CN111224437A - Battery control panel working method, battery control panel and unmanned aerial vehicle - Google Patents
Battery control panel working method, battery control panel and unmanned aerial vehicle Download PDFInfo
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- CN111224437A CN111224437A CN201811413277.1A CN201811413277A CN111224437A CN 111224437 A CN111224437 A CN 111224437A CN 201811413277 A CN201811413277 A CN 201811413277A CN 111224437 A CN111224437 A CN 111224437A
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- 238000001514 detection method Methods 0.000 claims abstract description 72
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- 230000008859 change Effects 0.000 abstract description 15
- 230000003139 buffering effect Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
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Abstract
The invention discloses a battery control panel working method, a battery control panel and an unmanned aerial vehicle, which belong to the battery technology and comprise the steps of detecting the access of electric equipment before operation; if receiving an access signal of the electric equipment, entering an initial current mode, and adopting a safe current which cannot cause burning; and in the initial current mode, detecting the operating conditions, wherein the detecting of the operating conditions comprises the following steps: the operating current is smaller than a first standard threshold value, and the operating temperature belongs to a standard temperature range; if the running condition detection fails, exiting the initial current mode; if the running environment detection is passed, battery state detection is carried out; if the battery state detection is not passed, the initial current mode is exited; if the battery state detection is passed, detecting the starting request of the electric equipment; if a signal of a starting request is received, entering a starting current mode; and in the starting current mode, supplying starting current to the electric equipment is executed. Through the buffering of initial current, avoid the electric current sudden change to cause the control panel to burn out, start-up safety.
Description
Technical Field
The invention relates to a battery technology, in particular to a battery control panel working method, a battery control panel and an unmanned aerial vehicle.
Background
The battery protection board, as the name implies, is an integrated circuit board that mainly protects rechargeable (generally referred to as lithium battery). The need for protection of lithium batteries (rechargeable) is determined by their intrinsic characteristics. Because the material of lithium cell itself has decided it can not by overcharge, overdischarge, overflow, short circuit and ultra-high temperature charge-discharge, consequently lithium cell subassembly always can follow the protection shield of taking sampling resistance and a slice current fuse appears.
In some special fields, such as the unmanned aerial vehicle technology, the power supply requirement for the battery is higher, and special control boards must be equipped for battery control and management, and although these control boards can discharge the battery and carry out overcurrent and short-circuit protection, at the moment of unmanned aerial vehicle start-up, because need take off and climb, the current can be in the extremely short time from zero to high sudden change, the condition that the control board burns out can appear, still need to improve.
Disclosure of Invention
In view of the defects in the prior art, a first object of the present invention is to provide a method for operating a battery control board, which has the advantage of safe start.
In order to achieve the purpose, the invention provides the following technical scheme:
a working method of a battery control panel comprises
Before operation, detecting the access of the electric equipment;
if receiving an access signal of the electric equipment, entering an initial current mode, wherein the initial current mode adopts safe current which cannot cause burning;
in the initial current mode, carrying out operation condition detection, wherein the operation condition detection comprises the following steps: the operating current is smaller than a first standard threshold value, and the operating temperature belongs to a standard temperature range;
if the running condition detection fails, exiting the initial current mode;
if the running environment detection is passed, battery state detection is carried out, and the battery state detection comprises the following steps: the voltage of a single battery is smaller than a second standard threshold, the electric quantity of the single battery is larger than a third standard threshold, and the charging times of the single battery is smaller than a fourth standard threshold;
if the battery state detection is not passed, the initial current mode is exited;
if the battery state detection is passed, detecting the starting request of the electric equipment;
if a signal of a starting request is received, entering a starting current mode;
and in the starting current mode, supplying starting current to the electric equipment is executed.
By adopting the technical scheme, the power consumption equipment is accessed, the initial current mode is firstly started, the initial current mode has safe current which can not cause the control panel to be burnt, and the starting is safe. Based on the safe current, the operation condition detection is carried out, the operation current is detected to be smaller than a first standard threshold value, the operation temperature belongs to a standard temperature range, the operation is further started only under the condition that the two safe conditions are met, otherwise, the operation mode is quitted, the operation is avoided under the conditions of short circuit and overheating, and the safety is further enhanced. And then, battery state detection is carried out, the next step of starting can be carried out only when the battery state meets the requirement, otherwise, the safety mode is quitted, starting is avoided under the condition that the battery state does not meet the requirement, and starting safety is further enhanced. After receiving the start request of the electric equipment, the safe current of the initial current mode is increased to the starting current of the starting current mode, compared with the prior mode that the safe current is suddenly changed to the starting current from zero, the change amplitude is reduced, and the phenomenon that the control panel is burnt out due to sudden change of the current and the starting is safe is avoided through the buffering of the initial current.
