CN115071423A - Charging and discharging control method and system for electric automobile and electric automobile - Google Patents
Charging and discharging control method and system for electric automobile and electric automobile Download PDFInfo
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- CN115071423A CN115071423A CN202210921390.0A CN202210921390A CN115071423A CN 115071423 A CN115071423 A CN 115071423A CN 202210921390 A CN202210921390 A CN 202210921390A CN 115071423 A CN115071423 A CN 115071423A
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- 238000004590 computer program Methods 0.000 claims description 12
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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
- B60L1/00—Supplying electric power to auxiliary equipment of 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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
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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
- Y02T90/14—Plug-in electric vehicles
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The embodiment of the application provides a charging and discharging control method and system for an electric automobile, the electric automobile and electronic equipment, wherein the method comprises the following steps: receiving a charge and discharge signal; detecting a direct current charging and discharging connector of the electric automobile according to the charging and discharging signals to obtain a resistance value of the direct current charging connector; selecting and starting a charge-discharge program according to the resistance value; receiving an end signal; and ending the charging and discharging program according to the ending signal. By implementing the embodiment of the application, the electric energy can be continuously output, the requirements of various electric equipment are met, a charge-discharge interface is not required to be added, the cost is saved, and the appearance of the electric automobile is not influenced.
Description
Technical Field
The application relates to the technical field of electric automobiles, in particular to a charging and discharging control method and system of an electric automobile, the electric automobile, electronic equipment and a computer readable storage medium.
Background
At present, the external discharge mode for the electric automobile mainly discharges through an in-automobile socket, and the discharge power of the mode is small, about 150W, so that the use of small electric equipment cannot be met, and in addition, the output power cannot be continuously output, so that the electric automobile cannot play an advantage.
In addition, in order to meet the driving range requirement of the electric automobile, the battery capacity of the electric automobile is large, in order to improve the charging rate, most vehicles are provided with a direct-current charging module, and for the vehicle type which needs a long driving range but needs to have a high-power external discharging requirement, the vehicle needs to be provided with two interfaces, namely an alternating-current charging port and a direct-current charging port, if the vehicle is additionally provided with the two interfaces, namely the alternating-current charging port and the direct-current charging port, the cost of the whole vehicle is increased, and the appearance of the electric automobile is affected.
Disclosure of Invention
An object of the embodiments of the present application is to provide a charge and discharge control method and system for an electric vehicle, an electronic device, and a computer-readable storage medium, which can continuously output electric energy, meet the requirements of various electric devices, do not need to increase a charge and discharge interface, save cost, and do not affect the appearance of the electric vehicle.
In a first aspect, an embodiment of the present application provides a charge and discharge control method for an electric vehicle, where the method includes:
receiving a charge and discharge signal;
detecting a direct current charging and discharging connector of the electric automobile according to the charging and discharging signals to obtain a resistance value of the direct current charging connector;
selecting and starting a charge-discharge program according to the resistance value;
receiving an end signal;
and ending the charging and discharging program according to the ending signal.
In the above-mentioned realization process, obtain the resistance value through the direct current charge-discharge connector that detects electric automobile to select the charge-discharge procedure according to the resistance value, make electric automobile can continuously export the electric energy, can satisfy multiple consumer's demand, need not to increase the charge-discharge interface, save the cost, do not influence electric automobile's outward appearance.
Further, the step of selecting a charge and discharge program according to the resistance value includes:
judging whether the resistance value meets a preset threshold value or not;
if yes, starting a discharging program;
if not, starting a charging program.
In the implementation process, if the resistance value meets the preset threshold value, the discharging program is started, if the resistance value does not meet the preset threshold value, the charging program is started, the charging and discharging program is flexibly switched according to the resistance value, the charging and discharging interface does not need to be increased, the cost is reduced, and the charging and discharging requirements of the electric automobile can be effectively met.
