Monitoring device for autonomous patrol of unmanned aerial vehicle

Abstract

The utility model provides a monitoring device for autonomous routing inspection of an unmanned aerial vehicle, and effectively solves the problems that an existing unmanned aerial vehicle routing inspection device cannot avoid the influence of illumination intensity on a picture taken by a camera, the processing difficulty of the picture is increased, the accuracy of an obtained routing inspection result is reduced, and the inspection efficiency is reduced. And an expected inspection tour effect cannot be obtained. The monitoring device comprises an illumination monitoring module, the illumination monitoring module detects the illumination intensity in the environment where the camera of the unmanned aerial vehicle is located to obtain an illumination intensity signal, obtains an early warning signal and a supplementary illumination signal through the illumination intensity signal, and outputs the early warning signal to a monitoring center. Starting a light supplement device to supplement light for a camera of the unmanned aerial vehicle based on the light supplement signal; the illumination monitoring module comprises an environment detection unit and an illumination adjustment unit, and the illumination adjustment unit comprises a light supplement device; the environment detection unit is connected with the illumination adjustment unit and the monitoring center.

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned plane monitoring technical field, especially a kind of monitoring device for unmanned plane autonomous patrol path. BACKGROUND

[0002] Unmanned plane shows high efficiency coverage and accurate positioning, multidimensional data acquisition, real-time response and intelligent analysis, complex environment adaptability when patrolling, so it shows remarkable effect in multiple fields, and also more and more applied fields, such as energy and infrastructure field, public safety and emergency response field, agriculture and forestry field. Generally, the device or field needing inspection is photographed based on the camera and other equipment carried on unmanned plane, and the final inspection result can be obtained by processing the photographed photo, such as the unmanned plane inspection device provided by the Chinese invention patent with patent publication No. CN115571341A.

[0003] But the photo obtained based on camera is easily affected by environment, such as too strong or too weak light, which can cause image overexposure or underexposure, thereby affecting the clarity and details of the photographed photo. Specifically, on cloudy day or in the evening, insufficient light will make the whole image dark, difficult to identify, increase the difficulty of processing the photo, thereby leading to the decline of the accuracy of the obtained inspection result, and unable to obtain the expected inspection effect.

[0004] That is, the existing unmanned plane inspection device cannot avoid the influence of light intensity on the photo taken by camera, increases the difficulty of processing the photo, leads to the decline of the accuracy of the obtained inspection result, and unable to obtain the expected inspection effect.

[0005] Therefore, the utility model provides a new scheme to solve this problem. SUMMARY

[0006] In view of the problems existing in the prior art, the utility model aims to provide a kind of monitoring device for unmanned plane autonomous patrol path, effectively solve the problem that the existing unmanned plane inspection device cannot avoid the influence of light intensity on the photo taken by camera, increases the difficulty of processing the photo, leads to the decline of the accuracy of the obtained inspection result, and unable to obtain the expected inspection effect.

[0007] The technical solution solved is that a kind of monitoring device for unmanned plane autonomous patrol path, the monitoring device is in wireless communication with monitoring center, the monitoring device includes illumination monitoring module, the illumination monitoring module detects the illumination intensity in the environment of the camera of the unmanned plane to obtain illumination intensity signal, and obtains early warning signal and supplementary illumination signal from illumination intensity signal, and outputs early warning signal to monitoring center, and based on the supplementary illumination signal, starts light supplement device to light supplement for the camera of the unmanned plane;

[0008] The illumination monitoring module includes an environmental detection unit and an illumination adjustment unit, and the illumination adjustment unit includes a supplementary light source.

[0009] The environmental monitoring unit is connected to the illumination adjustment unit and the monitoring center, respectively.

[0010] Furthermore, the environmental detection unit obtains a first comparison signal and a second comparison signal based on the light intensity signal, performs calculations based on the first comparison signal and the second comparison signal to obtain a start signal, and starts the light adjustment unit based on the start signal.

[0011] Furthermore, the environmental detection unit divides the light intensity signal into two paths and compares the two light intensity signals to obtain a first comparison signal and a second comparison signal.

[0012] Furthermore, the environmental detection unit obtains the start signal based on the XOR operation between the first comparison signal and the second comparison signal.

[0013] Furthermore, the environmental detection unit also activates an oscillator based on the activation signal, and the oscillator generates the warning signal.

