CN111422364A - Radar positioning and high-altitude falling object prevention protection device and method - Google Patents

Abstract

The invention discloses a radar positioning anti-falling object protection device and a method, and relates to a high-altitude falling object protection device, wherein the radar positioning anti-high-altitude falling object protection device comprises a radar positioning system control module, a mesh ejection device, a single chip control system, The grid; the control module of the radar positioning system is arranged on the upper part of the building; the grid ejection device is arranged in the grid and is arranged at the lower part of the building; inside the grid ejection device; The protection device for radar positioning and anti-falling objects of the invention has scientific and reasonable structure design, fast launch speed, accurate capture, intelligent control, safety and reliability, energy saving and environmental protection, and strong operability.

Description

A radar positioning anti-falling object protection device and method

technical field

The invention relates to a high-altitude falling object protection device, in particular to a high-altitude falling object protection device and a method controlled by a radar network transmission system.

Background technique

At present, with the development of society, there are more and more high-rise buildings in the city, and it is not uncommon for the news of accidental injury to passers-by due to the falling off of the outer wall of the building or the falling of balcony flower pots. At present, the protective devices in the market cannot prevent the occurrence of accidents in which pedestrians are injured by falling objects. There is no good solution to prevent falling objects, which will cause serious injuries to pedestrians passing by or the appearance of buildings to a large extent. .

SUMMARY OF THE INVENTION

In view of the above problems, the present invention provides a radar positioning anti-falling object protection device.

As an aspect of the present invention, a radar positioning anti-falling object protection device is provided,

Including radar positioning system control module, mesh ejection device, single chip control system, mesh;

The radar positioning system control module is arranged on the upper part of the building and is used for radar positioning of falling objects;

The mesh ejection device is arranged at the lower part of the building, and the mesh ejection device is used for ejecting the mesh;

The single-chip control system is electrically connected to the catapult device for the network, which is used to control the protection device.

As another aspect of the present invention, there is provided a radar positioning protection method for anti-falling objects,

include:

When a target falls and passes through the radar transmitting area, the device measures the distance between the target and the control module of the radar positioning system. After a period of time, the distance between the target and the control module of the radar positioning system is measured again, and the data information is fed back to the microcontroller for control. system;

The single-chip control system uses the function simulation method to calculate the speed of the target, and at the same time, the single-chip control system sends information instructions to the catapult device, and the catapult device ejects the net, which is a catapult net with a small parachute;

When the net meets the target, it wraps the target and opens the parachute to slow down the speed of the target's descent.

Further, the method also includes:

The control module of the radar positioning system measures the falling speed of the high-altitude falling object, so as to calculate the time delay for the launch of the net outline;

Under the impetus of the instantaneous air flow, the mesh ejection device pushes the tractor to drive the mesh to open at a certain angle during the forward movement;

The net mesh quickly closed after touching the target, and opened the parachute with its gravity and air resistance during the descent.

Further, the method also includes:

The single-chip control system processes the data returned by the radar positioning system control module, and calculates the speed of the lowest point of the falling object.

Further, the method also includes:

The single-chip control system calculates the initial velocity of the final ejection.

Further, the method also includes:

The single-chip control system transmits the calculated initial velocity to the mesh ejection device.

Further, the method also includes:

After receiving the speed data transmitted by the single-chip control system, the mesh ejection device ejects the mesh towards the target obliquely upward.

Further, the method also includes:

After the mesh meets the target, it gives the target an upward impulse to slow down its descent.

Advantages of the present invention:

The protection device for radar positioning and anti-falling objects of the present invention has scientific and reasonable structure design, fast launching speed, accurate capturing, intelligent control, safety and reliability, energy saving and environmental protection, and strong operability; it can prevent falling objects from high altitudes. Accidents that injure pedestrians will, to a large extent, cause serious injuries to passing pedestrians or the appearance of buildings.

In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. The present invention will be described in further detail below with reference to the drawings.

Description of drawings

The accompanying drawings constituting a part of the present application are used to provide further understanding of the present invention, and the exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention.

Fig. 1 is the principle diagram of the radar positioning anti-falling object protection device of the present invention;

Fig. 2 is the control circuit principle diagram of the radar positioning anti-falling object protection device of the present invention;

3 is a schematic diagram of a radar module of the radar positioning anti-falling object protection device of the present invention.

