Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Integrated control device for fuel cell vehicle and overcurrent protection control method

A fuel cell vehicle, integrated control technology, applied in battery/fuel cell control devices, control devices, power consumption devices, etc., can solve the problems of hidden safety hazards, energy waste, low integration, etc., and achieve convenient later maintenance and debugging, cost reduction effect

Active Publication Date: 2020-05-22
YANGZHOU YAXING MOTOR COACH
View PDF14 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art, and provide an integrated control device for fuel cell vehicles and an overcurrent protection control method, which are used to solve the problem that the traditional four-in-one integrated control device is not highly integrated and has potential safety hazards and energy waste

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Integrated control device for fuel cell vehicle and overcurrent protection control method
  • Integrated control device for fuel cell vehicle and overcurrent protection control method
  • Integrated control device for fuel cell vehicle and overcurrent protection control method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] Such as figure 1 As shown, an integrated control device for a fuel cell vehicle provided by the present invention, hereinafter referred to as the control device, is used to connect to the output terminal of the power battery on the vehicle to assist in controlling the power output control of the power battery and transmit it to the whole Each required electrical interface on the vehicle, the specific control device includes the control board and the first and second circuits connected to the control board. The first circuit is used to control the air conditioner output and DC / DC power distribution output on the vehicle. The second The secondary circuit is used to control the power distribution output of other high-voltage devices on the vehicle. Through the dual circuit connected to the control board, when the power battery connected to the control device is charged, only the vehicle air conditioner and DC / DC power distribution output is realized. Because , the current ...

Embodiment 2

[0044] On the basis of Example 1, the first loop includes a first DC / DC converter, a second DC / DC converter, and an air conditioner interface, wherein the first DC / DC converter is a 3KW DC / DC converter, and the second The DC / DC converter is a 6KW DC / DC converter. The first DC / DC converter and the second DC / DC converter are connected to the control board, and the control signal is transmitted to the first DC / DC converter and the second DC / DC converter through the control board. Two DC / DC converters, the first DC / DC converter is used to connect the low-voltage power distribution system of the vehicle, the low-voltage power distribution system is the battery and the low-voltage devices on the vehicle connected to the battery, and the second DC / DC converter is used for Connected to the fuel cell cooling system, by setting two DC / DC converters, compared with the DC / DC conversion output of the previous four-in-one control device, one more DC / DC converter is provided to avoid the need...

Embodiment 3

[0052] Based on the control device in Embodiment 2, this embodiment also discloses a fuel cell vehicle overcurrent protection control method, the flow chart is as follows image 3 As shown, the current of the external load motor is collected in real time through the air pump current acquisition module connected to the CPU. In this embodiment, the load motor is an air pump motor to realize the overcurrent protection control of the external air pump. The specific model of the air pump current acquisition module is The DC shunt of FL-2 has a collection period of 40ms. Within one collection period, the following steps are specifically performed:

[0053] S1. Preset the first current threshold to be 150% of the rated current of the air pump motor, the second current threshold to be 200% of the rated current of the air pump motor, the first time threshold to be 30S and the second time threshold to be 5S;

[0054] S2, collect the current value of the external air pump motor through t...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention belongs to the technical field of integrated control devices for vehicles, and particularly relates to an integrated control device for a fuel cell vehicle and an overcurrent protectioncontrol method. Specifically, the control device comprises a control main board, a first loop and a second loop, the first loop and the second loop are both connected with the control main board, thefirst loop is used for controlling air conditioner output and DC / DC power distribution output on the whole vehicle, and the second loop is used for controlling power distribution output of other high-voltage devices on the whole vehicle. The invention aims to solve the problem that a traditional four-in-one integrated control device is not high in integration degree and has potential safety hazards and energy waste. Through the first loop and the second loop which are connected with the control main board, the power distribution requirements of a fuel cell bus in the driving state and the charging state are met, high integration is achieved, the cost is reduced, and high efficiency, power saving and safety are achieved. Meanwhile, through an oil pump temperature acquisition module and an air pump current acquisition module which are connected with a CPU, the whole device has oil pump motor overheating protection and air pump motor overcurrent protection functions, and is reliable and worry-saving.

Description

technical field [0001] The invention belongs to the technical field of integrated control devices for vehicles, and in particular relates to an integrated control device for fuel cell vehicles and an overcurrent protection control method. Background technique [0002] Hydrogen fuel vehicles (FCV) are in a period of accelerated development, and more and more hydrogen fuel vehicles will be put into use. And the protection function is not comprehensive. At present, most fuel cell buses are based on the four-in-one integrated controller of electric buses, and additional PDU, DC / DC and high-voltage connection lines are added, which has potential safety hazards, low reliability, and high cost. Moreover, the performance of power batteries is sensitive to temperature changes. In order to avoid short circuit and high temperature thermal runaway caused by low-temperature charging and lithium deposition, power batteries are now cooled by water cooling; however, due to layout space and...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): B60L1/00B60L3/00B60L58/30B60L58/33
CPCB60L1/00B60L3/00B60L58/30B60L58/33B60L2240/545Y02T10/72Y02T90/40
Inventor 周广波潘永昌周梦来
Owner YANGZHOU YAXING MOTOR COACH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com