CN113320433A - Unmanned aerial vehicle battery management system and management method - Google Patents
Unmanned aerial vehicle battery management system and management method Download PDFInfo
- Publication number
- CN113320433A CN113320433A CN202110617609.3A CN202110617609A CN113320433A CN 113320433 A CN113320433 A CN 113320433A CN 202110617609 A CN202110617609 A CN 202110617609A CN 113320433 A CN113320433 A CN 113320433A
- Authority
- CN
- China
- Prior art keywords
- battery
- charging
- unmanned aerial
- aerial vehicle
- interface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/62—Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/66—Data transfer between charging stations and vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/10—Air crafts
-
- 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
- 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
- Y02T90/12—Electric charging stations
-
- 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
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention provides a battery management system and a battery management method for an unmanned aerial vehicle, which relate to the technical field of unmanned aerial vehicles, and comprise the following steps: at least one charging device and a plurality of battery devices; the charging device is used for charging a plurality of battery devices, and the battery devices are loaded on the unmanned aerial vehicle and provide power for the unmanned aerial vehicle; the charging device is connected with the battery device through the charging communication module and the charging power interface; the battery device comprises a battery communication module and a battery charging interface; the battery communication module is used for connecting the charging communication module or the battery communication module of the last connected battery device; the battery charging interface is used for stopping charging the current battery device when the electric quantity of the current battery device reaches a first threshold value, and connecting the battery charging interface of the next battery device to be connected for charging. The problem that the management and use efficiency of the unmanned aerial vehicle battery is low can be solved through the system, and the effect of improving the management efficiency of the unmanned aerial vehicle battery is achieved.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle battery management system and a management method.
Background
With the development of unmanned aerial vehicle technology, unmanned aerial vehicles are increasingly widely and deeply applied in various industries, most unmanned aerial vehicles provide energy through batteries at present, power supply control is carried out in a manual power on/off mode, and manual intervention is needed in many processes in the aspect of unmanned aerial vehicle battery management. In an emerging unmanned scene (such as an automated airport), the used unmanned aerial vehicle needs to have a function of automatically replacing a battery, namely, a mature scheme for automated battery management is needed. The existing method for controlling the power supply of the unmanned aerial vehicle by the manual switch cannot well adapt to the automatic power changing scheme of the unmanned aerial vehicle, and has the problems of low management and use efficiency of the unmanned aerial vehicle battery.
Disclosure of Invention
The invention aims to provide an unmanned aerial vehicle battery management system and a management method, which are used for relieving the technical problems of low unmanned aerial vehicle battery management and use efficiency in the prior art.
In order to achieve the above purpose, the embodiment of the present invention adopts the following technical solutions:
in a first aspect, an embodiment of the present invention provides an unmanned aerial vehicle battery management system, including: at least one charging device and a plurality of battery devices; the charging device is used for charging a plurality of battery devices, and the battery devices are loaded on the unmanned aerial vehicle and provide power for the unmanned aerial vehicle; the charging device comprises a charging communication module and a charging power supply interface; the charging device is connected with the battery device through the charging communication module and the charging power supply interface; the battery device comprises a battery communication module and a battery charging interface; the battery communication module is used for connecting the charging communication module or the battery communication module of the last connected battery device; the charging device charges the plurality of battery devices through the charging power supply interface; the battery charging interface is used for stopping charging the current battery device when the electric quantity of the current battery device reaches a first threshold value, and connecting the battery charging interface of the next battery device to be connected for charging.
In some possible embodiments, the battery communication module includes: the NFC communication device comprises a first battery bus unit, a first communication interface and an NFC receiving unit; the first battery bus unit is used for connecting the charging device; the first communication interface is used for being connected with a second communication interface of the unmanned aerial vehicle, and information read through the first communication interface is used for judging the current connection state of the battery device and the unmanned aerial vehicle; the NFC receiving unit is used for reading information of the unmanned aerial vehicle connected with the battery device.
