Multi-energy source integration hybrid platform system

A hybrid and multi-energy technology, applied in general control systems, control/regulation systems, electric vehicles, etc., can solve problems such as low power density, low cost, and high cost

Active Publication Date: 2009-04-29
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Lead-acid batteries are low in cost, but have low power density and low charging efficiency; lithium batteries have good charge and discharge performance and high power density, but the cost is too high; Ni-MH batteries are in between, with relatively good charge and discharge performance, Its cost is acceptable

Method used

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Examples

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Effect test

example 1

[0117] Example 1: Multi-energy integrated hybrid platform system for a new fuel cell hybrid bus

[0118] Figure 17 Shown is the schematic diagram of the developed new fuel cell hybrid electric bus. The power system components are: fuel cell engine (FCE) and its control system (FCS), DC-DC converter (DCDC) and its control system (DCC), nickel-hydrogen battery and battery management system (BMS), drive motor assembly and Its controller (MCU), hydrogen temperature and pressure detection unit (HPS) and vehicle controller (VCU), the power system communication uses TTCAN, and the VCU control algorithm cycle is 10ms. The main parameters and vehicle performance are listed in the following table (Table 6).

[0119] Table 6 Parameters of a fuel cell series hybrid vehicle

[0120] powertrain components parameter name parameter value fuel cell engine Rated power / kW 65 Overload power / kW 88 Voltage range / V 330~450 Noise / dB 80 DCDC Rat...

example 2

[0121] Example 2: Multi-energy integrated hybrid platform system for a new diesel engine hybrid bus

[0122] Figure 18 Shown is a schematic diagram of the developed new diesel engine hybrid bus. The power system components are: diesel engine and its controller (ECU), excitation plate, rectifier, nickel-hydrogen battery and battery management system (BMS), drive motor assembly and its controller (MCU) and vehicle controller (VCU), The power system communication is the traditional CAN conforming to the J1939 protocol, and the VCU control algorithm cycle is 20ms. The main parameters and vehicle performance are listed in the table below.

[0123] Table 7 Parameters of a series diesel engine hybrid vehicle

[0124] powertrain components parameter name parameter value Diesel engines model SOFIM2.8L category High pressure common rail diesel engine Maximum torque 320N.m@1500r / m Best fuel consumption / speed 210g / kW.h@1500-1800r / m ...

example 3

[0126] Example 3: New natural gas engine hybrid bus

[0127] Figure 19 Shown is the schematic diagram of the developed new natural gas engine hybrid electric bus. The power system components are: natural gas engine and its controller (ECU), excitation plate, rectifier, nickel-hydrogen battery and battery management system (BMS), drive motor assembly and its controller (MCU), and vehicle controller (VCU) , The power system communication is the traditional CAN in line with the J1939 protocol, and the VCU control algorithm cycle is 20ms. The main parameters and vehicle performance are listed in the table below.

[0128] Table 10 Parameters of series hybrid components of a natural gas engine

[0129] powertrain components parameter name parameter value natural gas engine model 4CT Displacement (L) 5.3 Rated power (kW) / speed (r / min) 118～132 / 2300 Maximum torque (N.m) / speed (r / min) 580～680 / 1300～1500 Combustion System Spark i...

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Abstract

The invention relates to an integrated multi-energy hybrid power platform, belonging to the technical field of novel hybrid vehicle. The system comprises a power system, a whole-vehicle control system, a brake-energy feeding back system, a data collecting and displaying system and a CAN network. A power unit in the power system is connected with a power battery in parallel by a high-voltage cable, connected with a direct-current alternating-current inverter by a high-voltage relay switch and connected with a controller of the power unit by a signal wire; the whole-vehicle control system is connected with a gear signal generator by a signal wire and is connected with the CAN network by a twisted pair shielding wire; and an asynchronous alternating-current motor is connected with a speed changing box by an output shaft. The core unit of the whole-vehicle control system is a Motorola 32-bit single chip MPC5xx. The integrated multi-energy hybrid power platform can achieve the goal of changing configuration of the power unit without changing the power battery, a driving motor and the whole-vehicle controller. Properties of a hybrid passenger vehicle adopting the integrated multi-energy hybrid power platform can reach or even exceed the national standard, thereby being an advanced international standard.

Description

technical field [0001] The invention relates to a multi-energy integrated hybrid power platform system and belongs to the technical field of new hybrid power vehicles. Background technique [0002] In the face of the shortage of oil resources and serious environmental pollution, it is urgent to find new energy-powered vehicles. Hybrid electric vehicle is a research hotspot at present. [0003] The new hybrid electric vehicle power system includes power unit (PU) and power unit controller (PUC), power battery (Battery) and battery management system (BMS), asynchronous AC motor + DC-AC inverter assembly and motor controller (MCU), gearbox with shift control relay. [0004] The power unit can have different structural forms to convert energy from various forms to direct current, as shown in Table 1. [0005] Table 1 Energy mix form and APU structure [0006] energy mix form Power unit structure Gasoline + electricity Gasoline generator set + rectifier ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B15/02G05B19/418B60L15/00
Inventor 欧阳明高李建秋徐梁飞杨福源卢兰光张俊智高大威王贺武
Owner TSINGHUA UNIV
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