[0014] Furthermore, the illumination adjustment unit obtains an adjustment signal based on the illumination intensity signal and activates the fill light device based on the fill light signal.

[0015] Furthermore, the illumination adjustment unit performs a division operation based on the illumination intensity signal to obtain an adjustment signal.

[0016] This utility model achieves the following beneficial effects:

[0017] This application provides a light monitoring module for cameras on drones. The module detects the light intensity in the environment where the drone's camera is located, obtains a light intensity signal, and then uses this signal to generate an early warning signal and a supplementary lighting signal. The early warning signal is sent to the monitoring center, and the supplementary lighting signal triggers a supplementary light source to illuminate the drone's camera. This solves the problem that existing drone inspection devices cannot avoid the influence of light intensity on the photos taken by the camera, increasing the difficulty of image processing and leading to decreased accuracy and failure to achieve the expected inspection results. Therefore, when the camera is in an unsuitable lighting environment, the monitoring center is alerted, and supplementary lighting is provided accordingly, ensuring the camera's image quality even when underexposed during drone inspections. Attached Figure Description

[0018] Fig. 1 This is a schematic diagram of the framework of this utility model.

[0019] Fig. 2The circuit principle diagram of the illumination monitoring module. DETAILED DESCRIPTION

[0020] For the foregoing and other technical contents, features and effects of the present application, reference will be made to the following description in conjunction with the accompanying drawings. Figs. 1-2 The detailed description of the embodiments will be clearly presented. The structural contents mentioned in the following embodiments are all referred to the accompanying drawings.

[0021] The exemplary embodiments of the present application will be described below with reference to the accompanying drawings.

[0022] A monitoring device for autonomous path patrolling of a UAV, the monitoring device is in wireless communication with a monitoring center, the monitoring device comprises an illumination monitoring module, the illumination monitoring module detects the illumination intensity in the environment where the camera of the UAV is located to obtain an illumination intensity signal, and obtains a warning signal and a supplementary illumination signal from the illumination intensity signal, and outputs the warning signal to the monitoring center, and starts a light supplement device to supplement light for the camera of the UAV based on the supplementary illumination signal;

[0023] The illumination monitoring module comprises an environment detection unit and an illumination adjustment unit, the illumination adjustment unit comprises a light supplement device.

[0024] The environment detection unit is connected with the illumination adjustment unit and the monitoring center respectively.

[0025] The environment detection unit detects the light intensity signal of the light intensity in the environment where the camera of the unmanned aerial vehicle is located by using the light detection device composed of the photoresistor R4 and the resistor R2, and divides the light intensity signal into two paths through the resistor R5, and the two paths are respectively output to the window comparator composed of the operational amplifier U1A and the operational amplifier U2A, and the light intensity signal is compared with the upper limit signal of light on the operational amplifier U1A and compared with the lower limit signal of light on the operational amplifier U2A, and then the operational amplifier U1A and the operational amplifier U2A respectively output the first comparison signal and the second comparison signal, the first comparison signal and the second comparison signal are respectively input to the exclusive-OR gate U4A through the diode D2 and the diode D3, and the exclusive-OR gate U4A performs exclusive-OR operation on the first comparison signal and the second comparison signal, if the diode D5 is turned on by the exclusive-OR gate U4A, it indicates that there must be one of the first comparison signal and the second comparison signal as high level and the other as low level, that is, due to the too strong or too weak light intensity at this time, the camera of the unmanned aerial vehicle is in the state of overexposure or underexposure, then the diode D5 outputs the starting signal at this time, and the starting signal turns on the relay K1, then the relay K1 changes the switch S1 from the open state to the closed state, then the oscillator composed of the triode Q3, the capacitor C3 and the inductor L1 starts to operate, the oscillator starts to operate to generate the reminding signal and output the reminding signal to the monitoring center, reminding that the image obtained at this time has quality problems and needs to be processed accordingly.

