CN115782583A - Storage battery anti-feed control method, system, equipment and storage medium - Google Patents
Storage battery anti-feed control method, system, equipment and storage medium Download PDFInfo
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- CN115782583A CN115782583A CN202211344248.0A CN202211344248A CN115782583A CN 115782583 A CN115782583 A CN 115782583A CN 202211344248 A CN202211344248 A CN 202211344248A CN 115782583 A CN115782583 A CN 115782583A
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- 238000004590 computer program Methods 0.000 claims description 10
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- 230000010354 integration Effects 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 6
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- 230000001887 anti-feedant effect Effects 0.000 claims description 3
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Abstract
The invention belongs to the technical field of application of batteries or storage batteries, and particularly relates to a storage battery anti-feed control method, a system, control equipment and a storage medium. In the control equipment, the control equipment comprises a zone controller, a storage battery and a first monitoring module, the control equipment further comprises a trigger, the storage battery is electrically connected with the first monitoring module, the zone controller is electrically connected with the first monitoring module, and the trigger is electrically connected with the zone controller. In the scheme, the time for generating the feed of the storage battery is estimated by combining the preset calibration parameters in the early stage with the effective capacity of the storage battery detected when the vehicle is powered OFF in the OFF gear, and the user is reminded to make a corresponding maintenance response based on the output of the external prompting device, so that the feed phenomenon of the storage battery is prevented. Therefore, the energy utilization rate of the storage battery can be effectively improved, the service life of the storage battery can be effectively prolonged, and the working mileage of the vehicle can be effectively prolonged.
Description
Technical Field
The invention belongs to the technical field of application of batteries or storage batteries, and particularly relates to a storage battery anti-feed system, a control method, a vehicle and a storage medium.
Background
The problem of new energy automobile feed is a pain point which is difficult to solve in the industry. The performance of the storage battery is seriously attenuated at low temperature, and the effective capacity is reduced by 20 to 50 percent. Therefore, the intelligent power supply logic is generated at the same time. The capacity of the storage battery is detected regularly, when the capacity is lower than se:Sub>A certain set lower limit value SOC-A, the DC/DC converter is awakened, the power battery charges the storage battery through the DC/DC, and when the power battery is charged to the SOC-B, the DC/DC converter is dormant. The problem of battery feed has been solved to a great extent to this scheme, but the length of time that the vehicle stood depends on power battery's residual capacity to a certain extent, and when power battery residual capacity was not enough, the intelligence was mended to the unable intelligence in the logic. Under the condition that an owner does not know the logic of intelligent power supply and does not timely charge the electric quantity of the power battery to an ideal SOC value, the storage battery feeding condition is easy to happen. Bringing a lot of inconvenience to the car owners.
Therefore, a solution capable of estimating the vehicle feed time and alerting the user is proposed.
Disclosure of Invention
The purpose of the invention is: aims to provide a storage battery anti-feed control method, a storage battery anti-feed control system, a storage battery anti-feed control device and a storage medium, which are used for solving the problem that the electric quantity of a power battery is not timely charged to an ideal state under the condition that a user does not know the logic of intelligent power supply
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
in a first aspect, an embodiment of the present application provides a storage battery anti-feed control method, which is applied to a control device, where the control device includes a region controller, a storage battery, and a first monitoring module, the control device further includes a trigger, the storage battery is electrically connected to the first monitoring module, the region controller is electrically connected to the first monitoring module, and the trigger is electrically connected to the region controller, where the method includes the following steps:
s1: when the trigger receives a trigger signal, the zone controller is controlled to send a detection requirement to the first monitoring module;
s2: when the detection requirement is received, controlling the first monitoring module to acquire the effective capacity of the storage battery and transmitting the effective capacity to the regional controller;
s3: and when the effective capacity is received, controlling the regional controller to pre-estimate the feeding time of the storage battery by combining with preset calibration parameters.
The control device further comprises a power battery and a second monitoring module, the power battery is electrically connected with the second monitoring module, the second monitoring module is electrically connected with the zone controller, the calibration parameters comprise a self-discharge rate of the storage battery, a shallow sleep dark current, a deep sleep dark current, the power consumption of the whole vehicle after the trigger receives the trigger signal, the precision of the effective capacity obtained by the first monitoring module, the high-voltage power and the duration time on the second monitoring module, the minimum capacity of the high-voltage power consumption of the whole vehicle supported by the storage battery, the shallow sleep time and the total capacity of the storage battery.
Further, obtaining the effective capacity includes: and after voltage and current parameters at two ends of the storage battery are collected, estimating the effective capacity of the storage battery based on Holman filtering, ampere-hour integration, dynamic correction and static correction.
In a second aspect, an embodiment of the present application provides a battery power feeding prevention system, which is applied to the control device according to the claims, and the power feeding prevention system includes:
the trigger unit is used for controlling the area controller to send a detection requirement to the first monitoring module when the trigger receives a trigger signal;
the acquisition unit is used for controlling the first monitoring module to acquire the effective capacity of the storage battery and transmitting the effective capacity to the region controller when receiving the detection requirement;
and the processing unit is used for controlling the region controller to pre-estimate the feeding time of the storage battery by combining with preset calibration parameters when the effective capacity is received.
Further, the trigger unit is coupled to the trigger, the acquisition unit is coupled to the first monitoring module, and the processing unit is coupled to the zone controller.
In a third aspect, an embodiment of the present application provides a control apparatus, further including a storage module, where a computer program is stored in the storage module, and when the computer program is executed by the zone controller, the control apparatus is caused to execute the method as described above.
Further, a transceiver is coupled to the zone controller, and the transceiver is electrically connected with the first monitoring module and the second monitoring module based on a CAN line.
In a fourth aspect, embodiments of the present application provide a computer-readable storage medium, in which a computer program is stored, and when the computer program runs on a computer, the computer is caused to execute the method as described above.
The invention adopting the technical scheme has the advantages that:
in the scheme, the time for generating the feed of the storage battery is estimated by combining the preset calibration parameters in the early stage with the effective capacity of the storage battery detected when the vehicle is powered OFF in the OFF gear, and the user is reminded to make a corresponding maintenance response based on the output of the external prompting device, so that the feed phenomenon of the storage battery is prevented. Therefore, the energy utilization rate of the storage battery can be effectively improved, the service life of the storage battery can be effectively prolonged, and the working mileage of a vehicle can be effectively prolonged.
Drawings
The invention is further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic structural diagram of an anti-feed control apparatus according to the present invention;
FIG. 2 is a schematic diagram of the connection of the electronic components of the anti-feed control system of the present invention;
fig. 3 is a schematic flow chart of the anti-feeding control method of the present invention.
The main element symbols are as follows:
10: a zone controller; 11: a transceiver; 20: a storage battery; 30: a power battery; 40: a first monitoring module; 50: a second monitoring module; 60: a trigger; 70: a trigger unit; 80: a collecting unit; 90: and a processing unit.
Detailed Description
The present invention will be described in detail with reference to the drawings and specific embodiments, wherein like reference numerals are used for similar or identical parts in the drawings or the description, and implementations not shown or described in the drawings are known to those of ordinary skill in the art. In addition, directional terms, such as "upper", "lower", "top", "bottom", "left", "right", "front", "rear", and the like, used in the embodiments are only directions referring to the drawings, and are not intended to limit the scope of the present invention.
As shown in fig. 1, the present invention provides a control apparatus including a zone controller 10, a storage battery 20, a power battery 30, a first monitoring module 40, and a second monitoring module 50. The first monitoring module 40 is electrically connected to the battery 20. The second monitoring module 50 is electrically connected to the power cell 30. The zone controller 10 is electrically connected to the first and second monitoring modules 40 and 50, respectively. The control device further comprises a trigger 60. The trigger 60 is electrically connected to the zone controller 10. The control device also includes a storage module.
