CN115883982A - High-altitude parabolic monitoring system for full-view inspection - Google Patents

Abstract

A high-altitude parabolic monitoring system for full-view inspection provided by the present invention includes: an image capture structure capable of full-view image capture, a switch that can convert and transmit the image capture mechanism, and a high-altitude parabolic monitoring system that can detect and identify high-throw objects. Throwing intelligent detector and the monitoring center that can store data, the high throwing intelligent detector is connected to the control computer through the data line, and the control computer publishes the information on the mobile device through the network, by setting the camera, and through Fix the camera in the fixed cylinder, connect the fixed cylinder and the fixed plate through rotation, and control the fixed cylinder through the upper motor, and then drive the camera to adjust the circumferential direction, and rotate and connect with the lower fixed plate through the fixed plate. The motor adjusts the camera up and down; and the present invention is provided with a plurality of cameras and two cameras, which can realize full-view monitoring.

Description

A high-altitude parabolic monitoring system with full viewing angle inspection

technical field

The invention relates to the field of intelligent monitoring, in particular to a high-altitude parabolic monitoring system for full-view inspection.

Background technique

Parabolic throwing at high altitude is an uncivilized behavior, and it will bring huge social harm to the society at the same time. Difficult to discover, difficult to obtain evidence, difficult to pursue responsibility, and low cost for perpetrators to break the law. Various reasons make high-altitude parabolic objects one of the difficulties in community management, also known as "the pain hanging over the city".

The existing method for solving high-altitude parabolic detection is mainly to use motion detection technology on the camera. When an object moves on the video, a high-altitude parabolic warning event will be triggered. This method has great disadvantages: the clothes hanging on the balcony of the building flutter, the light changes in the environment, and the noise of the camera itself are all easily misreported as high-altitude parabolic events by motion detection, resulting in a large number of false alarms and greatly disturbing The normal work of the management personnel, and the monitoring equipment is generally installed on the first floor. For high-rise buildings, it is difficult for the monitoring equipment to obtain a clear picture of the higher floors, that is to say, the obtained running track is not complete, which requires the operation track Fitting, the throwing point obtained through fitting is not accurate, and the position of the parabolic point can only be approximated, which is not convenient for direct tracing, and the existing camera is placed on an outdoor mounting frame, which is not convenient for floor inspection. Surveillance from all angles, resulting in high-altitude parabolic occurrence, is not conducive to subsequent traceability.

Therefore, it is necessary to provide a high-altitude parabolic monitoring system for full-view inspection to solve the above technical problems.

Contents of the invention

In order to solve the above technical problems, the present invention provides a high-altitude parabolic monitoring system for full-view inspection.

The high-altitude parabolic monitoring system suitable for a full-view inspection provided by the present invention includes: an image capture structure capable of full-view image capture, a switch that can convert and transmit the image capture mechanism, and detect and identify high-altitude objects High-performance intelligent detectors and a monitoring center that can store data;

The image-taking mechanism includes a plurality of camera heads, and the cameras are connected to a special mounting frame through a connecting mechanism, and the bottom of the mounting frame is fixed underground, and the connecting mechanism includes a plurality of fixed cylinders, and the top of the fixed cylinder is provided with sliding groove, the two ends of the sliding groove are respectively slidably connected to the left fixed rod and the right fixed rod, the bottoms of the left fixed rod and the right fixed rod are respectively fixedly connected to the left moving plate and the right moving plate, and the left moving plate and the right The moving plates are respectively slidably connected to the inner wall of the fixed cylinder, and the end faces of the fixed cylinders are respectively connected to the fixed grooves through the upper rotating shaft. The fixed grooves are arranged on the end faces of the fixed plates. Motor, the upper motor is arranged inside the upper motor box connected to the bottom of the fixed plate, the two ends of the fixed plate are connected to the placement groove through the lower rotating shaft, the placement groove is arranged on the lower fixed plate, and the lower fixed plate fixed on the placement plate, the placement plate is fixed on the top of the placement frame, the lower rotating shaft is connected to the lower motor through the transmission shaft, and the lower motor is placed in the motor box fixed on the outer wall of the lower fixing plate;

The high throw intelligent detector is equipped with a video conversion module that can process the video into graphics, an object recognition module that can identify moving objects in the graphics, and can process the graphics data to obtain the trajectory and floor of the moving object The graphic processing module of the 3D model can calculate the throwing point calculation module of the parabolic point by superimposing the 3D trajectory of the moving object and the floor in the 3D model, and the throwing point comparison module for comparing with the camera file;

The high throw intelligent detector is connected to a control computer through a data line, and the control computer publishes information on a mobile device through a network.

