Automatic series and parallel changing equalizing charger for electric vehicle accumulator

A technology of balanced charging and storage battery, which is applied in battery circuit devices, secondary battery charging/discharging, electric vehicles, etc., to achieve the effects of safety, obvious economic benefits, and significant promotion and application value

Inactive Publication Date: 2007-10-10
包宣平
View PDF0 Cites 16 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide an ideal charging device to solve the charging problem of the battery of the electric vehicle mentioned above. It can ensure that when the electric vehicle is running, the state of the original batteries connected in series in the battery pack remains unchanged, and it will never affect the charging of the electric vehicle. When charging, as long as the charging plug of the charger is inserted into the charging socket of the electric vehicle for charging, the batteries of the battery pack will immediately switch from the original series connection to the parallel connection state.

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
  • Automatic series and parallel changing equalizing charger for electric vehicle accumulator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0010] Referring to Fig. 1, a fully automatic series-parallel conversion equalizing charging device for electric vehicle batteries, which includes a charging socket 3, a charger 1, a charging plug 2, batteries E1...En+1, batteries E1...En+1 connected in series, and it also Including the converter, the converter is composed of DC relays J1...Jn, the number of DC relays J1...Jn is one less than that of the battery E1...En+1, and the DC relays J1...Jn have double sets of normally open and normally closed contacts, charging plugs 2 Built-in connecting wires, the DC relay wire pack J is powered by the charging plug 2 built-in connecting wires, and the DC relays J1...Jn are connected after being energized, so that the batteries E1...En+1 are switched from mutual series to parallel state.

[0011] In terms of circuit design, the present invention can automatically complete the circuit conversion function only by switching the double sets of normally open and normally closed contacts o...

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 charging device includes charging socket, charger, charging plug, accumulators connected to each other in series. The charging device also includes convertor composed of DC relays. Number of DC relay is less than one of the numbers of accumulators. The DC relays possess dual sets of normal open and normal close contacts. Connection wire is built in the charging plug. Through connection wire built in the charging plug, winding in DC relay obtains power. When being electrified, relays attract accumulators so as to convert series connection to parallel connection. Features are: compact circuit design, very few electronic parts and components, safety and reliable so as to prolong service life of accumulators in use for electric motor cars more than one time.

Description

Technical field: [0001] The invention relates to a charging device, in particular to a charging device for an electric vehicle. Background technique: [0002] Electric vehicles powered by power batteries are considered to be a green project in the 21st century, and their appearance has brought the development of the automobile industry into a new field. At present, my country's electric vehicle industry is booming at an unprecedented speed. However, the service life of electric vehicle batteries is too short (usually half a year to one year), which seriously hinders this development like a roadblock, and causes a great waste of manpower and material resources at the same time. The reason is that the battery is usually not used up, but charged by the charger. The most important reason is the fundamental defect in the charging technology of electric vehicles, which prevents the batteries from being charged in a balanced manner, resulting in some "undercharging" and some "ove...

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): H02J7/00H01M10/44
CPCY02E60/10
Inventor 包宣平
Owner 包宣平
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap