CN210821900U - Integrated control charging circuit and device for unmanned aerial vehicle - Google Patents

Integrated control charging circuit and device for unmanned aerial vehicle Download PDF

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Publication number
CN210821900U
CN210821900U CN201920971964.9U CN201920971964U CN210821900U CN 210821900 U CN210821900 U CN 210821900U CN 201920971964 U CN201920971964 U CN 201920971964U CN 210821900 U CN210821900 U CN 210821900U
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module
resistor
buck
boost
control module
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CN201920971964.9U
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Chinese (zh)
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卢致辉
陈金颖
向紫涛
王角
肖志文
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Shenzhen Micromulticopter Aero Technology Co Ltd
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Shenzhen Micromulticopter Aero Technology Co Ltd
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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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model provides an integrative accuse charging circuit of unmanned aerial vehicle and device, through adding the buck-boost module and buck-boost control module, utilize buck-boost control module to generate first modulation signal and second modulation signal control buck-boost module, and then realize the charge-discharge control between external power supply or load and the battery, and through adding the charge-discharge control module of real time control buck-boost control module, and then indirect adjustment external power supply or the charge-discharge process between load and the battery, make the charging current scope wide and controllable, the charging time of battery has been reduced, make the integrative battery that adopts the large capacity of controlling of unmanned aerial vehicle, the time of endurance of the integrative accuse battery of unmanned aerial vehicle has been increased, it is less to have solved the charging current that exists among the traditional technical scheme, charging time overlength and the short problem of continuation of the quick-witted time.

Description

Integrated control charging circuit and device for unmanned aerial vehicle
Technical Field
The utility model belongs to the technical field of unmanned aerial vehicle charges, especially, relate to an integrative accuse charging circuit of unmanned aerial vehicle and device.
Background
At present, the charging circuit of integrative accuse of traditional unmanned aerial vehicle often all is linear charging circuit, and the charging current of general linear charging circuit is all smaller to make the charge time overlength of battery and restricted the increase of the aluminium battery capacity of battery, and then caused the battery duration to have had the not long enough problem of standby time.
Therefore, the conventional technical scheme has the problems of small charging current, overlong charging time and short machine continuing time.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides an integrative accuse charging circuit of unmanned aerial vehicle and device aims at solving the problem that the charging current that exists is less, charge time overlength and continuation of the aircraft hour is short among the traditional technical scheme.
The utility model discloses a first aspect of the embodiment provides an integrative accuse charging circuit of unmanned aerial vehicle, is connected with the battery, the integrative accuse charging circuit of unmanned aerial vehicle includes: the interface module is externally connected with a power supply or a load; a buck-boost module connected with the interface module and the battery, the buck-boost module configured to buck the power supply to a first target voltage to charge the battery or boost a discharge voltage of the battery to a second target voltage to the load; the boost-buck control module is connected with the boost-buck module and is configured to generate a first modulation signal for controlling the boost-buck module to reduce voltage and generate a second modulation signal for controlling the boost-buck module to increase voltage; and the charging and discharging control module is connected with the buck-boost module and is configured to generate charging and discharging signals for controlling the buck-boost control module to adjust the first modulation signal and the second modulation signal.
In one embodiment, the buck-boost module comprises: a first switch tube, a second switch tube, a first capacitor, a second capacitor, a first inductor, a first resistor, a second resistor, a third resistor, a fourth resistor, a first diode and a second diode, wherein a first end of the first resistor is connected with the interface module, a second end of the first resistor is connected with a first input/output end of the first switch tube and a first end of the first capacitor, a second end of the first capacitor is grounded, a control end of the first switch tube is connected with an anode of the first diode and a first end of the second resistor, a second end of the first resistor and a cathode of the first diode are connected with a first output end of the buck-boost control module, a second input/output end of the first switch tube is connected with a first end of the first inductor, a first input/output end of the second switch tube and a first end of the second capacitor, the second end of the second capacitor is grounded, the control end of the second switch tube is connected with the first end of the third resistor and the anode of the second diode, the second end of the third resistor and the cathode of the second diode are connected with the second output end of the buck-boost control module, the second input/output end of the second switch tube is grounded, the second end of the first inductor is connected with the first end of the fourth resistor, and the second end of the fourth resistor is connected with the anode of the battery.
