CN-121989843-A - Control system for ignition lock power supply loop of vehicle power supply box

CN121989843ACN 121989843 ACN121989843 ACN 121989843ACN-121989843-A

Abstract

The invention discloses a control system of an ignition lock power supply loop for a vehicle power box, which comprises a mechanical ignition lock power supply circuit, a PEPS ignition lock power supply circuit, a first jump circuit, a second jump circuit and a storage battery, wherein the positive electrode of the storage battery is respectively and electrically connected with the mechanical ignition lock power supply circuit and the PEPS ignition lock power supply circuit, the first jump circuit is connected between the positive electrode of the storage battery and the mechanical ignition lock power supply circuit in series and used for switching on or off the power supply connection of the mechanical ignition lock power supply circuit, the second jump circuit is connected between the positive electrode of the storage battery and the PEPS ignition lock power supply circuit in series and used for switching on or off the power supply connection of the PEPS ignition lock power supply circuit, and the first jump circuit and the second jump circuit are switched on or off according to vehicle type configuration information so as to select the mechanical ignition lock power supply circuit or the PEPS ignition lock power supply circuit to supply a load. The invention can improve the universality and the use convenience of the electric box.

Inventors

ZHANG JING
ZUO WEICHEN
HU JIE
CHI YUHUA
DONG JIANJIAN
HOU JIANYE
ZHOU YI
DING YUEYUE
FAN YONGFENG
ZHAO LIFANG
YU QINWEN
SUN QIANG
LI HAILIANG
YANG DONG

Assignees

安徽江淮汽车集团股份有限公司

Dates

Publication Date: 20260508
Application Date: 20260323

Claims (9)

1. A control system for an ignition lock power supply loop of a vehicle power supply box is characterized by comprising a mechanical ignition lock power supply circuit, a PEPS ignition lock power supply circuit, a first jump circuit, a second jump circuit and a storage battery; The positive electrode of the storage battery is electrically connected with the mechanical ignition lock power circuit and the PEPS ignition lock power circuit respectively; the first jump circuit is connected in series between the positive electrode of the storage battery and the mechanical ignition lock power supply circuit and is used for switching on or off the power supply electrical connection of the mechanical ignition lock power supply circuit; the second jump circuit is connected in series between the positive electrode of the storage battery and the PEPS ignition lock power supply circuit and is used for switching on or off the power supply electric connection of the PEPS ignition lock power supply circuit; And switching on or off the first jump circuit and the second jump circuit according to the vehicle type configuration information so as to select the mechanical ignition lock power supply circuit or the PEPS ignition lock power supply circuit to supply power to a load.
2. The control system for an ignition lock power circuit of a vehicle power supply box of claim 1, further comprising a jump controller; the jump controller is respectively connected with the electronic switch control ends of the first jump circuit and the second jump circuit in a signal manner; The jump controller is connected with a vehicle controller of a vehicle through a CAN bus, and reads the vehicle type VIN code or the vehicle type configuration information of the vehicle controller through the CAN bus, so as to control the connection or disconnection of the first jump circuit and the second jump circuit according to the vehicle type VIN code or the vehicle type configuration information.
3. The control system for an ignition lock power supply circuit of a vehicle power supply box according to claim 2, wherein said electronic switch is a vehicle-gauge MOS switch.
4. A control system for an ignition lock power supply circuit of a vehicle power supply box according to claim 3, wherein the jumping devices of the first jumping circuit and the second jumping circuit can use a rupture disc, a chip resistor or a dial switch.
5. The control system for an ignition lock power supply circuit of a vehicle power supply box of claim 4, further comprising a voltage-current acquisition module; The voltage and current acquisition module is in signal connection with the jump controller and is used for acquiring the current value or the voltage value of the mechanical ignition lock power supply circuit or the PEPS ignition lock power supply circuit in real time; And when the current value or the voltage value is larger than a corresponding threshold value, the jump controller correspondingly controls the first jump circuit or the second jump circuit to disconnect the electric connection with the storage battery.
6. The control system for an ignition lock power supply circuit of a vehicle power supply box of claim 5, wherein the voltage-current acquisition module comprises a detection resistor and an ADC acquisition module; the detection resistor is connected in series with the output end of the positive electrode of the storage battery, and the ADC acquisition module acquires the current value or the voltage value of the detection resistor in real time.
7. The control system for an ignition lock power supply circuit of a vehicle power supply box according to claim 6, wherein said mechanical ignition lock power supply circuit is provided with an ACC switch, an IG1 switch, an IG2 switch, and a Start switch; the ACC switch, the IG1 switch, the IG2 switch and the Start switch are respectively arranged in corresponding load circuits and are connected in series with a fuse.
8. The control system for an ignition lock power circuit of a vehicle power box of claim 7, wherein said PEPS ignition lock power circuit is provided with a relay; The input end of the relay is connected with the output end of the second jump circuit, the output end of the relay is connected with the input end of the load circuit, and the coil end of the relay is connected with the PEPS signal end; when the PEPS signal end is at a low level, the coil end of the relay is electrically connected and conducted with the storage battery, and the relay is closed; and when the PEPS signal end is at a high level, the coil end of the relay is disconnected from the electric connection of the storage battery, and the relay is disconnected.
9. The control system for an ignition lock power circuit of a vehicle power supply box of claim 8, wherein said jump controller is a microprocessor or a single chip microcomputer.

Description

Control system for ignition lock power supply loop of vehicle power supply box Technical Field The invention relates to the technical field of control of a power supply loop of a vehicle ignition lock, in particular to a control system of the power supply loop of the ignition lock for a vehicle power supply box. Background When a certain vehicle has high/low distribution condition, one of two vehicles may be equipped with a PEPS ignition lock structure, and the other vehicle is equipped with a mechanical ignition lock structure, so that the power distribution of the existing electrical box is easy to adopt two distribution structures, thereby having two electrical boxes, and being unfavorable for the subsequent production control and installation generalization requirements. Therefore, how to conveniently provide the electric box with the power supply loop of the selective ignition lock has important significance. Disclosure of Invention The invention provides a control system for an ignition lock power supply loop of a vehicle power supply box, which solves the problem that the existing vehicle power supply box cannot be simultaneously provided with different ignition lock circuit loops so as to adapt to the high/low configuration condition of a vehicle, and can improve the universality and the use convenience of the power supply box. In order to achieve the above object, the present invention provides the following technical solutions: a control system for an ignition lock power supply loop of a vehicle power supply box comprises a mechanical ignition lock power supply circuit, a PEPS ignition lock power supply circuit, a first jump circuit, a second jump circuit and a storage battery; The positive electrode of the storage battery is electrically connected with the mechanical ignition lock power circuit and the PEPS ignition lock power circuit respectively; the first jump circuit is connected in series between the positive electrode of the storage battery and the mechanical ignition lock power supply circuit and is used for switching on or off the power supply electrical connection of the mechanical ignition lock power supply circuit; the second jump circuit is connected in series between the positive electrode of the storage battery and the PEPS ignition lock power supply circuit and is used for switching on or off the power supply electric connection of the PEPS ignition lock power supply circuit; And switching on or off the first jump circuit and the second jump circuit according to the vehicle type configuration information so as to select the mechanical ignition lock power supply circuit or the PEPS ignition lock power supply circuit to supply power to a load. Preferably, the device also comprises a jump controller; the jump controller is respectively connected with the electronic switch control ends of the first jump circuit and the second jump circuit in a signal manner; The jump controller is connected with a vehicle controller of a vehicle through a CAN bus, and reads the vehicle type VIN code or the vehicle type configuration information of the vehicle controller through the CAN bus, so as to control the connection or disconnection of the first jump circuit and the second jump circuit according to the vehicle type VIN code or the vehicle type configuration information. Preferably, the electronic switch adopts a vehicle-mounted MOS switch. Preferably, the hopping devices of the first hopping circuit and the second hopping circuit may use a fuse, a chip resistor or a dial switch. Preferably, the system also comprises a voltage and current acquisition module; The voltage and current acquisition module is in signal connection with the jump controller and is used for acquiring the current value or the voltage value of the mechanical ignition lock power supply circuit or the PEPS ignition lock power supply circuit in real time; And when the current value or the voltage value is larger than a corresponding threshold value, the jump controller correspondingly controls the first jump circuit or the second jump circuit to disconnect the electric connection with the storage battery. Preferably, the voltage and current acquisition module comprises a detection resistor and an ADC acquisition module; the detection resistor is connected in series with the output end of the positive electrode of the storage battery, and the ADC acquisition module acquires the current value or the voltage value of the detection resistor in real time. Preferably, the mechanical ignition lock power supply circuit is provided with an ACC switch, an IG1 switch, an IG2 switch and a Start switch; the ACC switch, the IG1 switch, the IG2 switch and the Start switch are respectively arranged in corresponding load circuits and are connected in series with a fuse. Preferably, the PEPS ignition lock power supply circuit is provided with a relay; The input end of the relay is connected with the output end of the second jump circuit, the outp