An intelligent power distribution architecture for an automobile and an automobile

Abstract

This invention relates to the field of automobile manufacturing, and in particular to an intelligent power distribution architecture and a vehicle. The invention provides an intelligent power distribution architecture and a vehicle, the intelligent power distribution architecture comprising an intelligent power distribution box, a fuse distribution module, and a power module; the intelligent power distribution box is controlled and connected to the output terminal of the power module, used to supply power to the various functional electrical modules of the vehicle when the vehicle is powered on and in motion; the fuse distribution module is controlled and connected to the output terminal of the power module, used to supply power to the various functional electrical modules of the vehicle when the vehicle is powered off and parked. The intelligent power distribution architecture and vehicle provided by this invention can solve the problems of high failure rate and low reliability when using a central power distribution box with fuses for power supply, and the shortened lifespan and reduced vehicle range caused by the continuous operation of power chips when using a separate intelligent power distribution box for power supply.

Description

Technical Field

[0001] This invention relates to the field of automobile manufacturing, and in particular to an intelligent power distribution architecture for automobiles and an automobile. Background Technology

[0002] With the advancement of technology, automobiles have become an important means of transportation in people's daily lives. Autonomous driving technology places high demands on the power supply of the vehicle's electrical system. In the conventional power distribution architecture of a car, a central distribution box is used to install traditional fuses to power various functional modules. However, due to the high failure rate and randomness of fuses, they cannot meet the reliability requirements of the automotive electrical system and are difficult to apply to autonomous driving. Therefore, an intelligent distribution box can be used to match power chips to power various power modules in the vehicle, thus meeting the requirements for power supply reliability.

[0003] In the existing technology, the use of a separate smart power distribution box for power supply has the following drawbacks: the power chip is constantly in working state, which will shorten its life cycle, and the power chip is a power consumption component, which will increase the static current of the whole vehicle and reduce the vehicle's range.

[0004] In view of the above problems, there is an urgent need to design a new intelligent power distribution architecture for automobiles to meet the power distribution requirements of high reliability and low power consumption. Summary of the Invention

[0005] In view of the above, the present invention provides an intelligent power distribution architecture and vehicle, which aims to solve the problems of high failure rate and low reliability of the existing technology, which uses a central power distribution box to install fuses for power supply, and the shortened life cycle and reduced vehicle range caused by the continuous operation of power chips when using a separate intelligent power distribution box for power supply.

[0006] This invention first provides an intelligent power distribution architecture for automobiles, including an intelligent power distribution box, a fuse power distribution module, and a power module;

[0007] The intelligent power distribution box is connected to the output terminal of the power module and is used to supply power to the various functional power modules of the car when the car is powered on and running.

[0008] The fuse distribution module is connected to the output terminal of the power module and is used to supply power to the various functional electrical modules of the car when the car is parked and the power is off.

[0009] In the optional scheme of this application, the fuse power distribution module includes a relay and multiple first power supply circuits; each first power supply circuit is designed with a fuse, and the multiple first power supply circuits are designed in parallel and connected to the power module through a relay. The relay is used to connect the power module and the first power supply circuits when the car is parked with the power off.

[0010] In the optional scheme of this application, the first power supply circuit is used to connect the output terminal of the smart power distribution box to the functional power module; the smart power distribution architecture also includes a diagnostic circuit and an isolation element. The isolation element is designed in the first power supply circuit and connected to the output terminal of the fuse, and is used to isolate the current flowing to the first power supply circuit through the output terminal of the smart power distribution box when the vehicle is powered on at low voltage; the diagnostic circuit is connected between the isolation element and the fuse in the first power supply circuit, and is used to detect whether the fuse is abnormal.

[0011] In the optional embodiments of this application, the isolation element is a diode.

[0012] In the optional scheme of this application, the diagnostic circuit design includes an AND gate chip, which is used to connect to the display device; the AND gate chip is designed to determine whether the fuse is abnormal based on the voltage at the output terminal of the fuse and display it on the display device.

