Intelligent power distribution box and vehicle

Abstract

The invention relates to an intelligent power distribution box and a vehicle, the intelligent power distribution box is arranged in the vehicle, and the intelligent power distribution box comprises a main control chip, a light controller connected with the main control chip, a lamp bead connected with the main control chip and a power supply circuit connected with the main control chip; wherein the light controller comprises an analog drive circuit and a digital control circuit; the main control chip is used for controlling on and off of the power supply circuit; the main control chip is also used for controlling the simulation driving circuit to provide constant-current power supply for the lamp beads through redundant computing power; the main control chip is further used for controlling the digital control circuit to collect the voltage signals and / or the current signals through redundant computing power and judging whether the vehicle is in a normal working state or not based on the voltage signals and / or the current signals, the redundant computing power of the main control chip can be effectively utilized, the integration level of the controller is improved, and the reliability of the controller is improved. And the whole vehicle cost is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicles, and in particular to an intelligent distribution box and a vehicle. Background Art

[0002] In the prior art, in the smart distribution box solution applied to vehicles, the main control chip used in the smart distribution box has powerful computing power; however, the computing power required for the main control chip to monitor and determine the current and voltage is often very small, and the main control chip has a large amount of redundant computing power that is not used. Summary of the invention

[0003] An embodiment of the present invention provides an intelligent distribution box and a vehicle to solve the problem that the main control chip used in the intelligent distribution box has powerful computing power, but the computing power required by the main control chip to monitor and determine current and voltage is often very small, and the main control chip has a large amount of redundant computing power that is not used.

[0004] The embodiment of the present invention discloses an intelligent power distribution box, which is arranged in a vehicle and includes a main control chip, a light controller connected to the main control chip, lamp beads connected to the main control chip, and a power supply circuit connected to the main control chip; wherein the light controller includes an analog drive circuit and a digital control circuit;

[0005] The main control chip is used to control the opening and closing of the power supply circuit;

[0006] The main control chip is also used to control the analog drive circuit through redundant computing power to provide constant current power supply for the lamp beads;

[0007] The main control chip is also used to control the digital control circuit to collect voltage signals and / or current signals through redundant computing power, and to determine whether the vehicle is in a normal working state based on the voltage signals and / or current signals.

[0008] Optionally, the intelligent power distribution box further includes an electronic switch;

[0009] The main control chip is specifically used to control the opening and closing of the power supply circuit by controlling the electronic switch.

[0010] Optionally, the vehicle further includes a DC converter and a battery; the power supply circuit is connected to a domain controller; the domain controller includes a main input terminal and an auxiliary power input terminal; the power supply circuit includes a main circuit connected to the DC converter and a redundant circuit connected to the battery; the main circuit is connected to a main actuator component; the redundant circuit is connected to a backup actuator component; the main circuit and the redundant circuit are backed up for each other;

[0011] The main circuit is connected to the main input terminal of the domain controller and / or the power input terminal of the main actuator component;

[0012] The redundant circuit is connected to the auxiliary power input terminal of the domain controller and / or the power input terminal of the backup actuator component; the domain controller is used to divide the electronic control unit inside the vehicle into multiple domains, and perform domain-based centralized distribution management of the functions of the electronic control unit; the actuator is used to receive the control signal of the main control chip, and control at least one component in the vehicle to perform a corresponding function based on the control signal of the main control chip.

[0013] The domain controller and / or main actuator components control the opening and / or closing of the main circuit relative to the DC converter through an electronic switch;

[0014] The domain controller and / or backup actuator component controls the opening and / or closing of the redundant circuit relative to the battery through an electronic switch;

[0015] The DC converter and the battery are connected via an electronic switch.

[0016] Optionally, the analog driving circuit includes a boost circuit, a buck circuit, a sampling resistor, and a voltage divider resistor;

[0017] The boost circuit is connected to the buck circuit; the boost circuit is connected to the voltage divider resistor, the buck circuit is connected to the sampling resistor, and the voltage divider resistor is connected to the ground;

[0018] The voltage division value on the voltage division resistor at the output end is collected by the digital control circuit and transmitted to the boost circuit in a negative feedback manner to adjust the duty cycle of the boost circuit and maintain a constant voltage power supply of the boost circuit;

[0019] The voltage drop across the sampling resistor is collected by the digital control circuit. The voltage drop reflects the current and is transmitted to the buck circuit in a negative feedback manner to adjust the duty cycle of the buck circuit and maintain a constant current supply of the buck circuit.