In some possible embodiments, the first battery bus unit includes: a battery bus access port and a battery bus output port; the battery bus access port is used for connecting the charging communication module or a battery bus output port of the last connected battery device; the battery bus output port is used for connecting a battery bus access port of the battery device to be connected next.
In some possible embodiments, the battery charging interface includes a battery power input interface and a battery power output interface; the battery power input interface is used for connecting the charging power interface or a battery power output interface of the last connected battery device; the battery power output interface is used for connecting a battery power input interface of the battery device to be connected next.
In some possible embodiments, the battery device further includes: the device comprises a first data acquisition module and a first temperature acquisition module; the first data acquisition module is used for acquiring the voltage and the current of the battery device; the first temperature acquisition module is used for acquiring the temperature of the surface of the battery, the interior of the battery and the temperature of the control board of the battery.
In some possible embodiments, the charging device includes: the device comprises a power supply module, a discharge module, a second data acquisition module and a second temperature acquisition module; the power supply module is used for providing a power supply for the charging device; the discharging module is connected with the charging power supply interface and charges the battery device; the second data acquisition module is used for acquiring the output current and the output voltage of the charging device; the second temperature acquisition module is used for acquiring the temperatures of the power supply module and the discharge module.
In some possible embodiments, the discharge module includes: a power resistor and a fan; the power resistor is used for receiving the control of the charging device and discharging the battery device connected with the charging device; the fan is used for dissipating heat for the discharge module when the temperature of the discharge module is greater than a second threshold value.
In some possible embodiments, the charging communication module includes: a charging bus unit and a third communication interface; the charging bus unit includes a first charging bus for communication between a plurality of the charging devices and a second charging bus for communication between the charging devices and the battery device; the third communication interface is used for communication between the charging device and the local switch, and uploads data of the battery management system to the cloud end in real time through the router connected with the local switch.
In a second aspect, an embodiment of the present invention provides an unmanned aerial vehicle battery management method, which is applied to the unmanned aerial vehicle battery management system in any one of the first aspects, and the method includes: the battery device collects a first voltage value of a charging interface and judges whether to be connected to the charging device or not based on the first voltage value; the battery device judges whether the charging device is matched with the battery device or not through the battery communication module, and if the charging device is matched with the battery device, the charging is carried out through the battery charging interface; the battery device collects a second voltage value of the charging interface and judges whether the battery device is in a full-charge state or not based on the second voltage value; and when the battery device is in a full-charge state, disconnecting the battery charging interface to stop charging.
In some possible embodiments, the method further comprises: the battery device judges the current connection state of the battery device and the unmanned aerial vehicle through the information read by the first communication interface; if the battery device is connected with the unmanned aerial vehicle currently, the battery device judges whether the battery device is matched with the unmanned aerial vehicle currently according to the information of the unmanned aerial vehicle; when the battery device is matched with the unmanned aerial vehicle, the battery device supplies power to the unmanned aerial vehicle; if the battery device is disconnected with the unmanned aerial vehicle, the battery device judges whether the battery device is separated from the unmanned aerial vehicle currently or not according to the information of the unmanned aerial vehicle; when above-mentioned battery device breaks away from with above-mentioned unmanned aerial vehicle, above-mentioned battery device closes power supply interface.
The invention provides an unmanned aerial vehicle battery management system and a management method, wherein the system comprises: at least one charging device and a plurality of battery devices; the charging device is used for charging a plurality of battery devices, and the battery devices are loaded on the unmanned aerial vehicle and provide power for the unmanned aerial vehicle; the charging device comprises a charging communication module and a charging power supply interface; the charging device is connected with the battery device through the charging communication module and the charging power interface; the battery device comprises a battery communication module and a battery charging interface; the battery communication module is used for connecting the charging communication module or the battery communication module of the last connected battery device; the battery charging interface is used for stopping charging the current battery device when the electric quantity of the current battery device reaches a first threshold value, and connecting the battery charging interface of the next battery device to be connected for charging. The problem that the management and use efficiency of the unmanned aerial vehicle battery is low can be solved through the system, and the effect of improving the management efficiency of the unmanned aerial vehicle battery is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a battery management system of an unmanned aerial vehicle according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another unmanned aerial vehicle battery management system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a battery communication module according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a connection between a battery device and an unmanned aerial vehicle according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of an exemplary battery function indication provided by an embodiment of the present invention;
fig. 6 is a schematic diagram illustrating a function indication of a charger according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a charging communication module connection according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
With the development of unmanned aerial vehicle technology, unmanned aerial vehicles are increasingly widely and deeply applied in various industries, most unmanned aerial vehicles provide energy through batteries at present, power supply control is carried out in a manual power on/off mode, and manual intervention is needed in many processes in the aspect of unmanned aerial vehicle battery management. In an emerging unmanned scene (such as an automated airport), the used unmanned aerial vehicle needs to have a function of automatically replacing a battery, namely, a mature scheme for automated battery management is needed. The existing method for controlling the power supply of the unmanned aerial vehicle by the manual switch cannot well adapt to the automatic power changing scheme of the unmanned aerial vehicle, and has the problems of low battery management and use efficiency of the unmanned aerial vehicle.
Based on this, the embodiment of the invention provides an unmanned aerial vehicle battery management system and a management method, so as to alleviate the above problems. In order to facilitate understanding of the embodiment, a detailed description is first given of the unmanned aerial vehicle battery management system disclosed in the embodiment of the present invention, where the system includes: at least one charging device and a plurality of battery devices; charging device is used for charging for a plurality of battery device, and battery device is used for loading and provides the power for unmanned aerial vehicle on unmanned aerial vehicle.
Referring to the schematic structural diagrams of the unmanned aerial vehicle battery management system shown in fig. 1 and fig. 2, the charging device 100-1 includes a charging communication module 101-1 and a charging power interface 102-1; the charging device 100-1 is connected to the battery device 200-1 through the charging communication module 101-1 and the charging power interface 102-1. The battery device 200-1 comprises a battery communication module 201-1 and a battery charging interface 202-1; the battery communication module is used for connecting the charging communication module or the battery communication module of the last connected battery device.
The charging device 100-1 charges a plurality of battery devices (200-1, 200-2, 200-3 … …) through the charging power interface 102-1; the battery charging interface is used for stopping charging the current battery device when the electric quantity of the current battery device reaches a first threshold value, and connecting the battery charging interface of the next battery device to be connected for charging.
The first threshold may be less than or equal to an electric quantity value when the battery is fully charged, for example, an electric quantity value of 98% of the battery capacity.
In one embodiment, referring to fig. 3, the battery communication module 201 includes: a first battery bus unit 300, a first communication interface 301, and an NFC receiving unit 302; the first battery bus unit is used for connecting a charging device; the first communication interface is used for connecting a second communication interface of the unmanned aerial vehicle, and the information read through the first communication interface is used for judging the connection state of the current battery device and the unmanned aerial vehicle; the NFC receiving unit is used for reading information of the unmanned aerial vehicle connected with the battery device.
In a specific example, referring to the schematic diagram of the connection structure between the battery device and the drone shown in fig. 4, generally, the drone is provided with an NFC sticker (i.e., an NFC transmitting unit) containing information of the drone, and an NFC receiver on the battery facilitates reading the information of the drone matched with the battery. Usually, the communication between the battery and the unmanned aerial vehicle CAN also include communication between a CAN bus and a CAN bus on the unmanned aerial vehicle.
In addition, the first communication interface may be an IO interface on the battery side in fig. 4, and the second communication interface may be an IO interface on the aircraft side. The battery judges whether the battery is connected to the airplane or not by reading the IO mode of the airplane interface, acquires airplane information through NFC after the battery is connected to the airplane and judges whether the airplane is matched or not, and if the battery is matched with the airplane, the battery automatically turns on a power switch. When the battery is separated from the airplane, whether the battery is separated from the airplane is judged through IO, NFC information is collected to judge whether the battery is really separated from the airplane, and a power switch is automatically turned off to prevent danger of IO false triggering caused by airplane vibration.
As a specific example, referring to fig. 2 and 3, the first battery bus unit 300 includes: a battery bus access port 310 and a battery bus output port 320; the battery bus access port is used for connecting a charging communication module or a battery bus output port of a last connected battery device; the battery bus output port is used for connecting the battery bus access port of the next battery device to be connected. Namely, a CAN bus is arranged on the battery, and two interfaces with one inlet and one outlet are designed, so that the cascade connection of communication lines at the battery end is facilitated.
In one embodiment, the battery charging interface comprises a battery power input interface and a battery power output interface; the battery power supply input interface is used for connecting a charging power supply interface or a battery power supply output interface of a last connected battery device; the battery power output interface is used for connecting the battery power input interface of the next battery device to be connected.
That is to say, the battery is provided with two charging interfaces, one inlet and one outlet, the two charging interfaces are connected through a control unit, and the control unit can be used for charging the current battery or turning on the next battery in cascade connection and charging the next battery. As an example, the power supply structure of the control unit may include two MOS transistors, where when one MOS transistor of the battery is turned on, the battery power input interface is connected to the charging power interface to charge the current battery; when the current battery is charged (the battery is fully charged or the electric quantity reaches a specified threshold value), and the battery power output interface of the current battery is connected with a battery device to be charged next, the battery MOS tube is disconnected, the other cascaded MOS tube is connected, the next cascaded battery is charged, and the charger is used for charging the plurality of batteries in a cascaded mode.
In one embodiment, the battery device may further include: the device comprises a first data acquisition module and a first temperature acquisition module; the first data acquisition module is used for acquiring the voltage and the current of the battery device; the first temperature acquisition module is used for acquiring the temperature on the surface of the battery, the interior of the battery and a control panel of the battery.
As a specific example, referring to fig. 5, the battery may determine whether to connect the charger by monitoring the voltage state of the charging interface, and determine whether the charger information is matched through the CAN bus communication, and automatically turn on the power supply to charge; the battery can also acquire full-charge information by monitoring the states of voltage and current, and automatically cut off the power supply to stop charging; the battery can also carry out safety protection by judging the collected voltage, current and temperature to set a threshold value, and the battery is automatically turned off to protect the safety of the battery when the threshold value is exceeded.
As a specific example, the first data acquisition module may be an analog front end for acquiring voltage and current of the battery. The first temperature acquisition module can be a temperature sensor or a thermistor, such as: ntc (negative Temperature coefficient) thermistor, and the like. Referring to fig. 5, the first temperature acquisition module may include three NTC temperature acquisition units that respectively acquire temperatures of the inside of the battery cell, the surface of the battery cell, and the control board.
In one embodiment, a charging device includes: the device comprises a power supply module, a discharge module, a second data acquisition module and a second temperature acquisition module; the power supply module is used for providing power supply for the charging device; the discharging module is connected with the charging power supply interface and charges the battery device; the second data acquisition module is used for acquiring the output current and the output voltage of the charging device; the second temperature acquisition module is used for acquiring the temperatures of the power supply module and the discharge module.
As a specific example, referring to fig. 6, the second data collecting module may be an analog front end for collecting the output voltage and current of the charger; the second temperature acquisition module can be two NTC temperature acquisition units which respectively acquire the temperatures of the charger power supply and the charger discharge module. The charger can carry out safety protection by judging the collected voltage, current and temperature set thresholds, and the charger is used as a redundant device for battery safety protection.
Additionally, in one embodiment, the discharge module may include: a power resistor and a fan; the power resistor is used for receiving the control of the charging device and discharging the battery device connected with the charging device; the fan is used for radiating the discharging module when the temperature of the discharging module is greater than the second threshold value. That is to say, the charger can carry out the undercurrent to the battery through the mode of controlling MOS pipe gating power resistance inside, dispels the heat through gathering the partial temperature information control fan of discharging.
