CN117698614A - Commercial vehicle power supply system control method, device, equipment and storage medium - Google Patents
Commercial vehicle power supply system control method, device, equipment and storage medium Download PDFInfo
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Abstract
The invention discloses a control method, a device, equipment and a storage medium of a commercial vehicle power supply system, wherein the method comprises the following steps: if the first power scene is in the first power scene, generating a power switch control instruction, controlling the power switch to act through the power switch control instruction, and performing first-stage power distribution; acquiring an ignition control instruction, generating an ignition switch control instruction through the ignition control instruction, controlling the action of an ignition switch through the ignition switch control instruction, and performing first-stage and second-stage power distribution; generating a first steady-state switch control instruction according to the ignition control instruction, controlling the first steady-state switch to act through the first steady-state switch control instruction, and performing second-stage power distribution; generating a second steady-state switch control instruction through the first power-down control instruction of the whole vehicle, controlling the second steady-state switch to act through the second steady-state switch control instruction, and performing a first power-down process; and controlling the action of a power-down switch of the vehicle load through a second power-down control command of the whole vehicle, and performing a second power-down process.
Description
Technical Field
The embodiment of the invention relates to a vehicle engineering technology, in particular to a method, a device, equipment and a storage medium for controlling a power supply system of a commercial vehicle.
Background
With the technology upgrading of various systems of commercial vehicles and the increase of functional demands of market users, various electronic and electric assemblies on the vehicles are increasingly increased, including various devices such as controllers, electromagnetic valves, sensors, power devices and the like, particularly various technical routes of new energy vehicle type fuel-electricity, hybrid power, pure electricity, electricity replacement and the like are updated, rapid increase of vehicle-end electronic and electric components is brought, and the demands of system use scenes are higher on the demands of work dormancy.
However, the electric performance of the devices of each large assembly system of the new energy source such as dormancy wakeup, working current, static power consumption and the like are uneven, the devices are integrated on the whole vehicle system, so that the dormancy wakeup strategy of the whole vehicle system is complex, the static power consumption is large, the traditional power management system is operated manually to ensure the power-off state of the whole vehicle, and the potential power consumption possibility of the whole vehicle exists; in addition, the whole vehicle power supply system needs to regularly maintain the storage battery in use scenes such as long-term parking, and the power distribution of various high-power loads and conventional loads is distributed, so that the integration advantage is lacked.
To sum up, the power supply system in the prior art has the following drawbacks: the power distribution compatibility, the maintenance-free performance of the system, the intelligent power-off, the reliable safety and the comprehensive performance and the like can not meet the use requirements of different whole vehicle technical platforms of commercial vehicles
Disclosure of Invention
The invention provides a control method, a device, equipment and a storage medium for a commercial vehicle power supply system, which are used for achieving the purposes of enabling the power supply system to meet the requirements of whole vehicle electronic and electric power supply and intelligent supply and meeting the requirements of large power and conventional comprehensive integrated power distribution of the whole vehicle system.
In a first aspect, an embodiment of the present invention provides a method for controlling a power supply system of a commercial vehicle, including:
judging whether the vehicle is in a first electric scene or not, if so, generating a power switch control instruction, controlling the power switch to act through the power switch control instruction, and performing first-stage power distribution;
acquiring an ignition control instruction, generating an ignition switch control instruction through the ignition control instruction, controlling an ignition switch to act through the ignition switch control instruction, and performing first-stage and second-stage power distribution;
generating a first steady-state switch control instruction according to the ignition control instruction, controlling the first steady-state switch to act through the first steady-state switch control instruction, and performing second-stage power distribution;
acquiring a first power-down control command of the whole vehicle, generating a second steady-state switch control command through the first power-down control command of the whole vehicle, controlling a second steady-state switch to act through the second steady-state switch control command, and performing a first power-down process;
and controlling the action of a power-down switch of the vehicle load through a second power-down control command of the whole vehicle, and performing a second power-down process.
Optionally, the method further comprises:
acquiring a storage battery supplementing control instruction, generating a DCDC control instruction through the storage battery supplementing control instruction, and controlling a DCDC unit to act through the DCDC control instruction so as to supplement electricity to the storage battery through a power battery or a charging device;
the functions of the storage battery include: and the working power supply is used as the power supply switch, the ignition switch, the first steady-state switch and the second steady-state switch.
Optionally, the method further comprises the steps of receiving a user power-up request, and generating a whole vehicle network wake-up instruction through the user power-up request;
the whole vehicle network wake-up instruction is at least used for waking up the DCDC unit network, the storage battery network, the power battery network and the charging device network so as to supplement electricity for the storage battery through the power battery or the charging device.
Optionally, determining whether a preset power-up period is reached;
when the power supply period is reached, judging whether the voltage of the storage battery is smaller than a first voltage threshold value;
whether the voltage of the storage battery is smaller than a first voltage threshold value or not is controlled to supplement electricity to the storage battery;
and when the power supplementing time is longer than a preset time or the voltage of the storage battery is greater than a second voltage threshold, controlling to stop supplementing the power to the storage battery.
Optionally, the method further comprises:
collecting one or more of storage battery voltage, braking state, hand brake state and ignition switch state;
and generating a third power-down control instruction and/or storage battery power-up state information through storage battery voltage, a braking state, a hand brake state and/or an ignition switch state.
Optionally, the method further comprises:
collecting power battery state fault information, charging gun state information and vehicle door state information;
and determining whether to generate the storage battery compensation control instruction according to the power battery state fault information, the charging gun state information, the vehicle door state information and the storage battery state information.
Optionally, the power-up period is five days, the preset time period is 0.5-2 h, the first voltage threshold is 24.6-26.8V, and the second voltage threshold is 27.9V.
In a second aspect, an embodiment of the present invention further provides a commercial vehicle power supply system control device, including a commercial vehicle power supply system control unit, where the commercial vehicle power supply system control unit is configured to:
judging whether the vehicle is in a first electric scene or not, if so, generating a power switch control instruction, controlling the power switch to act through the power switch control instruction, and performing first-stage power distribution;
acquiring an ignition control instruction, generating an ignition switch control instruction through the ignition control instruction, controlling an ignition switch to act through the ignition switch control instruction, and performing first-stage and second-stage power distribution;
generating a first steady-state switch control instruction according to the ignition control instruction, controlling the first steady-state switch to act through the first steady-state switch control instruction, and performing second-stage power distribution;
acquiring a first power-down control command of the whole vehicle, generating a second steady-state switch control command through the first power-down control command of the whole vehicle, controlling a second steady-state switch to act through the second steady-state switch control command, and performing a first power-down process;
and controlling the action of a power-down switch of the vehicle load through a second power-down control command of the whole vehicle, and performing a second power-down process.
In a third aspect, an embodiment of the present invention further provides an electronic device, including at least one processor, and a memory communicatively connected to the at least one processor;
the memory stores a computer program executable by the at least one processor, and the computer program is executed by the at least one processor, so that the at least one processor can execute any one of the commercial vehicle power supply system control methods described in the embodiments of the present invention.
In a fourth aspect, an embodiment of the present invention further provides a computer readable storage medium, where the computer readable storage medium stores computer instructions, where the computer instructions are configured to cause a processor to execute any one of the control methods for a power supply system of a commercial vehicle according to the embodiments of the present invention.
Compared with the prior art, the invention has the beneficial effects that: the embodiment provides a control method for a commercial vehicle power supply system, which can meet the electronic and electric power supply requirements and intelligent supply of the whole vehicle, meet the high-power and conventional integrated power distribution requirements of the whole vehicle system, effectively control the static power consumption of the whole vehicle system by adopting a constant power minimization control method and a system power supply and distribution scheme of a double-power-off control scheme, comprehensively realize the intelligent power-off and emergency power-off functions, ensure the safety of the whole vehicle and improve the use convenience of users.
Drawings
FIG. 1 is a flow chart of a method of controlling a commercial vehicle power system in an embodiment;
FIG. 2 is a block diagram of a commercial vehicle power system in an embodiment;
FIG. 3 is a block diagram of another commercial vehicle power system in an embodiment;
FIG. 4 is a flow chart of another method of controlling a power system of a commercial vehicle in an embodiment;
FIG. 5 is a front view of the integrated power management unit in an embodiment;
FIG. 6 is a rear view of the integrated power management unit in an embodiment;
fig. 7 is a schematic diagram of the structure of an electronic device in the embodiment.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
Example 1
Fig. 1 is a flowchart of a commercial vehicle power supply system control method in an embodiment, and referring to fig. 1, the commercial vehicle power supply system control method includes:
s101, judging whether the vehicle is in a first electric scene, if so, generating a power switch control instruction, controlling the power switch to act through the power switch control instruction, and performing first-stage power distribution.
In this embodiment, the first electric scene is used to represent a non-use electric scene for a commercial vehicle, where the non-use electric scene may include a non-use electric scene such as an emergency power down of the whole vehicle, long-term parking, transportation, and the like.
FIG. 2 is a block diagram of a commercial vehicle power supply system in an embodiment, and referring to FIG. 2, in this embodiment, the commercial vehicle power supply system is configured to include a battery, a power switch, an ignition switch, and a first steady-state switch;
the storage battery is connected with the ignition switch and the first steady-state switch through the power switch, and when the power switch is disconnected, a power circuit between the storage battery and the ignition switch and between the storage battery and the first steady-state switch is disconnected.