Preferably, the shape of the left moving plate is consistent with that of the right moving plate, the shape of the left moving plate is L-shaped, the bottom of the left moving plate is slidably connected to one end of the lower sliding groove through a connecting block, and the right moving plate The bottom of the bottom is connected to the other end of the lower sliding groove through the right connecting block, and the lower sliding groove is arranged on the bottom of the inner wall of the fixed cylinder.

Preferably, the end surfaces of the left fixed rod and the right fixed rod are respectively fixedly connected to the left moving plate and the right moving plate, and the tops of the left moving plate and the right moving plate are respectively provided with a left connecting screw hole and a right connecting screw hole, so The bottoms of the left moving plate and the right moving plate are in contact with the top of the fixed cylinder, and the left and right moving plates are respectively fixed on the top of the fixed cylinder through the left connecting screw hole and the right connecting screw hole by bolts.

Preferably, the height of the top of the installation frame is 3.5m from the ground, and the distance between the installation frame and the building is 20-30m. The camera is a night vision camera with a resolution of 4MP-8MP and a focal length of 4mm-8mm.

Preferably, the imaging mechanism includes a plurality of cameras 2, and the cameras 2 are fixed on the outer wall of the wall, and the video coverage angles of all the cameras 2 can cover the surrounding ground of the floor.

Preferably, the video conversion module includes a video framing unit that can convert a video into a framed picture, a video identification unit that can compare pictures before and after the time and whether they are consistent and can delete/store it, and can convert the picture Store saved picture storage unit.

Preferably, the object recognition module includes an object confirmation unit that can compare the graphic data of adjacent times, confirm the moving object that appears, and determine whether the confirmed moving object has been accelerating downward, so as to confirm whether the moving object is a high-altitude Parabolic object determination unit.

Preferably, the graphics processing module includes a trajectory synthesis unit that can merge continuous time high-altitude parabolic pictures into a single high-altitude parabolic picture with multiple time periods, and can combine the high-altitude parabolic pictures with multiple time periods Trajectory generation unit for trajectory drawing.

Preferably, the throwing point comparison module includes a throwing point merging unit that can merge the trajectory of the high-altitude parabola into the first picture with the high-altitude parabola and can compare the starting point of the trajectory and the starting point of the high-altitude parabola, and then determine the high-altitude parabola. The throw point comparison unit of the starting point of the parabola.

Compared with the related technology, the high-altitude parabolic monitoring system provided by the present invention has the following beneficial effects:

1. The present invention sets the camera, and by fixing the camera in the fixed tube, through the rotational connection between the fixed tube and the fixed plate, and controls the fixed tube through the upper motor, and then drives the camera to adjust the circumferential direction, and through the fixed plate and the fixed plate. The lower fixed plate is rotated and connected up and down, and the camera is adjusted in the up and down direction by controlling the lower motor; and the present invention is provided with multiple cameras and two cameras, which can realize full-view monitoring;

2. The present invention can process the video to obtain the trajectory of the high-altitude parabola by setting the high-throwing intelligent detector, and obtain the throwing point of the coincident parabolic point through calculation, and calculate and compare it through the high-throwing intelligent detector, and finally Obtaining the parabolic point makes it easy to trace the high-altitude parabolic, and by controlling the computer, the warning information can be released to the mobile device in time, which has the effect of real-time reminder.