In one embodiment, the integrated control charging circuit for unmanned aerial vehicle further comprises:
the first current sampling module is connected with the interface module, the buck-boost module and the buck-boost control module, and is configured to collect a first current signal of the interface module and transmit the first current signal to the buck-boost control module;
the second current sampling module is connected with the buck-boost module, the battery and the buck-boost control module, and is configured to acquire a second current signal of the battery and transmit the second current signal to the buck-boost control module;
the first current adjusting module is connected with the buck-boost control module and the charge and discharge control module, and is configured to adjust the input and output currents of the interface module according to a first control signal of the charge and discharge control module;
the second current adjusting module is connected with the buck-boost control module and the charge and discharge control module, and is configured to adjust the input and output currents of the battery according to a second control signal of the charge and discharge control module;
the charging and discharging state detection module is connected with the buck-boost control module and the charging and discharging control module, and is used for detecting whether the integrated control charging circuit of the unmanned aerial vehicle is in a charging state or a discharging state and sending an indication;
the overvoltage and undervoltage protection module is connected with the interface module and the buck-boost control module, and is set to be switched off when the voltage of the interface module is higher than a first preset voltage or lower than a second preset voltage; and
the voltage stabilizing module is connected with the battery, the voltage boosting and reducing control module and the charging and discharging control module, and the voltage stabilizing module is set to convert the voltage of the battery into working voltage and then supply power to the voltage boosting and reducing control module and the charging and discharging control module.
In one embodiment, the first current sampling module comprises: fifth resistance, sixth resistance and third electric capacity, the first end of fifth resistance with the interface module with go up and down to press the module to connect, the second end of fifth resistance with the first end of third electric capacity with go up and down to press the positive end of the first difference input end of control module to connect, the first end of sixth resistance with go up and down to press the module to connect, the second end of sixth resistance with the second end of third electric capacity with go up and down to press the negative end of the first difference input end of control module to connect.
In one embodiment, the second current sampling module comprises: the first end of the seventh resistor is connected with the buck-boost control module, the second end of the seventh resistor is connected with the first end of the fourth capacitor and the positive end of the second differential input end of the buck-boost control module, the first end of the eighth resistor is connected with the buck-boost module and the battery, and the second end of the eighth resistor is connected with the second end of the fourth capacitor and the negative end of the second differential input end of the buck-boost control module.
In one embodiment, the first current regulation module comprises: the first end of the ninth resistor and the first end of the fifth capacitor are connected with the first current adjusting end of the buck-boost control module, the second end of the ninth resistor and the first input/output end of the third switch tube are connected, the second input/output end of the third switch tube and the second end of the fifth capacitor are connected to the ground in a shared mode, and the control end of the third switch tube and the first input/output end of the charge/discharge control module are connected.
In one embodiment, the second current regulation module comprises: the first end of the tenth resistor and the first end of the sixth capacitor are connected with the second current adjusting end of the buck-boost control module, the second end of the tenth resistor and the first input/output end of the fourth switch tube are connected, the second input/output end of the fourth switch tube and the second end of the sixth capacitor are connected to the ground, and the control end of the fourth switch tube and the second input/output end of the charge/discharge control module are connected.
In one embodiment, the charge and discharge state detection module includes an eleventh resistor, a twelfth resistor, and a light emitting device, a first end of the eleventh resistor and an anode of the light emitting device are connected to the interface module, a cathode of the light emitting device is connected to a first end of the twelfth resistor, and a second end of the eleventh resistor and a second end of the twelfth resistor are commonly connected to a first input/output end of the buck-boost control module and a third input/output end of the charge and discharge control module.
In one embodiment, the overvoltage and undervoltage protection module includes a thirteenth resistor, a fourteenth resistor, a fifteenth resistor, and a sixteenth resistor, a first end of the thirteenth resistor and a first end of the fourteenth resistor are connected to the interface module, a second end of the thirteenth resistor and a first end of the fifteenth resistor are connected to the feedback end of the buck-boost control module, a second end of the fifteenth resistor is grounded, a second end of the fourteenth resistor and a first end of the sixteenth resistor are connected to the power enable end of the buck-boost control module, and a second end of the sixteenth resistor is grounded.
The utility model provides an integrative accuse charging device of unmanned aerial vehicle is provided to the second aspect of the embodiment, include: battery and as above the integrative charging circuit that controls of unmanned aerial vehicle.
