CN107681705B - Charging control method and device for electric vehicle - Google Patents
Charging control method and device for electric vehicle Download PDFInfo
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- CN107681705B CN107681705B CN201610620013.8A CN201610620013A CN107681705B CN 107681705 B CN107681705 B CN 107681705B CN 201610620013 A CN201610620013 A CN 201610620013A CN 107681705 B CN107681705 B CN 107681705B
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Abstract
The invention discloses a charging control method for an electric vehicle, which is applied to a transportation device loaded with a power supply, wherein the transportation device is provided with a charging interface, and when the electric vehicle is connected to the charging interface, a charging link is arranged between the power supply and the electric vehicle; the transportation device is also provided with a charging control device, and the charging control device is used for controlling the opening and closing of the charging link; the method comprises the following steps: obtaining a first instruction for instructing to enable the charging control apparatus; in response to the first instruction, the charging control device enables and obtains the electric quantity information of the power supply of the transportation device and the electric quantity information of the electric vehicle; and judging whether the charging condition is met or not according to a preset charging strategy based on the acquired electric quantity information of the power supply of the transportation device and the electric quantity information of the electric vehicle, and controlling a charging link between the power supply and the electric vehicle to be closed when the charging condition is determined to be met, so that the power supply charges the electric vehicle. The invention also discloses a charging control device for the electric vehicle.
Description
Technical Field
The invention relates to the technical field of charging of electric vehicles, in particular to a method and a device for controlling charging of an electric vehicle.
Background
As electric vehicles become more popular, the types of electric vehicles become more and more diverse, and common electric vehicles are as follows: electric bicycles, electric scooters, electric balance cars, and the like. At present, the charging of such electric vehicles is mostly completed by accessing indoor (such as home and office) power supplies, and the charging scene is relatively single. As these electric vehicles are increasingly used to solve the problem of short-distance traffic, their integration with automobiles for solving long-distance traffic becomes more and more compact, and thus are generally selected by automobile users as one of their on-board devices. If the electric vehicle mounted on the automobile (or other transportation device mounted with a power supply) can be charged, the charging scene of the electric vehicle is enriched, and great convenience is provided.
Disclosure of Invention
In order to solve the existing technical problems, embodiments of the present invention are expected to provide a method and an apparatus for controlling charging of an electric vehicle.
The embodiment of the invention is realized as follows:
the embodiment of the invention provides a charging control method for an electric vehicle, which is applied to a transportation device loaded with a power supply, wherein the transportation device is provided with a charging interface, and when the electric vehicle is connected to the charging interface, a charging link is arranged between the power supply and the electric vehicle; the transportation device is also provided with a charging control device which is used for controlling the opening and closing of the charging link; the method comprises the following steps:
obtaining a first instruction for instructing to enable the charging control apparatus;
in response to the first instruction, the charge control device is enabled and obtains the power information of the power supply of the transportation device and the power information of the electric vehicle;
based on the obtained electric quantity information of the power supply of the transportation device and the electric quantity information of the electric vehicle, judging whether a charging condition is met according to a preset charging strategy, and controlling a charging link between the power supply and the electric vehicle to be closed when the charging condition is determined to be met, wherein the power supply charges the electric vehicle.
In an implementation manner, the determining whether the charging condition is satisfied according to the preset charging policy includes:
judging whether the residual electric quantity of the power supply of the transportation device is greater than or equal to a preset first electric quantity threshold value or not, and judging that a charging condition is met if the residual electric quantity of the power supply of the transportation device is greater than or equal to the preset first electric quantity threshold value; alternatively, the first and second electrodes may be,
and judging whether the difference value between the residual electric quantity of the power supply of the transportation device and the to-be-charged quantity of the electric vehicle is larger than a preset second electric quantity threshold value or not, and judging that the charging condition is met if the difference value is larger than the preset second electric quantity threshold value.
In an embodiment, after the charging control device is enabled, the method further includes:
obtaining type information of the transportation device, wherein the type information at least comprises a first type and a second type, the first type represents that the transportation device supports the power supply for providing the travel power, and the second type represents that the transportation device does not support the power supply for providing the travel power.
In an implementation manner, the determining whether the charging condition is satisfied according to the preset charging policy includes:
based on the type information obtained, for a first type of transportation means,
when the residual electric quantity of the power supply of the transportation device is larger than or equal to a preset third electric quantity threshold value, judging that a charging condition is met; or the like, or, alternatively,
and when the residual electric quantity of the power supply of the transportation device is smaller than the third electric quantity threshold value and is larger than or equal to a preset fourth electric quantity threshold value, if the running mode of the transportation device is a braking energy recovery mode, judging that a charging condition is met.
In an implementation manner, the determining whether the charging condition is satisfied according to the preset charging policy includes:
based on the type information obtained, for a second type of transportation means,
when the residual electric quantity of the power supply of the transportation device is larger than or equal to a preset fifth electric quantity threshold value, judging that a charging condition is met; or the like, or, alternatively,
and when the residual electric quantity of the power supply of the transportation device is smaller than the fifth electric quantity threshold value and is larger than or equal to a preset sixth electric quantity threshold value, if the rotating speed of the engine of the transportation device is larger than or equal to a preset first rotating speed threshold value, judging that the charging condition is met.
The embodiment of the invention also provides a charging control device for the electric vehicle, which is applied to a transportation device loaded with a power supply, wherein the transportation device is provided with a charging interface, and when the electric vehicle is connected to the charging interface, a charging link is arranged between the power supply and the electric vehicle; the charge control device includes:
an instruction obtaining unit configured to obtain a first instruction for instructing to enable the charging control apparatus;
an information obtaining unit configured to enable the charging control apparatus in response to the first instruction, and obtain information on an amount of power of a power supply of the transportation apparatus and information on an amount of power of the electric vehicle;
and the control unit is used for judging whether a charging condition is met or not according to a preset charging strategy based on the acquired electric quantity information of the power supply of the transportation device and the electric quantity information of the electric vehicle, and controlling a charging link between the power supply and the electric vehicle to be closed when the charging condition is determined to be met, wherein the power supply charges the electric vehicle.
In an embodiment, the control unit is further configured to:
judging whether the residual electric quantity of the power supply of the transportation device is greater than or equal to a preset first electric quantity threshold value or not, and judging that a charging condition is met if the residual electric quantity of the power supply of the transportation device is greater than or equal to the preset first electric quantity threshold value; alternatively, the first and second electrodes may be,
and judging whether the difference value between the residual electric quantity of the power supply of the transportation device and the to-be-charged quantity of the electric vehicle is larger than a preset second electric quantity threshold value or not, and judging that the charging condition is met if the difference value is larger than the preset second electric quantity threshold value.
In an embodiment, the information obtaining unit is further configured to:
obtaining type information of the transportation device after the charging control device is enabled, wherein the type information at least comprises a first type and a second type, the first type represents that the transportation device supports the power supply for providing the traveling power, and the second type represents that the transportation device does not support the power supply for providing the traveling power.
In an embodiment, the control unit is further configured to:
based on the type information obtained, for a first type of transportation means,
when the residual electric quantity of the power supply of the transportation device is larger than or equal to a preset third electric quantity threshold value, judging that a charging condition is met; or the like, or, alternatively,
and when the residual electric quantity of the power supply of the transportation device is smaller than the third electric quantity threshold value and is larger than or equal to a preset fourth electric quantity threshold value, if the running mode of the transportation device is a braking energy recovery mode, judging that a charging condition is met.
In an embodiment, the control unit is further configured to:
based on the type information obtained, for a second type of transportation means,
when the residual electric quantity of the power supply of the transportation device is larger than or equal to a preset fifth electric quantity threshold value, judging that a charging condition is met; or the like, or, alternatively,
and when the residual electric quantity of the power supply of the transportation device is smaller than the fifth electric quantity threshold value and is larger than or equal to a preset sixth electric quantity threshold value, if the rotating speed of the engine of the transportation device is larger than or equal to a preset first rotating speed threshold value, judging that the charging condition is met.
According to the charging control method and device for the electric vehicle, provided by the embodiment of the invention, the power supply (such as a storage battery) of the transportation device is used as the charging power supply of the electric vehicle carried by the transportation device, so that the electric vehicle can be charged on the transportation device, the charging scenes of the electric vehicle are enriched, and great convenience is provided for users of the electric vehicle. In addition, the embodiment of the invention charges the electric vehicle connected to the transportation device only when the charging condition is met by presetting the charging strategy, thereby playing a role in protecting the power supply of the transportation device and the power supply of the electric vehicle.
Drawings
Fig. 1 is a flowchart of a charging control method for an electric vehicle according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a charging control apparatus for an electric vehicle according to a second embodiment of the present invention;
fig. 3 is a schematic diagram of a connection relationship between a charge control device, a storage battery and an electric balance car according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention is further elaborated below with reference to the drawings and the specific embodiments.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. In order to make the technical solutions of the present invention better understood, 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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
It should also be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In addition, the term "and/or" appearing herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
Embodiments of the present invention are directed to a method and an apparatus for controlling charging of an electric vehicle, in which a power supply (e.g., a storage battery) of a transportation device is used as a charging power supply of an electric vehicle mounted on the transportation device, so that the electric vehicle can be charged on the transportation device, thereby enriching charging scenarios of the electric vehicle, providing great convenience for a user of the electric vehicle, and even if the user does not have sufficient electric quantity for the electric vehicle through an indoor power supply, the electric vehicle can be charged in a process of mounting the electric vehicle by using the transportation device; and through the setting of the charging strategy, the power supply of the transportation device charges the electric vehicle, and the use requirement of the transportation vehicle on the power supply is not influenced.
Example one
The method for controlling charging of the electric vehicle is applied to a transportation device with a power supply, the transportation device is provided with a charging interface, and when the electric vehicle is connected to the charging interface, a charging link is arranged between the power supply and the electric vehicle; the transport device also has a charge control device for controlling the opening and closing of the charging link. As shown in fig. 1, the method mainly comprises the following steps:
in step 101, a first instruction for instructing to enable a charging control apparatus is obtained.
The charging control device is used for being respectively connected with a power supply of a transportation device and an electric vehicle; the charging control device may be connected to the electric vehicle through a charging interface of the transportation device, and of course, the charging control device may also be connected to the electric vehicle through an interface other than the charging interface. In summary, any feasible connection manner that enables the charging control device to control the opening and closing of the charging link between the power source and the electric vehicle shall fall within the scope of the embodiments of the present invention.
In addition, the charge control device according to the embodiment of the present invention needs to operate based on energy supplied from a power supply of the transportation device, and therefore, the charge control device exists as a device on the transportation device to which power is supplied from the power supply. Then, step 101 is executed on the premise that the power supply on the transportation device supplies power to the charging control device, so the first instruction may be a power-on instruction for the power supply to supply power to the charging control device, that is, the first instruction is considered to be obtained when the charging control device is powered on; of course, the first command may be a command other than the power-on command, for example, the first command is obtained after the charging control device is powered on.
In response to the first instruction, the charging control device is enabled, and the electric quantity information of the power supply of the transportation device and the electric quantity information of the electric vehicle are obtained, step 102.
After the charging control device is enabled, it is necessary to obtain information on the electric quantity of the power source of the transportation device and information on the electric quantity of the electric vehicle, and the information is used as a basis for determining whether the electric vehicle is charged. The charging control device can be connected with a control bus of the transport device to obtain the electric quantity information of the power supply of the transport device; the charging control device also needs to obtain the electric quantity information of the electric vehicle connected with the charging control device, and the charging control device can be connected with the electric vehicle through a charging interface. The power information of the power source may include a remaining power of the power, etc., and the power information of the electric vehicle may include a remaining power of the electric vehicle, a to-be-charged amount (if the remaining power of the electric vehicle is 40% of the total power, the to-be-charged amount is 60% of the total power), etc.