Further, the step of starting the discharging procedure includes:
controlling a low-voltage relay of the electric automobile to be closed;
controlling a storage battery of the electric automobile to supply power to a low-voltage controller of a discharging device;
and receiving a confirmation signal of the discharging device, and starting a discharging program to enable a power battery pack of the electric automobile to provide high-voltage electric energy.
In the implementation process, the storage battery is further controlled to supply power to the discharging device after the low-voltage relay is controlled to be closed, so that the waste of electric energy is avoided, the discharging time can be effectively saved, and the discharging efficiency is improved.
Further, the step of starting the charging procedure includes:
controlling a low-voltage relay of the electric automobile to be switched off;
and receiving a confirmation signal of the charging device of the electric automobile, and starting a charging program.
In the implementation process, the low-voltage relay is controlled to be switched off and then the charging program is started according to the confirmation signal, so that the charging process is simplified, and the charging efficiency is improved.
In a second aspect, an embodiment of the present application further provides a charge and discharge control system for an electric vehicle, where the system includes:
the receiving module is used for receiving the charge and discharge signals; and also for receiving an end signal;
the detection module is used for detecting a direct-current charging and discharging connector of the electric automobile according to the charging and discharging signals to obtain a resistance value of the direct-current charging connector;
the selection module is used for selecting and starting a charge and discharge program according to the resistance value;
and the ending module is used for ending the charging and discharging program according to the ending signal.
In the implementation process, the resistance value is obtained through the direct-current charging and discharging connector for detecting the electric automobile, and the charging and discharging program is selected according to the resistance value, so that the electric automobile can continuously output electric energy, the requirements of various electric equipment can be met, the charging and discharging interface does not need to be increased, the cost is saved, and the appearance of the electric automobile is not influenced.
Further, the selecting module is further configured to:
judging whether the resistance value meets a preset threshold value or not;
if yes, starting a discharging program;
if not, starting a charging program.
In the implementation process, if the resistance value meets the preset threshold value, the discharging program is started, if the resistance value does not meet the preset threshold value, the charging program is started, the charging and discharging program is flexibly switched according to the resistance value, the charging and discharging interface does not need to be increased, the cost is reduced, and the charging and discharging requirements of the electric automobile can be effectively met.
Further, the selecting module is further configured to:
controlling a low-voltage relay of the electric automobile to be closed;
controlling a storage battery of the electric automobile to supply power to a low-voltage controller of a discharging device;
and receiving a confirmation signal of the discharging device, and starting a discharging program to enable a power battery pack of the electric automobile to provide high-voltage electric energy.
In the implementation process, the storage battery is further controlled to supply power to the discharging device after the low-voltage relay is controlled to be closed, so that the waste of electric energy is avoided, the discharging time can be effectively saved, and the discharging efficiency is improved.
Further, the selecting module is further configured to:
controlling a low-voltage relay of the electric automobile to be switched off;
and receiving a confirmation signal of the charging device of the electric automobile, and starting a charging program.
In the implementation process, the low-voltage relay is controlled to be switched off and then the charging program is started according to the confirmation signal, so that the charging process is simplified, and the charging efficiency is improved.
In a third aspect, an electric vehicle provided in an embodiment of the present application includes the charge and discharge control system of the second aspect.
In a fourth aspect, an embodiment of the present application provides an electronic device, including: memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the steps of the method according to any of the first aspect when executing the computer program.
In a fifth aspect, an embodiment of the present application provides a computer-readable storage medium, having stored thereon instructions, which, when executed on a computer, cause the computer to perform the method according to any one of the first aspect.
In a sixth aspect, an embodiment of the present application provides a computer program product, which when run on a computer, causes the computer to perform the method according to any one of the first aspect.
Additional features and advantages of the disclosure will be set forth in the description which follows, or in part may be learned by the practice of the above-described techniques of the disclosure, or may be learned by practice of the disclosure.