[0013] In the optional scheme of this application, there are multiple AND gate chips; each AND gate chip is designed to receive the voltage from the output terminals of multiple fuses.

[0014] In the optional scheme of this application, the intelligent power distribution box is designed with a control circuit, an HSD power chip, a protection circuit, and multiple second power supply circuits; the control circuit, HSD power chip, and protection circuit are all connected to the output terminal of the power module, and the multiple second power supply circuits are all connected to the control circuit and the HSD power chip; each second power supply circuit is designed with a control element, and the control circuit is used to control the control element according to the voltage of the power module output terminal, so that the second power supply circuit is connected to the protection circuit or the functional power supply module; the HSD power chip is used to match the corresponding power supply to the functional power supply module of the vehicle.

[0015] In the optional scheme of this application, the relay includes a first pin, a second pin, an output pin, and a coil; the first pin is electrically connected to the output terminal of the power module, the second pin is grounded, and the output pin is electrically connected to multiple first power supply circuits; the fuse power distribution module also includes a control unit, which is connected to the coil and controls the output pin to connect to the first pin or the second pin through the coil.

[0016] In an optional embodiment of this application, the control circuit is configured to receive a locking signal from the vehicle when the vehicle is powered off and parked, and then control the second power supply circuit to disconnect.

[0017] In the optional schemes of this application, at least one set of isolation elements and first power supply circuits are arranged; the number of diagnostic circuits is the same as the number of sets of isolation elements and functional power modules.

[0018] The present invention also provides a vehicle, including the above-described intelligent power distribution architecture, and further including a functional power module, a control module, and a display device; the control module is connected to the intelligent power distribution box; the functional power module is connected to the intelligent power distribution box and the fuse power distribution module; the display device is connected to the diagnostic circuit for receiving abnormal signals from the fuse.

[0019] Compared with existing technologies, the intelligent power distribution architecture and automobile provided by this invention have the following advantages:

[0020] By optimizing the intelligent power distribution architecture, an intelligent power distribution box and a fuse power distribution module are designed at the output end of the power module to provide a highly reliable power distribution solution for the vehicle, without increasing the overall vehicle losses. This design also allows the intelligent power distribution box to operate intermittently, improving its lifespan and reliability. When the vehicle is powered on and in motion, the intelligent power distribution box supplies power to the various functional electrical modules of the vehicle. At this time, the fuse power distribution module does not participate in power supply, ensuring the high reliability of the intelligent power distribution architecture and meeting the needs of autonomous driving technology. When the vehicle is powered off and parked, the fuse power distribution module supplies power to the various functional electrical modules of the vehicle. At this time, the intelligent power distribution box does not participate in power supply, allowing the power supply chips or transistors of the intelligent power distribution box to operate intermittently. This reduces power loss when the vehicle is powered off, increasing the vehicle's range while extending the lifespan of the intelligent power distribution box.

[0021] Other advantages and features of the present invention will be further described in the following detailed description section. Attached image description:

[0022] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0023] Figure 1 This is a circuit diagram of an exemplary automotive intelligent power distribution architecture provided in an embodiment of the present invention;

[0024] Figure 2 This is a circuit diagram of a fuse power distribution module provided as an example in an embodiment of the present invention;

[0025] Figure 3 This is a schematic diagram of the connection of a diagnostic circuit provided as an example in an embodiment of the present invention;

[0026] Figure 4 This is a schematic diagram of the connection of an exemplary automotive intelligent power distribution architecture provided in an embodiment of the present invention;

[0027] Figure 5This is a schematic diagram of a car module provided as an example in an embodiment of the present invention.

