CN209462076U - A kind of unmanned plane backup battery management system - Google Patents
A kind of unmanned plane backup battery management system Download PDFInfo
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- CN209462076U CN209462076U CN201822144397.8U CN201822144397U CN209462076U CN 209462076 U CN209462076 U CN 209462076U CN 201822144397 U CN201822144397 U CN 201822144397U CN 209462076 U CN209462076 U CN 209462076U
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- power supply
- unmanned plane
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- microcontroller
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of unmanned plane backup battery management systems, it include: power supply switch circuit, battery information Acquisition Circuit and microcontroller, power supply switch circuit input terminal is connect with main power source and reserve battery respectively, power supply switch circuit output end is connect with unmanned plane motor, and the power supply switch circuit is used to switch input power for unmanned plane motor；Battery information Acquisition Circuit is connect with reserve battery and microcontroller respectively, for acquiring backup battery voltage electric current and the backup battery voltage current information of acquisition being sent to the microcontroller；Microcontroller is connect with the power supply switch circuit, for acquiring cell voltage current information and controlling the power supply switch circuit switching out-put supply.The utility model switches the power input of unmanned plane using power supply switch circuit, and when main power source power loss, microcontroller controls power supply switch circuit and opens reserve battery power supply, avoids unmanned plane air crash out of control.
Description
Technical field
The utility model relates to unmanned plane power supply technique field more particularly to a kind of unmanned plane backup battery management systems.
Background technique
UAV abbreviation unmanned plane is a kind of presetting apparatus behaviour for utilizing radio robot and providing for oneself
Vertical not manned vehicle.With the development of unmanned plane, it is widely used in civil field.Unmanned plane is assembled high
Clear digital camera can be good at completing electric inspection process work, agricultural insurance work, efforts at environmental protection, movie and television play shooting work, street
The work such as scape work, express delivery work, Post disaster relief work and remote sensing mapping.The unmanned plane to work long hours is mostly by external electrical
Source draws a power supply line to fly up into the sky sky, since only one main power source is powered, thus will appear when power supply is powered
When abnormal, the collapse of entire UAV system, and then it is out of control or even the case where fall damage to cause unmanned plane to occur.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of unmanned plane backup battery management system
System, unmanned plane is out of control when solving the problems, such as that abnormal electrical power supply occurs in unmanned plane power supply.
The utility model solves technical solution used by its technical problem are as follows:
A kind of unmanned plane backup battery management system, comprising:
Power supply switch circuit, input terminal are connect with main power source and reserve battery respectively, and output end and unmanned plane motor connect
It connects, the power supply switch circuit is used to switch input power for unmanned plane motor；
Battery information Acquisition Circuit, connect with reserve battery and microcontroller respectively, for acquiring backup battery voltage electricity
Stream information gives the microcontroller；
Microcontroller is connect with the power supply switch circuit, for handle acquisition backup battery voltage current information and
Control the power supply switch circuit switching out-put supply.
Preferably, the power supply switch circuit includes battery main switch circuit, double power supply circuit and power detecting electricity
Road, battery main switch circuit input end PWR are connect with the microcontroller output pin；Double power supply circuit includes main power source
Power supply circuit and reserve battery power supply circuit, reserve battery power supply circuit are connected by power sense circuit and the microcontroller
It connects, the microcontroller control reserve battery power supply circuit opens and closes.
Preferably, the main power source power supply circuit includes diode D5 and diode D6 parallel with one another, diode D5 and
The anode of diode D6 is connect with main power source anode, and the cathode of diode D5 and diode D6 are connect with unmanned plane motor；It is described
Reserve battery power supply circuit includes diode D7, P-channel metal-oxide-semiconductor Q2 and resistance R33, and diode D7 anode and reserve battery connect
It connects, diode D7 cathode is connect with unmanned plane motor, and the grid of P-channel metal-oxide-semiconductor Q2 is connected by resistance R33 and reserve battery anode
It connects, the source electrode of P-channel metal-oxide-semiconductor Q2 is connected with reserve battery anode, the drain electrode of P-channel metal-oxide-semiconductor Q2 and the anode of unmanned plane motor
Connection.