[0020] Optionally, the intelligent power distribution box further includes a transceiver, and the vehicle further includes a lamp bead management chip; the transceiver is connected to the main control chip, the lamp bead management chip is connected to the transceiver, and the lamp bead management chip is also connected to the light controller;

[0021] The main control chip is also used to control the transceiver to collect the first coordinate information through redundant computing power;

[0022] The main control chip is also used to control the lamp bead management chip through redundant computing power to control the lighting and / or extinguishing of the lamp bead based on the first coordinate information.

[0023] Optionally, the main control chip is also used to control the lamp bead management chip to control the lighting and / or extinguishing of the lamp bead based on the first coordinate information through redundant computing power, specifically including:

[0024] The main control chip controls the transceiver through redundant computing power to transmit the first coordinate information to the digital control circuit;

[0025] The main control chip controls the digital control circuit through redundant computing power to perform coordinate conversion on the first coordinate information to obtain second coordinate information based on a private protocol; the second coordinate information is used to indicate the position of the lamp beads on the lamp board;

[0026] The main control chip controls the digital control circuit through redundant computing power to transmit the second coordinate information to the lamp bead management chip;

[0027] The main control chip controls the lamp bead management chip through redundant computing power to control the lighting and / or extinguishing of the lamp bead based on the second coordinate information.

[0028] Optionally, the vehicle further comprises a lamp module and a dimming motor; the dimming motor is connected to a main control chip; the dimming motor is located on the lamp module;

[0029] The lamp module comprises a lamp board, a lens, a plastic shell, and a lamp bead; the lamp bead is located on the lamp board; the plastic shell and the lens are located outside the lamp board;

[0030] The main control chip is also used to control the transceiver to collect steering wheel rotation angle information through redundant computing power;

[0031] The main control chip is also used to control the dimming motor through redundant computing power to deflect the light shape of the lamp.

[0032] Optionally, the dimming motor includes a driving chip, and the driving chip is connected to the main control chip; the main control chip is also used to control the dimming motor through redundant computing power to deflect the light shape of the light, specifically including:

[0033] The main control chip controls the transceiver through redundant computing power to transmit the steering wheel rotation angle information to the main control chip;

[0034] The main control chip calculates the rotation angle of the dimming motor based on the steering wheel rotation angle information through redundant computing power;

[0035] The main control chip transmits the rotation angle information of the dimming motor to the driving chip of the dimming motor through redundant computing power;

[0036] The main control chip controls the driving chip of the dimming motor through redundant computing power to drive the dimming motor to rotate based on the rotation angle information.

[0037] Optionally, the intelligent distribution box is located in the front cabin of the vehicle.

[0038] An embodiment of the present invention further discloses a vehicle, comprising the intelligent distribution box as described in any one of the above items.

[0039] The present invention relates to an intelligent power distribution box and a vehicle. The intelligent power distribution box is arranged in the vehicle, and comprises a main control chip, a light controller connected to the main control chip, lamp beads connected to the main control chip, and a power supply circuit connected to the main control chip; wherein the light controller comprises an analog drive circuit and a digital control circuit; the main control chip is used to control the opening and closing of the power supply circuit; the main control chip is also used to control the analog drive circuit through redundant computing power to provide constant current power supply for the lamp beads; the main control chip is also used to control the digital control circuit through redundant computing power to collect voltage signals and / or current signals, and judge whether the vehicle is in a normal working state based on the voltage signals and / or current signals, which can effectively utilize the redundant computing power of the main control chip, improve the integration of the controller, and reduce the vehicle cost; the main control chip also realizes anti-glare function and follow-up steering function through redundant computing power, so as to achieve the effect of preventing pedestrians and vehicles from being dazzled at night and the function of steering together with the light emitted by the light mold and the steering wheel, thus giving users a good driving experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 An intelligent power distribution box provided in an embodiment of the present invention;

[0041] Figure 2 The figure is a schematic diagram of the structure of an intelligent power distribution box provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0042] In order to make the above-mentioned objectives, technical solutions and advantages of the present invention more obvious and easy to understand, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0043] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0044] Reference Figure 1 , shows an intelligent power distribution box provided in an embodiment of the present invention, the intelligent power distribution box is arranged in a vehicle, and includes a main control chip, a light controller connected to the main control chip, lamp beads connected to the main control chip, and a power supply circuit connected to the main control chip; wherein the light controller includes an analog drive circuit and a digital control circuit;

[0045] The main control chip is used to control the opening and closing of the power supply circuit;

[0046] The main control chip is also used to control the analog drive circuit through redundant computing power to provide constant current power supply for the lamp beads;

[0047] The main control chip is also used to control the digital control circuit to collect voltage signals and / or current signals through redundant computing power, and to determine whether the vehicle is in a normal working state based on the voltage signals and / or current signals.

