CN110729788A - Power supply control method, system and equipment - Google Patents
Power supply control method, system and equipment Download PDFInfo
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- CN110729788A CN110729788A CN201911018414.6A CN201911018414A CN110729788A CN 110729788 A CN110729788 A CN 110729788A CN 201911018414 A CN201911018414 A CN 201911018414A CN 110729788 A CN110729788 A CN 110729788A
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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
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
Abstract
The embodiment of the invention discloses a power supply control method, a power supply control system and power supply control equipment. The method comprises the following steps: acquiring power supply parameters of at least two power supply modules; determining power supply state information according to the at least two power supply parameters; and sending the power supply state information to the at least two power supply modules so that the at least two power supply modules supply power according to the power supply state information. In the power supply control method provided by this embodiment, the power supply state information is determined according to the power supply parameters of the at least two power supply modules, so that the at least two power supply modules supply power according to the power supply state information, the state relationship between the at least two power supply modules connected to the system control module can be determined, the power supply of the power supply modules can be automatically controlled, and the safety of the circuit and the utilization rate of electric energy can be improved.
Description
Technical Field
The embodiment of the invention relates to a circuit control technology, in particular to a power supply control method, a power supply control system and power supply control equipment.
Background
At present, the battery life is generally short in the fields of an unmanned aerial vehicle and the like due to the lag development of a lithium battery technology, the proportion of batteries in products is increased by a method commonly adopted by people in order to improve the life time, and a multi-battery power supply mode is commonly adopted due to the limitation of the technology and the product structure.
Because the electric quantity or voltage of each battery is not always the same, in order to prevent potential safety hazard caused by mutual charging of the batteries, the existing management method for a multi-battery system usually adopts hardware isolation control, and the effect of preventing the mutual charging of the batteries is achieved by increasing the number of switches or increasing the number of diodes in a circuit.
But increase switch quantity and make the fault-tolerant rate of circuit decline, and be not suitable for unmanned aerial vehicle etc. to space, the higher application of weight requirement, increase the quantity of diode and make the loss increase, electric energy utilization ratio descends. Therefore, a technical solution for multi-power module management is needed.
Disclosure of Invention
The invention provides a power supply control method, a power supply control system and power supply control equipment, which are used for realizing the management of a multi-power-supply-module system and improving the safety of a circuit and the utilization rate of electric energy.
In a first aspect, an embodiment of the present invention provides a power supply control method, including:
acquiring power supply parameters of at least two power supply modules;
determining power supply state information according to the at least two power supply parameters;
and sending the power supply state information to the at least two power supply modules so that the at least two power supply modules supply power according to the power supply state information.
Further, before obtaining the power supply parameters of at least two power supply modules, the method further includes:
detecting the connection condition with each power supply module;
and sending an in-place signal to the power supply module which is successfully connected under the connection condition, so that the power supply module receiving the in-place signal closes the charging switch.
Further, acquiring power supply parameters of at least two power supply modules includes:
awakening the main control circuits of at least two power supply modules so that the main control circuits read power supply parameters of the power supply modules;
and receiving power supply parameters sent by at least two main control circuits.
Further, determining power supply state information according to at least two power supply parameters includes:
performing pairwise difference calculation on the at least two power supply parameters to obtain at least one calculation result;
and determining power supply state information according to the absolute value of the at least one calculation result.
Further, determining power supply state information according to an absolute value of the at least one calculation result includes:
if the absolute values of the at least one calculation result are all smaller than a preset threshold value, determining that the power supply state information is the starting information;
correspondingly, the sending the power supply state information to the at least two power supply modules so that the at least two power supply modules supply power according to the power supply state information includes:
and sending the starting information to the at least two power supply modules so that the at least two power supply modules start a charging and discharging switch.
If one or more of the absolute values of the at least one calculation result are greater than or equal to a preset threshold, determining that the power supply state information is closing information;
correspondingly, the sending the power supply state information to the at least two power supply modules so that the at least two power supply modules supply power according to the power supply state information includes:
and sending the closing information to the at least two power supply modules so as to enable the at least two power supply modules to close the charging switch.
