CN218674835U - Ecological environment monitoring device for limited space operation - Google Patents

Abstract

The utility model discloses an ecological environment monitoring device for operation in a limited space, which comprises a supporting part, a main box is arranged above the supporting part, and a gas detection module and a gas detection module for monitoring the concentration of each component of the current ambient gas are arranged in the main box. A monitoring host, an operable pan-tilt is fixed on the main chassis, and a video monitoring module for monitoring the status of personnel in the work space is installed on the pan-tilt. The gas detection module and the video monitoring module are connected to the monitoring host. The monitoring host is connected with the terminal monitoring equipment, and the utility model can realize gas environment detection and operation environment monitoring at the same time, ensuring safe operation in a limited space.

Description

An ecological environment monitoring device for limited space operations

technical field

The utility model belongs to the field of environment monitoring, and in particular relates to an ecological environment monitoring device for operation in a limited space.

Background technique

Confined space refers to a space that is closed or partially closed, with narrow and limited entrances and exits, not designed as a fixed workplace, poor natural ventilation, and prone to accumulation of toxic and harmful, flammable and explosive substances, or insufficient oxygen content. Confined space operation refers to the operation activities carried out by operators entering a limited space.

The main dangers of working in a limited space are: ①The working space is narrow, there are few operators, and the working environment cannot be monitored. ② The natural ventilation capacity of the limited space is poor, and the oxygen concentration may not be guaranteed when the workers are working. ③ Poisonous, harmful and explosive gases may accumulate in the space.

For this reason, the National Emergency Management Agency stipulates that when working in a limited space, personnel should be fully ventilated before entering the limited space and measure the oxygen content in the limited space. Only when the oxygen content in the limited space is guaranteed to be above 19.5% can they enter the operation At the same time, oxygen monitoring should be carried out continuously, and an oxygen detection should be carried out every 15 minutes.

At present, the thermal power industry generally uses a hand-held oxygen tester to measure before operating in a limited space, and enter the operation after meeting the oxygen condition. At present, there are few monitoring methods for limited space operations, and it is impossible to realize gas environment detection and operation environment monitoring at the same time. There are mainly the following disadvantages: ① When entering a limited space for measurement for the first time, there is a danger of suffocation. ②Oxygen concentration is generally only detected before operation, and there are few inspection methods for toxic, harmful, flammable and explosive gases. ③ When working in a limited space, it is impossible to continuously monitor the oxygen concentration and the monitoring of toxic and harmful gases in the workplace. ④ During the operation, the monitoring means for the operators is insufficient, and there may be casualties that cannot be detected in time. ⑤ Existing equipment cannot simultaneously detect the gas environment in the work area and visually monitor the working environment of the operators. ⑥ It is impossible to realize machine intelligence to judge the existence or danger of personnel.

Utility model content

The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide an ecological environment monitoring device for limited space operation that can realize gas environment detection and operation environment monitoring at the same time and ensure the safety of operation in limited space.

In order to achieve the above object, the technical solution of the utility model is:

An ecological environment monitoring device for working in a limited space, comprising a supporting part, a main box is installed above the supporting part, and a gas detection module and a monitoring host for monitoring the concentration of each component of the current ambient gas are arranged in the main box. An operable pan-tilt is fixed on the main box, and a video monitoring module for monitoring the status of personnel in the work space is installed on the pan-tilt. The gas detection module and the video monitoring module are connected to the monitoring host, and the monitoring host is connected to the terminal Monitor device connections.

Preferably, the main chassis is connected to the supporting component by a detachable connection structure.

Preferably, the support component is a telescopic height-adjustable support frame; or, the support component is a hand-held telescopic rod.

Preferably, the gas detection module includes one or more gas sensors installed in the main box for detecting gas components, and a sampling hole for introducing gas is opened on the main box.

Preferably, the gas detection module further includes a gas sampling pump installed in the main box for pumping gas in the environment into the main box.

Preferably, the gas sensor is installed in series on the collection pipeline of the gas sampling pump; or, the collection pipeline includes multiple pieces, and a sampling hole is set on the main chassis corresponding to each of the collection pipelines. One gas sensor or a plurality of gas sensors are installed in series on each of the collection pipelines.

Preferably, the video monitoring module adopts an AI camera, and a transmission module is provided in the AI camera, and the transmission type of the transmission module includes Bluetooth transmission and/or WiFi transmission and/or mobile data network and/or independent AP hotspot.