As a specific example, referring to fig. 7, the charging device 100-1 and the charging device 100-2 are cascaded, and the charging communication module 101-1 includes: a charging bus unit and a third communication interface 701-1; the charging bus unit includes a first charging bus 710-1 and a second charging bus 720-1, the first charging bus 710-1 is used for communication between a plurality of charging devices, and the second charging bus 720-1 is used for communication between the charging device and the battery device; the third communication interface 701-1 is used for communication between the charging device and the local exchange, and uploads data of the battery management system to the cloud in real time through the router connected to the local exchange.
The first charging buses 710-1 and 710-2 may be 485 buses or CAN buses, the second charging buses 720-1 and 720-2 may be CAN buses, and the third communication interfaces 701-1 and 701-2 may be network interfaces of RJ 45.
Referring to fig. 2, 6 and 7, the charger is equipped with two CAN buses, one 485 bus and one RJ45 network interface. The charger communicates with the battery through one CAN bus (namely, a second charging bus) and CAN be cascaded with a plurality of batteries; the chargers are cascaded through one CAN bus or one 485 bus (namely, a first charging bus) (an outlet of the first charging bus 710-1 is connected with an inlet of the first charging bus 710-2, an outlet of the first charging bus 710-2 CAN be connected with an inlet of the first charging bus on the next charging communication module, and so on … …), so that a plurality of chargers CAN work simultaneously and report real-time data information to local terminal equipment through the same bus; the charger is connected with the local switch through an RJ45 network interface (namely, a third communication interface) for network intercommunication, and data can be reported to the cloud end in real time through a 4G, 5G or optical fiber router for remote monitoring.
The invention provides an unmanned aerial vehicle battery management system, which comprises: at least one charging device and a plurality of battery devices; the charging device is used for charging a plurality of battery devices, and the battery devices are loaded on the unmanned aerial vehicle and provide power for the unmanned aerial vehicle; the charging device comprises a charging communication module and a charging power supply interface; the charging device is connected with the battery device through the charging communication module and the charging power interface; the battery device comprises a battery communication module and a battery charging interface; the battery communication module is used for connecting the charging communication module or the battery communication module of the last connected battery device; the battery charging interface is used for stopping charging the current battery device when the electric quantity of the current battery device reaches a first threshold value, and connecting the battery charging interface of the next battery device to be connected for charging. The problem that the management and use efficiency of the unmanned aerial vehicle battery is low can be solved through the system, and the effect of improving the management efficiency of the unmanned aerial vehicle battery is achieved.
The embodiment of the invention also provides an unmanned aerial vehicle battery management method, which is applied to the unmanned aerial vehicle battery management system of any one of the above embodiments, and comprises the following steps:
s110: the battery device collects a first voltage value of the charging interface and judges whether to access the charging device or not based on the first voltage value;
s120: the battery device judges whether the charging device is matched with the battery device or not through the battery communication module, and if the charging device is matched with the battery device, the charging is carried out through the battery charging interface;
s130: the battery device collects a second voltage value of the charging interface and judges whether the battery device is in a full-charge state or not based on the second voltage value; and when the battery device is in a full-charge state, disconnecting the battery charging interface to stop charging.
In one embodiment, the method further comprises: the battery device judges the connection state of the current battery device and the unmanned aerial vehicle through the information read by the first communication interface;
if the current battery device is connected with the unmanned aerial vehicle, the battery device judges whether the current battery device is matched with the unmanned aerial vehicle or not according to the information of the unmanned aerial vehicle; when the battery device is matched with the unmanned aerial vehicle, the battery device supplies power to the unmanned aerial vehicle;
if the front battery device is disconnected with the unmanned aerial vehicle, the battery device judges whether the current battery device is separated from the unmanned aerial vehicle or not according to the information of the unmanned aerial vehicle; when battery device and unmanned aerial vehicle break away from, power supply interface is closed to battery device.