The present invention can be implemented in accordance with the content of the specification, and the following detailed description of the preferred embodiments of the present application is made with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a schematic flow chart of a charge and discharge control method of an electric vehicle according to an embodiment of the present application;
fig. 2 is a schematic structural composition diagram of a charge and discharge control system of an electric vehicle according to an embodiment of the present application;
fig. 3 is a schematic structural composition diagram of a charge and discharge control device of an electric vehicle according to an embodiment of the present application;
fig. 4 is a schematic view illustrating an electrical connection structure of the dc charging/discharging connection port according to the embodiment of the present disclosure;
fig. 5 is a schematic structural component diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
The following detailed description of embodiments of the present application will be described in conjunction with the accompanying drawings and examples. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.
Example one
Fig. 1 is a schematic flow chart of a charge and discharge control method for an electric vehicle according to an embodiment of the present application, and as shown in fig. 1, the method includes:
s1, receiving charge and discharge signals;
s2, detecting the direct current charging and discharging connector of the electric automobile according to the charging and discharging signals to obtain the resistance value of the direct current charging connector;
s3, selecting and starting a charge and discharge program according to the resistance value;
s4, receiving an end signal;
at S5, the charge/discharge routine is terminated based on the termination signal.
In the implementation process, the resistance value is obtained through the direct-current charging and discharging connector for detecting the electric automobile, and the charging and discharging program is selected according to the resistance value, so that the electric automobile can continuously output electric energy, the requirements of various electric equipment can be met, the charging and discharging interface does not need to be increased, the cost is saved, and the appearance of the electric automobile is not influenced.
Optionally, this application embodiment can carry out user and electric automobile's interaction through user and instrument, APP, and the user opens the charge-discharge setting through instrument APP to charge the connector through the direct current and will charge and discharge device and be connected with electric automobile and target in place, at this moment, charge-discharge control system is awaken up.
After the charging and discharging control system is awakened, the whole vehicle self-checking can be carried out, whether the charging and discharging device is connected in place, whether the vehicle self-checking is faultless or not and whether the gear is in the P gear or not are judged, and when the charging and discharging device is connected in place, the vehicle self-checking is faultless or not and the gear is in the P gear, the high voltage on the electric vehicle is controlled.
Further, S3 includes:
judging whether the resistance value meets a preset threshold value or not;
if yes, starting a discharging program;
if not, starting a charging program.
In the implementation process, if the resistance value meets the preset threshold value, the discharging program is started, if the resistance value does not meet the preset threshold value, the charging program is started, the charging and discharging program is flexibly switched according to the resistance value, a charging and discharging interface does not need to be increased, the cost is reduced, and the charging and discharging requirements of the electric automobile can be effectively met.
The charging and discharging device comprises a charging device and a discharging device, if a discharging program is started, the discharging device is started, and if the charging program is started, the charging device is started.
Optionally, the charging and discharging control system detects a resistance value at the dc charging and discharging connection port after waking up, and controls the entire vehicle to enter a discharging process if a preset resistance value of the discharging device is met, or controls the entire vehicle to enter a charging process if the preset resistance value of the discharging device is met or the resistance value defined by GB18487.1 is met.
Further, the step of starting the discharging program comprises:
controlling a low-voltage relay of the electric automobile to be closed;
controlling a storage battery of the electric automobile to supply power to a low-voltage controller of the discharging device;
and receiving a confirmation signal of the discharging device, and starting a discharging program to enable the power battery pack of the electric automobile to provide high-voltage electric energy.
In the implementation process, the storage battery is further controlled to supply power to the discharging device after the low-voltage relay is controlled to be closed, so that the waste of electric energy is avoided, the discharging time can be effectively saved, and the discharging efficiency is improved.
After the charging and discharging control system receives a discharging request sent by the instrument/APP, the low-voltage relay is controlled to be closed, and the 12V low-voltage storage battery of the electric automobile supplies power to the low-voltage controller of the discharging device. And after the charging and discharging control system receives the confirmation signal of the discharging device and confirms that the discharging device is not in error, the whole vehicle is controlled to enter a discharging process, and the power battery pack provides high-voltage electric energy.
The charging and discharging control system transmits a text prompt in the discharging process to a user through the instrument/APP in the discharging process, and after a finishing signal sent by the instrument/APP is received, the electric automobile is controlled to exit the discharging process after P gear is cut out from the gear.
