CN209607907U - A kind of movable unmanned helicopter monitoring aerial - Google Patents
A kind of movable unmanned helicopter monitoring aerial Download PDFInfo
- Publication number
- CN209607907U CN209607907U CN201822217059.2U CN201822217059U CN209607907U CN 209607907 U CN209607907 U CN 209607907U CN 201822217059 U CN201822217059 U CN 201822217059U CN 209607907 U CN209607907 U CN 209607907U
- Authority
- CN
- China
- Prior art keywords
- circuit
- capacitor
- resistance
- output end
- input terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Radio Relay Systems (AREA)
Abstract
The utility model discloses a kind of movable unmanned helicopter monitoring aerials, belong to field of communication technology, direction-finding device is installed on unmanned plane, direction-finding device includes direction-finder antenna, direction-finder set circuit, gain controllable amplifying circuit, A/D module, voltage regulator circuit, MCU, electronic compass and LoRa digital transmission module, direction-finder antenna connects direction-finder set circuit, direction finding circuit connection gain adjustable amplifying circuit, gain adjustable amplifying circuit connects A/D module, A/D module, electronic compass and LoRa digital transmission module are connect with MCU, it solves using low-power consumption, high isolation, the direction finding circuit of adjustable gain realizes the technical issues of unmanned aircraft antenna direction finding, the utility model realizes the function of unmanned plane automatic adjustment gain using numerical control adjustable gain amplifying circuit；The utility model uses high isolation circuit design in a power, makes to keep apart between the control circuit of unmanned plane and antenna direction finding circuit, the minimum interference for being subject to direction-finder antenna circuit.
Description
Technical field
The utility model belongs to field of communication technology, in particular to a kind of movable unmanned helicopter monitoring aerial.
Background technique
Since surface em environment is complicated, the transmission of ultrashort wave (VHF/UHF) radio signal is by landform, atural object, high pressure
The influence of line and industrial traffic etc., leads to that propagation path is changeable, the not pure and mild phase fluctuation of polarization.And the transmission environment of airwaves
More clean, aerial monitoring is more much better than the effect of ground monitoring.And if using the side for installing direction-finder antenna on unmanned plane
Case, will face following problems: 1. due to that can not manually adjust the gain amplifier of direction finding circuit on unmanned plane, current
Unmanned plane direction finding can only be tested using the direction finding circuit of fixed gain；2. unmanned plane using battery-powered, power consumption
Ask higher；3. since direction finding circuit is easy to be interfered, and the direction finding circuit installed on unmanned plane needs to use with unmanned plane
The same battery pack, this just makes the motor of unmanned plane that can generate undesirable interference noise to direction finding circuit, influences direction finding result.
Utility model content
The purpose of the utility model is to provide a kind of movable unmanned helicopter monitoring aerial, solve using low-power consumption, it is high every
The technical issues of direction finding circuit from, adjustable gain realizes unmanned aircraft antenna direction finding.
To achieve the above object, the utility model uses following technical scheme:
A kind of movable unmanned helicopter monitoring aerial, including unmanned plane and direction-finding device, direction-finding device are installed on unmanned plane；
Direction-finding device include direction-finder antenna, direction-finder set circuit, gain controllable amplifying circuit, A/D module, voltage regulator circuit, MCU,
Electronic compass and LoRa digital transmission module, direction-finder antenna connect direction-finder set circuit, and direction finding circuit connection gain adjustable amplifying circuit increases
Beneficial adjustable amplifying circuit connects A/D module, and A/D module, electronic compass and LoRa digital transmission module are connect with MCU；
Voltage regulator circuit includes 12VDC-DC converter IC 5,5V voltage-stablizer IC1,3.3V voltage-stablizer IC2, capacitor C1, capacitor
The positive input terminal company of C2, capacitor C3, capacitor C4, capacitor C5, capacitor C6, capacitor C21 and inductance L1,12VDC-DC converter IC 5
Connect the anode of the battery pack of the unmanned plane, cathode, the output end of the battery pack that negative input end connects the unmanned plane export 12V
Power supply；
Input terminal connection 12V power supply, the output end of 5V voltage-stablizer IC1 exports 5V power supply, and capacitor C1 and capacitor C2 are that 5V is steady
The filter capacitor of the input terminal of depressor IC1；5V power supply is direction-finder antenna, direction-finder set circuit, gain controllable amplifying circuit and AD mould
Block power supply；