In a second aspect, an embodiment of the present invention further provides a power supply control system, where the power supply control system includes:
the system comprises a system control module and at least two power supply modules;
the power supply port of the power supply module is connected with the power supply port of the system control module and used for supplying power to the system control module; the communication port of the power supply module is connected with the communication port of the system control module;
the system control module is used for acquiring power supply parameters of at least two power supply modules, determining power supply state information according to the at least two power supply parameters, and sending the power supply state information to the at least two power supply modules;
the at least two power supply modules are used for supplying power according to the received power supply state information.
Further, the power supply module comprises a battery pack, a main control circuit and a main loop switch;
the battery pack is connected with the main control circuit and used for supplying power to the main control circuit;
the main control circuit is connected with the system control module through a communication port and used for sending power supply parameters of a power supply module to the system control module, receiving power supply state information sent by the system control module and determining a first control signal according to the power supply state information;
the main control circuit is connected with the main loop switch and used for sending the first control signal to the main loop switch;
the main loop switch is connected with the battery pack and used for controlling the battery pack to supply power to external equipment according to the first control signal.
Furthermore, the power supply module further comprises a signal receiving device, wherein the signal receiving device is connected with the main control circuit and used for receiving a starting signal and sending the starting signal to the main control circuit; and the main control circuit determines a second control signal according to the starting signal and sends the second control signal to the main loop switch, so that the main loop switch controls the battery pack to supply power to the system control module according to the second control signal.
In a third aspect, an embodiment of the present invention further provides an apparatus, where the apparatus includes:
one or more processors;
storage means for storing one or more programs;
when the one or more programs are executed by the one or more processors, the one or more processors implement the power supply control method as provided in any of the embodiments of the present invention.
According to the embodiment of the invention, the power supply parameters of at least two power supply modules are firstly obtained, then the power supply state information is determined according to the at least two power supply parameters, and finally the power supply state information is sent to the at least two power supply modules, so that the at least two power supply modules supply power according to the power supply state information. In the power supply control method provided by this embodiment, the power supply state information is determined according to the power supply parameters of the at least two power supply modules, so that the at least two power supply modules supply power according to the power supply state information, the state relationship between the at least two power supply modules connected to the system control module can be determined, the power supply of the power supply modules can be automatically controlled, and the safety of the circuit and the utilization rate of electric energy can be improved.
Drawings
Fig. 1 is a schematic structural diagram of a power supply control system according to a first embodiment of the present invention;
fig. 2 is a schematic diagram of an internal architecture of a power supply module according to a first embodiment of the invention;
fig. 3 is a schematic diagram of an internal architecture of a power supply module according to a first embodiment of the invention;
fig. 4 is a flowchart of a power supply control method according to a second embodiment of the present invention;
fig. 5 is a flowchart of a power supply control method according to a third embodiment of the present invention;
fig. 6 is a flowchart of a power supply control method according to a fourth embodiment of the present invention;
fig. 7 is a flowchart of a power supply control method according to a fifth embodiment of the present invention;
fig. 8 is a schematic structural diagram of an apparatus in the sixth embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a schematic structural diagram of a power supply control system according to a first embodiment of the present invention, where the power supply control system includes: a system control module 110 and at least two power supply modules 120.
The power port of the power supply module 120 is connected to the power port of the system control module 110, and is configured to supply power to the system control module 110; the communication port of the power supply module 120 is connected to the communication port of the system control module 110.
The system control module 110 is configured to obtain power supply parameters of at least two power supply modules 120, determine power supply state information according to the at least two power supply parameters, and send the power supply state information to the at least two power supply modules 120;
the at least two power supply modules 120 are configured to supply power according to the received power supply status information.
The communication port may be specifically understood as a communication interface for realizing bidirectional communication between the system control module 110 and the power supply module 120, such as an I2C bus, a serial interface, and the like.
The power supply parameter can be understood as state information of the power supply module 120 itself, such as voltage, power, cycle number, and the like.
Further, fig. 2 is a schematic diagram of an internal architecture of the power supply module, and the power supply module 120 includes a battery pack 210, a main control circuit 220 and a main loop switch 230.
