Power control method and device for automobile electronic load

Abstract

The invention discloses a power control method and device for an automobile electronic load. The method comprises the following steps: acquiring a load power sum of each load; acquiring the priority of each load; and when the sum of the load power exceeds the allowable maximum discharge power of the battery, performing power correction on each load according to the priority of each load, so that the sum of the load power after power correction does not exceed the allowable maximum discharge power of the battery. In the method, the types of loads comprise a dynamic load, a thermal management load and an entertainment domain load, and the priorities of different types of loads under different vehicle working conditions can be configured respectively. In the power correction process, power correction is carried out according to the priorities of different types of loads. According to the invention, different types of loads are respectively controlled according to the priorities, and the power utilization experience of the vehicle when the discharge power of the battery is insufficient is ensured.

Description

Technical Field

[0001] The present invention relates to the field of vehicle load control, and in particular to a power control method and device for an automobile electronic load. Background Art

[0002] With the rapid development of automobile technology, modern cars are no longer just a means of transportation, but also a high-tech mobile platform that integrates a variety of electronic devices. These electronic devices include but are not limited to navigation systems, entertainment systems, safety systems, power control systems, etc., which provide great convenience and comfort for drivers and passengers. However, the increase in these electronic loads also puts higher demands on the car's power system. Especially in electric and hybrid vehicles, the capacity and discharge capacity of the battery directly determine the performance and endurance of the vehicle.

[0003] In the existing technology, the power system of the car usually adopts a simple voltage or current control strategy to manage the electronic load, but this method often cannot effectively cope with the complex and changeable vehicle operating conditions and user needs. For example, when driving at high speed or intense driving, the power system needs more power support, and if the entertainment system is also running at high load at this time, it may cause insufficient battery output power and affect vehicle performance. Similarly, in cold or hot weather conditions, the load of the thermal management system will also increase, further increasing the burden on the battery. Summary of the invention

[0004] The object of the present invention is to provide a power control method and device for an automobile electronic load so as to reasonably distribute the load power.

[0005] In order to solve the above technical problems, the present invention provides a power control method for an automotive electronic load, comprising:

[0006] Obtain the total load power of each load;

[0007] Get the priority of each load;

[0008] When the total load power exceeds the maximum allowable discharge power of the battery, the power of each load is corrected according to the priority of each load so that the total load power after power correction does not exceed the maximum allowable discharge power of the battery.

[0009] According to the above scheme, the method for obtaining the priority of each load includes:

[0010] Determine the priority of each load based on the vehicle operating scenario and the priority preset by the user;

[0011] If the user does not set the priority, the priority of each load is determined according to the preset default order.

[0012] According to the above scheme, the priority of each load under different vehicle operating scenarios is set by the user respectively, and the vehicle operating scenarios include driving scenarios and entertainment scenarios.

[0013] According to the above scheme, the types of loads include dynamic loads, thermal management loads, and entertainment domain loads; the priority value range is [0,1], and the larger the priority value, the higher the priority; the default order is priority of dynamic loads > priority of thermal management loads > priority of entertainment domain loads.

[0014] According to the above scheme, the method for correcting the power of each load according to the priority of each load includes:

[0015] The thermal management power correction value is determined based on the maximum allowable discharge power of the battery, the temperature coefficient, the total power of each thermal management load, and the priority of the thermal management load; the thermal management power correction value is the total power of each thermal management load after power correction; the temperature coefficient is determined by the actual temperature in the vehicle and the set comfortable temperature range.

[0016] According to the above scheme, the method for determining the temperature coefficient includes:

[0017] When the actual temperature inside the vehicle exceeds the comfortable temperature range, the temperature coefficient is set to 1;

[0018] When the actual temperature in the car does not exceed the comfortable temperature range, the temperature coefficient is set to (0,1) and the temperature coefficient is determined according to the temperature difference; the temperature difference is the difference between the target temperature set by the user and the upper limit of the comfortable temperature range.

[0019] According to the above scheme, the dynamic power correction value is determined based on the maximum allowable discharge power of the battery, the accelerator pedal opening coefficient, the total power of each dynamic load, and the priority of the dynamic load; the dynamic power correction value is the total power of each dynamic load after power correction; the accelerator pedal opening coefficient is determined by the actual accelerator pedal opening and the set accelerator pedal opening range.

