CN207819540U - Solar energy unmanned plane MPPT controller and power supply system equipped with the controller - Google Patents
Solar energy unmanned plane MPPT controller and power supply system equipped with the controller Download PDFInfo
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- CN207819540U CN207819540U CN201820063751.1U CN201820063751U CN207819540U CN 207819540 U CN207819540 U CN 207819540U CN 201820063751 U CN201820063751 U CN 201820063751U CN 207819540 U CN207819540 U CN 207819540U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Abstract
The utility model provides a kind of solar energy unmanned plane MPPT controller and the power supply system equipped with the controller, and the controller includes：Input terminal and output end are separately connected the BUCK BOOST circuits of target photovoltaic array output end and target energy-storage battery input terminal, it is respectively used to acquire the input voltage and input current Acquisition Circuit and output voltage current collection circuit of the BUCK BOOST circuit input ends and output end voltage and electric current in real time, it is respectively used to the battery voltage detection circuit and battery temperature detection circuit of the voltage and temperature of acquisition target energy-storage battery, and the input voltage for being obtained according to above-mentioned Acquisition Circuit, electric current, output voltage, electric current and cell voltage, temperature, controlling the BUCK BOOST circuits follows maximum power point to charge for the target energy-storage battery.The utility model integrated level is high, can effectively simplify system design, enhance system stability and reliability, and can effectively reduce power attenuation, improve efficiency of transmission.
Description
Technical field
The utility model is related to application of solar, are controlled more particularly, to a kind of solar energy unmanned plane MPPT
Device processed and power supply system equipped with the controller.
Background technology
Maximum power point tracking (Maximum Power Point Tracking, MPPT) solar controller refers to will too
The electric energy of positive energy solar panel is converted to the device of the energy resource supply of load with maximum efficiency.It being capable of detecting real-time solar panels
Generating voltage, and track ceiling voltage current value, system made to charge to accumulator with maximum power output.
Under normal conditions, MPPT controller is chased after according to characteristics such as extraneous different environment temperature, intensities of illumination by software
The ceiling voltage current value of track solar array battery input, Maximum Power Output point voltage adjust the output work of photovoltaic array
Rate so that Maximum Power Output, output control terminal are then exported with maximum power point voltage photovoltaic array always.
The control method and system that MPPT functions are realized by software perturbation analysis algorithm, can increase system design difficulty,
Increase failure rate.In addition, output control terminal is exported with maximum power point voltage, needed when output voltage and load voltage mismatch
It wants two times transfer just to can connect to load, will increase power attenuation.
Utility model content
In order to overcome the above problem or solve the above problems at least partly, the utility model provide a kind of solar energy without
Man-machine MPPT controller and power supply system equipped with the controller, to be effectively increased system reliability, and effectively reduce power
Loss improves efficiency of transmission.
On the one hand, the utility model provides a kind of solar energy unmanned plane MPPT controller, including：Input voltage and input current acquires
Circuit, output voltage current collection circuit, battery voltage detection circuit, battery temperature detection circuit, logic control integrated circuit
With BUCK-BOOST circuits；The input terminal and output end of the BUCK-BOOST circuits are separately connected the output of target photovoltaic array
The input terminal at end and target energy-storage battery, the BUCK-BOOST circuits include copped wave inductance and multiple metal-oxide-semiconductors, the BUCK-
BOOST circuits can convert the voltage and current of input；The input voltage and input current Acquisition Circuit accesses the BUCK-
The input terminal of BOOST circuits, input voltage and input current for acquiring the BUCK-BOOST circuits in real time, the output
Voltage and current Acquisition Circuit accesses the output end of the BUCK-BOOST circuits, for acquiring the BUCK-BOOST circuits in real time
Output voltage and output current, the output of the input voltage and input current Acquisition Circuit and the output voltage current collection circuit
End respectively connects the corresponding ports of the logic control integrated circuit respectively；The input terminal of the battery voltage detection circuit and defeated
Outlet is respectively connected to the voltage output end of the target energy-storage battery and the logic control integrated circuit, for acquiring institute in real time
State the voltage of target energy-storage battery；The input terminal and output end of the battery temperature detection circuit are respectively connected to the target energy storage
The heat-generating units of battery and the logic control integrated circuit, the operating temperature for acquiring the target energy-storage battery in real time；
The logic control integrated circuit is according to the input voltage and input current Acquisition Circuit, the output voltage current collection circuit, institute
Battery voltage detection circuit and the respective output data of battery temperature detection circuit are stated, by internal operational amplifier circuit and is patrolled
The combined transformation of circuit is collected, the combination to metal-oxide-semiconductor in the BUCK-BOOST circuits is obtained and controls signal, adjust the BUCK-
The output voltage and output current of BOOST circuits.
Wherein, the logic control integrated circuit further specifically uses LT8490 integrated chips；The LT8490 is integrated
The input pin of input current amplifier connects the output current end of the input voltage and input current Acquisition Circuit in chip, described
The input voltage feedback pin of LT8490 integrated chips connects the output voltage terminal of the input voltage and input current Acquisition Circuit, described
The input analog-to-digital conversion pin and input PWM voltages adjustment pin of LT8490 integrated chips are by connecting the input voltage and input current
The adjustment of conversion and input PWM voltage of the input analog signal to input digital signal is realized in the corresponding port of Acquisition Circuit；Institute
The input pin for stating current amplifiers in LT8490 integrated chips connects the output of the output voltage current collection circuit
Current terminal, the output voltage feedback pin of the LT8490 integrated chips connect the output of the output voltage current collection circuit
Voltage end, the output analog-to-digital conversion pin and output PWM voltages adjustment pin of the LT8490 integrated chips pass through described in connection
The corresponding port of output voltage current collection circuit realizes output analog signal to the conversion of output digit signals and output PWM
The adjustment of voltage；The cell voltage input pin of the LT8490 integrated chips connects the output of the battery voltage detection circuit
Voltage end, the temperature detection pin of the LT8490 integrated chips connect the output temperature end of the battery temperature detection circuit；
The drive control output pin of the LT8490 integrated chips is connected to the corresponding metal-oxide-semiconductor grid control of the BUCK-BOOST circuits
End.