And 103, judging whether the charging condition is met or not according to a preset charging strategy based on the acquired electric quantity information of the power supply of the transportation device and the electric quantity information of the electric vehicle, and controlling a charging link between the power supply and the electric vehicle to be closed when the charging condition is determined to be met, wherein the power supply charges the electric vehicle.
The transport device is pre-loaded with a charging strategy that specifies under which circumstances its power supply is allowed to charge the electric vehicle and under which circumstances its power supply is prohibited from charging the electric vehicle. Correspondingly, the charging control device needs to judge whether a condition for allowing charging is met or not according to the preset charging strategy after acquiring the electric quantity information of the power supply and the electric quantity information of the electric vehicle, allow the power supply of the transportation device to charge the electric vehicle only when the condition is met, and forbid the power supply of the transportation device from charging the electric vehicle when the condition is not met; the charge control device controls a charge link between the power supply of the transportation device and the electric vehicle to be closed in a case where the charging of the electric vehicle is permitted, and controls a charge link between the power supply of the transportation device and the electric vehicle to be opened in a case where the charging of the electric vehicle is prohibited.
In an implementation manner, the determining whether the charging condition is met according to a preset charging policy includes:
and judging whether the residual electric quantity of the power supply of the transportation device is greater than or equal to a preset first electric quantity threshold value or not, and judging that the charging condition is met when the residual electric quantity of the power supply of the transportation device is greater than or equal to the preset first electric quantity threshold value.
The electric quantity threshold in the embodiment of the present invention may be represented by an electric quantity value, or may be represented by a ratio of the electric quantity to the total electric quantity of the power supply, such as: the first charge threshold is set at 1000Wh (watt-hours), or alternatively, the first charge threshold is set at 30% of the total charge of the power supply.
Assuming that the set first electric quantity threshold is 1000Wh, judging that a condition for charging the electric vehicle is satisfied when the remaining electric quantity of the power supply is greater than or equal to 1000Wh according to a preset charging strategy;
and if the set first electric quantity threshold value is 30% of the total electric quantity of the power supply of the transportation device, judging that the condition for charging the electric vehicle is met when the residual electric quantity of the power supply is more than or equal to 30% of the total electric quantity of the power supply according to a preset charging strategy.
That is, in the present embodiment, as long as the remaining capacity of the power supply exceeds the preset first capacity threshold, it indicates that the power supply is capable of charging the electric vehicle, and as long as the capacity of the connected electric vehicle is not full, the connected electric vehicle is capable of being charged by the power supply. When the electric vehicle is fully charged (for example, when the electric vehicle is 98% -100%), the charging control device controls the power supply of the transportation device to disconnect the charging link with the electric vehicle, so that the power supply stops charging the electric vehicle.
It should be noted that, the size of the first electric quantity threshold value may be set according to actual needs, but it is required to ensure that after the electric vehicle is charged, the remaining electric quantity of the power supply can still normally provide electric energy for the transportation device, and is not affected. For example: assuming that the set first electric quantity threshold is 1000Wh, it is required to ensure that the electric quantity value of 1000Wh can still normally provide electric energy for the transportation device after the electric vehicle with empty electric quantity is fully charged. For another example: assuming that the set first electric quantity threshold is 30% of the total electric quantity of the power supply of the transportation device, it is required to ensure that after 30% of the electric quantity is fully charged to the electric vehicle with empty electric quantity, the remaining electric quantity can still normally provide electric energy for the transportation device. Therefore, the first power threshold needs to be set appropriately in combination with the total power of the power source of the transportation device and the total power of the electric vehicle.
In another implementation manner, the determining whether the charging condition is satisfied according to a preset charging policy includes:
and judging whether the difference value between the residual electric quantity of the power supply of the transportation device and the to-be-charged quantity of the electric vehicle is larger than a preset second electric quantity threshold value or not, and judging that the charging condition is met if the difference value is larger than the preset second electric quantity threshold value.
The second threshold value is set to ensure that the remaining capacity of the power supply of the transportation device is higher than the threshold value after the power supply of the transportation device is charged for the electric vehicle.
For example: assuming that the set second power threshold is 1000Wh, determining that the condition for charging the electric vehicle is satisfied when a difference between the remaining power of the power supply and the amount to be charged of the electric vehicle is greater than 1000Wh (e.g., the remaining power of the power supply is 1500Wh, the amount to be charged of the electric vehicle is 300Wh, the difference is 1200Wh, and the difference is greater than 1000Wh) according to a preset charging strategy;
assuming that the set second electric quantity threshold is 30% of the total electric quantity of the power supply of the transportation device, according to a preset charging strategy, when the difference value between the residual electric quantity of the power supply and the quantity to be charged of the electric vehicle is greater than 30% of the total electric quantity of the power supply, the condition for charging the electric vehicle is judged to be satisfied.
That is, in the present embodiment, if the remaining power of the power supply of the transportation device minus the amount to be charged of the electric vehicle is greater than the preset second power threshold, it indicates that the power supply can charge the electric vehicle, and if the power of the connected electric vehicle is not full, the connected electric vehicle can be charged by the power supply. When the electric vehicle is fully charged (for example, when the electric vehicle is 98% -100%), the charging control device controls the power supply of the transportation device to disconnect the charging link with the electric vehicle, so that the power supply stops charging the electric vehicle.
It should be noted that, the size of the second electric quantity threshold value may be set according to actual needs, but it is required to ensure that after the electric vehicle is charged, the remaining electric quantity of the power supply can still normally provide electric energy for the transportation device, and is not affected. For example: assuming that the set second power threshold is 1000Wh, 1000Wh is the minimum remaining power that needs to be guaranteed after the power supply is fully charged for the electric vehicle, that is, the remaining power after the power supply is fully charged for the electric vehicle is greater than 1000 Wh.
