Battery feedback adjusting method and device, electronic equipment and readable storage medium

Abstract

The invention provides a battery feedback adjusting method and device, electronic equipment and a readable storage medium. The battery feedback adjusting method comprises the following steps: monitoring the highest monomer voltage of a vehicle battery when the vehicle battery permits continuous feedback current; judging whether a pre-current-reducing strategy is triggered or not when the highest single voltage reaches a voltage difference of a pre-overvoltage voltage threshold value; the pre-overvoltage voltage threshold value is lower than an overvoltage voltage threshold value; if not, returning to continuously execute the monitoring of the maximum monomer voltage of the vehicle battery when the continuous feedback current allowed by the vehicle battery is allowed; and if yes, executing the pre-flow-reducing strategy. Therefore, the kinetic energy is effectively recovered by triggering the current reduction strategy in advance, slowing down the voltage rising speed and reducing the triggering frequency of the current reduction strategy in advance.

Description

Technical Field

[0001] This invention relates to the field of energy recovery technology, and in particular to a battery feedback regulation method, apparatus, electronic device, and readable storage medium. Background Technology

[0002] The related technology employs a voltage threshold-based dynamic feedback regulation method. A preset voltage threshold is established, and when the voltage approaches this threshold, a regulation strategy is triggered. Furthermore, the feedback current is dynamically adjusted based on the degree to which the voltage deviates from the threshold.

[0003] However, when the voltage of the relevant technology reaches the voltage threshold, the pre-current reduction strategy will significantly reduce or cut off the feedback current once it is triggered, resulting in a large amount of kinetic energy not being effectively recovered. Summary of the Invention

[0004] This application provides an improved battery feedback regulation method, apparatus, electronic device, and readable storage medium.

[0005] This application provides a battery feedback regulation method, including:

[0006] Monitor the highest single-cell voltage of the vehicle battery when the vehicle battery is allowed continuous feedback current;

[0007] Determine whether a pre-current reduction strategy is triggered if the voltage difference between the highest single-cell voltage and the pre-overvoltage threshold is lower than the overvoltage threshold.

[0008] If not, return to continue monitoring the highest single-cell voltage of the vehicle battery when the vehicle battery is allowed continuous feedback current;

[0009] If so, then execute the pre-draining strategy.

[0010] Furthermore, the pre-current reduction strategy includes:

[0011] At the current value corresponding to the maximum available power during continuous feedback of the battery, the feedback current is reduced to a preset target value by reducing the current at a fixed rate.

[0012] Furthermore, the step of reducing the feedback current to a preset target value at a fixed rate, based on the current value corresponding to the maximum available power during continuous battery feedback, includes:

[0013] At the current value corresponding to the maximum available power during continuous battery feedback, the feedback current is reduced at a fixed rate to reach the preset feedback current target value.

[0014] Furthermore, the fixed current reduction rate includes multiple current reduction rates, and each current reduction rate corresponds to a different current reduction range and the target value of the feedback current; the multiple current reduction rates include a maximum current reduction rate, and the maximum current reduction rate has the highest priority.

[0015] At the current value corresponding to the maximum available power during continuous battery feedback, the feedback current is reduced to the corresponding target value by using the maximum current reduction rate, starting from the highest priority of the current reduction intervals, according to the priority order of the current reduction intervals.

[0016] Furthermore, the method also includes:

[0017] If, while using the maximum current reduction rate, it is detected that the voltage difference is gradually increasing and the highest single-cell voltage is higher than the exit threshold for exiting the pre-current reduction strategy, then according to the priority order of the current reduction intervals, the current reduction rate corresponding to the second highest priority is used to reduce the feedback current to reach the corresponding feedback current target value.

[0018] or,

[0019] If, while using the maximum current reduction rate, the voltage difference is detected to gradually increase for a preset time, then according to the priority order of the current reduction intervals, the current reduction rate corresponding to the second highest priority is used to reduce the feedback current to reach the corresponding target value.

[0020] Furthermore, the method also includes:

[0021] The pre-overvoltage threshold is obtained using the following method:

[0022] Receive test experience scores from different drivers for different pre-overvoltage voltage thresholds; the different pre-overvoltage voltage thresholds are configured based on the battery characteristics of the vehicle, with at least one voltage value lower than the overvoltage voltage threshold; determine the test experience scores that meet the usage conditions of the pre-overvoltage voltage thresholds;

[0023] Determine whether the test experience scores determined by the different drivers are consistent;

[0024] If so, save the pre-overvoltage threshold corresponding to the consistency of the test perception scores, and delete the pre-overvoltage threshold corresponding to the inconsistency of the test perception scores.

[0025] This application provides a battery feedback regulation device, comprising:

[0026] The highest single-cell voltage monitoring module is used to monitor the highest single-cell voltage of the vehicle battery under the continuous feedback current allowed by the vehicle battery.

[0027] The pre-current reduction strategy triggering judgment module is used to determine whether the pre-current reduction strategy is triggered when the voltage difference between the highest single-cell voltage and the pre-overvoltage voltage threshold is lower than the overvoltage voltage threshold.

[0028] The judgment execution module is used to, if not, return to continue executing the monitoring of the highest single cell voltage of the vehicle battery when the continuous feedback current allowed by the vehicle battery is reached; if yes, the pre-current reduction strategy is executed.

[0029] This application provides an electronic device including one or more processors for implementing the method described in any of the preceding claims.

[0030] This application provides a computer-readable storage medium having a program stored thereon that, when executed by a processor, implements the method described in any of the preceding claims.

[0031] This application provides a computer program product, including a computer program / instructions that, when executed by a processor, implement the method described in any of the preceding claims.

[0032] In some embodiments, the battery feedback regulation method of this application triggers a pre-current reduction strategy when there is a certain voltage difference before the highest single-cell voltage of the battery reaches a pre-overvoltage threshold, rather than intervening only after the voltage reaches or exceeds the voltage threshold. Thus, by triggering the current reduction strategy in advance, the rate of voltage rise is slowed, the triggering frequency of the pre-current reduction strategy is reduced, and kinetic energy is effectively recovered. Attached Figure Description

[0033] Figure 1 The diagram shown is a flowchart of the battery feedback regulation method provided in an embodiment of this application;

[0034] Figure 2 As shown Figure 1 A schematic diagram illustrating the process of obtaining the pre-overvoltage threshold in the battery feedback regulation method shown.

[0035] Figure 3 The diagram shown is a schematic representation of the battery feedback regulation device provided in an embodiment of this application.

[0036] Figure 4 The diagram shown is a structural schematic of an electronic device provided in an embodiment of this application. Detailed Implementation

[0037] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numerals in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with one or more embodiments of this specification. Rather, they are merely examples of apparatuses and methods consistent with some aspects of one or more embodiments of this specification as detailed in the appended claims.

[0038] It should be noted that the steps of the corresponding methods are not necessarily performed in the order shown and described in this specification in other embodiments. In some other embodiments, the methods may include more or fewer steps than described in this specification. Furthermore, a single step described in this specification may be broken down into multiple steps in other embodiments; and multiple steps described in this specification may be combined into a single step in other embodiments.

[0039] To address the technical problem that the aforementioned pre-current reduction strategy, once triggered, significantly reduces or cuts off the feedback current, resulting in a large amount of kinetic energy not being effectively recovered, a battery feedback regulation method according to an embodiment of this application triggers the pre-current reduction strategy when there is a certain voltage difference before the highest single-cell voltage of the battery reaches a pre-overvoltage threshold, rather than waiting until the voltage reaches or exceeds the voltage threshold before intervening. In this way, by triggering the current reduction strategy in advance, the rate of voltage rise is slowed, the trigger frequency of the pre-current reduction strategy is reduced, and kinetic energy is effectively recovered.

[0040] Figure 1 The diagram shown is a schematic flowchart of the battery feedback adjustment method according to an embodiment of this application.