Input terminal connection 5V power supply, the output end of 3.3V voltage-stablizer IC2 exports 3.3V power supply, and capacitor C3 and capacitor C4 are
The filter capacitor of the input terminal of 3.3V voltage-stablizer IC2, inductance L1, capacitor C21, capacitor C5 and capacitor C6 constitute 3.3V voltage-stablizer
The LC filter circuit of the output end of IC2；3.3V power supply is that MCU, electronic compass and LoRa digital transmission module are powered；
Direction-finder set circuit includes high-frequency amplifier, beat-frequency detection device, adjustable signal generator based on heter rodyne action, low-frequency amplifier and power amplifier
Device, the input terminal of the output end connection high-frequency amplifier of direction-finder antenna, the output end of high-frequency amplifier connect beat-frequency detection device, can
Signal generator based on heter rodyne action is adjusted to connect beat-frequency detection device, the input terminal of the output end connection low-frequency amplifier of beat-frequency detection device, low frequency amplification
The input terminal of the output end connection amplifirer of device；
Gain controllable amplifying circuit include phase inverter U1A, phase inverter U1B, phase inverter U1C, diode D1, diode D2,
Diode D3, resistance R4, resistance R5, resistance R6, resistance R7, amplifier IC3, resistance R1, resistance R2 and resistance R3, resistance R1's
One end connects the output end of amplifirer, the other end passes through the positive input terminal of resistance R3 connection amplifier IC1, and amplifier IC3's is negative
Input terminal passes through the output end of resistance R7 connection amplifier IC3；
An I/O port, the output end of the input terminal connection MCU of phase inverter U1A connects the cathode of diode D1, diode D1
Anode pass through the negative input end of resistance R4 connection amplifier IC3；
An I/O port, the output end of the input terminal connection MCU of phase inverter U1B connects the cathode of diode D2, diode D2
Anode pass through the negative input end of resistance R5 connection amplifier IC3；
An I/O port, the output end of the input terminal connection MCU of phase inverter U1C connects the cathode of diode D3, diode D3
Anode pass through the negative input end of resistance R6 connection amplifier IC3；
The input terminal of the output end connection A/D module of amplifier IC3.
Preferably, the model STM32F030F4P6 of the MCU；The model OPA820 of the amplifier IC3；It is described
The model 74F04 of phase inverter U1A, the phase inverter U1B and the phase inverter U1C；The model of the 5V voltage-stablizer IC1
LM7805；The model AMS1117 of the 3.3V voltage-stablizer IC2；The model QMC5883L electronic guide of the electronic compass
Needle compass module；The model SX1276 wireless module of the LoRa digital transmission module；The model ADS1210 of the A/D module.
Preferably, the unmanned plane is that 12V 4 axis of powering are taken photo by plane unmanned plane.
A kind of movable unmanned helicopter monitoring aerial described in the utility model is solved using low-power consumption, high isolation, adjustable
The direction finding circuit of gain realizes the technical issues of unmanned aircraft antenna direction finding, and the utility model is using numerical control adjustable gain amplification electricity
Road realizes the function of unmanned plane automatic adjustment gain；The utility model uses high isolation circuit design in a power, makes
Keep apart between the control circuit and antenna direction finding circuit of unmanned plane, the minimum interference for being subject to direction-finder antenna circuit, this reality
Low-power consumption digital transmission module is used with novel, the communication efficiency between direction finding circuit and terrestrial contr is minimized, saves
Battery power.
Detailed description of the invention
Fig. 1 is the circuit diagram block diagram of the direction-finding device of the utility model；
Fig. 2 is the circuit diagram block diagram of the direction-finder set circuit of the utility model；
Fig. 3 is the circuit diagram of the gain controllable amplifying circuit of the utility model；
Fig. 4 is the circuit diagram of the voltage regulator circuit of the utility model.
Specific embodiment
A kind of movable unmanned helicopter monitoring aerial as Figure 1-Figure 4, including unmanned plane and direction-finding device, direction-finding device
It is installed on unmanned plane；
Direction-finding device include direction-finder antenna, direction-finder set circuit, gain controllable amplifying circuit, A/D module, voltage regulator circuit, MCU,
Electronic compass and LoRa digital transmission module, direction-finder antenna connect direction-finder set circuit, and direction finding circuit connection gain adjustable amplifying circuit increases
Beneficial adjustable amplifying circuit connects A/D module, and A/D module, electronic compass and LoRa digital transmission module are connect with MCU；
For the direction-finder set circuit that the present embodiment uses for PJ-80 type direction-finder set circuit, PJ-80 type direction-finder set circuit is existing skill
Art, therefore be not described in detail.
