WO2023241543A1 - Whole vehicle power supply system, and vehicle - Google Patents

Abstract

A whole vehicle power supply system, and a vehicle. The system comprises: a first storage battery module (101), a first controller (102), a power generation module (103), and a plurality of regional power utilization modules (104). The first storage battery module (101) and the power generation module (103) are respectively electrically connected to the first controller (102). The first controller (102) is separately electrically connected to the plurality of regional power utilization modules (104). The power generation module (103) is configured to supply power to the plurality of regional power utilization modules (104). The first storage battery module (101) is configured to supply power to the plurality of regional power utilization modules (104) when the power generation module (103) does not operate, and to stabilize current of the power generation module (103) when the power generation module (103) is operating. The first controller (102) is configured to control, according to the regional power utilization requirements, on or off of regional power supply electronic fuses included in the first controller (102) and on or off of the plurality of regional power utilization modules (104).

Description

Vehicle power supply system and vehicle

This application claims priority to the Chinese patent application with application number 202210664635.6, which was submitted to the China Patent Office on June 13, 2022. The entire content of this application is incorporated into this application by reference.

Technical field

This application relates to the technical field of automobile power supply, for example, to a vehicle power supply system and a vehicle.

Background technique

With the continuous development of automobile technology, people's demand for automobile performance has gradually increased. Among them, the power supply method of automobiles has attracted even more attention.

The power supply method used in the whole vehicle is central power supply. The power generation equipment and the battery are connected to the distribution box. They are divided into dozens of circuits through fuses to directly supply power to multiple electrical equipment. Each circuit includes multiple electrical equipment. This This power distribution method is simple to plan and easy to develop.

However, this power supply method also has many disadvantages. For example, it is impossible to turn off the power of an electrical device individually, and it is impossible to turn off unnecessary electrical equipment under some working conditions, which will waste energy; a short circuit occurs in a certain electrical device or line. If there is a fault, the entire branch circuit will not be able to work. Once there is a problem with the power supply circuit of the safety-related electrical equipment, the safety-related electrical equipment will not be able to work normally, which may cause damage to people or vehicles.

Contents of the invention

This application provides a vehicle power supply system and a vehicle that can control the on or off of multiple regional power modules according to regional power needs.

According to one aspect of this application, a vehicle power supply system is provided, which system includes:

The first battery module, the first controller, the power generation module and multiple regional power modules. The first battery module and the power generation module are respectively electrically connected to the first controller. The first controller is electrically connected to the multiple regional power modules. ;

The power generation module is configured to supply power to multiple regional power modules;

The first battery module is configured to supply power to multiple regional power modules when the power generation module is not working, and to stabilize the current of the power generation module when the power generation module is working;

The first controller is configured to control the conduction or shutdown of the regional power supply electronic fuse contained in the first controller and the plurality of regional power modules according to the regional power demand.

Optionally, the first battery module includes a first battery and a first battery circuit, and the first controller is electrically connected to the first battery through the first battery circuit; the power generation module includes a power generation unit, a power generation circuit, and a first fuse. One end of the fuse is electrically connected to the first controller, and the other end is electrically connected to the power generation unit through the power generation circuit.

Optionally, the system also includes: a second battery module and a second controller, the second battery module and the power generation module are electrically connected to the second controller respectively, and the second controller is electrically connected to multiple regional power modules respectively; The second battery module is configured to provide power for multiple safe electrical devices of multiple regional power modules when neither the power generation module nor the first battery module is working; the second controller is configured to control the The safe power supply electronic fuse included in the second controller is connected to or turned off multiple safe electrical equipment included in multiple regional power modules.

Optionally, the first battery module includes a first battery and a first battery circuit, and the first battery and the first controller are electrically connected through the first battery circuit; the second battery module includes a second battery and a second battery circuit, and the second battery module The battery and the second controller are electrically connected through the second battery circuit; the power generation module includes a power generation unit, a power generation circuit, a first fuse and a second fuse. One end of the first fuse is electrically connected to the first controller, and the other end is electrically connected to the first controller. The power generation circuit is electrically connected to the power generation unit; one end of the second fuse is electrically connected to the second controller, and the other end is electrically connected to the power generation unit through the power generation circuit.

