CN113561918B - Intelligent power supplementing method and system for storage battery of electric automobile - Google Patents
Intelligent power supplementing method and system for storage battery of electric automobile Download PDFInfo
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- CN113561918B CN113561918B CN202110800559.2A CN202110800559A CN113561918B CN 113561918 B CN113561918 B CN 113561918B CN 202110800559 A CN202110800559 A CN 202110800559A CN 113561918 B CN113561918 B CN 113561918B
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- 238000000034 method Methods 0.000 title claims abstract description 87
- 230000001502 supplementing effect Effects 0.000 title claims abstract description 52
- 230000008569 process Effects 0.000 claims description 52
- 230000005611 electricity Effects 0.000 claims description 33
- 230000002618 waking effect Effects 0.000 claims description 18
- 238000004590 computer program Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 10
- 230000003020 moisturizing effect Effects 0.000 claims 1
- 239000013589 supplement Substances 0.000 abstract description 15
- 239000002253 acid Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000019371 dormancy process Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
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- 238000011897 real-time detection Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
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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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Abstract
The invention discloses an intelligent power supplementing method and system for an electric automobile storage battery, wherein the method comprises the following steps: detecting the state of charge of the battery by a battery sensor; if the state of charge is lower than a first preset state threshold, the vehicle body controller is awakened through the storage battery sensor, and a power supplementing flow based on the awakening of the storage battery sensor is entered. The invention detects the residual electric quantity of the storage battery by detecting the charge state of the storage battery through the storage battery sensor, can accurately judge the residual electric quantity of the storage battery, supplements the electric quantity of the storage battery when the charge state of the storage battery is lower than the first preset state threshold value, and can avoid the occurrence of power shortage of the storage battery and avoid the false power supplement or untimely power supplement.
Description
Technical Field
The invention relates to the technical field of electric automobiles, in particular to an intelligent power supplementing method and system for an electric automobile storage battery.
Background
The new energy automobile is rapidly developed under the encouragement of national policies, and whether the new energy automobile is a pure electric automobile, a range-extending type hybrid electric automobile, a plug-in type hybrid electric automobile or a fuel cell automobile, a low-voltage storage battery such as a lithium battery or a lead-acid storage battery is required to be assembled to provide electric energy for starting and upper high voltage of the whole automobile, and meanwhile, when the automobile is parked and the network is sleeping, the low-voltage storage battery provides static current consumption for low-voltage electric appliances of the automobile, so that normal operation of a remote control function (such as remote mobile phone control for opening an air conditioner), detection of a vehicle state (such as periodic self-awakening detection of a battery safety state by an aerosol sensor in a battery pack) and an intelligent function (such as periodic self-awakening detection of whether a rainfall light sensor is raining so as to close a skylight, a door window and the like) of the automobile are ensured.
In general, the capacity of a low-voltage storage battery of a new energy automobile is relatively small, and the phenomenon of power shortage is easy to occur, so that the automobile cannot be unlocked normally and cannot be started.
Disclosure of Invention
The embodiment of the invention solves the technical problem of low-voltage storage battery power shortage in the prior art by providing the intelligent power supplementing method and the system for the storage battery of the electric automobile, can accurately judge the residual electric quantity of the low-voltage storage battery and supplement power for the low-voltage storage battery when the residual electric quantity is low, and avoids power shortage.
In one aspect, the present invention provides the following technical solutions according to an embodiment of the present invention:
an intelligent electricity supplementing method for an electric automobile storage battery comprises the following steps:
detecting a state of charge of the battery by a battery sensor;
and if the state of charge is lower than a first preset state threshold, waking up a vehicle body controller through the storage battery sensor, and entering a power supplementing flow based on the waking up of the storage battery sensor.
After the detecting the state of charge of the battery by the battery sensor, the method further includes:
and taking the finishing time or the exiting time of the last power supply flow as a timing starting point to perform timing, and if the timing duration reaches a first preset duration, automatically waking up the vehicle body controller to enter the power supply flow based on the automatic waking up.
Preferably, the current compensation process comprises:
if a first condition is met, the whole vehicle is awakened through the vehicle body controller, wherein the first condition comprises that the vehicle body controller is awakened successfully;
if the whole vehicle meets a second condition, the power supply voltage of the storage battery is switched on, wherein the second condition comprises that the whole vehicle is successfully awakened;
if the power supply voltage is successfully connected, the power supply of the storage battery is carried out;
and if the third condition is met, completing the electricity supplementing of the storage battery, wherein the third condition comprises that the state of charge is not smaller than a second preset state threshold value.
