall, the draught fan is located another independent space.

In the above-mentioned realization process, the draught fan is used for absorbing the air near the external world in the detection case, and gas sensor detects the gas type and the content of inhaled air, and then judges near there is gas leakage here, lets people in time discover gas leakage, and then improves the security of production.

In a specific embodiment, the air outlet end of the induced draft fan is communicated with the detection box, and one end of the detection box is provided with an air outlet.

In the above implementation process, the air outlet is used for discharging air in the detection box.

In a specific implementation scheme, a baffle is fixedly connected to the inner wall of the monitoring box, an air inlet is formed in one side of the monitoring box, and an ash guide plate is fixedly connected to the air inlet.

In the above-mentioned realization process, the baffle is used for making the difficult backward flow of dust that enters into the control box and discharge the control box, leads the hawk and is used for guiding the dust, is convenient for store in leading-in the control box with the dust that drops on the observation window.

In a specific implementation scheme, the other side of the monitoring box is provided with an ash outlet, and the inner surface of the ash outlet is provided with a material baffle.

In the implementation process, the dust outlet and the material baffle are used for facilitating people to discharge dust accumulated in the monitoring box.

In a specific embodiment, the gas monitoring mechanism further comprises a mounting assembly, the mounting assembly comprises a pillar, a support and a bolt, two ends of the pillar are respectively connected with the monitoring box and the support, a jack is formed in the inner surface of the support, and the bolt penetrates through the jack in a sliding manner.

In the above implementation process, the bolt is used to fix the monitoring box at the installation position through the pillar and the bracket.

In a second aspect, the present application further provides a major hazard source visualization management system, including the monitoring device described above.

In the implementation process, the entrance aggregation switch and the gateway upload data to the data collector, and the data collector collects and stores the received data to the real-time database; the data acquisition unit is isolated from the real-time database server through the unidirectional network gate, unidirectional transmission of data is achieved, boundary isolation is achieved between the production network and the office network, and safety of DCS production operation is guaranteed.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a monitoring device and a major hazard source visualization management system according to an embodiment of the present disclosure;

FIG. 2 is a schematic diagram of a gas monitoring mechanism according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural view of an ash removal assembly according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of a getter assembly according to an embodiment of the present disclosure;

FIG. 5 is a schematic structural diagram of a mounting assembly provided in an embodiment of the present application;

fig. 6 is a schematic view illustrating a first view structure of a video monitoring mechanism according to an embodiment of the present disclosure;

fig. 7 is a schematic diagram illustrating a second view structure of a video monitoring mechanism according to an embodiment of the present disclosure.

In the figure: 10-a gas monitoring mechanism; 110-monitoring box; 120-a soot cleaning assembly; 121-a first motor; 122-a pallet; 123-a brush; 130-a separator; 140-a getter assembly; 141-an induced draft fan; 142-a detection box; 143-gas sensor; 144-air outlet; 150-a filter screen; 160-a baffle; 170-electronic alarm; 180-observation window; 190-a mounting assembly; 191-a strut; 192-a scaffold; 193-bolt; 20-a video monitoring mechanism; 210-a second motor; 220-a first conical gear; 230-a second conical gear; 240-rotating rod; 250-swing rod; 260-camera.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1-7, the present application provides a technical solution: monitoring device, including gaseous monitoring mechanism 10 and video monitoring mechanism 20, wherein, video monitoring mechanism 20 fixed connection is inside gaseous monitoring mechanism 10, and gaseous monitoring mechanism 10 is used for monitoring poisonous combustible gas, improves operational environment's security, video monitoring mechanism 20. The device is used for monitoring and analyzing dynamic equipment and static equipment on line so as to perform predictive maintenance of faults, the full life cycle management of the equipment is realized by establishing a digital equipment model, and information such as installation, operation, maintenance, change, scrappage and the like of the equipment is maintained in a unified state machine, so that the intelligent promotion of equipment management and operation and maintenance is realized.