[0041] like Figure 1 As shown, this battery feedback regulation method may include, but is not limited to, the following steps 110 to 130:

[0042] Step 110: Monitor the highest single-cell voltage of the vehicle battery when the vehicle battery is at the allowed continuous feedback current.

[0043] Step 120: Determine whether the voltage difference between the highest single-cell voltage and the pre-overvoltage threshold triggers the pre-current reduction strategy; the pre-overvoltage threshold is lower than the overvoltage threshold. If not, that is, the pre-current reduction strategy is not triggered, return to step 110 above. If yes, that is, the pre-current reduction strategy is triggered, then proceed to step 130 below.

[0044] The voltage difference is used to represent the difference between the pre-overvoltage threshold and the overvoltage threshold, such as 20mV.

[0045] It should be noted that the above-mentioned overvoltage threshold is a threshold used to ensure the safe operation of the battery's circuitry and devices. This overvoltage threshold refers to the highest safe voltage limit that the battery's circuitry can withstand. When the actual voltage of the battery exceeds this threshold, it is determined to be an "overvoltage state," which may trigger protection mechanisms or damage the battery.

[0046] For example, the voltage difference between 4mV and 10mV, which is any value, before the highest single cell voltage of the battery reaches the overvoltage threshold.

[0047] In contrast, the aforementioned pre-overvoltage threshold is used to represent a threshold below the overvoltage threshold. For example, it could be the voltage difference before the highest single-cell voltage of the battery reaches the pre-overvoltage threshold, say, 20mV. Thus, the voltage difference before the highest single-cell voltage of the battery reaches the pre-overvoltage threshold is greater than the voltage difference before the highest single-cell voltage of the battery reaches the overvoltage threshold. This pre-overvoltage threshold can be a pre-set threshold below the overvoltage threshold, or it can be a threshold obtained through testing. See below for a detailed explanation.

[0048] Figure 2 As shown Figure 1 The diagram shows the process for obtaining the pre-overvoltage threshold in the battery feedback regulation method.

[0049] like Figure 2 As shown, the battery feedback regulation method in this paper can also obtain the pre-overvoltage threshold by means of, but is not limited to, the following methods:

[0050] Step 210: Receive test experience scores from different drivers for different pre-overvoltage voltage thresholds; different pre-overvoltage voltage thresholds are configured based on the battery characteristics of this vehicle, with at least one voltage value lower than the overvoltage voltage threshold; determine the test experience scores that meet the usage conditions of the pre-overvoltage voltage threshold.

[0051] Step 220: Determine whether the test experience scores determined by different drivers are consistent; if not, continue to step 210 above.

[0052] Step 230: If yes, save the pre-overvoltage threshold corresponding to the consistency of the test perception score, and delete the pre-overvoltage threshold corresponding to the inconsistency of the test perception score.

[0053] Thus, by obtaining a pre-overvoltage voltage threshold through testing, this pre-overvoltage voltage threshold can be lower than the overvoltage voltage threshold, allowing for earlier triggering of the current reduction strategy, slowing the voltage rise rate, and reducing the trigger frequency of the pre-current reduction strategy. Simultaneously, different vehicle battery characteristics are configured with corresponding pre-overvoltage battery thresholds. The process of determining the pre-overvoltage battery threshold for this vehicle aims to improve the effectiveness of the pre-overvoltage battery threshold configuration for each vehicle.

[0054] Step 130: If so, execute the pre-flow reduction strategy. This provides stronger preventative protection.

[0055] Step 130 above may further include, if yes, immediately triggering the pre-current reduction strategy. Step 130 above may further include, if yes and continues for a preset duration, indicating a stable state of entering the pre-current reduction state, then triggering the pre-current reduction strategy. The preset duration is used to represent a stable state of entering the pre-current reduction state. For example, this preset duration may be, but is not limited to, greater than or equal to 1 second. Optionally, this preset duration is 1 second.