Preferably, if the vehicle body controller wakes up the battery sensor at the current time, the first condition includes:
the time interval between the finishing time of the current compensation process based on the wake-up of the storage battery sensor and the current time is larger than a second preset duration.
Preferably, the second condition includes: the power mode of the electric automobile is in a closed state, the front hatch of the electric automobile is closed, and the electric automobile is not in a software remote upgrading mode.
Preferably, the third condition further includes: and the duration that the charging current of the storage battery sensor is smaller than a preset current threshold value reaches a third preset duration or the duration that the storage battery is subjected to power-up reaches a fourth preset duration.
Preferably, after the vehicle meets the second condition and the power supply voltage of the storage battery is turned on, the current supply process further includes: if the power supply voltage is connected with the power supply failure, adding one to the number of times of power supply failure;
if the power supply voltage is successfully switched on, the power supply process also comprises the following steps of: resetting the number of times of power supply failure;
the first condition includes: the number of the power supply failure times is smaller than the preset failure times.
Preferably, if the power supply voltage is turned on successfully, after the power supply to the storage battery is performed, the power supply process further includes:
and if the fact that the user starts the electric automobile is detected in the electricity supplementing process, the electricity supplementing of the storage battery is stopped.
On the other hand, the invention also provides the following technical scheme:
an electric automobile battery intelligence benefit electric system, includes:
the charge state detection module is used for detecting the charge state of the storage battery through the storage battery sensor;
and the power supply flow control module is used for waking up the vehicle body controller through the storage battery sensor and entering a power supply flow based on the waking up of the storage battery sensor if the state of charge is lower than a first preset state threshold value.
Preferably, after the state of charge detection module detects the state of charge of the storage battery through the storage battery sensor, the current compensation control module is further configured to perform timing with a finishing time or an exiting time of a last current compensation process as a timing starting point, and if the timing duration reaches a first preset duration, autonomously wake up the vehicle body controller, and enter the current compensation process based on autonomous wake-up.
Preferably, in the power supply flow control module, the power supply flow includes:
if a first condition is met, the whole vehicle is awakened through the vehicle body controller, wherein the first condition comprises that the vehicle body controller is awakened successfully;
if the whole vehicle meets a second condition, the power supply voltage of the storage battery is switched on, wherein the second condition comprises that the whole vehicle is successfully awakened;
if the power supply voltage is successfully connected, the power supply of the storage battery is carried out;
and if the third condition is met, completing the electricity supplementing of the storage battery, wherein the third condition comprises that the state of charge is not smaller than a second preset state threshold value.
Preferably, if the vehicle body controller wakes up the battery sensor at the current time, the first condition includes:
the time interval between the finishing time of the current compensation process based on the wake-up of the storage battery sensor and the current time is larger than a second preset duration.
Preferably, the second condition includes: the power mode of the electric automobile is in a closed state, the front hatch of the electric automobile is closed, and the electric automobile is not in a software remote upgrading mode.
Preferably, the third condition further includes: and the duration that the charging current of the storage battery sensor is smaller than a preset current threshold value reaches a third preset duration or the duration that the storage battery is subjected to power-up reaches a fourth preset duration.
Preferably, in the electricity compensation flow control module, after the electricity compensation voltage of the storage battery is turned on if the whole vehicle meets the second condition, the electricity compensation flow further includes: if the power supply voltage is connected with the power supply failure, adding one to the number of times of power supply failure;
if the power supply voltage is successfully switched on, the power supply process also comprises the following steps of: resetting the number of times of power supply failure;
the first condition includes: the number of the power supply failure times is smaller than the preset failure times.
On the other hand, the invention also provides the following technical scheme:
an electronic device comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor realizes the intelligent power supplementing method of any one of the storage batteries of the electric automobile when executing the program.
On the other hand, the invention also provides the following technical scheme:
a computer readable storage medium, when executed, implements any one of the above-described electric vehicle battery intelligent power-up methods.
