Miniaturized FPV unmanned aerial vehicle detection device

Abstract

The utility model discloses a miniaturized FPV unmanned aerial vehicle detection device, which comprises a shell provided with an antenna mounting base, a control bin and a battery bin are arranged in the shell, a control module and an image transmission module are arranged in the control bin, and a battery for supplying power to the control module and the image transmission module is arranged in the battery bin; and the shell is also provided with a through hole matched with the network port. According to the utility model, the miniaturization and portability of the device are obviously improved, the device can detect 1.2 G frequency band and 5.8 G frequency band, the detection frequency point range is increased, and the FPV detection accuracy is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the unmanned plane detection technical field relates to a miniaturized FPV unmanned plane detection device. BACKGROUND

[0002] FPV is the abbreviation of English First Person View, namely "first person view", it is a kind of based on remote control unmanned plane plus wireless camera back transmission technology.In the field of aerial photography, this technology can provide the aerial photography picture with visual impact, is widely used in tourist attractions, city propaganda, film scene etc.;With the precise control performance and high-speed arrival ability brought by "first person view", it can effectively attack enemy target.

[0003] For the security requirements and privacy needs of some special areas, FPV detection technology is born, by detecting the signal strength of some frequency points and analyzing the video picture, it is determined whether there is FPV equipment in the current area.However, the existing detection equipment has the defects of large size, heavy quality and single detection frequency. SUMMARY

[0004] The utility model solves technical problem provides a miniaturized FPV unmanned plane detection device, by miniaturization increases the portability of unmanned plane detection device, and overcomes the defect of single scanning frequency band.

[0005] The utility model is realized through the following technical schemes:

[0006] A kind of miniaturized FPV unmanned plane detection device, including the shell with antenna installation base, shell is equipped with control bin and battery bin, wherein control bin is equipped with control module and picture transmission module, battery bin is equipped with the battery for the power supply of control module and picture transmission module;Shell is also provided with through-hole matched with network mouth;

[0007] The antenna installation base is respectively equipped with 1.2G sweep frequency antenna and 5.8G sweep frequency antenna;1.2G sweep frequency antenna and 5.8G sweep frequency antenna send the signal received to picture transmission receiving module;

[0008] The picture transmission receiving module is cyclically written frequency point by control module, and the signal sent by 1.2G sweep frequency antenna and 5.8G sweep frequency antenna is video decoded;

[0009] The control module comprises an MCU, and an ADC, a timer and a serial port connected to the MCU, wherein the MCU sends a command to the 1.2G sweep antenna and the 5.8G sweep antenna to cyclically scan through the timer, and collects the frequency point signal strength of the image transmission receiving module through the ADC; the MCU judges whether there is an FPV unmanned aerial vehicle in the current environment based on the collected frequency point signal strength and the image transmission signal detection flag; when the FPV unmanned aerial vehicle is detected, the MCU sends an alarm signal to the outside through the serial port connected to the network port.

[0010] The shell is further provided with a through hole matched with the charging port, and the charging port is connected with the battery.

[0011] The control bin is further provided with a plurality of heat dissipation holes.

[0012] The control bin is further provided with a plurality of parallel arranged stripes.

[0013] The shell is further provided with a plurality of fixing holes.

[0014] The shell is further provided with an indicating lamp connected with the MCU; when the FPV unmanned aerial vehicle is detected, the MCU alarms through the flickering of the indicating lamp.

[0015] Compared with the prior art, the FPV unmanned aerial vehicle detection device has the following beneficial technical effects:

[0016] The miniaturized FPV unmanned aerial vehicle detection device has the advantages that the portability is significantly improved, the volume is 120mm*50mm*20mm, and the weight is 110g; the device has the detection of the 1.2G frequency band and the 5.8G frequency band, the detection frequency point range is increased, and the accuracy of FPV detection is improved.