[0056] The aforementioned pre-current reduction strategy is used to maintain the current feedback rate within a fixed range during energy recovery, such as a fixed value of 100 A / s, during current feedback. Thus, after triggering, current reduction is performed at a rate of 100 A / s based on the current BMS (Battery Management System) allowed feedback MAP (Maximum Permissible Regenerative Current of High-Voltage Battery). The current reduction step size described in this paper should not be too small, otherwise the voltage may have already triggered the pre-overvoltage strategy during the current reduction process. This allows for faster reduction of the feedback current and more effective control of voltage rise.

[0057] In this embodiment, the present invention triggers a pre-current reduction strategy before the battery voltage reaches the pre-overvoltage threshold, providing stronger preventative protection and effectively avoiding excessive voltage. Furthermore, by triggering the pre-current reduction strategy, the frequency of its triggering can be reduced and the efficient energy recovery time extended, significantly improving the overall energy efficiency of electric or hybrid vehicles and achieving higher energy recovery efficiency.

[0058] In this regard, an optional embodiment of the aforementioned pre-current reduction strategy may include, but is not limited to: reducing the feedback current to a preset target value at a fixed rate, based on the current value corresponding to the maximum available power during continuous battery feedback. In this way, a fixed current reduction rate can reduce the feedback current more quickly and control voltage rise more effectively.

[0059] Once the overvoltage current limiting strategy in the relevant technology is triggered, it will significantly reduce or cut off the feedback current, resulting in a large amount of kinetic energy not being effectively recovered. As a result, energy recovery is limited, and the frequent switching of the current limiting strategy leads to discontinuous electric deceleration effect, affecting driving smoothness and safety.

[0060] Compared to related technologies, in this embodiment, the use of a fixed rate current reduction can ensure that the feedback current decreases rapidly, effectively slowing down the voltage rise rate and avoiding excessive voltage. This not only ensures the effectiveness of energy recovery but also improves driving smoothness.

[0061] In one embodiment, the aforementioned method of reducing the feedback current to a preset feedback current target value at a fixed rate based on the current value corresponding to the maximum available power during continuous battery feedback may include, but is not limited to, reducing the feedback current to a preset feedback current target value at a fixed rate based on the current value corresponding to the maximum available power during continuous battery feedback.

[0062] It should be noted that the preset feedback current target value mentioned above represents the target current value that can ultimately meet the pre-current reduction strategy. This preset feedback current target value can be set according to different user needs.

[0063] When the preset target value of the feedback current in this article is one, the corresponding fixed-rate current reduction method includes a method of reducing the current at a fixed rate. The fixed-rate current reduction method in this article refers to a method where the current is reduced at the same fixed rate from the start to the end of the current reduction process. For example, the preset target value of the feedback current can be, but is not limited to, 300A. Based on the currently common 192s and 204s voltage configurations, the allowable feedback power is approximately 300*192*3.45=198.7KW and 300*204*3.45=211KW, respectively. This ensures more effective power recovery.

[0064] Alternatively, when there are multiple preset feedback current target values, the corresponding fixed-rate current reduction method includes different fixed-rate current reduction methods. The fixed-rate current reduction method in this paper refers to the method where, from the start to the end of current reduction, each time a preset feedback current target value is reached, the corresponding fixed-rate current reduction method is switched according to that preset feedback current target value. The fixed rate corresponding to the current preset feedback current target value is different from the fixed rate corresponding to the previous preset feedback current target value.

[0065] In this embodiment, a fixed-rate current reduction method is adopted as a faster adjustment mechanism, which can ensure that the feedback current decreases rapidly and more effectively slows down the voltage rise rate.

[0066] As an example, the aforementioned fixed current reduction rate may include, but is not limited to, multiple current reduction rates, and each current reduction rate corresponds to a different current reduction range and a target value for the feedback current; the multiple current reduction rates include a maximum current reduction rate, and the maximum current reduction rate has the highest priority;

[0067] At the current value corresponding to the maximum available power during continuous battery feedback, the feedback current is reduced to the corresponding target value by using the maximum current reduction rate, starting from the highest priority, according to the priority order of the current reduction intervals. In this way, multiple current reduction intervals can be divided, and current reduction can be performed in different fixed ways, thereby improving the effectiveness of current reduction.