Voltage regulator circuit includes 12VDC-DC converter IC 5,5V voltage-stablizer IC1,3.3V voltage-stablizer IC2, capacitor C1, capacitor
The positive input terminal company of C2, capacitor C3, capacitor C4, capacitor C5, capacitor C6, capacitor C21 and inductance L1,12VDC-DC converter IC 5
Connect the anode of the battery pack of the unmanned plane, cathode, the output end of the battery pack that negative input end connects the unmanned plane export 12V
Power supply；
The utility model is completely isolated by the control circuit of unmanned plane and direction-finding device by 12VDC-DC converter IC 5
It opens, independent ground wire, the control for the unmanned plane for being subject to direction-finding device is used alone in the control circuit and direction-finding device of unmanned plane
The interference reduction of circuit has arrived minimum.
The 12V that the direction-finding device of the utility model directlys adopt unmanned plane is battery-powered, without in addition increase battery or
Power supply reduces the weight bearing of unmanned plane.
Input terminal connection 12V power supply, the output end of 5V voltage-stablizer IC1 exports 5V power supply, and capacitor C1 and capacitor C2 are that 5V is steady
The filter capacitor of the input terminal of depressor IC1；5V power supply is direction-finder antenna, direction-finder set circuit, gain controllable amplifying circuit and AD mould
Block power supply；
Input terminal connection 5V power supply, the output end of 3.3V voltage-stablizer IC2 exports 3.3V power supply, and capacitor C3 and capacitor C4 are
The filter capacitor of the input terminal of 3.3V voltage-stablizer IC2, inductance L1, capacitor C21, capacitor C5 and capacitor C6 constitute 3.3V voltage-stablizer
The LC filter circuit of the output end of IC2；3.3V power supply is that MCU, electronic compass and LoRa digital transmission module are powered；
The electronic compass of the utility model is used for orientation, and direction-finding device is allow accurately to judge direction；This is practical
It is novel to be communicated using LoRa digital transmission module with terrestrial contr, power consumption is greatly reduced, terrestrial contr needs
The LoRa digital transmission module come round is set.
Direction-finder set circuit includes high-frequency amplifier, beat-frequency detection device, adjustable signal generator based on heter rodyne action, low-frequency amplifier and power amplifier
Device, the input terminal of the output end connection high-frequency amplifier of direction-finder antenna, the output end of high-frequency amplifier connect beat-frequency detection device, can
Signal generator based on heter rodyne action is adjusted to connect beat-frequency detection device, the input terminal of the output end connection low-frequency amplifier of beat-frequency detection device, low frequency amplification
The input terminal of the output end connection amplifirer of device；
The power amplifier of PJ-80 type direction-finder set circuit is made of LM386 and its peripheral circuit.
Gain controllable amplifying circuit include phase inverter U1A, phase inverter U1B, phase inverter U1C, diode D1, diode D2,
Diode D3, resistance R4, resistance R5, resistance R6, resistance R7, amplifier IC3, resistance R1, resistance R2 and resistance R3, resistance R1's
One end connects the output end of amplifirer, the other end passes through the positive input terminal of resistance R3 connection amplifier IC1, and amplifier IC3's is negative
Input terminal passes through the output end of resistance R7 connection amplifier IC3；
An I/O port, the output end of the input terminal connection MCU of phase inverter U1A connects the cathode of diode D1, diode D1
Anode pass through the negative input end of resistance R4 connection amplifier IC3；
An I/O port, the output end of the input terminal connection MCU of phase inverter U1B connects the cathode of diode D2, diode D2
Anode pass through the negative input end of resistance R5 connection amplifier IC3；
An I/O port, the output end of the input terminal connection MCU of phase inverter U1C connects the cathode of diode D3, diode D3
Anode pass through the negative input end of resistance R6 connection amplifier IC3；
The yield value of gain controllable amplifying circuit is combined into according between resistance R7, resistance R4, resistance R5 and resistance R6
Resistor network resistance value and change, can be with by changing the output of phase inverter U1A, phase inverter U1B and phase inverter U1C
Which resistance eutral grounding between resistance R4, resistance R5 and resistance R6 is controlled, to change resistance R7, resistance R4, resistance R5 and electricity
The resistance value of the resistor network of R6 is hindered, thus change the yield value of amplifier IC3, phase inverter U1A, phase inverter U1B and phase inverter U1C
Output controlled by MCU.
Phase inverter U1A, phase inverter U1B and phase inverter U1C are the phase inverter in the same 74F04 chip.
The input terminal of the output end connection A/D module of amplifier IC3.
