CN105548904A - Unmanned aerial vehicle intelligent battery circuit, unmanned aerial vehicle circuit system and unmanned aerial vehicle - Google Patents
Unmanned aerial vehicle intelligent battery circuit, unmanned aerial vehicle circuit system and unmanned aerial vehicle Download PDFInfo
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- CN105548904A CN105548904A CN201610012760.3A CN201610012760A CN105548904A CN 105548904 A CN105548904 A CN 105548904A CN 201610012760 A CN201610012760 A CN 201610012760A CN 105548904 A CN105548904 A CN 105548904A
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- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009191 jumping Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000003708 edge detection Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R31/3842—Arrangements for monitoring battery or accumulator variables, e.g. SoC combining voltage and current measurements
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Abstract
The invention discloses an unmanned aerial vehicle intelligent battery circuit, an unmanned aerial vehicle circuit system and an unmanned aerial vehicle. The unmanned aerial vehicle intelligent battery circuit comprises a battery pack unit; a microcontroller communicating with the battery pack unit; a voltage acquisition circuit; and a current acquisition circuit, wherein the voltage acquisition circuit is used for acquiring voltages of each single battery body and converting the voltages into voltage acquisition circuit voltage signals for transmitting to the microcontroller; the current acquisition circuit is used for acquiring voltages of the battery pack unit and converting the voltages into current acquisition circuit voltage signals for transmitting to the microcontroller; and the microcontroller is used for converting the signals into residual electric quantity signals. The unmanned aerial vehicle intelligent battery electric quantity detection method provided by the invention detect a residual electric quantity respectively through a voltage acquisition circuit mode and a current acquisition circuit mode so as to substantially improve the accuracy of the detected electric quantity and prevent the problems of inaccurate electric quantity monitoring, severe electric quantity display jump and the like in the prior art.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to an intelligent battery circuit of an unmanned aerial vehicle, an unmanned aerial vehicle circuit system and the unmanned aerial vehicle.
Background
The unmanned plane is called unmanned plane for short, and is called UAV in English, and is an unmanned plane operated by radio remote control equipment and a self-contained program control device. The unmanned aerial vehicle can carry various loads to complete various complex tasks, and particularly has wide application in various fields such as photography, pesticide spraying, fire prevention and disaster relief, communication, public security and antiterrorism, drug control and smuggling and the like.
In the prior art, the detection of the power of the unmanned aerial vehicle battery in the prior art simply detects the OCV (open circuit voltage) of the battery, and indicates the available power of the unmanned aerial vehicle through the OCV and SOC (remaining power) comparison table provided by a battery core manufacturer. This method can measure different values under different throttle and cannot tell the user exactly how long the aircraft battery is available.
Accordingly, a technical solution is desired to overcome or at least alleviate at least one of the above-mentioned drawbacks of the prior art.
Disclosure of Invention
It is an object of the present invention to provide a drone smart battery circuit that overcomes or at least mitigates at least one of the above-mentioned disadvantages of the prior art.
In order to achieve the above object, the present invention provides an intelligent battery circuit for an unmanned aerial vehicle, comprising: the battery pack unit comprises a plurality of battery strings which are connected in parallel, each battery string is formed by connecting a plurality of single batteries in series, and the battery strings which are connected in parallel have an output end; the input end of the microcontroller is communicated with the output end of the battery pack unit; a voltage acquisition circuit disposed between the battery pack unit and the microcontroller; the current acquisition circuit is arranged between the battery pack unit and the microcontroller; the voltage acquisition circuit is used for acquiring the voltage of each single battery in the battery pack unit, converting the acquired voltage into a voltage signal of the voltage acquisition circuit and transmitting the voltage signal to the microcontroller; the current acquisition circuit is used for acquiring the voltage of the battery pack unit, converting the voltage into a voltage signal of the current acquisition circuit and transmitting the voltage signal to the microcontroller; the microcontroller is used for receiving and processing the voltage signal of the voltage acquisition circuit and the current signal of the current acquisition circuit and converting the voltage signal and the current signal into a residual electric quantity signal.
Preferably, the battery pack unit further includes a parallel resistance circuit disposed between the microcontroller and the output end of the battery string connected in parallel to each other, and connected in parallel to the current collecting circuit.
Preferably, the parallel resistance circuit comprises two precision resistors connected in parallel with each other.
Preferably, the unmanned aerial vehicle intelligent battery circuit further comprises a power supply circuit module, a power supply circuit module and a power supply module, wherein the power supply circuit module is arranged between the parallel resistance circuit and the microcontroller and is used for converting the current output by the battery pack unit into working current; a voltage dropping circuit disposed between the parallel resistance circuit and the microcontroller; and the voltage stabilizing circuit is arranged between the voltage reducing circuit and the microcontroller.
The invention also provides an unmanned aerial vehicle circuit system, and the aircraft master control circuit comprises the unmanned aerial vehicle intelligent battery circuit.
Preferably, the aircraft general control circuit further comprises a flight control module; the output end of a microcontroller in the unmanned aerial vehicle intelligent battery circuit is connected with the flight control module through a CAN transceiver module; the output end of the microcontroller is connected with the electric quantity display module, and the electric quantity display module is used for displaying the residual electric quantity signal transmitted by the microcontroller.
Preferably, the aircraft general control circuit further comprises: and the power electricity on-off control module is connected with the output end of the microcontroller and is used for switching on and off the circuit where the power electricity on-off control module is located.
Preferably, the aircraft general control circuit further comprises a switch module, wherein the switch module is arranged between the power electricity on-off control module and the microcontroller, and is used for controlling the power electricity on-off control module and controlling the on-off of a circuit where the microcontroller is located.
The invention also provides an unmanned aerial vehicle which comprises the aircraft general control circuit.
Preferably, unmanned aerial vehicle still includes the module of charging, including at least balanced the module of charging in the module of charging, balanced the module of charging with the group battery unit is connected for the electric quantity of the battery cell in balanced every group battery unit.
According to the unmanned aerial vehicle intelligent battery electric quantity detection method, the residual electric quantity is respectively detected through the voltage acquisition circuit and the current acquisition circuit, so that the accuracy of the detected electric quantity can be greatly improved, and the problems of inaccurate electric quantity monitoring, serious electric quantity display jumping and the like in the prior art are prevented.
Drawings
Fig. 1 is a schematic diagram of an unmanned aerial vehicle circuitry according to an embodiment of the present invention.
Reference numerals:
| 1 | battery pack unit | 8 | Voltage stabilizing circuit |
| 2 | Micro-controller | 9 | Flight control module |
| 3 | Voltage acquisition circuit | 10 | CAN transceiver module |
| 4 | Current acquisition circuit | 11 | Electric quantity display module |
| 5 | Parallel resistance circuit | 12 | Power electricity on-off control module |
| 6 | Power supply circuit module | 13 | Switch module |
| 7 | Voltage reduction circuit |
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting 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. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The intelligent battery circuit of the unmanned aerial vehicle comprises a battery pack unit, a microcontroller, a voltage acquisition circuit and a current acquisition circuit. The battery pack unit comprises a plurality of battery strings which are connected in parallel, each battery string is formed by connecting a plurality of single batteries in series, and the battery strings which are connected in parallel have an output end; the input end of the microcontroller is communicated with the output end of the battery pack unit; the voltage acquisition circuit is arranged between the battery pack unit and the microcontroller; the current acquisition circuit is arranged between the battery pack unit and the microcontroller; the voltage acquisition circuit is used for acquiring the voltage of each single battery in the battery pack unit, converting the acquired voltage into a voltage signal of the voltage acquisition circuit and transmitting the voltage signal to the microcontroller; the current acquisition circuit is used for acquiring the voltage of the battery pack unit, converting the voltage into a voltage signal of the current acquisition circuit and transmitting the voltage signal to the microcontroller; the microcontroller is used for receiving and processing the voltage signal of the voltage acquisition circuit and the current signal of the current acquisition circuit and converting the voltage signal and the current signal into a residual electric quantity signal.
According to the unmanned aerial vehicle intelligent battery electric quantity detection method, the residual electric quantity is respectively detected through the voltage acquisition circuit and the current acquisition circuit, so that the accuracy of the detected electric quantity can be greatly improved, and the problems of inaccurate electric quantity monitoring, serious electric quantity display jumping and the like in the prior art are prevented.
Fig. 1 is a schematic diagram of an unmanned aerial vehicle circuitry according to an embodiment of the present invention.
The unmanned aerial vehicle circuit system shown in fig. 1 includes a battery pack unit 1, a microcontroller 2, a current acquisition circuit 4, a voltage acquisition circuit 3, a parallel resistance circuit 5, a power supply circuit module 6, a voltage reduction circuit 7, and a voltage stabilization circuit 8.
Referring to fig. 1, in the present embodiment, a battery pack unit 1 includes a plurality of battery strings connected in parallel with each other, each battery string being formed by connecting a plurality of unit batteries in series, the battery strings connected in parallel with each other having an output terminal. The input of the microcontroller 2 communicates with the output of the battery unit 1.
Referring to fig. 1, in the present embodiment, a voltage acquisition circuit 3 is provided between a battery pack unit 1 and a microcontroller 2. The current collection circuit 4 is provided between the battery unit 1 and the microcontroller 2. That is, in the present embodiment, the microcontroller 2 communicates with the battery unit 1 through the voltage acquisition circuit 3 and the current acquisition circuit 4.
In the above description, the voltage acquisition circuit 3 is used for acquiring the voltage of each single battery in the battery unit 1, and converting the acquired voltage into a voltage signal of the voltage acquisition circuit and transmitting the voltage signal to the microcontroller 2; the current acquisition circuit 4 is used for acquiring the voltage of the battery pack unit 1, converting the voltage into a voltage signal of the current acquisition circuit and transmitting the voltage signal to the microcontroller 2; the microcontroller 2 is used for receiving and processing the voltage signal of the voltage acquisition circuit and the current signal of the current acquisition circuit and converting the signals into residual electric quantity signals.
Advantageously, in the present embodiment, a parallel resistance circuit 5 is provided between the microcontroller 2 and the outputs of the battery strings connected in parallel to each other, and in parallel to the current acquisition circuit 4. Specifically, in the present embodiment, the parallel resistance circuit includes two precision resistors connected in parallel with each other.
By adopting the structure, the current output by the intelligent battery cell firstly passes through the two parallel precise resistors. The current acquisition circuit 4 is connected in parallel with the two parallel precise resistors so as to acquire the current at two ends of the two precise resistors, and the topological structure is high-edge detection. The high-side detection can not introduce bottom line interference, and can also detect the short-circuit fault of the battery and the system.
In the present embodiment, the power supply circuit module 6 is disposed between the parallel resistance circuit 5 and the microcontroller 2, and is configured to convert the current output by the battery unit 1 into an operating current. Specifically, the power supply circuit module 6 is an IC board provided with the battery pack unit 1 provided thereon.
In the present embodiment, the voltage reduction circuit 7 is disposed between the parallel resistance circuit 5 and the microcontroller 2, and is configured to reduce the voltage transmitted from the parallel resistance circuit 5.
In the present embodiment, the voltage stabilization circuit 8 is provided between the voltage reduction circuit 7 and the microcontroller 2.
The invention also provides an unmanned aerial vehicle circuit system, wherein the aircraft master control circuit comprises the unmanned aerial vehicle intelligent battery circuit, the flight control module 9, the electric quantity display module 11, the power electricity on-off control module 12 and the switch module 13.
Referring to fig. 1, in this embodiment, the output of the microcontroller 2 in the smart battery circuit of the drone is connected to the flight control module 9 through the CAN transceiver module 10.
In this embodiment, the output end of the microcontroller 2 is connected to the electric quantity display module 11, and the electric quantity display module 11 is configured to display the remaining electric quantity signal transmitted by the microcontroller 2.
Referring to fig. 1, in the present embodiment, the power on-off control module 12 is connected to an output end of the microcontroller 2, and is configured to turn on or off a circuit in which the power on-off control module 12 is located.
In this embodiment, the switch module 13 is disposed between the power on-off control module 12 and the microcontroller 2, and is used for controlling the power on-off control module 12 and controlling on-off of a circuit where the microcontroller 2 is located.
The invention also provides an unmanned aerial vehicle which comprises the aircraft general control circuit.
Advantageously, the unmanned aerial vehicle further comprises a charging module, the charging module at least comprises a balance charging module, and the balance charging module is connected with the battery pack unit and used for balancing the electric quantity of the single batteries in each battery pack unit.
When the battery pack unit is charged, each single battery cell can be fully charged only by using balanced charging, and meanwhile, the battery cells are protected, so that the service life of the battery is prevented from being damaged by overshoot. In the prior art, a balance charging circuit is usually close to an electric core, and the electric core and the balance charging circuit generate heat simultaneously during charging overshoot, so that the service life of a battery is influenced. By adopting the structure of the invention, the balanced charging module is placed in the charger, so that the influence of self-heating of the balanced charging module on the battery cell is reduced.
In the embodiments provided in the present invention, it should be understood that the disclosed related devices and methods may be implemented in other ways. For example, the switch modules described above are merely illustrative, and for example, the division of the modules and units is only one logical functional division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be through some interfaces, indirect coupling or communication of devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, that is, may be located in one place, or may also be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented as a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium, with the understanding that the aspects of the present invention, in essence or a part thereof contributing to the prior art, or all or part thereof, may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer processor to perform all or part of the steps of the methods according to the various embodiments of the present invention. The storage medium includes various media capable of storing program codes, such as a usb disk, a removable hard disk, a read-only memory, a random access memory, a magnetic disk, or an optical disk.
Finally, it should be pointed out that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides an unmanned aerial vehicle smart battery circuit which characterized in that, unmanned aerial vehicle smart battery circuit includes:
the battery pack unit (1), the battery pack unit (1) comprises a plurality of battery strings which are connected in parallel with each other, each battery string is formed by connecting a plurality of single batteries in series, and the battery strings which are connected in parallel with each other have an output end;
a microcontroller (2), an input of the microcontroller (2) being in communication with an output of the battery unit (1);
a voltage acquisition circuit (3), the voltage acquisition circuit (3) being arranged between the battery unit (1) and the microcontroller (2); and
a current acquisition circuit (4), the current acquisition circuit (4) being arranged between the battery unit (1) and the microcontroller (2); wherein,
the voltage acquisition circuit (3) is used for acquiring the voltage of each single battery in the battery pack unit (1), converting the acquired voltage into a voltage signal of the voltage acquisition circuit and transmitting the voltage signal to the microcontroller (2);
the current acquisition circuit (4) is used for acquiring the voltage of the battery pack unit (1), converting the voltage into a current acquisition circuit voltage signal and transmitting the current acquisition circuit voltage signal to the microcontroller (2);
and the microcontroller (2) is used for receiving and processing the voltage signal of the voltage acquisition circuit and the current signal of the current acquisition circuit and converting the voltage signal and the current signal into a residual electric quantity signal.
2. An unmanned aerial vehicle smart battery circuit as defined in claim 1, wherein the battery pack unit further comprises a parallel resistance circuit (5), the parallel resistance circuit (5) being disposed between the microcontroller (2) and the output of the battery string connected in parallel to each other and in parallel with the current collection circuit (4).
3. An unmanned aerial vehicle smart battery circuit as defined in claim 2, wherein the parallel resistance circuit comprises two precision resistors in parallel with each other.
4. The drone smart battery circuit of claim 2, further comprising:
the power supply circuit module (6), the power supply circuit module (6) is arranged between the parallel resistance circuit (5) and the microcontroller (2), and is used for converting the current output by the battery pack unit (1) into working current;
a voltage dropping circuit (7), the voltage dropping circuit (7) being disposed between the parallel resistance circuit (5) and the microcontroller (2);
and the voltage stabilizing circuit (8), wherein the voltage stabilizing circuit (8) is arranged between the voltage reducing circuit (7) and the microcontroller (2).
5. An unmanned aerial vehicle circuit system, wherein the aircraft general control circuit comprises the unmanned aerial vehicle smart battery circuit of any one of claims 1 to 4.
6. The drone circuitry of claim 5, wherein the aircraft general control circuitry further comprises:
a flight control module (9); the output end of a microcontroller (2) in the unmanned aerial vehicle intelligent battery circuit is connected with the flight control module (9) through a CAN transceiver module (10);
the power display device comprises a power display module (11), wherein the output end of the microcontroller (2) is connected with the power display module (11), and the power display module (11) is used for displaying a residual power signal transmitted by the microcontroller (2).
7. The drone circuitry of claim 6, wherein the aircraft general control circuitry further comprises:
the power electricity on-off control module (12), the power electricity on-off control module (12) is connected with the output end of the microcontroller (2) and is used for on-off of a circuit where the power electricity on-off control module (12) is located.
8. The unmanned aerial vehicle circuit system of claim 7, wherein the aircraft general control circuit further comprises a switch module (13), the switch module (13) being disposed between the power on-off control module (12) and the microcontroller (2) and being configured to control the power on-off control module (12), and
and controlling the on-off of a circuit where the microcontroller (2) is located.
9. A drone, characterized in that it comprises an aircraft general control circuit according to any one of claims 5 to 8.
10. The unmanned aerial vehicle of claim 9, further comprising charging modules, wherein the charging modules include at least a balancing charging module, and the balancing charging module is connected with the battery pack unit and is used for balancing the electric quantity of the single battery in each battery pack unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610012760.3A CN105548904A (en) | 2016-01-11 | 2016-01-11 | Unmanned aerial vehicle intelligent battery circuit, unmanned aerial vehicle circuit system and unmanned aerial vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610012760.3A CN105548904A (en) | 2016-01-11 | 2016-01-11 | Unmanned aerial vehicle intelligent battery circuit, unmanned aerial vehicle circuit system and unmanned aerial vehicle |
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| CN105548904A true CN105548904A (en) | 2016-05-04 |
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| CN106774358A (en) * | 2016-11-17 | 2017-05-31 | 广州极飞科技有限公司 | Unmanned plane intelligent battery and its control method, device and unmanned plane |
| CN107976638A (en) * | 2017-12-25 | 2018-05-01 | 顺丰科技有限公司 | A kind of battery information checking device |
| CN109239609A (en) * | 2018-11-02 | 2019-01-18 | 西安航远数字技术有限公司 | A kind of in-place detection system of unmanned plane more batteries in parallel |
| US10266264B2 (en) | 2016-12-05 | 2019-04-23 | Autel Robotics Co., Ltd. | Unmanned aerial vehicle |
| CN110361667A (en) * | 2019-07-31 | 2019-10-22 | 西安爱生无人机技术有限公司 | The battery electric quantity checking device and method of pure electric vehicle unmanned plane |
| CN112763932A (en) * | 2020-12-27 | 2021-05-07 | 西北工业大学 | Power monitoring system for small and medium-sized electric propulsion unmanned aerial vehicle |
| US11085993B2 (en) | 2017-11-27 | 2021-08-10 | Lingtrack Technology (shenzhen) Co., Ltd. | Method and apparatus of positioning with curved light surface |
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