Optionally, the number of regional power modules is N, and N is an integer greater than or equal to 2; the first controller includes N regional power supply electronic fuses and 1 charging circuit electronic fuse; the regional power supply electronic fuse and the regional power module The corresponding electrical connection is configured to control the on or off of the corresponding regional power module; the charging circuit electronic fuse of the first controller is set between the first battery module and the power generation module; the second controller includes multiple safe power supplies Electronic fuse and 1 charging circuit electronic fuse; the safe power supply electronic fuse is electrically connected to multiple safe electrical equipment included in the regional power module, and is set to control multiple safe electrical equipment in the regional power module connected to it On or off; the charging circuit electronic fuse of the second controller is set between the second battery module and the power generation module.

Optionally, when the first battery module fails, the electronic fuse of the charging circuit of the first controller is turned off; when the first battery module does not fail, the electronic fuse of the charging circuit of the first controller is turned on; when the second controller When the battery module fails, the electronic fuse of the charging circuit of the second controller is turned off; when the second battery module does not fail, the electronic fuse of the charging circuit of the second controller is turned on.

Optionally, the regional power module includes: a regional controller, K conventional electrical equipment groups and M safe electrical equipment. The regional controller includes M+K conventional power supply electronic fuses, and K is greater than or equal to 2. is an integer, M is an integer greater than or equal to 2; the regional controller is electrically connected to the regional power supply electronic fuse through the regional power supply loop; the conventional electrical equipment group is electrically connected to a conventional power supply electronic fuse; the safety electrical equipment is electrically connected to the conventional power supply electronic fuse The safe electrical equipment and the safe power supply electronic fuse are electrically connected through the conventional power supply circuit.

Optionally, the conventional electrical equipment group includes at least one conventional electrical equipment.

Optionally, the safe electrical equipment includes a current limiter, which is set to limit the current direction of the conventional power supply loop and the safe power supply loop input to the safe electrical equipment to protect the safe electrical equipment.

According to another aspect of the present application, a vehicle is provided, which includes the vehicle power supply system described in any embodiment of the present application.

Description of the drawings

Figure 1 is a schematic structural diagram of a vehicle power supply system provided in Embodiment 1 of the present application;

Figure 2 is a schematic structural diagram of another vehicle power supply system provided by Embodiment 1 of the present application;

Figure 3 is a schematic structural diagram of a vehicle power supply system provided in Embodiment 2 of the present application;

Figure 4 is a schematic structural diagram of another vehicle power supply system provided in Embodiment 2 of the present application;

Figure 5 is a schematic structural diagram of another vehicle power supply system provided in Embodiment 2 of the present application;

Figure 6 is a schematic structural diagram of a vehicle provided in Embodiment 3 of the present application.

Reference number:

100-Vehicle power supply system, 101-First battery module, 102-First controller, 103-Power generation module, 104-Regional power module, 105-Second controller, 106-Second battery module, 108-Region Power supply circuit, 109-safe power supply circuit, 1011-first battery, 1012-first battery circuit, 1021-charging circuit electronic insurance, 1022-regional power supply electronic insurance, 1031-power generation unit, 1032-power generation circuit, 1033-first Fuse, 1034-second fuse, 1051-charging circuit electronic fuse, 1052-safe power supply electronic fuse, 1061-second battery, 1062-second battery circuit, 1041-regional controller, 1042-conventional electrical equipment group , 1043-Conventional power supply circuit, 1044-Safe electrical equipment, 1045-Conventional power supply electronic insurance.

Detailed ways

The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application. The described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

The terms "first", "second", etc. in the description and claims of this application and the above-mentioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. Data so used are interchangeable under appropriate circumstances so that the embodiments of the application described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "include" and "having" and any variations thereof are intended to cover non-exclusive inclusions, e.g., processes, methods, systems, products or devices that comprise a series of steps or units and are not necessarily limited to those steps listed. or units, but may include other steps or units not listed or inherent to such processes, methods, products or devices.

Embodiment 1

Figure 1 is a schematic structural diagram of a vehicle power supply system provided in Embodiment 1 of the present application. This embodiment can be applied to situations such as regionalized power supply of vehicle-mounted electrical equipment. As shown in Figure 1, the system includes: a first battery module 101. The first controller 102, the power generation module 103 and multiple regional power consumption modules 104. The first battery module 101 and the power generation module 103 are electrically connected to the first controller 102 respectively. The first controller 102 is connected to multiple regional power consumption modules. The modules 104 are electrically connected respectively; the power generation module 103 is configured to supply power to multiple regional power modules 104; the first battery module 101 is configured to power the multiple regional power modules 104 when the power generation module 103 is not working, and when the power generation module When 103 is working, the current of the power generation module 103 is stabilized; the first controller 102 is configured to control the conduction or shutdown of the regional power supply electronic insurance included in the first controller 102 and the multiple regional power modules 104 according to the regional power demand. break.

Among them, the first battery module 101 and the power generation module 103 provide power for electrical equipment on the vehicle. Under normal circumstances, the power generation module 103 supplies power to the electrical equipment on the vehicle. When the power generation module 103 fails and fails to work, the first battery module 101 supplies power to the electrical equipment on the vehicle. In addition, the first battery module 101 can also stabilize the current of the power generation module 103 when the power generation module 103 is working, thereby providing a stable power supply for the electrical equipment on the vehicle.

This application is intended to solve the problems of being unable to turn off the power of a certain electrical equipment individually, being unable to turn off unnecessary electrical equipment under certain working conditions, and the entire branch circuit being unable to work when a certain electrical equipment or line has a short-circuit fault. . The vehicle power supply system provided by this application divides the electrical equipment on the vehicle into regions, and can provide power supply by region for convenient control. For example, the first controller 102 is a module that can perform regional power supply control and can control the conduction of the regional power supply electronic insurance included in the first controller 102 and the multiple regional power modules 104 according to the regional power demand. On or off, only when the regional power supply electronic fuse corresponding to the regional power module 104 is on, power can be supplied to the regional power module 104, which can save resources and avoid unnecessary consumption of electrical energy.

For example, if there are N regional power modules, only regional power module 1 and regional power module 6 need power. Then, the first controller 102 will control the regional power supply electronic fuses corresponding to the regional power module 1 and the regional power module 6 to be in the on state, and the remaining N-2 regional power supply electronic fuses to be in the off state. At this time, the power generation module 103 will provide power to the regional power module 1 and the regional power module 6. When the power generation module 103 fails and does not work, the first battery module 101 will provide power to the regional power module 1 and the regional power module 6. .

The regional power module 104 may include multiple electrical devices. The regional power demand may be that all the electrical devices in the regional power module 104 need to be powered, or it may be that some of the electrical devices in the regional power module 104 need power. Power supply is not limited in the embodiments of this application.

For example, when the regional power demand requires power supply for all electrical equipment in the regional power module 104, the vehicle power supply system will be controlled to provide power for all electrical equipment in the regional power module 104. When the domain power demand is that some of the electrical equipment in the regional power module 104 need to be powered, the vehicle power supply system will be controlled to provide power to the electrical equipment in the regional power module 104 that has power demand.

Optionally, Figure 2 is a schematic structural diagram of another vehicle power supply system provided in Embodiment 1 of the present application. It can be seen from the figure that the first battery module 101 includes a first battery 1011 and a first battery circuit 1012. A controller 102 is electrically connected to the first battery 1011 through the first battery circuit 1012, and the first battery 1011 is grounded; the power generation module 103 includes a power generation unit 1031, a power generation circuit 1032 and a first fuse 1033. One end of the first fuse 1033 is connected to the ground. The first controller 102 is electrically connected, the other end of the first fuse 1033 is electrically connected to the power generation unit 1031 through the power generation circuit 1032, and the power generation unit 1031 is grounded.

The ground can be the ground level provided on the vehicle to ensure the normal operation of the power supply system.

For example, the first fuse 1033 is a current protector. When the current exceeds a specified value, the fuse itself generates heat to melt the fuse, thereby disconnecting the circuit to protect the entire vehicle power supply system.

Exemplarily, the power provided by the first battery 1011 is transmitted to multiple regional power modules 104 through the first battery circuit 1012 and the first controller 102; the power provided by the power generation unit 1031 is transmitted through the power generation circuit 1032, the first fuse 1033 and the third A controller 102 transmits to multiple regional power modules 104 . In the embodiment of the present application, the first battery module 101 provides power for the entire vehicle when the power generation module 103 is not working. After the power generation module 103 is started, it plays the role of peak shaving and valley filling, and stabilizing the current of the power generation module 103.

Optionally, when the first battery module 101 fails, the electronic fuse of the charging circuit included in the first controller 102 will be turned off. At this time, the power generation module 103 will not be able to communicate with multiple regional power modules through the first controller 102 104 connection to protect the vehicle power supply system.