In addition, after the charging control device is enabled, the method may further include:
obtaining type information of the transportation device, wherein the type information at least comprises a first type and a second type, the first type represents that the transportation device supports the power supply for providing the travel power, and the second type represents that the transportation device does not support the power supply for providing the travel power. Taking a transportation device as an example, common automobiles can be classified into pure electric automobiles, hybrid electric automobiles and non-electric automobiles (i.e. traditional fuel automobiles), and then, for the pure electric automobiles and the hybrid electric automobiles, the power supply is used for providing traveling power, so that the pure electric automobiles and the hybrid electric automobiles are classified into the first type; for non-electric vehicles, they do not support the use of an electric power source to provide the traveling power, so they are classified as the second type.
Correspondingly, in another possible implementation manner, the determining whether the charging condition is met according to a preset charging policy includes:
based on the type information obtained, for a first type of transportation means,
when the residual electric quantity of the power supply of the transportation device is larger than or equal to a preset third electric quantity threshold value, judging that a charging condition is met; or the like, or, alternatively,
and when the residual electric quantity of the power supply of the transportation device is smaller than the third electric quantity threshold value and is larger than or equal to a preset fourth electric quantity threshold value, if the running mode of the transportation device is a braking energy recovery mode, judging that a charging condition is met.
That is, when the transportation means is a transportation means for supplying a traveling power to a supporting power source,
as an implementation manner, if the remaining capacity of the power supply of the transportation device is greater than or equal to a preset third capacity threshold, it is determined that the charging condition is met;
or, as another possible implementation manner, if the remaining power of the power supply of the transportation device is less than a preset third power threshold and greater than or equal to a preset fourth power threshold, and the driving mode of the transportation device is the braking energy recovery mode, it is also determined that the charging condition is satisfied.
For example, for a pure electric vehicle and a hybrid electric vehicle, if the remaining electric quantity of a power supply of the pure electric vehicle and the hybrid electric vehicle is greater than or equal to the third electric quantity threshold value, it is determined that a charging condition is met, the charging control device controls a charging link between the power supply and the electric vehicle to be closed, and the power supply charges the electric vehicle;
or, even if the remaining capacity of the power supply of the transportation device is less than the preset third capacity threshold, if the remaining capacity is greater than or equal to the preset fourth capacity threshold and the transportation device is in the braking energy recovery mode, it is determined that the charging condition is met, and the charging control device controls the charging link between the power supply and the electric vehicle to be closed, so that the power supply charges the electric vehicle. Because the recovered electric energy can be stored in the power supply of the transportation device in the braking energy recovery mode, if the transportation device is in the braking energy recovery mode and the electric energy recovered in the braking energy recovery mode can charge the power supply, the charging condition can be determined to be met as long as the residual electric energy of the power supply is greater than the fourth electric energy threshold under the condition that the residual electric energy of the power supply of the transportation device is less than the third electric energy threshold.
It should be noted that, the third electric quantity threshold and the fourth electric quantity threshold may be set according to actual needs, but no matter how the setting is performed, it is required to ensure that the remaining electric quantity of the power supply can still normally provide electric energy for the transportation device after the electric vehicle is charged, and the remaining electric quantity of the power supply is not affected.
In yet another implementation, the determining whether the charging condition is satisfied according to a preset charging policy includes:
based on the type information obtained, for a second type of transportation means,
when the residual electric quantity of the power supply of the transportation device is larger than or equal to a preset fifth electric quantity threshold value, judging that a charging condition is met; or the like, or, alternatively,
and when the residual electric quantity of the power supply of the transportation device is smaller than the fifth electric quantity threshold value and is larger than or equal to a preset sixth electric quantity threshold value, if the rotating speed of the engine of the transportation device is larger than or equal to a preset first rotating speed threshold value, judging that the charging condition is met.
That is, when the transportation device is a transportation device that does not support the traveling power supplied from the power source,
as an implementation manner, if the remaining capacity of the power supply of the transportation device is greater than or equal to a preset fifth capacity threshold, it is determined that the charging condition is met;
alternatively, as another possible implementation, if the remaining capacity of the power supply of the transportation device is less than the fifth capacity threshold and equal to or greater than the sixth capacity threshold, and the engine speed of the transportation device is equal to or greater than the first speed threshold, it is also determined that the charging condition is satisfied.
For example, for a conventional fuel oil vehicle, if the remaining capacity of the power supply of the conventional fuel oil vehicle is greater than or equal to the fifth capacity threshold, it is determined that a charging condition is met, the charging control device controls a charging link between the power supply and the electric vehicle to be closed, and the power supply charges the electric vehicle;
or, even if the remaining capacity of the power supply of the transportation device is smaller than the preset fifth capacity threshold, if the remaining capacity is larger than or equal to the preset sixth capacity threshold and the engine speed of the automobile reaches the first speed threshold, the charging condition is judged to be met, the charging control device controls the charging link between the power supply and the electric vehicle to be closed, and the power supply charges the electric vehicle. Because the engine load is increased when the automobile is in idle speed, the fuel consumption value of the engine is rapidly increased; and when the engine speed is low, the electric quantity generated by the engine cannot charge the power supply of the automobile and the electric vehicle at the same time, so that the arrangement is such that the electric vehicle is not charged in this case, and when the engine speed is so high that the electric quantity generated by the engine can satisfy the requirements for charging the power supply of the automobile and the electric vehicle, the charging condition can be considered to be satisfied. Only, the fifth electric quantity threshold and the sixth electric quantity threshold need to be set according to actual conditions so as to meet the requirements.
