Temperature control circuit and method and charging system

A temperature control method and temperature control technology, applied in the direction of temperature control, circuit devices, battery circuit devices, etc., using electric methods, can solve the problems of low charging efficiency and inability to flexibly adjust the output power of the charging system, etc.

Active Publication Date: 2014-01-15
AOTU ELECTRONICS WUHAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the above methods cannot flexibly adjust the output power of the charging system, resulting in low charging efficiency

Method used

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  • Temperature control circuit and method and charging system
  • Temperature control circuit and method and charging system
  • Temperature control circuit and method and charging system

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Embodiment Construction

[0032] Detailed reference will be given below to examples of the present invention. Although the present invention has been illustrated and illustrated by these embodiments, it should be noted that the present invention is not limited to these embodiments. On the contrary, the invention covers all alternatives, modifications and equivalents which are within the spirit and scope of the invention as defined by the appended claims.

[0033] In addition, in order to better illustrate the present invention, numerous specific details are given in the specific embodiments below. It will be understood by those skilled in the art that the present invention may be practiced without these specific details. In other instances, well-known methods, procedures, components and circuits have not been described in detail so as not to obscure the gist of the present invention.

[0034] figure 1 Shown is a block diagram of a charging system 100 according to one embodiment of the present invent...

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Abstract

The invention discloses a temperature control circuit and method and a charging system. The temperature control circuit comprises a judging unit, a calculating unit and a setting unit, wherein the judging unit is used for receiving the temperature value from a sensor and respectively comparing the temperature value with a thermal balance threshold value temperature, a maximum using temperature and a recovering temperature to obtain a corresponding judging result; the calculating unit is coupled with the calculating unit and is used for calculating the output power according to the judging result in real time; the setting unit is coupled with the calculating unit and is used for producing a voltage setting value corresponding to the output power and a current setting value corresponding to the output power and supplying the voltage setting value and the current setting value to a power module. According to the temperature control circuit and method and the charging system, the output power of the charging system can be adjusted flexibly, and therefore the charging efficiency is improved, and overheating of the charging system is avoided.

Description

technical field [0001] The invention relates to a control circuit, in particular to a temperature control circuit, method and charging system. Background technique [0002] Charging systems (e.g. electric vehicle chargers), especially sealed charging systems without fans, can be damaged in the event of overheating. Therefore, when designing a charging system, it is necessary to consider the charging efficiency of the charging system and the balance between heat generation and heat dissipation. The traditional temperature control methods of the charging system are mainly divided into two types: a temperature switch control method and a segmented threshold control method. The temperature switch control method utilizes a switch coupled between a power module and a temperature sensor to control the temperature of the charging system. When the temperature sensor indicates that the temperature of the charging system reaches the over-temperature threshold, the power module of the...

Claims

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Application Information

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IPC IPC(8): G05D23/19H02J7/00
CPCY02E60/10
Inventor 张涛潘晓露
Owner AOTU ELECTRONICS WUHAN
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