One or more technical solutions provided in the embodiments of the present invention at least have the following technical effects or advantages:
the charge state of the storage battery is detected through the storage battery sensor to detect the residual electric quantity of the storage battery, so that the residual electric quantity of the storage battery can be accurately judged, and the storage battery is charged when the charge state of the storage battery is lower than a first preset state threshold value, so that the phenomenon of power shortage of the storage battery can be avoided, and the situation that the power is wrongly charged or is not timely charged is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of an intelligent power supplementing method for an electric automobile storage battery;
FIG. 2 is a flow chart of the power supply flow of the present invention;
fig. 3 is a block diagram of the intelligent power supplementing system for the storage battery of the electric automobile.
Detailed Description
The embodiment of the invention solves the technical problem of low-voltage storage battery power shortage in the prior art by providing the intelligent power supplementing method for the storage battery of the electric automobile.
The technical scheme of the embodiment of the invention aims to solve the technical problems, and the overall thought is as follows:
an intelligent electricity supplementing method for an electric automobile storage battery comprises the following steps:
detecting the state of charge of the battery by a battery sensor;
if the state of charge is lower than a first preset state threshold, the vehicle body controller is awakened through the storage battery sensor, and a power supplementing flow based on the awakening of the storage battery sensor is entered.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
First, the term "and/or" appearing herein is merely an association relationship describing associated objects, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
As shown in fig. 1, the intelligent power supplementing method for the electric automobile storage battery of the embodiment includes:
step S1, detecting the charge state of a storage battery through a storage battery sensor;
and S2, if the state of charge is lower than a first preset state threshold, waking up the vehicle body controller through the storage battery sensor, and entering a power supplementing flow based on the waking up of the storage battery sensor.
The storage batteries in this embodiment are low-voltage storage batteries, and may be lithium batteries or lead-acid storage batteries.
In step S1, a battery sensor (EBS) is mounted on the negative electrode of the battery, and calculates and accurately obtains the state of charge (SOC) of the battery by detecting the terminal voltage, the charge-discharge current and the temperature of the battery and adopting an algorithm, so that the battery sensor can complete static learning or dynamic learning to ensure the accuracy of calculating the state of charge, and the algorithm for calculating the state of charge by the terminal voltage, the charge-discharge current and the temperature is a mature scheme, which is not described herein. The storage battery sensor has a self-awakening function, and can detect the state of charge of the storage battery in real time or periodically, and the storage battery sensor is awakened all the time due to the fact that the real-time detection can cause the storage battery sensor to be high in working current when the storage battery sensor is self-awakened, so that average current consumption in the vehicle dormancy process is high, and in order to reduce the average current consumption in the vehicle dormancy process, the storage battery sensor can be optimized to detect the state of charge of the storage battery periodically, and the period can be 1min.
In step S2, if the state of charge of the battery is lower than the first preset state threshold, it means that the battery power is lower at this time, and if the battery power is not timely supplied, the battery power may be insufficient, and at this time, the Body Controller (BCM) is awakened by the battery sensor, and a power supply flow based on the awakening of the battery sensor is entered. The high-voltage battery is also arranged in the general electric automobile, the low-voltage storage battery can be charged, and the electricity supplementing process is a process of supplementing electricity to the storage battery through the high-voltage battery, so that electricity supplementing can be carried out when the electric quantity of the storage battery is lower. Like this, this embodiment detects the residual capacity of battery through the state of charge of battery sensor detection battery, can accurately judge the residual capacity of battery to carry out the power filling to the battery when the state of charge of battery is less than first default state threshold value, can avoid the battery to appear the power shortage, avoid the mistake to mend the electricity or mend the electric untimely.
The first preset state threshold value can be adjusted according to the capacity of the storage battery and the static power consumption condition of the whole vehicle, and can take different values, such as 75%.
In addition, for detecting the residual electricity quantity of the storage battery, the embodiment can be realized by detecting the power supply voltage of the vehicle body controller, and when the power supply voltage is detected to be lower than the set alarm threshold value, the whole vehicle network is awakened, and the high-voltage power supply is connected for supplementing electricity. However, as the circuit from the storage battery to the vehicle body controller is longer, the voltage drop caused by the wire resistance of the wire is considered, the power supply voltage detected by the vehicle body controller is lower than the actual voltage of the storage battery, and the situation that the storage battery is not in shortage and is in false power supply can occur; in addition, if the storage battery is a lead-acid storage battery, the phenomenon of electrolyte layering exists in the lead-acid storage battery, and the relation between the voltage and the state of charge is changed by the electrolyte layering, so that the electric quantity error of the lead-acid storage battery is larger when the voltage is relied on to detect, the condition that the lead-acid storage battery is already in power shortage but not in power supply can occur, namely, the power supply is not in time. In the embodiment, the residual electric quantity is judged by detecting the charge state of the storage battery, so that the residual electric quantity of the storage battery can be accurately judged, the error electricity supplementing is avoided, and the untimely electricity supplementing is avoided when the storage battery is a lead-acid storage battery.