[0017] The miniaturized FPV unmanned aerial vehicle detection device has the advantages that the video data is analyzed, the external communication interface of the detection device is increased, the detection precision of the FPV unmanned aerial vehicle is improved, and the external communication is flexible. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a module schematic view of the utility model;

[0019] Figure 2 It is one of the external structure schematic view of the utility model;

[0020] Figure 3 It is the second of the external structure schematic view of the utility model;

[0021] Figure 4 It is the 1.2G receiving circuit schematic view of the utility model;

[0022] Figure 5The utility model discloses a 5.8G receiving circuit schematic diagram;

[0023] Figure 6 The utility model discloses a serial port converts net mouth output module circuit schematic diagram;

[0024] Figure 7 It is the processing flow schematic diagram of the utility model.

[0025] Among them, 1 is antenna, 2 is pilot lamp, 3 is net mouth, 4 is control bin, 5 is battery bin, 6 is power interface. Specific implementation

[0026] The utility model will be described in further detail below in conjunction with the drawings, which is the explanation of the utility model but not the limitation.

[0027] Reference Figures 1-3 A miniaturized FPV unmanned plane detection device, including the casing with antenna installation base, be equipped with control bin and battery bin in the casing, wherein control bin is equipped with control module and video transmission module, and battery bin is equipped with the battery for the power supply of control module and video transmission module;The casing is also provided with a through hole matched with the net mouth;

[0028] The antenna installation base is respectively equipped with 1.2G sweep frequency antenna and 5.8G sweep frequency antenna;1.2G sweep frequency antenna and 5.8G sweep frequency antenna send the received signal to the video transmission receiving module;

[0029] The video transmission receiving module is cyclically written by control module frequency point, and the signal sent by 1.2G sweep frequency antenna and 5.8G sweep frequency antenna is video decoded;

[0030] The control module includes MCU, and the ADC, timer and serial port connected therewith, wherein the MCU carries out cyclic scanning to the instruction sent by 1.2G sweep frequency antenna and 5.8G sweep frequency antenna through the timer, and the frequency point signal strength of video transmission receiving module is collected through the ADC;The MCU judges whether there is FPV unmanned plane in the current environment based on the collected frequency point signal strength and video transmission signal detection mark;When detecting the FPV unmanned plane, the MCU sends the warning signal to the outside through the serial port connection net mouth.

[0031] The control module sets the frequency point in the frequency band of 5.8G frequency band module and 1.2G frequency band module every interval (3s), and cyclically receives the signal in the environment, detects the signal strength and whether there is video picture, to judge whether there is FPV equipment in the current area.

[0032] Specifically, the control module adopts an MCU of STM32F103RCT6 type, the MCU is a 32-bit ARM Cortex-M3 microcontroller, and has a working frequency of 72MHz, and is rich in peripherals, including multiple general-purpose timers, universal asynchronous serial interfaces, SPI, I2C, USART, etc.In addition, the microcontroller also has multiple 12-bit ADC and DAC analog peripherals, without the need to add an ADC detection circuit, which helps to reduce the size of the device.

[0033] The sweep frequency is divided into two parts: a 1.2G sweep frequency antenna and a 5.8G sweep frequency antenna, which receive radio signals in the receiving area and transmit them to the video transmission receiving module; thereby increasing the detection frequency range and improving the accuracy of FPV detection.

[0034] The video transmission receiving module can use commonly used 1.2G video transmission receiving modules and 5.8G video transmission receiving modules as detection; different frequency points are set for the video transmission module, and the existence of FPV in a specific environment is determined according to signal reception strength (voltage strength) and image signal detection.

[0035] Specifically, the 1.2G video transmission receiving module circuit is as shown in Figure 4 , and the 5.8G video transmission receiving module circuit is as shown in Figure 5 .

[0036] The communication module uses a serial port to network port output module (circuit diagram as shown in Figure 6 ), which converts serial port data into network data and sends it out.

[0037] Further, the shell is also provided with a through hole matched with the charging port, and the charging port is connected with the battery; when needed, the battery is charged through the charging port.