[0048] In an embodiment of the present invention, the main control chip is arranged in an intelligent distribution box, and the intelligent distribution box is arranged in a vehicle. The intelligent distribution box is used to monitor the voltage and current in real time, and its ASIL safety level reaches D level; wherein, the ASIL level is the vehicle safety integrity level, which reflects the safety and reliability of the vehicle.

[0049] The intelligent power distribution box includes a power supply circuit, which is used to transmit and convert electrical energy and transmit and process signals. The main control chip is used to control the opening and closing of the power supply circuit. The intelligent power distribution box monitors and judges the voltage and current in real time by controlling the opening and closing of the power supply circuit through the main control chip set in the intelligent power distribution box.

[0050] In the embodiment of the present invention, since the ASIL level of the intelligent distribution box reaches level D, the main control chip can select one main control chip with ASIL level D, or two main control chips with ASIL level B can be selected.

[0051] The main control chip used in the intelligent power distribution box often has powerful computing power, and the computing power of a main control chip can reach more than 300KB. In the embodiment of the present invention, if a main control chip with an ASIL level of D is used, the computing power of the main control chip can reach more than 300KB; if two main control chips with an ASIL level of B are used, the total computing power of the main control chip can reach more than 600KB; however, the computing power required by the main control chip to control the opening and closing of the power supply circuit is within 10KB, and the main control chip has a large amount of redundant computing power.

[0052] In an embodiment of the present invention, the light controller includes an analog drive circuit and a digital control circuit; wherein the analog drive circuit is used to provide constant current power supply for the lamp beads, and the digital control circuit can use an MCO chip, and the digital control circuit is used to collect voltage signals and / or current signals, and judge whether the vehicle is in a normal working state based on the voltage signals and / or current signals.

[0053] The main control chip has a large amount of redundant computing power. The main control chip controls the analog drive circuit through redundant computing power to provide constant current power supply for the lamp beads to ensure that the brightness level remains consistent. The main control chip can also control the digital control circuit to collect voltage signals and / or current signals through redundant computing power, and judge whether the vehicle is in a normal working state based on the voltage signal and / or current signal. The redundant computing power of the main control chip can be effectively utilized to improve the integration of the controller and reduce the cost of the vehicle.

[0054] Further, in any of the above embodiments, the intelligent power distribution box further includes an electronic switch;

[0055] The main control chip is specifically used to control the opening and closing of the power supply circuit by controlling the electronic switch.

[0056] In the embodiment of the present invention, the intelligent power distribution box is a functional safety component for power management and distribution in a vehicle, and uses electronic switches to replace traditional fuses to improve the safety performance of the vehicle.

[0057] The power supply circuit in the intelligent distribution box includes a main circuit and a redundant circuit; the main circuit is connected to a DC converter, which can be a DCDC converter, used to convert the DC power output by the high-voltage battery into the DC power required by the low-voltage electronic system. The redundant circuit is connected to the battery to supply power to the vehicle when the main circuit or DC converter fails.

[0058] The main circuit includes an electronic switch, see Figure 2 The electronic switches 2 and 4 in the redundant circuit also include electronic switches, see Figure 2 The electronic switches 3, 5 and 6 in the circuit are used to control the opening and closing of the power supply circuit, that is, the opening and closing of the main circuit and the redundant circuit are controlled by the electronic switches.

[0059] In an embodiment of the present invention, the digital control circuit collects voltage signals and / or current signals, and determines whether the vehicle is in a normal working state based on the voltage signals and / or current signals. If the vehicle is not in a normal working state, the electronic switch is turned off.

[0060] In an embodiment of the present invention, an electronic switch is used to replace a traditional fuse. When the digital control circuit determines that the vehicle is not in a normal working state based on the voltage and / or current signal, the electronic switch is turned off, thereby improving the safety performance of the vehicle.

[0061] Further, in any of the above embodiments, the vehicle further comprises a DC converter and a battery; the power supply circuit is connected to a domain controller; the domain controller comprises a main input terminal and an auxiliary power input terminal; the power supply circuit comprises a main circuit connected to the DC converter and a redundant circuit connected to the battery; the main circuit is connected to a main actuator component; the redundant circuit is connected to a backup actuator component; the main circuit and the redundant circuit are backed up for each other;

[0062] The main circuit is connected to the main input terminal of the domain controller and / or the power input terminal of the main actuator component;

[0063] The redundant circuit is connected to the auxiliary power input terminal of the domain controller and / or the power input terminal of the backup actuator component; the domain controller is used to divide the electronic control unit inside the vehicle into multiple domains, and perform domain-based centralized distribution management of the functions of the electronic control unit; the actuator is used to receive the control signal of the main control chip, and control at least one component in the vehicle to perform a corresponding function based on the control signal of the main control chip.