Referring to fig. 1 and 2, the gas monitoring mechanism 10 includes a monitoring box 110, an ash removing component 120, a partition 130, an air suction component 140, a filter screen 150, an electronic alarm 170 and an observation window 180, wherein the ash removing component 120 is connected to an inner wall of the monitoring box 110, the ash removing component 120 extends to the outside of the monitoring box 110, the observation window 180 is embedded at one side of the monitoring box 110, the ash removing component 120 is attached to the observation window 180, the partition 130 is mounted on the inner wall of the monitoring box 110, specifically, the partition 130 is mounted on the inner wall of the monitoring box 110 by welding, the filter screen 150 is connected between the partition 130 and the monitoring box 110, specifically, the filter screen 150 is connected between the partition 130 and the monitoring box 110 by welding, the air suction component 140 is mounted on the inner wall of the monitoring box 110, the electronic alarm 170 is connected to the bottom of the monitoring box 110, specifically, the electronic alarm 170 is fixedly connected to the bottom of the monitoring box 110 by screws, and the monitoring box 110 is used for protecting the monitoring lens, deashing subassembly 120 is used for clearing up the dust of adhesion on observation window 180, improves the definition of control picture, and then improves monitoring effect, reduce the trouble of artifical clearance, whether subassembly 140 of breathing in is used for detecting near this moment to have poisonous combustible gas, and then monitors gas leakage, filter screen 150 is used for filtering the dust, collect the dust on observation window 180, make things convenient for people to clear up, electronic alarm 170 is used for sending out the alarm sound, remind people to notice safety.

In some specific embodiments, a baffle 160 is fixedly connected to an inner wall of the monitoring box 110, an air inlet is formed in one side of the monitoring box 110, an ash guide plate is fixedly connected to the air inlet, the baffle 160 is used for preventing dust entering the monitoring box 110 from flowing back and being discharged out of the monitoring box 110, and the ash guide plate is used for guiding dust, so that the dust falling from the observation window 180 can be conveniently guided into the monitoring box 110 for storage; the other side of the monitoring box 110 is provided with a dust outlet, the inner surface of the dust outlet is provided with a material baffle, and the dust outlet and the material baffle are used for facilitating people to discharge dust accumulated in the monitoring box 110.

Referring to fig. 2 and 3, the ash removal assembly 120 includes a first motor 121, a support plate 122 and a brush 123, the first motor 121 is connected to an inner wall of the monitoring box 110, specifically, the first motor 121 is fixedly connected to the inner wall of the monitoring box 110 by a screw, the support plate 122 is installed on an output shaft of the first motor 121, specifically, the support plate 122 is fixedly installed on the output shaft of the first motor 121 by welding, the brush 123 is connected to one side of the support plate 122, specifically, the brush 123 is fixedly connected to one side of the support plate 122 by welding, the brush 123 is attached to the observation window 180, the first motor 121 drives the brush 123 to rotate by the support plate 122, the brush 123 cleans dust adhered to the surface of the observation window 180, improves transparency of the observation window 180, and indirectly improves monitoring effect; the inner wall of the monitoring box 110 is provided with a through hole, and the output shaft of the first motor 121 is slidably connected to the through hole.

Referring to fig. 2 and 4, the air suction assembly 140 includes an induced draft fan 141, a detection box 142 and a gas sensor 143, the induced draft fan 141 is connected to one side of the partition 130, specifically, the induced draft fan 141 is fixedly connected to one side of the partition 130 by screws, the detection box 142 is fixedly penetrated through the detection box 142, the gas sensor 143 is mounted on the inner wall of the detection box 142, specifically, the gas sensor 143 is fixedly mounted on the inner wall of the detection box 142 by screws, the induced draft fan 141 is located in another independent space, the induced draft fan 141 is used for absorbing air near the outside into the detection box 142, and the gas sensor 143 detects the type and content of the sucked air, so as to determine whether there is gas leakage near the detection box, so that people can find the gas leakage in time, and further improve the production safety; the air outlet end of the induced draft fan 141 is communicated with the detection box 142, one end of the detection box 142 is provided with an air outlet 144, and the air outlet 144 is used for discharging air in the detection box 142.

Referring to fig. 2 and 5, the gas monitoring mechanism 10 further includes a mounting assembly 190, the mounting assembly 190 includes a pillar 191, a bracket 192 and a bolt 193, two ends of the pillar 191 are respectively connected to the monitoring box 110 and the bracket 192, specifically, two ends of the pillar 191 are respectively connected to the monitoring box 110 and the bracket 192 by welding, an insertion hole is formed in an inner surface of the bracket 192, the bolt 193 slidably penetrates through the insertion hole, and the bolt 193 is used for fixing the monitoring box 110 at a mounting position through the pillar 191 and the bracket 192.