Reference number:

1 is the target, 2 is the radar positioning system control module, 3 is the net ejection device, and 4 is the single

Chip machine control system, 5 is the network.

Detailed ways

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

Referring to FIG. 1, as shown in FIG. 1, a radar positioning anti-falling object protection device includes a radar positioning system control module 2, a net ejection device 3, a single-chip control system 4, and a net (5);

Preferably, the control chip of the single-chip microcomputer control system 4 is STC89C52.

The radar positioning system control module 2 is arranged on the upper part of the building and is used for radar positioning of falling objects;

The mesh ejection device 3 is arranged on the lower part of the building in the mesh 5, and inside the mesh ejection device 3, it is used for ejecting the mesh;

The single-chip control system 4 is electrically connected to the mesh ejection device 3 for controlling the protection device.

A radar positioning anti-falling object protection device belongs to a single chip control system.

As another aspect of the present invention, there is provided a radar positioning protection method for anti-falling objects,

include:

When a target 1 falls and passes through the radar emission area, the device measures the distance between the target 1 and the radar positioning system control module 2, and after a period of time, measures the distance between the target 1 and the radar positioning system control module 2 again, and converts the data to The information is fed back to the microcontroller control system 4;

The single-chip control system 4 uses the function simulation method to calculate the speed of the target 1. At the same time, the single-chip control system 4 sends information instructions to the net ejection device 3. The net ejection device 3 ejects the net 5, and the net 5 is equipped with a small parachute. the catapult net;

When the mesh 5 meets the target 1, the target 1 is wrapped, and the parachute is opened at the same time, which is used to slow down the speed of the target 1 when it falls. Avoid secondary injury to passing pedestrians.

The protection device for radar positioning and anti-falling objects of the present invention has scientific and reasonable structure design, fast launch speed, accurate capture, intelligent control, safety and reliability, energy saving and environmental protection, and strong operability; it can prevent falling objects from high altitudes. Accidents that injure pedestrians will, to a large extent, cause serious injuries to passing pedestrians or the appearance of buildings.

The method also includes:

The radar positioning system control module 2 calculates the falling speed of the high-altitude falling object, thereby calculating the time delay for the launch of the net outline;

Under the impetus of the instantaneously generated airflow, the mesh ejection device 3 pushes the traction head to drive the mesh 5 to open during the forward movement at a certain angle;

The mesh 5 quickly closes after touching the target 1, and opens the parachute by virtue of its gravity and air resistance in the process of descending.

The method also includes:

The single-chip control system 4 processes the data returned by the radar positioning system control module 2, and calculates the speed of the lowest point of the falling object.

The method also includes:

The single-chip control system 4 calculates the initial velocity of the final ejection.

The method also includes:

The single-chip control system 4 transmits the calculated initial velocity to the mesh ejection device 3 .

The method also includes:

After receiving the speed data transmitted by the single-chip control system 4 , the mesh ejection device 3 ejects the mesh 5 toward the target object 1 obliquely upward.

The method also includes:

After mesh 5 meets target 1, it gives target 1 an upward impulse to slow down its descending speed.

得出

， 从而求得出 5 处的网纲的发射的时间点，该系统就会自动捕捉该物体，避免砸伤到行人，做到智能控制，安全可靠。Among them, the function simulation method is used to calculate the target object: when there is an object falling on the periphery of the building with the initial speed v=0, it is assumed that the speed when passing through point A is v0, and the speed when passing through point B is v1.

inferred

, so as to obtain the time point of the launch of the 5 meshes, the system will automatically capture the object, avoid hurting pedestrians, and achieve intelligent control, which is safe and reliable.

，目标仰角为

，方位角为

，雷达发出脉冲信号，到信号从目标反射到回波信号的时间间隔为

，则

。c 为光速，由单片机可计算处下坠物的位置。The radar positioning tube can determine the specific orientation of the falling object, o is the radar position, A is the falling object, and the distance between the target and the radar is

, the target elevation angle is

, the azimuth is

, the radar sends out a pulse signal, and the time interval from the signal reflected from the target to the echo signal is

,but

. c is the speed of light, the position of the falling object can be calculated by the microcontroller.