Example two
In response to the method for controlling charging of an electric vehicle according to the first embodiment of the present invention, an embodiment of the present invention further provides a device for controlling charging of an electric vehicle, as shown in fig. 2, the device is applied to a transportation device loaded with a power supply, the transportation device has a charging interface, and when the electric vehicle is connected to the charging interface, a charging link is provided between the power supply and the electric vehicle; the charge control device includes:
an instruction obtaining unit 10 configured to obtain a first instruction for instructing to enable the charging control apparatus;
an information obtaining unit 20 configured to enable the charging control apparatus in response to the first instruction, and obtain information on an amount of power of the power supply of the transportation apparatus and information on an amount of power of the electric vehicle; the information obtaining unit 20 may obtain the power amount information of the power source of the transportation device from the control bus of the transportation device, and read the power amount information of the electric vehicle from the electric vehicle connected thereto; the power information of the power source may include a remaining power of the power, and the like, and the power information of the electric vehicle may include a remaining power of the electric vehicle, a to-be-charged amount (if the remaining power of the electric vehicle is 40% of the total power, the to-be-charged amount is 60% of the total power), and the like;
the control unit 30 is configured to determine whether a charging condition is met according to a preset charging policy based on the obtained electric quantity information of the power supply of the transportation device and the electric quantity information of the electric vehicle, and control a charging link between the power supply and the electric vehicle to be closed when it is determined that the charging condition is met, where the power supply charges the electric vehicle.
In an embodiment, the control unit 30 is further configured to:
judging whether the residual electric quantity of the power supply of the transportation device is greater than or equal to a preset first electric quantity threshold value or not, and judging that a charging condition is met if the residual electric quantity of the power supply of the transportation device is greater than or equal to the preset first electric quantity threshold value; alternatively, the first and second electrodes may be,
and judging whether the difference value between the residual electric quantity of the power supply of the transportation device and the to-be-charged quantity of the electric vehicle is larger than a preset second electric quantity threshold value or not, and judging that the charging condition is met if the difference value is larger than the preset second electric quantity threshold value.
That is, in the present embodiment, as long as the remaining capacity of the power supply exceeds the preset first capacity threshold, it indicates that the power supply can charge the electric vehicle, and as long as the capacity of the connected electric vehicle is not full, the power supply can charge the connected electric vehicle; or, if the power remaining capacity of the transportation device minus the amount of charge to be charged of the electric vehicle is greater than a preset second power threshold, it indicates that the power can be charged for the electric vehicle, and if the power of the accessed electric vehicle is not full, the power can be used for charging the accessed electric vehicle. When the electric vehicle is fully charged (for example, when the electric vehicle is 98% -100%), the charging control device controls the power supply of the transportation device to disconnect the charging link with the electric vehicle, so that the power supply stops charging the electric vehicle.
In an embodiment, the information obtaining unit 20 is further configured to:
obtaining type information of the transportation device after the charging control device is enabled, wherein the type information at least comprises a first type and a second type, the first type represents that the transportation device supports the power supply for providing the traveling power, and the second type represents that the transportation device does not support the power supply for providing the traveling power. Taking a transportation device as an example, common automobiles can be classified into pure electric automobiles, hybrid electric automobiles and non-electric automobiles (i.e. traditional fuel automobiles), and then, for the pure electric automobiles and the hybrid electric automobiles, the power supply is used for providing traveling power, so that the pure electric automobiles and the hybrid electric automobiles are classified into the first type; for non-electric vehicles, they do not support the use of an electric power source to provide the traveling power, so they are classified as the second type.
In an embodiment, the control unit 30 is further configured to:
based on the type information obtained, for a first type of transportation means,
when the residual electric quantity of the power supply of the transportation device is larger than or equal to a preset third electric quantity threshold value, judging that a charging condition is met; or the like, or, alternatively,
and when the residual electric quantity of the power supply of the transportation device is smaller than the third electric quantity threshold value and is larger than or equal to a preset fourth electric quantity threshold value, if the running mode of the transportation device is a braking energy recovery mode, judging that a charging condition is met.
For example, for a pure electric vehicle and a hybrid electric vehicle, if the remaining electric quantity of a power supply of the pure electric vehicle and the hybrid electric vehicle is greater than or equal to the third electric quantity threshold value, it is determined that a charging condition is met, the charging control device controls a charging link between the power supply and the electric vehicle to be closed, and the power supply charges the electric vehicle;
or, even if the remaining capacity of the power supply of the transportation device is less than the preset third capacity threshold, if the remaining capacity is greater than or equal to the preset fourth capacity threshold and the transportation device is in the braking energy recovery mode, it is determined that the charging condition is met, and the charging control device controls the charging link between the power supply and the electric vehicle to be closed, so that the power supply charges the electric vehicle. Because the recovered electric energy can be stored in the power supply of the transportation device in the braking energy recovery mode, if the transportation device is in the braking energy recovery mode and the electric energy recovered in the braking energy recovery mode can charge the power supply, the charging condition can be determined to be met as long as the residual electric energy of the power supply is greater than the fourth electric energy threshold under the condition that the residual electric energy of the power supply of the transportation device is less than the third electric energy threshold.
It should be noted that, the third electric quantity threshold and the fourth electric quantity threshold may be set according to actual needs, but no matter how the setting is performed, it is required to ensure that the remaining electric quantity of the power supply can still normally provide electric energy for the transportation device after the electric vehicle is charged, and the remaining electric quantity of the power supply is not affected.
In an embodiment, the control unit 30 is further configured to:
based on the type information obtained, for a second type of transportation means,
when the residual electric quantity of the power supply of the transportation device is larger than or equal to a preset fifth electric quantity threshold value, judging that a charging condition is met; or the like, or, alternatively,
and when the residual electric quantity of the power supply of the transportation device is smaller than the fifth electric quantity threshold value and is larger than or equal to a preset sixth electric quantity threshold value, if the rotating speed of the engine of the transportation device is larger than or equal to a preset first rotating speed threshold value, judging that the charging condition is met.