[0064] The domain controller and / or main actuator components control the opening and / or closing of the main circuit relative to the DC converter through an electronic switch;

[0065] The domain controller and / or backup actuator component controls the opening and / or closing of the redundant circuit relative to the battery through an electronic switch;

[0066] The DC converter and the battery are connected via an electronic switch.

[0067] In an embodiment of the present invention, the power supply circuit in the intelligent distribution box includes a main circuit and a redundant circuit;

[0068] The main circuit is connected to the DC converter, which can be a DCDC converter; the DC converter is used to convert the DC power output by the high-voltage battery into the DC power required by the low-voltage electronic system. The redundant circuit is connected to the battery to power the vehicle.

[0069] The main circuit and the redundant circuit back up each other; when one of the main circuit and the redundant circuit fails, the other circuit continues to supply power to the vehicle to avoid affecting the normal starting and operation of the vehicle.

[0070] In the embodiment of the present invention, the main circuit is connected to the main input terminal of the domain controller and / or the power input terminal of the main actuator component; the domain controller is used to divide the electronic control unit in the vehicle into multiple domains, and to centrally distribute and manage the functions of the electronic control unit based on the domain; the actuator is used to receive the control signal of the main control chip, and control at least one component in the vehicle to perform a corresponding function based on the control signal of the main control chip. In the embodiment of the present invention, multiple components are included, such as lights, sunroofs, electric door openers, tailgates, wipers, etc.

[0071] The redundant circuit is connected to the auxiliary power input terminal of the domain controller and / or the power input terminal of the backup actuator component; in an embodiment of the present invention, multiple domain controllers are included, and the domain controller includes a main input terminal and an auxiliary power input terminal. The main input terminal and the auxiliary power input terminal back up each other. When a problem occurs in one of the circuits, the other circuit connected to the power input terminal of the domain controller continues to supply power to the vehicle to avoid affecting the normal startup and operation of the vehicle.

[0072] In the embodiment of the present invention, a plurality of spare actuator components are included for use when a problem occurs in the main circuit to ensure the normal operation of the vehicle.

[0073] The domain controller and / or the main actuator components control the opening and / or closing of the main circuit relative to the DC converter through the electronic switch; in the embodiment of the present invention, the ASIL level of the electronic switch reaches B level, and the DC converter can adopt a DCDC converter, and the ASIL level of the DCDC converter reaches B level; because the ASIL level of the intelligent distribution box reaches D level, only one electronic switch with an ASIL level of B is used between the domain controller and / or the main actuator components and the DCDC converter for control, see Figure 2 The electronic switch 2 and the electronic switch 4 in the embodiment.

[0074] The domain controller and / or the backup actuator component controls the opening and / or closing of the redundant circuit relative to the battery through the electronic switch; in the embodiment of the present invention, the ASIL level of the electronic switch reaches B level, and the battery does not reflect the ASIL level. Since the ASIL level of the intelligent distribution box reaches D level, two electronic switches with ASIL level reaching B level are used between the domain controller and / or the backup actuator component and the battery for control, see Figure 2 Electronic switch 3, electronic switch 5 and electronic switch 6 in.

[0075] In the embodiment of the present invention, since the ASIL level of the DCDC converter reaches B, only one electronic switch with an ASIL level of B is used for control between the domain controller and / or the main actuator components and the DCDC converter; the battery does not reflect the ASIL level, and two electronic switches with an ASIL level of B are used for control between the domain controller and / or the backup actuator components and the battery, thereby ensuring the safety and reliability of the vehicle.

[0076] The direct-connected converter and the battery are connected via an electronic switch to ensure that the operation of the direct-connected converter and the battery will not affect each other. Figure 2 The electronic switch 1 in.

[0077] In an embodiment of the present invention, the DC converter is connected to the main circuit, the battery is connected to the redundant circuit, and the main circuit and the redundant circuit back up each other; the direct-connected converter and the battery are connected by an electronic switch to ensure that the operation of the DC converter and the battery will not affect each other; for example, when the main circuit fails, the electronic switch between the DC converter and the battery is turned off to prevent the DC converter from affecting the operation of the battery, thereby improving the safety and reliability of the vehicle.

[0078] Further, in any of the above embodiments, the analog driving circuit includes a boost circuit, a buck circuit, a sampling resistor, and a voltage divider resistor;

[0079] The boost circuit is connected to the buck circuit; the boost circuit is connected to the voltage divider resistor, the buck circuit is connected to the sampling resistor, and the voltage divider resistor is connected to the ground;

[0080] The voltage division value on the voltage division resistor at the output end is collected by the digital control circuit and transmitted to the boost circuit in a negative feedback manner to adjust the duty cycle of the boost circuit and maintain a constant voltage power supply of the boost circuit;

[0081] The voltage drop across the sampling resistor is collected by the digital control circuit. The voltage drop reflects the current and is transmitted to the buck circuit in a negative feedback manner to adjust the duty cycle of the buck circuit and maintain a constant current supply of the buck circuit.