Direction-finder set circuit generates direction finding electric current by direction-finder antenna, and is sent out current signal by the LM386 of power amplifier
It send to gain controllable amplifying circuit, MCU controls gain controllable by control phase inverter U1A, phase inverter U1B and phase inverter U1C
The yield value of amplifying circuit measures the nothing of direction-finder antenna acquisition to accurately measure the size of the current signal
The orientation of line signal；Electronic compass facilitates direction-finding device to judge direction for positioning to direction-finding device；When direction-finding device is surveyed
Behind the orientation for measuring wireless signal, by LoRa digital transmission module, unit sends bearing data to the ground.
Preferably, the model STM32F030F4P6 of the MCU；The model OPA820 of the amplifier IC3；It is described
The model 74F04 of phase inverter U1A, the phase inverter U1B and the phase inverter U1C；The model of the 5V voltage-stablizer IC1
LM7805；The model AMS1117 of the 3.3V voltage-stablizer IC2；The model QMC5883L electronic guide of the electronic compass
Needle compass module；The model SX1276 wireless module of the LoRa digital transmission module；The model ADS1210 of the A/D module.
Preferably, the unmanned plane is that 12V 4 axis of powering are taken photo by plane unmanned plane.
A kind of movable unmanned helicopter monitoring aerial described in the utility model is solved using low-power consumption, high isolation, adjustable
The direction finding circuit of gain realizes the technical issues of unmanned aircraft antenna direction finding, and the utility model is using numerical control adjustable gain amplification electricity
Road realizes the function of unmanned plane automatic adjustment gain；The utility model uses high isolation circuit design in a power, makes
Keep apart between the control circuit and antenna direction finding circuit of unmanned plane, the minimum interference for being subject to direction-finder antenna circuit, this reality
Low-power consumption digital transmission module is used with novel, the communication efficiency between direction finding circuit and terrestrial contr is minimized, saves
Battery power.
Claims (3)
1. a kind of movable unmanned helicopter monitoring aerial, it is characterised in that: including unmanned plane and direction-finding device, direction-finding device is installed in
On unmanned plane；
Direction-finding device includes direction-finder antenna, direction-finder set circuit, gain controllable amplifying circuit, A/D module, voltage regulator circuit, MCU, electronics
Compass and LoRa digital transmission module, direction-finder antenna connect direction-finder set circuit, and direction finding circuit connection gain adjustable amplifying circuit, gain can
Amplifying circuit is adjusted to connect A/D module, A/D module, electronic compass and LoRa digital transmission module are connect with MCU；
Voltage regulator circuit includes 12VDC-DC converter IC 5,5V voltage-stablizer IC1,3.3V voltage-stablizer IC2, capacitor C1, capacitor C2, electricity
Hold described in the positive input terminal connection of C3, capacitor C4, capacitor C5, capacitor C6, capacitor C21 and inductance L1,12VDC-DC converter IC 5
Anode, the negative input end of the battery pack of unmanned plane connect the cathode of the battery pack of the unmanned plane, output end output 12V power supply；
Input terminal connection 12V power supply, the output end of 5V voltage-stablizer IC1 exports 5V power supply, and capacitor C1 and capacitor C2 are 5V voltage-stablizer
The filter capacitor of the input terminal of IC1；5V power supply is that direction-finder antenna, direction-finder set circuit, gain controllable amplifying circuit and A/D module supply
Electricity；
Input terminal connection 5V power supply, the output end of 3.3V voltage-stablizer IC2 exports 3.3V power supply, and capacitor C3 and capacitor C4 are that 3.3V is steady
The filter capacitor of the input terminal of depressor IC2, inductance L1, capacitor C21, capacitor C5 and capacitor C6 constitute 3.3V voltage-stablizer IC2's
The LC filter circuit of output end；3.3V power supply is that MCU, electronic compass and LoRa digital transmission module are powered；
Direction-finder set circuit includes high-frequency amplifier, beat-frequency detection device, adjustable signal generator based on heter rodyne action, low-frequency amplifier and amplifirer, is surveyed
To the input terminal of the output end of antenna connection high-frequency amplifier, the output end of high-frequency amplifier connects beat-frequency detection device, adjustable difference
It claps oscillator and connects beat-frequency detection device, the output end of beat-frequency detection device connects the input terminal of low-frequency amplifier, low-frequency amplifier
The input terminal of output end connection amplifirer；
Gain controllable amplifying circuit includes phase inverter U1A, phase inverter U1B, phase inverter U1C, diode D1, diode D2, two poles
Pipe D3, resistance R4, resistance R5, resistance R6, resistance R7, amplifier IC3, resistance R1, resistance R2 and resistance R3, one end of resistance R1
Connect the positive input terminal of the output end, the other end of amplifirer by resistance R3 connection amplifier IC1, the negative input of amplifier IC3
End passes through the output end of resistance R7 connection amplifier IC3；
An I/O port, the output end of the input terminal connection MCU of phase inverter U1A connects the cathode of diode D1, and diode D1 is just
Pole passes through the negative input end of resistance R4 connection amplifier IC3；
An I/O port, the output end of the input terminal connection MCU of phase inverter U1B connects the cathode of diode D2, and diode D2 is just
Pole passes through the negative input end of resistance R5 connection amplifier IC3；
An I/O port, the output end of the input terminal connection MCU of phase inverter U1C connects the cathode of diode D3, and diode D3 is just
Pole passes through the negative input end of resistance R6 connection amplifier IC3；
The input terminal of the output end connection A/D module of amplifier IC3.