[0068] The above-mentioned battery feedback regulation method also includes: reducing the feedback current to achieve the corresponding feedback current target value by employing at least one of the following methods:

[0069] In the first alternative approach, if, while using the maximum current reduction rate, a gradual increase in the voltage difference is detected and the highest single-cell voltage exceeds the exit threshold for exiting the pre-current reduction strategy, then, according to the priority order of the current reduction intervals, the current reduction rate corresponding to the second highest priority is used to reduce the feedback current to reach the corresponding target value. In this way, current reduction can be performed more effectively before exiting the pre-current reduction strategy.

[0070] In the second optional approach, if, while using the maximum current reduction rate, a gradual increase in voltage difference is detected for a preset time, the feedback current is reduced according to the priority order of the current reduction intervals, using the current reduction rate corresponding to the second highest priority interval to reach the corresponding target feedback current value. The preset time indicates that the gradually increasing voltage difference signifies that the current reduction feedback current is effective, and the current reduction rate can be further reduced, for example, to the current reduction rate corresponding to the second highest priority interval. This second highest priority current reduction rate is lower than the maximum current reduction rate.

[0071] For example, during the current reduction process, if the highest single-cell voltage drops to the pre-overvoltage threshold minus a certain difference, such as 30mV, and remains there for a preset time, such as 1 second, then the current reduction rate is reduced, and the feedback current is reduced to the corresponding target value of the feedback current according to the current reduction rate corresponding to the second highest priority.

[0072] In the second alternative method mentioned above, the feedback current can be reduced in a sequential manner according to different current reduction rates to reach the corresponding feedback current target value, thereby ensuring that the feedback current is reduced more gradually and improving the effectiveness of energy recovery.

[0073] In the third optional method, the feedback current is reduced using the maximum current reduction rate. If a gradual increase in voltage difference is detected for a preset time, the feedback current is maintained at the corresponding target value. Thus, using a fixed-rate current reduction mechanism with the maximum current reduction rate ensures a rapid decrease in feedback current, more effectively slowing the voltage rise until the target feedback current value is maintained, at which point the current reduction is paused, resulting in more stable current feedback.

[0074] In one embodiment, the above-described battery feedback regulation method may also include, but is not limited to: automatically exiting the pre-current reduction strategy when the highest single-cell voltage remains below a safety threshold for a preset time. At this time, the pre-current reduction strategy is ineffective, and when feedback current is detected again, the feedback current is detected and restored. Here, the preset time represents the duration for which the highest single-cell voltage stably returns to the safety threshold. This preset time is, for example, greater than or equal to 10 seconds. The safety threshold represents the highest single-cell voltage being in a safe state. This safety threshold is, for example, less than or equal to 3.35V.

[0075] For example, if the current reduction process does not reach the pre-current reduction target value, and the highest single-cell voltage is lower than the pre-overvoltage threshold of -30mV for a preset time of 1 second, the current reduction is paused and the current allowable feedback value is maintained. The purpose is to make the allowable feedback value as high as possible while achieving the goal of reducing the triggering of pre-overvoltage current limiting.

[0076] If the highest single-cell voltage again meets the pre-current reduction trigger condition (i.e., the voltage difference between the highest single-cell voltage and the pre-overvoltage threshold is -20mV), the pause logic ends, and the current reduction continues towards the pre-current reduction target value until it is reached. If the highest single-cell voltage drops to 3.35V for 10 seconds, the pre-current reduction strategy exits, and a feedback current of 100A / s is used for recovery.