That is to say, the battery judges whether to be connected to the aircraft through reading the IO mode of aircraft interface, obtains aircraft information through NFC after being connected to the aircraft and judges whether the aircraft matches, automatically turns on switch. When the battery is separated from the airplane, whether the battery is separated from the airplane is judged through IO, NFC information is collected at the same time to judge whether the battery is really separated from the airplane, and a power supply is automatically turned off to prevent danger of IO false triggering caused by airplane vibration.
After the battery is connected to the airplane, the battery is communicated with the airplane in real time through the CAN bus, and battery real-time information is uploaded. The battery is provided with one inlet and one outlet charging interfaces, the two MOS tubes are used for selecting to conduct the battery or conduct cascade connection, one charger cascade connection multiple batteries are used for charging in the mode, the battery can sequentially judge whether the battery is fully charged during charging, and if the battery is fully charged, the next battery is connected in a mode of configuring MOS on-off. The battery judges whether to be connected with the charger by monitoring the voltage state of the charging interface, and simultaneously determines whether the information of the charger is matched through CAN bus communication, and automatically turns on a power supply to charge. The battery acquires full-charge information by monitoring the states of voltage and current, and the power supply is automatically disconnected to stop charging. The battery is subjected to safety protection by judging the collected voltage, current and temperature set thresholds, and the power supply is automatically turned off to protect the safety of the battery when the threshold is exceeded.
In the embodiment, the battery is automatically switched on and off through interaction with the charger and interaction with the airplane, so that the unmanned automatic airport is better suitable for an automatic power changing scheme. The battery interacts with the airplane through various means, so that sufficient redundancy is achieved, and the problem of switch false triggering on the airplane is solved. The charger and the battery CAN be connected in a many-to-many scheme, one charger CAN be connected with a plurality of batteries in a CAN bus mode, and the charger CAN also be cascaded through 485 or CAN bus communication to upload data, so that the problem of efficiency of an automatic power switching scheme CAN be solved by random combination aiming at unmanned automatic airports with different operating pressures. The charger can discharge the fully charged battery according to the state of the battery when no operation task exists, so that the storage mode of the battery is optimized, and the service life of the battery is prolonged.
It should be noted that: like reference numbers and letters indicate like items in the figures of the specification, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein.
Claims (10)
1. An unmanned aerial vehicle battery management system, comprising: at least one charging device and a plurality of battery devices; the charging device is used for charging a plurality of battery devices, and the battery devices are loaded on the unmanned aerial vehicle and used for providing power for the unmanned aerial vehicle;
the charging device comprises a charging communication module and a charging power supply interface; the charging device is connected with the battery device through the charging communication module and the charging power supply interface;
the battery device comprises a battery communication module and a battery charging interface; the battery communication module is used for connecting the charging communication module or the battery communication module of the last connected battery device;
the charging device charges the plurality of battery devices through the charging power supply interface; the battery charging interface is used for stopping charging the current battery device when the electric quantity of the current battery device reaches a first threshold value, and connecting the battery charging interface of the next battery device to be connected for charging.
2. The unmanned aerial vehicle battery management system of claim 1, wherein the battery communication module comprises: the NFC communication device comprises a first battery bus unit, a first communication interface and an NFC receiving unit;
the first battery bus unit is used for connecting the charging device;
the first communication interface is used for being connected with a second communication interface of the unmanned aerial vehicle, and information read through the first communication interface is used for judging the current connection state of the battery device and the unmanned aerial vehicle;
the NFC receiving unit is used for reading the information of the unmanned aerial vehicle connected with the battery device.
3. The unmanned aerial vehicle battery management system of claim 2, wherein the first battery bus unit comprises: a battery bus access port and a battery bus output port;
the battery bus access port is used for connecting the charging communication module or a battery bus output port of the last connected battery device; and the battery bus output port is used for connecting a battery bus access port of the next battery device to be connected.