Foretell integrative accuse charging circuit of unmanned aerial vehicle and device, through adding step-up and step-down module and step-up and step-down control module, utilize step-up and step-down control module to generate first modulation signal and second modulation signal control step-up and step-down module, and then realize the charge-discharge control between external power supply or load and the battery, and the charge-discharge control module through adding real time control step-up and step-down control module, and then indirect adjustment external power supply or the charge-discharge process between load and the battery, make the charging current scope wide and controllable, the charging time of battery has been reduced, make the integrative battery that adopts the large capacity of controlling of unmanned aerial vehicle, the time of endurance of the integrative accuse battery of unmanned aerial vehicle has been increased, the charging current who exists is less among the traditional technical scheme has been solved, charging time overlength.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic circuit diagram of an integrated control charging circuit of an unmanned aerial vehicle according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of an example of a buck-boost module in the integrated control charging circuit of the unmanned aerial vehicle shown in fig. 1;
fig. 3 is another schematic circuit diagram of the integrated control charging circuit for the unmanned aerial vehicle according to an embodiment of the present invention;
fig. 4 is an exemplary circuit schematic diagram of a first current sampling module in the integrated control charging circuit of the drone shown in fig. 3;
fig. 5 is an exemplary circuit schematic diagram of a second current sampling module in the integrated control charging circuit of the drone shown in fig. 3;
fig. 6 is an exemplary circuit schematic diagram of a first current regulation module in the integrated control charging circuit of the drone shown in fig. 3;
fig. 7 is an exemplary circuit schematic diagram of a second current regulation module in the integrated control charging circuit of the drone shown in fig. 3;
fig. 8 is a schematic circuit diagram illustrating an exemplary charging/discharging state detection module in the integrated control charging circuit of the unmanned aerial vehicle shown in fig. 3;
fig. 9 is a schematic circuit diagram of an example of an overvoltage and undervoltage protection module in the integrated control charging circuit of the unmanned aerial vehicle shown in fig. 3;
fig. 10 is a schematic diagram of an example circuit of a voltage stabilizing module in the integrated control charging circuit of the unmanned aerial vehicle shown in fig. 3.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, the circuit diagram of the integrated control charging circuit for unmanned aerial vehicle according to the first embodiment of the present invention only shows the relevant parts of the present embodiment for convenience of description, and the detailed description is as follows:
integrative accuse charging circuit of unmanned aerial vehicle in this embodiment, its characterized in that is connected with battery 110, and the integrative accuse charging circuit of unmanned aerial vehicle includes: the interface module 200 is provided with an external power source 120 or a load 130, the buck-boost module 300 is connected with the interface module 200 and the battery 110, the buck-boost control module 400 is connected with the buck-boost module 300, and the charge-discharge control module 500 is connected with the buck-boost module 300; the buck-boost module 300 is configured to buck the external power source 120 to a first target voltage to charge the battery 110 or boost a discharge voltage of the battery 110 to a second target voltage to the load 130; the buck-boost control module 400 is configured to generate a first modulation signal for controlling the buck-boost module 300 to buck and generate a second modulation signal for controlling the boost of the buck-boost module 300; the charge and discharge control module 500 is configured to generate a charge and discharge signal for controlling the buck-boost control module 400 to adjust the first modulation signal and the second modulation signal.
It should be understood that the voltage step-up/step-down module 300 may also step up/step down the input voltage of the power source 120 and/or the voltage of the battery 110 to a third target voltage to supply power to the internal circuit of the unmanned aerial vehicle, the third target voltage is not required to be transmitted to the internal circuit of the unmanned aerial vehicle through the interface module 200, the battery 110 is a battery disposed in the unmanned aerial vehicle, and the voltage of the battery 110 may also directly supply power to the internal circuit of the unmanned aerial vehicle; the first target voltage, the second target voltage and the third target voltage are not fixed specific voltages and can be set according to specific voltage requirements of the external power supply 120, the load 130, the battery 110 and the internal circuit of the unmanned aerial vehicle; the first Modulation signal and the second Modulation signal may be PWM (Pulse Width Modulation) signals; the charge and discharge signal is used for modulating the duty ratio of the first modulation signal and the second modulation signal so as to adjust the charge and discharge voltage and current.
