CN113910986A - Battery heat preservation management method and related equipment - Google Patents
Battery heat preservation management method and related equipment Download PDFInfo
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- CN113910986A CN113910986A CN202111197130.5A CN202111197130A CN113910986A CN 113910986 A CN113910986 A CN 113910986A CN 202111197130 A CN202111197130 A CN 202111197130A CN 113910986 A CN113910986 A CN 113910986A
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- 238000007726 management method Methods 0.000 title claims abstract description 36
- 238000004321 preservation Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 38
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 238000004590 computer program Methods 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 238000001816 cooling Methods 0.000 abstract description 5
- 239000000498 cooling water Substances 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 description 19
- 238000000034 method Methods 0.000 description 18
- 238000010586 diagram Methods 0.000 description 11
- 230000008901 benefit Effects 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 5
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- 239000002253 acid Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
- B60L2240/545—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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Life Sciences & Earth Sciences (AREA)
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- Sustainable Energy (AREA)
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- Transportation (AREA)
- Mechanical Engineering (AREA)
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Abstract
The specification relates to the technical field of battery heat preservation, in particular to a battery heat preservation management method and related equipment, wherein the battery heat preservation management method comprises the following steps: judging the state of the vehicle; detecting a minimum temperature of a first battery when the vehicle is in an un-started state; and when the lowest temperature of the first battery is lower than a first preset temperature, starting a circulating water pump in the first battery. The higher temperature in electric core center is on average to the battery edge-wrapped lower position of edge temperature through circulating water pump's cooling water in with the battery package for the temperature in the battery package is even, draws the minimum temperature of high battery package, slows down the speed of battery cooling with this, need not frequently to open PTC heating device and compressor, when having improved the heat preservation effect of battery, has guaranteed the duration of electric motor car.
Description
Technical Field
The present disclosure relates to the field of battery thermal insulation technology, and more particularly, to a battery thermal insulation management method and related device.
Background
At present, the new energy electric automobile adopts a high-voltage battery to provide power, and a power battery can be safely and durably operated at a proper temperature, so that a battery cooling system is a necessary part and heats the battery at a low temperature, and the battery can quickly reach the working temperature; the battery is cooled at high temperature, and the safety is ensured. At present, cooling liquid or refrigerant is mostly adopted in the market as a cooling medium, the heat exchange media are required to be introduced into a refrigerant through the work of a compressor to take away heat, the compressor and the PTC are heated to consume energy, and the endurance of the electric vehicle is greatly influenced.
Therefore, there is a need for a battery thermal management method to at least partially solve the problems of the prior art.
Disclosure of Invention
In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
In order to at least partially solve the above problem, in a first aspect, the present invention provides a battery thermal insulation management method, including:
judging the state of the vehicle;
detecting a minimum temperature of a first battery when the vehicle is in an un-started state;
and when the lowest temperature of the first battery is lower than a first preset temperature, starting a circulating water pump in the first battery.
Optionally, the step of turning on the circulating water pump in the first battery includes:
and controlling the liquid of the circulating water pump to flow at a first preset flow rate.
Optionally, the battery thermal insulation management method further includes:
when the lowest temperature of the first battery is higher than the first preset temperature, controlling the liquid of the circulating water pump to flow at a second preset flow rate;
the second preset flow rate is less than the first preset flow rate.
Optionally, the battery thermal insulation management method further includes:
when the lowest temperature of the first battery is lower than a second preset temperature, judging the vehicle state again;
turning off a circulating water pump in the first battery when the vehicle is in an un-started state;
turning on a PTC heating device when the vehicle is in a starting state;
the first preset temperature is greater than the second preset temperature.
Optionally, the step of turning on the PTC heating device comprises:
controlling the PTC heating device to be heated to a third preset temperature;
controlling the liquid of the PTC heating device to flow at a third preset flow rate;
the third preset temperature is greater than the first preset temperature;
the third preset flow rate is not less than the first preset flow rate.
Optionally, the battery thermal insulation management method further includes:
detecting the second battery capacity;
and when the electric quantity of the second battery is lower than the preset electric quantity, stopping supplying power to the circulating water pump.
In a second aspect, the present invention further provides a battery thermal insulation management device, including:
a judging unit: for determining a vehicle state;
a detection unit: for detecting a temperature at a first battery edge when the vehicle is in an un-started and un-charged state;
a starting unit: and the circulating water pump in the first battery is started when the temperature of the edge of the first battery is lower than the first preset temperature.
In a third aspect, an electronic device includes: a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor is configured to implement the steps of the battery thermal management method according to any one of the first aspect described above when executing the computer program stored in the memory.
In a fourth aspect, the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the battery thermal insulation management method of any one of the above aspects.
In a fifth aspect, the invention further provides a vehicle, which includes the battery thermal insulation management device.
In conclusion, according to the scheme, the vehicle state is judged, the lowest Temperature of the first battery is detected when the vehicle is in the non-starting state, the circulating water pump in the first battery is started when the lowest Temperature of the first battery is lower than the first preset Temperature, the higher Temperature of the center of the electric core in the battery pack is averaged to the position, with the lower Temperature of the edge of the battery pack, of the battery pack through the circulation of cooling water of the circulating water pump, the Temperature in the battery pack is uniform, the lowest Temperature of the battery pack is increased, the cooling speed of the battery is reduced, a Positive Temperature Coefficient (PTC) heating device and a compressor do not need to be frequently started, the heat preservation effect of the battery is improved, and meanwhile the cruising ability of the electric vehicle is guaranteed.
Additional advantages, objects, and features of the battery thermal management method of the present invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the specification. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic flow chart of a battery thermal insulation management method according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a battery thermal insulation management device according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The terms "first," "second," "third," "fourth," and the like in the description and in the claims of the present application and in the drawings described above, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced otherwise than as specifically illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.
Referring to fig. 1, a schematic flow chart of a battery thermal insulation management method provided in an embodiment of the present application may specifically include:
s110, judging the vehicle state;
specifically, the current state of the vehicle is judged, and the state comprises an inactivated state and an activated state, wherein the inactivated state specifically refers to a state that the vehicle is static, and the battery is under high voltage and is not charged.
S120, detecting the lowest temperature of the first battery when the vehicle is in an un-started state;
it can be understood that the first battery is a power battery of a vehicle, the electric core of the first battery is located at the central position of the first battery, according to the principle of heat accumulation of the battery, the temperature of the central position of the first battery is the highest, the temperature at the edge is the lowest, and the lowest temperature of the first battery can be detected by detecting the temperature at the edge of the first battery, so that the temperature detection of the first battery is more accurate.
And S130, when the lowest temperature of the first battery is lower than a first preset temperature, starting a circulating water pump in the first battery.
Specifically, when detecting that the minimum temperature of first battery is less than first preset temperature, explain the temperature of battery is lower, need keep warm, open the circulating water pump in the first battery this moment, through the circulation of cooling water, with the battery package in the higher temperature of electricity core center on average to the battery position that the border temperature is lower, make the temperature in the battery package even, draw the minimum temperature of high battery package, with this speed that slows down the battery cooling, need not to frequently open PTC heating device and compressor, when having improved the heat preservation effect of battery, the duration of electric motor car has been guaranteed.
Exemplarily, the temperature difference between the center and the edge of the first battery can reach 10 ℃ at most, the first preset temperature is 0 ℃, when the temperature at the edge of the first battery is lower than 0 ℃, the circulating water pump is started, the first battery heat preservation time can be increased by 1-2 hours at least, the first battery heat preservation time exceeds 8 hours, the normal starting of a vehicle after the user works in winter can be guaranteed, the energy consumption of the whole vehicle is reduced, and the cruising ability is improved.
In conclusion, the method has the advantages that the higher temperature of the center of the battery core in the battery pack is averagely reached to the position with the lower temperature of the edge of the battery pack through the cooling water circulation of the circulating water pump, the cooling speed of the battery is reduced, the PTC heating device and the compressor do not need to be frequently started, the heat preservation effect of the battery is improved, and meanwhile the cruising ability of the electric vehicle is guaranteed.
In some examples, the step of turning on the circulation water pump in the first battery includes:
and controlling the liquid of the circulating water pump to flow at a first preset flow rate.
Specifically, the time for bringing the temperature of the center of the first battery to the edge of the first battery by the liquid is controlled by controlling the flow rate of the liquid in the circulating water pump, so that the speed for evenly distributing the internal temperature of the first battery is controlled, and the heat preservation effect is ensured.
For example, the first preset flow rate may be selected to be 18 liters per minute.
In some examples, the battery thermal insulation management method further includes:
when the lowest temperature of the first battery is higher than the first preset temperature, controlling the liquid of the circulating water pump to flow at a second preset flow rate; the second predetermined flow rate is less than the first predetermined flow rate.
Specifically, after the circulating water pump is started, the lowest temperature of the first battery is monitored, when the lowest temperature of the first battery is higher than the first preset temperature, the flow rate of liquid in the circulating water pump is controlled, so that the liquid flows at the second preset flow rate, it can be understood that the second preset flow rate is lower than the first preset flow rate, because under the effect of the circulating water pump, the temperature of the center of the first battery is distributed to the edge, so that the lowest temperature of the first battery is increased, therefore, the temperature is transmitted without the need of the faster flow rate, and the energy consumption is further reduced while the heat preservation effect of the first battery is ensured.
For example, the second preset flow rate may be set to 12 liters per minute, which reduces the energy consumption and ensures that the heat preservation effect of the first battery is not reduced.
In some examples, the battery thermal insulation management method further includes: judging the vehicle state again when the lowest temperature of the first battery is lower than a second preset temperature; turning off the circulating water pump in the first battery when the vehicle is in an un-started state; when the vehicle is in a starting state, starting the PTC heating device; the first predetermined temperature is greater than the second predetermined temperature.
Specifically, after the circulating water pump is started, the lowest temperature of the first battery is monitored, when the lowest temperature of the first battery is lower than a second preset temperature, the state of the vehicle is judged again, and when the vehicle is judged to be in an un-started state, the circulating water pump of the first battery is turned off; after the vehicle is judged to be in the starting state, the requirement of a user for the vehicle is indicated, and the PTC heating device is started to heat the whole first battery due to the fact that the temperature of the first battery is lower at the moment, so that the first battery reaches the temperature suitable for working, and the vehicle can be started to run normally.
For example, the second preset temperature may be set to-5 degrees celsius.
In some examples, the step of turning on the PTC heating device described above includes: controlling the PTC heating device to be heated to a third preset temperature; controlling the liquid of the PTC heating device to flow at a third preset flow rate; the third preset temperature is higher than the first preset temperature; the third preset flow rate is not less than the first preset flow rate.
Specifically, after the PTC heating device is started, the PTC heating device is controlled to be heated to a third preset temperature, and liquid of the PTC heating device is controlled to flow at a third preset flow rate. It can be appreciated that the third predetermined temperature is greater than the first predetermined temperature and the third predetermined flow rate is not less than the first predetermined flow rate, such that the first battery can quickly reach a temperature suitable for operation to ensure that the vehicle can be quickly started.
Illustratively, the third predetermined temperature may be selected to be 45 degrees celsius and the third predetermined flow rate may be selected to be 18 liters per minute.
In some examples, the battery thermal insulation management method further includes: detecting the second battery capacity; and when the electric quantity of the second battery is lower than the preset electric quantity, stopping supplying power to the circulating water pump.
Specifically, in order to further reduce the vehicle energy consumption, use the second battery to supply power for circulating water pump, the whole car lead acid battery can be chooseed for use to the second battery, need not to use power battery to supply power for circulating water pump for need not can operate under the condition of high voltage, the energy consumption is extremely low. And in order to guarantee that the vehicle can normal use, when the electric quantity of second battery is less than preset electric quantity, the second battery stops to supply power for circulating water pump, avoids the vehicle to take place because of the unable condition of using that leads to of lead-acid batteries feed.
Illustratively, the preset electric quantity is 30%, and the stability of the vehicle is guaranteed.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a battery thermal insulation management device according to an embodiment of the present disclosure;
a judging unit: for determining a vehicle state;
a detection unit: the temperature sensor is used for detecting the temperature at the edge of the first battery when the vehicle is in a non-starting and non-charging state;
a starting unit: and the circulating water pump is used for starting the circulating water pump in the first battery when the temperature of the edge of the first battery is lower than the first preset temperature.
Referring to fig. 3, fig. 3 is a schematic view of an embodiment of an electronic device according to an embodiment of the present disclosure.
As shown in fig. 3, an electronic device 300 is further provided in the present embodiment, which includes a memory 310, a processor 320, and a computer program 311 stored in the memory 320 and executable on the processor, and when the processor 320 executes the computer program 311, the steps of any method for managing battery thermal insulation described above are implemented.
Since the electronic device described in this embodiment is a device used for implementing a battery thermal insulation management apparatus in this embodiment, based on the method described in this embodiment, a person skilled in the art can understand the specific implementation manner of the electronic device of this embodiment and various variations thereof, so that how to implement the method in this embodiment by the electronic device is not described in detail herein, and as long as the person skilled in the art implements the device used for implementing the method in this embodiment, the device is within the scope of protection of this application.
In a specific implementation, the computer program 311 may implement any of the embodiments corresponding to fig. 1 when executed by a processor.
It should be noted that, in the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to relevant descriptions of other embodiments for parts that are not described in detail in a certain embodiment.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
An embodiment of the present application further provides a computer program product, where the computer program product includes computer software instructions, and when the computer software instructions are run on a processing device, the processing device is caused to execute a flow of the battery thermal insulation management method in the embodiment corresponding to fig. 1.
The computer program product includes one or more computer instructions. The procedures or functions according to the embodiments of the present application are all or partially generated when the computer program instructions are loaded and executed on a computer. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored on a computer readable storage medium or transmitted from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). A computer-readable storage medium may be any available medium that a computer can store or a data storage device, such as a server, a data center, etc., that is integrated with one or more available media. The usable medium may be a magnetic medium (e.g., floppy disk, hard disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In some examples, the present application provides a vehicle including the battery thermal management device described above, and therefore including all the advantages of the battery thermal management device, which are not described herein in detail.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of a unit is merely a logical division, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method of the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. A battery heat preservation management method is characterized by comprising the following steps:
judging the state of the vehicle;
detecting a minimum temperature of a first battery when the vehicle is in an un-started state;
and when the lowest temperature of the first battery is lower than a first preset temperature, starting a circulating water pump in the first battery.
2. The battery thermal management method of claim 1, wherein the step of turning on a circulating water pump in the first battery comprises:
and controlling the liquid of the circulating water pump to flow at a first preset flow rate.
3. The battery thermal management method of claim 2, further comprising:
when the lowest temperature of the first battery is higher than the first preset temperature, controlling the liquid of the circulating water pump to flow at a second preset flow rate;
the second preset flow rate is less than the first preset flow rate.
4. The battery thermal management method of claim 1, further comprising:
when the lowest temperature of the first battery is lower than a second preset temperature, judging the vehicle state again;
turning off a circulating water pump in the first battery when the vehicle is in an un-started state;
turning on a PTC heating device when the vehicle is in a starting state;
the first preset temperature is greater than the second preset temperature.
5. The battery thermal management method of claim 1, wherein the step of turning on the PTC heating device comprises:
controlling the PTC heating device to be heated to a third preset temperature;
controlling the liquid of the PTC heating device to flow at a third preset flow rate;
the third preset temperature is greater than the first preset temperature;
the third preset flow rate is not less than the first preset flow rate.
6. The battery thermal management method of claim 1, further comprising:
detecting the second battery capacity;
and when the electric quantity of the second battery is lower than the preset electric quantity, stopping supplying power to the circulating water pump.
7. A battery thermal management device, comprising:
a judging unit: for determining a vehicle state;
a detection unit: for detecting a temperature at a first battery edge when the vehicle is in an un-started and un-charged state;
a starting unit: and the circulating water pump in the first battery is started when the temperature of the edge of the first battery is lower than the first preset temperature.
8. An electronic device, comprising: memory, processor and computer program stored in the memory and executable on the processor, characterized in that the processor is adapted to implement the steps of the battery temperature management method according to any of claims 1 to 6 when executing the computer program stored in the memory.
9. A computer-readable storage medium having stored thereon a computer program, characterized in that: the computer program when executed by a processor implements a battery warm-keeping management method as claimed in any one of claims 1 to 6.
10. A vehicle comprising the battery thermal management apparatus of claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111197130.5A CN113910986A (en) | 2021-10-14 | 2021-10-14 | Battery heat preservation management method and related equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111197130.5A CN113910986A (en) | 2021-10-14 | 2021-10-14 | Battery heat preservation management method and related equipment |
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