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Temperature detection circuit, temperature monitoring method and electric vehicle

A temperature detection circuit, the technology of the circuit

Pending Publication Date: 2020-12-08
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the above-mentioned technical problem that the monitored temperature data is distorted due to low precision and electromagnetic interference seriously affects the measurement accuracy, the embodiment of the present application provides a temperature detection circuit, a temperature monitoring method and an electric vehicle

Method used

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  • Temperature detection circuit, temperature monitoring method and electric vehicle
  • Temperature detection circuit, temperature monitoring method and electric vehicle
  • Temperature detection circuit, temperature monitoring method and electric vehicle

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Embodiment Construction

[0044] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, but not all of them. Based on the embodiments in the present application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present application.

[0045] figure 1 A structural block diagram of a temperature detection circuit provided for an embodiment. refer to figure 1, the temperature detection circuit includes a constant current module 100 , a temperature sensor 300 , and a processing module 500 . The constant current module 100 is electrically connected to the temperature s...

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Abstract

The invention relates to a temperature detection circuit, a temperature monitoring method and an electric vehicle. The circuit comprises a temperature sensor, a constant current module and a processing module; the constant current module is connected with the temperature sensor and used for providing constant current for the temperature sensor; the processing module is connected with the temperature sensor and is used for acquiring a temperature sampling signal of the temperature sensor and carrying out first processing on the temperature sampling signal to obtain a corresponding oil pump temperature, wherein the temperature sampling signal is determined by the resistance value and the constant current of the temperature sensor. Through the application, the influence of various interferences such as electromagnetism on the temperature measurement precision can be overcome, the data distortion is reduced, and the temperature monitoring data is more accurate.

Description

technical field [0001] The present application relates to the field of electronic circuits, in particular to a temperature detection circuit, a temperature monitoring method and an electric vehicle. Background technique [0002] The electrohydraulic steering system in electric vehicles is a steering solution that uses an electric motor instead of the engine as the power source for the steering oil pump. The oil pump motor is one of the core components in the electro-hydraulic steering system. The system works no matter whether the steering is turned or not, and when the steering is large at low speed, the oil pump motor needs to output more power to obtain a relatively large boost. Frequently exceeding the rated current or overload will cause the oil pump motor and oil temperature to rise, and the temperature rise or fall of the oil pump oil temperature determines the service life of the motor. Therefore, in the electro-hydraulic steering system, the oil pump motor driver ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K7/24B62D5/06F04B49/06F04B51/00
CPCB62D5/06F04B49/06F04B51/00G01K7/24
Inventor 游健康王瑞婷牛高产刘敏通
Owner GREE ELECTRIC APPLIANCES INC
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