Preferably, the AI camera has an AI recognition module, which can recognize and record human faces and/or human gestures and/or tools.

Preferably, the monitoring device further includes an alarm module, the alarm module is connected to the monitoring host and/or the terminal monitoring equipment, and sends an alarm message when the monitoring host judges that the state of the operator and the concentration of harmful gas reach the alarm condition, the Alarm conditions are pre-stored in the monitoring host.

Preferably, the terminal monitoring device is a mobile phone and/or a monitoring display and/or a PC terminal.

After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art.

(1) The utility model can monitor the gas composition of the current working environment in real time by setting a video monitoring module, and at the same time monitor the state of the workers and the working environment, so as to prevent the workers from hypoxia, toxic gas poisoning or other accidents.

(2) The utility model improves the application scene of the equipment by setting a detachable support part. The support part can be a support frame capable of telescopically adjusting the height to obtain a better gas monitoring height. The support part can also be a hand-held The telescopic rod, before entering the narrow and limited space to work, the monitoring device is extended into the working space to monitor the gas composition in advance through the hand-held telescopic rod, and at the same time obtain the image information of the working space, so that the staff can know what to expect.

(3) The utility model intelligently identifies personnel within the monitoring range by setting an AI identification module. When the posture of the operator changes at a large angle or keeps a posture for a long time, it is judged that the posture of the personnel is abnormal and an alarm is issued and the monitoring personnel are notified to deal with it .

(4) The utility model recognizes carrying tools and articles entering a limited space through the article AI intelligent algorithm. Before each entry into a limited space, the monitoring device can record the information of the tools and items carried by the operators entering the limited space. The information records of the items brought out after the operation are compared with those before entering. If they are inconsistent, a judgment will be made and an alarm will be issued.

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail.

Description of drawings

The accompanying drawings, as a part of the utility model, are used to provide a further understanding of the utility model, and the schematic embodiments of the utility model and their descriptions are used to explain the utility model, but do not constitute improper limitations to the utility model. Apparently, the drawings in the following description are only some embodiments, and those skilled in the art can also obtain other drawings according to these drawings without creative efforts. In the attached picture:

Fig. 1 is a structural representation of the utility model;

In the figure: 1. Supporting components; 2. Main chassis; 3. Cloud platform; 4. AI camera; 5. Gas detection module; 6. Gas sampling pump; 7. UPS uninterruptible power supply.

It should be noted that these drawings and text descriptions are not intended to limit the scope of the invention in any way, but illustrate the concept of the invention for those skilled in the art by referring to specific embodiments.

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. The following embodiments are used for illustration The utility model, but not used to limit the scope of the utility model.

In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, use a specific The azimuth structure and operation, therefore can not be construed as the limitation of the present utility model.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

Embodiment one

As shown in Figure 1, the ecological environment monitoring device for limited space operation provided by the utility model mainly includes a supporting part 1, a main machine box 2 is installed above the supporting part 1, and a main machine box 2 is installed in the main machine box 2 for monitoring the current ambient gas. The gas detection module 5 and the monitoring host of the concentration of each component, the main frame 2 is fixed with an operable pan-tilt 3, and the pan-tilt 3 is equipped with a video monitoring module for monitoring the status of the personnel in the work space, the gas detection module 5 and the video monitoring The module is connected with the monitoring host, and the monitoring host is connected with the terminal monitoring equipment.

Further, the support component 1 is a support frame, and the support frame is a support structure with three support angles or more than three support angles. The height of each support foot of the support frame is adjustable. Preferably, the support feet are telescopic structures. Further, the telescopic The structure is equipped with a limit piece to prevent the operator from misoperation and damage to the telescopic function. Preferably, the telescoping structure has a locking structure that ensures the synchronous extension of each support leg, and the locking structure can lock the state of the support frame to prevent shaking during work, falling down and damaging equipment or personnel.

When the support frame is used as the supporting part 1, the application scenario is mostly when the operator is working, and the monitoring device is placed next to it, so that the monitoring personnel can monitor the working conditions of the operator in real time, so as to avoid accidents that no one knows and miss the golden window for rescue .

Further, the support component 1 can also be a hand-held telescopic rod. Preferably, the hand-held telescopic rod is a telescopic structure, and the telescopic structure also has a locking mechanism for fixing the length. Specifically, the hand-held telescopic rod adopts a multi-layer sleeve Barrel structure, the longest stretching length can reach several meters.