In this embodiment, a power switch control instruction is set to implement control over a power switch, where the power switch control instruction may be specifically set to control the power switch to be turned off;
aiming at the non-use electric field scene, when the power switch is turned off, the ignition switch related power circuit and the first steady-state switch related power circuit are turned off, and the storage battery does not supply power to the power circuit, so that the first-stage power distribution is realized.
In this embodiment, the manner of determining whether the vehicle is in the first electric scene is not limited, for example, whether the vehicle is in the first electric scene may be determined by determining whether the vehicle is in a specified working condition;
the specified working conditions (parameters) can be determined by means of simulation tests, calibration tests and the like.
S102, acquiring an ignition control instruction, generating an ignition switch control instruction through the ignition control instruction, controlling the ignition switch to act through the ignition switch control instruction, and performing first-stage and second-stage power distribution.
In this embodiment, an ignition switch control command is set for realizing control of the ignition switch;
when the ignition switch acts, a power supply loop related to the ignition switch is conducted, and the storage battery provides power for the ignition system with the help of the ignition switch, so that the first-stage power supply and the second-stage power supply are distributed.
S103, a first steady-state switch control instruction is generated according to the ignition control instruction, the first steady-state switch is controlled to act through the first steady-state switch control instruction, and second-stage power supply distribution is conducted.
In this embodiment, the first steady-state switch control command is set to control the first steady-state switch;
the first steady-state switch is specifically configured to implement ACC electric control on the vehicle, and when ACC point control is implemented, the storage battery can supply power to specified electronic devices (such as a vehicle lamp, a sound device, an air conditioner, etc.) on the vehicle through the first steady-state switch.
In this embodiment, after the ignition control command is generated and the ignition control is completed, a first steady-state switch control command is generated according to the user's use requirement, that is, the ACC electric control is performed, so as to form an intelligent power-on and power-off control mode controlled by the ignition switch.
S104, acquiring a first power-down control command of the whole vehicle, generating a second steady-state switch control command through the first power-down control command of the whole vehicle, controlling the second steady-state switch to act through the second steady-state switch control command, and performing a first power-down process.
In this embodiment, the second steady-state switch control command is used to implement control of the second steady-state switch;
the second steady-state switch is set to directly take electricity from the storage battery, and a vehicle VCU (Vehicle Control Unit, vehicle controller) can be configured to control the second steady-state switch.
In this embodiment, the first command for power-down of the whole vehicle may be configured to instruct power-down of high-voltage components (such as a motor controller, a vehicle-mounted charger, a starter motor, an electric compressor, a PTC heater, etc.) of the whole vehicle, and the VCU may be configured to generate the second command for steady-state switch control after the first command for power-down of the whole vehicle is acquired.
In this embodiment, when the second steady-state switch is operated, the low-voltage power-related component (for example, the motor control system controller, the high-voltage control controller, etc.) related to the power-down of the high-voltage component of the whole vehicle is powered down, that is, the first power-down process is performed.
S105, controlling the action of a power-down switch of the vehicle load through a second power-down control command of the whole vehicle, and performing a second power-down process.
For example, in this embodiment, the second power-down control instruction of the whole vehicle may be configured to instruct (a) load of the vehicle to power down;
the power integrated management unit can be configured to acquire a second power-down control instruction, and control the power-down switch action of the specified vehicle load to enable the corresponding vehicle load to be powered down, namely, to perform a second power-down process.
The embodiment provides a control method for a commercial vehicle power supply system, which can meet the electronic and electric power supply requirements and intelligent supply of the whole vehicle, meet the high-power and conventional integrated power distribution requirements of the whole vehicle system, effectively control the static power consumption of the whole vehicle system by adopting a constant power minimization control method and a system power supply and distribution scheme of a double-power-off control scheme, comprehensively realize the intelligent power-off and emergency power-off functions, ensure the safety of the whole vehicle and improve the use convenience of users.
Fig. 3 is a block diagram of another commercial vehicle power supply system according to an embodiment, and referring to fig. 3, based on the schemes shown in fig. 1 and fig. 2, in one possible embodiment, the method for controlling a commercial vehicle power supply system further includes:
acquiring a storage battery recharging control instruction, generating a DCDC control instruction through the storage battery recharging control instruction, and controlling a DCDC unit to act through the DCDC control instruction so as to recharge the storage battery through a power battery or a charging device;
the functions of the storage battery include: the working power supply is used as a power supply switch, an ignition switch, a first steady-state switch and a second steady-state switch.
Referring to fig. 3, in this embodiment, a battery is used as a low-voltage power source, and the battery is used to supply power to a power switch, an ignition switch, a first steady-state switch, a second steady-state switch, and a VCU.
For example, in this embodiment, the BMS of the battery may be configured to detect a state of the battery (e.g., battery voltage, SOC, etc.), generate a battery replenishment control command when the remaining capacity of the battery is too low, configure the VCU to acquire the battery replenishment control command, and generate a DCDC control command;
the DCDC control command may be configured to start DCDC, and further cause the power battery or the charging device (via the charging port) to recharge the storage battery.
On the basis of the beneficial effects of the scheme shown in fig. 1, in one implementation scheme, the control method of the commercial vehicle power supply system also adopts a driving power supply and intelligent power supply scheme, and realizes long power supply and supply cycle of the system and maintenance-free storage batteries.
On the basis of acquiring a storage battery power-up control instruction, generating a DCDC control instruction through the storage battery power-up control instruction, controlling a DCDC unit to act through the DCDC control instruction, and further providing power for the storage battery, in one implementation scheme, the commercial vehicle power supply system control method further comprises the following steps:
receiving a user power-up request, and generating a whole vehicle network awakening instruction through the user power-up request;
the whole-vehicle network wake-up instruction is at least used for waking up the DCDC unit network, the storage battery network, the power battery network and the charging device network so as to supplement electricity for the storage battery through the power battery or the charging device.
In this embodiment, the user may generate and send a user power-up request according to the APP, and the background forwards the user power-up request sent by the APP to the TBOX;
the VCU receives a user electricity supplementing request through the TBOX and generates a whole vehicle network awakening instruction so as to awaken the DCDC unit network, the storage battery network, the power battery network and the charging device network to allow the power battery or the charging device to supplement electricity for the storage battery.
On the basis of acquiring a storage battery power-up control instruction, generating a DCDC control instruction through the storage battery power-up control instruction, controlling a DCDC unit to act through the DCDC control instruction, and further providing power for the storage battery, in one implementation scheme, the commercial vehicle power supply system control method further comprises the following steps:
determining whether a preset power supply period is reached;
when the power-up period is reached, judging whether the voltage of the storage battery is smaller than a first voltage threshold value;
whether the voltage of the storage battery is smaller than a first voltage threshold value or not, and controlling the power supply of the storage battery;
and when the power supplementing time is longer than the preset time or the voltage of the storage battery is greater than the second voltage threshold, controlling to stop supplementing the power to the storage battery.
In this embodiment, the power-up period is set as a time period, and when the time period from the last power-up reaches the preset power-up period, the background wakes up the power-up flow of the storage battery.
In the scheme, when the battery charging process is activated, whether the battery is charged is further judged;
specifically, whether the voltage of the storage battery is smaller than a first voltage threshold value or not is judged, whether the voltage of the storage battery is smaller than the first voltage threshold value or not is judged, and the storage battery is controlled to be charged;
meanwhile, after the battery is charged, when the charging time length is longer than the preset time length or the voltage of the battery is greater than the second voltage threshold value, the battery is controlled to stop charging.
Further, in one embodiment, the power-up period is set to five days, the preset duration is set to 0.5-2 hours, the first voltage threshold is set to 24.6-26.8V, and the second voltage threshold is set to 27.9V.
In this solution, the preset time periods may be different, and the first voltage thresholds may be different, according to the types of the storage batteries;
for example, for lead-acid batteries, the preset duration may be 1-2 hours, for lithium batteries, the preset duration may be 0.5-1 hour;
the first voltage threshold may be 24.6V for a lead-acid battery and 26.8V for a lithium battery.
For example, in this solution, the second voltage thresholds may be the same according to the types of the storage batteries, and the second voltage thresholds may be 27.9V.
On the basis of acquiring a storage battery power-up control instruction, generating a DCDC control instruction through the storage battery power-up control instruction, controlling a DCDC unit to act through the DCDC control instruction, and further providing power for the storage battery, in one implementation scheme, the commercial vehicle power supply system control method further comprises the following steps:
collecting one or more of storage battery voltage, braking state, hand brake state and ignition switch state;
and generating a third power-down control instruction and/or storage battery power-up state information through storage battery voltage, a braking state, a hand brake state and/or an ignition switch state.
In this embodiment, the third power-off control command is set for power-off control of the high-voltage component of the whole vehicle.
For example, in the scheme, it can be determined how to generate the third power-down control instruction or the battery power-up state information according to one or more of the battery voltage, the braking state, the hand brake state and the ignition switch state through a simulation test, a calibration test and the like.
For example, in the present solution, the battery recharging status information may be used to determine whether to allow battery recharging.
On the basis of acquiring a storage battery power-up control instruction, generating a DCDC control instruction through the storage battery power-up control instruction, controlling a DCDC unit to act through the DCDC control instruction, and further providing power for the storage battery, in one implementation scheme, the commercial vehicle power supply system control method further comprises the following steps:
collecting power battery state fault information, charging gun state information and vehicle door state information;
and determining whether to generate a storage battery compensation control instruction according to the power battery state fault information, the charging gun state information, the vehicle door state information and the storage battery state information.
In the scheme, the BMS of the power battery can be configured to collect power battery state fault information and charging gun state information, and the BCM/DCM is configured to collect vehicle door state information;
the configuration VUC determines whether to generate a battery replenishment control command based on the power battery status fault information, the charge gun status information, the door status information, and the battery status information.
In the scheme, the method and the device can determine whether to generate the storage battery compensation control instruction or not through the power battery state fault information, the charging gun state information, the vehicle door state information and the storage battery state information in a simulation test, a calibration test and other modes.
Fig. 4 is a flowchart of another control method of a power supply system of a commercial vehicle in an example, and referring to fig. 3 and 4, based on the foregoing aspects, in one embodiment, the control method of a power supply system of a commercial vehicle includes:
s101, judging whether the vehicle is in a first electric scene, if so, generating a power switch control instruction, controlling the power switch to act through the power switch control instruction, and performing first-stage power distribution.
S102, acquiring an ignition control instruction, generating an ignition switch control instruction through the ignition control instruction, controlling the ignition switch to act through the ignition switch control instruction, and performing first-stage and second-stage power distribution.
S103, a first steady-state switch control instruction is generated according to the ignition control instruction, the first steady-state switch is controlled to act through the first steady-state switch control instruction, and second-stage power supply distribution is conducted.
S104, acquiring a first power-down control command of the whole vehicle, generating a second steady-state switch control command through the first power-down control command of the whole vehicle, controlling the second steady-state switch to act through the second steady-state switch control command, and performing a first power-down process.
S105, controlling the action of a power-down switch of the vehicle load through a second power-down control command of the whole vehicle, and performing a second power-down process.
In this embodiment, the specific embodiments of step S101 to step S105 are the same as those described in the above-described corresponding embodiments, and will not be described in detail here.
S106, acquiring a storage battery recharging control instruction, generating a DCDC control instruction through the storage battery recharging control instruction, and controlling the DCDC unit to act through the DCDC control instruction so as to recharge the storage battery through a power battery or a charging device.
In this scheme, for the battery carry out the moisturizing can also specifically include:
receiving a user power-up request, and generating a whole vehicle network awakening instruction through the user power-up request;
the whole vehicle network awakening instruction is at least used for awakening the DCDC unit network, the storage battery network, the power battery network and the charging device network so as to supplement electricity for the storage battery through the power battery or the charging device;
determining whether a preset power supply period is reached;
when the power-up period is reached, judging whether the voltage of the storage battery is smaller than a first voltage threshold value;
whether the voltage of the storage battery is smaller than a first voltage threshold value or not, and controlling the power supply of the storage battery;
when the power supplementing time is longer than the preset time or the voltage of the storage battery is greater than a second voltage threshold, controlling to stop supplementing power to the storage battery;
collecting one or more of storage battery voltage, braking state, hand brake state and ignition switch state;
generating a third power-down control instruction and/or storage battery power-up state information through storage battery voltage, a braking state, a hand brake state and/or an ignition switch state;
collecting power battery state fault information, charging gun state information and vehicle door state information;
and determining whether to generate a storage battery compensation control instruction according to the power battery state fault information, the charging gun state information, the vehicle door state information and the storage battery state information.
In the scheme, the background power-up wakeup time is 5 days, the voltage of the lead-acid storage battery is lower than 24.6V, and the voltage of the lithium battery is lower than 26.8V;
1-2h of lead-acid power supply, 0.5-1h of lithium power supply, and exiting every 0.5h, and exiting when the collected voltage is 27.9V (the parameters of different storage battery products can be configured);
the voltage of the low-voltage storage battery is lower than the limit value (as above), the SOC of the power battery is higher than the limit value, and the whole vehicle is in a parking sleep fault-free state.
In the scheme, the power supply, power off and integrated control system adopts the power switch to perform primary manual power off control, namely, the whole vehicle is powered off in an emergency, parked for a long time, transported for a long time and the like, and the static power consumption of the whole vehicle is controlled;
the ignition switch performs secondary power distribution, the first steady-state switch performs secondary power off ACC electric control, an intelligent power-off control power-off mode controlled by the ignition switch is formed, intelligent power-off and emergency power-off functions are comprehensively realized, the safety of the whole automobile is ensured, and the use convenience of a user is improved;
the second steady-state switch directly takes the constant electricity of the electric storage battery, and adopts the control of the whole vehicle VCU to form the low-voltage electricity of the high-voltage electricity-related electricity-involved component of the whole vehicle;
the power integrated management unit collects the work completion state of the low-voltage load, controls the low-voltage load to be electrified, forms three-level power control together, and realizes the constant electricity minimum control of the whole vehicle;
the system comprises a BMS, a BCM, a power supply system and a power supply system, wherein the BMS and the BCM are used as acquisition units for acquiring vehicle related state information;
the VCU and the multiple-in-one are used as a control unit to control high-voltage power-on, and the TBOX, the background, the APP and the instrument are used as a monitoring unit to display the charging state of the whole vehicle and the user selects charging;
the BMS is adopted to collect and report state faults of the power battery and state information of the charging gun;
BCM/DCM collects and reports the state information of the vehicle door;
the VCU receives the intelligent power supply request, collects the states of voltage, brake, hand brake and ignition switch, judges the intelligent power supply entering condition, controls the high-voltage power supply and the low-voltage power supply, and sends the intelligent power supply state to the TBOX;
the all-in-one receiving VCU controls the high-voltage power-on request, collects and reports all-in-one state and fault information, controls DCDC to work, and supplements power for the low-voltage storage battery;
the TBOX receives the background short message, sends a low-voltage storage battery power-on request, wakes up the whole vehicle network, calculates power-on wake-up time in the background, and sends the short message to the TBOX at regular time;
APP users set a power supply mode, remotely monitor the state of the vehicle and remind the users of timely supplying power;
the instrument monitors the voltage, characters, sound and fault lamp of the storage battery, displays an alarm and displays the charging state.
Example two
The embodiment provides a commercial car power supply system control device, including commercial car power supply system control unit, commercial car power supply system control unit is used for:
judging whether the vehicle is in a first electric scene or not, if so, generating a power switch control instruction, controlling the power switch to act through the power switch control instruction, and performing first-stage power distribution;
acquiring an ignition control instruction, generating an ignition switch control instruction through the ignition control instruction, controlling the action of an ignition switch through the ignition switch control instruction, and performing first-stage and second-stage power distribution;
generating a first steady-state switch control instruction according to the ignition control instruction, controlling the first steady-state switch to act through the first steady-state switch control instruction, and performing second-stage power distribution;
acquiring a first power-down control command of the whole vehicle, generating a second steady-state switch control command through the first power-down control command of the whole vehicle, controlling the second steady-state switch to act through the second steady-state switch control command, and performing a first power-down process;
and controlling the action of a power-down switch of the vehicle load through a second power-down control command of the whole vehicle, and performing a second power-down process.
In this embodiment, the commercial vehicle power supply system control unit may be specifically configured to implement any one of the commercial vehicle power supply system control methods in the first embodiment, and its implementation manner and beneficial effects are the same as those of the corresponding content described in the first embodiment, which is not described herein again.
Example III
Fig. 5 is a front view of the power integrated management unit in the embodiment, fig. 6 is a rear view of the power integrated management unit in the embodiment, and referring to fig. 3, fig. 5 and fig. 6, the present embodiment proposes a power integrated management unit including:
the box body, the circuit board, the connector port, the heavy current input line port, the heavy current output wiring port, the waterproof strip and the box cover;
the power supply integrated management unit is integrally designed by adopting an integrated assembly structure, is provided with 6 paths of MINI small insurance, 9 paths of MIDI insurance, 6 relays and 2 paths of power supply, and is compatible with the distribution and protection of a heavy current load and a conventional load power supply of the whole vehicle;
meanwhile, the integrated network CAN control integrated circuit design is adopted, so that decoupling with the whole vehicle control is realized, the integrated control of a whole electric system is realized, and the structural integration of the device and the application compatibility of multiple systems are improved; the application of the system can be expanded to different whole vehicle systems.
The power integrated management unit is also provided with a waterproof design, a sealing strip is designed between the upper cover of the box cover and the main body of the box body, and the sealing strip is made of silica gel;
the wiring structures of the terminals of the input (wire port) and the output (wire port) are all formed by directly coating and molding conductive sheets in a plastic shell;
the box cover is provided with a double-rib structure, the corresponding sealing part of the shell is provided with a sealing groove, and a silica gel sealing strip is arranged in the sealing groove of the shell;
when the box cover is assembled with the shell, the torque of the bolt is transmitted to the sealing strip through the box cover. The sealing strip is compressed and deformed by utilizing the double-rib structure on the box cover, and the double-rib structure of the box cover is in compression contact with the sealing strip, so that the sealing waterproof function requirement is met;
the PCB (circuit board) structure design, each loop reserves at least one level of overcurrent capacity;
the current carrying capacity of the copper foil is related to the type, number and heat dissipation conditions of the components mounted on the printed circuit board. The copper terminal welded on the circuit board of the fuse box is beneficial to heat dissipation of the circuit board and properly improves the current-carrying capacity of the circuit board.
The embodiment provides a power supply integrated management unit, which adopts an integrated design, an integrated assembly structure design, is compatible with the distribution and protection of a large current load and a conventional load power supply of the whole vehicle, and adopts an integrated network CAN controlled integrated circuit design, so that the decoupling with the control of the whole vehicle is realized, the integrated control of an integrated electrical system is realized, and the structural integrity of the device and the application compatibility of multiple systems are improved; the application of the system can be expanded to different whole vehicle systems.
Example IV
Fig. 7 shows a schematic diagram of the structure of an electronic device 10 that may be used to implement an embodiment of the invention. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. Electronic equipment may also represent various forms of mobile devices, such as personal digital processing, cellular telephones, smartphones, wearable devices (e.g., helmets, glasses, watches, etc.), and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the inventions described and/or claimed herein.
As shown in fig. 7, the electronic device 10 includes at least one processor 11, and a memory, such as a Read Only Memory (ROM) 12, a Random Access Memory (RAM) 13, etc., communicatively connected to the at least one processor 11, in which the memory stores a computer program executable by the at least one processor, and the processor 11 may perform various appropriate actions and processes according to the computer program stored in the Read Only Memory (ROM) 12 or the computer program loaded from the storage unit 18 into the Random Access Memory (RAM) 13. In the RAM 13, various programs and data required for the operation of the electronic device 10 may also be stored. The processor 11, the ROM 12 and the RAM 13 are connected to each other via a bus 14. An input/output (I/O) interface 15 is also connected to bus 14.
Various components in the electronic device 10 are connected to the I/O interface 15, including: an input unit 16 such as a keyboard, a mouse, etc.; an output unit 17 such as various types of displays, speakers, and the like; a storage unit 18 such as a magnetic disk, an optical disk, or the like; and a communication unit 19 such as a network card, modem, wireless communication transceiver, etc. The communication unit 19 allows the electronic device 10 to exchange information/data with other devices via a computer network, such as the internet, and/or various telecommunication networks.
The processor 11 may be a variety of general and/or special purpose processing components having processing and computing capabilities. Some examples of processor 11 include, but are not limited to, a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), various specialized Artificial Intelligence (AI) computing chips, various processors running machine learning model algorithms, digital Signal Processors (DSPs), and any suitable processor, controller, microcontroller, etc. The processor 11 performs the various methods and processes described above, such as a commercial vehicle power system control method.
In some embodiments, the commercial vehicle power system control method may be implemented as a computer program tangibly embodied on a computer-readable storage medium, such as the storage unit 18. In some embodiments, part or all of the computer program may be loaded and/or installed onto the electronic device 10 via the ROM 12 and/or the communication unit 19. When the computer program is loaded into RAM 13 and executed by processor 11, one or more steps of the commercial vehicle power supply system control method described above may be performed. Alternatively, in other embodiments, the processor 11 may be configured to perform the commercial vehicle power system control method by any other suitable means (e.g., by means of firmware).
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuit systems, field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), systems On Chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs, the one or more computer programs may be executed and/or interpreted on a programmable system including at least one programmable processor, which may be a special purpose or general-purpose programmable processor, that may receive data and instructions from, and transmit data and instructions to, a storage system, at least one input device, and at least one output device.
A computer program for carrying out methods of the present invention may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the computer programs, when executed by the processor, cause the functions/acts specified in the flowchart and/or block diagram block or blocks to be implemented. The computer program may execute entirely on the machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
In the context of the present invention, a computer-readable storage medium may be a tangible medium that can contain, or store a computer program for use by or in connection with an instruction execution system, apparatus, or device. The computer readable storage medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. Alternatively, the computer readable storage medium may be a machine readable signal medium. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
To provide for interaction with a user, the systems and techniques described here can be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and a pointing device (e.g., a mouse or a trackball) through which a user can provide input to the electronic device. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic input, speech input, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a background component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such background, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), wide Area Networks (WANs), blockchain networks, and the internet.
The computing system may include clients and servers. The client and server are typically remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The server can be a cloud server, also called a cloud computing server or a cloud host, and is a host product in a cloud computing service system, so that the defects of high management difficulty and weak service expansibility in the traditional physical hosts and VPS service are overcome.