Description of drawings

Fig. 1 is the structure diagram of a kind of preferred embodiment of the high-altitude parabolic monitoring system of a kind of full viewing angle inspection provided by the present invention;

Fig. 2 is a structural schematic diagram of the imaging mechanism shown in Fig. 1;

Fig. 3 is a schematic diagram of the structure of the connecting mechanism shown in Fig. 2;

Fig. 4 is a sectional view of the fixed plate;

Fig. 5 is a schematic diagram of the distance between the placement frame and the focal length of the camera in the imaging mechanism;

Fig. 6 is a working flow diagram of the high-throwing intelligent detector;

Labels in the figure: 1. Placement frame; 2. Fixing cylinder; 3. Fixing plate; 4. Lower fixing plate; 5. Settling slot; 6. Upper motor box; 7. Motor box; 8. Settling plate; 10, left fixed rod; 11, right fixed rod; 12, lower rotating shaft; 13, lower motor; 14, upper motor; 15, camera; 16, left moving plate; 17, right moving plate; 18, lower sliding groove; 19. Connection block; 20. Right connection block.

Detailed ways

In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

The specific implementation of the present invention will be described in detail below in conjunction with specific embodiments.

Please refer to Figures 1 to 6, a high-altitude parabolic monitoring system for full-view inspection provided by an embodiment of the present invention includes: an image capture structure that can perform full-view image capture, a switch that can convert and transmit the image capture mechanism, and A high-throwing intelligent detector for detecting and identifying high-throwing objects and a monitoring center that can store data. The high-throwing intelligent detector is connected to a control computer through a data line, and the control computer publishes information on the on the mobile device.

In an embodiment of the present invention, please refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the image taking mechanism includes a plurality of camera heads 15, and the camera heads 15 are connected to a dedicated mounting frame 1 through a connecting mechanism, the The bottom of the placement frame 1 is fixed underground, and the connecting mechanism includes a plurality of fixed cylinders 2. The top of the fixed cylinders 2 is provided with a sliding groove 9, and the two ends of the sliding groove 9 are respectively slidably connected to the left fixed rod 10 and the right fixed rod. Rod 11, the bottoms of the left fixed rod 10 and the right fixed rod 11 are respectively fixedly connected to the left moving plate 16 and the right moving plate 17, and the left moving plate 16 and the right moving plate 17 are respectively slidably connected to the inner wall of the fixed cylinder 2, so The end surfaces of the fixed cylinder 2 are respectively connected to the fixed grooves through the rotation of the upper rotating shaft. The fixed grooves are arranged on the end surfaces of the fixed plate 3. The bottom of the upper rotating shaft is connected to the upper motor 14 through a coupling, and the upper motor 14 is set Inside the upper motor box 6 connected to the bottom of the fixed plate 3, the two ends of the fixed plate 3 are rotated through the lower rotating shaft 12 and connected to the placement groove 5, and the placement groove 5 is arranged on the lower fixed plate 4, and the lower fixed plate 4 is fixed on the placement plate 8, the placement plate 8 is fixed on the top of the placement frame 1, the lower rotating shaft 12 is connected to the lower motor 13 through the transmission shaft, and the lower motor 13 is placed on the motor fixed on the outer wall of the lower fixing plate 4 In the box 7; the end faces of the left fixed rod 10 and the right fixed rod 11 are respectively fixedly connected to the left moving plate and the right moving plate, and the tops of the left moving plate and the right moving plate are respectively provided with a left connecting screw hole and a right connecting screw. hole, the bottom of the left moving plate and the right moving plate are in contact with the top of the fixed cylinder, and the left moving plate 16 and the right moving plate 17 are respectively fixed on the fixed cylinder through the left connecting screw hole and the right connecting screw hole by bolts 2, the height of the top of the placement frame 1 is 3.5m from the ground, and the distance between the placement frame 1 and the building is 20-30m. The camera 15 is a night vision camera with a resolution of 4MP-8MP and a focal length of 4mm -8mm.

It should be noted that: when in use, the camera 15 is placed in the fixed cylinder 2, and the camera 15 is clamped between the left moving plate 16 and the right moving plate 17 by moving the left fixing rod 10 and the right fixing rod 11 , and pass the bolt through the left connecting screw hole and the right connecting screw hole, the left moving plate 16 and the right moving plate 17 are fixed on the top of the fixed cylinder 2, and then the left fixing rod and the right fixing rod 11 are fixed, when adjustment is required , the upper motor is controlled by the computer to adjust the camera 15 in the circumferential direction, and the lower motor is controlled by the computer to adjust the camera 15 in the up and down direction. The specific parameters of the adjustment can be adjusted according to the parameters shown in Figure 3.