[0082] In an embodiment of the present invention, the analog driving circuit includes a boost circuit, a buck circuit, a sampling resistor, and a voltage divider resistor; wherein the boost circuit is connected to the buck circuit to provide constant current power supply to the lamp beads so that the brightness level of the lamp beads remains consistent.

[0083] Among them, the boost circuit is connected to the voltage-dividing resistor, and the voltage-dividing value on the voltage-dividing resistor at the output end is collected by the digital control circuit and transmitted to the boost circuit in a negative feedback manner to adjust the duty cycle of the boost circuit and maintain the constant voltage power supply of the boost circuit, thereby providing a sufficiently wide margin for realizing functions such as flashing lights.

[0084] The step-down circuit is connected to the sampling resistor, and the voltage drop across the sampling resistor is collected by the digital control circuit. The voltage drop reflects the current size and is transmitted to the step-down circuit in a negative feedback manner to adjust the duty cycle of the step-down circuit, maintain the constant current power supply of the step-down circuit, and keep the brightness level of the lamp beads consistent.

[0085] Furthermore, in any of the above embodiments, the intelligent power distribution box further includes a transceiver, and the vehicle further includes a lamp bead management chip; the transceiver is connected to the main control chip, the lamp bead management chip is connected to the transceiver, and the lamp bead management chip is also connected to the light controller;

[0086] The main control chip is also used to control the transceiver to collect the first coordinate information through redundant computing power;

[0087] The main control chip is also used to control the lamp bead management chip through redundant computing power to control the lighting and / or extinguishing of the lamp bead based on the first coordinate information.

[0088] In the embodiment of the present invention, the intelligent power distribution box further includes a transceiver and a lamp bead management chip; the transceiver is used to collect the first coordinate information; see Figure 2 The transceiver 1 in the vehicle; the first coordinate information refers to the coordinate information of the same-direction and opposite-direction vehicles, pedestrians, bicycles, motorcycles and other targets in the lane in front of the vehicle; the light management chip is used to control the light emission and / or extinguishing of the lamp beads.

[0089] The transceiver is connected to the main control chip, and the lamp bead management chip is connected to the transceiver, so that the main control chip and the lamp bead management chip transmit information to the transceiver respectively; the lamp bead management chip is also connected to the light controller, so as to transmit information between the lamp bead management chip and the light controller.

[0090] In the embodiment of the present invention, the main control chip can use a main control chip with an ASIL level of D, and the computing power of the main control chip can reach more than 300KB; the main control chip can also use two main control chips with an ASIL level of B, and the total computing power of the main control chip can reach more than 600KB; and the computing power required for the main control chip to control the opening and closing of the power supply circuit is within 10KB, and the main control chip has a large amount of redundant computing power. The main control chip controls the transceiver through redundant computing power to collect the coordinate information of the same and opposite vehicles, pedestrians, bicycles, motorcycles and other targets on the lane in front of the vehicle, and controls the lamp bead management chip to control the lighting and extinguishing of the lamp beads, which effectively utilizes the redundant computing power of the main control chip, improves the integration of the controller, and reduces the cost of the vehicle.

[0091] Further, in any of the above embodiments, the main control chip is also used to control the lamp bead management chip to control the lighting and / or extinguishing of the lamp bead based on the first coordinate information through redundant computing power, specifically including:

[0092] The main control chip controls the transceiver through redundant computing power to transmit the first coordinate information to the digital control circuit;

[0093] The main control chip controls the digital control circuit through redundant computing power to perform coordinate conversion on the first coordinate information to obtain second coordinate information based on a private protocol; the second coordinate information is used to indicate the position of the lamp beads on the lamp board;

[0094] The main control chip controls the digital control circuit through redundant computing power to transmit the second coordinate information to the lamp bead management chip;

[0095] The main control chip controls the lamp bead management chip through redundant computing power to control the lighting and / or extinguishing of the lamp bead based on the second coordinate information.

[0096] In an embodiment of the present invention, the main control chip can adopt a main control chip with an ASIL level of D, or the main control chip can adopt two main control chips with an ASIL level of B. The main control chip has powerful computing power, and the main control chip requires very little computing power to control the opening and closing of the power supply circuit, and the main control chip has a large amount of redundant computing power.