And further, detecting and judging the starting mode time length, and entering a stable current mode if the starting mode time length reaches a first preset time length.
By adopting the technical scheme, the power supply mode is changed in time after the start is finished, the electric energy waste is avoided, and meanwhile, the risk possibly caused by long-time large current is avoided.
And further, detecting and judging the time length for exiting the initial current mode without passing the detection, and re-entering the initial current mode if the time length for exiting the initial current mode reaches a second preset time length.
By adopting the technical scheme, the time length for exiting the initial current mode reaches the second preset time length, the initial current mode is re-entered, and the detection is carried out again and the operation is attempted.
In view of the defects of the prior art, a second object of the present invention is to provide a battery control board having the advantage of safe starting.
In order to achieve the purpose, the invention provides the following technical scheme:
a battery control board comprising a memory and a processor, the memory storing a set of instructions for the processor to call to implement the functions of:
before operation, detecting the access of the electric equipment;
if receiving an access signal of the electric equipment, entering an initial current mode;
in the initial current mode, carrying out operation condition detection, wherein the operation condition detection comprises the following steps: the operating current is smaller than a first standard threshold value, and the operating temperature belongs to a standard temperature range;
if the running condition detection fails, exiting the initial current mode;
if the running environment detection is passed, battery state detection is carried out, and the battery state detection comprises the following steps: the voltage of a single battery is smaller than a second standard threshold, the electric quantity of the single battery is larger than a third standard threshold, and the charging times of the single battery is smaller than a fourth standard threshold;
if the battery state detection is not passed, the initial current mode is exited;
if the battery state detection is passed, detecting the starting request of the electric equipment;
if a signal of a starting request is received, entering a starting current mode;
and in the starting current mode, supplying starting current to the electric equipment is executed.
By adopting the technical scheme, the power consumption equipment is accessed, the initial current mode is firstly started, the initial current mode has safe current which can not cause the control panel to be burnt, and the starting is safe. Based on the safe current, the operation condition detection is carried out, the operation current is detected to be smaller than a first standard threshold value, the operation temperature belongs to a standard temperature range, the operation is further started only under the condition that the two safe conditions are met, otherwise, the operation mode is quitted, the operation is avoided under the conditions of short circuit and overheating, and the safety is further enhanced. And then, battery state detection is carried out, the next step of starting can be carried out only when the battery state meets the requirement, otherwise, the safety mode is quitted, starting is avoided under the condition that the battery state does not meet the requirement, and starting safety is further enhanced. After receiving the start request of the electric equipment, the safe current of the initial current mode is increased to the starting current of the starting current mode, compared with the prior mode that the safe current is suddenly changed to the starting current from zero, the change amplitude is reduced, and the phenomenon that the control panel is burnt out due to sudden change of the current and the starting is safe is avoided through the buffering of the initial current.
Further, the processor also implements the following functions by calling the instruction set:
and detecting and judging the starting mode time length, and entering a stable current mode if the starting mode time length reaches a first preset time length.
By adopting the technical scheme, the power supply mode is changed in time after the start is finished, the electric energy waste is avoided, and meanwhile, the risk possibly caused by long-time large current is avoided.
Further, the processor also implements the following functions by calling the instruction set:
and detecting and judging the time length for exiting the initial current mode without detection, and if the time length for exiting the initial current mode reaches a second preset time length, re-entering the initial current mode.
By adopting the technical scheme, the time length for exiting the initial current mode reaches the second preset time length, the initial current mode is re-entered, and the detection is carried out again and the operation is attempted.
Aiming at the defects in the prior art, the third purpose of the invention is to provide the unmanned aerial vehicle which has the advantage of safe starting.
In order to achieve the purpose, the invention provides the following technical scheme:
an unmanned aerial vehicle comprises the battery control panel.
