CN111619473B - Automobile static power supply management system and management method - Google Patents
Automobile static power supply management system and management method Download PDFInfo
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- CN111619473B CN111619473B CN202010477222.8A CN202010477222A CN111619473B CN 111619473 B CN111619473 B CN 111619473B CN 202010477222 A CN202010477222 A CN 202010477222A CN 111619473 B CN111619473 B CN 111619473B
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- 230000003068 static effect Effects 0.000 title claims abstract description 57
- 238000007726 management method Methods 0.000 title claims abstract description 21
- 238000004891 communication Methods 0.000 claims abstract description 5
- 238000003745 diagnosis Methods 0.000 claims description 25
- 238000000034 method Methods 0.000 claims description 15
- 230000005059 dormancy Effects 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 230000002159 abnormal effect Effects 0.000 description 7
- 230000006870 function Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
- B60W50/0205—Diagnosing or detecting failures; Failure detection models
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W2050/0001—Details of the control system
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Human Computer Interaction (AREA)
- Transportation (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses an automobile static power supply management system and a management method, wherein the automobile static power supply management system comprises a storage battery sensor, a relay, a vehicle body controller, a gateway controller, a HU controller, a background server and N controllers connected with the gateway controller through CAN wires, the storage battery sensor is connected with the vehicle body controller through LIN wires, the vehicle body controller CAN control the on/off of a switch of the relay, the vehicle body controller is connected with the gateway controller through CAN wires, the gateway controller is connected with the HU controller through CAN wires, and the HU controller is in wireless communication with the background server; after the whole vehicle is powered down, the controller which is not dormant in the timing time is reset and controlled, so that the controller on the whole vehicle network is dormant as much as possible, the electric quantity consumption of the storage battery is reduced, meanwhile, the state of charge (SOC) of the storage battery and the static current monitoring of the whole vehicle are combined, the whole vehicle is powered off when the electric quantity of the storage battery is low, and the normal starting of the vehicle after parking is ensured.
Description
Technical Field
The invention belongs to the field of automobile electrical appliances, and particularly relates to an automobile static power supply management system and an automobile static power supply management method.
Background
At present, almost all vehicles are equipped with gateway controllers, which mainly serve to forward and distribute network signals and messages, such as a whole vehicle with gateway controllers, wherein the gateway controllers are used for distributing network addresses, forwarding signals and messages, and the distributed gateways are different based on different functions of various controllers on the whole vehicle, for example, vehicle body controllers, controllers 1 to N (such as air conditioner controllers and the like) are distributed to network segment 1, HU controllers, controllers n+1 to N (such as wireless charging controllers and the like) are distributed to network segment 2. The sleeping work flow of the vehicle in the locking state of the vehicle is as follows: firstly, each controller sends a sleep instruction or not on the network segment according to the sleep judging condition of the controller; and the gateway controller is combined with network dormancy messages (including dormancy or not, dormancy or awakening or not) of the network segment controllers to judge whether the whole vehicle network is dormant (all controllers on the whole vehicle network are dormant, the whole vehicle network is dormant), if so, the gateway controller is ended, otherwise, the gateway controller returns to judge whether the whole vehicle network is dormant again.
The current vehicle has increasingly intelligent and frequent signal interaction, which leads to that after the whole vehicle is powered down, even if a vehicle body controller sends dormancy instructions to each controller, one or more controllers cannot dormancy for a long time due to abnormal signal receiving or sending or the influence of surrounding environment among the controllers, or the whole vehicle has large static current after the power down, the storage battery is in shortage, and the vehicle is possibly not started normally after the parking. However, when maintenance personnel analyze and check the problems, the events are difficult to be re-emerging and triggered, so that the problems cannot be solved in time.
Disclosure of Invention
The invention aims to provide an automobile static power supply management system and an automobile static power supply management method, which are used for better avoiding deep power shortage of a storage battery after the whole automobile is powered down and ensuring that the automobile can be started normally after being parked.
The invention relates to an automobile static power management system, which comprises a storage battery sensor, a relay, a vehicle body controller, a gateway controller, a HU controller (namely an entertainment host controller), a background server and N controllers (the N controllers are all used on an automobile at present) connected with the gateway controller through CAN lines, wherein the storage battery sensor is arranged at the negative end of the storage battery, the storage battery sensor is connected with the vehicle body controller through a LIN line, the storage battery sensor monitors the SOC of the storage battery and the static current of the whole automobile, when the SOC of the storage battery is smaller than a first preset SOC threshold value or the static current of the whole automobile exceeds a standard, the SOC data of the storage battery and the static current data of the whole automobile are sent to the vehicle body controller, a switch of the relay is connected in a power supply loop of the storage battery, a coil of the relay is connected with the vehicle body controller through a hard line, the vehicle body controller CAN control the switch of the relay to be turned on/off so as to enable the whole automobile to be electrified or powered off (namely the storage battery to be turned on/off), the vehicle body controller is connected with the gateway controller through the CAN line, and the gateway controller is connected with the HU controller through the CAN lines, and the HU controller and the gateway controller are in communication with the HU controller through the gateway controller.
Preferably, the automobile static power supply management system further comprises a diagnosis interface, and the diagnosis interface is connected with the gateway controller through a CAN line. The main function of the diagnosis interface is to provide an interface for externally connecting diagnosis equipment, and maintenance personnel can insert related equipment such as a diagnosis instrument into the diagnosis interface to be connected with the gateway controller 1 for inquiring and clearing related information.
Preferably, the HU controller is internally provided with a 4G module, and the HU controller is in wireless communication with the background server through the 4G module.
The invention relates to an automobile static power supply management method, which adopts the automobile static power supply management system, and comprises the following steps:
s1, the gateway controller judges whether the whole vehicle power supply is in an OFF gear and the vehicle is in a locking state, if so, S2 is executed, otherwise, S1 is continuously executed;
s2, the gateway controller starts a network diagnosis timing clock, and then S3 is executed;
s3, the gateway controller acquires a network dormancy message sent by each controller, and then S4 is executed;
s4, the gateway controller judges whether the whole vehicle network is dormant, if so, the gateway controller stops timing, then S15 is executed, and otherwise S5 is executed;
s5, the gateway controller judges whether the timing time reaches a preset time threshold, if so, S6 is executed, otherwise S3 is executed in a return mode;
s6, the gateway controller records related data of the non-dormant controller, stores the related data of the non-dormant controller in the diagnosis ID, simultaneously sends the related data of the non-dormant controller to the HU controller, and then executes S7;
s7, the HU controller uploads relevant data of the controller which is not dormant to a background server, and then S8 is executed;
s8, the background server stores related data of the non-dormant controller, locks the non-dormant controller (namely, identifies the non-dormant controller), sends a reset instruction of the non-dormant controller to the HU controller, and then executes S9;
s9, the HU controller judges whether a reset condition is met, if yes, S10 is executed, and if not, the process is finished;
s10, the HU controller sends a reset instruction of the controller which is not dormant to the gateway controller, and then S11 is executed;
s11, the gateway controller maps a reset instruction of the controller which is not dormant and sends the reset instruction to the controller which is not dormant, and then S12 is executed;
s12, the gateway controller judges whether all the non-dormant controllers are reset successfully, if so, the whole vehicle network dormancy is judged, then S15 is executed, and otherwise S13 is executed;
s13, the gateway controller records the related data of the controller which is not reset successfully, stores the related data of the controller which is not reset successfully in the diagnosis ID, simultaneously sends the related data of the controller which is not reset successfully to the HU controller, and then executes S14;
s14, uploading relevant data of the controller which is not reset successfully to a background server by the HU controller, storing the relevant data of the controller which is not reset successfully by the background server, and then executing S15;
s15, the gateway controller judges whether the whole vehicle power supply is in an OFF gear and the vehicle is in a locking state, if so, S16 is executed, otherwise, the process is finished;
s16, the gateway controller judges whether SOC data of the storage battery and static current data of the whole vehicle sent by the vehicle body controller are received, if yes, S17 is executed, otherwise S15 is executed in a return mode;
s17, the gateway controller records the SOC data and the static current data and stores the SOC data and the static current data in the diagnosis ID, and simultaneously sends the SOC data and the static current data to the HU controller, and then S18 is executed;
s18, uploading the SOC data and the static current data to a background server by the HU controller, and then executing S19;
s19, the background server stores the SOC data and the static current data, sends a message for reminding a user of igniting and charging to the mobile phone, and then executes S20;
s20, the vehicle body controller judges whether the SOC of the storage battery is smaller than a second preset SOC threshold value, if so, S21 is executed, and otherwise S15 is executed in a return mode;
s21, the vehicle body controller controls the switch of the relay to be turned off, the whole vehicle is powered off, and then the vehicle is ended.
Preferably, if the whole vehicle power supply is in the OFF gear, the reset condition is met, otherwise, the reset condition is not met.
Preferably, the first preset SOC threshold value is 50%, and the second preset SOC threshold value is 30%.
After the whole vehicle is powered down, the controller which is not dormant in the timing time is reset and controlled, so that the controller on the whole vehicle network is dormant as much as possible, the electric quantity consumption of the storage battery is reduced, meanwhile, the state of charge (SOC) of the storage battery and the static current monitoring of the whole vehicle are combined, the whole vehicle is powered down when the electric quantity of the storage battery is low, the deep power shortage of the storage battery is better avoided, the problem that the whole vehicle cannot be started after being parked due to the abnormal conditions of the controller which is not dormant or the whole vehicle network is not dormant or the static current of the whole vehicle is overlarge is solved, and the normal starting of the vehicle after being parked is ensured; in addition, in the control process, if abnormal conditions such as abnormal dormancy, abnormal reset, lower SOC, excessive static current and the like occur, the gateway controller can store the abnormal conditions in the diagnosis ID, and meanwhile, the abnormal conditions are sent to the background server through the HU controller, so that maintenance personnel can quickly check the problem of power shortage of the storage battery by inquiring data on the background server or acquiring the data in the diagnosis ID through the diagnosis instrument, and the method is convenient and quick.
Drawings
Fig. 1 is a circuit topology diagram of an automotive static power management system according to the present invention.
FIG. 2 is a flow chart of a portion of the method for managing static power of an automobile according to the present invention.
FIG. 3 is a flow chart of another part of the method for managing the static power supply of the automobile according to the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The automobile static power management system shown in fig. 1 comprises a storage battery sensor 1, a relay 2, a vehicle body controller 3, a gateway controller 4, a HU controller 5 (namely an entertainment host controller), a background server 6, a diagnosis interface 7 and N controllers connected with the gateway controller 4 through CAN lines. The gateway controller 4, the vehicle body controller 3 on the network segment 1, the controllers 1 to N realizing the established functions, the HU controller 5 on the network segment 2, and the controllers n+1 to N realizing the established functions are existing in the existing whole vehicle network topology structure; except that the network diagnostic clock is added to the gateway controller 4, and the corresponding diagnostic memory and clear byte is added to the diagnostic ID, and the HU controller 5 has a 4G module. The battery sensor 1 is arranged at the negative end of the battery, the battery sensor 1 is connected with the vehicle body controller 3 through a LIN wire, the battery sensor 1 monitors the SOC of the battery and the static current of the whole vehicle, when the SOC of the battery is smaller than 50% or the static current of the whole vehicle exceeds a preset static current threshold value, the SOC data of the battery and the static current data of the whole vehicle are sent to the vehicle body controller 3, a switch of the relay 2 is connected in a power supply loop of the battery, a coil of the relay 2 is connected with the vehicle body controller 3 through a hard wire, the vehicle body controller 3 CAN control the switch of the relay 2 to be closed/opened so that the whole vehicle is electrified or powered off (namely, the power supply of the battery is switched on/off), the vehicle body controller 3 is connected with the gateway controller 4 through a CAN wire, the vehicle body controller 3 CAN send the received SOC data of the battery and the static current data of the whole vehicle to the gateway controller 4 through the CAN wire, the diagnosis interface 7 is connected with the gateway controller 4 through the CAN wire, the gateway controller 4 is connected with the HU controller 5 through the CAN wire, and the HU controller 5 and the gateway controller 4 are communicated with the HU controller 6 through the CAN wire after the HU controller and the HU controller 4 are communicated with the HU controller 6 through the wireless communication station 6.
The automobile static power management method as shown in fig. 2 and 3 adopts the automobile static power management system, and the method comprises the following steps:
s1, the gateway controller 4 judges whether the whole vehicle power supply is in an OFF gear and the vehicle is in a locking state, if so, the S2 is executed, otherwise, the S1 is continuously executed;
s2, the gateway controller 4 starts a network diagnosis timing clock, and then S3 is executed;
s3, the gateway controller 4 acquires a network dormancy message (including whether dormancy, dormancy entering time, awakening time and the like) sent by each controller, and then executes S4;
s4, the gateway controller 4 judges whether the whole vehicle network is dormant, if so, the gateway controller 4 stops timing, then S15 is executed, otherwise S5 is executed;
s5, the gateway controller 4 judges whether the timing time reaches a preset time threshold, if so, the S6 is executed, otherwise, the S3 is executed in a return mode;
s6, the gateway controller 4 records related data of the non-dormant controller (such as ID of the non-dormant controller, non-dormant times of the non-dormant controller and the like), stores the related data of the non-dormant controller in the diagnosis ID, simultaneously sends the related data of the non-dormant controller to the HU controller 5, and then executes S7;
s7, the HU controller 5 uploads relevant data of the controller which is not dormant to the background server 6 through the 4G network, and then S8 is executed;
s8, the background server 6 stores related data of the non-dormant controller, locks the non-dormant controller (namely, identifies the non-dormant controller), sends a reset instruction of the non-dormant controller to the HU controller 5 through the 4G network, and then executes S9;
s9, the HU controller 5 judges whether a reset condition is met (namely, judges whether the whole vehicle power supply is in an OFF gear), if so, the S10 is executed, and if not, the process is finished;
s10, the HU controller 5 sends a reset instruction of the controller which is not dormant to the gateway controller 4, and then S11 is executed;
s11, the gateway controller 4 maps a reset instruction of the controller which is not dormant and sends the reset instruction to the controller which is not dormant, and then S12 is executed;
s12, the gateway controller 4 judges whether all the non-dormant controllers are successfully reset, if so, the whole vehicle network dormancy is judged, then S15 is executed, and otherwise S13 is executed;
s13, the gateway controller 4 records the related data of the controller which is not reset successfully (such as the ID of the controller which is not reset successfully), stores the related data of the controller which is not reset successfully in the diagnosis ID, simultaneously sends the related data of the controller which is not reset successfully to the HU controller 5, and then executes S14;
s14, the HU controller 5 uploads the related data of the controller which is not reset successfully to the background server 6 through the 4G network, the background server 5 stores the related data of the controller which is not reset successfully, and then S15 is executed;
s15, the gateway controller 4 judges whether the whole vehicle power supply is in an OFF gear and the vehicle is in a locking state, if so, the S16 is executed, otherwise, the process is finished;
s16, the gateway controller 4 judges whether the SOC data of the storage battery and the static current data of the whole vehicle sent by the vehicle body controller 3 are received, if yes, S17 is executed, otherwise S15 is executed in a return mode;
s17, the gateway controller 4 records the SOC data and the static current data and stores the SOC data and the static current data in the diagnosis ID, simultaneously sends the SOC data and the static current data to the HU controller 5, and then executes S18;
s18, the HU controller 5 uploads the SOC data and the static current data to the background server 6 through a 4G network, and then S19 is executed;
s19, the background server 6 stores the SOC data and the static current data, sends a message for reminding a user of igniting and charging to the mobile phone, and then executes S20;
s20, the vehicle body controller 3 judges whether the SOC of the storage battery is less than 30%, if so, S21 is executed, otherwise S15 is executed in a return mode;
s21, the vehicle body controller 3 controls the switch of the relay 2 to be turned off, the whole vehicle is powered off, and then the vehicle is ended.
After the whole vehicle is powered off, the vehicle body controller 3 maintains some matrixes to work by means of the residual electric quantity of the vehicle body controller, a driver only opens a vehicle door through a mechanical key, when the vehicle door is opened, the vehicle body controller 3 detects that the vehicle door is opened, then the switch of the control relay 2 is closed, the power supply loop of the storage battery is connected, the whole vehicle is electrified, the whole vehicle network wakes up, the storage battery has the electric quantity slightly less than 30%, and the vehicle can be started normally.
Claims (5)
1. The automobile static power supply management system comprises a storage battery sensor (1), a relay (2), a vehicle body controller (3), a gateway controller (4), a HU controller (5), a background server (6) and N controllers connected with the gateway controller (4) through CAN wires, wherein the storage battery sensor (1) is arranged at the negative end of the storage battery, the storage battery sensor (1) is connected with the vehicle body controller (3) through a LIN wire, the storage battery sensor monitors the SOC of the storage battery and the static current of the whole vehicle, when the SOC of the storage battery is smaller than a first preset SOC threshold value or the static current of the whole vehicle exceeds a standard, the SOC data of the storage battery and the static current data of the whole vehicle are sent to the vehicle body controller, a switch of the relay (2) is connected in a power supply loop of the storage battery, a coil of the relay (2) is connected with the vehicle body controller (3) through a hard wire, the vehicle body controller (3) CAN control the switch of the relay (2) to be closed/opened, the vehicle body controller (3) is connected with the gateway controller (4) through the CAN wires, and the HU controller (5) is connected with the HU controller (5) through the CAN wire;
characterized in that the method comprises the following steps:
s1, a gateway controller (4) judges whether a whole vehicle power supply is in an OFF gear and a vehicle is in a locking state, if so, S2 is executed, otherwise, S1 is continuously executed;
s2, a gateway controller (4) starts a network diagnosis timing clock, and then S3 is executed;
s3, the gateway controller (4) acquires a network dormancy message sent by each controller, and then the S4 is executed;
s4, the gateway controller (4) judges whether the whole vehicle network is dormant, if so, the gateway controller (4) stops timing, then S15 is executed, and otherwise S5 is executed;
s5, the gateway controller (4) judges whether the timing time reaches a preset time threshold, if so, S6 is executed, otherwise, S3 is executed in a return mode;
s6, the gateway controller (4) records related data of the non-dormant controller, stores the related data of the non-dormant controller in the diagnosis ID, simultaneously sends the related data of the non-dormant controller to the HU controller (5), and then executes S7;
s7, the HU controller (5) uploads relevant data of the controller which is not dormant to the background server (6), and then S8 is executed;
s8, the background server (6) stores related data of the controller which is not dormant, locks the controller which is not dormant, sends a reset instruction of the controller which is not dormant to the HU controller, and then executes S9;
s9, the HU controller (5) judges whether a reset condition is met, if yes, S10 is executed, and if not, the process is finished;
s10, the HU controller (5) sends a reset instruction of the controller which is not dormant to the gateway controller (4), and then S11 is executed;
s11, the gateway controller (4) maps a reset instruction of the controller which is not dormant and sends the reset instruction to the controller which is not dormant, and then S12 is executed;
s12, the gateway controller (4) judges whether all the non-dormant controllers are successfully reset, if so, the whole vehicle network dormancy is judged, then S15 is executed, and otherwise S13 is executed;
s13, the gateway controller (4) records the related data of the controller which is not reset successfully, stores the related data of the controller which is not reset successfully in the diagnosis ID, simultaneously sends the related data of the controller which is not reset successfully to the HU controller, and then executes S14;
s14, the HU controller (5) uploads the related data of the controller which is not reset successfully to the background server (6), the background server stores the related data of the controller which is not reset successfully, and then S15 is executed;
s15, the gateway controller (4) judges whether the whole vehicle power supply is in an OFF gear and the vehicle is in a locking state, if so, S16 is executed, otherwise, the process is finished;
s16, the gateway controller (4) judges whether SOC data of the storage battery and static current data of the whole vehicle sent by the vehicle body controller (3) are received, if yes, S17 is executed, otherwise S15 is executed in a return mode;
s17, the gateway controller (4) records the SOC data and the static current data and stores the SOC data and the static current data in the diagnosis ID, simultaneously sends the SOC data and the static current data to the HU controller, and then executes S18;
s18, the HU controller (5) uploads the SOC data and the static current data to the background server (6), and then S19 is executed;
s19, the background server (6) stores the SOC data and the static current data, sends a message for reminding a user of igniting and charging to the mobile phone, and then executes S20;
s20, the vehicle body controller (3) judges whether the SOC of the storage battery is smaller than a second preset SOC threshold value, if so, S21 is executed, and otherwise, S15 is executed in a return mode;
s21, a vehicle body controller (3) controls the switch of the relay (2) to be turned off, the whole vehicle is powered off, and then the vehicle is ended.
2. The method for managing a static power supply of an automobile according to claim 1, wherein: the system also comprises a diagnosis interface (7), and the diagnosis interface (7) is connected with the gateway controller (4) through a CAN line.
3. The automobile static power management method according to claim 1 or 2, characterized in that: the HU controller (5) is internally provided with a 4G module, and the HU controller (5) is in wireless communication with the background server (6) through the 4G module.
4. The method for managing a static power supply of an automobile according to claim 1, wherein: if the whole vehicle power supply is in the OFF gear, the reset condition is met, otherwise, the reset condition is not met.
5. The method for managing a static power supply of an automobile according to claim 4, wherein: the first preset SOC threshold is 50%, and the second preset SOC threshold is 30%.
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| CN202010477222.8A CN111619473B (en) | 2020-05-29 | 2020-05-29 | Automobile static power supply management system and management method |
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| CN113009354B (en) * | 2021-04-30 | 2022-12-09 | 重庆长安汽车股份有限公司 | Vehicle storage battery state monitoring method and system |
| CN113715755A (en) * | 2021-07-14 | 2021-11-30 | 江铃汽车股份有限公司 | Vehicle power failure early warning method and system, readable storage medium and vehicle |
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| CN113771783A (en) * | 2021-10-27 | 2021-12-10 | 奇瑞商用车（安徽）有限公司 | Control system and method for reducing vehicle quiescent current |
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