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Motor rotor temperature measurement system used in field of flywheel energy storage

A motor rotor and flywheel energy storage technology, applied in the direction of electrical components, electromechanical devices, electric components, etc., can solve problems such as unfavorable system structure, motor stator failure, etc., to achieve a space-saving, easy to install and use, high reliability Effect

Inactive Publication Date: 2021-09-28
坎德拉(深圳)新能源科技有限公司
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  • Application Information

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Problems solved by technology

In the prior art, the principle of infrared reflection is usually used to detect the rotor temperature with an infrared temperature sensor. However, this detection method is prone to failure due to heat reflection and electromagnetic interference of the motor stator, and there are requirements for the surface quality of the rotor end face and the installation and fixing position. Not conducive to the layout of the system structure

Method used

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  • Motor rotor temperature measurement system used in field of flywheel energy storage
  • Motor rotor temperature measurement system used in field of flywheel energy storage
  • Motor rotor temperature measurement system used in field of flywheel energy storage

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Embodiment Construction

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0022] see Figure 1-Figure 4 Shown: the present invention provides the following technical solutions: a motor rotor temperature measurement system used in the field of flywheel energy storage, including a flywheel energy storage device, a controller 7 located outside the flywheel energy storage device and a controller 7 located inside the flywheel energy storage device The temperature sensing device 4; the flywheel energy storage device includes the motor rot...

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Abstract

The invention relates to the technical field of flywheel energy storage devices, and particularly discloses a motor rotor temperature measurement system used in the field of flywheel energy storage. The system comprises a flywheel energy storage device, a controller arranged outside the flywheel energy storage device and a temperature sensing device arranged inside the flywheel energy storage device, wherein the flywheel energy storage device comprises a motor rotor, and the temperature sensing device comprises a sensing module, a temperature measuring module and a signal processing module. Power generation and signal modulation are carried out on the rotating part of the flywheel energy storage device by adopting an electromagnetic induction principle, and direct measurement is carried out through a thermistor, so that high reliability of a motor rotor temperature measurement system can be realized, the effects of strong heat reflection interference resistance of other heat sources and strong electromagnetic radiation interference resistance are achieved, and then accurate and rapid measurement of the temperature of the motor rotor is realized.

Description

technical field [0001] The invention belongs to the technical field of flywheel energy storage devices, and in particular relates to a motor rotor temperature measurement system used in the field of flywheel energy storage. Background technique [0002] The motor rotor of the flywheel energy storage device runs in a vacuum environment, and it is extremely difficult to dissipate heat from the rotor. It is necessary to monitor the rotor temperature in real time to prevent the permanent magnet from exceeding the limit operating temperature, causing loss of magnetism and causing system safety accidents. In the prior art, the principle of infrared reflection is usually used to detect the rotor temperature with an infrared temperature sensor. However, this detection method is prone to failure due to heat reflection and electromagnetic interference of the motor stator, and there are requirements for the surface quality of the rotor end face and the installation and fixing position. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K11/25H02K7/02H02K11/02
CPCH02K11/25H02K7/025H02K11/02Y02E60/16
Inventor 刘李林贺智威刘东柳哲鄢秋亮
Owner 坎德拉(深圳)新能源科技有限公司
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