CN111047836A - Intelligent early warning device for falling object - Google Patents
Intelligent early warning device for falling object Download PDFInfo
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- CN111047836A CN111047836A CN201911298816.6A CN201911298816A CN111047836A CN 111047836 A CN111047836 A CN 111047836A CN 201911298816 A CN201911298816 A CN 201911298816A CN 111047836 A CN111047836 A CN 111047836A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
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Abstract
The invention discloses an intelligent early warning device for falling objects, and relates to the technical field of safety early warning. The invention comprises a trigger device, an alarm device, a detection device, a speed measurement positioning device and a central processing unit, wherein the trigger device is arranged on a road on the side surface of a building, the installation position of the trigger device is ten meters away from the building, the alarm device is arranged on the top of the side wall of the second floor of the building, the number of the trigger device and the number of the alarm device are four, the trigger device and the speed measurement positioning device are uniformly distributed around the building, the detection device and the speed measurement positioning device are arranged at the corners of the building, the detection device and the speed measurement positioning device are sequentially and alternately distributed according to the number of the floors of the building, and the central processing unit comprises a computer and a controller. Meanwhile, the detection device and the speed measurement positioning device can reduce the probability of false triggering of an alarm process and improve the accuracy of early warning.
Description
Technical Field
The invention relates to the technical field of safety early warning, in particular to an intelligent early warning device for falling objects.
Background
In order to meet the needs of urban construction, the number of high-rise buildings is gradually increased. The high-altitude object throwing phenomenon is more and more frequent along with the increase of high-rise buildings, and the casualties can be caused by the free falling of small articles in the high altitude, so that the high-altitude falling objects cause great hidden dangers to the personal safety of urban residents.
The patent (publication number: CN 104601939B) discloses a method and a system for monitoring high-altitude parabolas and eliminating the hazards thereof, the high-altitude parabolas are shot and identified by four cameras, and a mechanical arm is utilized to drive a pull net to collect dangerous falling objects, and the scheme has the following defects: 1. the protection range of the pull net is limited, and if the high-altitude falling object is thrown out at a certain horizontal initial speed, the probability exceeds the protection range of the pull net, so that the protection function is invalid; 2. the generation device reminds pedestrians by sending out warning signals, but the pedestrians do not know the specific falling position of the falling object, if the pull net is damaged and the interception is invalid, the pedestrians are not clear of the avoiding direction and still can be injured, and the pedestrians are lifted to observe and confirm to avoid easily and untimely; 3. objects which cannot fall freely, such as flying animals, paper sheets or plastic bags and the like exist in the high-rise building, and the early warning device is easily triggered by mistake only through camera identification, so that pedestrians are panic. Therefore, the technical problem to be solved by the technical personnel in the field is to improve the identification precision and assist the pedestrian in avoiding in time.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an intelligent early warning device for falling objects, which solves the problems in the background technology.
In order to achieve the purpose, the invention is realized by the following technical scheme: an intelligent early warning device for falling objects at high altitude comprises a triggering device, an alarm device, a detection device, a speed measurement positioning device and a central processing unit, wherein the triggering device is installed on a road on the side face of a building, the distance between the installation position of the triggering device and the building is ten meters, the alarm device is installed at the top of the side wall of the second floor of the building, the number of the triggering device and the number of the alarm device are four, the triggering device and the alarm device are uniformly distributed around the building, the detection device and the speed measurement positioning device are both installed at the edges and corners of the building, and the detection device and the speed measurement positioning device are;
the central control unit comprises a computer and a controller, and the computer and the controller are both arranged in the building.
Further, trigger device includes the base, the pedestal mounting is in road surface, base top fixedly connected with support column, support column top fixedly connected with support, the support both sides all rotate and are connected with the pivot, two equal fixedly connected with camera between the relative one end of pivot, the camera output passes through electric wire and computer input electric connection.
