Blasting warning system based on airborne infrared thermal imaging

Abstract

The utility model discloses a blasting warning system based on airborne infrared thermal imaging, which comprises an unmanned aerial vehicle (1) and a warning device (5) used for giving an alarm prompt, the unmanned aerial vehicle (1) is provided with a camera device (2) used for collecting information of a warning area. And the camera device (2) is in communication connection with the warning device (5). Through hovering and flying functions of the unmanned aerial vehicle, a warning area is effectively monitored in real time in the whole process from the time when blasting personnel evacuate from a site to the time when blasting is conducted, the infrared thermal imager is used for recognizing the temperatures of different objects in the monitoring area, and the recognition reliability and accuracy are improved; meanwhile, a panoramic camera is used for achieving all-directional monitoring of a blasting site; alarm information is quickly transmitted to each warning person by adopting the alarm device, and quick transmission and real-time interaction of abnormal condition information are realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of blasting technology, especially to a blasting warning system based on airborne infrared thermal imaging. BACKGROUND

[0002] Engineering blasting is a high-risk special industry involving explosive goods, and the blasting hazard effects generated in blasting include blasting vibration, blasting flyrock, blasting toxic and harmful gas, etc., which can cause different degrees of damage to buildings, mechanical equipment, living bodies, etc. within a certain range, resulting in considerable economic losses and living body casualties. If the personnel in the blasting warning area range fail to receive the evacuation message in time and accurately, it will cause a blasting engineering accident. Therefore, blasting warning is particularly important for the safe development of blasting construction, and can effectively avoid damage to mechanical equipment and casualties of living bodies.

[0003] How to improve the convenience and accuracy of blasting warning is the key to blasting warning. The existing traditional blasting safety warning method is: a warning area is set up at the blasting site, and when the charge is connected, unrelated personnel are prevented from entering the charge warning area; a blasting warning range is set up, and after the charge is completed, the blasting site is cleared, all personnel and vehicles and equipment in the field are evacuated to outside the blasting warning range, warning personnel enter the warning position according to the plan to carry out warning work, and personnel, vehicles and mechanical equipment are prohibited from entering the warning range until the blasting is completed.

[0004] The traditional blasting safety warning scheme is complicated to operate and time-consuming, and can only confirm the site conditions when evacuating personnel and mechanical equipment, and there is a time gap from warning to detonation. Each warning point can only understand the local situation, and there is an observation blind area in space, and the blasting safety warning information is scattered and the information interaction is not timely. UTILITY MODEL CONTENT

[0005] In view of the problem of not timely information interaction of blasting safety warning in the prior art, the utility model provides a blasting warning system based on airborne infrared thermal imaging.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] A blasting warning system based on airborne infrared thermal imaging, comprising a unmanned aerial vehicle 1, and further comprising a warning device 5 for issuing an alarm prompt;

[0008] The unmanned aerial vehicle 1 is provided with a camera device 2 for collecting information of the warning area; the camera device 2 and the warning device 5 are in communication connection.

[0009] Preferably, the camera device 2 is connected with the mounting platform of the unmanned aerial vehicle through a rotating coupling.

[0010] Preferably, the camera 2 comprises an infrared thermal imager, a panoramic camera, a storage module and an alarm module.

[0011] The infrared thermal imager is used for collecting thermal imaging information of the guard area and saving in the storage module; the panoramic camera is used for capturing panoramic image information of the guard area in real time and saving in the storage module; the alarm module is used for sending an alarm signal to the guard device 5 according to the thermal imaging information.

[0012] Preferably, the unmanned aerial vehicle 1 is a multi-rotor hovering unmanned aerial vehicle.

[0013] Preferably, the first communication module 3 is installed on any rotor of the unmanned aerial vehicle 1, and is used for communication between the camera 2 and the guard device 5.

[0014] Preferably, the unmanned aerial vehicle 1 is further provided with a loudspeaker 4 at the top end.

[0015] Preferably, the guard device 5 comprises an alarm lamp, an alarm loudspeaker and a second communication module; when the second communication module receives the alarm signal from the alarm module of the camera 2, the alarm lamp flashes and the alarm loudspeaker emits an alarm sound.

[0016] In summary, compared with the prior art, the utility model has at least the following beneficial effects:

[0017] Compared with the traditional guard mode, the system realizes effective monitoring of the guard area from the evacuation of the blasting personnel from the scene to the pre-explosion stage in real time through the hovering and flight functions of the unmanned aerial vehicle, and uses the infrared thermal imager to identify the temperatures of different objects in the monitoring area, thereby replacing the naked-eye identification of the personnel on the monitoring screen, and improving the identification reliability, accuracy and timeliness.

[0018] Meanwhile, the panoramic camera is used for realizing all-around monitoring of the blasting site; the alarm device is used for realizing rapid transmission of the alarm information to the guard personnel, realizing quick transmission and real-time interaction of the abnormal situation information; and the wireless communication convenience of the flight of the unmanned aerial vehicle and the on-board loudspeaker device is used for notifying the evacuation of the equipment personnel in the blasting guard area, thereby improving the timeliness of the on-site driving. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 Fig. 1 is a schematic diagram of a blasting guard system based on an airborne infrared thermal imager according to an exemplary embodiment of the utility model. DETAILED DESCRIPTION

[0020] The utility model will be described in further detail below in combination with embodiments and specific implementation manners. However, this should not be understood as limiting the scope of the above-mentioned subject matter of the utility model to the following embodiments. Any technology realized based on the content of the utility model falls within the scope of the utility model.

[0021] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0022] As shown in Figure 1 The utility model provides a kind of based on airborne infrared thermal imaging's explosion warning system, specifically including unmanned aerial vehicle 1 and for sending alarm prompt warning device 5.

[0023] In the embodiment, the bottom end of the unmanned aerial vehicle 1 is provided with a carrying platform (the installation of the carrying platform is prior art), and a camera device 2 is installed on the carrying platform. The camera device 2 is connected to the unmanned aerial vehicle carrying platform through a rotating coupling, realizing 360° horizontal rotation and 180° vertical rotation of the camera device 2.

[0024] The camera device 2 includes an infrared thermal imager, a panoramic camera, a storage module, and an alarm module.

[0025] The infrared thermal imager is used to collect thermal imaging information of the warning area and save it in the storage module. The panoramic camera is used to capture and collect real-time panoramic image information of the warning area and save it in the storage module. The alarm module is used to transmit an alarm signal to the warning device 5 through the first communication module 3 according to the thermal imaging information, for example, an alarm signal is sent when the temperature is greater than a preset value.

[0026] In the embodiment, the comparison between temperature and preset value is a simple and existing data processing method, and is not the focus of the technical solution. The application point of the present application is that the unmanned aerial vehicle is provided with an infrared thermal imager and a panoramic camera, which can collect temperature and video images of the warning area in real time.

[0027] In the embodiment, the unmanned aerial vehicle 1 is a multi-rotor hoverable unmanned aerial vehicle, and the first communication module 3 is installed on any rotor 11, for example, the top end of the rotor 11, for communication with the outside (warning device 5 or command center).

[0028] The top of the unmanned aerial vehicle 1 is also provided with a loudspeaker 4 for issuing voice information such as various instructions of alert, evacuation and clearing of the site from the command center.

[0029] In the embodiment, the alert device 5 comprises an alarm lamp, an alarm loudspeaker and a second communication module; the alert device 5 is configured by the command center and each alert personnel, when the second communication module receives the alarm signal from the alarm module of the camera device 2, the alarm lamp flashes and the alarm loudspeaker issues an alarm sound.

[0030] In the embodiment, the command center determines the on-site situation in the alert area according to the collected information transmitted from the front end, issues various instructions of alert, evacuation and clearing of the site through the loudspeaker 4, and drives away the remaining equipment or personnel in the alert area.

[0031] The working principle of the utility model is as follows:

[0032] The unmanned aerial vehicle is operated by the command center, and patrols and alerts in the alert area before the start of the blasting alert; the infrared thermal imager and the panoramic camera in the camera device 2 collect and analyze the thermal imaging information of the environment and each object in the alert area and monitor the image, and check one by one; when the alarm module identifies that the thermal imaging information is abnormal (i.e. the temperature is greater than the preset value), an alarm signal is issued to the alert device 5, the alert device 5 flashes the alarm lamp, and the alarm loudspeaker issues an alarm sound.

[0033] Those skilled in the art can understand that the above-mentioned embodiments are specific embodiments for realizing the utility model, and in actual application, various changes can be made in form and details without departing from the spirit and scope of the utility model.

Claims

1. A blast security system based on airborne infrared thermography, comprising a drone (1), characterized in that, The security device (5) is used for sending an alarm prompt; The unmanned aerial vehicle (1) is provided with a camera (2) for collecting information of a security area; The security device (5) comprises an alarm lamp, an alarm speaker and a second communication module; when the second communication module receives an alarm signal sent by the alarm module of the camera (2), the alarm lamp flashes and the alarm speaker sends an alarm sound.

2. A blast security system based on airborne infrared thermography as claimed in claim 1, wherein, The camera (2) is connected with a mounting platform of the unmanned aerial vehicle through a rotating joint.

3. A blast security system based on onboard infrared thermal imaging as claimed in claim 1, wherein, The camera (2) comprises an infrared thermal imager, a panoramic camera, a storage module and an alarm module. The infrared thermal imager is used for collecting thermal imaging information of the security area and saving the information in the storage module; the panoramic camera is used for capturing and collecting panoramic image information of the security area in real time and saving the information in the storage module; and the alarm module is used for sending an alarm signal to the security device (5) according to the thermal imaging information.

4. A blast security system based on airborne infrared thermography as claimed in claim 1, wherein, The unmanned aerial vehicle (1) is a multi-rotor hovering unmanned aerial vehicle.

5. A blast security system based on onboard infrared thermography as claimed in claim 4, characterized in that, A first communication module (3) is installed on any rotor of the unmanned aerial vehicle (1) and is used for communication between the camera (2) and the security device (5).

6. A blast security system based on onboard infrared thermography as claimed in claim 1, wherein, A speaker (4) is further installed at a top end of the unmanned aerial vehicle (1).

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