CN116811755A - Intelligent power distribution system and electric vehicle - Google Patents
Intelligent power distribution system and electric vehicle Download PDFInfo
- Publication number
- CN116811755A CN116811755A CN202310896598.6A CN202310896598A CN116811755A CN 116811755 A CN116811755 A CN 116811755A CN 202310896598 A CN202310896598 A CN 202310896598A CN 116811755 A CN116811755 A CN 116811755A
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- intelligent
- distribution box
- vehicle
- power supply
- power
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- 239000004973 liquid crystal related substance Substances 0.000 claims description 14
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
Abstract
The embodiment of the application provides an intelligent power distribution system and an electric vehicle, wherein the system comprises a plurality of intelligent power distribution boxes, a plurality of intelligent power distribution boxes and a plurality of electric control units, wherein the intelligent power distribution boxes are communicated through a CAN bus, and power supply output ports of the intelligent power distribution boxes are respectively connected with different electric equipment; the power supply output port is used for outputting currents with different magnitudes. Through arranging a plurality of intelligent distribution boxes around the vehicle body, the distribution of electric equipment of the electric vehicle can be particularly carried out, and the electric equipment distributed at different vehicle body positions can be connected with power supply output ports of matching power of the adjacent intelligent distribution boxes to receive power supply, so that different electric equipment at each position of the vehicle body does not need to be supplied with power lines to a single digital distribution box, and the problems of complicated circuit and difficult maintenance in the electric vehicle distribution system are solved.
Description
Technical Field
The application belongs to the technical field of intelligent power distribution, and particularly relates to an intelligent power distribution system and an electric vehicle.
Background
The electric vehicle gradually becomes the mainstream development direction, and this puts higher demands on the vehicle distribution system, and the distribution system of electric vehicle mainly comprises battery, DC/DC, insurance, relay, controller, digital distribution box, pencil group etc. because electric vehicle's electrical equipment is numerous to be spread around the automobile body, and just usually only a digital distribution box gives the power supply of different electrical equipment to the power cord of different electrical equipment is spread to be spread over the automobile body, leads to pencil maintenance difficulty.
Disclosure of Invention
The embodiment of the application provides an intelligent power distribution system and an electric vehicle, which can solve the problems of complicated circuit and difficult maintenance in the power distribution system of the electric vehicle.
In a first aspect, an embodiment of the present application provides an intelligent power distribution system, including:
the intelligent power distribution boxes are communicated through the CAN buses, and power supply output ports of the intelligent power distribution boxes are respectively connected with different electric equipment;
the power supply output port is used for outputting currents with different magnitudes.
Optionally, the method further comprises:
the intelligent distribution boxes are connected through the power bus;
the power bus is used for conveying electric energy to the intelligent distribution box.
Optionally, the method further comprises:
the liquid crystal display is connected to the CAN bus;
the intelligent distribution box is used for sending the state information of the power supply output port to the liquid crystal display through the CAN bus;
the liquid crystal display is used for receiving and displaying the state information of the power supply output port.
Alternatively to this, the method may comprise,
the intelligent distribution box comprises multiple paths of address wires, wherein the multiple paths of address wires comprise external wiring;
the multi-path address lines are used for determining the physical address of the intelligent distribution box.
Optionally, the method further comprises:
the whole vehicle controller is communicated with the intelligent distribution box through a CAN bus;
the vehicle controller is used for generating a control instruction which is distributed to the intelligent distribution box through the CAN bus, and the control instruction comprises the physical address;
the intelligent distribution box is further used for controlling the power supply output port based on the control instruction.
Optionally, the method further comprises:
the intelligent distribution boxes are connected through the external signal lines;
the external signal line is used for transmitting external signals of the vehicle to the whole vehicle controller.
Optionally, further comprising;
the equipment switch is connected with the whole vehicle controller;
the whole vehicle controller is also used for generating the control instruction based on the signal of the equipment switch.
Alternatively to this, the method may comprise,
the intelligent distribution box further comprises an external signal input port and an external signal output port;
the external signal input port is used for receiving external signals of the vehicle, and the external signal output port is used for sending the external signals of the vehicle to the whole vehicle controller through an external signal line.
Alternatively to this, the method may comprise,
the vehicle exterior signal includes a switch sensor state.
In a second aspect, embodiments of the present application provide an electric vehicle,
the vehicle comprising a system as claimed in any one of the first aspects.
In summary, an embodiment of the present application provides an intelligent power distribution system, including: the intelligent power distribution boxes are communicated through the CAN bus, and power supply output ports of the intelligent power distribution boxes are respectively connected with different electric equipment; the power supply output port is used for outputting currents with different magnitudes. Through arranging a plurality of intelligent distribution boxes around the vehicle body, the distribution of electric equipment of the electric vehicle can be particularly carried out, and the electric equipment distributed at different vehicle body positions can be connected with power supply output ports of matching power of the adjacent intelligent distribution boxes to receive power supply, so that different electric equipment at each position of the vehicle body does not need to be supplied with power lines to a single digital distribution box, and the problems of complicated circuit and difficult maintenance in the electric vehicle distribution system are solved.