Adopt above-mentioned technical scheme, after battery control panel inserts unmanned aerial vehicle, advance into initial current mode, it detects and battery state to carry out the operating condition, if arbitrary detection does not pass through, withdraw from initial current mode, only detect whole passing sides and can get into starting current mode and wait to start, during the start-up, the electric current increases starting current from safe electric current, compare before in from zero sudden change to starting current, the amplitude of change reduces, and through initial current's buffering, avoid the electric current sudden change to arouse the control panel to burn out, it is safe to start.
In view of the defects in the prior art, a fourth object of the present invention is to provide a terminal device having the advantage of safe start.
In order to achieve the purpose, the invention provides the following technical scheme:
a terminal device comprises the battery control board.
Adopt above-mentioned technical scheme, after battery control panel access terminal equipment, advance to go into initial current mode, carry out operating condition detection and battery state detection, if arbitrary detection does not pass through, withdraw from initial current mode, only detect all passing sides and can get into starting current mode and wait to start, during the start-up, the electric current increases to starting current from safe electric current, compare in the past from zero sudden change to starting current, the amplitude of change reduces, and through initial current's buffering, avoid the electric current sudden change to cause the control panel to burn out, start safety.
In conclusion, the invention has the following beneficial effects:
1. before starting, an initial current mode is firstly entered for operation condition detection and battery state detection, so that potential safety hazards are avoided;
2. when starting, the current increases to the starting current from safe electric current, compares before from zero sudden change to starting current, and the range of change reduces to through the buffering of initial current, avoid the electric current sudden change to cause the control panel to burn out, start-up safety.
Drawings
FIG. 1 is a schematic flow chart of a method for operating a battery control board according to the present invention;
FIG. 2 is a schematic flow chart of the detection of the operating conditions in the present invention;
FIG. 3 is a schematic diagram illustrating a battery status detection process according to the present invention;
fig. 4 is a schematic diagram of a battery control board according to the present invention.
In the figure: 1. a processor; 2. a memory.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Example 1
A battery operating panel control method, referring to fig. 1, includes the following process steps:
step S101: before operation, the detection of the access of the electric equipment is carried out.
Step S102: and if receiving an access signal of the electric equipment, entering an initial current mode.
Step S103: and (4) detecting the operation condition in the initial current mode, entering the next step if the operation condition is detected to be passed, and exiting the initial current mode if the operation condition is not detected to be passed, and entering the step S107.
Step S104: and (5) detecting the battery state, entering the next step if the battery state is detected to be passed, otherwise, exiting the initial current mode, and entering the step S107.
Step S105: and judging whether a starting request of the electric equipment is received or not, and entering a starting current mode if the starting request is received.
Step S106: and judging whether the starting current mode time length reaches a first preset time length, and if so, entering a stable current mode.
Step S107: and judging whether the time length for exiting the initial current mode reaches a second preset time length, and if the time length reaches the second preset time length, re-entering the step S101.
In step S101, the electric device refers to a device requiring a large amount of current when starting, such as an unmanned aerial vehicle, a mobile robot, and the like, and the access is detected by detecting the level of the access interface.
In step S102, the initial current mode is a mode of detecting through a safety current, which can maintain the current control board to detect the operating condition, but when the current control board has a problem, the current control board will not be burned, and the safety current is 0.3A in this embodiment.
In step S103, referring to fig. 2, the operating condition detection includes: the operation current i is smaller than the first standard threshold is, the operation temperature falls within the standard temperature range (Ta, Tb), and if any one of the detection fails, the operation condition detection fails, in this embodiment, the first standard threshold is 0.3A, Ta is-40, and Tb is 55.
In step S104, referring to fig. 3, the battery state detection includes: the voltage U of a single battery is smaller than a second standard threshold Us, the electric quantity Q of the single battery is larger than a third standard threshold Qs, and the number of times N of charging the single battery is smaller than a fourth standard threshold N, where if any one of the detection fails, the battery state detection fails, in this embodiment, Us is 4.4, and Qs is 60%.
In step S105, the starting current mode is a mode for supplying a starting current to the electric device, and the starting current is 25A in this embodiment, so that the electric device can be quickly started.