[0077] Thus, the dynamic adjustment mechanism can pause current reduction when the voltage drops, maintaining a high feedback value and improving energy recovery efficiency; the exit mechanism ensures that the feedback current is restored when the voltage is safe, improving overall energy efficiency. Furthermore, the dynamic adjustment and exit mechanisms described in this paper can flexibly adjust the feedback current based on real-time voltage conditions, improving energy recovery efficiency and driving experience, thereby providing a more flexible adaptive strategy.

[0078] Additionally, it should be noted that the current reduction range in which pre-overpressure current limiting works is also known as the smart range.

[0079] The following is an example of a specific application of this embodiment:

[0080] Each downflow rate in this paper corresponds to a different downflow range, which can be divided into, but is not limited to, two downflow levels.

[0081] The first reduction rate is 100 A / s, which serves as the maximum reduction rate and the initial value for the fixed rate.

[0082] The second level of flow reduction has a flow rate of 50 A / s.

[0083] The higher the current cell voltage, the greater the current reduction rate; the lower the current cell voltage, the more effective the current reduction. The further away from the highest cell voltage, the lower the current reduction rate. The current reduction rate of each current reduction level reduces the feedback current to a corresponding feedback current target value. The interval formed between this interval and the feedback current target value of the previous current reduction level is called the current reduction interval.

[0084] Example 2 of a specific application of the embodiments of this application is as follows:

[0085] The overvoltage threshold is 4V. The current reduction range and corresponding current reduction rate for the pre-overvoltage threshold are as follows: 3.6V-3.7V, corresponding to a current reduction rate of 80A / second; 3.5V-3.6V, corresponding to a current reduction rate of 60A / second; 3.4V-3.5V, corresponding to a current reduction rate of 40A / second; 3.5V to 3.4V, corresponding to a current reduction rate maintained at 20A / second, until it is less than the safety threshold of 3.4V, indicating that the charging rate of recovered energy has decreased, but the single-cell voltage is discharged and not charged, so the pre-current reduction strategy is exited.

[0086] The lowest value in the aforementioned smart range is the safety threshold, and the aforementioned safety threshold is less than the pre-overvoltage threshold.

[0087] The highest value in the above-mentioned smart range is the pre-overvoltage threshold.

[0088] In this application embodiment, the continuous feedback MAP and pre-overvoltage voltage threshold of different battery systems are different. The voltage difference when the highest single cell voltage reaches the pre-overvoltage voltage threshold is -20mV, the pre-current reduction pause voltage difference is -30mV, the target value of pre-current reduction is 300A, and the pre-current reduction exit voltage and judgment time can all be calibrated according to the actual vehicle status and requirements.

[0089] The pre-current reduction strategy in the battery feedback regulation method of this application has been optimized and innovated in terms of triggering logic, regulation mechanism, and dynamic adjustment. It can more effectively avoid excessively high battery voltage, reduce the triggering frequency of the pre-overvoltage current limiting strategy, extend the efficient energy recovery time, and improve the overall energy efficiency and driving experience of electric vehicles or hybrid vehicles. Furthermore, it effectively solves the technical problem of frequent triggering of the pre-current reduction strategy due to increased battery voltage under long downhill conditions.

[0090] Based on the same inventive concept as the above method, this application also provides a battery feedback regulation device, such as... Figure 3 As shown, the device may include the following modules:

[0091] The highest single-cell voltage monitoring module 31 is used to monitor the highest single-cell voltage of the vehicle battery when the vehicle battery is allowed continuous feedback current.

[0092] The pre-current reduction strategy triggering judgment module 32 is used to determine whether the pre-current reduction strategy is triggered when the voltage difference between the highest single-cell voltage and the pre-overvoltage voltage threshold is lower than the overvoltage voltage threshold.

[0093] The judgment execution module 33 is used to, if not, return to continue executing the monitoring of the highest single cell voltage of the vehicle battery when the continuous feedback current allowed by the vehicle battery is reached; if yes, execute the pre-current reduction strategy.

