CN112277665B - Charging control method for battery replacement, battery management system and charging control system - Google Patents
Charging control method for battery replacement, battery management system and charging control system Download PDFInfo
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- CN112277665B CN112277665B CN201910660162.0A CN201910660162A CN112277665B CN 112277665 B CN112277665 B CN 112277665B CN 201910660162 A CN201910660162 A CN 201910660162A CN 112277665 B CN112277665 B CN 112277665B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/80—Exchanging energy storage elements, e.g. removable batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The embodiment of the invention provides a charging control method, a battery management system and a charging control system for a battery replacement, wherein the method comprises the following steps: when receiving charging instruction information for charging the battery replacement battery, detecting the network access state of the battery replacement battery and acquiring the current geographical position information of the battery replacement battery; when the network access state is network access and the battery replacement battery is determined to be outside the battery replacement station according to the current geographical position information, acquiring the current chargeable times of the battery replacement battery; and when the current chargeable times are larger than or equal to the first preset times, sending a charging signal to the vehicle control unit, and entering a charging process. According to the technical scheme, when the battery replacement is determined to be connected to the network and located outside the battery replacement station, the charging times of the battery replacement in an unstable environment are limited by setting the current chargeable times, so that the loss of the battery replacement during charging in the unstable environment is reduced, and the safety and the service life of the battery replacement are further ensured.
Description
Technical Field
The invention relates to the technical field of battery charging, in particular to a charging control method, a battery management system and a charging control system for a battery replacement battery.
Background
The pure electric vehicle is limited by low energy density and long charging time of a battery, and cannot meet the requirement of long-distance use like a traditional fuel vehicle. In order to solve the problem, a scheme of replacing a battery is generally adopted, and long-distance use of the pure electric vehicle is guaranteed.
At present, the battery replacement technology of the pure electric vehicle is mainly researched on aspects of a physical mechanism, a battery replacement control method and the like, mainly the reliability of the battery replacement mechanism and the safety in the battery replacement process are ensured, and the charging control research on the battery replacement is less. In addition, in the use of the battery replacement station, due to the limitation of the number of the battery replacement stations, the situation of charging outside the battery replacement station cannot be completely eradicated, but when the battery replacement station is charged outside the battery replacement station, due to environmental factors such as: the unstable or non-optimal charging environment of temperature, humidity, etc. causes the loss of the battery to be larger when the battery is charged outside the station than when the battery is charged inside the station, thereby affecting the safety and the service life of the battery.
Disclosure of Invention
The technical purpose to be achieved by the embodiments of the present invention is to provide a charging control method, a battery management system, and a charging control system for a battery replacement, so as to solve the problem that the charging control aspect of the battery replacement cannot be effectively controlled currently, so that a user frequently charges the battery replacement outside a battery replacement station, and the battery replacement is worn, thereby affecting the safety and the service life of the battery replacement.
In order to solve the above technical problem, an embodiment of the present invention provides a charging control method for a battery replacement, which is applied to a battery management system, and includes:
when receiving charging instruction information for charging the battery replacement battery, detecting the network access state of the battery replacement battery and acquiring the current geographical position information of the battery replacement battery;
when the network access state is network access and the battery replacement battery is determined to be outside the battery replacement station according to the current geographical position information, acquiring the current chargeable times of the battery replacement battery for charging outside the battery replacement station;
when the current chargeable times are larger than or equal to a first preset time, sending a charging signal to the vehicle control unit, and entering a charging process, wherein the first preset time is larger than zero.
Preferably, in the charging control method as described above, after the step of entering the charging flow, the charging control method further includes:
when the charging of the battery replacement battery is determined to be completed, subtracting 1 from the current chargeable frequency to obtain an updated chargeable frequency;
when the updated chargeable times are less than or equal to a second preset times, sending a first indication signal for prompting that the chargeable times are insufficient to the vehicle controller, wherein the second preset times are less than or equal to the first preset times;
and when the updated chargeable times are larger than the second preset times, sending a second indicating signal for prompting the updated chargeable times to the vehicle control unit.
