Device and method for estimating generating capacity of vehicle-mounted solar battery

A solar cell and estimation device technology, applied in photovoltaic power generation, electrical components, photovoltaic modules, etc., can solve the problems of repeated power-on and power-off of power batteries, unrealistic, repeated wake-up of the vehicle controller, etc., and achieve accurate estimation and reasonable structure. Effect

Active Publication Date: 2016-05-04
IAT AUTOMOBILE TECH
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

This method requires the entire system to run. When used in electric vehicles, it will cause the power battery ...

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  • Device and method for estimating generating capacity of vehicle-mounted solar battery
  • Device and method for estimating generating capacity of vehicle-mounted solar battery

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Embodiment 1

[0025] Such as Figure 1~2 As shown, the present invention of this embodiment proposes a vehicle-mounted solar battery power generation estimation device, which is characterized in that it is provided with a maximum power point following controller MPPT1, a power battery mechanism 2 of an electric vehicle, and a vehicle controller VCU3 of an electric vehicle. The power battery mechanism 2 of the electric vehicle includes the power battery pack and the battery management mechanism BMS connected with the power battery pack, the electric vehicle vehicle controller VCU3 is connected with the battery management mechanism BMS through the CAN bus, and the maximum power point follower MPPT1 is connected with the battery management mechanism BMS. The 4 solar cells to be estimated are connected, and the control signal input terminal of the maximum power point follower MPPT is connected with the vehicle controller VCU3 of the electric vehicle. In this embodiment, the solar cell to be eva...

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Abstract

The invention relates to a device and a method for estimating generating capacity of a vehicle-mounted solar battery, belonging to the technical field of electric vehicle power supply. The device for estimating the generating capacity of the vehicle-mounted solar battery disclosed by the invention comprises a maximum power point tracking controller MPPT, an electric vehicle power battery system and an electric vehicle control unit VCU, wherein the electric vehicle power battery system comprises a power battery pack and a battery management system BMS which is connected with the power battery pack; the electric vehicle control unit VCU is connected with the battery management system BMS via a CAN (Controller Area Network) bus; the maximum power point tracking controller MPPT is connected with a to-be-estimated solar battery; and the control signal input end of the maximum power point tracking controller MPPT is connected with the electric vehicle control unit VCU. According to the device disclosed by the invention, the structure is reasonable, the estimation is accurate, and the solar generating capacity can be detected under the condition that the battery is off-line; and when enough generating capacity is detected, the electric vehicle control unit and the BMS are restarted and waken up.

Description

technical field [0001] The invention relates to the technical field of electric vehicle power supply, in particular to a device and method for estimating the power generation of a vehicle-mounted solar battery with reasonable structure, low energy consumption, accurate estimation, and the ability to effectively use the solar battery to provide power for the vehicle. Background technique [0002] With the development of electric vehicles, solar power generation is also applied to electric vehicles. Current technology can integrate solar panels into the roof material, and use solar energy to convert electricity to provide kinetic energy for electric vehicles. However, the amount of solar power generation is directly related to the environment. In the current environment, when the power generation capacity is smaller than the self-consumption of the battery management system and MPPT itself, it is uneconomical to start power generation. Therefore, it is necessary to start the p...

Claims

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Application Information

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IPC IPC(8): H02S20/32H02S50/00
CPCH02S20/00H02S50/00Y02E10/50
Inventor 黄超陈路
Owner IAT AUTOMOBILE TECH
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