CN112622681B - Charging control method and device - Google Patents
Charging control method and device Download PDFInfo
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- CN112622681B CN112622681B CN201910906026.5A CN201910906026A CN112622681B CN 112622681 B CN112622681 B CN 112622681B CN 201910906026 A CN201910906026 A CN 201910906026A CN 112622681 B CN112622681 B CN 112622681B
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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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/66—Data transfer between charging stations and vehicles
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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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- 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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- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Abstract
The embodiment of the invention provides a charging control method and equipment, wherein the method comprises the following steps: when the output power value of the charging gun is judged to be less than or equal to the power value of the heating film corresponding to the power battery, judging whether the power battery needs to be heated; if the power battery is determined to need to be heated, the whole vehicle is controlled to enter a heating-only process through the whole vehicle controller; when the power battery can be charged, the whole vehicle is controlled by the vehicle controller to enter the charging process, the charging stage can be adjusted according to the output power value and the heating film power value of the charging gun, and the problem that when the power of the heating film exceeds the power of the charging gun, the electric energy of the charging gun cannot be input into the power battery in the charging and heating stages, even the power battery is discharged, and certain damage is caused to the power battery is solved.
Description
Technical Field
The embodiment of the invention relates to the technical field of charging, in particular to a charging control method and charging control equipment.
Background
With the shortage of petroleum resources and the increasing environmental protection problem, governments and automobile manufacturing enterprises around the world are all actively pushing new energy automobiles. At present, the power of a new energy automobile is mainly provided with electric energy by a battery, so that the performance of the power battery is an important index of the performance of the new energy automobile. In the charging process in winter, the temperature of the power battery is usually too low, which can seriously affect the charging amount of the power battery, and further affect the cruising ability of the whole vehicle, so the power battery needs to be preheated in the charging process in winter. The power battery is generally provided with a heating system for ensuring the smooth implementation of the charging process in the low-temperature environment.
At present, the charging process of the existing electric automobile is generally divided into three charging stages of heating only, charging while heating and charging only. Among them, in a heating system of a power battery, a common heating method is heating film (resistance) heating.
However, the inventor finds that in the charging process of the existing electric vehicle, because the powers of the heating films configured on different vehicle types are different, the lowest power of the electric vehicle is only about 2.8kW according to the specification of the charging gun in the charging process; when the power of the heating film exceeds the power (2.8 kW) of the charging gun, the electric energy of the charging gun cannot be input to the power battery in the charging and heating stages, and even the power battery discharges, so that the power battery is damaged to some extent.
Disclosure of Invention
The embodiment of the invention provides a charging control method and charging control equipment, which are used for solving the problems that when the power of a heating film exceeds the power of a charging gun, the electric energy of the charging gun cannot be input into a power battery in the charging and heating stages, even the power battery discharges, and the power battery is damaged to a certain extent.
In a first aspect, an embodiment of the present invention provides a charging control method, including:
receiving an outputable power value of a charging gun sent by a vehicle-mounted charger;
when the output power value of the charging gun is judged to be less than or equal to the power value of the heating film corresponding to the power battery, judging whether the power battery needs to be heated;
if the power battery is determined to need to be heated, controlling the whole vehicle to enter a heating-only process through a vehicle controller;
when the whole vehicle is only in the heating process, judging whether the power battery can be charged;
if the power battery can be charged, controlling the whole vehicle to enter a charging-only process through the vehicle controller;
and when the power battery is determined to be charged completely, controlling the whole vehicle to enter a power-off process through the vehicle controller.
In a possible design, after receiving the outputable power value of the charging gun sent by the vehicle-mounted charger, the method further includes:
when the output power value of the charging gun is judged to be larger than the power value of the heating film corresponding to the power battery, judging whether the power battery needs to be heated;
if the power battery is determined to need to be heated, the whole vehicle controller controls the whole vehicle to enter a heating-only process;
when the whole vehicle is only in the heating process, judging whether the power battery can be charged;
if the power battery can be charged, controlling the whole vehicle to enter a charging and heating process through the whole vehicle controller;
and when the power battery is determined to be charged, the whole vehicle is controlled to enter a power-off process through the whole vehicle controller.
In a possible design, after the controlling, by the vehicle controller, the vehicle enters a charging-only process if it is determined that the power battery is chargeable, the method further includes:
when the power battery is determined not to be charged completely, judging whether the power battery needs to be heated or not;
and if the power battery is determined to need to be heated, the step of controlling the whole vehicle to enter the heating-only process through the whole vehicle controller is executed again.
In a possible design, if it is determined that the power battery can be charged, the method, after controlling the vehicle by the vehicle controller to enter a heating process while charging, further includes:
when the power battery is determined not to be charged completely, judging whether the power battery needs to be heated or not;
and if the power battery is determined to need to be heated, the step of controlling the whole vehicle to enter the heating process while charging through the whole vehicle controller is executed again.
In one possible design, after determining whether the power battery needs to be heated when it is determined that the power battery charging is not completed, the method further includes:
if the power battery does not need to be heated, controlling the whole vehicle to enter a charging-only process through the whole vehicle controller;
and when the power battery is determined to be charged, the whole vehicle is controlled to enter a power-off process through the whole vehicle controller.
In a possible design, if it is determined that the power battery does not need to be heated, after the vehicle controller controls the vehicle to enter a charging-only process, the method further includes:
when the power battery is determined not to be charged completely, judging whether the power battery needs to be heated or not;
if the power battery is determined to need to be heated, the step of controlling the whole vehicle to enter the heating-only process through the whole vehicle controller is executed again;
and if the power battery does not need to be heated, the step of controlling the whole vehicle to enter the charging-only process through the whole vehicle controller is executed again.
In a second aspect, an embodiment of the present invention provides a charge control device, including:
the power value receiving module is used for receiving the output power value of the charging gun sent by the vehicle-mounted charger;
the heating judgment module is used for judging whether the power battery needs to be heated or not when the output power value of the charging gun is judged to be less than or equal to the power value of the heating film corresponding to the power battery;
the charging control module is used for controlling the whole vehicle to enter a heating-only process through the whole vehicle controller if the power battery is determined to need heating;
the chargeable judging module is used for judging whether the power battery can be charged or not when the whole vehicle is only in the heating process;
the charging control module is further used for controlling the whole vehicle to enter a charging process only through the whole vehicle controller if the power battery is determined to be charged, and controlling the whole vehicle to enter a power-off process through the whole vehicle controller when the power battery is determined to be charged.
In one possible design of the system, the system may be,
the heating judgment module is further used for judging whether the power battery needs to be heated or not when the output power value of the charging gun is judged to be larger than the power value of the heating film corresponding to the power battery;
the charging control module is also used for controlling the whole vehicle to enter a heating-only process through the whole vehicle controller if the power battery is determined to need to be heated;
the chargeable judging module is used for judging whether the power battery can be charged or not when the whole vehicle is only heated;
the charging control module is also used for controlling the whole vehicle to enter a charging and heating process through the whole vehicle controller if the power battery is determined to be chargeable; and when the power battery is determined to be charged, the whole vehicle is controlled to enter a power-off process through the whole vehicle controller.
In a third aspect, an embodiment of the present invention provides a charge control device, including: at least one processor and memory;
the memory stores computer-executable instructions;
the at least one processor executes computer-executable instructions stored by the memory to cause the at least one processor to perform the charging control method as set forth in the first aspect above and in various possible designs of the first aspect.
In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium, where computer-executable instructions are stored, and when a processor executes the computer-executable instructions, the charging control method according to the first aspect and various possible designs of the first aspect is implemented.
