Cable assembly and vehicle charging system

Patent metadata

Field	Value
Publication number	US-12240344-B2
Application number	US-202017629931-A
Country	US
Kind code	B2
Filing date	Jul 30, 2020
Priority date	Jul 31, 2019
Publication date	Mar 4, 2025
Grant date	Mar 4, 2025

Abstract

The present disclosure relates to the technical field of vehicles, and provides a cable assembly and a vehicle charging system. The cable assembly includes: a power supply plug, adapted to a discharging outlet of a discharging vehicle; a charging plug, adapted to a charging outlet of a to-be-charged vehicle; and a cable, connected between the power supply plug and the charging plug.

First claim

What is claimed is:

1. A cable assembly, comprising:
a power supply plug, adapted to a discharging outlet of a discharging vehicle;
a charging plug, adapted to a charging outlet of a to-be-charged vehicle; and
a cable, connected between the power supply plug and the charging plug,
wherein the power supply plug comprises a resistor R 2 , a resistor R 3 , and a switch S, one end of the resistor R 3 is connected directly to a PE pin of the power supply plug, another end of the resistor R 3 is connected to one end of the resistor R 2 , another end of the resistor R 2 is connected directly to a CC1 pin of the power supply plug, and the switch S is connected in parallel to the resistor R 2 .

2. The cable assembly according to claim 1 , wherein the cable comprises a connecting harness, and the connecting harness comprises a DC+ line, a DC− line, a PE line, a CANH line, a CANL line, an A+ line, and an A− line.

3. The cable assembly according to claim 2 , wherein
each of the power supply plug and the charging plug comprises 8 pins,
the power supply plug comprises a DC+ pin, a DC− pin, the PE pin, a CANH pin, a CANL pin, an A+ pin, an A− pin, and the CC1 pin, and
the charging plug comprises a DC+ pin, a DC− pin, a PE pin, a CANH pin, a CANL pin, an A+ pin, an A− pin, and a CC2 pin,
wherein the DC+ pin, the DC− pin, the PE pin, the CANH pin, the CANL pin, the A+ pin, and the A− pin of each of the power supply plug and the charging plug are respectively and correspondingly connected to the DC+ line, the DC− line, the PE line, the CANH line, the CANL line, the A+ line, and the A− line.

4. The cable assembly according to claim 1 , wherein the charging plug comprises a resistor R 5 ′, one end of the resistor R 5 ′ is connected directly to the PE pin of the charging plug, and another end of the resistor R 5 ′ is connected directly to a CC2 pin of the charging plug.

5. The cable assembly according to claim 4 , wherein a power supply identifier is disposed on the power supply plug, and/or a charging identifier is disposed on the charging plug.

6. The cable assembly according to claim 2 ,
wherein the power supply plug and the charging plug have a same structure, and each of the power supply plug and the charging plug comprises 9 pins including: a DC+ pin, a DC− pin, the PE pin, a CANH pin, a CANL pin, an A+ pin, an A− pin, the CC1 pin, and a CC2 pin, and
wherein the DC+ pin, the DC− pin, the PE pin, the CANH pin, the CANL pin, the A+ pin, and the A− pin are respectively and correspondingly connected to the DC+ line, the DC− line, the PE line, the CANH line, the CANL line, the A+ line, and the A− line.

7. A cable assembly according to claim 6 , comprising:
a power supply plug, adapted to a discharging outlet of a discharging vehicle;
a charging plug, adapted to a charging outlet of a to-be-charged vehicle; and
a cable, connected between the power supply plug and the charging plug,
wherein the power supply plug comprises a resistor R 2 , a resistor R 3 , a switch S, and a resistor R 5 , one end of the resistor R 3 is connected directly to a PE pin of the power supply plug, another end of the resistor R 3 is connected to one end of the resistor R 2 , another end of the resistor R 2 is connected directly to a CC1 pin of the power supply plug, the switch S is connected in parallel to the resistor R 2 , one end of the resistor R 5 is connected directly to the PE pin of the power supply plug, and another end of the resistor R 5 is connected directly to a CC2 pin of the power supply plug.