Referring to fig. 1, 2, 6, and 7, the video monitoring mechanism 20 includes a second motor 210, a first conical gear 220, a second conical gear 230, a rotating rod 240, a swinging rod 250, and a camera 260, the second motor 210 is connected to one side of the partition 130, specifically, the second motor 210 is fixedly connected to one side of the partition 130 through screws, the first conical gear 220 is installed on an output shaft of the second motor 210, specifically, the first conical gear 220 is fixedly installed on an output shaft of the second motor 210 through welding, two ends of the rotating rod 240 are rotatably connected to an inner wall of the monitoring box 110, specifically, two ends of the rotating rod 240 are rotatably connected to an inner wall of the monitoring box 110 through bearings, the second conical gear 230 and the swinging rod 250 are installed on an outer surface of the rotating rod 240, specifically, the second conical gear 230 and the swinging rod 250 are fixedly installed on an outer surface of the rotating rod 240 through welding, the second conical gear 230 is engaged with the first conical gear 220, the camera 260 is installed on one end of the swinging rod 250, specifically, the camera 260 is fixedly installed at one end of the swing rod 250 through a screw, the second motor 210 drives the second bevel gear 230 to rotate through the first bevel gear 220, the second bevel gear 230 drives the swing rod 250 to rotate through the rotating rod 240, and the swing rod 250 drives the camera 260 to swing up and down, so that the monitoring angle of the camera 260 is adjusted, and the range of a monitoring picture is enlarged.

In some embodiments, the partition 130 divides the monitoring box 110 into two separate spaces, one of which is located with the camera 260.

The working principle of the device is as follows: open first motor 121 regularly through the timer, first motor 121 can drive the brush 123 through layer board 122 and rotate, and the brush 123 sweeps the dust that the adhesion was on observation window 180 surfaces and falls to leading the hawk, and draught fan 141 can inhale the detection case 142 with the gas near external simultaneously in, and gas sensor 143 detectable gas's kind and content judge whether contain harmful and combustible gas in the gas of inhaling, and then judge whether gas leakage is here equipment. The health state of the equipment can be monitored on line, the monitoring on the running performance of the equipment is realized in a remote monitoring and operation and maintenance mode, the on-line analysis on the efficiency of the equipment and the predictive maintenance on the faults are realized aiming at partial asset equipment and intelligent equipment. The method has the advantages that the full life cycle management of the equipment is realized by establishing a digital equipment model, and the information of installation, operation, maintenance, change, scrapping and the like of the equipment is maintained in a unified state machine, so that the intelligent promotion of equipment management and operation and maintenance is realized, the current data change condition can be reflected by real-time trend, the data of historical trend is taken out of a historical database, the change condition of data in any time period can be checked, the historical trend generally has 8 pens at most, and 8 or less curves with different colors can be drawn at the same time. Through the inspection of historical trends, the long-time production situation can be known. When an accident occurs, accident memory and accident reason analysis can be performed by utilizing historical trends. The major hazard source detection data picture can comprehensively reflect the production and operation conditions of the hazard sources, and data related to each hazard source is generally concentrated into one or more pictures. The data is refreshed in real time, the refreshing speed can reach 0.5S, and the consistent real-time data can be ensured to be seen. The dangerous source detection picture can comprehensively reflect the production condition of the dangerous source, the system can set different levels of alarm aiming at each monitoring point position, and can timely feed back and remind related personnel of alarm data related to major dangerous sources in the production process and carry out step-by-step pushing. The real-time alarm can be configured by performing alarm configuration in the process of flow chart configuration, inputting alarm triggering conditions and parameters such as high limit, low limit alarm and the like into an alarm database, comparing the actually obtained real-time data with alarm setting parameters, and performing sound-light early warning prompt according to the comparison result to inform managers of abnormal production. The major hazard source visual management system realizes visual and comprehensive check of the operation parameters of the major hazard source. The data deviation early warning function is realized, and operating personnel can know the running condition of the major hazard source in the field itinerant detection process, so that the safety of entering a major hazard source operation area is ensured. The establishment of the major hazard source data monitoring platform breaks through an information isolated island of a control system, realizes data interconnection and intercommunication, improves the automation and intelligent management level of an industrial production field, and provides a powerful support for enterprise informatization construction. By adding a series of major hazard source visual monitoring systems and visual equipment, the major hazard source monitoring system plays a better monitoring role for the major hazard source of an enterprise, and is a powerful guarantee for the enterprise in the actual operation and operation maintenance process. Through deashing structure and gas monitoring structure, can regularly clear up the dust on lens surface, improve the definition of control picture, be convenient for monitor, can monitor poisonous combustible gas leakage simultaneously, through operational environment's security, reduce great loss.