In the charging control method and the charging control device provided by the embodiment of the invention, the method comprises the following steps: when the output power value of the charging gun is judged to be less than or equal to the power value of the heating film corresponding to the power battery, judging whether the power battery needs to be heated; if the power battery is determined to need to be heated, the whole vehicle is controlled to enter a heating-only process through the whole vehicle controller; when the power battery is determined to be charged, the whole vehicle is controlled by the vehicle controller to enter the charging process, the charging stage can be adjusted according to the output power value of the charging gun and the power value of the heating film, and the problem that when the power of the heating film exceeds the power of the charging gun, the electric energy of the charging gun cannot be input to the power battery in the charging and heating stages, even the power battery is discharged, and the power battery is damaged to a certain extent is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of an electric vehicle charging system according to an embodiment of the present invention;
fig. 2 is a first flowchart illustrating a charging control method according to an embodiment of the present invention;
fig. 3 is a second flowchart illustrating a charging control method according to an embodiment of the present invention;
fig. 4 is a third schematic flowchart of a charging control method according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a charging control apparatus according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a hardware structure of a charging control device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic diagram of an architecture of an electric vehicle charging system according to an embodiment of the present invention. As shown in fig. 1, the system provided in this embodiment includes an on-vehicle charger 100, a vehicle control unit 200, and a battery management system 300.
The vehicle-mounted charger 100, the vehicle control unit 200, and the battery management system 300 may be connected through bus communication, for example, a Controller Area Network (CAN) bus.
The battery management system 300 may be a BMS (battery management system).
The vehicle-mounted charger 100 is used for being connected with a charging gun to charge a power battery 400 of an automobile. The vehicle controller 200 and the battery management system 300 are used for controlling the charging process of the vehicle, including the charging process of heating only, heating while charging, charging only, and the like. The charging process of the existing electric automobile is generally divided into three charging stages of heating only, charging while heating and charging only.
However, in some scenarios, the heating system of the power battery is a heating film heating manner, and when the power of the heating film exceeds the power of the charging gun, the electric energy of the charging gun cannot be input to the power battery during the charging and heating stages, and even the power battery discharges, which causes a certain damage to the power battery. In order to solve the technical problem, embodiments of the present invention provide a charging control method, which can adjust a charging stage according to an outputable power value of a charging gun and a power value of a heating film.
Fig. 2 is a first flowchart illustrating a charging control method according to an embodiment of the present invention, where an execution main body of the embodiment includes the battery management system shown in fig. 1. As shown in fig. 2, the method includes:
s201: and receiving the output power value of the charging gun sent by the vehicle-mounted charger.
In this embodiment, the power value that can be output by the charging gun is obtained by the vehicle-mounted charger when the charging gun is connected to the vehicle-mounted charger.
When the charging gun is connected with the whole vehicle, the charging gun is connected with a vehicle-mounted charger of the whole vehicle. The vehicle-mounted charger can acquire the output power value of the charging gun by detecting the specification of the charging gun. The vehicle-mounted charger CAN send the output power value of the charging gun to the battery management system through the CAN bus.
S202: and when the output power value of the charging gun is judged to be less than or equal to the power value of the heating film corresponding to the power battery, judging whether the power battery needs to be heated.
In the embodiment, the heating film is a heating component of the power battery, and the working power of the heating film is fixed to the rated power.
Specifically, the process of judging whether the power battery needs to be heated is as follows:
judging whether the temperature of the power battery is smaller than a preset temperature threshold value or not, and if so, judging that the power battery needs to be heated; and if not, determining that the power battery does not need to be heated.
S203: and if the power battery is determined to need to be heated, controlling the whole vehicle to enter a heating-only process through the vehicle controller.
Specifically, the battery management system controls the whole vehicle to enter a heating process through the vehicle controller:
the battery management system sends a first charging instruction to the vehicle control unit, so that the vehicle control unit controls the charging gun to supply power only to the heating film and not to supply power to the power battery according to the first charging instruction.
S204: and judging whether the power battery can be charged or not when the whole vehicle is in the heating process.
Specifically, the process of determining whether the power battery can be charged is:
and after the whole vehicle is controlled to enter the heating process, monitoring the temperature of the power battery in real time, and judging that the power battery can be charged when the temperature of the battery is not less than a preset temperature threshold value. The preset temperature threshold is the lowest temperature at which the power battery can be charged.
S205: and if the power battery can be charged, controlling the whole vehicle to enter a charging-only process through the vehicle controller.
Specifically, the battery management system controls the whole vehicle to enter a charging-only process through the vehicle controller, and the charging-only process comprises the following steps:
and the battery management system sends a second charging instruction to the vehicle control unit, so that the vehicle control unit controls the charging gun to supply power only for the power battery and not for the heating film according to the second charging instruction.