In this embodiment, the battery sensor may not successfully complete static learning or dynamic learning, which makes it difficult to accurately detect the state of charge, and further, cannot accurately determine the state of power failure of the battery, and may not wake up the vehicle body controller for a long time, so that the battery sensor cannot enter a power supplementing process based on wake-up of the battery sensor, and the intelligent power supplementing method fails.
In order to solve the above problem, after the preferred step S1, the method for intelligent power-up of the storage battery according to this embodiment further includes: and taking the finishing time or the exiting time of the last power supply flow as a timing starting point to perform timing, and if the timing time reaches a first preset time, automatically waking up the vehicle body controller to enter the power supply flow based on the automatic waking up.
The power supply flow of the embodiment can be divided into a power supply flow based on the wake-up of the storage battery sensor and a power supply flow based on the autonomous wake-up, wherein the only difference between the power supply flow and the power supply flow is that the wake-up means of the vehicle body controller are different, the power supply flow is that the storage battery sensor wakes up, and the power supply flow is that the vehicle body controller wakes up autonomously. The time of the last power-up process is used as the starting point of timing, and the timing time reaches the first preset time, which can be understood as the time of the first preset time after the last power-up process is completed or the last power-up process is stopped. The last current compensation process can be the current compensation process based on the awakening of the storage battery sensor or the current compensation process based on the autonomous awakening. It can be understood that if the battery sensor is disabled all the time, the method is equivalent to entering the power supply flow based on autonomous wake-up with the first preset duration as a period; if the last power supply process is the power supply process based on autonomous wake-up, the last power supply process is the power supply process based on the wake-up of the storage battery sensor, and the current power supply process is the power supply process based on the autonomous wake-up, the time interval between the last power supply process and the current power supply process is a first preset duration, and the time interval between the two power supply processes based on the autonomous wake-up is necessarily longer than the first preset duration. The completion time is the time when the power supply is successfully completed, the exit time is the time when the power supply is started after the power supply is high-voltage, but the power supply is not successfully completed due to some reasons, and the vehicle is started by a user when the power supply is detected in the power supply process due to some reasons. In this embodiment, if the battery sensor does not learn successfully, the vehicle body controller cannot be awakened, and then the vehicle body controller is awakened autonomously and the battery is supplied with power after the last power supply is completed or withdrawn and the first preset time period elapses, so that the battery can be supplied with power actively in time when the battery is not supplied with power for a long time, and battery power shortage caused by failure of the battery sensor is avoided.
The first preset duration may be 12h, or may be determined according to actual needs.
Specifically, as shown in fig. 2, the power compensation process based on the wake-up of the storage battery sensor or the power compensation process based on the autonomous wake-up includes:
s21, if a first condition is met, the whole vehicle is awakened through the vehicle body controller, wherein the first condition comprises that the vehicle body controller is successfully awakened;
step S22, if the whole vehicle meets a second condition, the power supply voltage of the storage battery is switched on, and the second condition comprises that the whole vehicle is successfully awakened;
step S23, if the power supply voltage is successfully switched on, the power supply of the storage battery is carried out;
and step S24, if the third condition is met, completing the electricity supplementing of the storage battery, wherein the third condition comprises that the charge state of the storage battery is not less than a second preset state threshold value.
The state of charge is not less than a second preset state threshold, which represents that the residual electric quantity of the storage battery is higher, the purpose of supplementing electricity is achieved, and the electricity supplementing of the storage battery can be completed, namely, the electricity supplementing is finished, and the second preset state threshold can be 100%. The electricity supplementing flow based on the awakening of the storage battery sensor is as follows: when the EBS detects that the SOC of the storage battery is lower than 75%, the BCM is awakened through the LIN bus, the BCM is judged to be lower than 75% after being awakened, the BCM sends a network management message to wake up the whole vehicle, the BCM continuously sends a signal to request high voltage on a whole Vehicle Controller (VCU), namely, the power supply voltage is connected, the storage battery is supplied with power through the high voltage, and the power supply flow is ended after the power supply is successfully completed; the electricity supplementing flow based on autonomous wake-up is as follows: when the storage battery is continuously supplied with power for 12 hours, the BCM is automatically awakened, a network management message is sent to wake up the whole vehicle, the BCM continuously sends a signal to request high voltage on a whole Vehicle Controller (VCU), namely, the power supply voltage is connected, the storage battery is supplied with power through the high voltage, and the power supply flow is ended after the power supply is successfully completed.