Specifically, after the step of obtaining the current chargeable number of times that the battery replacement battery is charged outside the battery replacement station, the charging control method further includes:
and when the current chargeable times are less than the first preset times, sending a third indication signal for prompting that the vehicle control unit cannot be charged currently.
Optionally, after the step of detecting the network access state of the battery replacement cell and acquiring the current geographic location information of the battery replacement cell, the charging control method further includes:
and when the network access state is not network access and the battery replacement is determined to be outside the battery replacement station according to the current geographical position information, directly sending a charging signal to the vehicle control unit and entering a charging process.
Preferably, after the step of detecting the network access state of the battery replacement cell and acquiring the current geographical location information of the battery replacement cell, the charging control method further includes:
when the network access state is network access and the battery replacement battery is determined to be in the battery replacement station according to the current geographical position information, sending a reset request signal for resetting the chargeable times to a charging controller of the battery replacement station;
receiving a reset signal sent by the charging controller according to the reset request signal;
and resetting the charging times to a third preset time according to the reset signal, sending the charging signal to the charging controller, and entering a charging process, wherein the third preset time is the total charging times of the preset battery replacement battery outside the battery replacement station.
Further, in the charging control method as described above, after the step of entering the charging flow, the charging control method further includes:
when the charging of the battery replacement battery is determined to be completed, the network access state of the battery replacement battery is obtained again;
when the network access state is not network access, adding 1 to the network access failure times;
when the network access failure times are smaller than the fourth preset times, sending a network access request signal to the charging controller;
and receiving the network access information sent by the charging controller, and acquiring the network access state of the battery replacement battery again.
Specifically, the charging control method as described above, after the step of adding 1 to the network access failure number when the network access state is the non-network access state, further includes:
and when the network access failure times are equal to a fourth preset time, sending a fourth indication signal for prompting the network access failure to the charging controller.
Preferably, after the step of detecting the network access state of the battery replacement cell and acquiring the current geographical location information of the battery replacement cell, the charging control method further includes:
when the network access state is that the network is not accessed and the battery replacement is determined to be in the battery replacement station according to the current geographical position information, sending a network access request signal to the charging controller;
and receiving network access information sent by the charging controller, sending a charging signal to the charging controller, and entering a charging process.
Still another preferred embodiment of the present invention provides a battery management system including:
the first processing module is used for detecting the network access state of the battery replacement battery and acquiring the current geographical position information of the battery replacement battery when receiving the charging instruction information for charging the battery replacement battery;
the second processing module is used for acquiring the current chargeable times of the battery replacement battery for charging outside the battery replacement station when the network access state is the network access state and the battery replacement battery is determined to be outside the battery replacement station according to the current geographical position information;
and the third processing module is used for sending a charging signal to the vehicle control unit and entering a charging process when the current chargeable times are greater than or equal to a first preset time, wherein the first preset time is greater than zero.
Preferably, the battery management system as described above, further comprising:
the fourth processing module is used for subtracting 1 from the current chargeable times when the charging of the battery replacement battery is determined to be finished, and obtaining the updated chargeable times;
the fifth processing module is used for sending a first indication signal for prompting that the chargeable times are insufficient to the vehicle control unit when the updated chargeable times are less than or equal to a second preset times, wherein the second preset times are less than or equal to the first preset times;
and the sixth processing module is used for sending a second indication signal for prompting the updated chargeable times to the vehicle control unit when the updated chargeable times are larger than a second preset time.
Specifically, the battery management system as described above, further includes:
and the seventh processing module is used for sending a third indication signal for prompting that the vehicle control unit cannot be charged currently when the current chargeable times are smaller than the first preset times.
Optionally, the battery management system as described above, further comprising:
and the eighth processing module is used for directly sending a charging signal to the vehicle control unit and entering a charging process when the network access state is not network access and the battery replacement is determined to be outside the battery replacement station according to the current geographical position information.