[0097] The vehicle also contains cameras, millimeter-wave radars and other equipment that can detect and identify the coordinates of targets such as vehicles, pedestrians, bicycles, motorcycles and other targets in the same and opposite directions in the lane in front of the vehicle. The transceiver is used to collect the coordinate information of the target objects.

[0098] In the embodiment of the present invention, the main control chip controls the transceiver through redundant computing power to collect the coordinate information of the target object. Figure 2The main control chip controls the transceiver through redundant computing power to transmit the coordinate information of the target object to the digital control circuit. Figure 2 Transceiver 2 in;

[0099] In the embodiment of the present invention, the lamp beads may be located on the lamp board to form a lamp bead matrix;

[0100] The main control chip controls the digital control circuit through redundant computing power to perform coordinate conversion on the coordinate information of the target object to obtain second coordinate information based on a private protocol; the second coordinate information is used to indicate the position of the lamp beads on the lamp board;

[0101] The main control chip controls the digital control circuit through redundant computing power to transmit the second coordinate information to the lamp bead management chip; the lamp bead management chip is used to control the lighting and / or extinguishing of the lamp beads.

[0102] The main control chip controls the lamp management chip through redundant computing power to control the lighting and / or extinguishing of the lamp beads to achieve an anti-glare function and prevent pedestrians and vehicles from being dazzled at night.

[0103] In an embodiment of the present invention, the vehicle's camera and millimeter-wave radar detect the coordinates of the same-direction and opposite-direction vehicles, people, bicycles, motorcycles and other target objects in the lane ahead. The main control chip controls the transceiver through redundant computing power to collect the coordinate information of the target objects. The main control chip controls the transceiver through redundant computing power to transmit the coordinate information of the target objects to the headlight controller; the main control chip also controls the headlight controller through redundant computing power to convert the coordinate information of the target objects into second coordinate information based on a private protocol. The second coordinate information based on the private protocol corresponds to the lamp beads on the lamp bead matrix. The main control chip controls the digital control circuit through redundant computing power to transmit the second coordinate information based on the private protocol to the lamp bead management chip. The lamp bead management chip uses the redundant computing power of the main control chip to control the lighting and / or extinguishing of the lights based on the second coordinate information, thereby realizing the anti-glare function, achieving the effect of preventing pedestrians and vehicles from being dazzled at night, and giving users a good driving experience; it also effectively utilizes the redundant computing power of the main control chip, improves the integration of the controller, and reduces the cost of the entire vehicle.

[0104] Furthermore, in any of the above embodiments, the vehicle further comprises a lamp module and a dimming motor; the dimming motor is connected to a main control chip; the dimming motor is located on the lamp module;

[0105] The lamp module comprises a lamp board, a lens, a plastic shell, and a lamp bead; the lamp bead is located on the lamp board; the plastic shell and the lens are located outside the lamp board;

[0106] The main control chip is also used to control the transceiver to collect steering wheel rotation angle information through redundant computing power;

[0107] The main control chip is also used to control the dimming motor through redundant computing power to deflect the light shape of the lamp.

[0108] In an embodiment of the present invention, the vehicle further comprises a lamp module and a dimming motor; the dimming motor is connected to the main control chip for transmitting information; the dimming motor is located on the lamp module, and the rotation of the dimming motor can deflect the light shape of the lamp module;

[0109] In an embodiment of the present invention, the lamp module includes a light board, a lens, a plastic shell, and lamp beads. The lamp beads are located on the light board. The light board has a plastic shell and a lens outside to protect the light board and the lamp beads from damage. The transceiver is also used to collect steering wheel rotation angle information.

[0110] In the embodiment of the present invention, the main control chip can use a main control chip with an ASIL level of D, or two main control chips with an ASIL level of B. The main control chip has strong computing power, and the main control chip needs very little computing power to control the opening and closing of the power supply circuit. The main control chip has a large amount of redundant computing power. The redundant computing power of the main control chip is used to control the transceiver to collect the steering wheel rotation angle information. The transceiver sees Figure 2 The main control chip controls the dimming motor through redundant computing power to deflect the light shape of the light mold, which effectively utilizes the redundant computing power of the main control chip, improves the integration of the controller, and reduces the cost of the vehicle.

[0111] Furthermore, in any of the above embodiments, the dimming motor includes a driver chip, and the driver chip is connected to the main control chip; the main control chip is also used to control the dimming motor through redundant computing power to deflect the light shape of the light, specifically including:

[0112] The main control chip controls the transceiver through redundant computing power to transmit the steering wheel rotation angle information to the main control chip;

[0113] The main control chip calculates the rotation angle of the dimming motor based on the steering wheel rotation angle information through redundant computing power;

[0114] The main control chip transmits the rotation angle information of the dimming motor to the driving chip of the dimming motor through redundant computing power;

[0115] The main control chip controls the driving chip of the dimming motor through redundant computing power to drive the dimming motor to rotate based on the rotation angle information.