The technical solution of this embodiment is that through the first battery module 101, the first controller 102, the power generation module 103 and multiple regional power modules 104, the first battery module 101 and the power generation module 103 are electrically connected to the first controller 102 respectively. , the first controller 102 is electrically connected to multiple regional power modules 104 respectively; the power generation module 103 is configured to supply power to the multiple regional power modules 104; the first battery module 101 is configured to provide power to multiple regional power modules 104 when the power generation module 103 is not working. A regional power module 104 supplies power, and when the power generation module 103 is working, the current of the power generation module 103 is stabilized; the first controller 102 is configured to control the regional power supply electronic insurance included in the first controller 102 according to the regional power demand. Turning on or off multiple regional power modules 104. In the technical solution of the present application, the first battery module 101 and the power generation module 103 are electrically connected to each regional power module 104 through the first controller 102, and can control the conduction of multiple regional power modules 104 according to the regional power demand. Turn on or off to provide power to the electrical equipment on the vehicle in a regional manner, reducing unnecessary energy consumption. The technical solution of this embodiment solves the problem that the power supply of a certain electrical equipment cannot be turned off alone, unnecessary electrical equipment cannot be turned off under certain working conditions, and the entire branch circuit will be shut down when a short circuit fault occurs in a certain electrical equipment or line. In case of problems such as being unable to work, it can control the on or off of multiple regional power modules 104 according to regional power needs, regionally supply power to the electrical equipment on the vehicle, and reduce unnecessary electrical energy consumption.

Embodiment 2

Figure 3 is a schematic structural diagram of a vehicle power supply system provided in Embodiment 2 of the present application. This embodiment can be applied to situations such as regional power supply of vehicle-mounted electrical equipment. As shown in Figure 3, the system includes: a first battery module 101. The first controller 102, the second battery module 106, the second controller 105, the power generation module 103 and multiple regional power modules 104. The first battery module 101 and the power generation module 103 are electrically connected to the first controller 102 respectively. , the first controller 102 is electrically connected to multiple regional power modules 104 respectively; the power generation module 103 is configured to supply power to the multiple regional power modules 104; the first battery module 101 is configured to provide power to multiple regional power modules 104 when the power generation module 103 is not working. A regional power module 104 supplies power, and when the power generation module 103 is working, the current of the power generation module 103 is stabilized; the first controller 102 is configured to control the regional power supply electronic insurance included in the first controller 102 according to the regional power demand. Turning on or off multiple regional power modules 104; the second battery module 106 and the power generation module 103 are electrically connected to the second controller 105, and the second controller 105 is electrically connected to each regional power module 104; The second battery module 106 is configured to provide power for multiple safe electrical devices of the multiple regional power modules 104 when neither the power generation module 103 nor the first battery module 101 is working; the second controller 105 is configured to provide power according to the region. The power demand controls the on or off of the safe power supply electronic fuse included in the second controller 105 and the multiple safe electrical equipment included in the multiple regional power modules 104 .

Among them, the first battery module 101, the second battery module 106 and the power generation module 103 provide power for electrical equipment on the vehicle. The system also includes a detection unit configured to detect the working conditions of the first battery module 101 and the power generation module 103. When the power generation module 103 works normally, the power generation module 103 supplies power to the electrical equipment on the vehicle. When the power generation module 103 fails, it does not work. When the power generation module 103 and the first battery module 101 are not working, the second battery module 106 supplies power to the safety electrical equipment on the vehicle. For example, the first battery module 101 and the second battery module 106 can also stabilize the current of the power generation module 103 when the power generation module 103 is working, thereby providing a stable power supply for the electrical equipment on the vehicle.

This application is intended to solve the problems of being unable to turn off the power of a certain electrical equipment individually, being unable to turn off unnecessary electrical equipment under certain working conditions, and the entire branch circuit being unable to work when a certain electrical equipment or line has a short-circuit fault. . The vehicle power supply system provided by this application divides the electrical equipment on the vehicle into regions, and can provide power supply by region for convenient control. Exemplarily, both the first controller 102 and the second controller 105 are modules that can perform regional power supply control, and can control the power consumption equipment corresponding to the multiple regional power consumption modules 104 according to the regional power demand. When the electronic fuse is turned on or off, only when the electronic fuse corresponding to the electrical equipment in the regional power module 104 is turned on, power will be supplied to the electrical equipment in the regional power module 104, which can save resources and avoid some problems. Unnecessary consumption of electrical energy.