Preferably, the battery management system as described above, further comprising:
the ninth processing module is used for sending a reset request signal for resetting the chargeable times to a charging controller of the battery replacement station when the network access state is the network access state and the battery replacement battery is determined to be in the battery replacement station according to the current geographical position information;
the tenth processing module is used for receiving a reset signal sent by the charging controller according to the reset request signal;
and the eleventh processing module is used for resetting the charging times to a third preset time according to the reset signal, sending the charging signal to the charging controller, and entering a charging process, wherein the third preset time is the total charging times of the preset battery replacement battery outside the battery replacement station.
Further, the battery management system as described above further includes:
the twelfth processing module is used for acquiring the network access state of the battery replacement battery again when the battery replacement battery is determined to be charged;
the thirteenth processing module is used for adding 1 to the network access failure times when the network access state is not network access;
the fourteenth processing module is configured to send a network access request signal to the charge controller when the network access failure times are smaller than a fourth preset time;
and the fifteenth processing module is used for receiving the network access information sent by the charging controller and acquiring the network access state of the battery replacement battery again.
Specifically, the battery management system as described above, further includes:
and the sixteenth processing module is configured to send a fourth indication signal for prompting the network access failure to the charge controller when the network access failure number is equal to a fourth preset number.
Preferably, the battery management system as described above, further comprising:
the seventeenth processing module is used for sending a network access request signal to the charging controller when the network access state is that the network is not accessed and the battery replacement battery is determined to be in the battery replacement station according to the current geographical position information;
and the eighteenth processing module is used for receiving the network access information sent by the charging controller, sending a charging signal to the charging controller and entering a charging process.
Another preferred embodiment of the present invention further provides a charging control system for replacing a battery, including: the charging system comprises a vehicle control unit on the battery replacement vehicle, a charging controller of a battery replacement station and the battery management system;
when the battery replacement vehicle is mounted on the battery replacement vehicle, the battery management system is connected with the vehicle control unit;
when the battery replacement is placed in the battery replacement station, the battery management system is connected with the charging controller.
Compared with the prior art, the charging control method, the battery management system and the charging control system for the battery replacement provided by the embodiment of the invention at least have the following beneficial effects:
according to the method, the power conversion battery is connected to the network, unified management on the power conversion battery is facilitated, the charging times of the power conversion battery outside the power conversion station are limited, and the current geographic position information is convenient for confirming whether the current battery charging environment is a stable environment of the power conversion station or an unstable environment outside the power conversion station. When it is determined that the battery replacement battery is connected to the network and is located outside the battery replacement station, the charging frequency of the battery replacement battery for charging outside the battery replacement station is limited by setting the current chargeable frequency, namely, the charging frequency of the battery replacement battery in an unstable environment is limited, so that the battery replacement battery is charged in a stable environment as much as possible, the loss of the battery replacement battery caused by charging in the unstable environment is reduced, and the safety and the service life of the battery replacement battery are further ensured.
Drawings
FIG. 1 is a flow chart illustrating a charging control method according to an embodiment of the present invention;
FIG. 2 is a second flowchart of the charging control method according to the present invention;
FIG. 3 is a third flowchart illustrating a charging control method according to the present invention;
FIG. 4 is a fourth flowchart illustrating a charging control method according to the present invention;
FIG. 5 is a fifth flowchart illustrating a charging control method according to the present invention;
FIG. 6 is a schematic diagram of a battery management system according to the present invention;
FIG. 7 is a schematic structural diagram of a charging control system according to the present invention;
fig. 8 is a sixth flowchart illustrating a charging control method according to the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments. In the following description, specific details such as specific configurations and components are provided only to help the full understanding of the embodiments of the present invention. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In various embodiments of the present invention, it should be understood that the sequence numbers of the following processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
It should be understood that the term "and/or" herein is merely one type of association relationship 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.
In the embodiments provided herein, it should be understood that "B corresponding to a" means that B is associated with a from which B can be determined. It should also be understood that determining B from a does not mean determining B from a alone, but may be determined from a and/or other information.
