Unmanned aerial vehicle near-defense detection device

Abstract

A near-defense detection device for an unmanned aerial vehicle belongs to the technical field of air defense detection, and comprises a support frame mechanism, a laser ranging detection module, a motor reducing mechanism, a shell, a control circuit, a detection circuit and an alarm circuit, the supporting frame mechanism comprises a fixed plate, a fixed pipe and a movable pipe and is installed together with the two motor speed reducing mechanisms, and the control circuit, the detection circuit and the alarm circuit are installed in the shell and electrically connected. The device is mainly used for combat of an individual soldier or a small army, is used for attacking an enemy small armed unmanned aerial vehicle for air defense, has the advantages of relatively simple structure, low use cost, light weight and convenience in use and carrying, and can actively detect an attacking unmanned aerial vehicle in the circumferential direction and the pitching direction within a certain range during combat through the laser ranging module. And after the incoming unmanned aerial vehicle is detected, a sounder of the alarm circuit can actively prompt combat personnel to pay attention to safety, so that casualty accidents of the combat personnel can be reduced as much as possible. The device has a good application prospect.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of air defense, especially a near defense detection device for unmanned aerial vehicle. BACKGROUND

[0002] The production and maintenance cost of the unmanned aerial vehicle for military use is far lower than that of the traditional manned aircraft, so that the army can expand its air power without increasing too much financial burden. It has the following advantages: (1) during combat, it can stay in the air for a longer time to perform long-time monitoring and reconnaissance, attack tasks without worrying about the physiological limitations of pilots; (2) small size, low noise, can approach the target without being discovered, conduct covert reconnaissance or attack; (3) as no pilots are needed on the machine, high-risk tasks can be performed, reducing personnel casualties; (4) can carry various loads, including reconnaissance equipment, electronic warfare equipment and weapon systems, so that it can perform various tasks.

[0003] Based on the above advantages, the military unmanned aerial vehicle with search and attack functions has been widely used in the battlefield, which has brought unprecedented pressure on the ground combat forces. In the prior art, the approach of the unmanned aerial vehicle is generally detected by ground-to-air radar, which has the problems of high use cost and large size, which is not conducive to the use of single soldiers or small teams in combat. Therefore, it is necessary to provide a near defense detection device for unmanned aerial vehicle, which has low cost, convenient to carry and use, and is suitable for single soldiers or small teams in combat. SUMMARY

[0004] In order to overcome the disadvantages of single soldiers or small teams in combat without an effective near defense detection device for unmanned aerial vehicle in the prior art as described in the background art, the utility model provides a near defense detection device for unmanned aerial vehicle, which is mainly used for single soldiers or small teams in combat, and is used for attacking and air defense against enemy small armed unmanned aerial vehicle. It has the advantages of relatively simple structure, low use cost, light weight and convenient use. During combat, it can actively detect the approaching unmanned aerial vehicle in the circumferential direction and the pitch direction within a certain range, and actively prompt the combat personnel to pay attention to safety after detecting the approaching unmanned aerial vehicle, so as to reduce the occurrence of combat personnel casualties as much as possible.

[0005] The utility model solves the technical problems by adopting the following technical solutions:

[0006] The application discloses a kind of unmanned aerial vehicle near defense detection devices, including support frame mechanism, laser ranging detection module, motor speed reduction mechanism, shell, also have control circuit, detection circuit, alarm circuit;The support frame mechanism includes fixed plate, fixed tube, movable tube, fixed tube lower end is installed on the upper end of fixed plate, there are a plurality of screw holes around fixed plate, respectively screw into fixed bolt in each screw hole;There is a screw hole A in the side end of the fixed tube, screw bolt A is screwed into screw hole A, the lower end of shell is installed on the upper part of movable tube, and the lower part of movable tube is movably sleeved on the upper end of fixed tube;Motor speed reduction mechanism is at least two sets, the first set of motor speed reduction mechanism is installed in shell, the upper end of the rotating shaft of the first set of motor speed reduction mechanism is provided with support plate, the second set of motor speed reduction mechanism is installed on support plate, the side end of the rotating shaft of the second set of motor speed reduction mechanism is provided with connecting rod, and the lower end of the shell of laser ranging detection module is installed on connecting rod;The control circuit, detection circuit and alarm circuit are installed in the shell, the signal output end of laser ranging detection module and the signal input end of detection circuit are electrically connected, the signal output end of detection circuit and the signal input end of alarm circuit are electrically connected;The power output end of alarm circuit and the power input end of control circuit are electrically connected, and the power output end of control circuit and the power input end of two sets of motor speed reduction mechanism are electrically connected.