Wherein, the input voltage and input current Acquisition Circuit further comprises：Input voltage and input current acquires resistance R56, input
Measure filter capacitor C84, the first input measurement resistance R24, the second input measurement resistance R68, third input measurement resistance R66,
4th input measurement resistance R55, the 5th input measurement resistance R54, the 6th enter to measure resistance R63, the first input measurement capacitance C90
With the second input measurement capacitance C66；The input voltage and input current acquisition resistance R56 and input measurement filter capacitor C84 is simultaneously
After connecing, the first end of parallelled circuit connects the output end of the target photovoltaic array, and the second end of the parallelled circuit connects institute
State the input terminal of BUCK-BOOST circuits；The first end of the parallelled circuit connects the input current of the LT8490 integrated chips
Amplifier forward direction input pin CSPIN, and be grounded by the first input measurement capacitance C90, the second of the parallelled circuit
After end concatenates the first input measurement resistance R24, the input current amplifier for accessing the LT8490 integrated chips is reversely defeated
Enter pin CSNIN；The first end of the parallelled circuit is sequentially connected in series the second input measurement resistance R68 and third input
After measuring resistance R66, the input analog-to-digital conversion pin FBIR of the LT8490 integrated chips, the second input measurement electricity are accessed
The input voltage feedback of the LT8490 integrated chips is accessed at the connection midpoint of the resistance R68 and third input measurement resistance R66
Pin FBIN, and be grounded by the 5th input measurement resistance R54；The second input measurement resistance R68 and the third
The connection midpoint of input measurement resistance R66 is sequentially connected in series the 4th input measurement resistance R55 and the described 6th and enters to measure resistance
After R63, input PWM voltages adjustment the pin FBIW, the 4th input measurement resistance R55 of the LT8490 integrated chips are accessed
The connection midpoint for entering to measure resistance R63 with the described 6th is grounded by the second input measurement capacitance C66.
Wherein, the output voltage current collection circuit further comprises：Output voltage current acquisition resistance R57, output
Measurement filter capacitor C83, first export and measure resistance R23, the second output measures resistance R13, third exports measurement resistance R16,
4th output measures resistance R71, the 5th output measures resistance R73, the first output measures the outputs of capacitance C87 and second and measures capacitance
C68；The output voltage current acquisition resistance R57 and input measurement filter capacitor C83 is simultaneously connected into the second parallel circuit, institute
The first end for stating the second parallel circuit connects the output end of the BUCK-BOOST circuits, the second end of second parallel circuit
Connect the input terminal of the target energy-storage battery；The first end of second parallel circuit connects the LT8490 integrated chips
Current amplifiers forward direction input pin CSPOUT, and capacitance C87 ground connection is measured by first output, described second simultaneously
After second end concatenation the first output measurement resistance R23 for joining circuit, the output current of the LT8490 integrated chips is accessed
The reversed input pin CSNOUT of amplifier；The second end of second parallel circuit is sequentially connected in series second output and measures resistance
After R13, the 4th output measure resistance R71 and the 5th output measurement resistance R73, the LT8490 integrated chips are accessed
Output PWM voltages adjustment pin FBOW, second output measures resistance R13 and the 4th output measures resistance R71's
Connection midpoint is respectively connected to the output voltage feedback pin FBOUT and output analog-to-digital conversion pin of the LT8490 integrated chips
FBOR, and exported by the third and measure resistance R16 ground connection, the 4th output measures resistance R71 and the 5th output
The connection midpoint for measuring resistance R73 measures capacitance C68 ground connection by second output.
Wherein, the battery temperature detection circuit further comprises：Temperature sensor, temperature measuring resistors R94 and temperature
Measure capacitance C74；The temperature acquisition end of the temperature sensor connects the heat-generating units of the target energy-storage battery, the temperature
The output temperature end of sensor connects the temperature detection pin TEMPSENSE of the LT8490 integrated chips, and passes through the temperature
Degree measures resistance R94 and the temperature measures capacitance C74 and is grounded respectively, described in the energization input connection of the temperature sensor
The DC voltage output end VDD of LT8490 integrated chips.
Wherein, the BUCK-BOOST circuits further comprise：First metal-oxide-semiconductor M1, the second metal-oxide-semiconductor M2, third metal-oxide-semiconductor
M3, the 4th metal-oxide-semiconductor M4 and copped wave inductance L1；The first metal-oxide-semiconductor M1 is sequentially connected in series the copped wave inductance L1 and the 4th MOS
After pipe M4, it is serially connected between the output end of the target photovoltaic array and the input terminal of the target energy-storage battery, described first
The grid control terminal of metal-oxide-semiconductor M1 connects MOS on the first of the LT8490 integrated chips and drives pin TG1, the 4th metal-oxide-semiconductor
The grid control terminal of M4 connects MOS on the second of the LT8490 integrated chips and drives pin TG2；The second metal-oxide-semiconductor M2's
First end connects the connection midpoint of the first metal-oxide-semiconductor M1 and the copped wave inductance L1, the second termination of the second metal-oxide-semiconductor M2
The grid control terminal on ground, the second metal-oxide-semiconductor M2 connects first time MOS driving pins BG1 of the LT8490 integrated chips；Institute
The first end for stating third metal-oxide-semiconductor M3 connects the connection midpoint of the copped wave inductance L1 and the 4th metal-oxide-semiconductor M4, the third
The second end of metal-oxide-semiconductor M3 is grounded, and the grid control terminal of the third metal-oxide-semiconductor M3 connects under the second of the LT8490 integrated chips
MOS drives pin BG2.
Further, the BUCK-BOOST circuits further include：It is attempted by the first metal-oxide-semiconductor M1, described respectively successively
It is second metal-oxide-semiconductor M2, the third metal-oxide-semiconductor M3 and the first spare metal-oxide-semiconductor M1-1 at the both ends the 4th metal-oxide-semiconductor M4, second spare
The spare spare metal-oxide-semiconductor M4-1 of metal-oxide-semiconductor M3-1 and the 4th of metal-oxide-semiconductor M2-1, third；The first spare metal-oxide-semiconductor M1-1 and described the
One metal-oxide-semiconductor M1 is spare each other, and the second spare metal-oxide-semiconductor M2-1 and the second metal-oxide-semiconductor M2 are spare each other, and the third is spare
Metal-oxide-semiconductor M3-1 and the third metal-oxide-semiconductor M3 are spare each other, and the 4th spare metal-oxide-semiconductor M4-1 and the 4th metal-oxide-semiconductor M4 is each other
It is spare.
Wherein, the output voltage feedback pin FBOUT of the LT8490 integrated chips is defeated as the cell voltage simultaneously
Enter pin, second output measures resistance R13 and the 4th output measures the connection mid-point voltage conduct simultaneously of resistance R71
The output voltage terminal of the battery voltage detection circuit.