The battery pack 210 is connected to the main control circuit 220, and is configured to supply power to the main control circuit 220.
The main control circuit 220 is connected to the system control module 110 through a communication port, and is configured to send a power supply parameter of the power supply module 120 to the system control module 110, receive power supply status information sent by the system control module 110, and determine a first control signal according to the power supply status information.
The main control circuit 220 is connected to the main loop switch 230, and is configured to send the first control signal to the main loop switch 230.
The main circuit switch 230 is connected to the battery pack 210, and is configured to control the battery pack 210 to supply power to an external device according to the first control signal.
Further, as shown in fig. 3, the power supply module 120 further includes a signal receiving device 240, where the signal receiving device 240 is connected to the main control circuit 220, and is configured to receive a start signal and send the start signal to the main control circuit 220; the main control circuit 220 determines a second control signal according to the start signal, and sends the second control signal to the main loop switch 230, so that the main loop switch 230 controls the battery pack 210 to supply power to the system control module 110 according to the second control signal.
The signal receiving device 240 may be understood as a device that transmits different signals according to external states, such as a key, a pressure sensor, and a temperature sensor.
For example, the working principle of the power supply control system of the present embodiment is as follows:
when at least two power supply modules 120 are inserted into the system control module 110, the power supply modules 120 are in a sleep or standby state. When the signal receiving device 240 of any power supply module 120 receives the start signal, the main control circuit 220 of the power supply module 120 is woken up, and then the main control circuit 220 of the power supply module 120 controls the discharge switch in the main loop switch 230 of the power supply module 120 to be turned on, so as to supply power to the system control module 110. Then, the system control module 110 wakes up the main control circuits 220 of the power supply modules through the communication ports, and each main control circuit 220 reads the power supply parameters of the battery pack 210 and sends the power supply parameters to the system control module 110 through the communication ports. Finally, the system control module 110 determines power supply state information according to the received power supply parameters, and sends the power supply state information to the main control circuit 220 of each power supply module 120 through the communication port, and the main control circuit 220 of each power supply module 120 sends control information to the main loop switch 230 according to the received power supply state information to control the outward power supply state of the battery pack 210.
According to the power supply control system provided by the embodiment of the invention, the power supply state is determined by acquiring the power supply parameters of at least two power supply modules through the system control module, so that the power supply modules supply power according to the power supply state, mutual charging among different power supply modules is avoided, a plurality of anti-reverse-charging switches are not required to be configured only by using the switches configured for the power supply modules, the problems of difficult control of a plurality of switches, large occupied space, high weight and high power consumption of switch internal resistance are solved, and the safety of a circuit and the utilization rate of electric energy are improved.
Example two
Fig. 4 is a flowchart of a power supply control method according to a second embodiment of the present invention, where this embodiment is applicable to a case of performing power supply control on multiple power supply modules, and the method may be executed by a power supply control system, where the power supply control system may be implemented by software and/or hardware, and the power supply control system may be configured on a computing device, and specifically includes the following steps:
and 310, acquiring power supply parameters of at least two power supply modules.
The power supply module can be understood as a power supply device which can supply power to the outside and perform data communication with external equipment, such as an intelligent battery. The power supply parameters can be understood as state information of the power supply module, such as voltage, current, temperature, electric quantity, safety state, cycle number and the like.
Specifically, after at least two power supply modules are inserted into the system, the power supply modules are in a dormant or standby state, when any one of the power supply modules supplies power to the system control module, the system control module is awakened, awakening information is sent to the main control circuits of all the power supply modules successfully connected with the system control module, after the main control circuit receiving the awakening information is awakened, power supply parameters of the battery pack in the power supply module are read, and the read power supply parameters are sent to the system control module.
And step 320, determining power supply state information according to the at least two power supply parameters.
The power supply state information can be understood as feedback information which is determined by the system control module according to the matching state of the received power supply parameters and is provided for the power supply module.
Specifically, the system control module judges whether the power supply module connected to the system control module meets the external power supply requirement according to the received power supply parameters, and determines information fed back to the power supply module according to a judgment result, wherein the information can be opening information or closing information.
And step 330, sending the power supply state information to the at least two power supply modules so that the at least two power supply modules supply power according to the power supply state information.