It should be understood that the external power source 120 and the load 130 in this embodiment may be the same type of chargeable and dischargeable load 130, such as a charger, a battery, etc.; the external power source 120 and the load 130 in this embodiment may also be different loads 130, and when the connected external power source 120 is only the discharging load 130, the integrated control charging circuit of the unmanned aerial vehicle is only the charging circuit of the battery 110 for integrated control of the unmanned aerial vehicle.
It should be understood that the interface module 200 may include a USB interface, such as a normal USB interface, a TYPE C interface, and the like, and the interface module 200 may further include one or more capacitors connected in parallel, where a first end of each capacitor is connected to the interface module 200 and a second end of each capacitor is grounded; the buck-boost module 300 may be composed of a plurality of switching tubes and capacitors; the buck-boost control module 400 may be formed by a buck-boost control chip, such as a buck-boost control chip model SC 8803C; the charge and discharge control module 500 may be formed of a microprocessor, for example, an STM32 series single chip microcomputer.
The integrative control charging circuit of unmanned aerial vehicle in this embodiment, through adding buck-boost module 300 and buck-boost control module 400, utilize buck-boost control module 400 to generate first modulation signal and second modulation signal control buck-boost module 300, and then realize the charge-discharge control between external power supply 120 or load 130 and battery 110, and through adding the charge-discharge control module 500 of real-time control buck-boost control module 400, and then indirect adjustment external power supply 120 or load 130 and the charge-discharge process between battery 110, make the charging current scope wide and controllable, the charge time of battery 110 has been reduced, make the integrative control of unmanned aerial vehicle adopt the battery 110 of large capacity, the duration of integrative control battery 110 of unmanned aerial vehicle has been increased, the charging current that exists is less in the traditional technical scheme, the problem of charge time overlength and continuation of quick-service time weak is solved.
Referring to fig. 2, in one embodiment, the buck-boost module 300 includes: a first switch tube Q1, a second switch tube Q2, a first capacitor C1, a second capacitor C2, a first inductor, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a first diode D1 and a second diode D2, wherein a first end of the first resistor R1 is connected to the interface module 200, a second end of the first resistor R1 is connected to a first input/output end of the first switch tube Q1 and a first end of the first capacitor C1, a second end of the first capacitor C1 is grounded, a control end of the first switch tube Q1 is connected to an anode of the first diode D1 and a first end of the second resistor R2, a second end of the first resistor R1 and a cathode of the first diode D1 are connected to a first output end HD of the buck-boost control module 400, a second input/output end of the first switch tube Q1 is connected to a first end of the first inductor, a first end of the first switch tube Q2 and a first input/output end of the first diode D2, the second end of the second capacitor C2 is grounded, the control end of the second switch tube Q2 is connected to the first end of the third resistor R3 and the anode of the second diode D2, the second end of the third resistor R3 and the cathode of the second diode D2 are connected to the second output end LD of the buck-boost control module 400, the second input/output end of the second switch tube Q2 is grounded, the second end of the first inductor is connected to the first end of the fourth resistor R4, and the second end of the fourth resistor R4 is connected to the anode of the battery 110.
It should be understood that the first switch tube Q1 and the second switch tube Q2 may be controllable switch devices or chips such as MOS transistors, triodes, or IGBT thyristors.
The buck-boost module 300 in this embodiment realizes bidirectional buck-boost conversion between DC and DC by adding the first switch tube Q1, the second switch tube Q2, the first capacitor C1, the second capacitor C2, the first inductor, the first resistor R1, the second resistor R2, the third resistor R3, the fourth resistor R4, the first diode D1, and the second diode D2, and can complete large-current charging and discharging, thereby solving the problems that the charging current is small and the direction discharging cannot be performed in the conventional technical scheme.