[0094] As one embodiment, the battery feedback regulation device further includes:

[0095] The first feedback current reduction module is used to reduce the feedback current to the corresponding feedback current target value if, on the basis of using the maximum current reduction rate, it is detected that the voltage difference is gradually increasing and the highest single-cell voltage is higher than the exit threshold for exiting the pre-current reduction strategy. This is done according to the priority order of the current reduction intervals and the current reduction rate corresponding to the second highest priority.

[0096] or,

[0097] The second feedback current reduction module is used to reduce the feedback current to the corresponding feedback current target value if, based on the maximum current reduction rate, the voltage difference is detected to gradually increase for a preset time. This is done according to the priority order of the current reduction intervals and the current reduction rate corresponding to the second highest priority.

[0098] As one embodiment, the battery feedback regulation device further includes a pre-overvoltage voltage threshold acquisition module, used to obtain the pre-overvoltage voltage threshold in the following manner:

[0099] The test receiving submodule is used to receive test experience scores from different drivers for different pre-overvoltage voltage thresholds; the different pre-overvoltage voltage thresholds are configured according to the battery characteristics of the vehicle, with at least one voltage value lower than the overvoltage voltage threshold; and to determine the test experience scores that meet the usage conditions of the pre-overvoltage voltage threshold.

[0100] The consistency judgment submodule is used to determine whether the test experience scores determined by the different drivers are consistent.

[0101] The pre-overvoltage threshold determination submodule is used to, if yes, save the pre-overvoltage threshold corresponding to the consistency of the test perception score, and delete the pre-overvoltage threshold corresponding to the inconsistency of the test perception score. If no, the test receiving submodule is tested.

[0102] Each module / submodule of the above-mentioned device corresponds to the steps of the above-mentioned method. The specific implementation process of the function and role of each module / submodule in the above-mentioned device can be found in the implementation process of the corresponding steps in the above-mentioned method, which can achieve the same technical effect, and will not be repeated here.

[0103] This application provides an electronic device including the battery feedback regulation device described above.

[0104] Of course, this electronic device may include, but is not limited to, an in-vehicle terminal connected to the vehicle. The in-vehicle terminal connected to the vehicle may be, but is not limited to, a body processor, a center console, or a car HUD (Head-Up Display).

[0105] This application provides an electronic device, including one or more processors, for implementing the battery feedback regulation method described above.

[0106] Figure 4 The diagram shown is a structural schematic of the electronic device 50 provided in an embodiment of this application.

[0107] like Figure 4 As shown, the electronic device 50 includes one or more processors 51 for implementing the battery feedback regulation method as described above.

[0108] In some embodiments, electronic device 50 may include storage medium 59. For example, computer-readable storage medium may store a program that can be invoked by processor 51, and may include non-volatile storage medium. In some embodiments, electronic device 50 may include memory 58 and interface 57. In some embodiments, electronic device 50 may also include other hardware depending on the specific application.

[0109] The computer-readable storage medium of this application embodiment stores a program that, when executed by processor 51, is used to implement the battery feedback regulation method described above.

[0110] This application provides a computer program product, including a computer program / instructions that, when executed by a processor, implement the method described in any of the preceding claims.

[0111] This application also provides a computer program stored in a computer-readable storage medium, for example... Figure 4 The storage medium 59, and when the processor executes the computer program, causes the processor 51 to perform the method described above.

[0112] This application may take the form of a computer program product implemented on one or more computer-readable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing program code. Computer-readable storage media include permanent and non-permanent, removable and non-removable media, and information storage can be implemented using any method or technology. Information may be computer-readable instructions, data structures, program modules, or other data. Examples of computer-readable storage media include, but are not limited to: phase-change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technologies, CD-ROM, digital versatile optical disc (DVD) or other optical storage, magnetic tape, disk storage or other magnetic storage devices, or any other non-transfer medium that can be used to store information accessible by a computing device.

[0113] The above description is merely a preferred embodiment of this specification and is not intended to limit this specification. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this specification should be included within the scope of protection of this specification.