S206: and when the power battery is determined to be charged, the whole vehicle is controlled to enter a power-off process through the whole vehicle controller.
Specifically, the process of determining whether the power battery charging is completed is as follows:
monitoring the residual electric quantity of the power battery, and determining that the power battery is charged when the residual electric quantity reaches a set value; and when the residual capacity does not reach the set value, determining that the power battery is not charged.
The remaining power may be SOC (State Of Charge).
Specifically, the battery management system controls the whole vehicle to enter a power-off process through the vehicle controller, and the power-off process comprises the following steps:
and the battery management system sends a third charging instruction to the vehicle control unit, so that the vehicle control unit controls the vehicle to enter a power-off process according to the third charging instruction.
In one embodiment of the invention, when the power battery charging is determined not to be completed, judging whether the power battery needs to be heated or not; and if the power battery needs to be heated, re-executing the step of controlling the whole vehicle to enter the heating-only process through the whole vehicle controller in S203.
From the above description, when it is determined that the outputtable power value of the charging gun is less than or equal to the power value of the heating film corresponding to the power battery, it is determined whether the power battery needs to be heated; if the power battery is determined to need to be heated, controlling the whole vehicle to enter a heating-only process through a vehicle controller; when the power battery can be charged, the whole vehicle is controlled by the vehicle controller to enter the charging process, the charging stage can be adjusted according to the output power value and the heating film power value of the charging gun, and the problem that when the power of the heating film exceeds the power of the charging gun, the electric energy of the charging gun cannot be input into the power battery in the charging and heating stages, even the power battery is discharged, and certain damage is caused to the power battery is solved.
Fig. 3 is a second flowchart of a charging control method according to an embodiment of the present invention, and on the basis of the embodiment of fig. 1, after step S201, this embodiment mainly describes how to implement a process of heating while charging, where the charging control method further includes:
s301, when the output power value of the charging gun is larger than the power value of the heating film corresponding to the power battery, judging whether the power battery needs to be heated.
S302, if the power battery needs to be heated, the whole vehicle is controlled to enter a heating-only process through the whole vehicle controller.
And S303, judging whether the power battery can be charged or not when the whole vehicle is in the heating process only.
S304: and if the power battery can be charged, controlling the whole vehicle to enter a charging and heating process through the whole vehicle controller.
S305: and when the power battery is determined to be charged, the whole vehicle is controlled to enter a power-off process through the whole vehicle controller.
In this embodiment, the battery management system controls the whole vehicle to enter the heating process while charging through the vehicle controller:
and the battery management system sends a fourth charging instruction to the vehicle control unit, so that the vehicle control unit controls the charging gun to simultaneously supply power to the power battery and the heating film according to the fourth charging instruction.
In one embodiment of the invention, when the power battery charging is determined not to be completed, judging whether the power battery needs to be heated or not; and if the power battery needs to be heated, re-executing the step of controlling the whole vehicle to enter the heating-only process through the whole vehicle controller in S302.
According to the above description, when the output power of the charging gun is judged to be larger than the power of the heating film corresponding to the power battery, whether the power battery needs to be heated is judged; if the power battery needs to be heated, the whole vehicle is controlled by the whole vehicle controller to enter a heating process only; when the power battery can be charged, the whole vehicle controller is controlled to control the whole vehicle to enter a heating process while charging, so that the charging efficiency of the power battery can be improved, and the charging time can be shortened.
Fig. 4 is a third flowchart illustrating a charging control method according to an embodiment of the present invention. On the basis of the embodiment in fig. 2, if it is determined in step S304 that the power battery can be charged, after the vehicle controller controls the vehicle to enter the heating process while charging, the method may further include:
s401: and when the power battery charging is not completed, judging whether the power battery needs to be heated.
S402: and if the power battery needs to be heated, re-executing the step of controlling the whole vehicle to enter the heating process while charging through the whole vehicle controller in the step S304.
S403: and if the power battery does not need to be heated, controlling the whole vehicle to enter a charging-only process through the vehicle controller.
S404: and when the power battery is determined to be charged, the whole vehicle is controlled to enter a power-off process through the whole vehicle controller.
S405: and when the power battery is determined not to be completely charged, judging whether the power battery needs to be heated or not.
S406: and if the power battery is determined to need to be heated, re-executing the step of controlling the whole vehicle to enter the heating-only process through the whole vehicle controller in the step S302.
S407: and if the power battery does not need to be heated, re-executing the step of controlling the whole vehicle to enter the charging-only process through the whole vehicle controller in the step S403.
From the above description, when the power battery is in the charging-only process, it is determined that the power battery is not charged and the power battery needs to be heated, the step of controlling the vehicle controller to enter the heating-only process is repeatedly executed, so that the charging efficiency of the power battery is further improved, and the charging time is shortened.
Fig. 5 is a schematic structural diagram of a charge control device according to an embodiment of the present invention. As shown in fig. 5, the charge control device 50 includes: a power value receiving module 501, a heating judgment module 502, a charging control module 503 and a chargeable judgment module 504.
The power value receiving module 501 is configured to receive an outputable power value of a charging gun sent by a vehicle-mounted charger;
a heating judgment module 502, configured to judge whether the power battery needs to be heated when it is judged that the outputable power value of the charging gun is less than or equal to the power value of the heating film corresponding to the power battery;
the charging control module 503 is configured to control the entire vehicle to enter a heating-only process through the entire vehicle controller if it is determined that the power battery needs to be heated;
the chargeable judging module 504 is configured to judge whether the power battery can be charged when the entire vehicle is in a heating-only process;
the charging control module 503 is further configured to control the entire vehicle to enter a charging only process through the entire vehicle controller if it is determined that the power battery can be charged, and control the entire vehicle to enter a power-off process through the entire vehicle controller when it is determined that the charging of the power battery is completed.
The apparatus provided in this embodiment may be used to implement the technical solutions of the above method embodiments, and the implementation principles and technical effects are similar, which are not described herein again.
Referring to fig. 5, in one embodiment of the invention,
the heating judgment module 502 is further configured to judge whether the power battery needs to be heated when it is judged that the outputable power value of the charging gun is greater than the power value of the heating film corresponding to the power battery;
the charging control module 503 is further configured to control the entire vehicle to enter a heating-only process through the entire vehicle controller if it is determined that the power battery needs to be heated;
the chargeable judging module 504 is configured to judge whether the power battery can be charged when the entire vehicle is only in a heating process;
the charging control module 503 is further configured to control the entire vehicle to enter a charging and heating process through the entire vehicle controller if it is determined that the power battery can be charged; and when the power battery is determined to be charged, the whole vehicle is controlled to enter a power-off process through the whole vehicle controller.
Referring to fig. 5, in one embodiment of the invention,
the heating judgment module 502 is further configured to judge whether the power battery needs to be heated when it is determined that the power battery is not charged;
the charging control module 503 is further configured to, if it is determined that the power battery needs to be heated, re-execute the step of controlling the entire vehicle to enter the heating-only process through the entire vehicle controller.
Referring to fig. 5, in one embodiment of the invention,
the heating judgment module 502 is further configured to judge whether the power battery needs to be heated when it is determined that the power battery is not charged;
the charging control module 503 is further configured to, if it is determined that the power battery needs to be heated, re-execute the step of controlling the entire vehicle to enter a heating process while charging through the entire vehicle controller.
Referring to fig. 5, in one embodiment of the invention,
the charging control module 503 is further configured to control the entire vehicle to enter a charging-only process through the vehicle controller if it is determined that the power battery does not need to be heated; and when the power battery is determined to be charged, the whole vehicle is controlled to enter a power-off process through the whole vehicle controller.
Referring to fig. 5, in one embodiment of the invention,
the heating judgment module 502 is further configured to, when it is determined that the charging of the power battery is not completed, judge whether the power battery needs to be heated by the heating judgment;
the charging control module 503 is further configured to, if it is determined that the power battery needs to be heated, re-execute the step of controlling the entire vehicle to enter the heating-only process through the entire vehicle controller; and if the power battery does not need to be heated, the step of controlling the whole vehicle to enter the charging-only process through the whole vehicle controller is executed again.
The apparatus provided in this embodiment may be used to implement the technical solutions of the above method embodiments, and the implementation principles and technical effects are similar, which are not described herein again.
Fig. 6 is a schematic diagram of a hardware structure of a charging control device according to an embodiment of the present invention. As shown in fig. 6, the charge control device 60 of the present embodiment includes: a processor 601 and a memory 602; wherein
A memory 602 for storing computer-executable instructions;
the processor 601 is configured to execute computer-executable instructions stored in the memory to implement the steps performed by the battery management system in the foregoing embodiments. Reference may be made in particular to the description relating to the method embodiments described above.
Alternatively, the memory 602 may be separate or integrated with the processor 601.
When the memory 602 is provided separately, the charge control device further includes a bus 603 for connecting the memory 602 and the processor 601.
An embodiment of the present invention further provides a computer-readable storage medium, where a computer execution instruction is stored in the computer-readable storage medium, and when a processor executes the computer execution instruction, the charging control method is implemented as described above.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described device embodiments are merely illustrative, and for example, the division of the modules is only one logical division, and other divisions may be realized in practice, for example, a plurality of modules 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 modules, and may be in an electrical, mechanical or other form.
The modules described as separate parts may or may not be physically separate, and parts displayed as modules 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 modules may be selected according to actual needs to implement the solution of the embodiment.
In addition, functional modules in the embodiments of the present invention may be integrated into one processing unit, or each module may exist alone physically, or two or more modules are integrated into one unit. The unit formed by the modules can be realized in a hardware form, and can also be realized in a form of hardware and a software functional unit.
The integrated module implemented in the form of a software functional module may be stored in a computer-readable storage medium. The software functional module is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) or a processor to execute some steps of the methods described in the embodiments of the present application.
It should be understood that the Processor may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of a method disclosed in connection with the present invention may be embodied directly in a hardware processor, or in a combination of the hardware and software modules within the processor.
The memory may comprise a high-speed RAM memory, and may further comprise a non-volatile storage NVM, such as at least one disk memory, and may also be a usb disk, a removable hard disk, a read-only memory, a magnetic or optical disk, etc.
The bus may be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, an Extended ISA (Extended Industry Standard Architecture) bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, the buses in the figures of the present application are not limited to only one bus or one type of bus.
The storage medium may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks. A storage media may be any available media that can be accessed by a general purpose or special purpose computer.
An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. Of course, the storage medium may also be integral to the processor. The processor and the storage medium may reside in an Application Specific Integrated Circuits (ASIC). Of course, the processor and the storage medium may reside as discrete components in an electronic device or host device.
Those of ordinary skill in the art will understand that: all or a portion of the steps of implementing the above-described method embodiments may be performed by hardware associated with program instructions. The program may be stored in a computer-readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A charge control method, comprising:
receiving an outputable power value of a charging gun sent by a vehicle-mounted charger; the output power value of the charging gun is obtained by the vehicle-mounted charger through detecting the specification of the charging gun when the vehicle-mounted charger is connected with the charging gun;
judging the relation between the output power value of the charging gun and the power value of the heating film corresponding to the power battery;
when the output power value of the charging gun is judged to be less than or equal to the power value of the heating film corresponding to the power battery, judging whether the power battery needs to be heated;
if the power battery is determined to need to be heated, controlling the whole vehicle to enter a heating-only process through a vehicle controller;
judging whether the power battery can be charged or not when the whole vehicle is in the heating process only;
if the power battery can be charged, controlling the whole vehicle to enter a charging-only process through the vehicle controller;
when the power battery is determined to be charged, the whole vehicle controller controls the whole vehicle to enter a power-off process;
when the output power value of the charging gun is judged to be larger than the power value of the heating film corresponding to the power battery, judging whether the power battery needs to be heated;
if the power battery is determined to need to be heated, the whole vehicle controller controls the whole vehicle to enter a heating-only process;
judging whether the power battery can be charged or not when the whole vehicle is in the heating process only;
if the power battery can be charged, controlling the whole vehicle to enter a charging and heating process through the whole vehicle controller;
and when the power battery is determined to be charged, the whole vehicle is controlled to enter a power-off process through the whole vehicle controller.
2. The method of claim 1, wherein if it is determined that the power battery is available for charging, controlling the entire vehicle by the vehicle controller to enter a charging-only process, further comprising:
when the power battery is determined not to be charged completely, judging whether the power battery needs to be heated or not;
and if the power battery is determined to need to be heated, the step of controlling the whole vehicle to enter the heating-only process through the whole vehicle controller is executed again.
3. The method according to claim 1, wherein if it is determined that the power battery can be charged, the method further comprises the following step of controlling the vehicle controller to enter a heating process while charging, wherein the heating process includes:
when the power battery is determined not to be charged completely, judging whether the power battery needs to be heated or not;
and if the power battery is determined to need to be heated, the step of controlling the whole vehicle to enter the heating process while charging through the whole vehicle controller is executed again.
4. The method of claim 3, wherein after determining whether the power battery needs to be heated when it is determined that the power battery charging is not complete, further comprising:
if the power battery does not need to be heated, controlling the whole vehicle to enter a charging-only process through the whole vehicle controller;
and when the power battery is determined to be charged, the whole vehicle is controlled to enter a power-off process through the whole vehicle controller.
5. The method of claim 4, wherein if it is determined that the power battery does not need to be heated, after controlling the vehicle by the vehicle controller to enter a charging-only process, further comprising:
when the power battery is determined not to be charged completely, judging whether the power battery needs to be heated or not;
if the power battery is determined to need to be heated, the step of controlling the whole vehicle to enter the heating-only process through the whole vehicle controller is executed again;
and if the power battery does not need to be heated, the step of controlling the whole vehicle to enter a charging-only process through the whole vehicle controller is executed again.
6. A charge control device, characterized by comprising:
the power value receiving module is used for receiving the output power value of the charging gun sent by the vehicle-mounted charger; the power value which can be output by the charging gun is obtained by detecting the specification of the charging gun when the vehicle-mounted charger is connected with the charging gun;
the size relation judging module is used for judging the size relation between the output power value of the charging gun and the power value of the heating film corresponding to the power battery;
the heating judgment module is used for judging whether the power battery needs to be heated or not when judging that the output power value of the charging gun is less than or equal to the power value of the heating film corresponding to the power battery;
the charging control module is used for controlling the whole vehicle to enter a heating-only process through the whole vehicle controller if the power battery is determined to need heating;
the chargeable judging module is used for judging whether the power battery can be charged or not when the whole vehicle is only in the heating process;
the charging control module is also used for controlling the whole vehicle to enter a charging-only process through the whole vehicle controller if the power battery is determined to be chargeable, and controlling the whole vehicle to enter a power-off process through the whole vehicle controller when the power battery is determined to be charged;
the heating judgment module is further used for judging whether the power battery needs to be heated or not when the output power value of the charging gun is judged to be larger than the power value of the heating film corresponding to the power battery;
the charging control module is also used for controlling the whole vehicle to enter a heating-only process through the whole vehicle controller if the power battery is determined to need to be heated;
the chargeable judging module is used for judging whether the power battery can be charged or not when the whole vehicle is only heated;
the charging control module is also used for controlling the whole vehicle to enter a charging and heating process through the whole vehicle controller if the power battery is determined to be chargeable; and when the power battery is determined to be charged, the whole vehicle is controlled to enter a power-off process through the whole vehicle controller.
7. A charge control device characterized by comprising: at least one processor and memory;
the memory stores computer execution instructions;
the at least one processor executing computer-executable instructions stored by the memory causes the at least one processor to perform the charging control method of any of claims 1 to 5.
8. A computer-readable storage medium having stored therein computer-executable instructions that, when executed by a processor, implement the charging control method according to any one of claims 1 to 5.
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| CN114670684A (en) * | 2021-06-07 | 2022-06-28 | 北京新能源汽车股份有限公司 | Power battery heating control method, device and equipment and automobile |
| CN114103732B (en) * | 2021-12-16 | 2023-10-24 | 上汽大众汽车有限公司 | Charging and heating method and system for power battery of electric vehicle |
| CN115366723A (en) * | 2022-04-24 | 2022-11-22 | 宁德时代新能源科技股份有限公司 | Battery charging control method, device, equipment and storage medium |
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