4. The unmanned aerial vehicle battery management system of claim 1, wherein the battery charging interface comprises a battery power input interface and a battery power output interface;
the battery power supply input interface is used for connecting the charging power supply interface or a battery power supply output interface of the last connected battery device; the battery power output interface is used for connecting a battery power input interface of the battery device to be connected next.
5. The unmanned aerial vehicle battery management system of claim 1, wherein the battery arrangement further comprises: the device comprises a first data acquisition module and a first temperature acquisition module;
the first data acquisition module is used for acquiring the voltage and the current of the battery device;
the first temperature acquisition module is used for acquiring the surface of the battery, the interior of the battery and the temperature on the control panel of the battery.
6. The unmanned aerial vehicle battery management system of claim 1, wherein the charging device comprises: the device comprises a power supply module, a discharge module, a second data acquisition module and a second temperature acquisition module;
the power supply module is used for providing a power supply for the charging device; the discharging module is connected with the charging power supply interface and charges the battery device;
the second data acquisition module is used for acquiring the output current and the output voltage of the charging device;
the second temperature acquisition module is used for acquiring the temperatures of the power supply module and the discharge module.
7. The unmanned aerial vehicle battery management system of claim 6, wherein the discharge module comprises: a power resistor and a fan;
the power resistor is used for receiving the control of the charging device and discharging the battery device connected with the charging device;
the fan is used for radiating the discharging module when the temperature of the discharging module is greater than a second threshold value.
8. The unmanned aerial vehicle battery management system of claim 1, wherein the charging communication module comprises: a charging bus unit and a third communication interface;
the charging bus unit comprises a first charging bus and a second charging bus, the first charging bus is used for communication among a plurality of charging devices, and the second charging bus is used for communication among the charging devices and the battery device;
the third communication interface is used for communication between the charging device and a local switch, and uploads data of the battery management system to a cloud end in real time through a router connected with the local switch.
9. A battery management method for a drone, the method being applied to the battery management system for a drone of any one of claims 1 to 8, the method including:
the battery device collects a first voltage value of a charging interface and judges whether to be connected to the charging device or not based on the first voltage value;
the battery device judges whether the charging device is matched with the battery device or not through the battery communication module, and if the charging device is matched with the battery device, the battery device is charged through the battery charging interface;
the battery device collects a second voltage value of the charging interface and judges whether the battery device is in a full-charge state or not based on the second voltage value; and when the battery device is in a full-charge state, disconnecting the battery charging interface to stop charging.
10. The drone battery management method of claim 9, further comprising:
the battery device judges the current connection state of the battery device and the unmanned aerial vehicle through the information read by the first communication interface;
if the battery device is connected with the unmanned aerial vehicle currently, the battery device judges whether the battery device is matched with the unmanned aerial vehicle currently according to the information of the unmanned aerial vehicle; when the battery device is matched with the unmanned aerial vehicle, the battery device supplies power to the unmanned aerial vehicle;
if the battery device is disconnected with the unmanned aerial vehicle, the battery device judges whether the battery device is separated from the unmanned aerial vehicle currently according to the information of the unmanned aerial vehicle; when the battery device with when unmanned aerial vehicle breaks away from, power supply interface is closed to the battery device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110617609.3A CN113320433B (en) | 2021-06-02 | 2021-06-02 | Unmanned aerial vehicle battery management system and management method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110617609.3A CN113320433B (en) | 2021-06-02 | 2021-06-02 | Unmanned aerial vehicle battery management system and management method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113320433A true CN113320433A (en) | 2021-08-31 |