Further, alarm device includes the mounting panel, four edges of mounting panel lateral wall all run through there is first fixed screw, the mounting panel is installed in two layers of lateral wall tops of building through four first fixed screws, mounting panel lateral wall top fixedly connected with baffle, mounting panel lateral wall fixedly connected with beam light, two speakers of mounting panel lateral wall fixedly connected with, two the speaker is located the beam light both sides respectively, the controller output pass through the electric wire respectively with beam light and speaker electric connection.
Further, detection device includes first angle bar, six second fixed screws have all been run through to two lateral walls of first angle bar mutually perpendicular, first angle bar is fixed in building edges and corners through twelve second fixed screws, two lateral walls of first angle bar mutually perpendicular are fixedly connected with grating sensor respectively, grating sensor one end is passed through electric wire and controller electric connection.
Further, the speed measuring and positioning device comprises a second angle iron, six third fixing screws penetrate through two outer side walls of the second angle iron, the second angle iron is fixed at the edges and corners of the building through twelve third fixing screws, I-shaped steel is fixedly connected to the two outer side walls of the second angle iron, the top surfaces of two sides and the bottom surface of the I-shaped steel are respectively and slidably connected with thirteen sliding blocks through sliding grooves, two connecting rods are fixedly connected to the opposite side walls of the sliding blocks, two laser ranging sensors are fixedly connected to the opposite ends of the connecting rods, and one end of each laser ranging sensor is electrically connected with the controller through an electric wire.
Furthermore, the triggering device, the alarming device, the detecting device, the speed measuring and positioning device and the central processing unit are all powered by commercial power inside the building.
The invention has the following beneficial effects:
1. this intelligent early warning device for falling object utilizes the light beam lamp to throw the whereabouts place of early warning falling object in advance, can in time guide pedestrian's evacuation to dodge, and current sound production alarm compares, and light throws that early warning information is clear clearly and definitely timely, and the rotation angle of light beam lamp is great simultaneously, compares current net blocking, and the effective range of light beam early warning in advance is wider.
2. This intelligent early warning device for falling object through camera discernment triggering alarm flow, and concrete position and the motion trail of falling object are confirmed once more to rethread detection device and speed measuring positioner, avoid other objects to disturb, compare with current multiunit camera shooting, and the discernment precision is higher, can effectively avoid early warning signal spurious triggering, improves the early warning accuracy, prevents pedestrian's panic.
3. This intelligent early warning device of falling object from high altitude, detection device and speed measuring positioner are fixed knot to be constructed, compare with prior art, do not need regular inspection and maintenance after the installation is accomplished, and single sensor inefficacy is little to the result influence of discernment calculation, can use for a long time.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an installation schematic diagram of an intelligent early warning device for falling objects;
FIG. 2 is a schematic structural diagram of a trigger device;
FIG. 3 is a schematic view of the alarm device;
FIG. 4 is a schematic structural diagram of the detecting device;
FIG. 5 is a schematic structural diagram of a speed measurement positioning device;
FIG. 6 is a block circuit diagram of the system of the present invention;
fig. 7 is a parabolic schematic view of a falling object.
In the drawings, the components represented by the respective reference numerals are listed below:
in the figure: 1-trigger device, 2-alarm device, 3-detection device, 4-speed measurement positioning device, 101-base, 102-support column, 103-support, 104-rotating shaft, 105-camera, 201-mounting plate, 202-first fixing screw, 203-baffle, 204-beam lamp, 205-loudspeaker, 301-first angle iron, 302-second fixing screw, 303-grating sensor, 401-second angle iron, 402-third fixing screw, 403-I-steel, 404-slide block, 405-connecting rod and 406-laser ranging sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: an intelligent early warning device for falling objects at high altitude comprises a trigger device 1, an alarm device 2, a detection device 3, a speed measurement positioning device 4 and a central processing unit, wherein the trigger device 1 is installed on a road on the side surface of a building, the installation position of the trigger device 1 is ten meters away from the building, the alarm device 2 is installed at the top of the side wall of the second floor of the building, the number of the trigger device 1 and the number of the alarm device 2 are four, the trigger device 1 and the alarm device 2 are uniformly distributed around the building, the detection device 3 and the speed measurement positioning device 4 are both installed at the edges and corners of the building, and the detection device 3 and the; in the embodiment, the building is in a standard quadrangular prism structure, as shown in fig. 1;
the central control unit comprises a computer of QY-P080-K type and a controller of CP1H-EX40DT-D-SC type, and the computer and the controller are both arranged in a transmission room or a front desk of the building.