Correspondingly, the electric vehicle provided by the embodiment of the application also has the technical effects.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for the purpose of illustrating preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the figures.
In the drawings:
FIG. 1 is a schematic block diagram of a possible intelligent power distribution system according to an embodiment of the present application;
FIG. 2 is a schematic block diagram of another possible intelligent power distribution system according to an embodiment of the present application;
Detailed Description
The terms "first," "second," "third," "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments described herein may be implemented in other sequences than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments.
The existing electric vehicle distribution system is usually realized by a digital distribution box, and various electric devices with different input currents of the electric vehicle are connected to the digital distribution box.
Accordingly, there is a need to provide an intelligent power distribution system for an electric vehicle that solves at least the above technical problems.
In a first aspect, referring to fig. 1, fig. 1 is a schematic diagram of an intelligent power distribution system according to an embodiment of the present application, where the system includes:
the intelligent power distribution boxes are communicated through the CAN bus, and power supply output ports of the intelligent power distribution boxes are respectively connected with different electric equipment;
the power supply output port is used for outputting currents with different magnitudes.
The intelligent distribution box comprises a plurality of power supply output ports with different current magnitudes, such as 15A and 30A, and is also provided with a contactor, so that the intelligent distribution box can provide power supply output with high current, such as 60A and 80A, and can carry high-power electric equipment, such as an air conditioner, and the like.
According to the power supply output ports with different current sizes, the intelligent distribution box can be connected with different electric equipment.
It CAN be stated that a plurality of the intelligent distribution boxes communicate through the CAN bus of the electric vehicle, and each intelligent distribution box is connected with the CAN bus, so that each intelligent distribution box CAN receive instructions on the CAN bus.
The intelligent power distribution boxes are distributed around the vehicle body, and the distribution of electric equipment of the electric vehicle can be used for arranging the intelligent power distribution boxes, so that the electric equipment distributed at different vehicle body positions can be connected with power supply output ports of matching power of the adjacent intelligent power distribution boxes to receive power supply, and power supply lines of different electric equipment at various positions of the vehicle body are not required to be supplied to a single digital power distribution box, and the problems of circuit redundancy and difficult maintenance of an electric vehicle power distribution system are solved.
According to some embodiments, further comprising:
the intelligent distribution boxes are connected through the power bus;
the power bus is used for conveying electric energy to the intelligent distribution box.
As shown in fig. 2, the above-mentioned intelligent power distribution system further includes a power bus, where each intelligent power distribution box is cascaded to the power bus, and the power bus may transmit the electric energy of the storage battery or the DC/DC (direct current to direct current) module to each intelligent power distribution box, so that each intelligent power distribution box does not need to supply power from the storage battery or the DC/DC module alone, thereby saving power cables and avoiding line redundancy.
According to some embodiments, further comprising:
the liquid crystal display is connected to the CAN bus;
the intelligent distribution box is used for sending the state information of the power supply output port to the liquid crystal display through the CAN bus;
the liquid crystal display is used for receiving and displaying the state information of the power supply output port.
As shown in fig. 2, the intelligent power distribution system further includes a liquid crystal display, where the liquid crystal display is connected to the CAN bus, and the liquid crystal display may be a vehicle-mounted display large screen. The intelligent distribution boxes CAN send the state information of the power supply output ports of the ports to the liquid crystal display through the CAN bus, so that the liquid crystal display CAN display the state information of the power supply output ports, and the state information CAN comprise a switch state, a current temperature, a current, a high-temperature protection state, an overcurrent protection state and the like. Therefore, a user of the electric vehicle can monitor the working state of each electric equipment in real time so as to learn the fault occurrence of the electric equipment in advance.
In accordance with some of the embodiments of the present application,
the intelligent distribution box comprises multiple paths of address wires, wherein the multiple paths of address wires comprise external wiring;
the multi-path address lines are used for determining the physical address of the intelligent distribution box.
For example, as shown in fig. 2, the intelligent distribution box includes multiple address lines, and the physical address of the corresponding intelligent distribution box can be determined based on different high-low level states of the address lines. It should be noted that the multiple address lines include external wiring, so that it can be directly replaced when a certain intelligent distribution box needs to be replaced without reconfiguring the address.
According to some embodiments, further comprising:
the whole vehicle controller is communicated with the intelligent distribution box through a CAN bus;
the vehicle controller is used for generating a control instruction which is distributed to the intelligent distribution box through the CAN bus, wherein the control instruction comprises the physical address;
the intelligent distribution box is also used for controlling the power supply output port based on the control instruction.
As shown in fig. 2, the intelligent power distribution system further includes a vehicle controller, and the vehicle controller distributes control instructions to each intelligent power distribution box through the CAN bus, where the control instructions include physical addresses, so that the control instructions may reach the corresponding intelligent power distribution boxes.
According to some embodiments, further comprising:
an external signal line through which the intelligent distribution boxes are connected;
the external signal line is used for conveying external signals of the vehicle to the whole vehicle controller.