2. a kind of movable unmanned helicopter monitoring aerial as described in claim 1, it is characterised in that: the model of the MCU
STM32F030F4P6；The model OPA820 of the amplifier IC3；The phase inverter U1A, the phase inverter U1B and described anti-
The model 74F04 of phase device U1C；The model LM7805 of the 5V voltage-stablizer IC1；The model of the 3.3V voltage-stablizer IC2
AMS1117；The model QMC5883L electronic compass compass module of the electronic compass；The model of the LoRa digital transmission module
For SX1276 wireless module；The model ADS1210 of the A/D module.
3. a kind of movable unmanned helicopter monitoring aerial as described in claim 1, it is characterised in that: the unmanned plane is 12V confession
Electric 4 axis are taken photo by plane unmanned plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822217059.2U CN209607907U (en) | 2018-12-27 | 2018-12-27 | A kind of movable unmanned helicopter monitoring aerial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822217059.2U CN209607907U (en) | 2018-12-27 | 2018-12-27 | A kind of movable unmanned helicopter monitoring aerial |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209607907U true CN209607907U (en) | 2019-11-08 |
Family
ID=68398746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822217059.2U Active CN209607907U (en) | 2018-12-27 | 2018-12-27 | A kind of movable unmanned helicopter monitoring aerial |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209607907U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111413665A (en) * | 2020-03-26 | 2020-07-14 | 上海久航电子有限公司 | In-situ test system for ultrashort wave direction finder |
-
2018
- 2018-12-27 CN CN201822217059.2U patent/CN209607907U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111413665A (en) * | 2020-03-26 | 2020-07-14 | 上海久航电子有限公司 | In-situ test system for ultrashort wave direction finder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103269132B (en) | Sensor power supply method and power supply device | |
| CN103219779A (en) | Wireless charging method for sensing network node | |
| CN203119584U (en) | Wireless charging device for low-power electric device | |
| CN106410980B (en) | Radio energy transmission system and wireless power transmission control method | |
| CN209607907U (en) | A kind of movable unmanned helicopter monitoring aerial | |
| CN104573317A (en) | Photoelectric health parameter detector based on audio port | |
| CN203055147U (en) | Meter reading collector with switching power supply and power line carrier transceiving gain | |
| CN203630251U (en) | Electric power line fault indicator | |
| CN205430609U (en) | Positioning system based on bluetooth low energy | |
| CN105632188A (en) | Ultra-low power consumption wireless geomagnetic type vehicle detector and control method thereof | |
| CN207909229U (en) | Intelligent door lock is for electric installation | |
| CN205982653U (en) | Solar facilities clinometer | |
| CN203761431U (en) | Handset housing for handset wireless charging | |
| CN103807485A (en) | Radio frequency awakening circuit of wireless electromagnetic valve | |
| CN208723606U (en) | Agriculture UAV Intelligent airplane parking area wireless charging device | |
| CN105842658A (en) | Aviation radio interference signal direction finding system | |
| CN208862639U (en) | High integration low-power wireless charging receiver | |
| CN208569053U (en) | A kind of GPS positioning difference base station device | |
| CN207283542U (en) | A kind of LoRa communication modules | |
| CN206948692U (en) | A kind of street lamp fault monitoring device | |
| CN112729588A (en) | Miniature passive wireless temperature sensor and temperature measurement system | |
| CN201373920Y (en) | Microwave electronic distance meter front end module with wide-temperature range and high sensitivity | |
| CN220234680U (en) | Personnel positioning sensing system based on near field communication | |
| CN205407368U (en) | Non -contact battery charging outfit, terminal equipment and charging system | |
| CN104143841A (en) | Positioning tracking circuit and device for container trailer frame |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |