CN114448292A - Power management and electric regulation integrated module and method - Google Patents
Power management and electric regulation integrated module and method Download PDFInfo
- Publication number
- CN114448292A CN114448292A CN202111598344.3A CN202111598344A CN114448292A CN 114448292 A CN114448292 A CN 114448292A CN 202111598344 A CN202111598344 A CN 202111598344A CN 114448292 A CN114448292 A CN 114448292A
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- mos tube
- motor
- chip microcomputer
- power
- control gate
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/46—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors for speed regulation of two or more dynamo-electric motors in relation to one another
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
- H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters with pulse width modulation
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electronic Switches (AREA)
Abstract
The invention relates to a power management and electric regulation integrated module and a method, which comprises an integrated module and a mechanical switch, wherein the integrated module comprises a single chip microcomputer, a drive plate and an electronic switch, when the mechanical switch is closed, the drive plate and the single chip microcomputer are sequentially electrified, the single chip microcomputer receives an external rotating speed control signal and outputs a PWM (pulse width modulation) signal after resolving, a motor is controlled to rotate at a specified rotating speed, and after the mechanical switch is disconnected, the drive plate and the single chip microcomputer are powered off, the electronic switch is disconnected, and the input and the output of a power supply are cut off. The beneficial effects are as follows: utilize the MOS pipe of electricity accent as the electronic switch of power management module for power management module and electricity accent share same set of electronic switch, the MOS pipe is as power management module's electronic switch, leakage current control is in the uA level in the circuit, reduce from discharging, solve unmanned aerial vehicle long-term storage problem, the singlechip can realize the clock synchronization on the chip, can make each way PWM output phase uniform stagger, reduce power input peak power, reduce the requirement to the battery instantaneous discharge multiplying power.
Description
Technical Field
The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to a power management and electric regulation integrated module and a method.
Background
As weapon equipment, the unmanned aerial vehicle has the advantages of long time lag, intelligence, controllability, no threat of casualties and the like, is favored by all parties, and is tightened and put into research and deployment in all countries. The unmanned aerial vehicle is used as weapon equipment, the load capacity of the unmanned aerial vehicle is positively correlated with the damage power, and the unmanned aerial vehicle is an important technical index for evaluating the advantages and disadvantages of the unmanned aerial vehicle. The load lifting capacity is generally characterized by weight reduction of the structure, system integration, power system optimization, control optimization and the like. The system components of the existing unmanned aerial vehicle generally comprise a structure, a flight control and navigation module, a battery, a power management module, an electric controller, a motor, a propeller, a data chain, a load and the like. In the system composition, power management module and electricity are often separated into two independent modules with the electricity accent, and each has independent structure encapsulation, and the volume that occupies and weight are great, and it is unfavorable for losing weight extremely, seriously influences unmanned aerial vehicle load capacity. Meanwhile, the existing power management module usually adopts the form of an electronic switch and a single chip microcomputer to control the on-off of the input and the output of the power supply, and under the storage state of the unmanned aerial vehicle, the power management module still works at low power consumption, so that the large self-discharge condition exists, the unmanned aerial vehicle is not favorable for long-term storage as weapon equipment, and the long-term storage requirement of the unmanned aerial vehicle cannot be met.
Disclosure of Invention
For solving prior art's not enough, there is the problem that occupies the volume, weight is big to vertical power management module and electricity accent in the unmanned aerial vehicle system to current, and current power management module operating mechanism exists self-discharge, can't satisfy the problem that long storage required, this patent provides a power management and electricity accent collection moulding piece and method, this application utilizes the MOS pipe of electricity accent as power management module's electronic switch for same set of electronic switch of power management module and electricity accent sharing, thereby reach the integrated purpose.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a power management and electric regulation integrated module comprises an integrated module and a mechanical switch,
the integrated module comprises a single chip microcomputer, a driving plate and an electronic switch;
the power supply sequentially passes through the mechanical switch, the drive plate, the single chip microcomputer and the electronic switch;
the ports of the driving board comprise a driving board power supply port, a motor high-voltage first control gate, a motor high-voltage second control gate, a motor high-voltage third control gate, a motor low-voltage first control gate, a motor low-voltage second control gate, a motor low-voltage third control gate and a first communication and control signal flow port;
the single chip microcomputer comprises a single chip microcomputer power supply port and a second communication and control signal flow port, and the single chip microcomputer power supply port is electrically connected with the driving plate;
the first communication and control signal flow port is in communication connection with the second communication and control signal flow port;
the electronic switch comprises 6 MOS tubes which are respectively a first MOS tube, a second MOS tube, a third MOS tube, a fourth MOS tube, a fifth MOS tube and a sixth MOS tube, wherein the grid electrode of the first MOS tube is connected with the first control gate with low voltage of the motor, the source electrode of the first MOS tube is connected with the source electrode of the third MOS tube, the drain electrode of the first MOS tube is respectively connected with the source electrode of the fourth MOS tube and the first phase of the motor, the grid electrode of the second MOS tube is connected with the second control gate with low voltage of the motor, the source electrode of the second MOS tube is connected with the negative electrode of the power input, the drain electrode of the second MOS tube is respectively connected with the source electrode of the fifth MOS tube and the second phase of the motor, the grid electrode of the third MOS tube is connected with the third control gate with low voltage of the motor, the drain electrode of the third MOS tube is respectively connected with the source electrode of the sixth MOS tube and the third phase of the motor, and the grid electrode of the fourth MOS tube is connected with the first control gate with high voltage of the motor, the drain electrode of the fourth MOS tube is connected with the drain electrode of the sixth MOS tube, the grid electrode of the fifth MOS tube is connected with the high-voltage second control gate of the motor, the drain electrode of the fifth MOS tube is connected with the positive electrode of the power supply input, and the grid electrode of the sixth MOS tube is connected with the high-voltage third control gate of the motor;
one end of the mechanical switch is connected with the positive electrode of the power input, and the other end of the mechanical switch is connected with the power supply port of the driving plate.
Furthermore, the number of the integrated modules is multiple, and the multiple integrated modules are connected in parallel and then connected in series with the mechanical switch.
Preferably, the number of the mechanical switches is two, and the two mechanical switches are connected in parallel.
A power management and power regulation integration method is applied to any one of the power management and power regulation integration modules, and comprises the following steps:
when the mechanical switch is closed, the driving plate and the single chip microcomputer are sequentially powered on, the single chip microcomputer receives an external rotating speed control signal, outputs a PWM signal after resolving, and controls the motor to rotate at a specified rotating speed;
after the mechanical switch is disconnected, the drive board and the single chip microcomputer are powered off, the electronic switch is disconnected, and the input and the output of a power supply are cut off.
Preferably, the single-chip microcomputer in the plurality of integrated modules can realize on-chip clock synchronization and staggered output of PWM signals.
In general, the above technical solutions contemplated by the present invention can achieve the following beneficial effects:
1. the MOS tube of the electric regulation is used as an electronic switch of the power management module, so that the power management module and the electric regulation share the same set of electronic switch, devices are saved, the volume and weight ratio is reduced, and the load space and load capacity of the unmanned aerial vehicle are improved;
2. the MOS tube is used as an electronic switch of the power management module, leakage current in the circuit is controlled to be in the uA level, self-discharge is reduced, and the problem of long-term storage of the unmanned aerial vehicle is solved;
3. the single chip microcomputer can realize on-chip clock synchronization, and when a plurality of loads exist, the phases of PWM output of each path can be uniformly staggered through the clock synchronization, so that the input peak power of a power supply is reduced, and the requirement on the instantaneous discharge rate of a battery is reduced.
Drawings
Fig. 1 is a circuit schematic diagram of a power management module and method for an unmanned aerial vehicle according to the present invention.