In the embodiment of the present invention, referring to Fig. 4, the shape of the left moving plate 16 is consistent with that of the right moving plate 17, the shape of the left moving plate 16 is L-shaped, and the bottom of the left moving plate 16 is connected by Block 19 is slidably connected to one end of the lower sliding groove 18, and the bottom of the right moving plate 17 is connected to the other end of the lower sliding groove 18 through the right connecting block 20, and the lower sliding groove 18 is arranged on the bottom of the inner wall of the fixed cylinder 2;

It should be noted that: by making the left moving plate 16 and the right moving plate 17 L-shaped, and the bottom of the left moving plate 16 and the right moving plate 17 are provided with a connecting block 19 and a right connecting block 20, when moving, connect The block 19 and the right connecting block 20 are slidably connected at the bottom, which ensures the stability of the connection.

In an embodiment of the present invention, the image capturing mechanism includes a plurality of cameras two, and the two cameras are fixed on the outer wall of the wall, and the video coverage angles of all the two cameras can cover the ground around the floor.

It should be noted that by setting up multiple cameras 2, objects that fall to the ground through the cameras 2 can be used for high-definition recognition, which is convenient for providing data support when performing high-parameter object recognition.

In the embodiment of the present invention, please refer to Fig. 1 and Fig. 6, there is a video conversion module that can process the video into graphics inside the described high-throwing intelligent detector, and can recognize the moving objects in the graphics. Module, which can process the graphics data to obtain the trajectory of the moving object and the graphics processing module of the 3D model of the floor. The throwing point comparison module for comparison;

It should be noted that the video stream data of the high-altitude parabolic monitoring area is obtained through the imaging mechanism, and it is decoded into graphic data through the video conversion module, and the object recognition is performed on the graphic data through the object recognition module, and the high-altitude parabolic is confirmed. The processing module calculates the motion trajectory, and brings the three-dimensional model of the floor into the three-dimensional motion trajectory, and calculates the starting point of the high-altitude parabola in the three-dimensional motion trajectory through the throwing point calculation module, and then uses the throwing point comparison module to compare the starting point of the trajectory and Compare the starting point of the first picture of the high-altitude parabola, and then determine the starting point of the high-altitude parabola;

In an embodiment of the present invention, referring to Fig. 1 and Fig. 6, the video conversion module includes a video framing unit that can convert a video into a framed picture, can compare whether the pictures before and after the time are consistent and can compare them A video identification unit for deletion/storage and a picture storage unit for storing pictures.

It should be noted that the video is divided into single-frame pictures by the video framing unit, and compared before and after to see if the gap between each picture exceeds the set value. When the gap is lower than the set value, the previous picture can be deleted. When the set value is exceeded, the previous picture is saved, and the picture before and after the picture is known to be lower than the set value again, and the saved picture is stored in the storage unit.

In an embodiment of the present invention, referring to Fig. 1 and Fig. 6, the object recognition module includes an object confirmation unit that can compare the graphic data of adjacent times, confirm the moving object that appears and determine whether the confirmed moving object has been Do downward acceleration movement, and then confirm whether the moving object is an object judging unit of a high-altitude parabola.

It should be noted that the object recognition module determines that some images in the picture beyond the set value are moving object areas, and circles them, and judges whether the moving object area has been moving downward and has been accelerating through the object , when these two conditions are met at the same time, it is a high-altitude parabola;

In an embodiment of the present invention, referring to Fig. 1 and Fig. 6, the graphics processing module includes a trajectory synthesis unit that can merge continuous high-altitude parabolic pictures into a single high-altitude parabolic picture with multiple time periods, And a trajectory generation unit that can draw trajectory in the high-altitude parabola picture with multiple time periods, and the throw point comparison module includes a combination of throw points that can merge the trajectory of the high-altitude parabola into the first picture with the high-altitude parabola The unit and the throwing point comparison unit that can compare the starting point of the trajectory and the starting point of the high-altitude parabola, and then determine the starting point of the high-altitude parabola;

