US 2020/0403418 A1Published application

Charge and discharge circuit

AssigneeContemporary Amperex Technology Co., Limited

InventorsZhimin DAN, Jinbo CAI, Wei ZHANG, Yizhen HOU, Xiong ZHENG

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Abstract

The present application provides a charge and discharge circuit, and relates to the field of battery power. The charge and discharge circuit comprises: a charge circuit comprising a battery pack, a first switch set and a charging device connected in series; and a discharge circuit comprising the battery pack, a second switch set and an electrical device connected in series; both the first switch set and the second switch set comprise at least one switch, and the at least one switch in the first and/or second switch set is a semiconductor switch.

Claims10

Dependent claims

A charge and discharge circuit, comprising:

a charge circuit comprising a battery pack, a first switch set and a charging device connected in series, wherein the charge circuit is configured to charge the battery pack by using the charging device and pre-charge the charging device;
and
a discharge circuit comprising the battery pack, a second switch set and an electrical device connected in series, wherein the discharge circuit is configured to allow the battery pack to discharge to the electrical device and pre-charge the electrical device;
wherein both the first switch set and the second switch set include at least one switch, and all switches in the first switch set and the second switch set are semiconductor switches.

1 more element

Dependencies are inferred from the claim text.

Facts

Application: 16/978,683Filed 6 Dec 2019
Priority: CN 201811493731.97 Dec 2018
Published: 24 Dec 2020
Term ends: Not estimatedThe source records don’t support an estimate.

Classification7 codes

H02J 7/50
Circuit arrangements for charging or discharging batteries or for supplying loads from batteries: acting upon multiple batteries simultaneously or…
H02J 7/663
Including safety or protection arrangements: using battery or load disconnect circuits
H02J 7/61
Including safety or protection arrangements: against overcharge
H02J 7/63
Including safety or protection arrangements: against overdischarge

Family

US 11,652,352 B2Related patent
US 2020/0403418 A1This patent

From the US filing history. Foreign family members aren’t listed.

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