For example, if there are N regional power modules, but there are only regional power module 1 and regional power module Block 6 requires electricity. Then, the electronic fuses in the first controller 102 and the second controller 105 corresponding to the electrical equipment in the regional power module 1 and the regional power module 6 will be in a conductive state, and the remaining N-2 regional power consumers will The electronic fuse corresponding to the electrical equipment in the module is turned off. The power generation module 103 will provide power for the electrical equipment in the regional power module 1 and the regional power module 6. When the power generation module 103 fails and does not work, the first battery module 101 will provide power to the regional power module 1 and the regional power module. When neither the power generation module 103 nor the first battery module 101 is working, the second battery module 106 supplies power to the safe electrical equipment in the regional power module 1 and the regional power module 6 .

Optionally, Figure 4 is a schematic structural diagram of another vehicle power supply system provided in Embodiment 2 of the present application. It can be seen from the figure that the first battery module 101 includes a first battery 1011 and a first battery circuit 1012. A battery 1011 and the first controller 102 are electrically connected through a first battery circuit 1012. The first battery 1011 is grounded and the first controller 102 is grounded. The second battery module 106 includes a second battery 1061 and a second battery circuit 1062. The battery 1061 and the second controller 105 are electrically connected through the second battery circuit 1062, the second battery 1061 is grounded, and the second controller 105 is grounded; the power generation module 103 includes a power generation unit 1031, a power generation circuit 1032, a first fuse 1033 and a second Fuse 1034, one end of the first fuse 1033 is electrically connected to the first controller 102, the other end of the first fuse 1033 is electrically connected to the power generation unit 1031 through the power generation circuit 1032; one end of the second fuse 1034 is electrically connected to the second control unit 1034. The other end of the second fuse 1034 is electrically connected to the power generation unit 1031 through the power generation loop 1032, and the power generation unit 1031 is grounded.

The ground may be the ground level provided on the vehicle to ensure the normal operation of the power supply system.

For example, the first fuse 1033 and the second fuse 1034 are both current protectors. When the current exceeds a specified value, the fuse itself generates heat to melt the fuse, thus disconnecting the circuit to protect the power supply of the entire vehicle. system.

Exemplarily, the power provided by the first battery 1011 is transmitted to multiple regional power modules 104 through the first battery circuit 1012 and the first controller 102; the power provided by the power generation unit 1031 is transmitted through the power generation circuit 1032, the first fuse 1033 and the third A controller 102 transmits to multiple regional power modules 104; the power provided by the second battery 1061 is transmitted to multiple safety electrical devices of the multiple regional power modules 104 through the second battery circuit 1062 and the second controller 105. In the embodiment of the present application, the first battery module 101 provides power for the entire vehicle when the power generation module 103 is not working. After the power generation module 103 is started, it plays the role of peak shaving and valley filling and stabilizing the current of the power generation module 103. The second battery module 106 When neither the power generation module 103 nor the first battery module 101 is working, power is provided for the safety electrical equipment of the vehicle to ensure normal operation of the safe electrical equipment.

For example, when the first battery module 101 fails, the first controller 102 will disconnect the power generation module 103 to protect the entire vehicle power supply system.

Optionally, Figure 5 is a schematic structural diagram of another vehicle power supply system provided in Embodiment 2 of the present application. It can be seen from the figure that the number of regional power modules 104 is N, and N is an integer greater than or equal to 2. ; The first controller 102 includes N regional power supply electronic fuses 1022 and 1 charging circuit electronic fuse 1021; the regional power supply electronic fuse 1022 is electrically connected to the regional power module 104, and is configured to control the conduction of the corresponding regional power module 104. On or off; the charging circuit electronic fuse 1021 of the first controller 102 is set between the first battery module 101 and the power generation module 103; the second controller 105 includes multiple safe power supply electronic fuses 1052 and one charging circuit electronic fuse 1051; The safe power supply electronic fuse 1052 is electrically connected to multiple safe electrical equipment 1044 included in the regional power module 104, and is configured to control multiple safe electrical equipment in the regional power module 104 connected to the safe power supply electronic fuse 1052. 1044 is turned on or off; the charging circuit electronic fuse 1051 of the second controller 105 is provided between the second battery module 106 and the power generation module 103 .