Further, the controller further include chopper current acquisition resistance R44, the first chopper current measure resistance R8,
Second chopper current measures resistance R9, the first chopper current measures capacitance C12, the second chopper current measures capacitance C14 and third
Chopper current measures capacitance C15；The first end of chopper current acquisition resistance R44 connects the second metal-oxide-semiconductor M2 and described
The second end of third metal-oxide-semiconductor M3, and resistance R8 is measured by first chopper current and accesses the LT8490 integrated chips
Chopper current forward direction input pin CSP, the second end ground connection of the chopper current acquisition resistance R44, and cut by described second
Wave current measurement resistance R9 accesses the reversed input pin CSN of chopper current of the LT8490 integrated chips；The chopper current
Positive input pin CSP measures capacitance C14 ground connection, the reversed input pin of chopper current by second chopper current
CSN measures capacitance C15 ground connection by the third chopper current, and the chopper current forward direction input pin CSP and described cuts
Between the reversed input pin CSN of wave electric current and meet the first chopper current measurement capacitance C1.
On the other hand, the utility model provides a kind of solar energy unmanned plane power supply system, including：Target photovoltaic array, mesh
Mark energy-storage battery and MPPT controller as described above；The output end of the target photovoltaic array connects the MPPT controller
Input terminal, the output end of the MPPT controller connect the input terminal of the target energy-storage battery, the target energy-storage battery
The energization input of output end linking objective solar energy unmanned plane load.
A kind of solar energy unmanned plane MPPT controller provided by the utility model and the power supply system equipped with the controller, entirely
Portion's function builds completion by hardware circuit and integrated chip, and integrated level higher can effectively simplify system design, and enhancing system is steady
It is qualitative, reduce the probability that failure occurs.In addition, output voltage can effectively be dropped according to the working condition adjust automatically of load
Low-power consumption improves efficiency of transmission.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of solar energy unmanned plane MPPT controller of the utility model embodiment；
Fig. 2 is the partial function pin schematic diagram used in a kind of LT8490 integrated chips of the utility model embodiment；
Fig. 3 is a kind of structural schematic diagram of input voltage and input current Acquisition Circuit of the utility model embodiment；
Fig. 4 is a kind of structural schematic diagram of output voltage current collection circuit of the utility model embodiment；
Fig. 5 is a kind of structural schematic diagram of battery temperature detection circuit of the utility model embodiment；
Fig. 6 is a kind of structural schematic diagram of BUCK-BOOST circuits of the utility model embodiment；
Fig. 7 is a kind of structural schematic diagram of copped wave inductive current detection circuit of the utility model embodiment；
Fig. 8 is a kind of structural schematic diagram of solar energy unmanned plane power supply system of the utility model embodiment.
Specific implementation mode
To keep the purpose of this utility model, technical solution and advantage clearer, implement below in conjunction with the utility model
Attached drawing in example, is clearly and completely described the technical solution in the utility model, it is clear that described embodiment is
A part of the embodiment of the utility model, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
The every other embodiment that logical technical staff is obtained without making creative work, belongs to the utility model
The range of protection.
As the one side of the utility model embodiment, the present embodiment provides a kind of solar energy unmanned plane MPPT controls
Device is a kind of structural schematic diagram of solar energy unmanned plane MPPT controller of the utility model embodiment with reference to figure 1, including：Input
Voltage and current Acquisition Circuit 1, output voltage current collection circuit 2, battery voltage detection circuit 3, battery temperature detection circuit 4,
Logic control integrated circuit 5 and BUCK-BOOST circuits 6.Wherein,
The input terminal and output end of BUCK-BOOST circuits 6 are separately connected output end and the target storage of target photovoltaic array 7
The input terminal of energy battery 8, BUCK-BOOST circuits 6 include copped wave inductance and multiple metal-oxide-semiconductors, and BUCK-BOOST circuits 6 can be to defeated
The voltage and current entered is converted.
Input voltage and input current Acquisition Circuit 1 accesses the input terminal of BUCK-BOOST circuits 6, for acquiring BUCK- in real time
The input voltage and input current of BOOST circuits 6.Output voltage current collection circuit 2 accesses the output of BUCK-BOOST circuits 6
End, output voltage and output current for acquiring BUCK-BOOST circuits 6 in real time.Input voltage and input current Acquisition Circuit 1 and defeated
The output end for going out voltage and current Acquisition Circuit 2 respectively connects the corresponding ports of logic control integrated circuit 5 respectively.
The input terminal and output end of battery voltage detection circuit 3 be respectively connected to target energy-storage battery 8 voltage output end and
Logic control integrated circuit 5, the voltage for acquiring target energy-storage battery 8 in real time.The input terminal of battery temperature detection circuit 4 and
Output end is respectively connected to the heat-generating units and logic control integrated circuit 5 of target energy-storage battery 8, for acquiring target energy storage in real time
The operating temperature of battery 8.Logic control integrated circuit 5 is according to input voltage and input current Acquisition Circuit 1, output voltage current acquisition electricity
4 respective output data of road 2, battery voltage detection circuit 3 and battery temperature detection circuit by internal operational amplifier circuit and is patrolled
The combined transformation of circuit is collected, the combination to metal-oxide-semiconductor in BUCK-BOOST circuits 6 is obtained and controls signal, adjust BUCK-BOOST electricity
The output voltage and output current on road 6.
It is to be understood that the solar energy unmanned plane MPPT controller of the present embodiment uses above-mentioned connection structure, BUCK- is utilized
BOOST circuits 6 realize the output electric energy of target photovoltaic array 7 to the conversion of the rechargeable electrical energy of target energy-storage battery 8.Specifically to patrol
Control integrated circuit 5 center in order to control is collected, externally measured and control is built using each functional pin of logic control integrated circuit 5
Circuit.
When controller is run, the input voltage and input current Acquisition Circuit 1 of 6 input terminal of access BUCK-BOOST circuits acquires in real time
The input terminal voltage and input current of BUCK-BOOST circuits 6, also the as output voltage of target light photovoltaic array 7 and output is electric
Stream, and the data of acquisition are input to logic control integrated circuit 5.