The trigger device 1 comprises a base 101, the base 101 is installed on a road surface, a supporting column 102 is fixedly connected to the top of the base 101, a support 103 is fixedly connected to the top end of the supporting column 102, rotating shafts 104 are rotatably connected to two sides of the support 103, an FQ2-D30 type camera 105 is fixedly connected between two opposite ends of each rotating shaft 104, and the output end of the camera 105 is electrically connected with the input end of a computer through an electric wire.
The alarm device 2 comprises a mounting plate 201, first fixing screws 202 penetrate through four corners of the side wall of the mounting plate 201, the mounting plate 201 is mounted at the top of the side wall of the second floor of the building through the four first fixing screws 202, a baffle plate 203 is fixedly connected to the top of the side wall of the mounting plate 201, a YS-B002350W model light beam lamp 204 is fixedly connected to the side wall of the mounting plate 201, two ED9365RR0420WC-M model speakers 205 are fixedly connected to the side wall of the mounting plate 201, the two speakers 205 are respectively located on two sides of the light beam lamp 204, and the output end of a controller is respectively electrically connected with the light beam lamp 204; the light beam lamp 204 is used for early warning a landing point of an overhead falling object, and the projection range of the light beam lamp 204 is wide, so that the early warning range can be expanded.
Wherein, detection device 3 includes first angle bar 301, and six second set screws 302 have all been run through to two lateral walls of first angle bar 301 mutually perpendicular, and first angle bar 301 is fixed in building edges and corners through twelve second set screws 302, and two lateral walls of first angle bar 301 mutually perpendicular are fixedly connected with SK08 model grating sensor 303 respectively, and grating sensor 303 one end is passed through electric wire and controller electric connection.
The speed measuring and positioning device 4 comprises a second angle iron 401, six third fixing screws 402 penetrate through two mutually perpendicular outer side walls of the second angle iron 401, the second angle iron 401 is fixed at the corner of a building through twelve third fixing screws 402, I-shaped steel 403 is fixedly connected to two mutually perpendicular outer side walls of the second angle iron 401, the top surfaces and the bottom surfaces of two sides of the I-shaped steel 403 are respectively connected with thirteen sliding blocks 404 in a sliding mode through sliding grooves, connecting rods 405 are respectively fixedly connected to the two opposite side walls of the two sliding blocks 404, FSD11-290-RS485 laser ranging sensors 406 are respectively and fixedly connected to opposite ends of the two connecting rods 405, and one end of each laser ranging sensor 406 is electrically connected with a controller through an electric wire; the specific position of the corresponding laser ranging sensor 406 can be adjusted through the sliding block 404, and the detection range can be adjusted by adjusting the distance between the laser ranging sensors 406, so that the laser ranging sensor is favorable for being installed on buildings with different heights.
The triggering device 1, the alarm device 2, the detection device 3, the speed measuring and positioning device 4 and the central processing unit are all powered by commercial power in the building.
As shown in fig. 7, h1, h2, h3 and h4 correspond to the positioning height of the positioning device 4, t1 is the triggering time point when the object is found after the object is thrown, t2, t3 and t4 correspond to the passing time detected by the high-altitude falling object positioning device 4, v1, v2, v3 and v4 correspond to the speed detected by the high-altitude falling object positioning device 4, taking v1 as an example, wherein the horizontal initial speed of the parabola is the acceleration of the free falling object of the parabola, and the method can know the acceleration of the free falling object of the parabola
In the figure, S is the predicted landing position of the falling object, and the displacement of the landing point of S is as follows:
，
can be divided into two horizontal components
And
，
corresponding to the moving speed of the X-axis,
corresponding to the Y-axis motion velocity, the specific coordinates of the falling point of S should be:
S（
，
）。
it should be noted that, in fig. 7, the approximate falling range of the object can be calculated by detecting the speed and the elapsed time corresponding to the object by any one of the positioning devices 4, and if the height of the object thrown out happens to be located at the tops of the four positioning devices 4, the object can be subjected to the first preliminary calculation and the subsequent three correction check calculations when passing through the four positioning devices 4, so that the falling position of the object can be accurately positioned, and the error can be prevented.