[0007] Further, the lower end of the fixed bolt is a sharp cone structure, and the height of the fixed bolt is greater than the height of the fixed plate.

[0008] Further, the control circuit includes time control switch electrically connected, and the power input ends of four sets of time control switches are connected respectively.

[0009] Further, the detection circuit includes adjustable resistance, resistance and triode electrically connected, one end of the adjustable resistance and one end of the first resistance and one end of the second resistance are connected, the other end of the second resistance and the emitter of the triode are connected, and the other end of the first resistance and the base of the triode are connected.

[0010] Further, the alarm circuit includes acoustic transducer and time relay module electrically connected, the positive power input end and the positive control power input end of the time relay module are connected with the relay control power input end, the positive power output end of the time relay module is connected with the positive power input end of the relay, the negative power input end of the relay is connected with the negative power input end of the time relay module and the negative power input end of the acoustic transducer, and the normally open contact end of the relay is connected with the positive power input end of the acoustic transducer.

[0011] Compared with existing technologies, the advantages of this utility model are: This utility model is mainly used for individual or small-unit operations, and for air defense against enemy small armed drones. It has the advantages of relatively simple structure, low operating cost, light weight, and convenient use and carrying. During combat, the laser ranging module can actively detect incoming drones in a circular and pitch direction within a certain range. After detecting an incoming drone, it can actively alert combat personnel to pay attention to safety through the alarm circuit's buzzer, thereby minimizing casualties. In summary, this utility model has good application prospects. Attached Figure Description

[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0013] Figure 1 This is a structural diagram of the present invention with the fixing bolt located at the upper end of the fixing plate.

[0014] Figure 2 This is a structural diagram of the present invention with the fixing bolt located at the lower end of the fixing plate.

[0015] Figure 3 , 4 A partial structural diagram of this utility model.

[0016] Figure 5 This is the circuit diagram of this utility model. Detailed Implementation

[0017] Figure 1 , 2, 3, 4, 5, a kind of unmanned aerial vehicle near defense detection device, including support frame mechanism, charging socket CZ1, battery G1, power switch S1, laser ranging detection module W5, motor speed reduction mechanism M and M1, shell 1, still have control circuit 2, detection circuit 3, alarm circuit 4;The support frame mechanism includes fixed plate 51, fixed tube 52, movable tube 53, the lower end of fixed tube 52 is welded on the middle part of the upper end of fixed plate 51, there are four screw holes 511 around fixed plate 51, a fixed bolt 512 is respectively screwed in each screw hole;The upper end of fixed tube 52 has a screw hole A521 on the right side, a screw A522 is screwed in screw hole A521, the lower end of shell 1 is welded on the upper part of movable tube 53, the lower end of movable tube 53 is movably sleeved on the upper end of fixed tube 52 (adjust the height of movable tube up or down, the height of laser ranging detection module can be adjusted);The upper end of shell 1 has an opening in the middle part, there are two sets of motor speed reduction mechanism, the first set of motor speed reduction mechanism M is vertically fixedly installed in shell 1 and its rotating shaft is led out to the upper end outside via the opening, a support plate 101 is welded on the upper end of the rotating shaft of the first set of motor speed reduction mechanism M, the second set of motor speed reduction mechanism M1 is transversely fixedly installed on support plate 101, the rotating shaft left side end of the second set of motor speed reduction mechanism is welded with a '' L '' connecting rod 102, the shell lower end of laser ranging detection module W5 is vertically fixedly installed on connecting rod 102;The charging socket CZ1, battery G1, power switch S1, control circuit 2, detection circuit 3, alarm circuit 4 are installed on the circuit board in shell 1.