| CN113320433B CN113320433B (en) | 2023-06-23 |
Family
ID=77419470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110617609.3A Active CN113320433B (en) | 2021-06-02 | 2021-06-02 | Unmanned aerial vehicle battery management system and management method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113320433B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976867A (en) * | 2010-10-21 | 2011-02-16 | 中山大学 | Special power battery management system for electric vehicle and implementation method thereof |
| CN107856559A (en) * | 2017-10-24 | 2018-03-30 | 西北工业大学 | A kind of power battery management system of electric automobile |
| US20190168632A1 (en) * | 2016-08-08 | 2019-06-06 | Byd Company Limited | Electric-vehicle energy management system, control method thereof, and electric vehicle |
| CN110391680A (en) * | 2018-04-23 | 2019-10-29 | 深圳市星磁科技有限公司 | Charging unit and charge control method |
| CN110752645A (en) * | 2019-11-25 | 2020-02-04 | 广东博力威科技股份有限公司 | Parallel charging and discharging management system for multiple batteries |
| US10630082B1 (en) * | 2018-11-06 | 2020-04-21 | Wing Aviation Llc | Power communication to regulate charge of unmanned aerial vehicle |
| CN111509813A (en) * | 2020-05-29 | 2020-08-07 | 成都博高信息技术股份有限公司 | Safe charging device and system for battery of electric vehicle |
-
2021
- 2021-06-02 CN CN202110617609.3A patent/CN113320433B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976867A (en) * | 2010-10-21 | 2011-02-16 | 中山大学 | Special power battery management system for electric vehicle and implementation method thereof |
| US20190168632A1 (en) * | 2016-08-08 | 2019-06-06 | Byd Company Limited | Electric-vehicle energy management system, control method thereof, and electric vehicle |
| CN107856559A (en) * | 2017-10-24 | 2018-03-30 | 西北工业大学 | A kind of power battery management system of electric automobile |
| CN110391680A (en) * | 2018-04-23 | 2019-10-29 | 深圳市星磁科技有限公司 | Charging unit and charge control method |
| US10630082B1 (en) * | 2018-11-06 | 2020-04-21 | Wing Aviation Llc | Power communication to regulate charge of unmanned aerial vehicle |
| CN110752645A (en) * | 2019-11-25 | 2020-02-04 | 广东博力威科技股份有限公司 | Parallel charging and discharging management system for multiple batteries |
| CN111509813A (en) * | 2020-05-29 | 2020-08-07 | 成都博高信息技术股份有限公司 | Safe charging device and system for battery of electric vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113320433B (en) | 2023-06-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10826137B2 (en) | Battery management method, battery, flight control system and unmanned aerial vehicle | |
| CN106849232B (en) | Method and system for realizing automatic switching of multiple battery packs of electric vehicle | |
| US7956579B2 (en) | Battery charge management system for charging a battery bank that includes a plurality of batteries | |
| WO2023034948A1 (en) | Mode-based disabling of communication bus of a battery management system | |
| CN108808751B (en) | Power supply system and method for battery replacement station | |
| CN106450517B (en) | battery module combination system | |
| CN112600264B (en) | Control method and system of parallel battery packs, electronic equipment and vehicle | |
| CN110116622A (en) | Battery system used for rail vehicle | |
| CN113659681A (en) | Slave control module, battery management system, method and storage medium | |
| CN104269899A (en) | Onboard lithium ion battery system | |
| CN110571482A (en) | High-voltage distribution box for battery pack and control method thereof | |
| CN115842176A (en) | Energy storage system and management method of energy storage system | |
| KR20200038817A (en) | System and method for communicating between BMS | |
| CN217009386U (en) | Energy storage battery cluster | |
| CN216672645U (en) | Lithium ion battery management system | |
| CN110126673B (en) | Battery echelon utilization management system, electric automobile and communication base station | |
| CN208571667U (en) | A kind of extension transformer substation communication equipment power-on time device | |
| CN113320433B (en) | Unmanned aerial vehicle battery management system and management method | |
| CN117239937B (en) | Data interaction method and device of battery management system and storage medium | |
| CN112217275A (en) | Vehicle-mounted double-battery system | |
| CN113054701A (en) | Built-in multi-battery parallel management system and management method thereof | |
| CN116780711A (en) | Battery management method, system, battery pack, low-altitude vehicle and storage medium | |
| CN107985614A (en) | Vehicle-mounted flight control system and automobile | |
| CN216312694U (en) | Battery system | |
| CN221476755U (en) | Vehicle power supply system and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |