Temperature sensor and multiphase electric machine
By setting multiple temperature probes in the temperature sensor to correspond one-to-one with the coil, the hysteresis problem of the temperature sensor in the permanent magnet synchronous motor is solved, and real-time temperature monitoring and protection of the coil is realized.
CN224353947UActive Publication Date: 2026-06-12SHENZHEN XUANJI POWER TECHNOLOGY CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN XUANJI POWER TECHNOLOGY CO LTD
- Filing Date
- 2025-08-12
- Publication Date
- 2026-06-12
AI Technical Summary
Technical Problem
The temperature sensors of existing permanent magnet synchronous motors have a temperature measurement lag, which means that the motor winding coils are damaged when the temperature is abnormal.
Method used
A temperature sensing component is set in the temperature sensor, including multiple temperature probes connected in series, which respectively sense the temperature of multiple coils, and are connected to the power supply module through the first and second output pins to realize real-time temperature monitoring.
Benefits of technology
It enables timely temperature sensing of each coil, avoids temperature detection lag, protects the motor in a timely manner, and prevents irreversible damage.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224353947U_ABST
Abstract
This utility model discloses a temperature sensor and a multiphase motor, relating to the field of multiphase motor technology. The temperature sensor is used in a multiphase motor with multiple coils. The temperature sensor includes a temperature measuring component, a first output pin, and a second output pin. The temperature measuring component has multiple temperature probes connected in series, each probe corresponding to one of the multiple coils to sense their temperature. The temperature measuring component is connected to a power supply module via the first and second output pins. The technical solution provided by this utility model, by incorporating a temperature measuring component with multiple temperature probes connected in series and each probe corresponding to one of the multiple coils in the motor, enables the temperature sensor on each coil to promptly sense the temperature of each coil, avoiding the problem of temperature detection lag.
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