Preferably, the power sense circuit includes triode Q8 and triode Q10, and triode Q8 base stage passes through resistance
R48 is connected with main power source anode and is passed through resistance R52 and is grounded, and triode Q8 base stage is also connect with the microcontroller, triode
Q8 transmitting collection ground connection, triode Q8 collector are connect with reserve battery anode by resistance R46 and are connected with the base stage of triode Q10
It connects, the grid connection of P-channel metal-oxide-semiconductor Q2 described in triode Q10 collector, triode Q10 transmitting collection ground connection.
Preferably, the battery information Acquisition Circuit includes the chip of model BQ76930, and BQ76930 chip passes through limit
Leakage resistance is connected with reserve battery, is acquired reserve battery information and is sent to the microcontroller.
Preferably, the battery information Acquisition Circuit further includes BQ76930 chip start-up circuit, the starting of BQ76930 chip
Circuit connect with the TS1 pin of the BQ76930 chip and provides power input for BQ76930 chip.
Preferably, the microcontroller is also connected with warning circuit.
Preferably, the power supply switch circuit, battery information Acquisition Circuit, microcontroller are integrated into the same encapsulation
It is interior.
Preferably, the microcontroller uses the control chip of model STM8S207K6.
The utility model has the following beneficial effects: the power supply that the utility model switches unmanned plane using power supply switch circuit is defeated
Enter, when main power source power loss, microcontroller controls power supply switch circuit and opens reserve battery power supply, avoids unmanned plane pendant out of control
Machine, and battery information Acquisition Circuit can acquire the current-voltage information of reserve battery to the microcontroller, real time monitoring
The working condition of reserve battery, situations such as capable of finding battery over-voltage or overcurrent charge and discharge in time, is to close reserve battery charge and discharge
Protect reserve battery.
Detailed description of the invention
With reference to the accompanying drawing and specific embodiment the utility model is described in further detail, in which:
Fig. 1 is the structural schematic diagram of the utility model preferred embodiment；
Fig. 2 is the circuit diagram of the power supply switch circuit of the utility model preferred embodiment；
Fig. 3 is the circuit diagram of the battery information Acquisition Circuit of the utility model preferred embodiment；
Fig. 4 is the circuit diagram of the BQ76930 chip start-up circuit of the utility model preferred embodiment；
Fig. 5 is the circuit diagram of the microcontroller of the utility model preferred embodiment.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The utility model embodiment discloses a kind of unmanned plane backup battery management system, comprising: power supply switch circuit
100, microcontroller 300 and battery information Acquisition Circuit 200, the microcontroller 300 use STM8S207K6 chip, and power supply is cut
It changes 100 input terminal of circuit to connect with main power source and reserve battery respectively, output end is connect with unmanned plane motor, the power supply switching
Circuit 100 is used to switch input power for unmanned plane motor；Microcontroller 300 is connect with the power supply switch circuit 100, is used for
It acquires battery information and controls the power supply switch circuit 100.It is described micro- when unmanned plane main power source is due to emergency case power loss
Controller 300 controls power supply switch circuit 100 and opens reserve battery power supply, avoids unmanned plane air crash out of control.Battery information acquisition
Circuit 200 is connect with reserve battery and microcontroller 300 respectively, for acquiring reserve battery current-voltage information to the micro-control
Device 300 processed.The microcontroller 300 can judge the whether normal work of battery according to collected reserve battery current-voltage information
Situations such as making, and monitoring the working condition of reserve battery in real time, can find battery over-voltage or overcurrent charge and discharge in time is to close
Reserve battery charge and discharge protecting reserve battery.The power supply switch circuit 100, microcontroller 300 and battery information Acquisition Circuit
200 are integrated into the same encapsulation, and higher power supply conversion efficiency and more low-power consumption and less component may be implemented in this way
It counts to adapt to the plate grade space reduced,
Referring to fig. 2, the power supply switch circuit 100 includes battery main switch circuit 120,110 and of double power supply circuit
Power sense circuit 130,120 input terminal PWR of battery main switch circuit is connect with the PF4 pin of the microcontroller 300, described
Microcontroller 300 controls general supply on-off by control battery main switch circuit 120；Double power supply circuit 110 includes master
Power-supplying circuit 111 and reserve battery power supply circuit 112 are simultaneously connected by power sense circuit 130 and the microcontroller 300
It connects, the microcontroller 300 controls power supply switching.