Referring to fig. 3, in an embodiment, the method further includes: the voltage regulation device comprises a first current sampling module 610, a second current sampling module 620, a first current regulation module 710, a second current regulation module 720, a charging and discharging state detection module 810, an overvoltage and undervoltage protection module 820 and a voltage stabilization module 900, wherein the first current sampling module 610 is connected with an interface module 200, a buck-boost module 300 and a buck-boost control module 400, the second current sampling module 620 is connected with the buck-boost module 300, a battery 110 and the buck-boost control module 400, the first current regulation module 710 is connected with the buck-boost control module 400 and the charging and discharging control module 500, the second current regulation module 720 is connected with the buck-boost control module 400 and the charging and discharging control module 500, the overvoltage and undervoltage protection module 820 is connected with the interface module 200 and the buck-boost control module 400, and the voltage stabilization module 900 is connected with the battery 110, the buck-boost control module 400 and the charging and discharging control; the first current sampling module 610 is configured to collect a first current signal of the interface module 200 and transmit the first current signal to the buck-boost control module 400; the second current sampling module 620 is configured to collect a second current signal of the battery 110 and transmit the second current signal to the buck-boost control module 400; the first current adjusting module 710 is configured to adjust the input/output current of the interface module 200 according to a first control signal of the charge/discharge control module 500; the second current adjusting module 720 is configured to adjust the input/output current of the battery 110 according to the second control signal of the charge/discharge control module 500; the charging and discharging state detection module 810 is connected with the buck-boost control module 400 and the charging and discharging control module 500, and the charging and discharging state detection module 810 is used for detecting whether the integrated control charging circuit of the unmanned aerial vehicle is in a charging state or a discharging state and sending an indication; the overvoltage and undervoltage protection module 820 is configured to turn off the buck-boost control module 400 when the voltage of the interface module 200 is higher than a first preset voltage or lower than a second preset voltage; the voltage stabilizing module 900 is set to supply power to the buck-boost control module 400 and the charge-discharge control module 500 after converting the voltage of the battery 110 into the working voltage, and the voltage stabilizing module 900 can also supply power to the internal circuit of the unmanned aerial vehicle.
It should be understood that the first control signal and the second control signal may be pulse signals; the first preset voltage may be a maximum bearable voltage of the circuit, and the second preset voltage may be lower than a rated working voltage of the circuit; the first current sampling module 610 and the second current sampling module 620 may be formed of sampling resistors; the first current regulation module 710 and the second current regulation module 720 may be composed of a switching tube and a resistor; the charging and discharging state detecting module 810 may be composed of a resistor and a light emitting device that is turned on in one direction, for example, in one embodiment, when the circuit is in a charging state, the charging and discharging state detecting module 810 sends a level signal to the charging and discharging control module and lights up through the light emitting device; the overvoltage and undervoltage protection module 820 may be composed of a plurality of resistors; the voltage regulation module 900 may be formed of a voltage regulation chip U5.
For easy understanding, part of the workflow in this embodiment is as follows: the first current signal collected by the first current sampling module 610 and the second current signal collected by the second current sampling module 620 can be transmitted to the charge and discharge control module 500 through the buck-boost control module 400, the charge and discharge control module 500 generates a first control signal and a second control signal according to the first current signal and the second current signal, the first current regulating module 710 enables the buck-boost control module 400 to regulate the control of the buck-boost module 300 according to the first control signal, i.e. adjusting the current input/output to the interface module 200 of the buck-boost module 300 to further adjust the input/output current of the interface module 200, the second current adjusting module 720 makes the buck-boost control module 400 adjust the control of the buck-boost module 300 according to the second control signal, that is, the input/output current of the buck-boost module 300 to the battery 110 is adjusted to adjust the input/output current of the battery 110.
In the integrated control charging circuit of the unmanned aerial vehicle in the embodiment, the first current sampling module 610, the second current sampling module 620, the first current regulating module 710 and the second current regulating module 720 are added, so that the charging and discharging current is monitored and adjusted in real time; by adding the charging and discharging state detection module 810, the working state (charging state or discharging state) of the integrated control charging circuit of the unmanned aerial vehicle is detected; by adding the overvoltage and undervoltage protection module 820, overvoltage protection and undervoltage protection are realized, and damage to the battery 110, the external power supply 120 and the load 130 due to overvoltage or undervoltage of the circuit is avoided.
Referring to fig. 4, in one embodiment, the first current sampling module 610 includes: a fifth resistor R5, a sixth resistor R6 and a third capacitor C3, a first end of the fifth resistor R5 is connected to the interface module 200 and the buck-boost module 300, a second end of the fifth resistor R5 is connected to a first end of the third capacitor C3 and a positive terminal SNS1P of the first differential input terminal of the buck-boost control module 400, a first end of the sixth resistor R6 is connected to the buck-boost module 300, and a second end of the sixth resistor R6 is connected to a second end of the third capacitor C3 and a negative terminal SNS1N of the first differential input terminal of the buck-boost control module 400.