Referring to fig. 1 or fig. 8, a preferred embodiment of the present invention provides a charging control method for replacing a battery, which is applied to a battery management system, and includes:
step S101, when receiving charging instruction information for charging a battery replacement battery, detecting a network access state of the battery replacement battery and acquiring current geographical position information of the battery replacement battery;
step S102, when the network access state is network access and the battery replacement battery is determined to be outside the battery replacement station according to the current geographical position information, acquiring the current chargeable times of the battery replacement battery for charging outside the battery replacement station;
and step S103, when the current chargeable times are larger than or equal to a first preset time, sending a charging signal to the whole vehicle controller, and entering a charging process, wherein the first preset time is larger than zero.
In the embodiment of the invention, when charging instruction information for charging a battery replacement battery is received, a network access state of the battery replacement battery and current geographical position information of the battery replacement battery are detected, wherein the network access of the battery replacement battery is convenient for carrying out unified management on the battery replacement battery and limiting the charging times of the battery replacement battery outside a battery replacement station, and the current geographical position information is convenient for confirming whether the current battery charging environment is a stable environment of the battery replacement station or an unstable environment outside the battery replacement station, wherein in the embodiment of the invention, the stable environment refers to the condition that the temperature, the humidity and the like influencing the battery charging are within a preset range when the time and/or the place change, and the unstable environment refers to the condition that the temperature, the humidity and the like influencing the battery charging fluctuate according to the change of the time and/or the place.
When the battery replacement battery is determined to be in a network and outside the battery replacement station, the current chargeable times of the battery replacement battery for charging outside the battery replacement station are obtained, and when the current chargeable times are larger than or equal to a first preset time, a charging signal is sent to the vehicle control unit, and a charging process is started. When the battery replacement battery is located outside the battery replacement station, the charging frequency of the battery replacement battery for charging outside the battery replacement station is limited by setting the current chargeable frequency, namely the battery replacement battery is charged in a stable environment as much as possible by limiting the charging frequency of the battery replacement battery in an unstable environment, so that the loss of the battery replacement battery caused by charging in the unstable environment is reduced, and the safety and the service life of the battery replacement battery are further favorably ensured. Preferably, in the embodiment of the present invention, the first preset number is 1, but on the basis of this, a person skilled in the art sets the first preset number to other values, and performs corresponding adjustment of the control strategy, which also belongs to the protection scope of the present invention.
Referring to fig. 2 or fig. 8, preferably, after entering step S103 of the charging flow, the charging control method further includes:
step S201, when the charging of the battery replacement battery is determined to be completed, subtracting 1 from the current chargeable frequency, and obtaining the updated chargeable frequency;
step S202, when the chargeable times after updating are smaller than or equal to a second preset times, sending a first indication signal for prompting that the chargeable times are insufficient to the whole vehicle controller, wherein the second preset times are smaller than or equal to the first preset times;
and step S203, when the updated chargeable times are larger than a second preset time, sending a second indication signal for prompting the updated chargeable times to the vehicle control unit.
In the embodiment of the invention, when the charging is finished, the current chargeable times are reduced by 1, and the updated chargeable times are obtained, so that the failure of the scheme of the chargeable times limited outside the power changing station due to the fact that the chargeable times are always kept at the same value is avoided; and comparing the updated chargeable times with a second preset time for judging whether the updated chargeable times meet the requirement of charging outside the power conversion station again, wherein the second preset time is less than or equal to the first preset time. Preferably, when the first preset number of times is 1 and the second preset number of times is equal to the first preset number of times, if the updated chargeable number of times is greater than the second preset number of times, the number of times of remaining chargeable times of the battery replacement battery is large, and at this time, a second indication signal for prompting the updated chargeable number of times is sent to the vehicle control unit, so that a user can know that the battery replacement battery on the vehicle can be charged outside the vehicle at least once again; when the updated chargeable times are smaller than a second preset time, namely the updated chargeable times are zero, a second indication signal for prompting the updated chargeable times is sent to the vehicle control unit, so that a user can know that the current updated chargeable times are insufficient, and needs to go to a battery replacement station to reset the chargeable times or replace a battery replacement battery, and the situation that the vehicle cannot be used due to the fact that the outside of the battery replacement station cannot be charged after the electric quantity of the vehicle is consumed to a certain degree is avoided; and when the chargeable times after updating are equal to the second preset times, namely the chargeable times after updating are 1, sending a second indicating signal for warning a user that the user needs to go to the battery replacement station to reset the chargeable times or replace the battery replacement station, so as to avoid the situations. Alternatively, the above solution is only a preferred embodiment provided by the present invention, and those skilled in the art may make modifications based on this solution, all of which belong to the protection scope of the present invention. Wherein the adaptive modification comprises: and the judgment of the chargeable times after updating is changed into: when the updated chargeable times are larger than zero and smaller than a fifth preset time, sending a third indication signal for prompting that the chargeable times are less to the whole vehicle controller, wherein the fifth preset time is larger than or equal to 2; and when the chargeable times are zero after updating, sending a first indication signal for prompting that the chargeable times are insufficient to the vehicle control unit.