The first monitoring module 40 is configured to obtain the current and voltage across the battery 20 and output the effective capacity of the battery 20 when a detection demand is received. The first monitoring module 40 estimates the effective capacity of the battery 20 through the huffman filtering, ampere-hour integration, dynamic correction, and static correction after collecting the current and voltage across the battery 20. The second monitoring module 50 is used to obtain the current and voltage across the power battery 30 and output the effective capacity of the power battery when a detection demand is received. The second monitoring module 50 estimates the effective capacity of the power battery through the huffman filtering, ampere-hour integration, dynamic correction and static correction after collecting the current and voltage at the two ends of the power battery 30. The first monitoring module 40 may be an IBS sensor (battery smart sensor). The second monitoring module 50 may be a BMS system (battery management system). The present application relates to a method for estimating the effective capacity of an IBS sensor to a battery 20: firstly, forming a self-adaptive AEKF estimation equation by combining Hulman filtering and ampere-hour integration, and simultaneously fitting and forming a discrete curve formed by terminal voltage and SOC (effective volume) of the battery during discharging and standing through a large amount of test data. In a fixed node, the deviation of the estimation of the AEKF equation is corrected by the SOC value obtained by measuring the terminal voltage, so that the requirement of equation precision is met (the separate Kalman filtering equation and the ampere-hour integral equation are mature and complex equations in the industry and are not described in detail herein). The second monitoring module 50 estimates the effective volume of the power cell 30 as described above.
The trigger 60 is used to control the zone controller 10 to place a detection demand, particularly when the vehicle is off static charging. The trigger 60 is set as an OFF key of the vehicle in the present application so that when the OFF gear of the vehicle is powered down, the power-down signal is recognized and judged by the zone controller 10, and then the collection and processing of the relevant battery effective capacity are performed.
The zone controller 10 is configured to issue a detection requirement and process the received effective capacity parameter, and estimate and output a time point of the battery 200 at which power feeding occurs, so as to remind a user of performing corresponding maintenance work. The zone controller 10 may be an MCU controller (microcontroller) of the vehicle. The area controller 10 is coupled with the transceiver 11, and the area controller 10 sends a detection request to the first monitoring module 40 based on the transceiver 11 when recognizing the down electric signal of the trigger 60. In this application, the transceiver 11 may be a CAN td transceiver, which is based on CAN bus transmission detection requirements.
The zone controller 10 may be externally connected to the in-vehicle entertainment system, so as to output the processed time point of the power feeding in a visual manner. The output means is not limited to only visual, auditory, tactile, and the like.
The storage module stores therein a computer program which, when executed by the zone controller 10, enables the control apparatus to perform the respective steps of the following control method:
s1: when the trigger 60 receives a trigger signal, controlling the zone controller 10 to send a detection requirement to the first monitoring module 40;
s2: when the detection requirement is received, controlling the first monitoring module 40 to acquire the effective capacity of the storage battery 20 and transmit the effective capacity to the region controller 10;
s3: and when the effective capacity is received, controlling the regional controller 10 to predict the feeding time of the storage battery by combining preset calibration parameters.
Referring to fig. 3 and fig. 1, in step S1, when the trigger 60 receives a trigger signal, the zone controller 10 is controlled to send a detection requirement to the first monitoring module 40. Specifically, when the owner presses the OFF gear to power OFF, the signal is transmitted to the inside of the area control through a hard wire or a network bus, the MCU of the area controller 10 receives the signal through the ADC digital-to-analog conversion interface or the CAN/LIN transceiver and transmits the signal to the MCU digital-to-analog conversion interface, the MCU of the microcontroller recognizes the power OFF signal, and the signal required for detecting the SOC of the battery residual capacity is transmitted to the first monitoring module 40 through the CAN transceiver.
In step S2, when the detection requirement is received, the first monitoring module 40 is controlled to acquire the effective capacity of the storage battery 20 and transmit the effective capacity to the zone controller 10. After a detection demand signal of the effective capacity of the battery is identified and received by the IBS controller, the IBS controller acquires parameters such as voltage and current at two ends of the storage battery, estimates the effective capacity SOC of the storage battery through the modes such as Holman filtering, ampere-hour integration, dynamic correction and static calibration, obtains the value of the effective capacity of the current storage battery SOC, and then sends the value of the effective capacity of the current storage battery to the CAN bus through the CAN transceiver.