When using a hand-held telescopic rod as the supporting component 1, the application scenario can be to extend the monitoring device into a limited space for pre-testing before working in a limited space, to check whether the gas is poisonous, whether the oxygen content meets the standard and other parameters.

Further, the video monitoring module adopts the AI camera 4, and the AI camera 4 can be wired, and the data and images are transmitted to the rear monitoring personnel position through cables. Preferably, the monitoring device has a portable display, and the wired connection of the AI camera 4 Multi-channel shunting can be carried out, and the data and effects can be transmitted to the portable display, which is convenient for the on-site staff to understand the working environment in advance, so that they can know what they are doing.

The main chassis 2 is fixedly connected above the support frame, and the connection between the main chassis 2 and the support component 1 is a detachable connection. Further, the connection between the main chassis 2 and the support component 1 can be a universal snap-lock connection. Further, the main chassis 2 The connection between the box 2 and the support member 1 can also be a threaded connection.

Preferably, the connection between the main chassis 2 and the support member 1 is a threaded connection with a snap-lock connection, or a threaded connection and a snap-lock connection in parallel, and the on-site staff decides which connection method is more convenient and quick, or Choose two kinds of connections to use at the same time to increase the firmness of the support.

The gas detection module 5 on the main box 2 includes a sampling hole opened in the main box 2 and a gas detection device installed in the main box 2 . Furthermore, only one sampling hole can meet the requirement of gas entry.

Preferably, the sampling hole is densely arranged with multiple small holes at one place to prevent larger foreign matter from directly falling into the sampling hole and hindering the normal operation of the device.

Further, a filtering device is provided inside the sampling hole, which can filter the dust and impurities in the ambient gas, avoid too much dust in the working environment from affecting the detection accuracy of the gas detection device, and also prevent dust from entering the gas detection device and affecting the detection The service life of the components in the device. Preferably, the filter device is a quick-release design for easy replacement of the filter element, which facilitates the replacement of consumables during later use.

The gas detection device includes a gas sampling pump 6 and a gas sensor connected to the sampling hole. Specifically, the air intake pipe of the gas sampling pump 6 is connected to the filter device. After the sensor detects the gas, it is discharged through the exhaust pipe of the gas sampling pump 6 .

Preferably, a gas sensor is installed on the air intake line of the gas sampling pump 6, and the gas sensor is installed in series on the air intake line of the gas sampling pump 6, or a plurality of branch pipes corresponding to the sensors are drawn from the air intake line of the gas sampling pump 6 Install the sensors in parallel. Using an air pump to pump gas can make the airflow pass through the sensor stably, and the equipment works more stably. Specifically, the gas sensor is an electrochemical sensor for detecting gases such as chlorine, ammonia, nitrogen oxides, phosgene, hydrogen fluoride, sulfur dioxide, sulfur trioxide, and dimethyl sulfate, and the electrochemical sensor is installed on the inner wall of the intake pipe. , to ensure that the electrochemical sensor can contact the inhaled gas for the first time.

Preferably, the electrochemical sensor is a quick-release modular design to realize diversified combined detection with limited slots, increase application scenarios, and facilitate the replacement of corresponding sensors for different working environments.

The above-mentioned monitoring device also includes an alarm module, which is connected to the monitoring host and/or terminal monitoring equipment. When the monitoring host judges that the status of the operator and the concentration of harmful gases meet the alarm conditions, an alarm message is sent. The alarm conditions are pre-stored in the monitoring host.

Further, each electrochemical sensor corresponds to a toxic and harmful gas, and an electrochemical oxygen sensor is installed on the inner wall of the intake pipe to detect the oxygen concentration in the working environment in real time. The air in the working environment contains toxic and harmful gases or oxygen content When the standard is not met, the alarm module will be notified in time to allow the staff to evacuate the work site.

Furthermore, when the sensor detects an abnormal gas in the working environment, in addition to sending an alarm in time to remind the staff, the data detected by the above electrochemical sensor can be transmitted to the rear guardians at the same time, and the guardians can simultaneously see whether there is toxic gas , when the staff does not notice the alarm in time due to noise and other problems, the guardian will warn manually to form a double guarantee.