Specifically, the main power source power supply circuit 111 includes diode D5 and diode D6 parallel with one another, diode D5
It being connect with the anode of diode D6 with main power source anode, the cathode of diode D5 and diode D6 are connect with unmanned plane motor, and two
The effect of pole pipe D5 and diode D6 are to prevent electric current backflow；
The reserve battery power supply circuit 112 includes diode D7, P-channel metal-oxide-semiconductor Q2 and resistance R33, and diode D7 is just
Pole is connect with reserve battery, and diode D7 cathode is connect with unmanned plane motor, the grid of P-channel metal-oxide-semiconductor Q2 by resistance R33 with
The connection of reserve battery anode, the source electrode of P-channel metal-oxide-semiconductor Q2 are connected with reserve battery anode, the drain electrode and nothing of P-channel metal-oxide-semiconductor Q2
The anode connection of man-machine motor, the effect of diode D7 are on the one hand to prevent electric current backflow, on the other hand do afterflow use, prevent
Only curent change is excessive when main power source power loss；
The power sense circuit 130 includes triode Q8 and triode Q10, triode Q8 base stage by resistance R48 and
Main power source anode connects and passes through resistance R52 and is grounded, and triode Q8 base stage is also connect with the PA1 pin of the microcontroller, and three
Pole pipe Q8 transmitting collection ground connection, triode Q8 collector is connect by resistance R46 with reserve battery anode and the base with triode Q10
Pole connects, the grid connection of P-channel metal-oxide-semiconductor Q2 described in triode Q10 collector, triode Q10 transmitting collection ground connection.Work as main power source
When power loss, triode Q8 base stage is low level, and triode Q8 is not turned on, and the base stage of triode Q10 is high level, triode Q10
Conducting, PMOS-B signal are low level, and metal-oxide-semiconductor Q2 is P-channel metal-oxide-semiconductor, and when low level is connected, and Q2 is connected at this time, reserve battery
It starts to work, accomplishes quickly to cut less than 30 microseconds to reserve battery power supply, whole process is opened from main power source power loss is detected
It changes, ensure that unmanned plane reliability.
Referring to Fig. 3, the battery information Acquisition Circuit 200 includes BQ76930 chip, the input pin of BQ76930 chip
It is connected by the current-limiting resistance that resistance value is 2k ohm with each single battery of reserve battery, acquires each monomer battery voltage of reserve battery
And the microcontroller 300 is sent to by DSC pin and CHG pin.Enabled collection can not only be passed through using BQ76930 chip
The current drain of entire chip is controlled at the submodule in circuit, can also be switched to battery pack using SHIP mode ultralow
Power consumption state.
With further reference to Fig. 4, the battery information Acquisition Circuit 200 further includes BQ76930 chip start-up circuit 210,
BQ76930 chip start-up circuit 210 is connect with the TS1 pin of the BQ76930 chip and to provide power supply for BQ76930 chip defeated
Enter.
Referring to Fig. 5, the PF4 pin of the microcontroller 300 is connected with warning circuit, when unmanned plane main power source power loss,
Power loss is sent by warning circuit while the microcontroller 300 opens reserve battery power supply to alarm to UAV Flight Control
System, UAV Flight Control System receive control unmanned plane landing after alarm signal.
The above, the only better embodiment of the utility model, but the utility model is not limited to above-mentioned reality
Example is applied, as long as its technical effect for reaching the utility model with any same or similar means, all should belong to the utility model
Protection scope.
Claims (9)
1. a kind of unmanned plane backup battery management system characterized by comprising
Power supply switch circuit (100), input terminal is connect with main power source and reserve battery respectively, output end and unmanned plane motor
Connection, the power supply switch circuit (100) are used to switch input power for unmanned plane motor；
Battery information Acquisition Circuit (200) is connect, for acquiring reserve battery respectively with reserve battery and microcontroller (300)
The backup battery voltage current information of acquisition is simultaneously sent to the microcontroller (300) by voltage and current information；
Microcontroller (300) is connect with the power supply switch circuit (100), for handling the backup battery voltage electric current of acquisition
Information and the control power supply switch circuit (100) switch out-put supply.
2. a kind of unmanned plane backup battery management system according to claim 1, it is characterised in that: the power supply switching electricity
Road (100) includes battery main switch circuit (120), double power supply circuit (110) and power sense circuit (130), and power supply is total
The input terminal PWR of switching circuit (120) is connect with the output pin of the microcontroller (300)；Double power supply circuit (110)
Including main power source power supply circuit (111) and reserve battery power supply circuit (112), reserve battery power supply circuit (112) passes through power supply
Detection circuit (130) is connect with the microcontroller (300).