[0116] In the embodiment of the present invention, the dimming motor includes a driving chip, which is connected to the main control chip for transmitting information; the transceiver is also used to collect the steering wheel rotation angle information;

[0117] In an embodiment of the present invention, the main control chip can adopt a main control chip with an ASIL level of D, or the main control chip can adopt two main control chips with an ASIL level of B. The main control chip has powerful computing power, and the main control chip requires very little computing power to control the opening and closing of the power supply circuit, and the main control chip has a large amount of redundant computing power.

[0118] The main control chip controls the transceiver through redundant computing power to collect the steering wheel rotation angle information and transmit the steering wheel rotation angle information to the main control chip. Figure 2 Transceiver 1 in;

[0119] In order to achieve the effect that the light emitted by the lighting mold turns together with the steering wheel, the main control chip uses redundant computing power based on the steering wheel rotation angle information and calculates the angle that the dimming motor needs to rotate after dimming constant conversion.

[0120] The main control chip also controls the main control chip through redundant computing power to transmit the rotation angle information of the dimming motor to the driving chip of the dimming motor;

[0121] The driver chip of the dimming motor uses the redundant computing power of the main control chip to control the rotation of the dimming motor, realize the follow-up steering function, and achieve the function that the light emitted by the lighting mold turns together with the steering wheel.

[0122] In an embodiment of the present invention, the main control chip controls the transceiver through redundant computing power to collect steering wheel rotation angle information, and controls the transceiver to transmit the steering wheel rotation angle information to the main control chip; the main control chip uses redundant computing power based on the steering wheel rotation angle information, calculates the angle that the dimming motor needs to rotate after dimming constant conversion, and transmits the dimming motor rotation angle information to the driver chip of the dimming motor. The driver chip of the dimming motor uses the redundant computing power of the main control chip to control the rotation of the dimming motor to realize the follow-up steering function, so as to achieve the function that the light emitted by the light mold turns together with the steering wheel, thereby improving the user's driving experience and effectively utilizing the redundant computing power of the main control chip, thereby improving the integration of the controller and reducing the vehicle cost.

[0123] Furthermore, in any of the above embodiments, the intelligent distribution box is located in the front cabin of the vehicle.

[0124] In an embodiment of the present invention, the intelligent distribution box is arranged in the front cabin of the vehicle according to the physical position. On the one hand, it is arranged in the grille air intake path in the front cabin of the vehicle to facilitate heat dissipation; on the other hand, since the DC converter and the battery are generally located in the front cabin of the vehicle, the length of the wiring harness can be reduced, the timeliness of the drive can be improved, and heat generation can be reduced.

[0125] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0126] The present invention also provides a vehicle, comprising the intelligent distribution box as described in any one of the above items.

[0127] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0128] Although the preferred embodiments of the present invention have been described, those skilled in the art may make additional changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the embodiments of the present invention.

[0129] In this article, relational terms such as first and second are used only to distinguish one entity from another entity, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "comprises", "comprising" or any variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or terminal device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or terminal device. In the absence of further restrictions, the elements defined by the sentence "comprising a ..." do not exclude the presence of other identical elements in the process, method, article or terminal device including the elements.

[0130] The above is a detailed introduction to an intelligent distribution box and a vehicle provided by the present invention. Specific examples are used in this article to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method of the present invention and its core idea; at the same time, for general technical personnel in this field, according to the idea of ​​the present invention, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. An intelligent distribution box, It is characterized in that The intelligent power distribution box is arranged in the vehicle, and comprises a main control chip, a light controller connected to the main control chip, lamp beads connected to the main control chip, and a power supply circuit connected to the main control chip; wherein the light controller comprises an analog drive circuit and a digital control circuit; The main control chip is used to control the opening and closing of the power supply circuit; The main control chip is also used to control the analog drive circuit through redundant computing power to provide constant current power supply for the lamp beads; The main control chip is also used to control the digital control circuit to collect voltage signals and / or current signals through redundant computing power, and to determine whether the vehicle is in a normal working state based on the voltage signals and / or current signals.

2. The intelligent distribution box according to claim 1, It is characterized in that The intelligent power distribution box also includes an electronic switch; The main control chip is specifically used to control the opening and closing of the power supply circuit by controlling the electronic switch.