[0038] The control bin is also provided with a plurality of heat dissipation holes for dissipating heat generated during the operation of the control bin.

[0039] The control bin is also provided with a plurality of parallel arranged stripes as anti-falling stripes.

[0040] The shell is also provided with a plurality of fixing holes on the four corners, which is convenient for carrying or fixing.

[0041] The shell is also provided with an indicator light connected with the MCU; when the FPV unmanned aerial vehicle is detected, the MCU flashes the indicator light to warn.

[0042] The utility model discloses on the basis of increasing frequency band, reduce the size of circuit board, greatly reduce the equipment volume, increase its portability, 1.2G picture transmission module and 5.8G picture transmission module are cyclically written corresponding frequency point, and whether there is FPV equipment in current environment is judged according to the voltage value of signal strength and picture transmission signal detection mark.

[0043] As Figure 7 The working procedure shown in the figure, initialization is carried out to control module and peripheral equipment (ADC, serial port, timer), and the timer is configured to scan the environmental signal once every 3s, the ADC is configured to collect signal strength, and the serial port is configured for external communication; 1.2G picture transmission module and 5.8G picture transmission module are cyclically written corresponding frequency point, and whether there is FPV equipment in current environment is judged according to the voltage value of signal received by the picture transmission module and the picture transmission signal detection mark.

[0044] The utility model provides miniaturized FPV unmanned plane detection device, through equipment miniaturization, portability is improved obviously, and the volume can reach 120mm * 50mm * 20mm, and the weight can reach 110g, and it has the detection of 1.2G frequency band and 5.8G frequency band simultaneously, increases the detection frequency point range, improves the accuracy of FPV detection.

[0045] The above embodiment is a relatively optimal example for realizing the utility model, and the utility model is not limited to the above embodiment. Any non-essential addition or replacement made by a person skilled in the art according to the technical features of the technical scheme of the utility model falls within the protection scope of the utility model.

Claims

1. A miniaturized FPV unmanned aerial vehicle (UAV) detection device, characterized in that, It includes a housing with an antenna mounting base, and inside the housing are a control compartment and a battery compartment. The control compartment contains a control module and an image transmission module, and the battery compartment contains a battery that powers the control module and the image transmission module. The housing also has through holes that match the network port. A 1.2G sweep frequency antenna and a 5.8G sweep frequency antenna are respectively installed on the antenna mounting base; the 1.2G sweep frequency antenna and the 5.8G sweep frequency antenna transmit the received signals to the image transmission receiving module; The image transmission receiving module is cyclically programmed with frequency points by the control module to perform video decoding on the signals transmitted by the 1.2G sweep frequency antenna and the 5.8G sweep frequency antenna; The control module includes an MCU, and connected to it an ADC, a timer, and a serial port. The MCU uses the timer to send commands to the 1.2G and 5.8G sweep antennas in a cyclic scan, and uses the ADC to collect the frequency signal strength of the image transmission receiving module. Based on the collected frequency signal strength and the image transmission signal detection flag, the MCU determines whether there is an FPV drone in the current environment. When an FPV drone is detected, the MCU sends an alarm signal to the outside world through the serial port connected to the network port.

2. The miniaturized FPV drone detection device as described in claim 1, characterized in that, The housing also has a through hole that matches the charging port, which is connected to the battery.

3. The miniaturized FPV drone detection device as described in claim 1, characterized in that, The control compartment is also equipped with multiple heat dissipation holes.

4. The miniaturized FPV drone detection device as described in claim 1, characterized in that, The control compartment also features multiple parallel stripes.

5. The miniaturized FPV drone detection device as described in claim 1, characterized in that, The housing has fixing holes at all four corners.

6. The miniaturized FPV drone detection device as described in claim 1, characterized in that, The housing is also equipped with an indicator light, which is connected to the MCU; when an FPV drone is detected, the MCU will flash the indicator light as a warning.

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