In addition, in step S24, it is also conceivable to terminate the recharging depending on the detected voltage reaching the threshold requirement, but when the battery is a lead-acid battery, the voltage of the lead-acid battery rises faster during charging, and the voltage of the battery drops after standing, because of the existence of the battery float, if the recharging is completed depending on the detected voltage reaching the threshold requirement during recharging, the battery cannot be fully charged. In this embodiment, the recharging is ended when the state of charge of the storage battery is not less than the second preset state threshold, so that the recharging is fully performed when the storage battery is a lead-acid storage battery.
Wherein the third condition may further include: the duration that the charging current of the storage battery sensor is smaller than the preset current threshold reaches a third preset duration or the duration that the storage battery is charged reaches a fourth preset duration. The duration that the charging current of the storage battery sensor is smaller than the preset current threshold reaches the third preset duration, which represents that the charging current is insufficient, and the battery cannot be continuously maintained to be charged, so that the charging can be normally ended when the charging current is insufficient. And the duration time for supplementing the power to the storage battery reaches a fourth preset time length, namely the power supplementing time length reaches a preset power supplementing time length, and the power supplementing can be normally ended. Wherein, the preset current threshold value can be 0.5A, and the third preset time period can be 15min; when the power supply flow is based on the wake-up of the storage battery sensor, the fourth preset duration can be 2h; when the power supply flow is based on autonomous wake-up, the fourth preset duration may be 0.5h.
Generally, the charge receiving capability of the storage battery can be reduced in a low-temperature environment or after the storage battery is aged, the electric quantity of the storage battery is slightly increased relative to the electric quantity before the electric supplement after the electric supplement time reaches a set threshold value and the electric supplement is terminated, and in the electric supplement process based on the wake-up of the storage battery sensor, the state of charge is detected to be lower than a first preset state threshold value again after the last electric supplement is completed and an interval is short, so that the electric supplement process based on the wake-up of the storage battery sensor is entered again, and the electric consumption of the whole vehicle and the service life of a high-voltage system are influenced.
In order to solve the above problem, in this embodiment, preferably, if the vehicle body controller wakes up for the battery sensor at the current time, the first condition includes: the time interval between the finishing moment and the current moment of the current power supply flow based on the wake-up of the storage battery sensor is larger than the second preset duration. When the state of charge is detected to be lower than the first preset state threshold, if the time of the last power supply flow which is awakened based on the storage battery sensor at the current moment does not reach the second preset time length, the whole vehicle is not awakened, the reduction of the storage battery charging receiving capacity caused by the factors such as aging of the storage battery, low-temperature environment and the like can be avoided, and the situation of frequently starting power supply is avoided, so that the influence on the electric energy consumption of the whole vehicle and the service life of a high-voltage system is avoided.
The second preset duration may be 12h, or may be determined according to actual needs.
For safety, when the front hatch cover of the electric automobile is opened, high voltage is not allowed to be applied, and the power supply to the storage battery can only be carried out in the state that the vehicle is powered down and dormant and software remote upgrading is not carried out, so that the second condition comprises: the power mode of the electric automobile is in a closed state, the front hatch of the electric automobile is closed, and the electric automobile is not in a software remote upgrading mode.
In this embodiment, when the remaining power of the storage battery is detected to be too low, the whole vehicle is awakened, and high voltage is requested to be supplied, for example, if the high voltage system fails to supply the high voltage normally, the BCM can wake up the whole vehicle all the time to supply the power repeatedly, so that the power shortage of the storage battery is aggravated. In order to solve the above problem, in this embodiment, after the battery is turned on if the whole vehicle satisfies the second condition, the current compensation process further includes: if the power-on failure of the power-on voltage occurs, adding one to the power-on failure times; if the power supply voltage is successfully connected, the power supply process further comprises the following steps of: resetting the number of times of power failure; the first condition includes: the number of power-up failure times is smaller than the preset number of failure times. Therefore, when the number of continuous high-voltage failures reaches the preset failure number, the BCM does not wake up the whole vehicle network any more, the electric energy consumption of the storage battery is reduced, and the aggravation of power shortage is avoided. If the power supply voltage is not connected, the corresponding current compensation process based on the battery sensor is not completed, if the last current compensation process based on the battery sensor is not completed, the corresponding current compensation process based on the battery sensor is still the nth time, and the time interval between the last current compensation process based on the battery sensor and the last current compensation process is necessarily longer than the second preset time, so that the whole vehicle can be directly awakened.