Referring to fig. 8, specifically, after the step S102 of acquiring the current chargeable number of times that the charging station charges the battery cell outside, the charging control method further includes:
and when the current chargeable times are less than the first preset times, sending a third indication signal for prompting that the vehicle control unit cannot be charged currently.
In the embodiment of the invention, when the first preset number is 1, if the current chargeable number is smaller than the first preset number, that is, the current chargeable number is zero, at this time, a third indication signal for prompting that charging cannot be performed currently is sent to the vehicle control unit, and the vehicle control unit controls the instrument to display according to the third indication signal, so that a user can know that the current vehicle cannot be charged, and the vehicle control unit is favorable for supervising the user to go to the battery replacement station in time to replace the battery or reset the chargeable number, and further favorable for reducing the charging condition of the battery replacement outside the battery replacement station.
Referring to fig. 8, optionally, after the step S101 of detecting the network access state of the battery swap battery and acquiring the current geographic location information of the battery swap battery, the charging control method further includes:
and when the network access state is not network access and the battery replacement is determined to be outside the battery replacement station according to the current geographical position information, directly sending a charging signal to the vehicle control unit and entering a charging process.
In the embodiment of the invention, when the battery replacement is detected to be in a non-network access state, the battery replacement is not limited by the charging times of charging outside the battery replacement station, and when the battery replacement is outside the battery replacement station, the power supply equipment outside the battery replacement station cannot perform network access operation on the battery replacement because the power supply equipment is public equipment, and at the moment, the charging signal is directly sent to the vehicle control unit and enters a charging process, so that a user can charge the battery replacement conveniently, and the normal use of the user is ensured.
Referring to fig. 3 and 8, preferably, after the step S101 of detecting the network access state of the battery swap battery and acquiring the current geographic location information of the battery swap battery, the charging control method further includes:
step S301, when the network access state is network access and the battery replacement battery is determined to be in the battery replacement station according to the current geographical position information, sending a reset request signal for resetting the chargeable times to a charging controller of the battery replacement station;
step S302, receiving a reset signal sent by the charging controller according to the reset request signal;
step S303, resetting the charging frequency to a third preset frequency according to the reset signal, sending the charging signal to the charging controller, and entering a charging process, where the third preset frequency is a total number of times that the preset battery swapping battery is charged outside the battery swapping station.
In the embodiment of the invention, when the battery is connected to the network and is positioned in the battery replacing station, the charging environment where the battery is positioned is a stable environment, the chargeable times do not need to be consumed, the reset request signal for resetting the chargeable times is sent at the moment, and the charging times are reset to the third preset times according to the reset signal sent by the received charging controller according to the reset request signal, so that when the battery is applied to a vehicle, the battery is used for charging the outside of the battery replacing station at a chance with the third preset times, the user is prevented from frequently going to the battery replacing station for charging or replacing the battery, and the normal use requirement of the user is favorably ensured. Meanwhile, the third preset times limit the charging times of the user outside the battery replacement station, the battery replacement battery is charged in a stable environment as much as possible, the loss of the battery replacement battery caused by charging in an unstable environment is reduced, and the safety and the service life of the battery replacement battery are further ensured.
Referring to fig. 4 or fig. 8, further, after entering step S303 of the charging flow, the charging control method further includes:
step S401, when the charging of the battery replacement battery is determined to be completed, the network access state of the battery replacement battery is obtained again;
step S402, when the network access state is not network access, adding 1 to the network access failure times;
step S403, when the network access failure times are less than a fourth preset time, sending a network access request signal to the charging controller;
and step S404, receiving the network access information sent by the charging controller, and acquiring the network access state of the battery replacement battery again.
In the embodiment of the invention, when the charging of the battery replacement battery in the battery replacement station is finished, the network access state of the battery replacement battery is acquired again for secondary detection, when the network access state is the non-network access state, the network access failure frequency is added by 1, and when the network access failure frequency is smaller than a fourth preset frequency, the network access operation is repeated, so that the network access failure condition caused by accidental factors is favorably reduced, the charged battery replacement batteries are ensured to be the charged battery replacement batteries, the charging frequency of the battery replacement battery outside the battery replacement station cannot be limited due to the fact that the battery replacement batteries are not in the network is avoided, and the safety and the service life of the battery replacement battery are influenced. Wherein, the fourth preset number of times includes but is not limited to 3 to 5 times.
Referring to fig. 8, specifically, as described above, after the step S402 of adding 1 to the number of network access failures when the network access status is not network access, the charging control method further includes:
and when the network access failure times are equal to a fourth preset time, sending a fourth indication signal for prompting the network access failure to the charging controller.
In the embodiment of the invention, when the network access failure times are equal to the fourth preset times, the network access failure caused by accidental factors can be eliminated, and then the network access failure is determined to be caused by the battery replacement or the self fault of the charging controller, and at the moment, the fourth indication signal is sent to the charging control, so that the charging controller can prompt a worker to have problems through the information prompting device, and the worker can conveniently perform subsequent maintenance and other processing.
Referring to fig. 5 or 8, preferably, after the step S101 of detecting the network access state of the battery replacement battery and acquiring the current geographic location information of the battery replacement battery, the charging control method further includes:
step S501, when the network access state is that the network is not accessed and the battery replacement battery is determined to be in the battery replacement station according to the current geographic position information, a network access request signal is sent to a charging controller;
step S502, receiving the network access information sent by the charging controller, sending a charging signal to the charging controller, and entering a charging process.
In the embodiment of the invention, when the battery is detected to be not connected to the network and is located in the battery changing station for the first time, the network access request signal is sent to the charging controller, the network access information is received to carry out network access operation, and then the charging process is started, namely when the battery is detected to be not connected to the network, the network access operation is carried out on the battery, so that the situation that each battery is connected to the network is favorably ensured, and the charging frequency of the battery outside the battery changing station is not limited due to the fact that the battery is not connected to the network is avoided, and the safety and the service life of the battery are influenced. It should be noted that the above-mentioned solution is only a specific technical solution of the present invention, and optionally, a person skilled in the art combines the above-mentioned solution and the above-mentioned technical solution for performing network access operation on the battery swap battery, that is, after it is determined that the battery swap battery is in a network access state, the operation of charging and subsequently secondarily determining whether to access the network is performed also belongs to the protection scope of the present invention.
Referring to fig. 6, still another preferred embodiment of the present invention provides a battery management system including:
the first processing module 601 is configured to detect a network access state of a battery replacement battery and acquire current geographic position information of the battery replacement battery when receiving charging instruction information for charging the battery replacement battery;
the second processing module 602 is configured to, when the network access state is network access and it is determined that the battery replacement cell is located outside the battery replacement station according to the current geographical location information, obtain a current chargeable number of times that the battery replacement cell is charged outside the battery replacement station;
the third processing module 603 is configured to send a charging signal to the vehicle controller and enter a charging process when the current chargeable number is greater than or equal to a first preset number, where the first preset number is greater than zero.