Note that the above is only a preferred embodiment of the present invention and the technical principle applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
Claims (10)
1. A method for controlling a power supply system of a commercial vehicle, comprising:
judging whether the vehicle is in a first electric scene or not, if so, generating a power switch control instruction, controlling the power switch to act through the power switch control instruction, and performing first-stage power distribution;
acquiring an ignition control instruction, generating an ignition switch control instruction through the ignition control instruction, controlling an ignition switch to act through the ignition switch control instruction, and performing first-stage and second-stage power distribution;
generating a first steady-state switch control instruction according to the ignition control instruction, controlling the first steady-state switch to act through the first steady-state switch control instruction, and performing second-stage power distribution;
acquiring a first power-down control command of the whole vehicle, generating a second steady-state switch control command through the first power-down control command of the whole vehicle, controlling a second steady-state switch to act through the second steady-state switch control command, and performing a first power-down process;
and controlling the action of a power-down switch of the vehicle load through a second power-down control command of the whole vehicle, and performing a second power-down process.
2. The method for controlling a power supply system for a commercial vehicle according to claim 1, further comprising:
acquiring a storage battery supplementing control instruction, generating a DCDC control instruction through the storage battery supplementing control instruction, and controlling a DCDC unit to act through the DCDC control instruction so as to supplement electricity to the storage battery through a power battery or a charging device;
the functions of the storage battery include: and the working power supply is used as the power supply switch, the ignition switch, the first steady-state switch and the second steady-state switch.
3. The method for controlling a power supply system of a commercial vehicle according to claim 2, further comprising receiving a user power-up request, and generating a whole vehicle network wake-up instruction through the user power-up request;
the whole vehicle network wake-up instruction is at least used for waking up the DCDC unit network, the storage battery network, the power battery network and the charging device network so as to supplement electricity for the storage battery through the power battery or the charging device.
4. The control method of a commercial vehicle power supply system according to claim 2, wherein it is determined whether a preset power supply cycle is reached;
when the power supply period is reached, judging whether the voltage of the storage battery is smaller than a first voltage threshold value;
whether the voltage of the storage battery is smaller than a first voltage threshold value or not is controlled to supplement electricity to the storage battery;
and when the power supplementing time is longer than a preset time or the voltage of the storage battery is greater than a second voltage threshold, controlling to stop supplementing the power to the storage battery.
5. The method for controlling a power supply system for a commercial vehicle according to claim 2, further comprising:
collecting one or more of storage battery voltage, braking state, hand brake state and ignition switch state;
and generating a third power-down control instruction and/or storage battery power-up state information through storage battery voltage, a braking state, a hand brake state and/or an ignition switch state.
6. The method for controlling a power supply system for a commercial vehicle according to claim 2, further comprising:
collecting power battery state fault information, charging gun state information and vehicle door state information;
and determining whether to generate the storage battery compensation control instruction according to the power battery state fault information, the charging gun state information, the vehicle door state information and the storage battery state information.
7. The method for controlling a power supply system of a commercial vehicle according to claim 4, wherein the power supply period is five days, the preset time period is 0.5 to 2 hours, the first voltage threshold is 24.6V to 26.8V, and the second voltage threshold is 27.9V.
8. The utility vehicle power supply system control device is characterized by comprising a utility vehicle power supply system control unit, wherein the utility vehicle power supply system control unit is used for:
judging whether the vehicle is in a first electric scene or not, if so, generating a power switch control instruction, controlling the power switch to act through the power switch control instruction, and performing first-stage power distribution;
acquiring an ignition control instruction, generating an ignition switch control instruction through the ignition control instruction, controlling an ignition switch to act through the ignition switch control instruction, and performing first-stage and second-stage power distribution;
generating a first steady-state switch control instruction according to the ignition control instruction, controlling the first steady-state switch to act through the first steady-state switch control instruction, and performing second-stage power distribution;
acquiring a first power-down control command of the whole vehicle, generating a second steady-state switch control command through the first power-down control command of the whole vehicle, controlling a second steady-state switch to act through the second steady-state switch control command, and performing a first power-down process;
and controlling the action of a power-down switch of the vehicle load through a second power-down control command of the whole vehicle, and performing a second power-down process.
9. An electronic device comprising at least one processor, and a memory communicatively coupled to the at least one processor;
the memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the commercial vehicle power supply system control method of any one of claims 1-7.
10. A computer readable storage medium storing computer instructions for causing a processor to execute the commercial vehicle power supply system control method according to any one of claims 1-7.
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| CN202311728069.1A CN117698614A (en) | 2023-12-14 | 2023-12-14 | Commercial vehicle power supply system control method, device, equipment and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115891879A (en) * | 2022-11-29 | 2023-04-04 | 重庆长安汽车股份有限公司 | Power supply method and device after power failure of whole vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115891879A (en) * | 2022-11-29 | 2023-04-04 | 重庆长安汽车股份有限公司 | Power supply method and device after power failure of whole vehicle |
| CN115891879B (en) * | 2022-11-29 | 2024-05-14 | 重庆长安汽车股份有限公司 | Power supply method and device for powered-down whole vehicle |
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