[0028] The components represented by each number in the above attached diagram are listed below:

[0029] 10. Intelligent power distribution architecture for automobiles; 100. Intelligent power distribution box;

[0030] 200. Power supply module; 300. Fuse distribution module;

[0031] 301. Control unit; 302. Relay;

[0032] 303. Fuse; 304. Isolating element;

[0033] 305. Diagnostic circuit; a. Functional power module;

[0034] 101. Control circuit; 102. Protection circuit;

[0035] 103. HSD power chip; 310. First power supply circuit;

[0036] 3051, AND gate chip; 400, display device;

[0037] 104. Control element; 3021. First pin;

[0038] 3022, Second pin; 3023, Output pin;

[0039] 3024, coil; 1000, automobile;

[0040] 500. Control module. Detailed implementation method:

[0041] To make the above and other features and advantages of the present invention clearer, the invention will be further described below with reference to the accompanying drawings. It should be understood that the specific embodiments given herein are for the purpose of explanation to those skilled in the art and are exemplary only, not restrictive.

[0042] [Overall Invention Concept]

[0043] The present invention provides an overall inventive concept for an intelligent power distribution architecture 10 and a vehicle 1000. Through optimized design of the intelligent power distribution architecture 10, it aims to solve the problems in existing technologies where the power distribution architecture of a vehicle 1000 equipped with autonomous driving technology suffers from low reliability due to the reliance on a central power distributor with fuses, or where the use of a smart power distribution box 100 matched with power chips results in a shortened lifespan for the power chips due to continuous operation, thus reducing the vehicle's overall range. To provide space for the smart power distribution box 100 and extend its lifespan, the present invention arranges the smart power distribution box 100 at the output end of the power module 200 to supply power to various components of the vehicle 1000. Functional power module a provides power, enabling the intelligent power distribution box 100 to operate independently when the vehicle 1000 is powered on, thus meeting the reliability requirements of the vehicle 1000's circuit system equipped with autonomous driving technology. To allow the intelligent power distribution box 100 to operate intermittently, a fuse power distribution module 300 is simultaneously arranged at the output end of the power module 200. When the vehicle 1000 is powered off and parked, the fuse power distribution module 300 independently supplies power to each functional power module a of the vehicle 1000. At this time, the intelligent power distribution box 100 is controlled to disconnect and does not participate in the power supply work, thus allowing the intelligent power distribution box 100 to operate intermittently. The low power consumption of the fuse power distribution module 300 extends the overall vehicle's range.

[0044]

Example

[0045] Please refer to Figures 1-5 The present invention first provides an intelligent power distribution architecture 10 for automobiles, which includes an intelligent power distribution box 100, a fuse power distribution module 300 and a power module 200.

[0046] The intelligent power distribution box 100 is connected to the output terminal of the power module 200 and is used to supply power to the various functional power modules a of the vehicle 1000 when the vehicle 1000 is powered on and running.

[0047] The fuse distribution module 300 is connected to the output terminal of the power module 200 and is used to supply power to the various functional power modules a of the vehicle 1000 when the vehicle 1000 is parked and powered off.

[0048] It is understood that the intelligent power distribution box 100 is controlled and connected to the output terminal of the power module 200. When the vehicle 1000 is powered on and in motion, the fuse power distribution module 300 disconnects, and the intelligent power distribution box 100 matches the current from the power module 200 to the various functional power modules a of the vehicle 1000 through its own power chip, thereby improving the driving reliability and stability of the vehicle 1000 equipped with autonomous driving technology. The fuse power distribution module 300 is controlled and connected to the output terminal of the power module 200. When the vehicle 1000 is powered off... When parked, the intelligent power distribution box 100 automatically disconnects, and the fuse power distribution module 300 transmits the current from the power module 200 to the various functional power modules a of the vehicle 1000 through the fuse. Since the power demand of each functional power module a decreases after the vehicle 1000 is powered off, the fuse power distribution module 300 can better meet the requirements, allowing the intelligent power distribution box 100 to operate intermittently, thus extending the lifespan of the intelligent power distribution box 100. When the vehicle 1000 is powered off, the intelligent power distribution box 100 does not participate in power supply, thereby improving the overall vehicle range.