3. a kind of unmanned plane backup battery management system according to claim 2, it is characterised in that: the main power source power supply
Circuit (111) includes diode D5 and diode D6 parallel with one another, the anode of diode D5 and diode D6 with main power source just
The cathode of pole connection, diode D5 and diode D6 are connect with unmanned plane motor；The reserve battery power supply circuit (112) includes
Diode D7, P-channel metal-oxide-semiconductor Q2 and resistance R33, diode D7 anode are connect with reserve battery, diode D7 cathode and nobody
Electromechanical machine connection, the grid of P-channel metal-oxide-semiconductor Q2 are connect by resistance R33 with reserve battery anode, the source electrode of P-channel metal-oxide-semiconductor Q2
It is connected with reserve battery anode, the drain electrode of P-channel metal-oxide-semiconductor Q2 is connect with the anode of unmanned plane motor.
4. a kind of unmanned plane backup battery management system according to claim 3, it is characterised in that: the power detecting electricity
Road (130) includes triode Q8 and triode Q10, and triode Q8 base stage is connected and passed through with main power source anode by resistance R48
Resistance R52 ground connection, triode Q8 base stage are also connect with the microcontroller (300), triode Q8 transmitting collection ground connection, triode Q8
Collector is connect with reserve battery anode and is connect with the base stage of triode Q10 by resistance R46, triode Q10 collector institute
State the grid connection of P-channel metal-oxide-semiconductor Q2, triode Q10 transmitting collection ground connection.
5. a kind of unmanned plane backup battery management system according to claim 1, it is characterised in that: the battery information is adopted
Collector (200) includes the chip of model BQ76930, and BQ76930 chip is connected by current-limiting resistance with reserve battery,
BQ76930 chip is for acquiring reserve battery information and being sent to the microcontroller (300).
6. a kind of unmanned plane backup battery management system according to claim 5, it is characterised in that: the battery information is adopted
Collector (200) further includes BQ76930 chip start-up circuit (210), BQ76930 chip start-up circuit (210) with it is described
The TS1 pin of BQ76930 chip connects and provides power input for BQ76930 chip.
7. a kind of unmanned plane backup battery management system according to claim 1, it is characterised in that: the microcontroller
(300) it is also connected with warning circuit, the microcontroller (300) is alarmed by warning circuit transmission power loss and gives unmanned plane during flying control
System processed.
8. a kind of unmanned plane backup battery management system according to claim 1, it is characterised in that: the power supply switching electricity
Road (100), battery information Acquisition Circuit (200), microcontroller (300) are integrated into the same encapsulation.
9. a kind of unmanned plane backup battery management system according to claim 1, it is characterised in that: the microcontroller
(300) the control chip of model STM8S207K6 is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822144397.8U CN209462076U (en) | 2018-12-20 | 2018-12-20 | A kind of unmanned plane backup battery management system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822144397.8U CN209462076U (en) | 2018-12-20 | 2018-12-20 | A kind of unmanned plane backup battery management system |
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| Publication Number | Publication Date |
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| CN209462076U true CN209462076U (en) | 2019-10-01 |
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| CN201822144397.8U Active CN209462076U (en) | 2018-12-20 | 2018-12-20 | A kind of unmanned plane backup battery management system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112130655A (en) * | 2020-08-28 | 2020-12-25 | 浪潮电子信息产业股份有限公司 | Power supply circuit of equipment to be refreshed and server |
| CN114397957A (en) * | 2022-01-15 | 2022-04-26 | 上海列拓科技有限公司 | Low-power-consumption power management circuit for MCU chip, and MCU chip |
-
2018
- 2018-12-20 CN CN201822144397.8U patent/CN209462076U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112130655A (en) * | 2020-08-28 | 2020-12-25 | 浪潮电子信息产业股份有限公司 | Power supply circuit of equipment to be refreshed and server |
| CN112130655B (en) * | 2020-08-28 | 2022-06-10 | 浪潮电子信息产业股份有限公司 | Power supply circuit of equipment to be refreshed and server |
| CN114397957A (en) * | 2022-01-15 | 2022-04-26 | 上海列拓科技有限公司 | Low-power-consumption power management circuit for MCU chip, and MCU chip |
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