The number of preset failures can be 3, and can be determined according to actual needs.
As mentioned above, the power supply needs to be performed in the vehicle power-down sleep state, so that the user needs to exit the power supply if he starts the vehicle. In this embodiment, if the power supply voltage is turned on successfully, the power supply process further includes: and if the user is detected to start the electric automobile in the electricity supplementing process, the electricity supplementing of the storage battery is stopped. This may exit the power replenishment process when the user starts the vehicle. If the battery sensor fails and does not supplement electricity within the first preset time, the next time the battery sensor enters the electricity supplementing process based on autonomous wake-up is started at the time of exiting the battery to supplement electricity.
The embodiment also provides an intelligent power supplementing system for an electric automobile storage battery, as shown in fig. 3, comprising: the charge state detection module is used for detecting the charge state of the storage battery through the storage battery sensor;
and the power supply flow control module is used for waking up the vehicle body controller through the storage battery sensor and entering a power supply flow based on the waking up of the storage battery sensor if the state of charge is lower than a first preset state threshold value.
The intelligent electric vehicle storage battery power supplementing system detects the residual electric quantity of the storage battery through the state of charge of the storage battery detected by the storage battery sensor, can accurately judge the residual electric quantity of the storage battery, supplements the electric quantity of the storage battery when the state of charge of the storage battery is lower than a first preset state threshold value, can avoid the occurrence of power shortage of the storage battery, and avoids the situation that the power is supplemented by mistake or is not timely.
Further, after the state of charge detection module detects the state of charge of the storage battery through the storage battery sensor, the current compensation control module is further used for timing by taking the finishing time or the exiting time of the last current compensation process as a timing starting point, and if the timing duration reaches the first preset duration, the vehicle body controller is automatically awakened, and the current compensation process based on the automatic awakening is entered. If the accumulator sensor does not learn successfully, the accumulator sensor can not wake up the accumulator controller, and the accumulator sensor can wake up the accumulator controller automatically and supplement electricity after the last electricity supplement is completed or withdrawn and the first preset time is passed, so that the accumulator can be timely and actively supplemented when the accumulator is not supplemented for a long time, and the accumulator sensor is prevented from losing electricity due to the failure of the accumulator sensor.
Further, in the current compensation flow control module, the current compensation flow includes:
if the first condition is met, the whole vehicle is awakened through the vehicle body controller, wherein the first condition comprises that the vehicle body controller is awakened successfully; if the whole vehicle meets the second condition, the power supply voltage of the storage battery is switched on, and the second condition comprises that the whole vehicle is successfully awakened; if the power supply voltage is successfully switched on, the power supply of the storage battery is carried out; and if the third condition is met, completing the power supply of the storage battery, wherein the third condition comprises that the state of charge is not less than a second preset state threshold value. Therefore, the charging of the storage battery can be realized through the flow, and the charging is finished when the state of charge of the storage battery is not smaller than the second preset state threshold value, so that the charging is fully charged when the storage battery is a lead-acid storage battery.
If the vehicle body controller wakes up for the storage battery sensor at the current moment, the first condition comprises: the time interval between the finishing moment and the current moment of the current power supply flow based on the wake-up of the storage battery sensor is larger than the second preset duration. If the current time is not longer than the second preset time length from the last time of the power supply flow based on the wake-up of the storage battery sensor, the whole vehicle is not woken up, the reduction of the storage battery charging receiving capacity caused by the factors of aging of the storage battery, low-temperature environment and the like can be avoided, the condition of frequently starting power supply is avoided, and the influence on the electric energy consumption of the whole vehicle and the service life of a high-voltage system is avoided.
The second condition includes: the power mode of the electric automobile is in a closed state, the front hatch of the electric automobile is closed, and the electric automobile is not in a software remote upgrading mode.
The third condition further includes: the duration that the charging current of the storage battery sensor is smaller than the preset current threshold reaches a third preset duration or the duration that the storage battery is charged reaches a fourth preset duration.