[0049] Furthermore, the fuse power distribution module 300 is designed, which includes a relay 302 and multiple first power supply circuits 310. Each first power supply circuit 310 is equipped with a fuse 303. The multiple first power supply circuits 310 are connected in parallel and connected to the power module 200 through the relay 302. The relay 302 is used to connect the power module 200 and the first power supply circuits 310 when the car 1000 is parked after being powered off.

[0050] In an optional embodiment of the present invention, the fuse power distribution module 300 includes a relay 302 and multiple first power supply circuits 310, each of which is matched to a different functional power module a. Each first power supply circuit 310 is equipped with a fuse 303, and the first power supply circuits 310 are connected in parallel to the output terminal of the power module 200 via the relay 302. When the vehicle 1000 is powered off, the power module 200 outputs current to the relay 302, and the current is then transmitted from each first power supply circuit 310 to each... Functional power module a is powered by relay 302. When the vehicle 1000 is powered off, the power module 200 can be electrically connected to each of the first power supply circuits 310. At this time, only the fuse distribution module 300 powers each functional power module a. When the vehicle 1000 is powered on, the relay 302 is disconnected to disconnect the circuit of each of the first power supply circuits 310 and the power module 200 through the relay 302, so that the fuse distribution module 300 is disconnected from the power module 200. At this time, only the intelligent power distribution box 100 powers each functional power module a.

[0051] Furthermore, the first power supply circuit 310 is used to connect the output terminal of the intelligent power distribution box 100 to the functional power module a; the intelligent power distribution architecture also includes a diagnostic circuit 305 and an isolation element 304. The isolation element 304 is designed in the first power supply circuit 310 and connected to the output terminal of the fuse 303, and is used to isolate the current flowing to the first power supply circuit 310 through the output terminal of the intelligent power distribution box 100 when the vehicle 1000 is powered on at low voltage, so as to prevent the diagnostic circuit 305 from being unable to diagnose whether the fuse 303 is damaged; the diagnostic circuit 305 is connected to the first power supply circuit 310 between the isolation element 304 and the fuse 303, and is used to detect whether the fuse 303 is abnormal.

[0052] In an optional embodiment of the present invention, the input terminal of the intelligent power distribution box 100 is electrically connected to the output terminal of the power module 200, and the output terminal of the intelligent power distribution box 100 is electrically connected to each of the first power supply circuits 310. When the vehicle 1000 is powered on, the relay 302 is disconnected, and the output current of the power module 200 supplies power to each functional power module a through the intelligent power distribution box 100 and each of the first power supply circuits 310. When the vehicle 1000 is powered off, the intelligent power distribution box 100 is disconnected, the relay 302 closes the circuit between the power module 200 and the first power supply circuit 310, and the output current of the power module 200 supplies power to each functional power module a through the relay 302 and each of the first power supply circuits 310.

[0053] It should be noted that in the first power supply circuit 310, the isolation element 304 is connected to the output terminal of the fuse 303, and the output terminal of the isolation element 304 is used to connect to the functional power module a. The output terminal of the intelligent power distribution box 100 is connected between the output terminal of the isolation element 304 and the functional power module a, in order to simplify the circuit. Furthermore, when the car 1000 is powered on, the isolation element 304 blocks the current flowing from the intelligent power distribution box 100 to the fuse 303, so as to prevent the fuse power distribution module 300 from affecting the intelligent power distribution box 100. The power distribution box 100 is powered. A diagnostic circuit 305 is connected between the isolation element 304 and the fuse 303. When the vehicle 1000 is powered on, the relay 302 can be designed to disconnect after a delay. The diagnostic circuit 305 collects the voltage at the output terminals of each fuse 303. Due to the design of the isolation element 304, the intelligent power distribution box 100 can be powered normally. When the diagnostic circuit 305 collects the voltage, the fuse 303 is normal. At this time, the relay 302 is completely disconnected, and the intelligent power distribution module supplies power to a single circuit. Otherwise, the fuse 303 is in an open circuit state. The diagnostic circuit 305 can be electrically connected to the display device 400 of the vehicle 1000. When the fuse 303 is in an open circuit state, the fault will be promptly fed back to the display device 400.