Further, the step of starting the charging procedure includes:
controlling a low-voltage relay of the electric automobile to be disconnected;
and receiving a confirmation signal of a charging device of the electric automobile, and starting a charging program.
In the implementation process, the low-voltage relay is controlled to be switched off and then the charging program is started according to the confirmation signal, so that the charging process is simplified, and the charging efficiency is improved.
And after the charging and discharging control system receives a charging request sent by the instrument/APP, the low-voltage relay is controlled to be disconnected, and after the charging and discharging control system receives a confirmation signal of the charging device to confirm that the charging and discharging control system is error-free, the whole vehicle is controlled to enter a charging process.
The charging and discharging control system transmits a character prompt in the charging process to a user through the instrument/APP in the charging process, and after a finishing signal sent by the instrument/APP is received, after a P gear is cut out from a gear, the electric automobile is controlled to exit from the charging process.
Example two
In order to implement the method corresponding to the above embodiment to achieve the corresponding functions and technical effects, the following provides a charging and discharging control system for an electric vehicle, as shown in fig. 2, the system including:
the receiving module 1 is used for receiving charge and discharge signals; and is also used for receiving an end signal;
the detection module 2 is used for detecting a direct-current charging and discharging connector of the electric automobile according to the charging and discharging signals to obtain a resistance value of the direct-current charging connector;
the selection module 3 is used for selecting and starting a charge and discharge program according to the resistance value;
and the ending module 4 is used for ending the charging and discharging program according to the ending signal.
In the implementation process, the resistance value is obtained through the direct-current charging and discharging connector for detecting the electric automobile, and the charging and discharging program is selected according to the resistance value, so that the electric automobile can continuously output electric energy, the requirements of various electric equipment can be met, the charging and discharging interface does not need to be increased, the cost is saved, and the appearance of the electric automobile is not influenced.
Further, the selecting module 3 is further configured to:
judging whether the resistance value meets a preset threshold value or not;
if yes, starting a discharging program;
if not, starting a charging program.
In the implementation process, if the resistance value meets the preset threshold value, the discharging program is started, if the resistance value does not meet the preset threshold value, the charging program is started, the charging and discharging program is flexibly switched according to the resistance value, a charging and discharging interface does not need to be increased, the cost is reduced, and the charging and discharging requirements of the electric automobile can be effectively met.
Further, the selecting module 3 is further configured to:
controlling a low-voltage relay of the electric automobile to be closed;
controlling a storage battery of the electric automobile to supply power to a low-voltage controller of the discharging device;
and receiving a confirmation signal of the discharging device, and starting a discharging program so as to enable the power battery pack of the electric automobile to provide high-voltage electric energy.
In the implementation process, the storage battery is further controlled to supply power to the discharging device after the low-voltage relay is controlled to be closed, so that the waste of electric energy is avoided, the discharging time can be effectively saved, and the discharging efficiency is improved.
Further, the selecting module 3 is further configured to:
controlling a low-voltage relay of the electric automobile to be disconnected;
and receiving a confirmation signal of a charging device of the electric automobile, and starting a charging program.
In the implementation process, the low-voltage relay is controlled to be switched off and then the charging program is started according to the confirmation signal, so that the charging process is simplified, and the charging efficiency is improved.
The charge and discharge control system of the electric vehicle may implement the method of the first embodiment. The alternatives in the first embodiment are also applicable to the present embodiment, and are not described in detail here.
The rest of the embodiments of the present application may refer to the contents of the first embodiment, and in this embodiment, details are not repeated.
EXAMPLE III
The embodiment of the application provides a charge and discharge control device of an electric automobile, as shown in fig. 3, comprising a charge and discharge connection device 1, a charge and discharge device 2, a direct current charge and discharge connection port 3, a charge and discharge control system 4, a power battery pack 5 and an instrument/APP 6.
The charge and discharge control system 4 communicates with the meter/APP 6.
The meter/APP 6 sends a charge and discharge signal upon receiving a user setting trigger signal, and communicates with the charge and discharge control system 4.
The Charge and discharge control system 4 is configured to detect whether the dc Charge and discharge connection interface 3 is connected to the Charge and discharge device 2, and determine whether Charge and discharge are required after receiving a Charge and discharge signal sent by the meter/APP 6, and optionally, the mobile phone APP may further freely set a Charge/remaining Charge (SOC) for stopping discharge.
The electrical connection of the dc charging/discharging connection port 3 is shown in fig. 4.
Direct current charge and discharge connector 3 passes through the high voltage direct current charging wire according to the definition of national standard 18487.1 and is connected with power battery package 5, is equipped with the relay on the charging wire between the two.
After the user authorizes to start discharging, the charging and discharging device 2 is in message communication with a charging and discharging control system in real time through the direct current charging and discharging connector and is used for transmitting related signals such as voltage, current and discharging amount in the discharging process, and the charging and discharging device 2 is connected with the direct current charging and discharging connector 3 through a high-voltage direct current charging wire and a low-voltage connecting wire according to the definition of national standard 18487.1; the connecting wires are provided with electric groups R2, R4 and R3.
The resistance value of the CC2 can be developed according to the resistance value defined in GB18487.1, or different from the resistance value defined in GB18487.1, the charging and discharging device 2 comprises a charging device and a discharging device, and the charging and discharging control system 4 judges whether the charging device or the discharging device which is required to be connected with the DC charging and discharging connector 3 is detected by detecting the resistance value on the CC 2.
The charging and discharging connection device 1 is connected with the charging and discharging device 2 through a high-voltage line and provides an interface for connecting with electric equipment.
The power battery pack 5 is connected with the direct current charging and discharging connector 3 through a high-voltage direct current charging wire and used for providing high-voltage direct current.
Example four
The embodiment of the application provides an electric automobile which comprises the charge and discharge control system of the second embodiment.
EXAMPLE five
The embodiment of the application provides an electronic device, which comprises a memory and a processor, wherein the memory is used for storing a computer program, and the processor runs the computer program to enable the electronic device to execute the charging and discharging control method of the electric automobile in the first embodiment.
Alternatively, the electronic device may be a server.
Referring to fig. 5, fig. 5 is a schematic structural component diagram of an electronic device according to an embodiment of the present disclosure. The electronic device may include a processor 51, a communication interface 52, a memory 53 and at least one communication bus 54. Wherein the communication bus 54 is used for realizing direct connection communication of these components. The communication interface 52 of the device in the embodiment of the present application is used for performing signaling or data communication with other node devices. The processor 51 may be an integrated circuit chip having signal processing capabilities.
The Processor 51 may be a general-purpose Processor including a Central Processing Unit (CPU), a Network Processor (NP), and the like; but may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components. The various methods, steps, and logic blocks disclosed in the embodiments of the present application may be implemented or performed. A general purpose processor may be a microprocessor or the processor 51 may be any conventional processor or the like.
The Memory 53 may be, but is not limited to, a Random Access Memory (RAM), a Read Only Memory (ROM), a Programmable Read-Only Memory (PROM), an Erasable Read-Only Memory (EPROM), an electrically Erasable Read-Only Memory (EEPROM), and the like. The memory 53 has stored therein computer readable instructions which, when executed by the processor 51, enable the apparatus to perform the various steps involved in the method embodiment of fig. 1 described above.
Optionally, the electronic device may further include a memory controller, an input output unit. The memory 53, the memory controller, the processor 51, the peripheral interface, and the input/output unit are electrically connected to each other directly or indirectly to realize data transmission or interaction. For example, these components may be electrically connected to each other via one or more communication buses 54. The processor 51 is adapted to execute executable modules stored in the memory 53, such as software functional modules or computer programs comprised by the device.
The input and output unit is used for providing a task for a user to create and start an optional time period or preset execution time for the task creation so as to realize the interaction between the user and the server. The input/output unit may be, but is not limited to, a mouse, a keyboard, and the like.
