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Electric vehicle fast charging method and device combining supercapacitor and storage battery

A super capacitor, electric vehicle technology, applied in battery circuit devices, electric vehicles, circuit devices, etc., can solve the problems of low charging efficiency and inconvenient charging, and achieve large, fast, and large-capacity storage. Effect

Active Publication Date: 2016-06-15
程畅栋
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The object of the present invention is to propose a new fast charging method and device for an electric vehicle, aiming at the problems of low charging efficiency and inconvenient charging of the existing electric vehicle, which can enable the electric vehicle to be quickly charged from The peripheral power supply obtains electric energy, and uses the characteristics of the super capacitor to charge the battery module through intelligent management, especially the charging of the battery by the super capacitor during the driving of the electric vehicle

Method used

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  • Electric vehicle fast charging method and device combining supercapacitor and storage battery

Examples

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Embodiment 1

[0030] by attaching figure 1 It can be seen that the present invention is a fast charging energy storage system device for an electric vehicle. A fast charging energy storage system is provided in the electric vehicle. The fast charging energy storage system is a composite energy storage system, and the composite energy storage system includes a supercapacitor 1 and a storage battery. 2. The supercapacitor 1 and the battery 2 are connected in parallel in the circuit of the energy storage system, and the battery 2 is composed of three battery modules 6 connected in series, and each battery module 6 can be composed of several battery cells connected in parallel or in series; A rectifier 4 is connected in parallel next to the supercapacitor 1, and the supercapacitor 1 is wired or wirelessly connected to the peripheral power supply 3 through the rectifier 4 during the short stay of the electric vehicle; The supercapacitor 1 obtains electric energy through the connection with the p...

Embodiment 2

[0036] The principle of the second embodiment is the same as that of the first embodiment, except that the driving motor or the electrical equipment is powered by two battery modules, one of the two battery modules supplies power for the driving motor or the electrical equipment, and the other is powered by the super The capacitor charges it; the peripheral connections of the two battery modules are controlled by switches Km1, Km2, Km3, Km4, and Km5, among which Km1 and Km2 are power supply connection switches for electrical equipment (or electric vehicles), and Km1 Km3 and Km2 are respectively connected to the incoming and outgoing lines of the battery module. Km3 is the power supply isolation switch for the battery module m. The supercapacitor charges and connects the battery module m, and Km4 and Km5 are respectively connected to the incoming and outgoing lines connecting the supercapacitor and the battery module m.

[0037] It can be seen from the above embodiments that th...

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Abstract

The invention discloses a super capacitor and storage battery combined electromobile quick charging method and device. A combined energy storage system with a super capacitor and a storage battery combined is adopted, and during short delay of running of an electromobile, the combined energy storage system is connected with a peripheral power supply in a contact mode and a non-contact mode, and the super capacitor in the combined energy storage system quickly acquires electric energy from the peripheral power supply; after the combined energy storage system is disconnected from the peripheral power supply, the super capacitor in the combined energy storage system transmits the electric energy obtained in a short time to the storage battery in the combined energy storage system; after a number of times of short-time connection and disconnection happen between the super capacitor in the combined energy storage system and the peripheral power supply, the combined energy storage system can quickly store a large capacity of the electric energy, and accordingly the electromobile can be quickly charged in a large capacity during the driving process. The method and device can be applied to other similar mobile electrical products and devices.

Description

technical field [0001] The invention relates to a charging method and device for an electric vehicle, in particular to a fast charging method and device for an electric vehicle based on the combination of a supercapacitor and a battery; Applicable to other mobile power products and equipment. Background technique [0002] As a kind of new energy vehicles, electric vehicles have been recognized by many countries due to their environmental protection, alternative to petroleum, and diversified sources of electric energy. At present, the significance, necessity and urgency of developing electric vehicles have been A consensus was reached; however, there are still many bottlenecks in the development of electric vehicles, among which the charging and swapping time is too long and the charging and swapping facilities are not perfect. According to the interview, the importance of charging technology and its infrastructure construction ranks the second among many influencing factors...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/34
Inventor 程畅栋王庆召韩云杰黄豪邓晖
Owner 程畅栋
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