It should be noted that the high-altitude parabola in the adjacent time period is placed into the picture of the same background through the trajectory synthesis unit, and the three-dimensional trajectory of the high-altitude parabola with the floor background is drawn in the picture through the trajectory generation unit; and by using the least squares The point on the high-altitude parabolic three-dimensional trajectory is fitted by multiplication to obtain a fitting function, and a complete trajectory path is obtained according to the fitting function; the intersection point between the complete trajectory path and the building in the three-dimensional model of the building is the starting point of the trajectory; and by The throw point merging unit merges the trajectory of the high-altitude parabola into the first picture with the high-altitude parabola to obtain a comparison picture. It is best to compare the comparison pictures through the throw point comparison unit, compare the starting point of the trajectory and the starting point of the high-altitude parabola, See if the error exceeds the error value, if not, then determine the parabolic point, if it exceeds the error value, get the approximate area.

The working principle of the high-altitude parabolic monitoring system suitable for a full-view inspection provided by the present invention is as follows: when in use, the camera 15 is placed in the fixed cylinder 2, and the left fixed rod 10 and the right fixed rod 11 are moved to The camera 15 is clamped between the left moving plate 16 and the right moving plate 17, and the left moving plate 16 and the right moving plate 17 are fixed on the top of the fixed cylinder 2 through bolts passing through the left connecting screw hole and the right connecting screw hole , and then fix the left fixed rod 10 and the right fixed rod 11. When adjustment is required, the upper motor 14 is controlled by the computer to adjust the camera 15 in the circumferential direction, and the lower motor 13 is controlled by the computer to adjust the camera 15 in the up and down direction. The adjustment, the specific parameters of the adjustment can be adjusted according to the parameters shown in Figure 3, which can realize the full-view monitoring of the floor. The conversion module decodes it into graphic data, and performs object recognition on the graphic data through the object recognition module, confirms the high-altitude parabola, and calculates the motion trajectory through the graphics processing module, and brings the 3D model of the floor into the 3D motion trajectory, and through the throw The point calculation module calculates the starting point of the high-altitude parabola in the three-dimensional motion trajectory, and then compares the starting point of the trajectory with the starting point of the first picture of the high-altitude parabola through the throw point comparison module, and then determines the starting point of the high-altitude parabola, which is convenient for the high-altitude parabola It can be traced back, and by controlling the computer, the warning information can be released to the mobile device in time, which has the effect of real-time reminder.

The above is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process conversion made by using the description of the present invention and the contents of the accompanying drawings, or directly or indirectly used in other related technologies fields, all of which are equally included in the scope of patent protection of the present invention.

Claims (9)