For example, for a conventional fuel oil vehicle, if the remaining capacity of the power supply of the conventional fuel oil vehicle is greater than or equal to the fifth capacity threshold, it is determined that a charging condition is met, the charging control device controls a charging link between the power supply and the electric vehicle to be closed, and the power supply charges the electric vehicle;
or, even if the remaining capacity of the power supply of the transportation device is smaller than the preset fifth capacity threshold, if the remaining capacity is larger than or equal to the preset sixth capacity threshold and the engine speed of the automobile reaches the first speed threshold, the charging condition is judged to be met, the charging control device controls the charging link between the power supply and the electric vehicle to be closed, and the power supply charges the electric vehicle. Because the engine load is increased when the automobile is in idle speed, the fuel consumption value of the engine is rapidly increased; and when the engine speed is low, the electric quantity generated by the engine cannot charge the power supply of the automobile and the electric vehicle at the same time, so that the arrangement is such that the electric vehicle is not charged in this case, and when the engine speed is so high that the electric quantity generated by the engine can satisfy the requirements for charging the power supply of the automobile and the electric vehicle, the charging condition can be considered to be satisfied. Only, the fifth electric quantity threshold and the sixth electric quantity threshold need to be set according to actual conditions so as to meet the requirements.
In summary, in the first and second embodiments of the present invention, the power supply (e.g., the storage battery) of the transportation device is used as the charging power supply of the electric vehicle carried on the transportation device, so that the electric vehicle can be charged on the transportation device, thereby enriching the charging scenes of the electric vehicle and providing great convenience for users of the electric vehicle. In addition, the embodiment of the invention charges the electric vehicle connected to the transportation device only when the charging condition is met by presetting the charging strategy, thereby playing a role in protecting the power supply of the transportation device and the power supply of the electric vehicle.
It should be noted that the transportation device in the embodiment of the present invention may be an automobile, a ship, a spacecraft, or the like, but the embodiment of the present invention is not limited thereto, and any transportation device equipped with a power supply should be applied to the embodiment of the present invention in practical applications; the electric vehicle according to the embodiment of the present invention may be an electric balance car, an electric scooter, an electric bicycle, an electric swing car, etc., but the embodiment of the present invention is not limited thereto, and any rechargeable electric vehicle should be suitable for use in the embodiment of the present invention. The charging control method and device according to the embodiment of the invention are further described in detail below by taking the transportation device as an automobile and the electric vehicle as an electric balance car as an example. In practical applications, the vehicles generally include pure electric vehicles, conventional fuel vehicles, and hybrid vehicles (i.e., electric and fuel-powered hybrid vehicles), and then, according to the type of the embodiment of the present invention, the pure electric vehicles and the hybrid vehicles belong to a first type, and the conventional fuel vehicles belong to a second type. Referring to fig. 3, a storage battery of the automobile is connected with the electric balance car through a transformer, the transformer is used for converting voltage output of the storage battery into voltage conforming to input of the electric balance car, a charging control device is respectively connected with the storage battery and the electric balance car, and the charging control device can control disconnection and connection of a charging link between the storage battery and the electric balance car, so that whether the charging link is connected or not is controlled. The following embodiments are all referred to the connection relationship shown in fig. 3.
EXAMPLE III
In this embodiment, an electrodynamic balance car mounted on a pure electric vehicle, a conventional fuel vehicle, or a hybrid vehicle ("/" indicates a relationship of "or" is "), may be connected to a battery of the vehicle through a transformer. When the ignition switch of the automobile is OFF, the charging control device is in a sleep state; when the ignition switch of the vehicle is turned ON, the charge control device is started and operated.
The started charging control device reads the electric quantity information of the storage battery from the automobile bus and reads the electric quantity information of the battery of the electric balance car from the electric balance car;
according to a preset charging strategy, when the residual electric quantity of the storage battery is judged to be more than or equal to 30% of the total electric quantity of the storage battery, as long as electric quantity information read from the electric balance car shows that the electric quantity of the electric balance car is not full, the charging control device controls a charging link between the storage battery and the electric balance car to be conducted, and the storage battery charges the electric balance car; when the electric balance car is fully charged (98-100%), the charging control device controls the charging link between the storage battery and the electric balance car to be disconnected, and the storage battery stops charging the electric balance car. According to a preset charging strategy, when the residual electric quantity of the storage battery is judged to be less than 30% of the total electric quantity of the storage battery, the charging control device controls a charging link between the storage battery and the electric balance car to be disconnected, and the storage battery does not charge the electric balance car.
Example four
In this embodiment, an electrodynamic balance car mounted on a pure electric vehicle, a conventional fuel vehicle, or a hybrid vehicle ("/" indicates a relationship of "or" is "), may be connected to a battery of the vehicle through a transformer. When the ignition switch of the automobile is OFF, the charging control device is in a sleep state; when the ignition switch of the vehicle is turned ON, the charge control device is started and operated.
The started charging control device reads the electric quantity information of the storage battery from the automobile bus and reads the electric quantity information of the battery of the electric balance car from the electric balance car;
according to a preset charging strategy, subtracting the residual electric quantity of the storage battery from the to-be-charged quantity (the total electric quantity minus the residual electric quantity) of the electric balance car to obtain a difference value, and when the difference value is larger than 800Wh or the difference value is larger than 25% of the total electric quantity of the storage battery, as long as the electric quantity information read from the electric balance car shows that the electric quantity of the electric balance car is not full, controlling the charging link between the storage battery and the electric balance car to be conducted by the charging control device, and charging the electric balance car by the storage battery; when the electric balance car is fully charged (98-100%), the charging control device controls the charging link between the storage battery and the electric balance car to be disconnected, and the storage battery stops charging the electric balance car. According to a preset charging strategy, when the difference value is less than or equal to 800Wh or the difference value is less than or equal to 25% of the total electric quantity of the storage battery, the charging control device controls a charging link between the storage battery and the electric balance car to be disconnected, and the storage battery does not charge the electric balance car.