Preferably, the battery management system as described above, further comprising:
the fourth processing module is used for subtracting 1 from the current chargeable times when the charging of the battery replacement battery is determined to be finished, and obtaining the updated chargeable times;
the fifth processing module is used for sending a first indication signal for prompting that the chargeable times are insufficient to the vehicle control unit when the updated chargeable times are less than or equal to a second preset times, wherein the second preset times are less than or equal to the first preset times;
and the sixth processing module is used for sending a second indication signal for prompting the updated chargeable times to the vehicle control unit when the updated chargeable times are larger than a second preset time.
Specifically, the battery management system as described above, further includes:
and the seventh processing module is used for sending a third indication signal for prompting that the vehicle control unit cannot be charged currently when the current chargeable times are smaller than the first preset times.
Optionally, the battery management system as described above, further comprising:
and the eighth processing module is used for directly sending a charging signal to the vehicle control unit and entering a charging process when the network access state is not network access and the battery replacement is determined to be outside the battery replacement station according to the current geographical position information.
Preferably, the battery management system as described above, further comprising:
the ninth processing module is used for sending a reset request signal for resetting the chargeable times to a charging controller of the battery replacement station when the network access state is the network access state and the battery replacement battery is determined to be in the battery replacement station according to the current geographical position information;
the tenth processing module is used for receiving a reset signal sent by the charging controller according to the reset request signal;
and the eleventh processing module is used for resetting the charging times to a third preset time according to the reset signal, sending the charging signal to the charging controller, and entering a charging process, wherein the third preset time is the total charging times of the preset battery replacement battery outside the battery replacement station.
Further, the battery management system as described above further includes:
the twelfth processing module is used for acquiring the network access state of the battery replacement battery again when the battery replacement battery is determined to be charged;
the thirteenth processing module is used for adding 1 to the network access failure times when the network access state is not network access;
the fourteenth processing module is configured to send a network access request signal to the charge controller when the network access failure times are smaller than a fourth preset time;
and the fifteenth processing module is used for receiving the network access information sent by the charging controller and acquiring the network access state of the battery replacement battery again.
Specifically, the battery management system as described above, further includes:
and the sixteenth processing module is configured to send a fourth indication signal for prompting the network access failure to the charge controller when the network access failure number is equal to a fourth preset number.
Preferably, the battery management system as described above, further comprising:
the seventeenth processing module is used for sending a network access request signal to the charging controller when the network access state is that the network is not accessed and the battery replacement battery is determined to be in the battery replacement station according to the current geographical position information;
and the eighteenth processing module is used for receiving the network access information sent by the charging controller, sending a charging signal to the charging controller and entering a charging process.
The embodiment of the battery management system of the invention is a system corresponding to the embodiment of the charging control method for battery replacement applied to the battery management system, and all implementation means in the embodiment of the method are applicable to the embodiment of the system, and can achieve the same technical effect.
Referring to fig. 7, another preferred embodiment of the present invention further provides a charging control system for replacing a battery, including: a vehicle controller 701 on the battery replacement vehicle, a charging controller 702 of the battery replacement station, and the battery management system 703 as described above;
when the battery replacement is mounted on the battery replacement vehicle, the battery management system 703 is connected with the vehicle control unit 701;
when the battery replacement is placed inside the battery replacement station, the battery management system 703 is connected to the charge controller 702.
In the embodiment of the present invention, the charging control system 703 of the battery swapping battery is different according to different geographic locations, and the connected charging devices are different, so that the control flow is also changed accordingly, so that the battery swapping battery has a limitation on the number of charging times when being charged outside the battery swapping station, and further the battery swapping battery is charged as much as possible in a stable environment, thereby reducing the loss caused by the battery swapping battery when being charged in an unstable environment, and further being beneficial to ensuring the safety and the service life of the battery swapping battery.
Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
It is further 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.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A charging control method for battery replacement is applied to a battery management system and is characterized by comprising the following steps:
when receiving charging instruction information for charging a battery replacement battery, detecting a network access state of the battery replacement battery and acquiring current geographical position information of the battery replacement battery;
when the network access state is network access and the battery replacement battery is determined to be outside the battery replacement station according to the current geographical position information, acquiring the current chargeable times of charging the battery replacement battery outside the battery replacement station;
and when the current chargeable times are larger than or equal to a first preset time, sending a charging signal to the whole vehicle controller, and entering a charging process, wherein the first preset time is larger than zero.