In step S3, when the effective capacity is received, the zone controller 10 is controlled to estimate the feeding time of the storage battery according to the preset calibration parameter. After the area controller 10 identifies and receives the two parameters through the CAN transceiver, the MCU microcontroller pre-estimates the number of days for which the vehicle is about to feed by combining the pre-set calibration parameters and the pre-set processing algorithm, sends the estimated number of days to the in-vehicle entertainment system through the CAN bus, and displays the estimated number of days for which the vehicle is about to feed through the display screen to remind the vehicle owner. The calibration parameters preset at the previous stage may be stored in the storage unit of the zone controller 10, or may be obtained from other locations by calling. The calibration parameters comprise: the method comprises the steps that after the self-discharge rate A% of a storage battery, the light sleep dark current B and the deep sleep dark current C, OFF are shifted, the estimation accuracy E% of a whole vehicle power consumption D, IBS controller, the DC/DC high-voltage power F and the duration G, the storage battery supports the minimum capacity H% of the whole vehicle high-voltage power consumption, the light sleep hours Z and the total capacity K of the storage battery are achieved. The feeding time X of the storage battery can be obtained by processing the calibration parameters in combination with the effective capacity I% of the storage battery at the OFF gear acquired from the first monitoring module 40. The calibration parameters may be derived in advance based on product properties of the device itself and/or based on system detection. When the region controller 10 receives the effective capacity of the storage battery, the calibration parameters are automatically called to participate in the calculation of the processing scheme. Preferably, the treatment protocol may be as follows:
X＝(K*I％-K*H％-D-C*Z-K*A％)/(C*24)+Z
the embodiment of the application also provides a storage battery anti-feed control System, and the control System comprises at least one software functional module which can be stored in a storage module in the form of software or Firmware (Firmware) or solidified in an Operating System (OS) of the control device. The zone controller 10 is used to execute executable modules stored in the storage module, such as software function modules and computer programs included in the control device.
As shown in fig. 2, the battery anti-feeding system includes a triggering unit 70, an acquisition unit 80, and a processing unit 90. The trigger unit 70 is coupled to the trigger 60. The acquisition unit is coupled to the first monitoring module 40. The processing unit is coupled to the zone controller. The functions that each unit has may be as follows: a trigger unit 70, configured to control the area controller 10 to send a detection requirement to the first monitoring module 40 when the trigger 60 receives a trigger signal;
the acquisition unit 80, when receiving the detection requirement, controls the first monitoring module 40 to acquire the effective capacity of the storage battery 20 and transmit the effective capacity to the area controller 10;
and the processing unit 90 controls the area controller 10 to predict the feeding time of the storage battery by combining preset calibration parameters when the effective capacity is received.
In this embodiment, the storage module may be, but is not limited to, a random access memory, a read only memory, a programmable read only memory, an erasable programmable read only memory, an electrically erasable programmable read only memory, and the like. In this embodiment, the storage module may be used to store parameters such as calibration parameters on the area controller 10. Of course, the memory may also be used to store a program that is executed by the processing module upon receiving execution instructions.
It will be appreciated that the control arrangement shown in figure 1 is merely a schematic illustration of an arrangement and that the control device may also comprise more components than those shown in figure 1. The components shown in fig. 1 may be implemented in hardware, software, or a combination thereof.
It should be noted that, as will be clear to those skilled in the art, for convenience and brevity of description, the processes of triggering, acquiring, processing, and the like described above may refer to the corresponding processes of each step in the foregoing method, and will not be described in detail herein.
The present embodiments also provide a computer-readable storage medium. The computer-readable storage medium has stored therein a computer program that, when run on a computer, causes the computer to execute the control method of unbalanced charging and discharging as described in the above-described embodiments.
Preferably, the present application may also provide a vehicle including a vehicle body and the above-described electricity feeding prevention system.
From the above description of the embodiments, it is clear to those skilled in the art that the present application can be implemented by hardware, or by software plus a necessary general hardware platform, and based on such understanding, the technical solution of the present application can be embodied in the form of a software product, which can be stored in a non-volatile storage medium (which can be a CD-ROM, a usb disk, a removable hard disk, etc.), and includes several instructions to enable a computer device (which can be a personal computer, a control device, or a network device, etc.) to execute the method described in the embodiments of the present application.