[0018] Figure 1 、 2, 3, 4, 5, the first set of motor reducer mechanism M rotation shaft lower end front welded with a baffle 6, motor reducer mechanism M shell upper end rear side respectively fixedly installed with a button point dynamic power switch D1 and D2 (power switch with adhesive on a rectangular permanent magnet, magnet attracted in the shell upper end, so can adjust the motor reducer mechanism M drive motor reducer mechanism M1 and laser ranging module W5 horizontal circumferential direction of the range), two power switch D1 and D2 one end and time control switch W1, W2 3 foot respectively through the wire connection, power switch D1 the other end and time control switch W1 4 foot and motor reducer mechanism M positive and negative two electrode power input end respectively through the wire connection, power switch D2 the other end and time control switch W2 4 foot and motor reducer mechanism M negative positive two electrode power input end respectively through the wire connection. Second set of motor reducer mechanism M1 rotation shaft left end upper welded with a baffle A7, motor reducer mechanism M1 shell left front end middle two sides are respectively fixedly installed with a button point dynamic power switch AD3 and D4 (power switch AD3 and D4 with adhesive on a rectangular permanent magnet A, magnet A attracted in the shell upper end, so can adjust the motor reducer mechanism M1 drive laser ranging module W5 vertical circumferential direction of the range). Fixed bolt 512 lower end is sharp cone structure, and the height of fixed bolt 512 is greater than the height of the fixed plate. Control circuit includes time control switch W1, W2, W3, W4 through the circuit board wiring connection, four sets of time control switch W1, W2, W3, W4 power input two ends 1 and 2 foot are connected respectively. Detection circuit includes adjustable resistance RP1, resistance R1 and R2 and triode T1 through the circuit board wiring connection, adjustable resistance RP1 one end and the first resistance R1 one end, the second resistance R2 one end connection, the second resistance R2 the other end and triode T1 base connection, the first resistance R1 the other end and triode T1 emitter connection. Alarm circuit includes time relay module W6 and alarm B through the circuit board wiring connection, time relay module W6 positive electrode power input end 1 foot and positive control power input end 3 foot and relay K1 control power input end connection, time relay module W6 positive electrode power output end 5 foot and relay K1 positive electrode power input end connection, relay K1 negative electrode power input end and time relay module W6 negative electrode power input end 2 foot, alarm B negative electrode power input end connection, relay K1 normally open contact end and alarm B positive electrode power input end connection.

[0019] Figure 1 、 2, 3, 4, 5, the battery G1 two poles and charging socket CZ1 both ends are connected through the wire and through the power switch S1 in series and laser ranging detection module W5 power input terminal 1 and 2 feet, detection circuit power input terminal triode T1 emitter, alarm circuit power input terminal relay K1 control power input terminal and negative power input terminal are connected through the wire, laser ranging detection module W5 signal output terminal 3 feet and detection circuit signal input terminal adjustable resistance RP1 the other end is connected through the wire, detection circuit signal output terminal triode T1 collector and alarm circuit signal input terminal time relay module W6 4 feet are connected through the wire; the alarm circuit power output terminal relay K1 normally closed contact end and negative power input terminal and control circuit power input terminal time control switch W1 1 and 2 feet are connected through the wire respectively.

[0020] Figure 1 , 2, 3, 4, 5, the new type of use before a plurality of bolts 512 along the hole 511 down, so that the lower end of the bolt 512 height lower than the lower end of the fixed plate 51, then put the fixed plate 51 on the ground, four bolt 512 lower end of the conical part is located below the ground into a good fixed effect (hardened ground bolt on the support plate). Turn on the power switch S1, the control circuit, detection circuit, alarm circuit power work. 12V power supply through the relay K1 control power input and normally closed contact end into the time control switch W1, W2, W3, W4 power input. Time control switch W1 after power on its 3, 4 will first output 5 seconds to the motor speed reducer M positive and negative two power input, time control switch W2 after power on interval 5 seconds its 3, 4 will output 5 seconds to the motor speed reducer M negative positive two power input, interval 5 seconds later, time control switch W1 3, 4 will output 5 seconds, interval 5 seconds later, time control switch W2 3, 4 will output 5 seconds … the above process continues to circulate, the motor speed reducer M shaft will continue to drive the motor speed reducer M1 and laser ranging detection module W5 horizontal direction around 355 degrees back and forth to detect whether there is a UAV close. In actual conditions, the motor speed reducer M shaft drive baffle 6 counterclockwise or clockwise rotation to the stop point before the left or right side of the baffle 6 will be in contact with the power switch D1 or D2 button, so the power switch D1 or D2 internal contact will open circuit, so that the motor speed reducer M positive or negative power input will lose power, the motor speed reducer M will stop driving the laser ranging detection module W5 counterclockwise or clockwise rotation, to prevent the rotation angle too large caused by connecting the motor speed reducer M and laser ranging detection module W5 wire winding (not affect the motor speed reducer M drive laser ranging detection module W5 clockwise or counterclockwise reverse direction rotation). Time control switch W3 after power on its 3, 4 will first output 2 seconds to the motor speed reducer M1 positive and negative two power input, time control switch W4 after power on interval 2 seconds its 3, 4 will output 2 seconds to the motor speed reducer M1 negative positive two power input, interval 2 seconds later, time control switch W3 3, 4 will output 2 seconds, interval 2 seconds later, time control switch W4 3, 4 will output 2 seconds … the above process continues to circulate, the motor speed reducer M1 shaft will continue to drive the laser ranging detection module W5 vertical direction around 180 degrees back and forth to detect whether there is a UAV close.In actual situation, the rotation shaft of the motor reduction mechanism M1 drives the baffle A7 to rotate counterclockwise or clockwise to the stop point, the left side or the right side of the baffle A7 will contact the button of the power switch AD3 or D4, so that the internal contact of the power switch D3 or D4 will be open, so that the positive or negative power input end of the motor reduction mechanism M1 will lose power, and the motor reduction mechanism M1 will stop driving the laser ranging detection module W5 to rotate counterclockwise or clockwise, so as to prevent the wire connected with the laser ranging detection module W5 from winding and the laser ranging detection module W5 from detecting the ground lamp to cause false alarm (without affecting the motor reduction mechanism M1 driving the laser ranging detection module W5 to rotate clockwise or counterclockwise in the opposite direction).