EXAMPLE five
In the present embodiment, an electrodynamic balance car mounted on a pure electric vehicle/hybrid electric vehicle ("/" indicates a relationship of "or" is "), may be connected to a battery of the vehicle through a transformer. When the ignition switch of the automobile is OFF, the charging control device is in a sleep state; when the ignition switch of the vehicle is turned ON, the charge control device is started and operated.
The started charging control device reads the electric quantity information of the storage battery from the automobile bus and reads the electric quantity information of the battery of the electric balance car from the electric balance car;
according to a preset charging strategy, if the residual electric quantity of the storage battery is more than or equal to 30% of the total electric quantity, as long as the electric quantity information read from the electric balance car shows that the electric quantity of the electric balance car is not full, the charging control device controls a charging link between the storage battery and the electric balance car to be conducted, and the storage battery charges the electric balance car; if the residual electric quantity of the storage battery is less than 30% of the total electric quantity and is more than or equal to 5% of the total electric quantity, the charging control device controls the charging link between the storage battery and the electric balance car to be conducted only when the automobile is in a braking energy recovery mode, and the storage battery charges the electric balance car; and if the residual electric quantity of the storage battery is less than 5% of the total electric quantity, the charging control device controls the disconnection of a charging link between the storage battery and the electric balance car, and the storage battery does not charge the electric balance car.
EXAMPLE six
In the present embodiment, an electrodynamic balance car mounted on a pure electric vehicle/hybrid electric vehicle ("/" indicates a relationship of "or" is "), may be connected to a battery of the vehicle through a transformer. When the ignition switch of the automobile is OFF, the charging control device is in a sleep state; when the ignition switch of the vehicle is turned ON, the charge control device is started and operated.
The started charging control device reads the electric quantity information of the storage battery from the automobile bus and reads the electric quantity information of the battery of the electric balance car from the electric balance car;
according to a preset charging strategy, if the residual electric quantity of the storage battery minus the amount to be charged of the electric balance car is more than or equal to 20% of the total electric quantity of the storage battery, the charging control device controls a charging link between the storage battery and the electric balance car to be conducted as long as the electric quantity information read from the electric balance car shows that the electric quantity of the electric balance car is not full, and the storage battery charges the electric balance car; if the residual electric quantity of the storage battery minus the amount to be charged of the electric balance car is less than 20% of the total electric quantity of the storage battery and is more than or equal to 5% of the total electric quantity of the storage battery, the charging control device controls the charging link between the storage battery and the electric balance car to be conducted only when the automobile is in a braking energy recovery mode, and the storage battery charges the electric balance car; and if the residual electric quantity of the storage battery minus the amount to be charged of the electric balance car is less than 5% of the total electric quantity of the storage battery, the charging control device controls the disconnection of a charging link between the storage battery and the electric balance car, and the storage battery does not charge the electric balance car.
EXAMPLE seven
In this embodiment, the electrodynamic balance car that carries on the traditional fuel automobile can pass through the transformer and insert the battery of car. When the ignition switch of the automobile is OFF, the charging control device is in a sleep state; when the ignition switch of the vehicle is turned ON, the charge control device is started and operated.
The started charging control device reads the electric quantity information of the storage battery from the automobile bus and reads the electric quantity information of the battery of the electric balance car from the electric balance car;
according to a preset charging strategy, if the residual electric quantity of the storage battery is more than or equal to 30% of the total electric quantity, as long as the electric quantity information read from the electric balance car shows that the electric quantity of the electric balance car is not full, the charging control device controls a charging link between the storage battery and the electric balance car to be conducted, and the storage battery charges the electric balance car; if the residual electric quantity of the storage battery is less than 30% of the total electric quantity and is more than or equal to 5% of the total electric quantity, the charging control device controls the charging link between the storage battery and the electric balance car to be conducted only when the rotating speed of an engine of the automobile is more than 1000 revolutions, and the storage battery charges the electric balance car; and if the residual electric quantity of the storage battery is less than 5% of the total electric quantity, the charging control device controls the disconnection of a charging link between the storage battery and the electric balance car, and the storage battery does not charge the electric balance car.
Example eight
In this embodiment, the electrodynamic balance car that carries on the traditional fuel automobile can pass through the transformer and insert the battery of car. When the ignition switch of the automobile is OFF, the charging control device is in a sleep state; when the ignition switch of the vehicle is turned ON, the charge control device is started and operated.
The started charging control device reads the electric quantity information of the storage battery from the automobile bus and reads the electric quantity information of the battery of the electric balance car from the electric balance car;
according to a preset charging strategy, if the residual electric quantity of the storage battery minus the amount to be charged of the electric balance car is more than or equal to 20% of the total electric quantity of the storage battery, the charging control device controls a charging link between the storage battery and the electric balance car to be conducted as long as the electric quantity information read from the electric balance car shows that the electric quantity of the electric balance car is not full, and the storage battery charges the electric balance car; if the residual electric quantity of the storage battery minus the amount to be charged of the electric balance car is less than 20% of the total electric quantity of the storage battery and is more than or equal to 5% of the total electric quantity of the storage battery, the charging control device controls the charging link between the storage battery and the electric balance car to be conducted only when the rotating speed of an engine of the automobile is more than 1000 revolutions, and the storage battery charges the electric balance car; and if the residual electric quantity of the storage battery minus the amount to be charged of the electric balance car is less than 5% of the total electric quantity of the storage battery, the charging control device controls the disconnection of a charging link between the storage battery and the electric balance car, and the storage battery does not charge the electric balance car.