[0054] In an optional embodiment of the present invention, the isolation element 304 can be a diode. The positive terminal of the diode is connected to the output terminal of the fuse 303, and the negative terminal is connected to both the output terminal of the intelligent power distribution box 100 and the input terminal of the functional power module a. This ensures that when the vehicle 1000 is powered on, the current through the intelligent power distribution box 100 will not flow to the fuse 303, while the current output through the fuse 303 can flow normally.

[0055] Furthermore, a diagnostic circuit 305 is designed, which includes an AND gate chip 3051. The AND gate chip 3051 is connected to the display device 400 of the vehicle 1000. The AND gate chip 3051 determines whether the fuse 303 is malfunctioning based on the voltage at the output terminal of the fuse 303, and displays this information on the display device 400 of the vehicle 1000. Multiple AND gate chips 3051 are used; each AND gate chip 3051 is designed to receive the voltages from the output terminals of multiple fuses 303.

[0056] Please refer to Figure 3 In the optional scheme of this embodiment, since there are a large number of functional power modules a of the car 1000, there are multiple first power supply circuits 310. In this embodiment, CD4082 AND gate chip 3051 is selected. The four first power supply circuits 310 in the same group can be used as a condition for acquisition. When all four first power supply circuits 310 in the same group are normal, a high level is output to the display device 400 of the car 1000, and the display device 400 displays normally. When at least one of the four first power supply circuits 310 in the same group is abnormal, a low level is output to the display device 400 of the car 1000, and the display device 400 displays abnormally.

[0057] Furthermore, the intelligent power distribution box 100 is designed with a control circuit 101, an HSD power chip 103, a protection circuit 102, and multiple second power supply circuits (not labeled); the control circuit 101, the HSD power chip 103, and the protection circuit 102 are all connected to the output terminal of the power module 200, and the multiple second power supply circuits are all connected to the control circuit 101 and the HSD power chip 103; each second power supply circuit is designed with a control element 104, and the control circuit 101 is used to control the control element 104 according to the voltage at the output terminal of the power module 200, so that the second power supply circuit is connected to the protection circuit 102 or the functional power supply module; the HSD power chip 103 is used to match the corresponding power supply to the functional power supply module of the vehicle 1000.

[0058] In an optional embodiment of the present invention, the intelligent power distribution box 100 is designed with a control circuit 101, an HSD power chip 103, and a protection circuit 102, as well as multiple second power supply circuits. The control circuit 101, the HSD power chip 103, and the protection circuit 102 are all connected to the output terminal of the power module 200. The protection circuit 102 is connected to the control circuit 101 through each of the second power supply circuits to prevent overvoltage or undervoltage damage to the intelligent power distribution box 100. Each of the second power supply circuits is also electrically connected to the HSD power chip 103 and the control circuit 101. The output terminal of each of the second power supply circuits is connected to each functional power module a to realize the power supply of the intelligent power distribution box 100. Each of the second power supply circuits is designed with a control element 104 to control the connection of each second power supply circuit. The control circuit 101 can control the control element 104 according to the voltage of the output terminal of the power module 200 to connect the second power supply circuit to the protection circuit 102 or the functional power supply module. The HSD power chip 103 is used to match the different power supplies of each functional power module a of the vehicle 1000.

