Charger extension cable for electric car

• US 9,744,867 B1
• Filed: 03/21/2017
• Issued: 08/29/2017
• Est. Priority Date: 09/08/2016
• Status: Active Grant

• Current Assignee: Leading Stand
• Original Assignee: Leading Stand
• Inventors: Shen, A-Ching
• Primary Examiner(s): Nguyen, Khiem
• Application Number:
  US15/465,153
• Time in Patent Office: 161 Days
• Field of Search: 439502-507, 43962008, 43962021, 43962022, 43962026
• CPC Class Codes: B60L 53/16 Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
• CPC Class Codes: H01R 13/6683 with built-in sensor
• CPC Class Codes: H01R 13/713 the switch being a safety switch
• CPC Class Codes: H01R 2201/26 for vehicles
• CPC Class Codes: H01R 31/065 with built-in electric apparatus
• CPC Class Codes: H02J 7/0042 characterised by the mechanical construction
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y02T 90/14 Plug-in electric vehicles

Abstract

A charger extension cable for an electric car is connected with a home circuit and a charging gun of the electric car, and the charger extension cable contains: a body. A plug connects with a home circuit, and the plug connects with an electromagnetic protection switch via a first extension part, wherein an output end of the electromagnetic protection switch connects with a measuring meter, and an output end of the measuring meter couples with a first socket via a second extension part, the first socket is applied to connect with the charging gun.

Claims

1. A charger extension cable for an electric car being connected with a home circuit and a charging gun of the electric car, and the charger extension cable comprises:

a body including

a plug connecting with a home circuit, and the plug connecting with an electromagnetic protection switch via a first extension part, wherein an output end of the electromagnetic protection switch connects with a measuring meter, and an output end of the measuring meter couples with a first socket via a second extension part, the first socket is applied to connect with the charging gun.

2. The charger extension cable as claimed in claim 1 further comprising a circuit connector, and the circuit connecter including an input terminal and a second socket, wherein the input terminal connects with an output end of an electricity meter in the home circuit, the second socket accommodates the plug of the body.

3. The charger extension cable as claimed in claim 1 further comprises a protection case in which the electromagnetic protection switch and the measuring meter are housed, and the protection case has an accommodation cavity configured to accommodate the first extension part and the second extension part.

4. The charger extension cable as claimed in claim 1, wherein the first socket has an insulation cover arranged thereon.