In the power supply flow control module, if the whole vehicle meets the second condition, after the power supply voltage of the storage battery is connected, the power supply flow further comprises: if the power-on failure of the power-on voltage occurs, adding one to the power-on failure times; if the power supply voltage is successfully connected, the power supply process further comprises the following steps of: resetting the number of times of power failure; the first condition includes: the number of power-up failure times is smaller than the preset number of failure times. Therefore, when the number of continuous high-voltage failures reaches the preset failure number, the BCM does not wake up the whole vehicle network any more, the electric energy consumption of the storage battery is reduced, and the aggravation of power shortage is avoided.
Based on the same inventive concept as the intelligent power-up method of the electric automobile storage battery, the embodiment also provides an electronic device, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor realizes any method step of the intelligent power-up method of the electric automobile storage battery when executing the program.
Where a bus architecture (represented by a bus), a bus may comprise any number of interconnected buses and bridges, linking together various circuits, including one or more processors, as represented by a processor, and a memory, as represented by a memory. The bus may also link together various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., as are well known in the art and, therefore, will not be further described herein. The bus interface provides an interface between the bus and the receiver and transmitter. The receiver and the transmitter may be the same element, i.e. a transceiver, providing a unit for communicating with various other apparatus over a transmission medium. The processor is responsible for managing the bus and general processing, while the memory may be used to store data used by the processor in performing operations.
Since the electronic device described in this embodiment is an electronic device used to implement the intelligent power-up method for an electric vehicle battery in this embodiment, based on the intelligent power-up method for an electric vehicle battery described in this embodiment, those skilled in the art can understand the specific implementation manner of the electronic device in this embodiment and various modifications thereof, so how the electronic device implements the method in this embodiment of the invention will not be described in detail herein. As long as the person skilled in the art implements the electronic equipment adopted by the intelligent power supplementing method for the storage battery of the electric automobile in the embodiment of the invention, the electronic equipment belongs to the scope of protection required by the invention.
Based on the same invention conception as the intelligent power supplementing method of the storage battery of the electric automobile, the invention also provides a computer readable storage medium which realizes the intelligent power supplementing method of any storage battery of the electric automobile when being executed.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (7)
1. An intelligent power supplementing method for an electric automobile storage battery is characterized by comprising the following steps of:
detecting the state of charge of the battery by a battery sensor;
if the state of charge is lower than a first preset state threshold, waking up a vehicle body controller through the storage battery sensor, and entering a power supplementing flow based on the waking up of the storage battery sensor;
after the detecting the state of charge of the battery by the battery sensor, the method further includes: taking the finishing time or the exiting time of the last power supply flow as a timing starting point to perform timing, and if the timing duration reaches a first preset duration, automatically waking up the vehicle body controller to enter the power supply flow based on the automatic waking up;
the current compensation process based on the awakening of the storage battery sensor comprises the following steps:
if a first condition is met, the whole vehicle is awakened through the vehicle body controller, wherein the first condition comprises that the vehicle body controller is successfully awakened and the time interval between the finishing time and the current time of the power supply flow which is awakened last time based on the storage battery sensor is longer than a second preset duration;
if the whole vehicle meets a second condition, the power supply voltage of the storage battery is switched on, wherein the second condition comprises that the whole vehicle is successfully awakened;
if the power supply voltage is successfully connected, the power supply of the storage battery is carried out;
and if the third condition is met, completing the electricity supplementing of the storage battery, wherein the third condition comprises that the state of charge is not smaller than a second preset state threshold value.
2. The intelligent power supplementing method for an electric automobile storage battery according to claim 1, wherein the second condition comprises: the power mode of the electric automobile is in a closed state, the front hatch of the electric automobile is closed, and the electric automobile is not in a software remote upgrading mode.
3. The intelligent power supplementing method for an electric automobile storage battery according to claim 1, wherein the third condition further comprises: and the duration that the charging current of the storage battery sensor is smaller than a preset current threshold value reaches a third preset duration or the duration that the storage battery is subjected to power-up reaches a fourth preset duration.
4. The intelligent power supply method for the storage battery of the electric automobile according to claim 1, wherein after the power supply voltage of the storage battery is turned on if the whole automobile meets the second condition, the power supply process further comprises: if the power supply voltage is connected with the power supply failure, adding one to the number of times of power supply failure;
if the power supply voltage is successfully switched on, the power supply process also comprises the following steps of: resetting the number of times of power supply failure;
the first condition includes: the number of the power supply failure times is smaller than the preset failure times.