[0020] According to the above scheme, the method for determining the accelerator pedal opening range includes:

[0021] When the actual accelerator pedal opening is greater than the upper limit of the accelerator pedal opening range, the accelerator pedal opening coefficient is set to 1;

[0022] When the actual accelerator pedal opening is less than the lower limit of the accelerator pedal opening range, the accelerator pedal opening coefficient is set to 0;

[0023] When the actual accelerator pedal opening is within the accelerator pedal opening range, the accelerator pedal opening coefficient is determined according to the actual accelerator pedal opening, the accelerator pedal opening range upper limit value, and the accelerator pedal opening range lower limit value.

[0024] According to the above scheme, the entertainment domain power correction value is determined according to the maximum allowable discharge power of the battery, the entertainment domain correction coefficient, the total power of each entertainment domain load, and the priority of the entertainment domain load; the entertainment domain power correction value is the total power of each entertainment domain load after power correction; the entertainment domain correction coefficient is determined by the difference between the maximum allowable discharge power of the battery and the total power of the load.

[0025] The present invention also provides a power control device for an automotive electronic load, comprising:

[0026] A load power sum acquisition module is used to obtain the load power sum of each load;

[0027] A load priority acquisition module is used to obtain the priority of each load;

[0028] The power correction module is used to correct the power of each load according to the priority of each load when the total load power exceeds the maximum discharge power allowed by the battery.

[0029] The beneficial effects of the present invention are:

[0030] The present invention obtains the total load power priority of each load and intelligently distributes power within the maximum discharge power allowed by the battery. When the total load power exceeds the maximum discharge power allowed by the battery, the system will make power corrections according to the priority of each load to ensure that the critical loads are adequately supplied with power while reducing the power consumption of non-critical loads.

[0031] Furthermore, the present invention allows users to set different load priorities according to different driving environments, meeting diverse customized needs; driving environments include driving scenes and entertainment scenes, etc. The power correction values ​​of thermal management loads and dynamic loads, as well as the power correction value of entertainment domain loads, will be dynamically adjusted according to factors such as the actual in-car temperature and accelerator pedal opening, to achieve more refined power control. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 This is a flow chart of a power control method for an automotive electronic load according to a first embodiment of the present invention. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the embodiments of the present disclosure clearer, the technical solution of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all of the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

[0034] Embodiment 1:

[0035] See also Figure 1 , this embodiment provides a power control method for an automotive electronic load, comprising:

[0036] S1. Obtain the total load power of each load;

[0037] S2. Obtain the priority of each load;

[0038] S3. When the total load power exceeds the maximum allowable discharge power of the battery, the power of each load is corrected according to the priority of each load, so that the total load power after the power correction does not exceed the maximum allowable discharge power of the battery.

[0039] In step S1, the method for obtaining the total load power of each load includes:

[0040] When the vehicle is started, the battery power of the vehicle is automatically detected, and the type, quantity, power and other information of the load are obtained; in a preferred embodiment of the present invention, the load-related information is uploaded to the cloud server, and the cloud server treats different loads as different modules, and then the cloud server calculates the total load power of the vehicle;

[0041] L_real=P 热管理功率 +P 动力性功率 +P 娱乐域功率

[0042] In the above formula, L_real is the total load power.

[0043] In step S2, the method for obtaining the priority of each load includes:

[0044] Determine the priority of each load based on the vehicle operating scenario and the priority preset by the user;

[0045] If the user does not set the priority, the priority of each load is determined according to the preset default order.

[0046] In a preferred embodiment of the present invention, the priority of each load is obtained through a cloud server, and the priority information set by the user according to different vehicle operating scenarios is stored in the cloud server.

[0047] In this embodiment, the types of loads include dynamic loads, thermal management loads, and entertainment domain loads; the priority value range is [0,1], and the larger the priority value, the higher the priority; the default order is priority of dynamic load > priority of thermal management load > priority of entertainment domain load.

[0048] Furthermore, the priority of each load under different vehicle operating scenarios is set by the user separately, and the vehicle operating scenarios include driving scenarios and entertainment scenarios. For example, when the vehicle is driving, the corresponding vehicle operating scenario is a driving scenario. The user can set the priority of the dynamic load in this scenario to be higher than the priority of other types of loads, so as to give priority to meeting the needs of the power system and ensure the rapid response of the vehicle power system. Or in the entertainment scenario, set the priority of the entertainment domain load to be higher than the priority of other types of loads, so as to give priority to meeting the user's entertainment needs (for example, the vehicle battery needs to be discharged outward to power external entertainment appliances). In addition, the specific priority values ​​of each type of load in different scenarios can also be configured by the user in the cloud.

[0049] In step S3, the method of performing power correction on each load according to the priority of each load includes:

[0050] Determine the thermal management power correction value according to the maximum allowable discharge power of the battery, the temperature coefficient, the total power of each thermal management load, and the priority of the thermal management load;

[0051] P 热管理功率修正值 =min(L_b,k T ×∑(P 热管理n )×U 热管理 )

[0052] In the above formula, P 热管理功率修正值 is the thermal management power correction value, L_b is the maximum allowable discharge power of the battery, k T is the temperature coefficient, P 热管理n Indicates the power of a thermal management load, U 热管理 Prioritize loads for thermal management;

[0053] The thermal management power correction value is the sum of the powers of each thermal management load after power correction; the temperature coefficient is determined by the actual temperature in the vehicle and the set comfortable temperature range.

[0054] Furthermore, the method for determining the temperature coefficient includes:

[0055] When the actual temperature inside the car exceeds the comfortable temperature range, the temperature coefficient k T Set to 1; the comfortable temperature range is expressed as [T Calibration2 ,T Calibration1 ], where the actual temperature inside the car is represented by T. If T>T Calibration1 or T <T Calibration2 When the temperature in the car is too high or too low, it indicates that the actual temperature in the car is too high or too low. Therefore, it is considered that the user's demand for thermal management power is high at this time, and the temperature coefficient k T Set to 1;

[0056] When the actual temperature T in the car does not exceed the comfortable temperature range (i.e. T Calibration2 ≤T≤T Calibration1 ), temperature coefficient k T Set to (0,1) to determine the temperature coefficient k based on the temperature difference T ; The temperature difference is the target temperature set by the user and the upper limit of the comfortable temperature range T Calibration1 The difference between

[0057] In a preferred embodiment of the present invention, the temperature coefficient k is obtained by looking up a pre-calibrated temperature difference-temperature coefficient table. T , the temperature difference-temperature coefficient table is shown in Table 1:

[0058] Table 1

[0059] Temperature difference 1 3 5 7 9 11 13 15 17 <![CDATA[k T Correction factor]]> 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

[0060] Further, the dynamic power correction value is determined according to the maximum allowable discharge power of the battery, the accelerator pedal opening coefficient, the total power of each dynamic load, and the priority of the dynamic load;

[0061] P 动力性功率修正值 =min(L_b,k T ×∑(P 动力性n )×U 动力性 )

[0062] In the above formula, P 动力性功率修正值 is the dynamic power correction value, P 动力性n Indicates the power of a dynamic load, U 动力性 The priority of dynamic load;

[0063] The dynamic power correction value is the sum of the powers of the dynamic loads after power correction; the accelerator pedal opening coefficient is calculated by the actual accelerator pedal opening and the set accelerator pedal opening range.

[0064] Furthermore, the method for determining the accelerator pedal opening range includes:

[0065] When the actual accelerator pedal opening Pct is greater than the upper limit of the accelerator pedal opening range Pct2, the accelerator pedal opening coefficient k pct Set to 1;

[0066] When the actual accelerator pedal opening Pct is less than the lower limit of the accelerator pedal opening range Pct1, the accelerator pedal opening coefficient k pct Set to 0;

[0067] When the actual accelerator pedal opening Pct is within the accelerator pedal opening range (i.e., Pct1≤Ptc≤Pct2), the accelerator pedal opening coefficient k is determined based on the actual accelerator pedal opening Pct, the upper limit value Pct2 of the accelerator pedal opening range, and the lower limit value Pct1 of the accelerator pedal opening range. pct ;

[0068]

[0069] Further, the entertainment domain power correction value is determined according to the maximum allowable discharge power of the battery, the entertainment domain correction coefficient, the total power of each entertainment domain load, and the priority of the entertainment domain load;

[0070] P 娱乐域功率修正值 =min(L_b,K3×∑(P 娱乐域n )×U 娱乐域 )

[0071] In the above formula, P 娱乐域功率修正值 is the entertainment domain power correction value, K3 is the entertainment domain correction coefficient,

[0072] P 娱乐域n Indicates the power of a certain entertainment domain load, U 娱乐域 Prioritize the entertainment domain load;

[0073] The entertainment domain power correction value is the sum of the powers of the entertainment domain loads after power correction; the entertainment domain correction coefficient is determined by the difference between the maximum allowable discharge power of the battery and the sum of the load powers (i.e., the power difference, power difference = the maximum allowable discharge power of the battery - the sum of the load powers); in a preferred embodiment of the present invention, the entertainment domain correction coefficient K3 is obtained by looking up a pre-calibrated power difference-entertainment domain correction coefficient table, and the power difference-entertainment domain correction coefficient table is shown in Table 2:

[0074] Table 2

[0075] Power difference -10 -5 0 1 2 3 4 5 6 7 8 9 10 Entertainment domain correction factor 0 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

[0076] After the power correction is completed, the vehicle controller obtains the corrected power value L_real'=P 热管理功率修正值 +P 动力性功率修正值 +P 娱乐域功率修正值 , according to the battery's allowable output power L_b, control the vehicle's power output P 输出 , P 输出 =min(L_b,L_real′).

[0077] Embodiment 2:

[0078] This embodiment discloses a power control device for an automotive electronic load, comprising:

[0079] A load power sum acquisition module is used to obtain the load power sum of each load;

[0080] A load priority acquisition module is used to obtain the priority of each load;

[0081] The power correction module is used to correct the power of each load according to the priority of each load when the total load power exceeds the maximum discharge power allowed by the battery.

[0082] The method for obtaining the total load power of each load in the load power total acquisition module includes:

[0083] When the vehicle is started, the battery power of the vehicle is automatically detected, and the type, quantity, power and other information of the load are obtained; in a preferred embodiment of the present invention, the load-related information is uploaded to the cloud server, and the cloud server treats different loads as different modules, and then the cloud server calculates the total load power of the vehicle;

[0084] L_real=P 热管理功率 +P 动力性功率 +P 娱乐域功率

[0085] In the above formula, L_real is the total load power.

[0086] The method for obtaining the priority of each load in the load priority acquisition module includes:

[0087] Determine the priority of each load based on the vehicle operating scenario and the priority preset by the user;

[0088] If the user does not set the priority, the priority of each load is determined according to the preset default order.

[0089] In a preferred embodiment of the present invention, the priority of each load is obtained through a cloud server, and the priority information set by the user according to different vehicle operating scenarios is stored in the cloud server.

[0090] In this embodiment, the types of loads include dynamic loads, thermal management loads, and entertainment domain loads; the priority value range is [0,1], and the larger the priority value, the higher the priority; the default order is priority of dynamic load > priority of thermal management load > priority of entertainment domain load.

[0091] Furthermore, the priority of each load under different vehicle operating scenarios is set by the user separately, and the vehicle operating scenarios include driving scenarios and entertainment scenarios. For example, when the vehicle is driving, the corresponding vehicle operating scenario is a driving scenario. The user can set the priority of the dynamic load in this scenario to be higher than the priority of other types of loads, so as to give priority to meeting the needs of the power system and ensure the rapid response of the vehicle power system. Or in the entertainment scenario, set the priority of the entertainment domain load to be higher than the priority of other types of loads, so as to give priority to meeting the user's entertainment needs (for example, the vehicle battery needs to be discharged outward to power external entertainment appliances). In addition, the specific priority values ​​of each type of load in different scenarios can also be configured by the user in the cloud.

[0092] The method for correcting the power of each load according to the priority of each load in the power correction module includes:

[0093] Determine the thermal management power correction value according to the maximum allowable discharge power of the battery, the temperature coefficient, the total power of each thermal management load, and the priority of the thermal management load;

[0094] P 热管理功率修正值 =min(L_b,k T ×∑(P 热管理n )×U 热管理 )

[0095] In the above formula, P 热管理功率修正值 is the thermal management power correction value, L_b is the maximum allowable discharge power of the battery, k T is the temperature coefficient, P 热管理n Indicates the power of a thermal management load, U 热管理 Prioritize loads for thermal management;

[0096] The thermal management power correction value is the sum of the powers of each thermal management load after power correction; the temperature coefficient is determined by the actual temperature in the vehicle and the set comfortable temperature range.

[0097] Furthermore, the method for determining the temperature coefficient includes:

[0098] When the actual temperature inside the car exceeds the comfortable temperature range, the temperature coefficient k T Set to 1; the comfortable temperature range is expressed as [T Calibration2 ,T Calibration1 ], where the actual temperature inside the car is represented by T. If T>T Calibration1 or T <T Calibration2 When the temperature in the car is too high or too low, it indicates that the actual temperature in the car is too high or too low. Therefore, it is considered that the user's demand for thermal management power is high at this time, and the temperature coefficient k T Set to 1;

[0099] When the actual temperature T in the car does not exceed the comfortable temperature range (i.e. T Calibration2 ≤T≤T Calibration1 ), temperature coefficient k T Set to (0,1) to determine the temperature coefficient k based on the temperature difference T ; The temperature difference is the target temperature set by the user and the upper limit of the comfortable temperature range T Calibration1 The difference between

[0100] In a preferred embodiment of the present invention, the temperature coefficient k is obtained by looking up a pre-calibrated temperature difference-temperature coefficient table. T , the temperature difference-temperature coefficient table is shown in Table 3:

[0101] Table 3

[0102] Temperature difference 1 3 5 7 9 11 13 15 17 <![CDATA[k T Correction factor]]> 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

[0103] Further, the dynamic power correction value is determined according to the maximum allowable discharge power of the battery, the accelerator pedal opening coefficient, the total power of each dynamic load, and the priority of the dynamic load;

[0104] P 动力性功率修正值 =min(L_b,k T ×∑(P 动力性n )×U 动力性 )

[0105] In the above formula, P 动力性功率修正值 is the dynamic power correction value, P 动力性n Indicates the power of a dynamic load, U 动力性 The priority of dynamic load;

[0106] The dynamic power correction value is the sum of the powers of the dynamic loads after power correction; the accelerator pedal opening coefficient is calculated by the actual accelerator pedal opening and the set accelerator pedal opening range.

[0107] Furthermore, the method for determining the accelerator pedal opening range includes:

[0108] When the actual accelerator pedal opening Pct is greater than the upper limit of the accelerator pedal opening range Pct2, the accelerator pedal opening coefficient k pct Set to 1;

[0109] When the actual accelerator pedal opening Pct is less than the lower limit of the accelerator pedal opening range Pct1, the accelerator pedal opening coefficient k pct Set to 0;

[0110] When the actual accelerator pedal opening Pct is within the accelerator pedal opening range (i.e., Pct1≤Ptc≤Pct2), the accelerator pedal opening coefficient k is determined based on the actual accelerator pedal opening Pct, the upper limit value Pct2 of the accelerator pedal opening range, and the lower limit value Pct1 of the accelerator pedal opening range. pct ;

[0111]

[0112] Further, the entertainment domain power correction value is determined according to the maximum allowable discharge power of the battery, the entertainment domain correction coefficient, the total power of each entertainment domain load, and the priority of the entertainment domain load;

[0113] P 娱乐域功率修正值 =min(L_b,K3×∑(P 娱乐域n )×U 娱乐域 )

[0114] In the above formula, P 娱乐域功率修正值 is the entertainment domain power correction value, K3 is the entertainment domain correction coefficient, P 娱乐域n Indicates the power of a certain entertainment domain load, U 娱乐域 Prioritize the entertainment domain load;

[0115] The entertainment domain power correction value is the sum of the powers of the entertainment domain loads after power correction; the entertainment domain correction coefficient is determined by the difference between the maximum allowable discharge power of the battery and the sum of the load powers (i.e., the power difference, power difference = the maximum allowable discharge power of the battery - the sum of the load powers); in a preferred embodiment of the present invention, the entertainment domain correction coefficient K3 is obtained by looking up a pre-calibrated power difference-entertainment domain correction coefficient table, and the power difference-entertainment domain correction coefficient table is shown in Table 4:

[0116] Table 4

[0117] Power difference -10 -5 0 1 2 3 4 5 6 7 8 9 10 Entertainment domain correction factor 0 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

[0118] After the power correction is completed, the vehicle controller obtains the corrected power value L_real'=P 热管理功率修正值 +P 动力性功率修正值 +P 娱乐域功率修正值 , according to the battery's allowable output power L_b, control the vehicle's power output P 输出 , P 输出 =min(L_b,L_real′).

[0119] Embodiment three:

[0120] This embodiment provides a computer device, such as a smart phone, tablet computer, laptop computer, desktop computer, rack server, blade server, tower server or cabinet server (including independent server, or server cluster composed of multiple servers) that can execute programs. The computer device of this embodiment includes at least but is not limited to: a memory and a processor that can communicate with each other through a system bus. It should be understood that it is not required to implement all the components described, and more or fewer components can be implemented instead.

[0121] In this embodiment, the memory (i.e., readable storage medium) includes flash memory, hard disk, multimedia card, card-type memory (e.g., SD or DX memory, etc.), random access memory (RAM), static random access memory (SRAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), programmable read-only memory (PROM). The memory may also be an external storage device of a computer device, such as a plug-in hard disk, a smart memory card (SmartMedia Card, SMC), a secure digital (Secure Digital, SD) card, a flash card (Flash Card), etc. equipped on the computer device. Of course, the memory may also include both the internal storage unit of the computer device and its external storage device. In this embodiment, the memory is generally used to store the operating system and various application software installed on the computer device, such as the program code of the power control method of the automotive electronic load in the first embodiment. In addition, the memory may also be used to temporarily store various data that have been output or are to be output.