Among them, the regional power supply electronic fuse 1022 and the regional power consumption module 104 are in one-to-one correspondence, that is, a regional power supply electronic fuse 1022 is electrically connected to a regional power consumption module 104, and the regional power supply electronic fuse 1022 controls the regional power consumption module connected to it. 104 is turned on or off. The charging circuit electronic fuse 1021 of the first controller 102 is arranged between the first battery module 101 and the power generation module 103, and is configured to control whether to conduct the power provided by the first battery module 101 and the power generation module 103 to multiple regional power modules. 104. The safe power supply electronic fuse 1052 also corresponds to each safe power equipment 1044 of the regional power module 104. A safe power supply electronic fuse 1052 is electrically connected to the safe power equipment 1044 in a regional power module 104. Through the safety The power supply electronic fuse 1052 controls the on or off of each safety electrical device 1044 connected to it. The charging circuit electronic fuse 1051 of the second controller 105 is arranged between the second battery module 106 and the power generation module 103, and is configured to control whether to conduct the power provided by the second battery module 106 and the power generation module 103 to multiple regional power modules. 104.

Optionally, when the first battery module 101 fails, the charging circuit electronic fuse 1021 of the first controller 102 is turned off; when the first battery module 101 does not fail, the charging circuit electronic fuse 1021 of the first controller 102 is turned off. When the second battery module 106 fails, the charging circuit electronic fuse 1051 of the second controller 105 is turned off; when the second battery module 106 does not fail, the charging circuit electronic fuse 1051 of the second controller 105 is turned on. Pass.

For example, under normal circumstances, the charging circuit electronic fuse 1021 of the first controller 102 and the charging circuit electronic fuse 1051 of the second controller 105 are connected. When the first battery module 101 fails, the first controller 102 The electronic fuse 1021 of the charging circuit will be disconnected. At this time, the power provided by the first battery module 101 and the power generation module 103 will not be provided to any regional power module 104 to protect the entire vehicle power supply system. Similarly, the charging circuit electronic fuse 1051 of the second controller 105 is also the same.

The vehicle power supply system may include an electronic computing module, which controls the charging circuit electronic insurance 1021, the charging circuit electronic insurance 1051, the regional power supply electronic insurance 1022 and the safety power supply electronics The fuse 1052 is connected or disconnected.

Exemplarily, the electronic computing module can control the regional power supply electronic fuse 1022 and safety power supply electronic fuse 1052 corresponding to the regional power supply module 104 that needs power supply according to the regional power demand, and connect the remaining regional power supply electronic fuses 1022 and Safety power supply electronic fuse 1052 is turned off. For example, when a certain electrical equipment or power supply circuit fails or is short-circuited, the electronic computing module will control the regional power supply electronic fuse 1022 and/or the safety power supply electronic fuse 1052 corresponding to the electronic computing module to turn off to protect the entire system. vehicle power supply system, while avoiding the impact of this fault on other circuits and electrical equipment.

For example, both the first controller 102 and the second controller 105 may include some regional control functions, for example, they may include actuators such as pumps and valves in the region where they are located, or may include sensors such as temperature and voltage to form a more advanced controller. Powerful zone controller.

Optionally, as can be seen from Figure 5, the regional power module 104 includes: a regional controller 1041, K regular power equipment groups 1042 and M safety power equipment 1044. The regional controller 1041 includes M+K Conventional power supply electronic fuse, K is an integer greater than or equal to 2, M is an integer greater than or equal to 2; the regional controller 1041 is electrically connected to the regional power supply electronic fuse 1022 through the regional power supply loop 108, and the regional controller 1041 is grounded; conventional electricity The equipment group 1042 is electrically connected to a conventional power supply electronic fuse 1045, and the conventional electrical power equipment group 1042 is grounded; the safety electrical equipment 1044 is electrically connected to the conventional power supply electronic fuse 1045 through a conventional power supply circuit 1043, and the safe electrical equipment 1044 is connected to the safe power supply electronic fuse 1043. 1052 is electrically connected through the safety power supply circuit 109, and the safety electrical equipment 1044 is grounded.

Among them, the conventional power supply electronic fuses 1045 are in one-to-one correspondence with the conventional electrical equipment groups 1042 and safety electrical equipment 1044. K conventional power supply electronic fuses 1045 are electrically connected to K conventional electrical equipment groups 1042 respectively, and the remaining M The conventional power supply electronic fuse 1045 is electrically connected to M safety electrical equipment 1044 respectively, and the conventional power supply electronic fuse 1045 controls the on or off of the conventional electrical equipment group 1042 or the safety electrical equipment 1044 connected thereto. The safe power supply electronic fuse 1052 also corresponds to the safe power equipment 1044. A safe power supply electronic fuse 1052 is electrically connected to a safe power equipment 1044. The safe power supply electronic fuse 1052 is set to control the safety power equipment 1044 connected to it. On or off.