3. The intelligent distribution box according to claim 1 or 2, It is characterized in that The vehicle further comprises a DC converter and a battery; the power supply circuit is connected to a domain controller; the domain controller comprises a main input terminal and an auxiliary power input terminal; the power supply circuit comprises a main circuit connected to the DC converter and a redundant circuit connected to the battery; the main circuit is connected to main actuator components; the redundant circuit is connected to backup actuator components; the main circuit and the redundant circuit are backed up for each other; The main circuit is connected to the main input terminal of the domain controller and / or the power input terminal of the main actuator component; The redundant circuit is connected to the auxiliary power input terminal of the domain controller and / or the power input terminal of the spare actuator component; the domain controller is used to divide the electronic control unit in the vehicle into multiple domains, and to perform centralized distribution management of the functions of the electronic control unit based on the domain; the actuator is used to receive the control signal of the main control chip, and control at least one component in the vehicle to perform a corresponding function based on the control signal of the main control chip; The domain controller and / or main actuator components control the opening and / or closing of the main circuit relative to the DC converter through an electronic switch; The domain controller and / or backup actuator component controls the opening and / or closing of the redundant circuit relative to the battery through an electronic switch; The DC converter and the battery are connected via an electronic switch.

4. According to claim 1, the intelligent distribution box It is characterized in that The analog driving circuit includes a boost circuit, a buck circuit, a sampling resistor, and a voltage dividing resistor; The boost circuit is connected to the buck circuit; the boost circuit is connected to the voltage divider resistor, the buck circuit is connected to the sampling resistor, and the voltage divider resistor is connected to the ground; The voltage division value on the voltage division resistor at the output end is collected by the digital control circuit and transmitted to the boost circuit in a negative feedback manner to adjust the duty cycle of the boost circuit and maintain a constant voltage power supply of the boost circuit; The voltage drop across the sampling resistor is collected by the digital control circuit. The voltage drop reflects the current and is transmitted to the buck circuit in a negative feedback manner to adjust the duty cycle of the buck circuit and maintain a constant current supply of the buck circuit.

5. The intelligent distribution box according to claim 1, It is characterized in that The intelligent power distribution box further includes a transceiver, and the vehicle further includes a lamp bead management chip; the transceiver is connected to the main control chip, the lamp bead management chip is connected to the transceiver, and the lamp bead management chip is also connected to the light controller; The main control chip is also used to control the transceiver to collect the first coordinate information through redundant computing power; The main control chip is also used to control the lamp bead management chip through redundant computing power to control the lighting and / or extinguishing of the lamp bead based on the first coordinate information.

6. The intelligent distribution box according to claim 5, It is characterized in that The main control chip is also used to control the lamp bead management chip to control the lighting and / or extinguishing of the lamp bead based on the first coordinate information through redundant computing power, specifically including: The main control chip controls the transceiver through redundant computing power to transmit the first coordinate information to the digital control circuit; The main control chip controls the digital control circuit through redundant computing power to perform coordinate conversion on the first coordinate information to obtain second coordinate information based on a private protocol; the second coordinate information is used to indicate the position of the lamp beads on the lamp board; The main control chip controls the digital control circuit through redundant computing power to transmit the second coordinate information to the lamp bead management chip; The main control chip controls the lamp bead management chip through redundant computing power to control the lighting and / or extinguishing of the lamp bead based on the second coordinate information.

7. The intelligent distribution box according to claim 1 or 5, It is characterized in that The vehicle further comprises a lamp module and a dimming motor; the dimming motor is connected to a main control chip; the dimming motor is located on the lamp module; The lamp module comprises a lamp board, a lens, a plastic shell, and a lamp bead; the lamp bead is located on the lamp board; the plastic shell and the lens are located outside the lamp board; The main control chip is also used to control the transceiver to collect steering wheel rotation angle information through redundant computing power; The main control chip is also used to control the dimming motor through redundant computing power to deflect the light shape of the lamp.

8. The method according to claim 7, It is characterized in that The dimming motor includes a driving chip, and the driving chip is connected to the main control chip; the main control chip is also used to control the dimming motor through redundant computing power to deflect the light shape of the light, specifically including: The main control chip controls the transceiver through redundant computing power to transmit the steering wheel rotation angle information to the main control chip; The main control chip calculates the rotation angle of the dimming motor based on the steering wheel rotation angle information through redundant computing power; The main control chip transmits the rotation angle information of the dimming motor to the driving chip of the dimming motor through redundant computing power; The main control chip controls the driving chip of the dimming motor through redundant computing power to drive the dimming motor to rotate based on the rotation angle information.

9. According to claim 1, the intelligent distribution box It is characterized in that The intelligent power distribution box is located in the front cabin of the vehicle.

10. A vehicle, It is characterized in that The vehicle comprises the intelligent distribution box as claimed in any one of claims 1-9.

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