Meanwhile battery voltage detection circuit 3 detects the both end voltage of target energy-storage battery 8, battery temperature detection electricity in real time
The operating temperature of target energy-storage battery 8 is detected on road 4 in real time, and testing result is input to logic control integrated circuit 5 respectively, makees
For the control targe of transformation of electrical energy circuit.The output voltage current collection circuit 2 for accessing 6 output end of BUCK-BOOST circuits is real-time
The output end voltage and output current of BUCK-BOOST circuits 6 are acquired, and the data of acquisition are input to the integrated electricity of logic control
Road 5, the feedback signal as final output voltage and current.
Input that logic control integrated circuit 5 inputs corresponding function pin by internal operational amplifier circuit, output current
The small signal of conversion zooms into the voltage value that can be identified by logic circuit.Meanwhile logic control integrated circuit 5 is according to defeated
Enter, output voltage and the size of electric current and the temperature and voltage change of target energy-storage battery, passes through the group of internal logic circuit
Close transformation, the logical signal of output control BUCK-BOOST circuits 6, and corresponding metal-oxide-semiconductor in adjustment BUCK-BOOST circuits 6 accordingly
Duty ratio, realize control to 8 voltage, temperature characterisitic of output voltage current following target energy-storage battery.And with constant current constant voltage
(Constant-current constant-voltage, CCCV) control mode turns the electric energy maximal efficiency of photovoltaic array
It is melted into the energy of energy storage polymer target energy-storage battery 8 and load equipment.
The target energy-storage battery 8 of the present embodiment can be energy storage poly-lithium battery.
A kind of solar energy unmanned plane MPPT controller that the utility model embodiment provides, repertoire by hardware circuit and
Integrated chip builds completion, and integrated level higher can effectively simplify system design, enhance system stability, reduce failure
Probability.In addition, output voltage can effectively reduce power attenuation according to the working condition adjust automatically of load, improves and pass
Defeated efficiency.
Wherein optional, logic control integrated circuit 5 further specifically uses LT8490 integrated chips.Wherein,
The input pin connection input voltage and input current Acquisition Circuit 1 of input current amplifier is defeated in LT8490 integrated chips
Go out current terminal, the output voltage of the input voltage feedback pin connection input voltage and input current Acquisition Circuit 1 of LT8490 integrated chips
End.The input analog-to-digital conversion pin and input PWM voltages adjustment pin of LT8490 integrated chips are by connecting input voltage and input current
The adjustment of conversion and input PWM voltage of the input analog signal to input digital signal is realized in the corresponding port of Acquisition Circuit 1.
The input pin connection output voltage current collection circuit 2 of current amplifiers is defeated in LT8490 integrated chips
Go out current terminal, the output voltage of the output voltage feedback pin connection output voltage current collection circuit 2 of LT8490 integrated chips
End, the output analog-to-digital conversion pin and output PWM voltages adjustment pin of LT8490 integrated chips are by connecting output voltage electric current
Adjustment of the output analog signal to the conversion of output digit signals and output PWM voltages is realized in the corresponding port of Acquisition Circuit 2.
Meanwhile the output voltage of the cell voltage input pin connection battery voltage detection circuit 3 of LT8490 integrated chips
End, the output temperature end of the temperature detection pin connection battery temperature detection circuit 4 of LT8490 integrated chips.And LT8490 is integrated
The drive control output pin of chip is connected to the corresponding metal-oxide-semiconductor grid control terminal of BUCK-BOOST circuits 6.
It is to be understood that the present embodiment specifically selects the LT8490 integrated chip conducts of Linear Technology companies
Logic control integrated circuit 5, with reference to figure 2, for the part work(used in a kind of LT8490 integrated chips of the utility model embodiment
It can pin schematic diagram.Wherein,
CSNIN and CSPIN indicates the reversed input pin of input current amplifier and positive input pin, VIN tables respectively
Show that chip power voltage input pin, VINR indicate that VIN measures feedback pin, FBIN indicates input voltage feedback pin, FBIR
Indicate that input analog-to-digital conversion pin, FBIW indicate that input PWM voltages adjust pin, VDD indicates chip DC voltage output end.
CSPOUT and CSNPOUT indicates the positive input pin of current amplifiers and reversed input pin respectively,
FBOUT indicates that output voltage feedback pin, FBOR indicate that output analog-to-digital conversion pin, FBOW indicate that output PWM voltages adjustment is drawn
Foot.
In one embodiment, FBOUT is also used as cell voltage input pin.
TEMPSENSE indicates the temperature detection pin of chip.
TG1, TG2 indicate that MOS drives MOS drivings pin on pin and second, BG1, BG2 difference on the first of chip respectively
The first time MOS driving pins and second time MOS for indicating chip drive pin, and SW1, SW2 indicate the first and second bootstrappings respectively
Capacitor anode pin, BOOST1, BOOST2 indicate the first and second boottrap capacitor anode pins, CSP, CSN difference respectively
Indicate the chopper current forward direction input pin of chip and reversed input pin.
Using the corresponding function pin integrated in LT8490 integrated chips, pass through the design to chip periphery circuit, acquisition
Output and input voltage electricity, stream mode realize the maximum conversion of electric energy using MPPT algorithm.Meanwhile detecting load target storage
Can battery 8 voltage and state of temperature, by constant current constant voltage (CCCV) control mode safely and fast by power storage to target
In energy-storage battery 8.
It is wherein optional, with reference to figure 3, show for a kind of structure of input voltage and input current Acquisition Circuit of the utility model embodiment
It is intended to, input voltage and input current Acquisition Circuit 1 further comprises in figure：Input voltage and input current acquires resistance R56, input measurement filtering
Capacitance C84, the first input measurement resistance R24, the second input measurement resistance R68, third input measurement resistance R66, the 4th input
Measure that resistance R55, the 5th input measurement resistance R54, the 6th to enter to measure resistance R63, the first input measurement capacitance C90 and second defeated
Enter to measure capacitance C66.Wherein,
After input voltage and input current acquires resistance R56 and input measurement filter capacitor C84 and connects, the first end of parallelled circuit connects
Connect the output end of target photovoltaic array 7, the input terminal of the second end connection BUCK-BOOST circuits 6 of parallelled circuit.Parallelled circuit
First end connection LT8490 integrated chips input current amplifier forward direction input pin CSPIN, and pass through first input survey
Measure capacitance C90 ground connection.After the second end of parallelled circuit concatenates the first input measurement resistance R24, accesses the LT8490 and integrate core
The reversed input pin CSNIN of input current amplifier of piece.The first end of parallelled circuit is sequentially connected in series the second input measurement resistance
After R68 and third input measurement resistance R66, the input analog-to-digital conversion pin FBIR of LT8490 integrated chips is accessed.