Wherein: 1-integrated module, 2-single chip microcomputer, 3-drive board, 4-electronic switch, 41-first MOS tube, 42-second MOS tube, 43-third MOS tube, 44-fourth MOS tube, 45-fifth MOS tube, 46-sixth MOS tube, 5-motor, 6-power input positive electrode V +, 7-power input negative electrode V-, 8-mechanical switch, 9-single chip microcomputer power supply port, 10-drive board power supply port, 11-motor high voltage first control gate, 12-motor high voltage second control gate, 13-motor high voltage third control gate, 14-motor low voltage first control gate, 15-motor low voltage second control gate, 16-motor low voltage third control gate, 17-first communication and control signal flow port, 18-second communication and control signal flow port.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further 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 do not limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, the present embodiment provides a power management and power regulation integrated module, which includes an integrated module and a mechanical switch,
the integrated module comprises a singlechip, a drive plate and an electronic switch;
the power supply sequentially passes through the mechanical switch, the drive plate, the single chip microcomputer and the electronic switch;
the ports of the driving board comprise a driving board power supply port, a motor high-voltage first control gate, a motor high-voltage second control gate, a motor high-voltage third control gate, a motor low-voltage first control gate, a motor low-voltage second control gate, a motor low-voltage third control gate and a first communication and control signal flow port;
the single chip microcomputer comprises a single chip microcomputer power supply port and a second communication and control signal flow port, and the single chip microcomputer power supply port is electrically connected with the driving plate;
the first communication and control signal flow port is in communication connection with the second communication and control signal flow port and is used for signal communication between the driving plate and the single chip microcomputer;
the electronic switch comprises 6 MOS tubes, namely a first MOS tube, a second MOS tube, a third MOS tube, a fourth MOS tube, a fifth MOS tube and a sixth MOS tube, wherein the grid electrode of the first MOS tube is connected with a first control gate with low voltage of the motor, the source electrode of the first MOS tube is connected with the source electrode of the third MOS tube, the drain electrode of the first MOS tube is respectively connected with the source electrode of the fourth MOS tube and a first phase of the motor, the grid electrode of the second MOS tube is connected with a second control gate with low voltage of the motor, the source electrode of the second MOS tube is connected with the negative electrode of the power input, the drain electrode of the second MOS tube is respectively connected with the source electrode of the fifth MOS tube and a second phase of the motor, the grid electrode of the third MOS tube is connected with a third control gate with low voltage of the motor, the drain electrode of the third MOS tube is respectively connected with the source electrode of the sixth MOS tube and a third phase of the motor, the grid electrode of the fourth MOS tube is connected with a first control gate with high voltage of the motor, and the drain electrode of the fourth MOS tube is connected with the drain electrode of the sixth MOS tube, the grid electrode of the fifth MOS tube is connected with the high-voltage second control gate of the motor, the drain electrode of the fifth MOS tube is connected with the positive electrode of the power supply input, and the grid electrode of the sixth MOS tube is connected with the high-voltage third control gate of the motor;
one end of the mechanical switch is connected with the positive electrode of the power input, the other end of the mechanical switch is connected with the power supply port of the drive board, the drive board is powered off when the mechanical switch is in an off state, the single chip which takes electricity from the drive board is powered off, and the MOS tube is closed.
As a preferred scheme of the invention, an external motor rotating speed control signal received by the single chip microcomputer is resolved by the single chip microcomputer to output a PWM signal, and the PWM signal is output to the drive plate through communication and control signal stream pins on the drive plate to control the motor to rotate at a specified rotating speed.
As a preferred scheme of the invention, the number of the integrated modules is multiple, the multiple integrated modules are connected in parallel and then connected in series with the mechanical switch, and the multiple integrated modules are controlled to be switched on and off by the same mechanical switch.
In order to improve the reliability of the mechanical switches, the two mechanical switches are connected in parallel and can be triggered by the folding mechanism of the unmanned aerial vehicle when being unfolded, so that automatic electrification is realized.
Based on the power management and power regulation integrated module provided by the above embodiment, this embodiment provides a power management and power regulation integrated method, which is applied to the power management and power regulation integrated module, and includes:
when the mechanical switch is closed, the driving plate and the single chip microcomputer are sequentially powered on, the single chip microcomputer receives an external rotating speed control signal, outputs a PWM signal after resolving, and controls the motor to rotate at a specified rotating speed;
after the mechanical switch is disconnected, the drive board and the single chip microcomputer are powered off, the electronic switch is disconnected, and the input and the output of a power supply are cut off.
Preferably, the single-chip microcomputer in the multiple integrated modules can realize on-chip clock synchronization and output PWM signals in a staggered mode, so that the requirement on the instantaneous discharge rate of the battery is lowered. Use four rotors as an example, be provided with four integrated module, the electricity in four modules is transferred and is realized clock synchronization through sharing crystal oscillator, and after clock synchronization, the PWM phase place that every electricity was transferred and is exported can stagger 90 degrees relatively for the instantaneous consumption peak value that each way electricity was transferred and is consumed staggers 90 degrees, thereby reduces instantaneous consumption, reduces the battery instantaneous discharge rate.
In summary, the power management module and the electronic controller share the same set of electronic switch to realize integration, and the electronic switch not only serves as a drive axle of the motor to control the rotation of the motor to realize the function of the electronic controller, but also serves as a power input/output on-off control switch to realize the power distribution function of the power management module. Through the integration, can save one set of electronic switch, reduce the device, reduce module size and weight, promote unmanned aerial vehicle load space and load-carrying capacity. The power supply of the driving board is taken from the input of a power supply, the on-off of the driving board is controlled by a mechanical switch, the power supply of the single chip microcomputer is taken from a DC-DC module integrated in the driving board, when the mechanical switch is switched off, the driving board is powered off, the single chip microcomputer is powered off, the electronic switch is also powered off at the moment, the whole module only stores the leakage current of the MOS tube, the current is extremely small, the low self-discharge rate can be realized, and the long-storage problem is solved. Meanwhile, when a plurality of motors need to be controlled, a plurality of integrated modules can be packaged together and share the same mechanical switch. After integration, the single-chip microcomputer in each integrated module can realize on-chip clock synchronization, so that each PWM output phase is uniformly staggered, instantaneous power consumption is reduced, and instantaneous discharge multiplying power of a battery is reduced.
For the sake of brief description, the method provided by the embodiment of the present invention may refer to the corresponding contents in the foregoing embodiments.
Finally, it should be noted that: it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A power management and electric regulation integrated module is characterized by comprising an integrated module and a mechanical switch,
the integrated module comprises a single chip microcomputer, a driving plate and an electronic switch;
the power supply sequentially passes through the mechanical switch, the drive plate, the single chip microcomputer and the electronic switch;
the ports of the driving board comprise a driving board power supply port, a motor high-voltage first control gate, a motor high-voltage second control gate, a motor high-voltage third control gate, a motor low-voltage first control gate, a motor low-voltage second control gate, a motor low-voltage third control gate and a first communication and control signal flow port;
the single chip microcomputer comprises a single chip microcomputer power supply port and a second communication and control signal flow port, and the single chip microcomputer power supply port is electrically connected with the driving plate;
the first communication and control signal flow port is in communication connection with the second communication and control signal flow port;
the electronic switch comprises 6 MOS tubes which are respectively a first MOS tube, a second MOS tube, a third MOS tube, a fourth MOS tube, a fifth MOS tube and a sixth MOS tube, wherein the grid electrode of the first MOS tube is connected with the first control gate with low voltage of the motor, the source electrode of the first MOS tube is connected with the source electrode of the third MOS tube, the drain electrode of the first MOS tube is respectively connected with the source electrode of the fourth MOS tube and the first phase of the motor, the grid electrode of the second MOS tube is connected with the second control gate with low voltage of the motor, the source electrode of the second MOS tube is connected with the negative electrode of the power input, the drain electrode of the second MOS tube is respectively connected with the source electrode of the fifth MOS tube and the second phase of the motor, the grid electrode of the third MOS tube is connected with the third control gate with low voltage of the motor, the drain electrode of the third MOS tube is respectively connected with the source electrode of the sixth MOS tube and the third phase of the motor, and the grid electrode of the fourth MOS tube is connected with the first control gate with high voltage of the motor, the drain electrode of the fourth MOS tube is connected with the drain electrode of the sixth MOS tube, the grid electrode of the fifth MOS tube is connected with the high-voltage second control gate of the motor, the drain electrode of the fifth MOS tube is connected with the positive electrode of the power supply input, and the grid electrode of the sixth MOS tube is connected with the high-voltage third control gate of the motor;
one end of the mechanical switch is connected with the positive electrode of the power input, and the other end of the mechanical switch is connected with the power supply port of the driving plate.
2. The power management and power regulation integrated module according to claim 1, wherein the number of the integrated modules is plural, and the plural integrated modules are connected in parallel and then connected in series to the mechanical switch.
3. The power management and power regulation integrated module according to claim 1 or 2, wherein there are two mechanical switches, and the two mechanical switches are connected in parallel.
4. A power management and power regulation integration method, wherein the power management and power regulation integration method is applied to the power management and power regulation integration module of any one of claims 1 to 3, and comprises the following steps:
when the mechanical switch is closed, the driving plate and the single chip microcomputer are sequentially powered on, the single chip microcomputer receives an external rotating speed control signal, outputs a PWM signal after resolving, and controls the motor to rotate at a specified rotating speed;
after the mechanical switch is disconnected, the drive board and the single chip microcomputer are powered off, the electronic switch is disconnected, and the input and the output of a power supply are cut off.
5. The power management and power regulation integration method of claim 4, wherein the single-chip microcomputers in the plurality of integration modules can realize on-chip clock synchronization and staggered output of PWM signals.
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| CN202111598344.3A CN114448292A (en) | 2021-12-24 | 2021-12-24 | Power management and electric regulation integrated module and method |
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| CN202111598344.3A CN114448292A (en) | 2021-12-24 | 2021-12-24 | Power management and electric regulation integrated module and method |
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