It will be appreciated that the configuration shown in fig. 5 is merely illustrative and that the electronic device may include more or fewer components than shown in fig. 5 or have a different configuration than shown in fig. 5. The components shown in fig. 5 may be implemented in hardware, software, or a combination thereof.
In addition, an embodiment of the present application further provides a computer-readable storage medium, in which a computer program is stored, and the computer program, when executed by a processor, implements the charging and discharging control method for an electric vehicle according to the first embodiment.
Embodiments of the present application further provide a computer program product, which when running on a computer, causes the computer to execute the method described in the method embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based devices that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules 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 or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including 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 according to the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. A charge and discharge control method for an electric vehicle, the method comprising:
receiving a charge and discharge signal;
detecting a direct current charging and discharging connector of the electric automobile according to the charging and discharging signals to obtain a resistance value of the direct current charging connector;
selecting and starting a charge-discharge program according to the resistance value;
receiving an end signal;
and ending the charging and discharging program according to the ending signal.
2. The method according to claim 1, wherein the step of selecting the charging/discharging program according to the resistance value comprises:
judging whether the resistance value meets a preset threshold value or not;
if yes, starting a discharging program;
if not, starting a charging program.
3. The charge/discharge control method for an electric vehicle according to claim 2, wherein the step of starting the discharge program includes:
controlling a low-voltage relay of the electric automobile to be closed;
controlling a storage battery of the electric automobile to supply power to a low-voltage controller of a discharging device;
and receiving a confirmation signal of the discharging device, and starting a discharging program to enable a power battery pack of the electric automobile to provide high-voltage electric energy.
4. The charge/discharge control method for an electric vehicle according to claim 2, wherein the step of starting the charging routine includes:
controlling a low-voltage relay of the electric automobile to be switched off;
and receiving a confirmation signal of the charging device of the electric automobile, and starting a charging program.
5. A charge and discharge control system for an electric vehicle, the system comprising:
the receiving module is used for receiving the charge and discharge signals; and also for receiving an end signal;
the detection module is used for detecting a direct-current charging and discharging connector of the electric automobile according to the charging and discharging signals to obtain a resistance value of the direct-current charging connector;
the selection module is used for selecting and starting a charge and discharge program according to the resistance value;
and the ending module is used for ending the charging and discharging program according to the ending signal.
6. The charging and discharging control system of the electric vehicle according to claim 5, wherein the selecting module is further configured to:
judging whether the resistance value meets a preset threshold value or not;
if yes, starting a discharging program;
if not, starting a charging program.
7. The charging and discharging control system of the electric vehicle according to claim 6, wherein the selecting module is further configured to:
controlling a low-voltage relay of the electric automobile to be closed;
controlling a storage battery of the electric automobile to supply power to a low-voltage controller of a discharging device;
and receiving a confirmation signal of the discharging device, and starting a discharging program to enable a power battery pack of the electric automobile to provide high-voltage electric energy.
8. The charging and discharging control system of the electric vehicle according to claim 6, wherein the selecting module is further configured to:
controlling a low-voltage relay of the electric automobile to be switched off;
and receiving a confirmation signal of the charging device of the electric automobile, and starting a charging program.
9. An electric vehicle characterized by comprising the charge and discharge control system according to claims 5 to 8.
10. An electronic device, comprising a memory for storing a computer program and a processor for executing the computer program to cause the electronic device to execute the charge and discharge control method of the electric vehicle according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210921390.0A CN115071423A (en) | 2022-08-02 | 2022-08-02 | Charging and discharging control method and system for electric automobile and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210921390.0A CN115071423A (en) | 2022-08-02 | 2022-08-02 | Charging and discharging control method and system for electric automobile and electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115071423A true CN115071423A (en) | 2022-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210921390.0A Pending CN115071423A (en) | 2022-08-02 | 2022-08-02 | Charging and discharging control method and system for electric automobile and electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115071423A (en) |
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2022
- 2022-08-02 CN CN202210921390.0A patent/CN115071423A/en active Pending
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