Furthermore, besides the existence of toxic gas, the information obtained by the guardians of the working environment can also monitor the change curve of the oxygen content. The staff paid attention to ventilation to avoid further reduction of the oxygen content, which would directly cause the on-site staff to be unconscious.

Preferably, in addition to the wired power supply, the power supply of the equipment in the main box 2 also has a built-in UPS uninterruptible power supply 7. When working in a limited space, sometimes there is no fixed lighting, so the staff can not sense in real time whether there is still a connection on site. power supply. For example, the working environment is in places like karst caves in the wild. The staff themselves bring their own lighting equipment. If the detection device is powered off, the staff will immediately lose their ability to perceive the environment, and the guardians behind will also lose their ability to obtain information. At this time, it is necessary to stop the work immediately and continue to work after the power is restored to avoid accidents.

However, in many cases, the power outage is only a power failure, which does not affect the staff to continue to work. Stopping the work directly will greatly affect the work efficiency. trouble. With a UPS uninterruptible power supply 7, the power supply can be seamlessly switched, the monitoring will not be interrupted, and the information transmission to the rear guardians will not be stopped, which greatly improves the work. The detection device reminds when switching, reports in time when the power is falling, and transmits the power information to the rear guardian to remind him to pay attention to the power.

The main box 2 is equipped with a pan-tilt 3, and the pan-tilt 3 is equipped with an AI camera 4. The pan-tilt 3 can rotate 360 degrees in the horizontal direction and 90 degrees in the vertical direction, so that the rotation angle can cover a hemispherical area, plus the AI camera 4 itself wide-angle, so as to maximize the acquisition of on-site images.

Further, the AI camera 4 is equipped with a lighting device, preferably multiple groups of LED lamp beads. Adding LED lamp beads can supplement the lighting for the working environment. In the case of no fixed light source, the brightness of the LED lamp beads can solve the problem. Most lighting issues.

Furthermore, the monitoring device has a real-time intercom function, integrates the ability of the walkie-talkie, realizes real-time two-way voice communication, and facilitates the information exchange between the operators in the limited space and the guardians outside the limited space.

Embodiment two

Compared with the first embodiment above, the difference of this embodiment is that the AI camera 4 is equipped with a transmission module, and the transmission type of the transmission module includes Bluetooth transmission and/or WiFi transmission and/or mobile data network and/or independent AP hotspot.

Furthermore, the device adopts Bluetooth short-distance transmission, which can make the data of the detection device conveniently and directly transmitted to the mobile phone of the staff, which is convenient for the staff to check in real time. Furthermore, the device adds WiFi transmission, which further expands the scope of use and increases the application scenarios within the coverage of WiFi.

Furthermore, the equipment adopts mobile data network transmission, which is convenient for working in the field and other environments. At the same time, the guardians are not limited to the vicinity of the work site, and the second guardians can be set up wherever there is a network. For example, you can set up an intensive care unit at the headquarters, and there are several guardians in the intensive care unit. In addition to the images and monitoring data of the work site, the guardians in the intensive care unit can also obtain the images and monitoring data of the work site. Furthermore, the guardians in the intensive care unit can monitor multiple work sites by one person, further increasing safety and security.

Furthermore, the device itself has an independent AP hotspot, even if there is no router or data network signal, it can also realize data receiving and sending. Control the functions of gimbal 3 and camera.

Furthermore, the terminal monitoring equipment is an exclusive multi-platform APP developed by this monitoring device, which can directly control the camera on the mobile terminal and PC terminal, and directly view the real-time video monitoring data transmitted by the network camera and the environmental monitoring data detected by the gas sensor. The monitoring data can also be directly transmitted to the target mobile phone, and can also be shared through the mobile phone to realize real-time monitoring of multiple people in the working environment.

Furthermore, the detection device can be used with a wristband, and the staff who enter the scene wear the wristband. When an abnormality is detected in the environment monitoring, the wristband vibrates together with the alarm sound to attract the attention of the staff.

Furthermore, the wristband can have a small display screen, and the staff can know what kind of alarm it is when receiving the alarm, specifically what kind of toxic gas, or the decrease in oxygen content, etc., so that the staff can make targeted actions. action.

Embodiment three

Compared with the above-mentioned embodiment, the difference of this embodiment is that the AI camera 4 has an AI recognition module, and the AI recognition module can recognize and record human faces, human postures and tools.