1. A high-altitude parabolic monitoring system for full-view inspection, characterized in that it includes: an image capture structure capable of full-view image capture, a switch that can convert and transmit the image capture mechanism, and detect high-throw objects Intelligent high-flying detectors for identification and a monitoring center that can store data; The image-taking mechanism includes a plurality of camera heads (15), and the camera heads (15) are connected to a special mounting frame (1) through a connecting mechanism, and the bottom of the mounting frame (1) is fixed underground, and the connecting mechanism includes multiple A fixed cylinder (2), the top of the fixed cylinder (2) is provided with a sliding groove (9), and the two ends of the sliding groove (9) are respectively slidably connected to the left fixed rod (10) and the right fixed rod (11) , the bottoms of the left fixed rod (10) and the right fixed rod (11) are respectively fixedly connected to the left moving plate (16 and the right moving plate (17), and the left moving plate (16) and the right moving plate (17) slide respectively Connect the inner wall of the fixed cylinder (2), the end surface of the fixed cylinder (2) is respectively connected to the fixed groove through the upper rotating shaft, the fixed groove is arranged on the end surface of the fixed plate (3), and the bottom of the upper rotating shaft has a The shaft device is connected to the upper motor (14), and the upper motor (14) is arranged on the inside of the upper motor box (6) connected to the bottom of the fixed plate (3), and the two ends of the fixed plate (3) pass through the lower rotating shaft ( 12) In the rotating connection placement groove (5), the placement groove (5) is arranged on the lower fixing plate (4), and the lower fixing plate (4) is fixed on the placement plate (8), and the placement plate (8) ) is fixed on the top of the placement frame (1), and the lower rotating shaft (12) is connected to the lower motor (13) through the transmission shaft, and the lower motor (13) is placed on the motor box ( 7) in; The high throw intelligent detector is equipped with a video conversion module that can process the video into graphics, an object recognition module that can identify moving objects in the graphics, and can process the graphics data to obtain the trajectory and floor of the moving object The graphic processing module of the 3D model can calculate the throwing point calculation module of the parabolic point by superimposing the 3D trajectory of the moving object and the floor in the 3D model, and the throwing point comparison module for comparing with the camera file; The high throw intelligent detector is connected to a control computer through a data line, and the control computer publishes information on a mobile device through a network. 2. The high-altitude parabolic monitoring system suitable for a full-view inspection according to claim 1, wherein the left moving plate (16) is in the same shape as the right moving plate (17), and the left moving plate The shape of the plate (16) is L-shaped, the bottom of the left moving plate (16) is slidably connected to one end of the lower sliding groove (18) through the connecting block (19), and the bottom of the right moving plate (17) is connected through the right The block (20) is connected to the other end of the lower sliding groove (18), which is arranged at the bottom of the inner wall of the fixing cylinder (2). 3. the high-altitude parabolic monitoring system applicable to a kind of full viewing angle inspection according to claim 2, characterized in that, the end faces of the left fixed rod (10 and the right fixed rod (11) are respectively fixedly connected with the left moving plate ( 16) and the right moving plate (17), the tops of the left moving plate (16) and the right moving plate (17) are respectively provided with a left connection screw hole and a right connecting screw hole, and the left moving plate (16) and the right The bottom of the moving plate (17) is in contact with the top of the fixed tube, and the left moving plate (16) and the right moving plate (17) are respectively fixed on the fixing tube (2) through the left connecting screw hole and the right connecting screw hole by bolts )the top of. 4. The high-altitude parabolic monitoring system suitable for a full-view inspection according to claim 1, wherein the height of the top of the installation frame (1) is 3.5m from the vertical surface, and the distance between the installation frame (1) Building distance is 20-30m, and described camera (15) selects night vision camera for use, and its resolution is 4MP-8MP, and focal length selects 4mm-8mm for use. 5. The high-altitude parabolic monitoring system suitable for a full-view inspection according to claim 1, wherein the imaging mechanism includes a plurality of cameras two, and the two cameras are fixed on the outer wall of the wall, and all The video coverage angle of camera 2 can cover the ground around the floor. 6. The high-altitude parabolic monitoring system suitable for a full-view inspection according to claim 1, wherein the video conversion module includes a video framing unit that can convert the video into a framed picture, and can convert the front and rear The time pictures are compared whether they are consistent, the video recognition unit that can delete/store them, and the picture storage unit that can store and save the pictures. 7. The high-altitude parabolic monitoring system suitable for a full-view inspection according to claim 1, wherein the object recognition module includes a device that can compare graphic data at adjacent times to confirm the presence of moving objects An object confirmation unit and an object determination unit for determining whether the confirmed moving object has been accelerating downwards, and then confirming whether the moving object is a high-altitude parabola. 8. The high-altitude parabolic monitoring system suitable for a full-view inspection according to claim 1, wherein the graphics processing module includes a combination of continuous time high-altitude parabolic pictures into a single sheet with multiple A trajectory synthesis unit for high-altitude parabolic pictures of time periods, and a trajectory generation unit capable of drawing trajectories for high-altitude parabolic pictures with multiple time periods. 9. The high-altitude parabolic monitoring system suitable for a full-view inspection according to claim 1, wherein the throwing point comparison module includes the ability to merge the trajectory of the high-altitude parabola into the first picture with the high-altitude parabola The throwing point merging unit and the throwing point comparison unit can compare the starting point of the trajectory and the starting point of the high-altitude parabola, and then determine the starting point of the high-altitude parabola.

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