For example, the conventional electrical equipment group 1042 includes at least one conventional electrical equipment, that is, non-safety-related electrical equipment, which will not harm people or vehicles when a power supply failure occurs, and the locations of the equipment in the same group are relatively concentrated. Each conventional electrical equipment can be electrically connected to the conventional electrical equipment group 1042 through the equipment power supply electronic fuse. The conventional electrical equipment group 1042 controls the conduction of the conventional electrical equipment connected to the conventional electrical equipment group 1042 through the equipment power supply electronic fuse. On or off. The safe electrical equipment 1044 will endanger people or vehicles when a power supply failure occurs, so the control method of the safe electrical equipment 1044 is individual control.

Optionally, the safe electrical equipment 1044 includes a current limiter, which is set to limit the current direction of the conventional power supply circuit 1043 and the safe power supply circuit 109 input to the safe electrical equipment 1044 to protect the safe electrical equipment. 1044.

For example, the safe electrical equipment 1044 has two power inputs. In order to prevent the two power supplies from being interfered by each other, devices that limit the direction of the current are provided on the access loops of each power supply inside the safe electrical equipment 1044. Different There is isolation on the power supply access loop to ensure that the connected power supplies will not affect each other. Avoid the situation where one power supply fails and the other power supply circuit cannot supply power.

The technical solution of this embodiment uses the first battery module 101, the first controller 102, the second battery module 106, the second controller 105, the power generation module 103 and multiple regional power modules 104. The first battery module 101 and The power generation module 103 is electrically connected to the first controller 102 respectively, and the first controller 102 is electrically connected to multiple regional power modules 104 respectively; the power generation module 103 is configured to supply power to the multiple regional power modules 104; the first battery module 101 The first controller 102 is configured to provide power to multiple regional power modules 104 when the power generation module 103 is not working, and to stabilize the current of the power generation module 103 when the power generation module 103 is working; the first controller 102 is set to control the multiple regional power consumption modules 104 according to the regional power demand. The second battery module 106 and the power generation module 103 are respectively electrically connected to the second controller 105, and the second controller 105 is electrically connected to each regional power module 104; The second battery module 106 is configured to provide power for multiple safe electrical devices of the multiple regional power modules 104 when neither the power generation module 103 nor the first battery module 101 is working; the second controller 105 is configured to provide power according to the regional power usage. According to the power demand, the safe power supply electronic fuse included in the second controller 105 and the multiple safe electrical equipment included in the multiple regional power modules 104 are controlled to be turned on or off. In the technical solution of this application, the first battery module 101 and the power generation module 103 are electrically connected to each regional power module 104 through the first controller 102, and the second battery module 106 is respectively connected to each regional power module 104 through the second controller 105. The electrical module 104 is electrically connected and can control the on or off of multiple regional electrical modules 104 according to the regional power demand, regionally powering the electrical equipment on the vehicle, reducing unnecessary electrical energy consumption, and at the same time The second battery module 106 can provide power to multiple regional power modules 104 when neither the power generation module 103 nor the first battery module 101 is working. It solves the problem of being unable to turn off the power of a certain electrical equipment individually, being unable to turn off unnecessary electrical equipment under certain working conditions, the entire branch circuit being unable to work when a certain electrical equipment or line has a short-circuit fault, and safety-related applications. Problems such as damage to people and vehicles caused when electrical equipment fails to work properly.

Embodiment 3

The third embodiment of the present application provides a vehicle. Figure 6 is a schematic structural diagram of a vehicle provided by the third embodiment of the present application. As can be seen from the figure, the vehicle includes the vehicle power supply system 100 described in any embodiment of the present application. It can provide power to the electrical equipment on the vehicle in a regional manner, conveniently control the on and off of the electrical equipment, and at the same time, it can also reduce unnecessary energy consumption. The vehicle power supply method, implementation principle and technical effects provided by the embodiments of the present application are similar to the above-mentioned embodiments, and will not be described again here.