In summary, in the embodiments of the present invention, a power supply (e.g., a storage battery) of a transportation device is used as a charging power supply of an electric vehicle mounted on the transportation device, so that the electric vehicle can be charged on the transportation device, thereby enriching charging scenarios of the electric vehicle and providing great convenience for users of the electric vehicle. In addition, the embodiment of the invention charges the electric vehicle connected to the transportation device only when the charging condition is met by presetting the charging strategy, thereby playing a role in protecting the power supply of the transportation device and the power supply of the electric vehicle. In addition, the embodiment of the present invention does not limit the type of the charging interface and the type of the transformer, and any interface and type of the transformer that can realize the charging of the transportation device for the electric vehicle in practical application should belong to the protection scope of the embodiment of the present invention.
In the embodiments provided in the present invention, it should be understood that the disclosed method, apparatus and electronic device may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all the functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be separately regarded as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: a mobile storage device, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Alternatively, the integrated unit according to the embodiment of the present invention may be stored in a computer-readable storage medium if it is implemented in the form of a software functional module and sold or used as a separate product. Based on such understanding, the technical solutions of the embodiments of the present invention may be essentially implemented or a part contributing to the prior art may be embodied in the form of a software product, which 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) to execute all or part of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a mobile storage device, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention 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 invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (4)
1. A charging control method for an electric vehicle is applied to a transportation device loaded with a power supply, wherein the transportation device is provided with a charging interface, and when the electric vehicle is connected to the charging interface, a charging link is arranged between the power supply and the electric vehicle; the transportation device is also provided with a charging control device which is used for controlling the opening and closing of the charging link; the method comprises the following steps:
obtaining a first instruction for instructing to enable the charging control apparatus;
in response to the first instruction, the charge control device is enabled and obtains the power information of the power supply of the transportation device and the power information of the electric vehicle;
judging whether a charging condition is met or not according to a preset charging strategy based on the acquired electric quantity information of the power supply of the transportation device and the electric quantity information of the electric vehicle, and controlling a charging link between the power supply and the electric vehicle to be closed when the charging condition is determined to be met, wherein the power supply charges the electric vehicle;
after the charge control device is enabled, the method further comprises: obtaining type information of the transportation device, wherein the type information at least comprises a first type and a second type, the first type represents that the transportation device supports the power supply for providing the travel power, and the second type represents that the transportation device does not support the power supply for providing the travel power;
the judging whether the charging condition is met according to the preset charging strategy comprises the following steps: according to the obtained type information, for the first type of transportation device, when the residual electric quantity of the power supply of the transportation device is larger than or equal to a preset third electric quantity threshold value, judging that a charging condition is met; or when the residual electric quantity of the power supply of the transportation device is smaller than the third electric quantity threshold value and larger than or equal to a preset fourth electric quantity threshold value, if the running mode of the transportation device is a braking energy recovery mode, judging that the charging condition is met.
2. The method for controlling charging of an electric vehicle according to claim 1, wherein the determining whether the charging condition is satisfied according to a preset charging policy includes:
based on the type information obtained, for a second type of transportation means,
when the residual electric quantity of the power supply of the transportation device is larger than or equal to a preset fifth electric quantity threshold value, judging that a charging condition is met; or the like, or, alternatively,
and when the residual electric quantity of the power supply of the transportation device is smaller than the fifth electric quantity threshold value and is larger than or equal to a preset sixth electric quantity threshold value, if the rotating speed of the engine of the transportation device is larger than or equal to a preset first rotating speed threshold value, judging that the charging condition is met.
3. A charging control device for an electric vehicle is applied to a transportation device loaded with a power supply, the transportation device is provided with a charging interface, and when the electric vehicle is connected to the charging interface, a charging link is arranged between the power supply and the electric vehicle; the charge control device includes:
an instruction obtaining unit configured to obtain a first instruction for instructing to enable the charging control apparatus;
an information obtaining unit configured to enable the charging control apparatus in response to the first instruction, and obtain information on an amount of power of a power supply of the transportation apparatus and information on an amount of power of the electric vehicle;
the control unit is used for judging whether a charging condition is met or not according to a preset charging strategy based on the acquired electric quantity information of the power supply of the transportation device and the electric quantity information of the electric vehicle, and controlling a charging link between the power supply and the electric vehicle to be closed when the charging condition is determined to be met, wherein the power supply charges the electric vehicle;
the information obtaining unit is further configured to: obtaining type information of the transportation device after the charging control device is enabled, wherein the type information at least comprises a first type and a second type, the first type represents that the transportation device supports the power supply for providing the traveling power, and the second type represents that the transportation device does not support the power supply for providing the traveling power;
the control unit is further configured to: according to the obtained type information, for the first type of transportation device, when the residual electric quantity of the power supply of the transportation device is larger than or equal to a preset third electric quantity threshold value, judging that a charging condition is met; or when the residual electric quantity of the power supply of the transportation device is smaller than the third electric quantity threshold value and larger than or equal to a preset fourth electric quantity threshold value, if the running mode of the transportation device is a braking energy recovery mode, judging that the charging condition is met.
4. The charge control device for an electric vehicle according to claim 3, characterized in that the control unit is further configured to:
based on the type information obtained, for a second type of transportation means,
when the residual electric quantity of the power supply of the transportation device is larger than or equal to a preset fifth electric quantity threshold value, judging that a charging condition is met; or the like, or, alternatively,
and when the residual electric quantity of the power supply of the transportation device is smaller than the fifth electric quantity threshold value and is larger than or equal to a preset sixth electric quantity threshold value, if the rotating speed of the engine of the transportation device is larger than or equal to a preset first rotating speed threshold value, judging that the charging condition is met.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103855748A (en) * | 2012-12-06 | 2014-06-11 | 比亚迪股份有限公司 | Vehicle charging system and method |
| CN205248854U (en) * | 2015-12-15 | 2016-05-18 | 深圳市迪比科电子科技有限公司 | Multi -functional charging seat device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103855748A (en) * | 2012-12-06 | 2014-06-11 | 比亚迪股份有限公司 | Vehicle charging system and method |
| CN205248854U (en) * | 2015-12-15 | 2016-05-18 | 深圳市迪比科电子科技有限公司 | Multi -functional charging seat device |
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