The specific application of this embodiment is: the camera 105 shoots a building, the video is transmitted to the computer, the computer compares the video frame by frame, and when a graph difference is generated between two adjacent frames, an unidentified object appears; when an unidentified object appears on one side of a building, the computer finishes identification and sends a signal to the controller to trigger an alarm flow, the controller controls the detection device 3 and the speed measurement positioning device 4 to start, when the unidentified object passes through the space between two opposite grating sensors 303, the grating sensors 303 collect the information of the distance between the unidentified object and the building and send the information to the controller, the building distance information is an X axis, the controller controls the laser ranging sensors 406 corresponding to the right lower part of the distance information to start together with the two adjacent laser ranging sensors 406, the laser ranging sensors 406 simultaneously detect the unidentified object which can move in a horizontal parabola, the motion track of the unidentified object can be conveniently calculated, the identification precision is improved, the laser ranging sensors 406 emit laser, when the unidentified object passes through one of the laser ranging sensors 406, the unidentified object reflects the laser emitted by the laser ranging sensors 406 back to the laser ranging, the laser ranging sensor 406 transmits the time information of laser reflection to the controller, and the controller calculates the Y-axis distance of the unidentified object perpendicular to the building side wall according to the laser reflection time, so as to obtain a specific horizontal position coordinate, as can be seen from fig. 1, when the unidentified object passes through two floors, the detection device 3 and the speed measuring and positioning device 4 corresponding to the two floors can calculate a specific horizontal position coordinate; if the unidentified object is in a free-falling state, the controller can obtain two or more horizontal position coordinates through calculation, simultaneously record the interval time of the acquisition of the coordinates of different horizontal positions, and calculate the falling speed, the falling track and the falling point reaching the ground of the unidentified object; the controller controls the alarm device 2 to be started, the falling point information is transmitted to the light beam lamp 204, the light beam lamp 204 projects light beams to the falling point in advance, and meanwhile the controller controls the two loudspeakers 205 to give out alarm sound to remind pedestrians passing under the building to pay attention to avoiding.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a high altitude object fall intelligence early warning device which characterized in that: the building speed measurement and positioning device comprises a trigger device (1), an alarm device (2), a detection device (3), a speed measurement and positioning device (4) and a central processing unit, wherein the trigger device (1) is installed on a road on the side face of a building, the distance between the installation position of the trigger device (1) and the building is ten meters, the alarm device (2) is installed at the top of the side wall of the second floor of the building, the number of the trigger device (1) and the number of the alarm device (2) are four, the trigger device and the alarm device are evenly distributed around the building, the detection device (3) and the speed measurement and positioning device (4) are both installed at the corners of the building, and the detection device (3) and the speed measurement and;
the central control unit comprises a computer and a controller, and the computer and the controller are both arranged in the building.
2. The intelligent early warning device for objects falling from high altitude according to claim 1, wherein the triggering device (1) comprises a base (101), the base (101) is installed on a road surface, a supporting column (102) is fixedly connected to the top of the base (101), a support (103) is fixedly connected to the top end of the supporting column (102), rotating shafts (104) are rotatably connected to two sides of the support (103), a camera (105) is fixedly connected between two opposite ends of the rotating shafts (104), and the output end of the camera (105) is electrically connected with the input end of a computer through a wire.