In this embodiment, a first end of the fifth resistor R5 is connected to a first end of the first resistor R1 in the buck-boost module 300, and a first end of the sixth resistor R6 is connected to a second end of the first resistor R1 in the buck-boost module 300.
Referring to fig. 5, in one embodiment, the second current sampling module 620 includes: a seventh resistor R7, an eighth resistor R8 and a fourth capacitor C4, a first end of the seventh resistor R7 is connected to the buck-boost control module 400, a second end of the seventh resistor R7 is connected to the first end of the fourth capacitor C4 and the positive terminal SNS2P of the second differential input terminal of the buck-boost control module 400, a first end of the eighth resistor R8 is connected to the buck-boost module 300 and the battery 110, and a second end of the eighth resistor R8 is connected to the second end of the fourth capacitor C4 and the negative terminal SNS2N of the second differential input terminal of the buck-boost control module 400.
In this embodiment, the seventh resistor R7 and the eighth resistor R4 of the buck-boost module 300 are respectively connected to two ends of the seventh resistor R7.
Referring to fig. 6, in one embodiment, the first current adjusting module 710 includes: a ninth resistor R9, a fifth capacitor C5 and a third switch tube Q3, wherein a first end of the ninth resistor R9 and a first end of the fifth capacitor C5 are connected to the first current regulation end of the buck-boost control module 400, a second end of the ninth resistor R9 is connected to a first input/output end of the third switch tube Q3, a second input/output end of the third switch tube Q3 and a second end of the fifth capacitor C5 are connected to ground, and a control end of the third switch tube Q3 is connected to a first input/output end of the charge/discharge control module 500.
It should be understood that the third switching tube Q3 may be a controllable switching device or a chip such as a MOS tube, a triode, or an IGBT thyristor.
Referring to fig. 7, in one embodiment, the second current adjusting module 720 includes: a tenth resistor R10, a sixth capacitor C6, and a fourth switch tube Q4, wherein a first end of the tenth resistor R10 and a first end of the sixth capacitor C6 are connected to the second current regulation end of the buck-boost control module 400, a second end of the tenth resistor R10 is connected to a first input/output end of the fourth switch tube Q4, a second input/output end of the fourth switch tube Q4 and a second end of the sixth capacitor C6 are connected to ground, and a control end of the fourth switch tube Q4 is connected to a second input/output end of the charge/discharge control module 500.
It should be understood that the fourth switching tube Q4 may be a controllable switching device or a chip such as a MOS tube, a triode, or an IGBT thyristor.
Referring to fig. 8, in an embodiment, the charge/discharge state detecting module 810 includes an eleventh resistor R11, a twelfth resistor R12, and a light emitting device D3, a first end of the eleventh resistor R11 and a positive electrode of the light emitting device D3 are connected to the interface module 200, a negative electrode of the light emitting device D3 is connected to a first end of the twelfth resistor R12, and a second end of the eleventh resistor R11 and a second end of the twelfth resistor R12 are commonly connected to a first input/output end of the buck-boost control module 400 and a third input/output end of the charge/discharge control module 500. It is understood that the light emitting device D3 may be a light emitting diode.
Referring to fig. 9, in an embodiment, the under-voltage and overvoltage protection module 820 includes a thirteenth resistor R13, a fourteenth resistor R14, a fifteenth resistor R15 and a sixteenth resistor R16, a first end of the thirteenth resistor R13 and a first end of the fourteenth resistor R14 are commonly connected to the interface module 200, a second end of the thirteenth resistor R13 and a first end of the fifteenth resistor R15 are commonly connected to the feedback terminal FB of the buck-boost control module 400, a second end of the fifteenth resistor R15 is grounded, a second end of the fourteenth resistor R14 and a first end of the sixteenth resistor R16 are commonly connected to the power enable terminal VINREG of the buck-boost control module 400, and a second end of the sixteenth resistor R16 is grounded.