As shown in fig. 2, the intelligent distribution boxes can be connected through the external signal lines, and the external signal lines can be signal wire bundles, so that various external signals can be transmitted, for example, a main power switch can be included, the main power switch is used for starting electric equipment, and under the condition that the main power switch is closed, a closing signal is sequentially transmitted to the intelligent distribution boxes through the external signal lines, so that the intelligent distribution boxes are connected. The external signal line is also connected with the whole vehicle controller, so that external signals can be transmitted to the whole vehicle controller through the external signal line.
It can be stated that all intelligent distribution boxes are connected through external signal wires, so that external signals can be transmitted through the intelligent distribution boxes, the cable layout is saved, and the circuit redundancy is avoided.
According to some embodiments, further comprising:
the equipment switch is connected with the whole vehicle controller;
the whole vehicle controller is also used for generating the control instruction based on the signal of the equipment switch.
As shown in fig. 2, the intelligent power distribution system further includes a device switch, where the device switch is used to control various electrical devices, such as turning on the audio device by a vehicle user, and the vehicle controller sends a control instruction according to the corresponding device switch of the audio device, so that the intelligent power distribution box connected with the audio device can supply power to the audio device.
In accordance with some of the embodiments of the present application,
the intelligent distribution box further comprises an external signal input port and an external signal output port;
the external signal input port is used for receiving external signals of the vehicle, and the external signal output port is used for sending the external signals of the vehicle to the whole vehicle controller through an external signal line.
As shown in fig. 2, the intelligent distribution box includes an external signal input port for receiving a vehicle external signal, which may include an alarm or the like, and an external signal output port that may transmit the vehicle external signal to the vehicle controller through an external signal line.
It can be stated that the external signal input end and the external signal output end are connected in the intelligent distribution box, so that the cable layout can be saved, and the circuit redundancy is avoided.
In accordance with some of the embodiments of the present application,
the vehicle exterior signal includes a switch sensor state.
The vehicle external signal includes a switch sensor state, such as a pressure sensor and a temperature sensor, and the intelligent distribution box can transmit the acquired switch sensor state to the vehicle controller through an external signal line, so that the vehicle controller can judge the corresponding switch sensor state according to the obtained signal.
In a second aspect, embodiments of the present application provide an electric vehicle,
comprising a system as described in any of the first aspects.
The plurality of intelligent distribution boxes are arranged around the electric vehicle body, and can be distributed according to distribution of electric equipment, different electric equipment can be accessed into the intelligent distribution boxes, and therefore the problems of line redundancy and difficult maintenance in an electric vehicle distribution system are solved.
The above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced equivalently; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. An intelligent power distribution system, comprising:
the intelligent power distribution boxes are communicated through the CAN buses, and power supply output ports of the intelligent power distribution boxes are respectively connected with different electric equipment;
the power supply output port is used for outputting currents with different magnitudes.
2. The system of claim 1, further comprising:
the intelligent distribution boxes are connected through the power bus;
the power bus is used for conveying electric energy to the intelligent distribution box.
3. The system of claim 1, further comprising:
the liquid crystal display is connected to the CAN bus;
the intelligent distribution box is used for sending the state information of the power supply output port to the liquid crystal display through the CAN bus;
the liquid crystal display is used for receiving and displaying the state information of the power supply output port.
4. The system of claim 1, wherein the system further comprises a controller configured to control the controller,
the intelligent distribution box comprises multiple paths of address wires, wherein the multiple paths of address wires comprise external wiring;
the multi-path address lines are used for determining the physical address of the intelligent distribution box.
5. The system of claim 4, further comprising:
the whole vehicle controller is communicated with the intelligent distribution box through a CAN bus;
the vehicle controller is used for generating a control instruction which is distributed to the intelligent distribution box through the CAN bus, and the control instruction comprises the physical address;
the intelligent distribution box is further used for controlling the power supply output port based on the control instruction.
6. The system of claim 5, further comprising:
the intelligent distribution boxes are connected through the external signal lines;
the external signal line is used for transmitting external signals of the vehicle to the whole vehicle controller.
7. The system of claim 5, further comprising:
the equipment switch is connected with the whole vehicle controller;
the whole vehicle controller is also used for generating the control instruction based on the signal of the equipment switch.
8. The system of claim 6, wherein the system further comprises a controller configured to control the controller,
the intelligent distribution box further comprises an external signal input port and an external signal output port;
the external signal input port is used for receiving external signals of the vehicle, and the external signal output port is used for sending the external signals of the vehicle to the whole vehicle controller through an external signal line.
9. The system of claim 8, wherein the system further comprises a controller configured to control the controller,
the vehicle exterior signal includes a switch sensor state.
10. An electric vehicle comprising a system as claimed in any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310896598.6A CN116811755A (en) | 2023-07-19 | 2023-07-19 | Intelligent power distribution system and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310896598.6A CN116811755A (en) | 2023-07-19 | 2023-07-19 | Intelligent power distribution system and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116811755A true CN116811755A (en) | 2023-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310896598.6A Pending CN116811755A (en) | 2023-07-19 | 2023-07-19 | Intelligent power distribution system and electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116811755A (en) |
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2023
- 2023-07-19 CN CN202310896598.6A patent/CN116811755A/en active Pending
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