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Battery charging based on cost and life

A battery charging and charging circuit technology, applied in battery circuit devices, electric vehicle charging technology, charging stations, etc., can solve the problems of expensive battery charging and damaged batteries

Active Publication Date: 2012-09-26
TESLA INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Charging the battery of an electric vehicle is expensive and can damage the battery if not done correctly

Method used

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  • Battery charging based on cost and life
  • Battery charging based on cost and life
  • Battery charging based on cost and life

Examples

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Embodiment Construction

[0026] In the following description, reference is made to the accompanying drawings, which form a part hereof and which show by way of illustration specific embodiments that may be practiced. These embodiments were described in sufficient detail to enable those skilled in the art to practice the invention, and it is to be understood that other embodiments may be utilized and structural, logical, and electrical modifications may be made without departing from the scope of the invention. Revise. Accordingly, the following description of example embodiments should not be taken in a limiting sense, and the scope of the invention is defined by the appended claims.

[0027] The present subject matter provides systems and methods for charging a vehicle's battery in a context-appropriate manner. For example, somewhere in the world, electricity is less expensive during certain time periods. For example, electricity may be less expensive at night because less energy is consumed due to...

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Abstract

One embodiment of the present subject matter includes a system that includes a battery, an electric vehicle, the battery coupled to the electric vehicle to propel the electric vehicle, and a charging circuit to charge the battery. The embodiment includes a charging cost circuit to estimate a charging cost rate and to turn on the charging circuit. The embodiment also includes a timer circuit to provide a time signal to the charging cost circuit. The embodiment is configured such that the charging cost circuit is to turn on the charging circuit during a first time period (702) in which the charging cost rate is below a first threshold until the battery reaches a first energy stored level (710), and to turn on the charging circuit during a second time period (704) in which the charging cost rate is above the first threshold.

Description

technical field [0001] The invention relates to a battery charging system and a battery charging method. Background technique [0002] Charging the battery of an electric vehicle is expensive and can damage the battery if not done correctly. What is needed are systems and methods that reduce the cost of battery charging while reducing battery damage. Contents of the invention [0003] According to one aspect of the present invention, there is provided a method of using a battery charging system to charge a battery in an electric vehicle, the method comprising the steps of: [0004] determining a charging cost rate, wherein the charging cost rate is determined as a function of time; [0005] determining a charging schedule comprising at least a first time period and a second time period, wherein the first time period precedes the second time period, and wherein a charging stop time is predicted to occur within the second time period ; [0006] commencing battery chargin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60L11/18H02J7/00
CPCY04S10/126B60L3/0092Y02T10/7044Y04S50/14G06Q30/0284B60L11/1816Y02T90/14Y02T90/121Y02T90/163Y02E60/721Y04S30/14B60L2250/10Y02T10/7005B60L11/184H02J7/0073Y02T10/705G06Q50/06Y02T10/7088Y02T90/169B60L11/1861B60L2230/16B60L11/1842Y02T90/128B60L53/14B60L53/64B60L55/00B60L53/305H02J7/0071Y02E60/00Y02T10/70Y02T10/7072Y02T90/12Y02T90/167Y02T90/16
Inventor 库尔特·拉塞尔·凯利尤金·迈克尔·贝蒂察夫斯基
Owner TESLA INC