Specifically, the system control module sends the generated power supply state information to the corresponding power supply module through the communication port, and the power supply module adjusts the on-off of the main loop switch according to the received power supply state information, so that external power supply or a standby or dormant state is realized. For example: assuming that the power supply state information is starting information, the power supply module starts a charging and discharging switch to supply power to the external equipment; and assuming that the power supply state information is closing information, the power supply module closes the charging and discharging switch and enters a standby or dormant state.
According to the technical scheme of the embodiment, the power supply parameters of the at least two power supply modules are obtained, the power supply state information is determined according to the at least two power supply parameters, and finally the power supply state information is sent to the at least two power supply modules, so that the at least two power supply modules supply power according to the power supply state information. The power supply state information is determined according to the at least two power supply parameters, so that the at least two power supply modules supply power according to the power supply state information, the state relation between the power supply modules connected with the system control module can be determined, the power supply of the power supply modules can be automatically controlled, and the safety of a circuit and the utilization rate of electric energy can be improved.
EXAMPLE III
Fig. 5 is a flowchart of a power supply control method according to a third embodiment of the present invention. The technical scheme of the embodiment is further refined on the basis of the technical scheme, and specifically comprises the following steps:
and step 410, detecting the connection condition of each power supply module.
The connection condition can be understood as the connection state between the communication port and the power supply port of each power supply module and the communication port and the power supply port corresponding to the system control module, and includes connection success and connection failure.
The in-place signal may be understood as a basis for determining whether the power supply module is inserted into the system control module, specifically, the in-place signal may be a pulled-up or pulled-down level signal, and the sending mode of the in-place signal may be an interrupt mode or a scanning mode.
Specifically, when the system control module detects that the control module is successfully connected with the system control module, an in-place signal is sent to the power supply module which is successfully connected through the communication port, and when the main control circuit of the power supply module detects the in-place signal, the main control circuit sends a control signal to the main loop switch, so that the charging switch in the main loop switch is turned off.
And step 430, acquiring power supply parameters of at least two power supply modules.
And step 440, determining power supply state information according to the at least two power supply parameters.
And step 450, sending the power supply state information to the at least two power supply modules so that the at least two power supply modules supply power according to the power supply state information.
According to the technical scheme, the in-place signal is sent to the power supply module which is successfully connected in the connection condition, so that the power supply module which receives the in-place signal closes the charging switch, the problem that different power supply modules are charged mutually due to voltage, electric quantity and other distances when any power supply module supplies power to the system control module can be avoided, and the safety of the circuit is improved.
Example four
Fig. 6 is a flowchart of a power supply control method according to a fourth embodiment of the present invention. The technical scheme of the embodiment is further refined on the basis of the technical scheme, and specifically comprises the following steps:
Specifically, after at least two power supply modules are inserted into the system, the power supply modules are in a dormant or standby state, when any one of the power supply modules supplies power to the system control module, the system control module is awakened, and the system control module sends awakening information to awaken the main control circuit of at least two power supply modules connected with the system control module through the communication port, so that the main control circuit starts to read the power supply parameters of the corresponding power supply module, wherein the awakening information can be the change of a potential signal.
And step 520, receiving power supply parameters sent by at least two main control circuits.
Specifically, the system control module receives power supply parameters sent by at least two main control circuits through the communication port.
And step 530, determining power supply state information according to the at least two power supply parameters.
And 540, sending the power supply state information to the at least two power supply modules so that the at least two power supply modules supply power according to the power supply state information.
According to the technical scheme, the master control circuits of the at least two power supply modules are awakened, so that the master control circuits read the power supply parameters of the power supply modules and receive the power supply parameters sent by the at least two master control circuits, the states of the power supply modules can be determined simply and clearly, and the parameter acquisition definition is improved.
EXAMPLE five
Fig. 7 is a flowchart of a power supply control method according to a fifth embodiment of the present invention. The technical scheme of the embodiment is further refined on the basis of the technical scheme, and specifically comprises the following steps:
and step 610, acquiring power supply parameters of at least two power supply modules.
And step 620, performing pairwise difference calculation on the at least two power supply parameters to obtain at least one calculation result.
The power supply parameters may be understood as state information of the power supply modules themselves, such as voltage, current, temperature, electric quantity, safety state, cycle number, and the like, for example, taking voltage as an example, 3 power supply modules are provided, the obtained voltages are respectively V1, V2, and V3, and the calculation results after making differences between every two power supply modules are V1-V2, V1-V3, and V2-V3.
Specifically, if the absolute value of the at least one calculation result is smaller than a preset threshold, determining that the power supply state information is the starting information; and if one or more of the absolute values of the at least one calculation result is greater than or equal to a preset threshold value, determining that the power supply state information is closing information.
The preset threshold value can be understood as determination information related to the state parameters of the power supply module, and the difference exists between the capacitance, the maximum cycle number and the like of different types of power supply modules, and the size of the threshold value is determined according to the type of the power supply module.
And step 640, sending the power supply state information to the at least two power supply modules, so that the at least two power supply modules supply power according to the power supply state information.
Specifically, the manner of sending the power supply state information to the at least two power supply modules so that the at least two power supply modules supply power according to the power supply state information may be: and sending the starting information to the at least two power supply modules so that the at least two power supply modules start a charging and discharging switch.
In this embodiment, when the power supply state information received by the main control circuit in the power supply module is the start information, the main control circuit generates a start instruction according to the start information, and sends the start instruction to the main circuit switch, and the main circuit switch turns on the charge and discharge switch, so that the battery pack in the power supply module supplies power to the external device.
Specifically, the manner of sending the power supply state information to the at least two power supply modules so that the at least two power supply modules supply power according to the power supply state information may be: and sending the closing information to the at least two power supply modules so as to enable the at least two power supply modules to close the charging switch.
In this embodiment, when the power supply state information received by the main control circuit in the power supply module is the closing information, the main control circuit generates a closing instruction according to the closing information, and sends the closing instruction to the main circuit switch, and the main circuit switch closes the charging and discharging switch, so that the battery pack in the power supply module cannot be charged, and only can be passively discharged.
And the starting information is sent to the at least two power supply modules, so that the at least two power supply modules start the charging and discharging switches, the resistance of the main loop switch can be reduced, and the circuit heating and the waste of electric energy are reduced. And the closing information is sent to the at least two power supply modules, so that the at least two power supply modules close the charging switch, high-strength mutual charging between the power supply modules in a short time can be prevented, and the safety of the circuit is improved.
EXAMPLE six
Fig. 8 is a schematic structural diagram of an apparatus according to a sixth embodiment of the present invention, as shown in fig. 8, the apparatus includes a processor 710, a memory 720, an input device 730, and an output device 740; the number of processors 710 in the device may be one or more, and one processor 710 is taken as an example in fig. 8; the processor 710, the memory 720, the input device 730, and the output device 740 of the apparatus may be connected by a bus or other means, for example, in fig. 8.
The memory 720, which is a computer-readable storage medium, may be used to store software programs, computer-executable programs, and modules, such as program instructions/modules (e.g., the system control module 110 and the power supply module 120) corresponding to the determination method of vehicle authority in the embodiment of the present invention. The processor 710 executes various functional applications of the device and data processing by executing software programs, instructions, and modules stored in the memory 720, that is, implements the above-described power supply control method.
The memory 720 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal, and the like. Further, the memory 720 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, the memory 720 may further include memory located remotely from the processor 710, which may be connected to devices over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input device 730 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the apparatus, and may include a keyboard and a mouse, etc. The output device 740 may include a display device such as a display screen.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A power supply control method, comprising:
acquiring power supply parameters of at least two power supply modules;
determining power supply state information according to the at least two power supply parameters;
and sending the power supply state information to the at least two power supply modules so that the at least two power supply modules supply power according to the power supply state information.
2. The method of claim 1, prior to obtaining power supply parameters for at least two power supply modules, further comprising:
detecting the connection condition with each power supply module;
and sending an in-place signal to the power supply module which is successfully connected under the connection condition, so that the power supply module receiving the in-place signal closes the charging switch.