Referring to Fig. 2 and Fig. 3, as shown in Fig. 2 and Fig. 3, the control circuit of a protection device for radar positioning and anti-falling objects of the present invention includes a single-chip microcomputer STC89C52, a crystal oscillator of 12MHZ, a 22pF ceramic chip capacitor C1/C2, a button S , 10k resistor R1, 5 1k resistors, the power supply VCC is 5.0V and GND is the minimum system of single-chip microcomputer;

The connection method of the control circuit is that the photoelectric switch pin VCC is connected to 5.0V, the pin GND is connected to ground, and the pin OUT is connected to the single-chip microcomputer pins P1^0 and P1^1; both ends of the 12MHZ crystal oscillator Y1 are respectively connected to two 22pF ceramic capacitors C1/C2 One end, two 22pF ceramic capacitors C1/C2 and the other end are grounded together, the U1 pin RST of the microcontroller is connected to one end of the 0.1uF capacitor Crst, the other end of the 0.1uF capacitor Crst is grounded; the 0.1uF capacitor Crst is connected to the jog button Srtst; 5.0V is connected to a 10k resistor One end of R1, the other end of the 10k resistor is connected to the U1 pin RST of the microcontroller.

The radar positioning system control module 2 is connected to the P34 port of the microcontroller;

The net ejection device 3 is connected to the single-chip microcomputer system.

The model of the radar positioning system control module is HB100.

The protection device for radar positioning and anti-falling objects of the present invention is energized according to a specified voltage, and the device starts to work. When an object falls on the periphery of the building, the system will automatically capture the object to avoid injuring pedestrians, and achieve intelligent control, which is safe and reliable.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims (8)

1. A radar positioning protection device for preventing falling objects from high altitude is characterized by comprising a radar positioning system

The system comprises a system control module (2), a net rope ejection device (3), a single chip microcomputer control system (4) and a net rope (5);

the radar positioning system control module (2) is arranged at the upper part of the building and is used for positioning an overhead falling object by radar;

the net rope ejection device (3) is arranged at the lower part of the building, is arranged at the net rope (5), and is used for ejecting the net rope in the net rope ejection device (3);

and the singlechip control system (4) is electrically connected with the net rope ejection device (3) and is used for controlling the protection device.

2. A radar positioning protection method for preventing objects falling from high altitude is characterized by comprising the following steps:

when a target object (1) falls down and passes through a radar transmitting area, the device measures the distance between the target object (1) and the radar positioning system control module (2), measures the distance between the target object (1) and the radar positioning system control module (2) again after a period of time, and feeds data information back to the single chip microcomputer control system (4);

the single chip microcomputer control system (4) calculates the speed of the target object (1) by using a function simulation method, meanwhile, the single chip microcomputer control system (4) sends an information instruction to the net rope ejection device (3), the net rope ejection device (3) ejects a net rope (5), and the net rope (5) is an ejection net with a small parachute;

when the net rope (5) meets the target object (1), the net rope wraps the target object (1) and simultaneously props up the parachute for slowing down the descending speed of the target object (1).

3. The radar positioning protection method against high falling objects of claim 2,

further comprising:

the radar positioning system control module (2) measures and calculates the falling speed of the high-altitude falling object, so that the net outline is calculated and transmitted after the net outline is delayed for a certain time;

the net rope ejection device (3) pushes the traction head to drive the net rope (5) to open in the forward movement process at a certain angle under the push of the instantaneously generated air flow;

the net rope (5) is closed quickly after contacting the target object (1), and the parachute is opened by virtue of the gravity and the air resistance in the descending process.

4. Radar positioning anti-falling object protection device according to claim 2,

further comprising:

the single chip microcomputer control system (4) processes data returned by the radar positioning system control module (2) and calculates the speed of the lowest point of the high-altitude falling object.

5. Radar positioning anti-falling object protection device according to claim 2,

further comprising:

the single chip microcomputer control system (4) calculates the initial speed of the final projectile.

6. Radar positioning anti-falling object protection device according to claim 2,

further comprising:

and the singlechip control system (4) transmits the calculated initial speed to the net rope ejection device (3).

7. Radar positioning anti-falling object protection device according to claim 2,

further comprising:

after receiving (4) the speed data transmitted by the singlechip control system (4), the net line ejection device (3) ejects the net lines (5) in the direction obliquely upward from the target object (1).

8. Radar positioning anti-falling object protection device according to claim 2,

further comprising:

after the net rope (5) meets the target object (1), an upward impulse is given to the target object (1) to slow down the descending speed of the target object.

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