3. The intelligent early warning device for the high-altitude falling objects, according to claim 1, is characterized in that the warning device (2) comprises a mounting plate (201), first fixing screws (202) penetrate through four corners of a side wall of the mounting plate (201), the mounting plate (201) is mounted at the top of a two-layer side wall of a building through the four first fixing screws (202), a baffle (203) is fixedly connected to the top of the side wall of the mounting plate (201), a beam lamp (204) is fixedly connected to the side wall of the mounting plate (201), two loudspeakers (205) are fixedly connected to the side wall of the mounting plate (201), the two loudspeakers (205) are respectively located on two sides of the beam lamp (204), and an output end of the controller is respectively electrically connected with the beam lamp (204) and the loudspeakers (205) through electric wires.
4. The intelligent early warning device for the high-altitude falling objects according to claim 1, wherein the detection device (3) comprises a first angle iron (301), six second fixing screws (302) penetrate through two outer side walls, perpendicular to each other, of the first angle iron (301), the first angle iron (301) is fixed at the corner of the building through twelve second fixing screws (302), two outer side walls, perpendicular to each other, of the first angle iron (301) are fixedly connected with grating sensors (303) respectively, and one end of each grating sensor (303) is electrically connected with the controller through an electric wire.
5. The intelligent early warning device for objects falling from high altitude according to claim 1, the speed measuring and positioning device (4) comprises a second angle iron (401), six third fixing screws (402) penetrate through two outer side walls of the second angle iron (401), which are perpendicular to each other, the second angle iron (401) is fixed at the corner of the building through twelve third fixing screws (402), the two mutually perpendicular outer side walls of the second angle iron (401) are fixedly connected with I-shaped steel (403), the top surfaces and the bottom surfaces of two sides of the I-shaped steel (403) are respectively connected with thirteen sliding blocks (404) in a sliding way through sliding grooves, the opposite side walls of the two sliding blocks (404) are respectively and fixedly connected with a connecting rod (405), one opposite end of each connecting rod (405) is respectively and fixedly connected with a laser ranging sensor (406), one end of the laser ranging sensor (406) is electrically connected with the controller through an electric wire.
6. The intelligent early warning device for objects falling from high altitude according to claim 1, wherein the triggering device (1), the alarming device (2), the detecting device (3), the speed measuring and positioning device (4) and the central processing unit are all powered by commercial power inside the building.
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| CN201911298816.6A CN111047836A (en) | 2019-12-17 | 2019-12-17 | Intelligent early warning device for falling object |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111669551A (en) * | 2020-06-16 | 2020-09-15 | 深圳市金安通电子有限公司 | Building high-altitude parabolic point blind vision quantitative evidence obtaining method and system |
| CN112184774A (en) * | 2020-09-30 | 2021-01-05 | 青岛聚好联科技有限公司 | Method and device for determining high-altitude parabolic hazard degree |
| CN112288991A (en) * | 2020-09-08 | 2021-01-29 | 江苏澳联科技开发有限公司 | Intelligent alarm system for falling object |
| CN112714195A (en) * | 2021-03-26 | 2021-04-27 | 绿漫科技有限公司 | High-altitude parabolic recognition system and method based on optical processing technology |
| CN112800844A (en) * | 2020-12-31 | 2021-05-14 | 重庆电子工程职业学院 | Video monitoring intelligent control system |
| CN112987006A (en) * | 2021-05-13 | 2021-06-18 | 游密科技(深圳)有限公司 | High-altitude parabolic monitoring method and device based on laser radar and computer equipment |
| CN113096351A (en) * | 2021-03-30 | 2021-07-09 | 重庆电子工程职业学院 | Household safety intelligent management system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111669551A (en) * | 2020-06-16 | 2020-09-15 | 深圳市金安通电子有限公司 | Building high-altitude parabolic point blind vision quantitative evidence obtaining method and system |
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| CN112987006A (en) * | 2021-05-13 | 2021-06-18 | 游密科技(深圳)有限公司 | High-altitude parabolic monitoring method and device based on laser radar and computer equipment |
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Application publication date: 20200421 |