[0122] In some embodiments, the processor may be a central processing unit (CPU), a controller, a microcontroller, a microprocessor, or other data processing chip. The processor is generally used to control the overall operation of a computer device. In this embodiment, the processor is used to run the program code stored in the memory or process data, such as running the power control device of the automotive electronic load of the second embodiment to implement the power control method of the automotive electronic load in the first embodiment.

[0123] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A power control method for an automotive electronic load, characterized in that: include: Obtain the total load power of each load; Get the priority of each load; When the total load power exceeds the maximum allowable discharge power of the battery, the power of each load is corrected according to the priority of each load so that the total load power after power correction does not exceed the maximum allowable discharge power of the battery.

2. The power control method of the automotive electronic load according to claim 1, characterized in that: The method for obtaining the priority of each load includes: Determine the priority of each load based on the vehicle operating scenario and the priority preset by the user; If the user does not set the priority, the priority of each load is determined according to the preset default order.

3. The power control method of the automotive electronic load according to claim 2, characterized in that: The priority of each load under different vehicle operating scenarios is set by the user. The vehicle operating scenarios include driving scenarios and entertainment scenarios.

4. The power control method of the automotive electronic load according to claim 2, characterized in that: The types of loads include dynamic loads, thermal management loads, and entertainment domain loads; the priority value range is [0,1], and the larger the priority value, the higher the priority; the default order is dynamic load priority > thermal management load priority > entertainment domain load priority.

5. The power control method of the automotive electronic load according to claim 4, characterized in that: The method for correcting the power of each load according to the priority of each load includes: The thermal management power correction value is determined based on the maximum allowable discharge power of the battery, the temperature coefficient, the total power of each thermal management load, and the priority of the thermal management load; the thermal management power correction value is the total power of each thermal management load after power correction; the temperature coefficient is determined by the actual temperature in the vehicle and the set comfortable temperature range.

6. The power control method of the automotive electronic load according to claim 5, characterized in that: Methods for determining the temperature coefficient include: When the actual temperature inside the vehicle exceeds the comfortable temperature range, the temperature coefficient is set to 1; When the actual temperature in the car does not exceed the comfortable temperature range, the temperature coefficient is set to (0,1) and the temperature coefficient is determined according to the temperature difference; the temperature difference is the difference between the target temperature set by the user and the upper limit of the comfortable temperature range.

7. The power control method of the automotive electronic load according to claim 4, characterized in that: The dynamic power correction value is determined according to the maximum allowable discharge power of the battery, the accelerator pedal opening coefficient, the total power of each dynamic load, and the priority of the dynamic load; the dynamic power correction value is the total power of each dynamic load after power correction; The accelerator pedal opening coefficient is calculated by the actual accelerator pedal opening and the set accelerator pedal opening range.

8. The power control method of the automotive electronic load according to claim 7, characterized in that: Methods for determining the accelerator pedal opening range include: When the actual accelerator pedal opening is greater than the upper limit of the accelerator pedal opening range, the accelerator pedal opening coefficient is set to 1; When the actual accelerator pedal opening is less than the lower limit of the accelerator pedal opening range, the accelerator pedal opening coefficient is set to 0; When the actual accelerator pedal opening is within the accelerator pedal opening range, the accelerator pedal opening coefficient is determined according to the actual accelerator pedal opening, the accelerator pedal opening range upper limit value, and the accelerator pedal opening range lower limit value.

9. The power control method of the automotive electronic load according to claim 4, characterized in that: The entertainment domain power correction value is determined according to the maximum allowable discharge power of the battery, the entertainment domain correction coefficient, the total power of each entertainment domain load, and the priority of the entertainment domain load; the entertainment domain power correction value is the total power of each entertainment domain load after power correction; the entertainment domain correction coefficient is determined by the difference between the maximum allowable discharge power of the battery and the total power of the loads.

10. A power control device for an automotive electronic load, characterized in that: include: A load power sum acquisition module is used to obtain the load power sum of each load; A load priority acquisition module is used to obtain the priority of each load; The power correction module is used to correct the power of each load according to the priority of each load when the total load power exceeds the maximum discharge power allowed by the battery.

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