5. An electric automobile battery intelligence moisturizing system, its characterized in that includes:
the charge state detection module is used for detecting the charge state of the storage battery through the storage battery sensor;
the power supply flow control module is used for waking up a vehicle body controller through the storage battery sensor if the state of charge is lower than a first preset state threshold value, and entering a power supply flow based on the waking up of the storage battery sensor;
the state of charge detection module is used for detecting the state of charge of the storage battery through the storage battery sensor, and the power supply flow control module is also used for timing by taking the finishing moment or the exiting moment of the last power supply flow as a timing starting point, and if the timing duration reaches a first preset duration, the vehicle body controller is automatically awakened to enter the power supply flow based on the automatic awakening;
the current compensation process based on the awakening of the storage battery sensor comprises the following steps:
if a first condition is met, the whole vehicle is awakened through the vehicle body controller, wherein the first condition comprises that the vehicle body controller is successfully awakened and the time interval between the finishing time and the current time of the power supply flow which is awakened last time based on the storage battery sensor is longer than a second preset duration;
if the whole vehicle meets a second condition, the power supply voltage of the storage battery is switched on, wherein the second condition comprises that the whole vehicle is successfully awakened;
if the power supply voltage is successfully connected, the power supply of the storage battery is carried out;
and if the third condition is met, completing the electricity supplementing of the storage battery, wherein the third condition comprises that the state of charge is not smaller than a second preset state threshold value.
6. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the method for intelligent recharging of an electric vehicle battery according to any of claims 1-4 when executing the program.
7. A computer readable storage medium, wherein the computer readable storage medium when executed implements the method for intelligent recharging of an electric vehicle battery according to any of claims 1-4.
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| CN113997788A (en) * | 2021-11-01 | 2022-02-01 | 一汽奔腾轿车有限公司 | Automatic power supply control method for low-voltage storage battery of electric vehicle |
| CN114161931A (en) * | 2021-12-03 | 2022-03-11 | 一汽奔腾轿车有限公司 | New energy vehicle type storage battery electricity supplementing control method |
| CN115503483A (en) * | 2022-08-31 | 2022-12-23 | 重庆金康赛力斯新能源汽车设计院有限公司 | Dual electricity supplementing method, device, equipment and medium for electric vehicle battery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108081983A (en) * | 2017-12-06 | 2018-05-29 | 中能绿驰成都汽车科技有限公司 | A kind of control system and control method for preventing discharged or defective battery |
| CN111376721A (en) * | 2018-12-28 | 2020-07-07 | 观致汽车有限公司 | Electric vehicle storage battery power supplementing method and system based on alarm clock mode |
| CN111845455A (en) * | 2020-07-27 | 2020-10-30 | 北京罗克维尔斯科技有限公司 | Charging control method and device for storage battery of electric vehicle |
| CN112918320A (en) * | 2021-03-18 | 2021-06-08 | 阿尔特汽车技术股份有限公司 | Method and system for supplementing electricity to low-voltage storage battery of electric new energy vehicle |
| CN112918322A (en) * | 2021-03-18 | 2021-06-08 | 阿尔特汽车技术股份有限公司 | Charging method and system for low-voltage storage battery of new energy automobile |
-
2021
- 2021-07-15 CN CN202110800559.2A patent/CN113561918B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108081983A (en) * | 2017-12-06 | 2018-05-29 | 中能绿驰成都汽车科技有限公司 | A kind of control system and control method for preventing discharged or defective battery |
| CN111376721A (en) * | 2018-12-28 | 2020-07-07 | 观致汽车有限公司 | Electric vehicle storage battery power supplementing method and system based on alarm clock mode |
| CN111845455A (en) * | 2020-07-27 | 2020-10-30 | 北京罗克维尔斯科技有限公司 | Charging control method and device for storage battery of electric vehicle |
| CN112918320A (en) * | 2021-03-18 | 2021-06-08 | 阿尔特汽车技术股份有限公司 | Method and system for supplementing electricity to low-voltage storage battery of electric new energy vehicle |
| CN112918322A (en) * | 2021-03-18 | 2021-06-08 | 阿尔特汽车技术股份有限公司 | Charging method and system for low-voltage storage battery of new energy automobile |
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