2. The charge control method according to claim 1, wherein after the step of entering the charge flow, the charge control method further comprises:
when the battery replacement battery is determined to be charged, subtracting 1 from the current chargeable times to obtain updated chargeable times;
when the updated chargeable times are less than or equal to a second preset times, sending a first indication signal for prompting that the chargeable times are insufficient to the vehicle control unit, wherein the second preset times are less than or equal to the first preset times;
and when the updated chargeable times are larger than the second preset times, sending a second indicating signal for prompting the updated chargeable times to the vehicle control unit.
3. The charge control method according to claim 1, wherein after the step of obtaining a current chargeable number of times that the charging battery is charged outside the charging station, the charge control method further comprises:
and when the current chargeable times are smaller than the first preset times, sending a third indication signal for prompting that the vehicle control unit cannot be charged currently.
4. The charge control method according to claim 1, wherein after the step of detecting the network access state of the battery swap battery and acquiring the current geographical location information of the battery swap battery, the charge control method further comprises:
and when the network access state is not network access and the battery replacement battery is determined to be outside the battery replacement station according to the current geographic position information, directly sending a charging signal to the vehicle control unit and entering a charging process.
5. The charge control method according to claim 1, wherein after the step of detecting the network access state of the battery swap battery and acquiring the current geographical location information of the battery swap battery, the charge control method further comprises:
when the network access state is network access and the battery replacement battery is determined to be in the battery replacement station according to the current geographical position information, sending a reset request signal for resetting the chargeable times to a charging controller of the battery replacement station;
receiving a reset signal sent by the charging controller according to the reset request signal;
resetting the charging times to a third preset time according to the reset signal, sending the charging signal to the charging controller, and entering the charging process, wherein the third preset time is the preset total charging times of the battery replacement station.
6. The charge control method according to claim 5, characterized in that after the step of entering the charge flow, the charge control method further comprises:
when the charging of the battery replacement battery is determined to be completed, the network access state of the battery replacement battery is obtained again;
when the network access state is not network access, adding 1 to the network access failure times;
when the network access failure times are smaller than a fourth preset time, sending a network access request signal to the charging controller;
and receiving the network access information sent by the charging controller, and acquiring the network access state of the battery replacement battery again.
7. The charge control method according to claim 6, wherein after the step of adding 1 to the number of network access failures when the network access status is not network access, the charge control method further comprises:
and when the network access failure times are equal to the fourth preset times, sending a fourth indication signal for prompting network access failure to the charging controller.
8. The charge control method according to claim 5, wherein after the step of detecting the network access state of the battery swap battery and acquiring the current geographical location information of the battery swap battery, the charge control method further comprises:
when the network access state is that the network is not accessed and the battery replacement battery is determined to be in the battery replacement station according to the current geographic position information, sending a network access request signal to the charging controller;
and receiving network access information sent by the charging controller, entering a step of sending the charging signal to the charging controller, and entering the charging process.
9. A battery management system, comprising:
the charging system comprises a first processing module, a second processing module and a charging module, wherein the first processing module is used for detecting the network access state of a battery replacement battery and acquiring the current geographical position information of the battery replacement battery when receiving charging instruction information for charging the battery replacement battery;
the second processing module is used for acquiring the current chargeable times of charging of the battery replacement battery outside the battery replacement station when the network access state is the network access state and the battery replacement battery is determined to be outside the battery replacement station according to the current geographical position information;
and the third processing module is used for sending a charging signal to the vehicle control unit and entering a charging process when the current chargeable times are greater than or equal to a first preset time, wherein the first preset time is greater than zero.
10. A charge control system for replacing a battery, comprising: a vehicle control unit on a battery replacement vehicle, a charge controller of a battery replacement station, and the battery management system of claim 9;
when the battery replacement vehicle is mounted on the battery replacement vehicle, the battery management system is connected with the vehicle control unit;
when the battery replacement battery is placed in the battery replacement station, the battery management system is connected with the charging controller.
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