CN112467253B - Battery heat preservation and heating control system and method in low-temperature environment, unmanned aerial vehicle and medium - Google Patents
Battery heat preservation and heating control system and method in low-temperature environment, unmanned aerial vehicle and medium Download PDFInfo
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- CN112467253B CN112467253B CN202011246185.6A CN202011246185A CN112467253B CN 112467253 B CN112467253 B CN 112467253B CN 202011246185 A CN202011246185 A CN 202011246185A CN 112467253 B CN112467253 B CN 112467253B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 78
- 238000004321 preservation Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 claims description 7
- 238000004590 computer program Methods 0.000 claims description 6
- 239000012782 phase change material Substances 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 4
- 239000012774 insulation material Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 description 10
- 230000006870 function Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
- B64D27/02—Aircraft characterised by the type or position of power plants
- B64D27/24—Aircraft characterised by the type or position of power plants using steam or spring force
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention belongs to the technical field of unmanned aerial vehicle battery protection, and discloses a battery heat-preservation heating control system and method, an unmanned aerial vehicle and a medium in a low-temperature environment, wherein a battery heat-preservation heating transport box provides a box body for storing and transporting an unmanned aerial vehicle battery; the intelligent battery temperature control system is integrated in the battery heat-preservation heating transport box and is used for temperature management related to the intelligent battery of the unmanned aerial vehicle; the unmanned aerial vehicle low-temperature algorithm system is integrated in the battery heat-preservation heating transport box and used for realizing a flight strategy adopted when the unmanned aerial vehicle monitors an external low-temperature environment. According to the invention, the problem of lossless heat preservation and heating of the battery is solved by using the battery heat preservation and heating transport box, real-time monitoring of the battery temperature is ensured by using the battery temperature control system, the battery safety state before taking off is ensured by using the low-temperature algorithm of the unmanned aerial vehicle, and the reliable flight of the unmanned aerial vehicle in a low-temperature environment is realized. The invention can ensure the safety and reliability of the unmanned aerial vehicle flying in a low-temperature environment.
Description
Technical Field
The invention belongs to the technical field of unmanned aerial vehicle storage battery protection, and particularly relates to a battery heat preservation and heating control system and method in a low-temperature environment, an unmanned aerial vehicle and a medium.
Background
Unmanned aerial vehicle uses the flight to be a problem that is puzzled always under low temperature environment, receives the influence of lithium cell characteristic, and under the low temperature environment, the chemical activity in the battery reduces, the internal resistance of battery increases, and the performance can seriously descend, can lead to unmanned aerial vehicle to trigger the low pressure after taking off and descend or trigger the battery and cross the protection, all can cause unmanned aerial vehicle to crash.
Especially in formation unmanned aerial vehicle performance field, huge unmanned aerial vehicle cluster just can fly after need all to go up the electricity, need wait a period at the night that the temperature is low, and the heat preservation problem is more outstanding.
At present, the use method of the unmanned aerial vehicle at low temperature is to increase a heating sheet in a battery core and to start the heating sheet to heat a battery before use, although the heating of the battery is also realized by the method, the defects of battery energy consumption and easy internal thermal runaway to cause dangerous situations exist, and the design of a heat preservation and heating method suitable for the unmanned aerial vehicle battery in the low-temperature environment is a technical problem to be solved urgently.
In summary, the problems of the prior art are as follows: unmanned aerial vehicle flies under low temperature environment, and the battery can be pulled to the low pressure in the twinkling of an eye owing to low temperature activity reduces, take off in the twinkling of an eye the battery, often can lead to unmanned aerial vehicle to crash or reduce the flight time by a wide margin, especially formation performance scene, and unmanned aerial vehicle need wait for a period at low temperature, waits for to go up the electricity after whole planes and just can fly, and the low temperature problem is more outstanding. The prior art scheme solves the defects that the low temperature problem can introduce the consumption of battery energy and the dangerous case caused by internal thermal runaway.
The difficulty in solving the above problems and defects is:
unmanned aerial vehicle especially performance type unmanned aerial vehicle size is less, hardly designs firing equipment on the battery, and self power consumptive heating can consume the continuation of the journey, therefore low temperature has always been the problem that puzzles unmanned aerial vehicle
The significance of solving the problems and the defects is as follows:
disclosure of Invention
In order to solve the problems in the prior art, the invention provides a battery heat-preservation heating control system and method, an unmanned aerial vehicle and a medium in a low-temperature environment.
The invention is realized in such a way that a battery heat preservation heating control method in a low-temperature environment is applied to an unmanned aerial vehicle, and the battery heat preservation heating control method in the low-temperature environment comprises the following steps:
the unmanned aerial vehicle detects the external temperature of the unmanned aerial vehicle in real time by using external temperature sensing, and is connected and communicated with the intelligent battery to obtain the temperature of the battery;
the unmanned aerial vehicle acquires a takeoff preparation instruction, judges whether the unmanned aerial vehicle flies safely according to the acquired battery temperature and the acquired external temperature, calculates the preheating time if the unmanned aerial vehicle does not reach the safe flying state, feeds the preheating time back to an operation interface, and starts idle preheating; and if the safe flight state is reached, calculating the safe flight voltage and the return flight time.
Further, unmanned aerial vehicle utilizes external temperature to feel and is used for real-time detection to carry on unmanned aerial vehicle upper portion for as the temperature of the battery heat preservation heating transport case of the storage of unmanned aerial vehicle battery and transportation, the inside temperature-detecting device that is equipped with of battery heat preservation heating transport case can stop hot air device and heating device after detecting ambient temperature and reaching the setting value, can automatic start hot air device and heating device after being less than the setting value.
Furthermore, a temperature detection program is integrated in the intelligent battery, and the internal temperature of the battery is detected in real time.
Phase change materials are wrapped outside the intelligent battery cell and used for delaying the temperature change speed of the battery.
Further, inside parcel heating plate and the temperature controller of intelligent battery electricity core heats through the outside power supply, reaches the automatic disconnection of temperature controller settlement temperature back.
Another objective of the present invention is to provide a battery thermal insulation heating control system in a low temperature environment, which is used for executing the battery thermal insulation heating control method in the low temperature environment; the battery heat preservation heating control system under low temperature environment includes:
the battery heat-preservation heating transport box is used for providing a box body for storage and transport of the battery of the unmanned aerial vehicle;
the intelligent battery temperature control system is integrated in the battery heat-preservation heating transport box and is used for temperature management related to the intelligent battery of the unmanned aerial vehicle;
and the unmanned aerial vehicle low-temperature algorithm system is integrated in the battery heat-preservation heating transport box and is used for realizing a flight strategy adopted when the unmanned aerial vehicle monitors that the outside is a low-temperature environment.
Further, the battery keeps warm and heats transport case includes:
the heat preservation and insulation material is added around the inner part;
the hot air device is arranged inside the battery heat-preservation heating transport box and generates hot air in the battery heat-preservation heating transport box after being started;
a power supply interface is arranged on the battery placing slot position, and a heating sheet in the battery is heated after the battery is inserted into the slot position;
the temperature detection device is arranged in the air conditioner, the hot air device and the heating device can be stopped when the temperature detection device detects that the ambient temperature reaches a set value, and the hot air device and the heating device can be automatically started when the temperature is lower than the set value.
Further, the intelligent battery temperature control system comprises:
the temperature detector is integrated in the intelligent battery and is used for detecting the internal temperature of the battery in real time;
the phase change material is wrapped outside the intelligent battery cell and used for delaying the temperature change speed of the battery;
the heating sheet and the temperature controller are wrapped in the intelligent battery cell and are heated by external power supply, and the intelligent battery cell is automatically disconnected after reaching the set temperature of the temperature controller;
and the communication module is used for continuously reporting the state of the intelligent battery after the intelligent battery is connected with the unmanned aerial vehicle, and comprises the temperature information in the battery.
The invention also aims to provide the unmanned aerial vehicle for implementing the battery heat preservation and heating control method in the low-temperature environment.
Another object of the present invention is to provide a computer apparatus including a memory and a processor, the memory storing a computer program, the computer program, when executed by the processor, causing the processor to execute the method for controlling warm-keeping and heating of a battery in a low-temperature environment.
Another object of the present invention is to provide a computer-readable storage medium storing a computer program which, when executed by a processor, causes the processor to execute the method for controlling warm-keeping and heating of a battery in a low-temperature environment.
By combining all the technical schemes, the invention has the advantages and positive effects that:
according to the invention, the problem of lossless heat preservation and heating of the battery is solved by using the battery heat preservation and heating transport box, real-time monitoring of the battery temperature is ensured by using the battery temperature control system, the battery safety state before taking off is ensured by using the low-temperature algorithm of the unmanned aerial vehicle, and the reliable flight of the unmanned aerial vehicle in a low-temperature environment is realized.
The invention can ensure the safety and reliability of the unmanned aerial vehicle flying in a low-temperature environment.
The invention can realize the heat preservation and heating of the battery by less loss of the energy of the battery of the electric unmanned aerial vehicle.
Technical effect or experimental effect of comparison.
FIG. 3 shows comparative data between conventional insulation measures and the insulation heating of the system:
it can be seen that the flight endurance is improved by 4.3 minutes and 17.2 percent in the environment of-10 ℃.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.
Fig. 1 is a flow chart of the operation of the battery heat preservation and heating transportation box provided by the embodiment of the invention.
Fig. 2 is a flow chart of the low-temperature flight work of the aircraft according to the embodiment of the invention.
FIG. 3 is a graph comparing the effect of heating provided by an embodiment of the present invention with conventional heating.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to solve the problems in the prior art, the invention provides a battery heat preservation and heating control system and method, an unmanned aerial vehicle and a medium in a low-temperature environment, and the invention is described in detail with reference to the accompanying drawings.
The invention provides a battery heat preservation heating control method in a low-temperature environment, which is applied to an unmanned aerial vehicle and comprises the following steps:
the unmanned aerial vehicle detects the external temperature of the unmanned aerial vehicle in real time by using external temperature sensing, and is connected and communicated with the intelligent battery to obtain the temperature of the battery;
the unmanned aerial vehicle acquires a takeoff preparation instruction, judges whether the unmanned aerial vehicle flies safely according to the acquired battery temperature and the acquired external temperature, calculates the preheating time if the unmanned aerial vehicle does not reach the safe flying state, feeds the preheating time back to an operation interface, and starts idle preheating; and if the safe flight state is reached, calculating the safe flight voltage and the return flight time.
The battery heat preservation heating system under the low-temperature environment comprises three parts: the system comprises a battery heat-preservation heating transport box, an intelligent battery temperature control system and an unmanned aerial vehicle low-temperature algorithm system;
as shown in fig. 1, the battery insulation heating transport box: as storage and transport case of unmanned aerial vehicle battery, its special design lies in:
(1) the periphery of the interior of the box body is provided with heat preservation and insulation materials.
(2) A hot air device is arranged in the box body, and hot air can be generated in the box body after the box body is started.
(3) The battery placing slot position is provided with an independent power supply interface, and the battery can start the heating function of the heating sheet in the battery after being inserted into the slot position.
(4) The temperature detection device is arranged in the box body, the hot air device and the heating device can be stopped when the temperature detection device detects that the ambient temperature reaches a set value, and the hot air device and the heating device can be automatically started when the ambient temperature is lower than the set value.
Intelligent battery temperature control system: the temperature management function that unmanned aerial vehicle intelligent battery related contains following specific function:
(1) the intelligent battery integrates a temperature detection function inside the battery, and the temperature inside the battery is detected in real time.
(2) Phase change materials are wrapped outside the intelligent battery cell, and the temperature change speed of the battery is delayed.
(3) The inside parcel heating plate of intelligent battery electricity core and temperature controller can heat through the outside power supply, and automatic disconnection after reaching the temperature controller and setting for the temperature.
(4) The intelligent battery can continuously report the state of the intelligent battery after being connected with the unmanned aerial vehicle, and the intelligent battery contains the internal temperature information of the battery.
As shown in fig. 2, the unmanned aerial vehicle low-temperature algorithm system: the unmanned aerial vehicle adopts a flight strategy when monitoring that the outside is a low-temperature environment, and comprises the following specific functions:
(1) the external temperature of unmanned aerial vehicle feels, real-time detection aircraft outside temperature.
(2) Unmanned aerial vehicle can communicate after being connected with intelligent battery, acquires the battery temperature.
(3) After the unmanned aerial vehicle acquires the preparation instruction of taking off, can combine battery temperature and external temperature, judge whether can fly safely, if can not reach the safe flight state, can calculate preheating time, feed back to operation interface on, start the idle speed and preheat the function.
(4) The unmanned aerial vehicle can calculate the safe flying voltage and the return flight time based on the external temperature and the battery temperature.
The battery heat preservation heating transport case can also adopt the mode of increasing the heating plate in the box etc. to realize the battery heat preservation. The phase-change material is wrapped outside the intelligent battery cell to realize heat insulation, and heat insulation cotton can be adopted to realize the heat insulation function.
FIG. 3 shows comparative data between conventional insulation measures and the insulation heating of the system:
it can be seen that the flight endurance is improved by 4.3 minutes and 17.2 percent in the environment of-10 ℃.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. The utility model provides a battery heat preservation heating control method under low temperature environment which characterized in that is applied to unmanned aerial vehicle, battery heat preservation heating control method under low temperature environment includes:
the unmanned aerial vehicle detects the external temperature of the unmanned aerial vehicle in real time by using external temperature sensing, and is connected and communicated with the intelligent battery to obtain the temperature of the battery;
the unmanned aerial vehicle acquires a takeoff preparation instruction, judges whether the unmanned aerial vehicle flies safely according to the acquired battery temperature and the acquired external temperature, calculates the preheating time if the unmanned aerial vehicle does not reach the safe flying state, feeds the preheating time back to an operation interface, and starts idle preheating; if the safe flight state is reached, calculating safe flight voltage and return flight time;
the unmanned aerial vehicle utilizes an external temperature sensor to detect the temperature of a battery heat-preservation heating transport box which is arranged on the upper part of the unmanned aerial vehicle and used for storage and transportation of a battery of the unmanned aerial vehicle in real time, a temperature detection device is arranged in the battery heat-preservation heating transport box, a hot air device and a heating device are stopped when the temperature of the environment is detected to reach a set value, and the hot air device and the heating device are automatically started when the temperature of the environment is lower than the set value;
a temperature detection program is integrated in the intelligent battery, and the internal temperature of the battery is detected in real time;
the phase change material is wrapped outside the intelligent battery cell and used for delaying the temperature change speed of the battery;
the intelligent battery cell is internally wrapped with a heating sheet and a temperature controller, and is heated by external power supply, and is automatically disconnected after reaching the set temperature of the temperature controller;
the battery heat preservation heating control method under the low-temperature environment is executed by a battery heat preservation heating control system under the low-temperature environment, and specifically comprises the following steps:
the battery heat-preservation heating transport box is used for providing a box body for storage and transport of the battery of the unmanned aerial vehicle;
the intelligent battery temperature control system is integrated in the battery heat-preservation heating transport box and is used for temperature management related to the intelligent battery of the unmanned aerial vehicle;
the unmanned aerial vehicle low-temperature algorithm system is integrated in the battery heat-preservation heating transport box and is used for realizing a flight strategy adopted when the unmanned aerial vehicle monitors that the external environment is a low-temperature environment;
the battery keeps warm and heats transport case includes:
the heat preservation and insulation material is added around the inner part;
the hot air device is arranged inside the battery heat-preservation heating transport box and generates hot air in the battery heat-preservation heating transport box after being started;
a power supply interface is arranged on the battery placing slot position, and a heating sheet in the battery is heated after the battery is inserted into the slot position;
the temperature detection device is arranged in the air conditioner, the hot air device and the heating device can be stopped when the ambient temperature is detected to reach a set value, and the hot air device and the heating device can be automatically started when the ambient temperature is lower than the set value;
the intelligent battery temperature control system comprises:
the temperature detector is integrated in the intelligent battery and is used for detecting the internal temperature of the battery in real time;
the phase change material is wrapped outside the intelligent battery cell and used for delaying the temperature change speed of the battery;
the heating sheet and the temperature controller are wrapped in the intelligent battery cell and are heated by external power supply, and the intelligent battery cell is automatically disconnected after reaching the set temperature of the temperature controller;
and the communication module is used for continuously reporting the state of the intelligent battery after the intelligent battery is connected with the unmanned aerial vehicle, and comprises the temperature information in the battery.
2. An unmanned aerial vehicle for implementing the method for controlling the heat preservation and heating of the battery in the low-temperature environment according to claim 1.
3. A computer device comprising a memory and a processor, wherein the memory stores a computer program, and the computer program, when executed by the processor, causes the processor to execute the method of controlling battery keep warm heating in a low-temperature environment according to claim 1.
4. A computer-readable storage medium storing a computer program which, when executed by a processor, causes the processor to execute the method for controlling warm-keeping heating of a battery in a low-temperature environment according to claim 1.
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| FR3070764B1 (en) * | 2017-09-04 | 2020-09-04 | Renault Sas | PROCESS FOR DETERMINING THE STATE OF AN ELECTRICAL LINE CONNECTING A BATTERY CELL OF ACCUMULATORS TO A CONTROL UNIT AND CORRESPONDING CONTROL UNIT |
| CN113161650B (en) * | 2021-04-13 | 2022-11-01 | 安徽交通职业技术学院 | A self-insulation control method for power battery of new energy bus |
| CN114296534A (en) * | 2021-12-28 | 2022-04-08 | 广东电网有限责任公司 | Unmanned aerial vehicle parking apron system with deep learning function and low-temperature availability |
| CN115032884A (en) * | 2022-07-05 | 2022-09-09 | 四川傲势科技有限公司 | Temperature monitoring method, device, equipment and readable storage medium |
| CN117080624B (en) * | 2023-09-13 | 2024-04-05 | 苏州华骞时代新能源科技有限公司 | Battery heating control method and system |
| CN118867492B (en) * | 2024-07-12 | 2024-12-27 | 苏州华骞时代新能源科技有限公司 | A lithium battery heating control method and system for unmanned aerial vehicle |
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