The AI camera 4 uses the face AI intelligent algorithm to identify the operator who enters the limited space, and sends the information to the host, and compares it with the face information of the person in the operation area preset by the detection device to intelligently determine whether it is an operator in the operation area, such as Not an immediate voice alarm. Every time before entering a limited space to work, the detection device can actively record the face information of the operators entering the limited space, and the recorded facial information of the operators after the operation is the same as before entering. If inconsistent, it will judge and call the police.

Furthermore, the AI camera 4 uses AI technology to automatically capture the face and determine the posture of the operator. When the posture of the operator suddenly changes at a large angle, the monitoring device will automatically judge that the personnel is in a dangerous state and issue a voice alarm. In the work area, the workers maintain a posture for a long time to work, and the video surveillance will automatically voice an alarm to remind the guardians, and can also broadcast a reserved phone number to remind the monitors to check whether the workers are in a dangerous state.

Further, through the item AI intelligent algorithm, it can identify the tools and items that enter the limited space. Before each entry into a limited space, the monitoring device can record the information of the tools and items carried by the operators entering the limited space. The information records of the items brought out after the operation are compared with those before entering. If they are inconsistent, a judgment will be made and an alarm will be issued. It facilitates the unified management of operation tools and improves management efficiency.

The above descriptions are only preferred embodiments of the present utility model, and do not limit the utility model in any form. Although the utility model has been disclosed as above with preferred embodiments, it is not intended to limit the utility model. Without departing from the scope of the technical solution of the present utility model, the technicians of this patent can use the technical content of the above-mentioned prompts to make some changes or modify them into equivalent embodiments with equivalent changes, and the implementations in the above-mentioned embodiments can also be further combined Or replace, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention, all still belong to the scope of the technical solution of the present invention.

Claims (10)

1. The utility model provides an ecological environment monitoring devices for limited space operation which characterized in that: including the supporting part, the mainframe box is equipped with to the supporting part top, be equipped with the gaseous detection module and the monitoring host computer that are used for monitoring current environment gas each composition concentration in the mainframe box, the operable cloud platform has set firmly on the mainframe box, install the video monitoring module who is used for monitoring operation space personnel state on the cloud platform, gaseous detection module and video monitoring module are connected with the monitoring host computer, the monitoring host computer is connected with terminal supervisory equipment.

2. The ecological environment monitoring device for limited space operation according to claim 1, characterized in that: the mainframe box is connected with the supporting part by adopting a detachable connecting structure.

3. The ecological environment monitoring device for limited space operation according to claim 1, characterized in that: the supporting part is a supporting frame with the height capable of being adjusted in a telescopic mode; or, the supporting part is a handheld telescopic rod.

4. The ecological environment monitoring device for limited space operation according to claim 1, characterized in that: the gas detection module comprises one or more gas sensors which are arranged in the main case and used for detecting gas components, and a sampling hole for introducing gas is formed in the main case.

5. The ecological environment monitoring device for limited space operation according to claim 4, characterized in that: the gas detection module further comprises a gas sampling pump installed in the main case and used for pumping gas in the environment into the main case.

6. The ecological environment monitoring device for limited space operation according to claim 5, characterized in that: the gas sensor is installed on a collecting pipeline of the gas sampling pump in series; or, the collection pipeline includes many, corresponds every the collection pipeline is in set up the sampling hole on the mainframe box, every install one on the collection pipeline gas sensor or establish ties a plurality ofly gas sensor.

7. The ecological environment monitoring device for limited space operation according to claim 1, characterized in that: the video monitoring module adopts an AI camera, a transmission module is arranged in the AI camera, and the transmission type of the transmission module comprises Bluetooth transmission and/or WiFi transmission and/or a mobile data network and/or an independent AP hotspot.

8. The ecological environment monitoring device for limited space operation according to claim 7, characterized in that: the AI camera is provided with an AI recognition module which can recognize and record human faces and/or human body gestures and/or tools.

9. The ecological environment monitoring device for limited space operation according to claim 1, characterized in that: the monitoring device further comprises an alarm module, the alarm module is connected with the monitoring host and/or the terminal monitoring equipment, when the monitoring host judges that the state of an operator and the concentration of harmful gas reach alarm conditions, alarm information is sent, and the alarm conditions are pre-stored in the monitoring host.

10. The ecological environment monitoring device for limited space work according to any one of claims 1 to 9, characterized in that: the terminal monitoring equipment is a mobile phone and/or a monitoring display and/or a PC terminal.

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