[0021] Figure 1 、 2 When the laser ranging detection module W5 detects the relevant airspace in the vertical and horizontal directions, if there is no UAV within 500 meters, the high voltage level output by the 3-pin of the laser ranging detection module W5 is low, the voltage signal is divided by the adjustable resistor RP1 and the resistor R1, and the voltage signal is limited by the resistor R2 and enters the base of the transistor T1, which is lower than 0.7V, so the transistor T1 will not be turned on, the 4-pin of the time relay module W6 will not input a low voltage signal, so the relay K1 will continue to lose power, and the time control switches W1, W2, W3 and W4 will continue to control the motor reduction mechanism M and M1 to drive the laser ranging detection module W5 to rotate to detect whether the UAV is approaching. When there is a UAV within 500 meters, the detection head of the laser ranging detection module W5 detects the UAV, and the high voltage level output by the 3-pin of the laser ranging detection module W5 is high, the voltage signal is divided by the adjustable resistor RP1 and the resistor R1, and the voltage signal is limited by the resistor R2 and enters the base of the transistor T1, which is higher than 0.7V, so the transistor T1 will be turned on and the collector will output a low voltage to the 4-pin of the time relay module W6, after the 4-pin of the time relay module W6 inputs a low voltage signal, the 5-pin of the time relay module W6 will output a high voltage for 1 second to the positive power input end of the relay K1, the relay K1 will be energized to close the control power input end and the normally open contact end, and the buzzer B will be energized to emit a loud prompt sound to prompt the combat personnel that there is a UAV approaching, at the same time, during the time when the relay K1 is energized to close the control power input end and the normally closed contact end and open the control power input end and the normally open contact end, the time control switches W1, W2, W3 and W4 will lose power and stop working, so the motor reduction mechanism M and M1 will lose power and stop working for 1 second, after 1 second, the 5-pin of the time relay module W6 will stop outputting power, so the relay K1 will lose power and stop closing the control power input end and the normally closed contact end, and opening the control power input end and the normally open contact end, and the motor reduction mechanism M and M1 will continue to drive the laser ranging detection module W5 to detect whether there is a UAV approaching in the relevant airspace in the horizontal and vertical directions (refreshed every second).

[0022] Figure 1 、 2 , 3, 4, 5, the new type is actually used, the combat personnel adjusts the interval or height of the power switch D1, D2 or D3, D4 according to the monitoring needs, can set the horizontal and vertical direction angle of detection, that is, when the interval of the power switch D1, D2 or D3, D4 and the baffle or baffle A is relatively close, then the rotation angle of the motor speed reduction mechanism M or the motor speed reduction mechanism M1 is relatively small, the laser ranging module will stop moving (not hindered to move in the opposite direction), that is, the detection angle range is relatively small, and vice versa, the detection angle range is relatively large; The specific detection angle range is preferably affected by surrounding buildings or equipment. Figure 5 , the battery G1 is a 12V / 50Ah lithium battery; The charging socket CZ1 is a coaxial power socket (when the battery has no electricity, the external power charger plug can be inserted into the charging socket to charge it); The adjustable resistance RP1 is 470K (the greater the resistance value is adjusted, the greater the voltage division between it and the resistance R1, so that the detection distance of the laser ranging detection module W5 is relatively close, and the smaller the resistance value is adjusted, the smaller the voltage division between it and the resistance R1, and the detection distance of the laser ranging detection module W5 is relatively far); The sounder B is a MF12V active continuous sound alarm product; The resistances R1, R2 are 10K and 47K respectively; The relay K1 is DC12V; The triode T1 is 9013 (NPN); The time control switches W1, W2, W3, W4 are time module products of KG316T type, which have two power input terminals, two signal output terminals, seven setting keys, and seven setting keys can set the time of two power output terminals; The time relay module W6 is a cycle control time relay module product of Y27F-MOS type, which has two power input terminals, two power output terminals, two signal output terminals, four setting keys, and four setting keys can set the time of two power output terminals after inputting voltage signals at two signal input terminals; The laser ranging detection module W5 is a laser ranging module product of JGS-500 type, which has two power input terminals and one signal output terminal, and the signal output terminal will output a voltage signal when the detection head detects an object, the farther the output voltage signal is, the lower the voltage signal is; The motor speed reduction mechanism M, M1 is a coaxial motor gear type speed reduction mechanism product with a power of 20W; The power switches D1, D2 and the power switches AD3, D4 are button point dynamic normally closed contact micro power switches.