[0114] It should also be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus. Without further limitation, an element qualified by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. A battery feedback regulation method, characterized in that, include: Monitor the highest single-cell voltage of the vehicle battery when the vehicle battery is allowed continuous feedback current; Determine whether the voltage difference between the highest single-cell voltage and the pre-overvoltage threshold triggers the pre-current reduction strategy. The pre-overvoltage threshold is lower than the overvoltage threshold; If not, return to continue monitoring the highest single-cell voltage of the vehicle battery when the vehicle battery is allowed continuous feedback current; If so, then execute the pre-draining strategy.

2. The battery feedback regulation method as described in claim 1, characterized in that, The pre-current reduction strategy includes: At the current value corresponding to the maximum available power during continuous feedback of the battery, the feedback current is reduced to a preset target value by reducing the current at a fixed rate.

3. The battery feedback regulation method as described in claim 2, characterized in that, The step of reducing the feedback current to a preset target value based on the current value corresponding to the maximum available power during continuous battery feedback, according to a fixed rate reduction method, includes: At the current value corresponding to the maximum available power during continuous battery feedback, the feedback current is reduced at a fixed rate to reach the preset feedback current target value.

4. The battery feedback regulation method as described in claim 3, characterized in that, The fixed current reduction rate includes multiple current reduction rates, and each current reduction rate corresponds to a different current reduction range and the target value of the feedback current; the multiple current reduction rates include the maximum current reduction rate, and the maximum current reduction rate has the highest priority; At the current value corresponding to the maximum available power during continuous battery feedback, the feedback current is reduced to the corresponding target value by using the maximum current reduction rate, starting from the highest priority of the current reduction intervals, according to the priority order of the current reduction intervals.

5. The battery feedback regulation method as described in claim 4, characterized in that, The method further includes: If, while using the maximum current reduction rate, it is detected that the voltage difference is gradually increasing and the highest single-cell voltage is higher than the exit threshold for exiting the pre-current reduction strategy, then, according to the priority order of the current reduction intervals, the current reduction rate corresponding to the second highest priority is used to reduce the feedback current to reach the corresponding target value.

6. The battery feedback regulation method as described in claim 4, characterized in that, If, while using the maximum current reduction rate, the voltage difference is detected to gradually increase for a preset time, then according to the priority order of the current reduction intervals, the current reduction rate corresponding to the second highest priority is used to reduce the feedback current to reach the corresponding target value.

7. The battery feedback regulation method according to any one of claims 1 to 6, characterized in that, The method further includes: The pre-overvoltage threshold is obtained using the following method: Receive test experience scores from different drivers for different pre-overvoltage voltage thresholds; the different pre-overvoltage voltage thresholds are configured based on the battery characteristics of the vehicle, with at least one voltage value lower than the overvoltage voltage threshold; determine the test experience scores that meet the usage conditions of the pre-overvoltage voltage thresholds; Determine whether the test experience scores determined by the different drivers are consistent; If so, save the pre-overvoltage threshold corresponding to the consistency of the test perception scores, and delete the pre-overvoltage threshold corresponding to the inconsistency of the test perception scores.

8. A battery feedback regulation device, characterized in that, include: The highest single-cell voltage monitoring module is used to monitor the highest single-cell voltage of the vehicle battery under the continuous feedback current allowed by the vehicle battery. The pre-current reduction strategy triggering judgment module is used to determine whether the pre-current reduction strategy is triggered when the voltage difference between the highest single-cell voltage and the pre-overvoltage threshold is reached. The pre-overvoltage threshold is lower than the overvoltage threshold; The judgment execution module is used to return to continue execution if no, and monitor the highest single cell voltage of the vehicle battery when the vehicle battery is allowed continuous feedback current; If so, then execute the pre-draining strategy.

9. An electronic device, characterized in that, It includes one or more processors for implementing the battery feedback regulation method as described in any one of claims 1 to 7.

10. A computer-readable storage medium, characterized in that, It stores a program that, when executed by a processor, implements the battery feedback regulation method as described in any one of claims 1 to 7.

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