3. The method of claim 1, wherein obtaining power supply parameters for at least two power supply modules comprises:
awakening the main control circuits of at least two power supply modules so that the main control circuits read power supply parameters of the power supply modules;
and receiving power supply parameters sent by at least two main control circuits.
4. The method of claim 1, wherein determining power supply status information based on at least two power supply parameters comprises:
performing pairwise difference calculation on the at least two power supply parameters to obtain at least one calculation result;
and determining power supply state information according to the absolute value of the at least one calculation result.
5. The method of claim 4, wherein determining power supply status information based on an absolute value of the at least one calculation comprises:
if the absolute values of the at least one calculation result are all smaller than a preset threshold value, determining that the power supply state information is the starting information;
correspondingly, the sending the power supply state information to the at least two power supply modules so that the at least two power supply modules supply power according to the power supply state information includes:
and sending the starting information to the at least two power supply modules so that the at least two power supply modules start a charging and discharging switch.
6. The method of claim 4, determining power supply status information from an absolute value of the at least one calculation, comprising:
if one or more of the absolute values of the at least one calculation result are greater than or equal to a preset threshold, determining that the power supply state information is closing information;
correspondingly, the sending the power supply state information to the at least two power supply modules so that the at least two power supply modules supply power according to the power supply state information includes:
and sending the closing information to the at least two power supply modules so as to enable the at least two power supply modules to close the charging switch.
7. A power supply control system is characterized by comprising a system control module and at least two power supply modules;
the power supply port of the power supply module is connected with the power supply port of the system control module and used for supplying power to the system control module; the communication port of the power supply module is connected with the communication port of the system control module;
the system control module is used for acquiring power supply parameters of at least two power supply modules, determining power supply state information according to the at least two power supply parameters, and sending the power supply state information to the at least two power supply modules;
the at least two power supply modules are used for supplying power according to the received power supply state information.
8. The system of claim 7, wherein the power module comprises a battery pack, a master control circuit and a master loop switch;
the battery pack is connected with the main control circuit and used for supplying power to the main control circuit;
the main control circuit is connected with the system control module through a communication port and used for sending power supply parameters of a power supply module to the system control module, receiving power supply state information sent by the system control module and determining a first control signal according to the power supply state information;
the main control circuit is connected with the main loop switch and used for sending the first control signal to the main loop switch;
the main loop switch is connected with the battery pack and used for controlling the battery pack to supply power to external equipment according to the first control signal.
9. The system of claim 8, wherein the power supply module further comprises a signal receiving device, and the signal receiving device is connected to the main control circuit, and is configured to receive a start signal and send the start signal to the main control circuit; and the main control circuit determines a second control signal according to the starting signal and sends the second control signal to the main loop switch, so that the main loop switch controls the battery pack to supply power to the system control module according to the second control signal.
10. An apparatus, characterized in that the apparatus comprises:
one or more processors;
storage means for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement the power supply control method of any one of claims 1-6.
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| CN201911018414.6A CN110729788A (en) | 2019-10-24 | 2019-10-24 | Power supply control method, system and equipment |
| PCT/CN2020/123308 WO2021078261A1 (en) | 2019-10-24 | 2020-10-23 | Power supply control method, system and device |
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| CN201911018414.6A CN110729788A (en) | 2019-10-24 | 2019-10-24 | Power supply control method, system and equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021078261A1 (en) * | 2019-10-24 | 2021-04-29 | 深圳市道通智能航空技术有限公司 | Power supply control method, system and device |
| CN113890126A (en) * | 2021-03-30 | 2022-01-04 | 荣耀终端有限公司 | Protection controller applied to electronic equipment and electronic equipment |
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Also Published As
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| WO2021078261A1 (en) | 2021-04-29 |
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Address after: 518055 Shenzhen, Guangdong, Nanshan District Xili street, No. 1001, Zhiyuan Road, B1 9. Applicant after: Shenzhen daotong intelligent Aviation Technology Co.,Ltd. Address before: 518055 Shenzhen, Guangdong, Nanshan District Xili street, No. 1001, Zhiyuan Road, B1 9. Applicant before: AUTEL ROBOTICS Co.,Ltd. |
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Application publication date: 20200124 |