LT8490 integrated chips are accessed at the connection midpoint of second input measurement resistance R68 and third input measurement resistance R66
Input voltage feedback pin FBIN, and pass through the 5th input measurement resistance R54 ground connection.Second input measurement resistance R68 and
The connection midpoint of three input measurement resistance R66 is sequentially connected in series after the 4th input measurement resistance R55 and the 6th enters to measure resistance R63,
Access the input PWM voltages adjustment pin FBIW of LT8490 integrated chips.4th input measurement resistance R55 and the 6th enters to measure electricity
The connection midpoint for hindering R63 passes through the second input measurement capacitance C66 ground connection.
It is to be understood that when controller is run, the value by adjusting input voltage and input current acquisition resistance R56 acquires target light
The output voltage and output current of photovoltaic array 7, the i.e. input voltage and input current of BUCK-BOOST circuits 6.Specifically when input
Voltage and current acquire resistance R56 value it is small to maximum setting limit value when, pass through and acquire input voltage and input current and acquire the both ends resistance R56
Voltage value, measure the size of input current.When the value of input voltage and input current acquisition resistance R56 arrives greatly minimum setting limit value,
The partial pressure that resistance R56 is acquired by acquiring input voltage and input current, measures the size of input voltage.
It is wherein optional, with reference to figure 4, show for a kind of structure of output voltage current collection circuit of the utility model embodiment
It is intended to, output voltage current collection circuit 2 further comprises in figure：Output voltage current acquisition resistance R57, output measure filtering
Capacitance C83, the first output measure resistance R23, the second output measures resistance R13, third output measures resistance R16, the 4th output
Measure resistance R71, the 5th output measures resistance R73, the first output measures the outputs of capacitance C87 and second and measures capacitance C68.Its
In,
Output voltage current acquisition resistance R57 and input measurement filter capacitor C83 are simultaneously connected into the second parallel circuit, and described the
The output end of the first end connection BUCK-BOOST circuits 6 of two parallel circuits, the second end of second parallel circuit connect mesh
Mark the input terminal of energy-storage battery 8.The first end of second parallel circuit connects the output current of the LT8490 integrated chips
Amplifier forward direction input pin CSPOUT, and capacitance C87 ground connection is measured by the first output.The second of second parallel circuit
After concatenation the first output in end measures resistance R23, the reversed input pin of current amplifiers of LT8490 integrated chips is accessed
CSNOUT.The second end of second parallel circuit is sequentially connected in series the second output and measures resistance R13, the 4th output measurement resistance
After the outputs of R71 and the 5th measure resistance R73, the output PWM voltages adjustment pin FBOW of access LT8490 integrated chips.
It is integrated that the connection midpoint of the second output output measurement resistance of measurement resistance R13 and the 4th R71 is respectively connected to LT8490
The output voltage feedback pin FBOUT and output analog-to-digital conversion pin FBOR of chip, and measurement resistance R16 is exported by third and is connect
Ground.The connection midpoint that 4th output measures the output measurement resistance of resistance R71 and the 5th R73 measures capacitance C68 by the second output
Ground connection.
It is to be understood that when controller is run, BUCK- is acquired by adjusting the value of output voltage current acquisition resistance R57
The output voltage and input current of BOOST circuits 6.The specific value for working as output voltage current acquisition resistance R57 is small to the second maximum
When setting limit value, by acquiring the voltage value at the both ends output voltage current acquisition resistance R57, the size of output current is measured.When
When the value of output voltage current acquisition resistance R57 sets limit value to the second minimum greatly, passes through and acquire output voltage current acquisition electricity
The partial pressure for hindering R57, measures the size of output voltage.
It is wherein optional, it is a kind of structural representation of battery temperature detection circuit of the utility model embodiment with reference to figure 5
Scheme, battery temperature detection circuit 4 further comprises in figure：Temperature sensor, temperature measuring resistors R94 and temperature measure capacitance
C74.Wherein,
The heat-generating units of the temperature acquisition end linking objective energy-storage battery 8 of temperature sensor, the connection of output temperature end
The temperature detection pin TEMPSENSE of LT8490 integrated chips, and capacitance C74 is measured by temperature measuring resistors R94 and temperature
It is grounded respectively.The DC voltage output end VDD of the energization input connection LT8490 integrated chips of temperature sensor.
It is to be understood that heat specifically can be used by the temperature of temperature sensor measurement target energy-storage battery in the present embodiment
Galvanic couple is measured into trip temperature.The temperature output signal that thermocouple measures is input to the temperature detection pin of LT8490 integrated chips
TEMPSENSE analyzes target energy-storage battery characteristic accordingly for LT8490 integrated chips.
It is wherein optional, it is a kind of structural schematic diagram of BUCK-BOOST circuits of the utility model embodiment with reference to figure 6,
BUCK-BOOST circuits 6 further comprise in figure：First metal-oxide-semiconductor M1, the second metal-oxide-semiconductor M2, third metal-oxide-semiconductor M3, the 4th metal-oxide-semiconductor M4
With copped wave inductance L1.Wherein,
After first metal-oxide-semiconductor M1 is sequentially connected in series copped wave inductance L1 and the 4th metal-oxide-semiconductor M4, it is serially connected in the defeated of target photovoltaic array 7
Between outlet and the input terminal of target energy-storage battery 8.The of the grid control terminal connection LT8490 integrated chips of first metal-oxide-semiconductor M1
MOS drives pin TG1 on one.
MOS driving pins TG2 on the second of the grid control terminal connection LT8490 integrated chips of 4th metal-oxide-semiconductor M4.Second
The connection midpoint of first end connection the first metal-oxide-semiconductor M1 and copped wave inductance L1 of metal-oxide-semiconductor M2.The second end of second metal-oxide-semiconductor M2 is grounded,
And second first time MOS of grid control terminal connection LT8490 integrated chips of metal-oxide-semiconductor M2 drive pin BG1.
The connection midpoint of first end connection the copped wave inductance L1 and the 4th metal-oxide-semiconductor M4 of third metal-oxide-semiconductor M3, third metal-oxide-semiconductor M3
Second end ground connection, and the grid control terminal of third metal-oxide-semiconductor M3 connect the LT8490 integrated chips second time MOS drive draw
Foot BG2.