It should be noted that the specific model specifications of the first motor 121, the brush 123, the induced draft fan 141, the gas sensor 143, the filter screen 150, the electronic alarm 170, the observation window 180, the bolt 193, the second motor 210, the first conical gear 220, the second conical gear 230, and the camera 260 need to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, and therefore, detailed description is omitted.

The power supply of the first motor 121, the induced draft fan 141, the gas sensor 143, the electronic alarm 170, the second motor 210 and the camera 260 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. The monitoring device is characterized by comprising

The gas monitoring mechanism (10) comprises a monitoring box (110), an ash cleaning component (120), a partition plate (130), an air suction component (140), a filter screen (150), an electronic alarm (170) and an observation window (180), wherein the ash cleaning component (120) is connected to the inner wall of the monitoring box (110), the ash cleaning component (120) penetrates and extends to the outside of the monitoring box (110), the observation window (180) is embedded at one side of the monitoring box (110), the ash cleaning component (120) is attached to the observation window (180), the partition plate (130) is arranged on the inner wall of the monitoring box (110), the filter screen (150) is connected between the partition (130) and the monitoring box (110), the air suction assembly (140) is arranged on the inner wall of the monitoring box (110), and the electronic alarm (170) is connected to the bottom of the monitoring box (110);

video monitoring mechanism (20), video monitoring mechanism (20) include second motor (210), first conical gear (220), second conical gear (230), bull stick (240), pendulum rod (250) and camera (260), second motor (210) connect in baffle (130) one side, first conical gear (220) install in second motor (210) output shaft, bull stick (240) both ends rotate connect in monitoring case (110) inner wall, second conical gear (230) with pendulum rod (250) install in bull stick (240) surface, second conical gear (230) with first conical gear (220) meshing connection, camera (260) install in pendulum rod (250) one end.

2. The monitoring device of claim 1, wherein the partition (130) divides the monitoring box (110) into two separate spaces, the camera (260) being located in one of the separate spaces.

3. The monitoring device according to claim 1, wherein the ash removal assembly (120) comprises a first motor (121), a supporting plate (122) and a brush (123), the first motor (121) is connected to the inner wall of the monitoring box (110), the supporting plate (122) is installed on the output shaft of the first motor (121), the brush (123) is connected to one side of the supporting plate (122), and the brush (123) is attached to the observation window (180).

4. The monitoring device according to claim 3, wherein the inner wall of the monitoring box (110) is provided with a through hole, and the output shaft of the first motor (121) is slidably connected to the through hole.

5. The monitoring device according to claim 2, wherein the air suction assembly (140) comprises an induced draft fan (141), a detection box (142) and a gas sensor (143), the induced draft fan (141) is connected to one side of the partition plate (130), the detection box (142) is fixedly penetrated through the detection box (142), the gas sensor (143) is installed on the inner wall of the detection box (142), and the induced draft fan (141) is located in another independent space.

6. The monitoring device according to claim 5, wherein the air outlet end of the induced draft fan (141) is communicated with the detection box (142), and an air outlet (144) is formed in one end of the detection box (142).

7. The monitoring device according to claim 1, wherein a baffle (160) is fixedly connected to an inner wall of the monitoring box (110), an air inlet is formed at one side of the monitoring box (110), and an ash guide plate is fixedly connected to the air inlet.

8. The monitoring device according to claim 1, wherein an ash hole is formed in the other side of the monitoring box (110), and a material baffle is formed on the inner surface of the ash hole.

9. The monitoring device according to claim 1, wherein the gas monitoring mechanism (10) further comprises a mounting assembly (190), the mounting assembly (190) comprises a pillar (191), a bracket (192) and a bolt (193), two ends of the pillar (191) are respectively connected with the monitoring box (110) and the bracket (192), an insertion hole is formed in the inner surface of the bracket (192), and the bolt (193) slidably penetrates through the insertion hole.

10. The major hazard source visual management system is characterized by comprising

The monitoring device of any one of claims 1-9.

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