Referring to fig. 10, in an embodiment, the voltage regulation module 900 includes a first magnetic bead FB1 and a voltage regulation chip U5, a first end of the first magnetic bead FB1 is connected to the positive electrode of the battery 110, a second end of the first magnetic bead FB1 is connected to an input end of the power supply 120 of the voltage regulation chip U5, and an output end of the power supply 120 of the voltage regulation chip U5 serves as an output end of the voltage regulation module 900 to output the operating voltage. In the present embodiment, the model of the voltage regulation chip U5 is PAM3101DAB330, and in other embodiments, other models of the voltage regulation chip U5 may be used.
The utility model provides an integrative accuse charging device of unmanned aerial vehicle is provided to the second aspect of the embodiment, include: battery 110 and as the utility model discloses an integrative accuse charging circuit of unmanned aerial vehicle described in the first aspect of the embodiment.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides an integrative accuse charging circuit of unmanned aerial vehicle, is connected with the battery, its characterized in that, the integrative accuse charging circuit of unmanned aerial vehicle includes:
the interface module is used for externally connecting a power supply or a load;
a buck-boost module connected with the interface module and the battery, the buck-boost module configured to buck the power supply to a first target voltage to charge the battery or boost a discharge voltage of the battery to a second target voltage to the load;
the boost-buck control module is connected with the boost-buck module and is configured to generate a first modulation signal for controlling the boost-buck module to reduce voltage and generate a second modulation signal for controlling the boost-buck module to increase voltage; and
the charging and discharging control module is connected with the buck-boost module and is configured to generate charging and discharging signals for controlling the buck-boost control module to adjust the first modulation signal and the second modulation signal.
2. The integrated control charging circuit of unmanned aerial vehicle of claim 1, wherein the buck-boost module comprises: a first switch tube, a second switch tube, a first capacitor, a second capacitor, a first inductor, a first resistor, a second resistor, a third resistor, a fourth resistor, a first diode and a second diode, wherein a first end of the first resistor is connected with the interface module, a second end of the first resistor is connected with a first input/output end of the first switch tube and a first end of the first capacitor, a second end of the first capacitor is grounded, a control end of the first switch tube is connected with an anode of the first diode and a first end of the second resistor, a second end of the first resistor and a cathode of the first diode are connected with a first output end of the buck-boost control module, a second input/output end of the first switch tube is connected with a first end of the first inductor, a first input/output end of the second switch tube and a first end of the second capacitor, the second end of the second capacitor is grounded, the control end of the second switch tube is connected with the first end of the third resistor and the anode of the second diode, the second end of the third resistor and the cathode of the second diode are connected with the second output end of the buck-boost control module, the second input/output end of the second switch tube is grounded, the second end of the first inductor is connected with the first end of the fourth resistor, and the second end of the fourth resistor is connected with the anode of the battery.
3. The integrated control charging circuit of unmanned aerial vehicle of claim 1, further comprising:
the first current sampling module is connected with the interface module, the buck-boost module and the buck-boost control module, and is configured to collect a first current signal of the interface module and transmit the first current signal to the buck-boost control module;
the second current sampling module is connected with the buck-boost module, the battery and the buck-boost control module, and is configured to acquire a second current signal of the battery and transmit the second current signal to the buck-boost control module;
the first current adjusting module is connected with the buck-boost control module and the charge and discharge control module, and is configured to adjust the input and output currents of the interface module according to a first control signal of the charge and discharge control module;
the second current adjusting module is connected with the buck-boost control module and the charge and discharge control module, and is configured to adjust the input and output currents of the battery according to a second control signal of the charge and discharge control module;
the charging and discharging state detection module is connected with the buck-boost control module and the charging and discharging control module, and is used for detecting whether the integrated control charging circuit of the unmanned aerial vehicle is in a charging state or a discharging state and sending an indication;
the overvoltage and undervoltage protection module is connected with the interface module and the buck-boost control module, and is set to be switched off when the voltage of the interface module is higher than a first preset voltage or lower than a second preset voltage; and
the voltage stabilizing module is connected with the battery, the voltage boosting and reducing control module and the charging and discharging control module, and the voltage stabilizing module is set to convert the voltage of the battery into working voltage and then supply power to the voltage boosting and reducing control module and the charging and discharging control module.