Claims (10)

1. A vehicle power supply system, including: a first battery module, a first controller, a power generation module and multiple regional power modules, the first battery module and the power generation module are electrically connected to the first controller respectively , the first controller is electrically connected to the multiple regional power modules respectively;

   The power generation module is configured to supply power to the multiple regional power modules;

   The first battery module is configured to supply power to the multiple regional power modules when the power generation module is not working, and to stabilize the current of the power generation module when the power generation module is working;

   The first controller is configured to control on or off the regional power supply electronic fuse included in the first controller and the plurality of regional power modules according to regional power demand.
2. The vehicle power supply system according to claim 1, wherein the first battery module includes a first battery and a first battery circuit, and the first controller communicates with the first battery circuit through the first battery circuit. connect;

   The power generation module includes a power generation unit, a power generation circuit and a first fuse. One end of the first fuse is electrically connected to the first controller, and the other end of the first fuse is connected to the power generation circuit through the power generation circuit. The power generation unit is electrically connected.
3. The vehicle power supply system according to claim 1, further comprising: a second battery module and a second controller, the second battery module and the power generation module are electrically connected to the second controller respectively, and the second battery module and the power generation module are respectively electrically connected to the second controller. Two controllers are electrically connected to the multiple regional power modules respectively;

   The second battery module is configured to supply power to multiple safe electrical devices included in the multiple regional power modules when neither the power generation module nor the first battery module is working;

   The second controller is configured to control the safe power supply electronic insurance included in the second controller and the multiple safe power included in the multiple regional power modules according to the regional power demand. The device is turned on or off.
4. The vehicle power supply system according to claim 3, wherein the first battery module includes a first battery and a first battery circuit, and the first battery and the first controller are powered by the first battery circuit. connect;

   The second battery module includes a second battery and a second battery circuit, and the second battery and the second controller are electrically connected through the second battery circuit;

   The power generation module includes a power generation unit, a power generation circuit, a first fuse and a second fuse. One end of the first fuse is electrically connected to the first controller, and the other end of the first fuse passes through The power generation circuit is electrically connected to the power generation unit; one end of the second fuse is electrically connected to the second controller, and the other end of the second fuse is electrically connected to the power generation unit through the power generation circuit. .
5. The vehicle power supply system according to claim 3, wherein the number of the plurality of regional power modules is N, and N is an integer greater than or equal to 2;

   The first controller includes N regional power supply electronic fuses and 1 charging circuit electronic fuse; the N regional power supply electronic fuses are electrically connected to the plurality of regional power modules, and are configured to control the regional power supply electronic fuses. The electrical fuse in the corresponding area of the fuse is turned on or off; the electronic fuse of the charging circuit of the first controller is set between the first battery module and the power generation module;

   The second controller includes multiple safe power supply electronic fuses and one charging circuit electronic fuse;

   The safe power supply electronic fuse is electrically connected to each safe electrical equipment included in the regional power module, and is configured to control the operation of each safe electrical equipment in the regional power module connected to the safe power supply electronic fuse. On or off; the charging circuit electronic fuse of the second controller is set between the second battery module and the power generation module.
6. The vehicle power supply system according to claim 5, wherein,

   In the event that the first battery module fails, the electronic fuse of the charging circuit of the first controller is turned off; in the case that the first battery module does not fail, the charging circuit of the first controller Electronic insurance conduction;

   When the second battery module fails, the electronic fuse of the charging circuit of the second controller is turned off; when the second battery module does not fail, the charging circuit of the second controller Electronic insurance conduction.
7. The vehicle power supply system according to claim 5, wherein the regional power module includes: a regional controller, K conventional electrical equipment groups and M safe electrical equipment, and the regional controller includes M+K A conventional power supply electronic fuse, K is an integer greater than or equal to 2, M is an integer greater than or equal to 2;

   The regional controller is electrically connected to the regional power supply electronic fuse through a regional power supply circuit;

   The conventional electrical equipment group is electrically connected to the conventional power supply electronic fuse;

   The safety electrical equipment and the conventional power supply electronic fuse are electrically connected through a conventional power supply circuit, and the safety electrical equipment and the safety power supply electronic fuse are electrically connected through a safety power supply circuit.
8. The vehicle power supply system according to claim 7, wherein the conventional electrical equipment group includes at least one conventional electrical equipment.
9. The vehicle power supply system according to claim 7, wherein the safe electrical equipment includes a current limiter configured to limit the current direction of the conventional power supply loop and the safe power supply loop input to the safe electrical equipment, To protect the safe electrical equipment.
10. A vehicle including the vehicle power supply system according to any one of claims 1-9.