Portable charging system and charging method

Patent metadata

Field	Value
Publication number	US-2020086747-A1
Application number	US-201816130071-A
Country	US
Kind code	A1
Filing date	Sep 13, 2018
Priority date	Sep 13, 2018
Publication date	Mar 19, 2020
Grant date	—

Abstract

An exemplary charging system includes, among other things, a first portable charger that electrically couples to an electrified vehicle to charge a traction battery of the electrified vehicle while a second portable charger is providing electrical energy to charge the traction battery. An exemplary charging method includes, among other things, electrically coupling both a first and a second portable charger to an electrified vehicle to charge a traction battery of the electrified vehicle using electrical energy from both the first and the second portable chargers.

First claim

What is claimed is:

1 . A charging system, comprising:
a first portable charger that electrically couples to an electrified vehicle to charge a traction battery of the electrified vehicle while a second portable charger is providing electrical energy to charge the traction battery.

2 . The charging system of claim 1 , further comprising the second portable charger, the first and second portable chargers each including a storage battery and an electronic conversion module, the electronic conversion module configured to adjust parameters of electrical energy received from the respective storage battery to provide adjusted electrical energy that charges the traction battery.

3 . The charging system of claim 2 , wherein the storage batteries of the first and second portable chargers are connected in parallel when charging the traction battery.

4 . The charging system of claim 2 , wherein electrical energy output from the electronic conversion modules is connected in parallel when charging the traction battery.

5 . The charging system of claim 4 , further comprising a controller module of the first portable charger that controls electrical energy output from the electronic conversion module of the second portable charger.

6 . The charging system of claim 5 , wherein the controller module of the first portable charger is configured to adjust a current of the electrical energy output from the electronic conversion module of the second portable charger.

7 . The charging system of claim 2 , wherein the storage batteries of the first and second portable chargers are connected in parallel when charging the traction battery, wherein electrical energy output from the electronic conversion modules is combined in parallel when charging the traction battery.

8 . The charging system of claim 2 , wherein electrical energy output from the electronic conversion modules is connected in series when charging the traction battery.

9 . The charging system of claim 1 , further comprising the second portable charger, wherein the first and second portable chargers are interconnected to each other when charging the traction battery.

10 . The charging system of claim 1 , further comprising the second portable charger and at least one third portable charger, the first portable charger configured to electrically couple to the electrified vehicle to charge the traction battery while the second portable charger is providing electrical energy to charge the traction battery, and while the at least one third portable charger is also providing electrical energy to charge the traction battery.

11 . The charging system of claim 1 , wherein the electrified vehicle is a first electrified vehicle and the first portable charger is configured to electrically couple to both the first electrified vehicle and a second electrified vehicle to charge traction batteries of the first and second electrified vehicles simultaneously.

12 . The charging system of claim 1 , wherein the first portable charger is configured to feed electrical energy to an electrical grid.

13 . A charging method, comprising:
electrically coupling both a first and a second portable charger to an electrified vehicle to charge a traction battery of the electrified vehicle using electrical energy from both the first and the second portable chargers.

14 . The charging method of claim 13 , further comprising receiving electrical energy from a storage battery of the first portable charger and using an electronic conversion module of the first portable charger to provide adjusted electrical energy that is used to charge the traction battery of the electrified vehicle, and receiving electrical energy from a storage battery of the second portable charger and using an electronic conversion module of the second portable charger to provide adjusted electrical energy that is used to charge the traction battery of the electrified vehicle.

15 . The charging method of claim 14 , further comprising connecting storage batteries of the first and second portable chargers in parallel when charging the traction battery.

16 . The charging method of claim 14 , further comprising connecting electrical energy output from an electronic conversion module of the first portable charger in parallel with electrical energy output from an electronic conversion module of the second portable charger when charging the traction battery.

17 . The charging method of claim 16 , further comprising controlling parameters of the electrical energy output from the electronic conversion module of the second portable charger using a controller module of the first portable charger.

18 . The charging method of claim 17 , wherein the controller module of the first portable charger is configured to adjust a current of the electrical energy output from the electronic conversion module of the second portable charger.

19 . The charging method of claim 14 , further comprising connecting storage batteries of the first and second portable chargers in parallel when charging the traction battery, and further comprising connecting electrical energy output from an electronic conversion module of the first portable charger in parallel with electrical energy output from an electronic conversion module of the second portable charger when charging the traction battery.

20 . The charging method of claim 14 , further comprising connecting electrical energy output from an electronic conversion module of the first portable charger in series with electrical energy output from an electronic conversion module of the second portable charger when charging the traction battery.

Assignees

• Ford Global Tech Llc

Inventors

• Bhat Krishna Prasad
• Degner Michael W
• Gale Allan Roy
• Zou Ke
• Lu Xi

Classifications

• B60L53/67

  Controlling two or more charging stations · CPC title

• B60L53/57

  Charging stations without connection to power networks · CPC title

• B60L53/14

  Conductive energy transfer · CPC title

• B60L53/30 Primary

  Constructional details of charging stations · CPC title

• B60L53/22

  Constructional details or arrangements of charging converters specially adapted for charging electric vehicles · CPC title