4. The integrated control charging circuit for unmanned aerial vehicle of claim 3, wherein the first current sampling module comprises: fifth resistance, sixth resistance and third electric capacity, the first end of fifth resistance with the interface module with go up and down to press the module to connect, the second end of fifth resistance with the first end of third electric capacity with go up and down to press the positive end of the first difference input end of control module to connect, the first end of sixth resistance with go up and down to press the module to connect, the second end of sixth resistance with the second end of third electric capacity with go up and down to press the negative end of the first difference input end of control module to connect.
5. The integrated control charging circuit for unmanned aerial vehicle of claim 3, wherein the second current sampling module comprises: the first end of the seventh resistor is connected with the buck-boost control module, the second end of the seventh resistor is connected with the first end of the fourth capacitor and the positive end of the second differential input end of the buck-boost control module, the first end of the eighth resistor is connected with the buck-boost module and the battery, and the second end of the eighth resistor is connected with the second end of the fourth capacitor and the negative end of the second differential input end of the buck-boost control module.
6. The integrated drone charging circuit of claim 3, wherein the first current regulation module comprises: the first end of the ninth resistor and the first end of the fifth capacitor are connected with the first current adjusting end of the buck-boost control module, the second end of the ninth resistor and the first input/output end of the third switch tube are connected, the second input/output end of the third switch tube and the second end of the fifth capacitor are connected to the ground in a shared mode, and the control end of the third switch tube and the first input/output end of the charge/discharge control module are connected.
7. The integrated drone charging circuit of claim 3, wherein the second current regulation module comprises: the first end of the tenth resistor and the first end of the sixth capacitor are connected with the second current adjusting end of the buck-boost control module, the second end of the tenth resistor and the first input/output end of the fourth switch tube are connected, the second input/output end of the fourth switch tube and the second end of the sixth capacitor are connected to the ground, and the control end of the fourth switch tube and the second input/output end of the charge/discharge control module are connected.
8. The integrated control charging circuit of claim 3, wherein the charging and discharging state detection module comprises an eleventh resistor, a twelfth resistor and a light emitting device, a first end of the eleventh resistor and an anode of the light emitting device are connected to the interface module, a cathode of the light emitting device is connected to a first end of the twelfth resistor, and a second end of the eleventh resistor and a second end of the twelfth resistor are commonly connected to the first input/output end of the buck-boost control module and the third input/output end of the charging and discharging control module.
9. The integrated unmanned aerial vehicle charging circuit as claimed in claim 3, wherein the overvoltage and undervoltage protection module includes a thirteenth resistor, a fourteenth resistor, a fifteenth resistor, and a sixteenth resistor, a first end of the thirteenth resistor and a first end of the fourteenth resistor are connected to the interface module, a second end of the thirteenth resistor and a first end of the fifteenth resistor are connected to the feedback end of the buck-boost control module, a second end of the fifteenth resistor is connected to ground, a second end of the fourteenth resistor and a first end of the sixteenth resistor are connected to the power enable end of the buck-boost control module, and a second end of the sixteenth resistor is connected to ground.
10. The utility model provides an integrative accuse charging device of unmanned aerial vehicle which characterized in that includes: a battery and the drone integrated control charging circuit of any one of claims 1-9.
CN201920971964.9U 2019-06-24 2019-06-24 Integrated control charging circuit and device for unmanned aerial vehicle Expired - Fee Related CN210821900U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920971964.9U CN210821900U (en) 2019-06-24 2019-06-24 Integrated control charging circuit and device for unmanned aerial vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920971964.9U CN210821900U (en) 2019-06-24 2019-06-24 Integrated control charging circuit and device for unmanned aerial vehicle

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CN210821900U true CN210821900U (en) 2020-06-23

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113859552A (en) * 2021-09-27 2021-12-31 深圳市道通智能航空技术股份有限公司 Battery management system
CN114368485A (en) * 2022-03-18 2022-04-19 珠海奕博科技有限公司 Control circuit of micro unmanned aerial vehicle

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113859552A (en) * 2021-09-27 2021-12-31 深圳市道通智能航空技术股份有限公司 Battery management system
CN113859552B (en) * 2021-09-27 2023-10-24 深圳市道通智能航空技术股份有限公司 Battery management system
CN114368485A (en) * 2022-03-18 2022-04-19 珠海奕博科技有限公司 Control circuit of micro unmanned aerial vehicle
CN114368485B (en) * 2022-03-18 2022-06-17 珠海奕博科技有限公司 Control circuit of micro unmanned aerial vehicle

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