[0023] Figure 1 、 2, 3, 4, 5, through the above, the utility model mainly is used for single soldier or small unit combat, to the enemy small armed unmanned aircraft attack air defense use, has the advantages of relatively simple structure, low use cost, and light weight, convenient to use and carry, laser ranging module can actively detect the incoming unmanned aircraft in a certain range of circumferential direction and pitch direction during combat, and the alarm circuit can actively prompt the combat personnel to pay attention to safety after detecting the incoming unmanned aircraft, thereby minimizing the occurrence of combat personnel casualties.

[0024] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model.

[0025] In addition, it should be understood that, although the present specification is described in terms of embodiments, the embodiments do not contain only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in the embodiments can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. An unmanned aerial vehicle near defense detection device, comprising a support frame mechanism, a laser ranging detection module, a motor speed reduction mechanism, and a shell, characterized in that, The application also has a control circuit, a detection circuit and an alarm circuit; the support frame mechanism comprises a fixed plate, a fixed tube and a movable tube, the lower end of the fixed tube is installed on the upper end of the fixed plate, the fixed plate has a plurality of screw holes around, and a fixed bolt is screwed into each screw hole; the side end of the fixed tube has a screw hole A, and a bolt A is screwed into the screw hole A; the lower end of the shell is installed on the upper part of the movable tube, and the lower part of the movable tube is movably sleeved on the upper end of the fixed tube; the motor speed reduction mechanism comprises at least two sets, the first set of motor speed reduction mechanism is installed in the shell, the rotating shaft of the first set of motor speed reduction mechanism is provided with a support plate on the upper end, the second set of motor speed reduction mechanism is installed on the support plate, the rotating shaft of the second set of motor speed reduction mechanism is provided with a connecting rod on the side end, and the lower end of the shell of the laser ranging detection module is installed on the connecting rod; the control circuit, the detection circuit and the alarm circuit are installed in the shell, the signal output end of the laser ranging detection module and the signal input end of the detection circuit are electrically connected, the signal output end of the detection circuit and the signal input end of the alarm circuit are electrically connected; the power output end of the alarm circuit and the power input end of the control circuit are electrically connected, and the power output end of the control circuit and the power input end of the two sets of motor speed reduction mechanisms are electrically connected.

2. The unmanned aerial vehicle proximity detection apparatus of claim 1, wherein, The lower end of the fixed bolt is a sharp cone structure, and the height of the fixed bolt is greater than the height of the fixed plate.

3. The unmanned aerial vehicle proximity detection apparatus of claim 1, wherein, The control circuit comprises time control switches which are electrically connected, and the power input ends of the four sets of time control switches are respectively connected.

4. The unmanned aerial vehicle proximity detection apparatus of claim 1, wherein, The detection circuit comprises adjustable resistors, resistors and transistors which are electrically connected, one end of the adjustable resistor and one end of the first resistor and one end of the second resistor are connected, the other end of the second resistor is connected with the emitter of the transistor, and the other end of the first resistor is connected with the base of the transistor.

5. The unmanned aerial vehicle proximity detection apparatus of claim 1, wherein, The alarm circuit comprises a sounder and a time relay module which are electrically connected, the positive power input end and the positive control power input end of the time relay module are connected with the relay control power input end, the positive power output end of the time relay module is connected with the positive power input end of the relay, the negative power input end of the relay is connected with the negative power input end of the time relay module and the negative power input end of the sounder, and the normally open contact end of the relay is connected with the positive power input end of the sounder.

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