It is to be understood that BUCK-BOOST circuits 6 are built by aforementioned four metal-oxide-semiconductor and a copped wave inductance L1
Transformation of electrical energy circuit.The on off state that metal-oxide-semiconductor is controlled by combination adjusts the size of output voltage and electric current.
Further, with reference to figure 6, BUCK-BOOST circuits 6 further include：It is attempted by the first metal-oxide-semiconductor M1, second respectively successively
Metal-oxide-semiconductor M2, third metal-oxide-semiconductor M3 and the first spare metal-oxide-semiconductor M1-1 at the 4th both ends metal-oxide-semiconductor M4, the second spare metal-oxide-semiconductor M2-1,
The three spare spare metal-oxide-semiconductor M4-1 of metal-oxide-semiconductor M3-1 and the 4th.Wherein,
First spare metal-oxide-semiconductor M1-1 and the first metal-oxide-semiconductor M1 are spare each other, the second spare metal-oxide-semiconductor M2-1 and the second metal-oxide-semiconductor M2
Spare each other, third spare metal-oxide-semiconductor M3-1 and third metal-oxide-semiconductor M3 is spare each other, the 4th spare metal-oxide-semiconductor M4-1 and the 4th metal-oxide-semiconductor
M4 is spare each other.
The present embodiment realizes Redundant Control, can effectively improve system by the spare pipe of four metal-oxide-semiconductors in setting circuit
Stability and reliability.
Wherein optional, the output voltage feedback pin FBOUT of LT8490 integrated chips is inputted as cell voltage simultaneously
Pin, the second output measure the outputs of resistance R13 and the 4th and measure the connection mid-point voltage of resistance R71 while being examined as cell voltage
The output voltage terminal of slowdown monitoring circuit 3.
It is to be understood that the input terminal of the output end linking objective energy-storage battery 8 of BUCK-BOOST circuits 6, stores up target
Energy battery 8 charges, therefore the voltage of target energy-storage battery 8 is identical as the output voltage of BUCK-BOOST circuits 6.Output electricity
Pressure uses same voltage collection circuit with battery voltage acquisition.
Further, the controller further includes copped wave inductive current detection circuit, is that the utility model is real with reference to figure 7
Apply a kind of structural schematic diagram of copped wave inductive current detection circuit of example, the controller further include chopper current acquisition resistance R44,
First chopper current measures resistance R8, the second chopper current measures resistance R9, the first chopper current measures capacitance C12, second cuts
Wave current measurement capacitance C14 and third chopper current measure capacitance C15.Wherein,
Chopper current acquires the second end of first end connection the second metal-oxide-semiconductor M2 and third metal-oxide-semiconductor M3 of resistance R44, and leads to
Cross the chopper current forward direction input pin CSP that the first chopper current measures resistance R8 access LT8490 integrated chips.Chopper current
The second end ground connection of resistance R44 is acquired, and the copped wave that resistance R9 accesses LT8490 integrated chips is measured by the second chopper current
The reversed input pin CSN of electric current.
Chopper current forward direction input pin CSP measures capacitance C14 ground connection by the second chopper current, and chopper current is reversely defeated
Enter pin CSN and capacitance C15 ground connection, and chopper current forward direction input pin CSP and chopper current are measured by third chopper current
Between reversed input pin CSN and meet the first chopper current measurement capacitance C1.
The utility model embodiment detects electricity by the way that copped wave inductive current is arranged in the controller according to above-described embodiment
Road measures the electric current for flowing through copped wave inductance L1, can be used for the fault diagnosis of circuit, further increase system reliability.
As the other side of the utility model embodiment, the present embodiment provides a kind of power supplies of solar energy unmanned plane to be
System is a kind of structural schematic diagram of solar energy unmanned plane power supply system of the utility model embodiment with reference to figure 8, including：Target light
Photovoltaic array 7, target energy-storage battery 8 and the MPPT controller 9 as described in above-described embodiment.Wherein,
The input terminal of the output end connection MPPT controller 9 of target photovoltaic array 7, and the output end of MPPT controller 9 connects
Connect the input terminal of target energy-storage battery 8.The power supply of the output end linking objective solar energy unmanned plane load 10 of target energy-storage battery
Input terminal.
It is to be understood that the supply voltage needed for the power load of unmanned plane is a fixed burning voltage, but usually
The dynamical system of unmanned plane is dynamic lithium battery.In target solar energy unmanned plane load 10, when being powered to unmanned plane,
Using the power supply system being made of target photovoltaic array 7, target energy-storage battery 8 and the MPPT controller 9 as described in above-described embodiment
System is used as power supply.Target energy-storage battery 8 therein can be energy storage poly-lithium battery.Target solar energy unmanned plane loads
When 10 work, by MPPT controller 9 by the voltage transformation of output end at the variable voltage for following power energy-storage lithium battery characteristic,
It charges for target energy-storage battery 8, and a fixed burning voltage is provided for it by target energy-storage battery 8.
Target photovoltaic array 7 converts the solar energy of collection to electric energy, charges for target energy-storage battery 8.Due to polymer
Lithium battery is very sensitive for temperature, when too high or too low for temperature, cannot carry out charging operations to lithium battery.Therefore, into
In row charging process, MPPT controller 9 needs to detect the real time temperature and real-time voltage of lithium battery, in combination with the input of acquisition
Voltage, electric current, output voltage, electric current export voltage or the electric current of variation to reach maximum transformation efficiency.When the temperature of lithium battery
There is exception in degree, is automatically stopped the charging action to lithium battery.
In addition, the output of the present embodiment is CCCV modes, according to output lithium battery and the case where load equipment, realize maximum
Efficiency photovoltaic array energy transmission to lithium battery and load equipment.