8. The cable assembly according to claim 7 , wherein the charging plug comprises a resistor R 2 ′, a resistor R 3 ′, a switch S′, and a resistor R 5 ′, one end of the resistor R 3 ′ is connected directly to a PE pin of the charging plug, another end of the resistor R 3 ′ is connected to one end of the resistor R 2 ′, another end of the resistor R 2 ′ is connected directly to a CC1 pin of the charging plug, the switch S′ is connected in parallel to the resistor R 2 ′, one end of the resistor R 5 ′ is connected directly to the PE pin of the charging plug, and another end of the resistor R 5 ′ is connected directly to a CC2 pin of the charging plug.

9. A vehicle charging system, comprising:
a cable assembly comprising a power supply plug, a charging plug, and a cable connected between the power supply plug and the charging plug;
a discharging vehicle comprising a discharging outlet; and
a to-be-charged vehicle comprising a charging outlet;
wherein when the discharging vehicle charges the to-be-charged vehicle, the discharging outlet is adaptively connected to the power supply plug, and the charging outlet is adaptively connected to the charging plug; and
wherein the power supply plug comprises a resistor R 2 , a resistor R 3 , and a switch S, one end of the resistor R 3 is connected directly to a PE pin of the power supply plug, another end of the resistor R 3 is connected to one end of the resistor R 2 , another end of the resistor R 2 is connected directly to a CC1 pin of the power supply plug, and the switch S is connected in parallel to the resistor R 2 .

10. The vehicle charging system according to claim 9 ,
wherein each of the discharging outlet and the charging outlet comprises a DC+ jack, a DC− jack, a PE jack, a CANH jack, a CANL jack, an A+ jack, an A− jack, a CC1 jack, and a CC2 jack, and
wherein:
each of the power supply plug and the charging plug comprises 8 pins;
the DC+ jack, the DC− jack, the PE jack, the CANH jack, the CANL jack, the A+ jack, the A− jack, and the CC1 jack of the discharging outlet are respectively and correspondingly connected to a DC+ pin, a DC− pin, the PE pin, a CANH pin, a CANL pin, an A+ pin, an A− pin, and the CC1 pin of the power supply plug;
the CC2 jack of the discharging outlet is idle;
the DC+ jack, the DC− jack, the PE jack, the CANH jack, the CANL jack, the A+ jack, the A− jack, and the CC2 jack of the charging outlet are respectively and correspondingly connected to a DC+ pin, a DC-Pin, a PE pin, a CANH pin, a CANL pin, an A+ pin, an A− pin, and a CC2 pin of the charging plug; and
a CC1 jack of the charging outlet is idle.

11. The vehicle charging system according to claim 10 ,
wherein the discharging outlet further comprises a resistor R 4 , one end of the resistor R 4 is connected directly to the PE jack of the discharging outlet, another end of the resistor R 4 is connected directly to the CC1 jack of the discharging outlet, and the discharging vehicle comprises a power supply device, a discharging control device, a resistor R 1 , a resistor R 6 , a switch K 1 , a switch K 2 , a switch K 3 , a switch K 4 , and a first body ground,
wherein a first electrode of the power supply device is connected to the DC+ jack of the discharging outlet by the switch K 1 , a second electrode of the power supply device is connected to the DC− jack of the discharging outlet by the switch K 2 , the first body ground is connected to the PE jack of the discharging outlet, the discharging control device is connected to the CANH jack and the CANL jack of the discharging outlet to transmit charging and discharging data, a first electrode of an auxiliary power supply in the discharging control device is connected to the A+ jack of the discharging outlet by the switch K 3 , a second electrode of the auxiliary power supply is connected to the A− jack of the discharging outlet by the switch K 4 , one end of the resistor R 1 is connected directly to the CC1 jack of the discharging outlet to form a first detection point, another end of the resistor R 1 is connected to a first pull-up voltage, one end of the resistor R 6 is connected directly to the CC2 jack of the discharging out

Assignees

• Byd Co Ltd

Inventors

• Huang Bingjian
• Lv Hao
• Luo Hongbin
• Yang Guangming
• Zhang Xinxin

Classifications

• H02J7/865

  Battery or charger load switching, e.g. concurrent charging and load supply (H02J7/50 takes precedence) · CPC title

• H02J7/751

  concerning the insertion or the connection of the batteries · CPC title

• H02J7/47

  Arrangements for checking compatibility or authentication between one component, e.g. a battery or a battery charger, and another component, e.g. a power source · CPC title

• Y02T10/70

  Energy storage systems for electromobility, e.g. batteries · CPC title

• Y02T90/14

  Plug-in electric vehicles · CPC title