In step S106, when the starting current mode reaches the first preset time period of 30S, it is determined that the starting is completed, and then the steady current mode is entered, where the steady current is 5A, and the normal operation of the electrical equipment is supported.
In step S107, when the time period for exiting the initial current mode reaches a second preset time period, for example, 10min, the process re-enters step S101, the detection in the initial current mode is performed again, and the operation is continued after the problem is eliminated.
Example 2
A battery control board, referring to fig. 4, comprising a memory and a processor, the memory storing a set of instructions for the processor to call to implement the following functions:
before operation, detecting the access of the electric equipment;
if receiving an access signal of the electric equipment, entering an initial current mode;
in the initial current mode, carrying out operation condition detection, wherein the operation condition detection comprises the following steps: the operating current is smaller than a first standard threshold value, and the operating temperature belongs to a standard temperature range;
if the running condition detection fails, exiting the initial current mode;
if the running environment detection is passed, battery state detection is carried out, and the battery state detection comprises the following steps: the voltage of a single battery is smaller than a second standard threshold, the electric quantity of the single battery is larger than a third standard threshold, and the charging times of the single battery is smaller than a fourth standard threshold;
if the battery state detection is not passed, the initial current mode is exited;
if the battery state detection is passed, detecting the starting request of the electric equipment;
if a signal of a starting request is received, entering a starting current mode;
and in the starting current mode, supplying starting current to the electric equipment is executed.
And detecting and judging the starting mode time length, and entering a stable current mode if the starting mode time length reaches a first preset time length.
And detecting and judging the time length for exiting the initial current mode without detection, and if the time length for exiting the initial current mode reaches a second preset time length, re-entering the initial current mode.
Example 3
An unmanned aerial vehicle comprising the battery control panel of embodiment 2.
Example 4
A terminal device, such as an aircraft, a robot, or the like, which requires a large current for starting, includes the battery control board in embodiment 2.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (8)
1. A working method of a battery control board is characterized in that: comprises that
Before operation, detecting the access of the electric equipment;
if receiving an access signal of the electric equipment, entering an initial current mode, wherein the initial current mode adopts safe current which cannot cause burning;
in the initial current mode, carrying out operation condition detection, wherein the operation condition detection comprises the following steps: the operating current is smaller than a first standard threshold value, and the operating temperature belongs to a standard temperature range;
if the running condition detection fails, exiting the initial current mode;
if the running environment detection is passed, battery state detection is carried out, and the battery state detection comprises the following steps: the voltage of a single battery is smaller than a second standard threshold, the electric quantity of the single battery is larger than a third standard threshold, and the charging times of the single battery is smaller than a fourth standard threshold;
if the battery state detection is not passed, the initial current mode is exited;
if the battery state detection is passed, detecting the starting request of the electric equipment;
if a signal of a starting request is received, entering a starting current mode;
and in the starting current mode, supplying starting current to the electric equipment is executed.
2. The battery control board operating method according to claim 1, wherein: the method further comprises the step of detecting and judging the starting mode time length, and if the starting mode time length reaches a first preset time length, the stable current mode is entered.
3. The battery control board operating method according to claim 1, wherein: and detecting and judging the time length for exiting the initial current mode without detection, and re-entering the initial current mode if the time length for exiting the initial current mode reaches a second preset time length.
4. A battery control panel, characterized in that: comprising a memory and a processor, the memory storing a set of instructions for the processor to call to implement the following functions:
before operation, detecting the access of the electric equipment;
if receiving an access signal of the electric equipment, entering an initial current mode;
in the initial current mode, carrying out operation condition detection, wherein the operation condition detection comprises the following steps: the operating current is smaller than a first standard threshold value, and the operating temperature belongs to a standard temperature range;
if the running condition detection fails, exiting the initial current mode;
if the running environment detection is passed, battery state detection is carried out, and the battery state detection comprises the following steps: the voltage of a single battery is smaller than a second standard threshold, the electric quantity of the single battery is larger than a third standard threshold, and the charging times of the single battery is smaller than a fourth standard threshold;
if the battery state detection is not passed, the initial current mode is exited;
if the battery state detection is passed, detecting the starting request of the electric equipment;
if a signal of a starting request is received, entering a starting current mode;
and in the starting current mode, supplying starting current to the electric equipment is executed.