A kind of solar energy unmanned plane power supply system that the utility model embodiment provides, repertoire is by hardware circuit sum aggregate
Completion is built at chip, integrated level higher can effectively simplify system design, enhance system stability, reduce what failure occurred
Probability.In addition, output voltage can effectively reduce power attenuation according to the working condition adjust automatically of load, transmission is improved
Efficiency.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that：Its according to
So can be with technical scheme described in the above embodiments is modified, or which part technical characteristic is equally replaced
It changes；And these modifications or replacements, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (10)
1. a kind of solar energy unmanned plane MPPT controller, which is characterized in that including：Input voltage and input current Acquisition Circuit, output electricity
Current voltage Acquisition Circuit, battery voltage detection circuit, battery temperature detection circuit, logic control integrated circuit and BUCK-BOOST
Circuit；
The input terminal and output end of the BUCK-BOOST circuits are separately connected output end and the target energy storage of target photovoltaic array
The input terminal of battery, the BUCK-BOOST circuits include copped wave inductance and multiple metal-oxide-semiconductors, and the BUCK-BOOST circuits can be right
The voltage and current of input is converted；
The input voltage and input current Acquisition Circuit accesses the input terminal of the BUCK-BOOST circuits, described in acquiring in real time
The input voltage and input current of BUCK-BOOST circuits, the output voltage current collection circuit access the BUCK-BOOST
The output end of circuit, output voltage and output current for acquiring the BUCK-BOOST circuits in real time, the input voltage
The output end of current collection circuit and the output voltage current collection circuit respectively connects the integrated electricity of the logic control respectively
The corresponding ports on road；
The input terminal and output end of the battery voltage detection circuit are respectively connected to the voltage output end of the target energy-storage battery
With the logic control integrated circuit, the voltage for acquiring the target energy-storage battery in real time；The battery temperature detection electricity
The input terminal and output end on road are respectively connected to the heat-generating units of the target energy-storage battery and the logic control integrated circuit, use
In the operating temperature for acquiring the target energy-storage battery in real time；
The logic control integrated circuit is according to the input voltage and input current Acquisition Circuit, output voltage current acquisition electricity
Road, the battery voltage detection circuit and the respective output data of battery temperature detection circuit pass through internal amplifier electricity
The combined transformation on road and logic circuit obtains the combination to metal-oxide-semiconductor in the BUCK-BOOST circuits and controls signal, described in adjusting
The output voltage and output current of BUCK-BOOST circuits.
2. controller according to claim 1, which is characterized in that the logic control integrated circuit further specifically uses
LT8490 integrated chips；
The input pin of input current amplifier connects the input voltage and input current Acquisition Circuit in the LT8490 integrated chips
Output current end, the input voltage feedback pins of the LT8490 integrated chips connects the input voltage and input current Acquisition Circuit
Output voltage terminal, the input analog-to-digital conversion pins of the LT8490 integrated chips and input PWM voltages adjustment pin pass through company
It connects the corresponding port of the input voltage and input current Acquisition Circuit, realizes input analog signal to the conversion of input digital signal and defeated
Enter the adjustment of PWM voltages；
The input pin of current amplifiers connects the output voltage current collection circuit in the LT8490 integrated chips
Output current end, the output voltage feedback pins of the LT8490 integrated chips connects the output voltage current collection circuit
Output voltage terminal, the output analog-to-digital conversion pins of the LT8490 integrated chips and output PWM voltages adjustment pin pass through company
It connects the corresponding port of the output voltage current collection circuit, realizes output analog signal to the conversion of output digit signals and defeated
Go out the adjustment of PWM voltages；
The cell voltage input pin of the LT8490 integrated chips connects the output voltage terminal of the battery voltage detection circuit,
The temperature detection pin of the LT8490 integrated chips connects the output temperature end of the battery temperature detection circuit；It is described
The drive control output pin of LT8490 integrated chips is connected to the corresponding metal-oxide-semiconductor grid control terminal of the BUCK-BOOST circuits.
3. controller according to claim 2, which is characterized in that the input voltage and input current Acquisition Circuit is further wrapped
It includes：Input voltage and input current acquires resistance R56, input measurement filter capacitor C84, the first input measurement resistance R24, the second input survey
Amount resistance R68, third input measurement resistance R66, the 4th input measurement resistance R55, the 5th input measurement resistance R54, the 6th enter
Measure resistance R63, the first input measurement capacitance C90 and the second input measurement capacitance C66；
After the input voltage and input current acquires the resistance R56 and input measurement filter capacitor C84 and connects, the first of parallelled circuit
End connects the output end of the target photovoltaic array, and the second end of the parallelled circuit connects the defeated of the BUCK-BOOST circuits
Enter end；
The first end of the parallelled circuit connects the input current amplifier forward direction input pin of the LT8490 integrated chips
CSPIN, and be grounded by the first input measurement capacitance C90, second end concatenation first input of the parallelled circuit
After measuring resistance R24, the reversed input pin CSNIN of input current amplifier of the LT8490 integrated chips is accessed；
The first end of the parallelled circuit is sequentially connected in series the second input measurement resistance R68 and the third input measurement resistance
After R66, access the LT8490 integrated chips input analog-to-digital conversion pin FBIR, the second input measurement resistance R68 and
The input voltage feedback pin of the LT8490 integrated chips is accessed at the connection midpoint of the third input measurement resistance R66
FBIN, and be grounded by the 5th input measurement resistance R54；
The connection midpoint of the second input measurement resistance R68 and the third input measurement resistance R66 are sequentially connected in series described
After four input measurement resistance R55 and the described 6th enter to measure resistance R63, the input PWM electricity of the LT8490 integrated chips is accessed
Pressure adjustment pin FBIW, the 4th input measurement resistance R55 and the 6th connection midpoint for entering to measure resistance R63 pass through institute
State the second input measurement capacitance C66 ground connection.
4. controller according to claim 2 or 3, which is characterized in that the output voltage current collection circuit is further
Including：Output voltage current acquisition resistance R57, output measure filter capacitor C83, the first output measures resistance R23, the second output
Measure resistance R13, third output measures resistance R16, the 4th output measures resistance R71, the 5th output measures resistance R73, first
Output measures the outputs of capacitance C87 and second and measures capacitance C68；
The output voltage current acquisition resistance R57 measures filter capacitor C83 with the output and is connected into the second parallel circuit, institute
The first end for stating the second parallel circuit connects the output end of the BUCK-BOOST circuits, the second end of second parallel circuit
Connect the input terminal of the target energy-storage battery；
The current amplifiers forward direction input that the first end of second parallel circuit connects the LT8490 integrated chips is drawn
Foot CSPOUT, and capacitance C87 ground connection is measured by first output, the second end concatenation of second parallel circuit described the
After one output measures resistance R23, the reversed input pin CSNOUT of current amplifiers of the LT8490 integrated chips is accessed；
The second end of second parallel circuit is sequentially connected in series second output and measures resistance R13, the 4th output measurement
After resistance R71 and the 5th output measure resistance R73, the output PWM voltages adjustment for accessing the LT8490 integrated chips is drawn
The connection midpoint that foot FBOW, the second output measurement resistance R13 and the 4th output measure resistance R71 is respectively connected to described
The output voltage feedback pin FBOUT and output analog-to-digital conversion pin FBOR of LT8490 integrated chips, and it is defeated by the third
Go out to measure resistance R16 ground connection, the 4th output measures resistance R71 and the 5th output measures the connection midpoint of resistance R73
Capacitance C68 ground connection is measured by second output.
5. controller according to claim 2, which is characterized in that the battery temperature detection circuit further comprises：Temperature
It spends sensor, temperature measuring resistors R94 and temperature and measures capacitance C74；Described in the temperature acquisition end connection of the temperature sensor
The heat-generating units of target energy-storage battery, the output temperature end of the temperature sensor connect the temperature of the LT8490 integrated chips
Pin TEMPSENSE is detected, and capacitance C74 is measured by the temperature measuring resistors R94 and the temperature and is grounded respectively, it is described
The energization input of temperature sensor connects the DC voltage output end VDD of the LT8490 integrated chips.
6. controller according to claim 2, which is characterized in that the BUCK-BOOST circuits further comprise：First
Metal-oxide-semiconductor M1, the second metal-oxide-semiconductor M2, third metal-oxide-semiconductor M3, the 4th metal-oxide-semiconductor M4 and copped wave inductance L1；
After the first metal-oxide-semiconductor M1 is sequentially connected in series the copped wave inductance L1 and the 4th metal-oxide-semiconductor M4, it is serially connected in the target light
Between the output end of photovoltaic array and the input terminal of the target energy-storage battery, the grid control terminal of the first metal-oxide-semiconductor M1 connects
MOS drives described in the grid control terminal connection of pin TG1, the 4th metal-oxide-semiconductor M4 on the first of the LT8490 integrated chips
MOS drives pin TG2 on the second of LT8490 integrated chips；
The first end of the second metal-oxide-semiconductor M2 connects the connection midpoint of the first metal-oxide-semiconductor M1 and the copped wave inductance L1, described
The second end of second metal-oxide-semiconductor M2 is grounded, and the grid control terminal of the second metal-oxide-semiconductor M2 connects the of the LT8490 integrated chips
Once MOS drives pin BG1；
The first end of the third metal-oxide-semiconductor M3 connects the connection midpoint of the copped wave inductance L1 and the 4th metal-oxide-semiconductor M4, described
The second end of third metal-oxide-semiconductor M3 is grounded, and the grid control terminal of the third metal-oxide-semiconductor M3 connects the of the LT8490 integrated chips
Two times MOS driving pins BG2.
7. controller according to claim 6, which is characterized in that the BUCK-BOOST circuits further include：Distinguish successively
It is attempted by the first metal-oxide-semiconductor M1, the second metal-oxide-semiconductor M2, the third metal-oxide-semiconductor M3 and the both ends the 4th metal-oxide-semiconductor M4
First spare metal-oxide-semiconductor M1-1, the second spare metal-oxide-semiconductor M2-1, the spare spare metal-oxide-semiconductor M4-1 of metal-oxide-semiconductor M3-1 and the 4th of third；
The first spare metal-oxide-semiconductor M1-1 and the first metal-oxide-semiconductor M1 are spare each other, the second spare metal-oxide-semiconductor M2-1 and institute
It is spare each other to state the second metal-oxide-semiconductor M2, the spare metal-oxide-semiconductor M3-1 of third and the third metal-oxide-semiconductor M3 are spare each other, and the described 4th
Spare metal-oxide-semiconductor M4-1 and the 4th metal-oxide-semiconductor M4 are spare each other.
8. controller according to claim 4, which is characterized in that the output voltage feedback of the LT8490 integrated chips is drawn
Foot FBOUT is used as the cell voltage input pin simultaneously, and second output measures resistance R13 and the 4th output measures
The connection mid-point voltage of resistance R71 while the output voltage terminal as the battery voltage detection circuit.
9. the controller described according to claim 6 or 7, which is characterized in that further include chopper current acquisition resistance R44, first
Chopper current measures resistance R8, the second chopper current measures resistance R9, the first chopper current measures capacitance C12, the second copped wave electricity
Flow measurement capacitance C14 and third chopper current measure capacitance C15；
The first end of the chopper current acquisition resistance R44 connects the second of the second metal-oxide-semiconductor M2 and the third metal-oxide-semiconductor M3
End, and by first chopper current measure resistance R8 access the LT8490 integrated chips chopper current forward direction input draw
Foot CSP, the second end ground connection of the chopper current acquisition resistance R44, and resistance R9 is measured by second chopper current and is connect
Enter the reversed input pin CSN of chopper current of the LT8490 integrated chips；
The chopper current forward direction input pin CSP measures capacitance C14 ground connection, the copped wave electricity by second chopper current
It flows reversed input pin CSN and capacitance C15 ground connection is measured by the third chopper current, and chopper current forward direction input is drawn
Between foot CSP and the reversed input pin CSN of the chopper current and meet the first chopper current measurement capacitance C1.
10. a kind of solar energy unmanned plane power supply system, which is characterized in that including：Target photovoltaic array, target energy-storage battery and such as
Any MPPT controller in claim 1 to 9；The output end of the target photovoltaic array connects the MPPT controller
Input terminal, the output end of the MPPT controller connects the input terminal of the target energy-storage battery, the target energy-storage battery
Output end linking objective solar energy unmanned plane load energization input.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108023400A (en) * | 2018-01-15 | 2018-05-11 | 东汉太阳能无人机技术有限公司 | Solar energy unmanned plane MPPT controller and the electric power system equipped with the controller |
| CN112467848A (en) * | 2020-12-08 | 2021-03-09 | 成都航空职业技术学院 | ASIC photovoltaic MPPT group battery charger |
| CN115622136A (en) * | 2022-12-16 | 2023-01-17 | 济钢防务技术有限公司 | Multi-mode intelligent controller |
-
2018
- 2018-01-15 CN CN201820063751.1U patent/CN207819540U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108023400A (en) * | 2018-01-15 | 2018-05-11 | 东汉太阳能无人机技术有限公司 | Solar energy unmanned plane MPPT controller and the electric power system equipped with the controller |
| CN112467848A (en) * | 2020-12-08 | 2021-03-09 | 成都航空职业技术学院 | ASIC photovoltaic MPPT group battery charger |
| CN115622136A (en) * | 2022-12-16 | 2023-01-17 | 济钢防务技术有限公司 | Multi-mode intelligent controller |
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