[0059] Furthermore, the relay 302 is designed as a five-pin relay, including a first pin 3021, a second pin 3022, an output pin 3023, and a coil 3024. The first pin 3021 is electrically connected to the output terminal of the power module 200, the second pin 3022 is grounded, the output pin 3023 is located between the first pin 3021 and the second pin 3022 and is electrically connected to each of the first power supply circuits 310, and one end of the coil 3024 is connected to the control unit 301, while the other end is grounded. When the vehicle 1000 is powered on... When the coil 3024 is powered on via the control unit 301, it controls the output pin 3023 and the second pin 3022 to close. At this time, the relay 302 is disconnected, and the intelligent power distribution box 100 in the vehicle intelligent power distribution architecture 10 provides power. When the vehicle 1000 is powered off, the coil 3024 controls the output pin 3023 and the first pin 3021 to close. At this time, the relay 302 is closed, and the control circuit 101 of the intelligent power distribution box 100 controls each second power supply circuit to disconnect. At this time, only the fuse power distribution module 300 provides power, and the intelligent power distribution box 100 does not participate in the power supply.

[0060] It is understandable that the relay 302 generates a magnetic field by connecting the current through the coil 3024, so that the output pin 3023 can be closed at the first pin 3021 or the second pin 3022. By changing the magnetic field strength, delayed closing or delayed opening can be achieved.

[0061] Furthermore, the control circuit 101 is configured to receive the locking signal of the vehicle 1000 when the vehicle 1000 is powered off and parked, and control the second power supply circuit to disconnect.

[0062] It is understandable that when the car 1000 is powered off and parked, the control module 500 of the car 1000 sends a lock signal to the control circuit 101 in the control intelligent power distribution architecture to disconnect the second power supply circuit, so that the intelligent power distribution box 100 does not participate in power supply when the car 1000 is powered off.

[0063] Furthermore, at least one set of isolation element 304 and first power supply circuit 310 is arranged; the number of sets of diagnostic circuit 305 is the same as that of isolation element 304 and functional power module a. According to the quantity requirements of functional power module a, the first power supply circuit 310, isolation element 304 and diagnostic circuit 305 can be connected in parallel as needed to adapt to the needs of different vehicle models and improve the universality of the automotive intelligent power distribution architecture 10.

[0064] The present invention also provides a vehicle 1000, including the above-described intelligent power distribution architecture 10, and further including a functional power module a, a control module 500 and a display device 400; the control module 500 is connected to the intelligent power distribution box 100; the functional power module a is connected to the intelligent power distribution box 100 and the fuse power distribution module 300; the display device 400 is connected to the diagnostic circuit 305 for receiving abnormal signals from the fuse 303.

[0065] Furthermore, those skilled in the art should understand that if all or part of the sub-modules involved in the automotive intelligent power distribution architecture 10 and the various products in the vehicle 1000 provided by the present invention are combined or replaced by means of fusion, simple changes, mutual transformation, etc., such as moving the position of each component; or setting the products they constitute as a whole; or having a detachable design; as long as the combined components can form a device / apparatus / system with a specific function, using such a device / apparatus / system to replace the corresponding components of the present invention also falls within the protection scope of the present invention.

[0066] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0067] In summary, the beneficial effects of the intelligent power distribution architecture 10 and the vehicle 1000 provided by the embodiments of the present invention are as follows: Through optimized design of the intelligent power distribution architecture, an intelligent power distribution box 100 and a fuse power distribution module 300 are designed at the output end of the power module 200 to provide a highly reliable power distribution scheme for the vehicle 1000, without increasing the overall vehicle loss, and allowing the intelligent power distribution box 100 to operate intermittently, thereby improving its lifespan and reliability; when the vehicle 1000 is powered on and driving, the intelligent power distribution box 100 supplies power to the various functional power modules a of the vehicle 1000, at which time... The fuse distribution module 300 does not participate in power supply to ensure the high reliability of the power supply of the intelligent power distribution architecture, which can meet the needs of the autonomous driving technology of the vehicle 1000. When the vehicle 1000 is powered off and parked, the fuse distribution module 300 supplies power to the various functional power modules a of the vehicle 1000. At this time, the intelligent power distribution box 100 does not participate in power supply, and the power supply chip or transistor of the intelligent power distribution box 100 is interrupted, which reduces the power loss when the vehicle 1000 is powered off, increases the driving range of the vehicle 1000 and improves the service life of the intelligent power distribution box 100.