5. The battery control board of claim 4, wherein: the processor also implements the following functions by calling the instruction set:
and detecting and judging the starting mode time length, and entering a stable current mode if the starting mode time length reaches a first preset time length.
6. The battery control board of claim 4, wherein: the processor also implements the following functions by calling the instruction set:
and detecting and judging the time length for exiting the initial current mode without detection, and if the time length for exiting the initial current mode reaches a second preset time length, re-entering the initial current mode.
7. An unmanned aerial vehicle, its characterized in that: comprising a battery control board according to any of claims 4 to 6.
8. A terminal device characterized by: comprising a battery control board according to any of claims 4 to 6.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811413277.1A CN111224437A (en) | 2018-11-24 | 2018-11-24 | Battery control panel working method, battery control panel and unmanned aerial vehicle |
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| CN201811413277.1A CN111224437A (en) | 2018-11-24 | 2018-11-24 | Battery control panel working method, battery control panel and unmanned aerial vehicle |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102447288A (en) * | 2011-12-05 | 2012-05-09 | 三门峡速达交通节能科技有限公司 | Power lithium-ion battery pack intelligent management system specially used for electric automobile |
| CN102630433A (en) * | 2012-04-18 | 2012-08-15 | 常州合力电器有限公司 | Lithium-cell lawn mower |
| CN103327656A (en) * | 2013-06-26 | 2013-09-25 | 惠州Tcl移动通信有限公司 | Communication module and portable terminal |
| CN103812164A (en) * | 2013-12-13 | 2014-05-21 | 中煤科工集团重庆研究院有限公司 | Grading starting type mining intrinsic safety power supply |
| CN105128688A (en) * | 2015-09-06 | 2015-12-09 | 重庆长安汽车股份有限公司 | Electric vehicle start control method and system |
| CN106849240A (en) * | 2017-02-23 | 2017-06-13 | 大唐终端技术有限公司 | A kind of terminal device battery charging state detection method and detection means |
| CN206517085U (en) * | 2016-12-27 | 2017-09-22 | 深圳市力通威电子科技有限公司 | Intelligent discharge circuit |
| CN206674257U (en) * | 2017-04-07 | 2017-11-24 | 深圳迈睿智能科技有限公司 | A kind of LED power and LED lamp for supporting hot plug |
| CN108282007A (en) * | 2018-02-12 | 2018-07-13 | 中航锂电技术研究院有限公司 | Communicate charging battery module current limliting strategy |
| CN108832696A (en) * | 2018-07-27 | 2018-11-16 | 苏州市博得立电源科技有限公司 | Lithium battery group |
-
2018
- 2018-11-24 CN CN201811413277.1A patent/CN111224437A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102447288A (en) * | 2011-12-05 | 2012-05-09 | 三门峡速达交通节能科技有限公司 | Power lithium-ion battery pack intelligent management system specially used for electric automobile |
| CN102630433A (en) * | 2012-04-18 | 2012-08-15 | 常州合力电器有限公司 | Lithium-cell lawn mower |
| CN103327656A (en) * | 2013-06-26 | 2013-09-25 | 惠州Tcl移动通信有限公司 | Communication module and portable terminal |
| CN103812164A (en) * | 2013-12-13 | 2014-05-21 | 中煤科工集团重庆研究院有限公司 | Grading starting type mining intrinsic safety power supply |
| CN105128688A (en) * | 2015-09-06 | 2015-12-09 | 重庆长安汽车股份有限公司 | Electric vehicle start control method and system |
| CN206517085U (en) * | 2016-12-27 | 2017-09-22 | 深圳市力通威电子科技有限公司 | Intelligent discharge circuit |
| CN106849240A (en) * | 2017-02-23 | 2017-06-13 | 大唐终端技术有限公司 | A kind of terminal device battery charging state detection method and detection means |
| CN206674257U (en) * | 2017-04-07 | 2017-11-24 | 深圳迈睿智能科技有限公司 | A kind of LED power and LED lamp for supporting hot plug |
| CN108282007A (en) * | 2018-02-12 | 2018-07-13 | 中航锂电技术研究院有限公司 | Communicate charging battery module current limliting strategy |
| CN108832696A (en) * | 2018-07-27 | 2018-11-16 | 苏州市博得立电源科技有限公司 | Lithium battery group |
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Application publication date: 20200602 |