In summary, the embodiment of the present application provides a method, a system, a control device and a storage medium for controlling battery anti-feed. In the scheme, the time for generating the feed of the storage battery is estimated by combining the preset calibration parameters in the early stage with the effective capacity of the storage battery detected when the vehicle is powered OFF at the OFF gear, and the user is reminded to make a corresponding maintenance response based on the output of the external prompting device, so that the storage battery is prevented from generating the feed phenomenon. Therefore, the energy utilization rate of the storage battery can be effectively improved, the service life of the storage battery can be effectively prolonged, and the working mileage of a vehicle can be effectively prolonged.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus, system, and method may be implemented in other ways. The apparatus, system, and method embodiments described above are merely illustrative and, for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions. In addition, functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist alone, or two or more modules may be integrated to form an independent part.
The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (8)
1. A storage battery anti-feeding control method applied to a control device, wherein the control device comprises a zone controller (10), a storage battery (20) and a first monitoring module (40), the storage battery (20) is electrically connected with the first monitoring module (40), the zone controller (10) is electrically connected with the first monitoring module (40), the control device further comprises a trigger (60), and the trigger (60) is electrically connected with the zone controller (10), and the method comprises the following steps:
s1: controlling the zone controller (10) to send a detection demand to the first monitoring module (40) when the trigger (60) receives a trigger signal;
s2: when the detection requirement is received, controlling the first monitoring module (40) to acquire the effective capacity of the storage battery (20) and transmit the effective capacity to the regional controller (10);
s3: and when the effective capacity is received, controlling the regional controller (10) to predict the feeding time of the storage battery by combining preset calibration parameters.
2. The storage battery anti-feed control method according to claim 1, wherein the control device further comprises a power battery (30) and a second monitoring module (50), the power battery (30) is electrically connected with the second monitoring module (50), the second monitoring module (50) is electrically connected with the zone controller (10), the calibration parameters comprise a storage battery self-discharge rate, a shallow sleep dark current, a deep sleep dark current, the power consumption of the whole vehicle after the trigger (60) receives a trigger signal, the precision of the effective capacity acquired by the first monitoring module (40), the high-voltage power and the duration time of the second monitoring module (50), the minimum capacity of the high-voltage power consumption of the whole vehicle supported by the storage battery (20), the shallow sleep time and the total capacity of the storage battery.
3. The battery anti-feed control method according to claim 1 or 2, characterized in that acquiring the effective capacity includes: after collecting the voltage and current parameters at the two ends of the storage battery (20), estimating the effective capacity of the storage battery (20) based on Hulman filtering, ampere-hour integration, dynamic correction and static correction.
4. A battery power feeding prevention system applied to the control device according to claim 1, comprising:
a trigger unit (70) which controls the zone controller (10) to send a detection demand to the first monitoring module (40) when the trigger (60) receives a trigger signal;
the acquisition unit (80) is used for controlling the first monitoring module (40) to acquire the effective capacity of the storage battery (20) and transmitting the effective capacity to the region controller (10) when the detection requirement is received;
and the processing unit (90) controls the region controller (10) to predict the feeding time of the storage battery by combining preset calibration parameters when the effective capacity is received.
5. The battery anti-feed system according to claim 4, characterized in that the trigger unit (70) is coupled to the trigger (60), the acquisition unit (80) is coupled to the first monitoring module (40), and the processing unit (90) is coupled to the zone controller (10).
6. A control device according to claim 2, characterized in that the control device further comprises a storage module having stored therein a computer program which, when executed by the zone controller (10), causes the control device to carry out the method according to any one of claims 1-3.
7. The control device according to claim 6, characterized in that a transceiver (11) is coupled to the zone controller (10), the transceiver (11) being electrically connected to the first monitoring module (40) and/or the second monitoring module (50) based on CAN lines.
8. A computer-readable storage medium, in which a computer program is stored which, when run on a computer, causes the computer to carry out the method according to any one of claims 1-3.
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