[0026] The environment detection unit includes a photoresistor R4, one end of the photoresistor R4 is connected to one end of a resistor R2 and one end of a resistor R5, the other end of the resistor R2 is connected to one end of a resistor R7 and one end of a switch S1 and connected to a positive power supply VCC, the other end of the resistor R5 is connected to a non-inverting terminal of an operational amplifier U1A and an inverting terminal of an operational amplifier U2A, the other end of the resistor R7 is connected to one end of a resistor R3 and an inverting terminal of the operational amplifier U1A, the non-inverting terminal of the operational amplifier U2A is connected to one end of a resistor R13 and the other end of the resistor R3, the output terminal of the operational amplifier U2A is connected to the positive electrode of a diode D3, the negative electrode of the diode D3 is connected to pin 5 of an XOR gate U4A, pin 7 of the XOR gate U4A is connected to the negative electrode of a diode D2, the positive electrode of the diode D2 is connected to the output terminal of the operational amplifier U1A, the output terminal of the XOR gate U4A is connected to the positive electrode of a diode D5, the negative electrode of the diode D5 is connected to one end of a relay K1, the other end of the switch S1 is connected to one end of a resistor R12, one end of a capacitor C3 and one end of an inductor L1, the other end of the inductor L1 is connected to one end of a capacitor C2, the other end of the capacitor C3 and the collector of a transistor Q3, the base of the transistor Q3 is connected to the other end of the resistor R12, one end of a capacitor C4 and one end of a resistor R10, the other end of the capacitor C4 is connected to the emitter of the transistor Q3 and one end of a resistor R9, the other end of the capacitor C2 is connected to a monitoring center, the other end of the resistor R9 is connected to the other end of the resistor R10, the other end of the relay L1, the other end of the resistor R13, the other end of the photoresistor R4 and the ground.

[0027] The light adjustment unit turns on the thyristor Q1 based on the high-level second comparison signal and the capacitor C1, that is, the camera of the unmanned aerial vehicle at this time is in an underexposed state, and the thyristor Q1 at this time outputs the light lower limit signal to the multiplier V1 and the divider which takes the operational amplifier U3A as the core, and also outputs the light intensity signal to the divider, the divider performs division operation on the light intensity signal and the light lower limit signal, then the divider outputs the adjustment signal through the diode D1, then the adjustment signal turns on the transistor Q2, and then the light emitting diode D4 is turned on to provide light compensation for the camera, thereby preliminarily processing the photos taken by the camera.

[0028] The light adjustment unit comprises a thyristor Q1, one end of a resistor R13 in the environment detection unit, a non-inverting terminal of an operational amplifier U2A, the other end of a resistor R3, a control electrode of the thyristor Q1 connected to one end of a capacitor C1 and a negative electrode of a diode D3 in the environment detection unit respectively, a cathode of the thyristor Q1 connected to one end of a resistor R1, the other end of the resistor R1 connected to one end of a resistor R15, a non-inverting terminal of an operational amplifier U3A, one end of the resistor R15, the other end of the resistor R15 connected to an output terminal of a multiplier V1, a 1 pin of the multiplier V1 connected to one end of a resistor R6, the other end of the resistor R6 connected to the other end of a resistor R5 in the environment detection unit, a non-inverting terminal of an operational amplifier U1A, a non-inverting terminal of the operational amplifier U2A, a 2 pin of the multiplier V1 connected to an output terminal of the operational amplifier U3A and a positive electrode of a diode D1 respectively, a non-inverting terminal of the operational amplifier U3A connected to one end of a resistor R11, a negative electrode of the diode D1 connected to one end of a resistor R16 and a base of a triode Q2 respectively, a collector of the triode Q2 connected to a negative electrode of a light emitting diode D4, a positive electrode of the light emitting diode D4 connected to one end of a resistor R14, the other end of the resistor R14 connected to the other end of a switch S1 in the environment detection unit and one end of an inductor L1, an emitter of the triode Q2 connected to one end of a resistor R8, the other end of the resistor R8 connected to the other end of the resistor R16, the other end of the resistor R11 and the other end of a capacitor C2 and connected to the ground.

[0029] As in actual use, the light intensity signal detected by the environment detection unit is 0.5V, the lower limit light signal is 0.8V, and the upper limit light signal is 3V, at this time, the first comparison signal and the second signal output by the window comparator are subjected to XOR operation and output a starting signal through the diode D5, the starting signal turns on the relay K1, the switch S1 is closed, and the vibrator is turned on to output a vibration signal, at this time, the second comparison signal turns on the light adjustment unit, the light adjustment unit outputs the light intensity signal and the lower limit light signal to the multiplier V1 and the operational amplifier U3A which are the core of the divider to perform division operation to obtain an adjustment signal, and turns on the light emitting diode D4 based on the adjustment signal, thereby providing light compensation for the camera.

[0030] The utility model discloses in using time,

[0031] The utility model realizes following beneficial effect:

[0032] (1) The application sets up a light monitoring module for the camera on the unmanned aerial vehicle, the light monitoring module detects the light intensity in the environment where the camera of the unmanned aerial vehicle is located to obtain a light intensity signal, and obtains a warning signal and a supplementary light signal from the light intensity signal, and outputs the warning signal to the monitoring center, and starts the light supplement device to supplement light for the camera of the unmanned aerial vehicle based on the supplementary light signal, thereby solving the problem that the existing unmanned aerial vehicle inspection device cannot avoid the influence of light intensity on the photos taken by the camera, increasing the difficulty of processing the photos, and leading to the decline of the accuracy of the inspection results, and unable to obtain the expected inspection effect, thereby warning the monitoring center when the camera is in a light environment that does not meet the shooting environment, and supplementing light accordingly, thereby ensuring the shooting effect of the camera when the unmanned aerial vehicle is inspecting.

[0033] (2) The light monitoring module comprises an environment detection unit, the environment detection unit detects the light intensity in the environment where the water pump in the secondary pump station is located based on the light detector composed of the resistor R2 and the photoresistor R11 to obtain a light intensity signal, and obtains a first comparison signal and a second comparison signal after window comparison of the light intensity signal based on the operational amplifier U2A and the operational amplifier U1A, and performs XOR operation on the first comparison signal and the second comparison signal based on the XOR U4A to obtain a start signal, thereby realizing the monitoring of the light intensity in the environment where the camera of the unmanned aerial vehicle is located, and preliminarily ensuring the quality of the photos taken by the camera of the unmanned aerial vehicle;

[0034] (3) The light monitoring module comprises a light adjustment unit, when the camera is in an underexposed state, the light adjustment unit performs division operation on the light intensity signal and the lower limit of light signal based on the multiplier V1 and the divider with the operational amplifier U3A as the core to obtain an adjustment signal, and starts the light supplement device, thereby supplementing light for the camera, so that the camera can continue to take photos with normal quality, and ensure the normal operation of the unmanned aerial vehicle inspection work.

Claims

1. A monitoring device for autonomous route following of unmanned aerial vehicles (UAVs), wherein the monitoring device communicates wirelessly with a monitoring center, characterized in that, The monitoring device includes a light monitoring module, which detects the light intensity in the environment where the drone's camera is located to obtain a light intensity signal, and obtains an early warning signal and a supplementary light signal from the light intensity signal. The early warning signal is then sent to the monitoring center, and a supplementary light device is activated based on the supplementary light signal to provide supplementary light for the drone's camera. The illumination monitoring module includes an environmental detection unit and an illumination adjustment unit, and the illumination adjustment unit includes a supplementary light source. The environmental monitoring unit is connected to the illumination adjustment unit and the monitoring center, respectively.

2. The monitoring device for autonomous route following of unmanned aerial vehicles as described in claim 1, characterized in that, The environmental detection unit obtains a first comparison signal and a second comparison signal based on the light intensity signal, performs calculations based on the first comparison signal and the second comparison signal to obtain a start signal, and starts the light adjustment unit based on the start signal.

3. The monitoring device for autonomous route following of unmanned aerial vehicles as described in claim 2, characterized in that, The environmental detection unit divides the light intensity signal into two paths and compares the two light intensity signals to obtain a first comparison signal and a second comparison signal.

4. The monitoring device for autonomous route following of unmanned aerial vehicles as described in claim 2, characterized in that, The environmental detection unit obtains the start signal based on the XOR operation between the first comparison signal and the second comparison signal.

5. The monitoring device for autonomous route following of unmanned aerial vehicles as described in claim 2, characterized in that, The environmental detection unit also activates an oscillator based on the start signal, and the oscillator generates the warning signal.

6. The monitoring device for autonomous route following of unmanned aerial vehicles as described in claim 1, characterized in that, The illumination adjustment unit obtains an adjustment signal based on the illumination intensity signal and activates the fill light device based on the fill light signal.

7. The monitoring device for autonomous route following of unmanned aerial vehicles as described in claim 5, characterized in that, The illumination adjustment unit obtains the adjustment signal by performing a division operation based on the illumination intensity signal.

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