[0068] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A smart power distribution architecture for automobiles, characterized in that, This includes a smart power distribution box, a fuse power distribution module, and a power supply module; The intelligent power distribution box is connected to the output terminal of the power module and is used to supply power to the various functional power modules of the vehicle when the vehicle is powered on and running. The fuse power distribution module is controlled to be connected to the output terminal of the power module, and is used to supply power to the various functional power modules of the car when the car is parked with the power off. The fuse power distribution module includes a relay and multiple first power supply circuits; Each of the first power supply circuits is equipped with a fuse. Multiple first power supply circuits are connected in parallel and connected to the power module through the relay. The relay is used to connect the power module and the first power supply circuit when the car is powered off and parked. The first power supply circuit is used to connect the functional power module between the output terminal of the smart power distribution box and the functional power module; The intelligent power distribution architecture also includes a diagnostic circuit and an isolation element. The isolation element is disposed in the first power supply circuit and connected to the output terminal of the fuse, and is used to isolate the current flowing to the first power supply circuit through the output terminal of the intelligent power distribution box when the vehicle is powered on at low voltage. The diagnostic circuit is connected to the first power supply circuit between the isolation element and the fuse, and is used to detect whether the fuse is abnormal.

2. The automotive intelligent power distribution architecture according to claim 1, characterized in that, The isolation element is a diode.

3. The automotive intelligent power distribution architecture according to claim 1, characterized in that, The diagnostic circuit is equipped with an AND gate chip, which is used to connect to the display device. The AND gate chip is configured to determine whether the fuse is malfunctioning based on the voltage at the output terminal of the fuse, and display the result on the display device.

4. The automotive intelligent power distribution architecture according to claim 1, characterized in that, The intelligent power distribution box is equipped with a control circuit, an HSD power chip, a protection circuit, and multiple secondary power supply circuits. The control circuit, the HSD power chip, and the protection circuit are all connected to the output terminal of the power module, and multiple second power supply circuits are all connected to the control circuit and the HSD power chip; Each of the second power supply circuits is provided with a control element. The control circuit is used to control the control element according to the voltage at the output terminal of the power module, so that the second power supply circuit is connected to the protection circuit or the functional power module. The HSD power chip is used to match the corresponding power supply to the functional electrical modules of the vehicle.

5. The automotive intelligent power distribution architecture according to claim 1, characterized in that, The relay includes a first pin, a second pin, an output pin, and a coil; The first pin is electrically connected to the output terminal of the power module, the second pin is grounded, and the output pin is electrically connected to multiple first power supply circuits. The fuse power distribution module also includes a control unit, which is connected to the coil and controls the output pin to connect with the first pin or the second pin through the coil.

6. The automotive intelligent power distribution architecture according to claim 4, characterized in that, The control circuit is configured to receive a locking signal from the vehicle when it is powered off and parked, and then control the second power supply circuit to disconnect.

7. The automotive intelligent power distribution architecture according to claim 1, characterized in that, At least one set of the isolation element and the first power supply circuit is arranged; The number of diagnostic circuits is the same as the number of isolation elements and the number of functional power modules.

8. A car, characterized in that, The vehicle intelligent power distribution architecture as described in any one of claims 1 to 7 further includes a functional power module, a control module, and a display device; The control module is connected to the intelligent power distribution box; The functional power module is connected to the intelligent power distribution box and the fuse power distribution module; The display device is connected to the diagnostic circuit and is used to receive abnormal signals from the fuse.

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