The invention discloses a rotary transformer signal stability judgment circuit, a rotary transformer circuit system and a vehicle. The rotary transformer signal stability judgment circuit comprises a sinusoidal signal processing branch, a cosine signal processing branch, an adder circuit, a low-pass filter circuit and a comparator circuit, wherein the sine signal processing branch and the cosine signal processing branch are respectively connected with the adder circuit, and the adder circuit, the low-pass filter circuit and the comparator circuit are connected in sequence. The rotary transformer signal stability judgment circuit can detect whether the output signals of the two return winding ends of the rotary transformer are in an effective signal amplitude range in real time, so that no calculation power is occupied; according to the method, the problems of various broken lines or abnormal angle output and the like possibly occurring in the use process of the rotary transformer can be effectively detected in time and accurately, the method is easy to implement, low in cost and good in real-time performance, and the load of a calculation chip in a circuit system of the rotary transformer can be effectively reduced.

    本发明公开了一种旋变信号稳定性判断电路、旋转变压器电路系统及车辆。该旋变信号稳定性判断电路包括:正弦信号处理支路、余弦信号处理支路,加法器电路、低通滤波器电路和比较器电路;其中,正弦信号处理支路和余弦信号处理支路分别与加法器电路相连,加法器电路、低通滤波器电路以及比较器电路依次相连。该旋变信号稳定性判断电路可以实时检测出旋转变压器两个返回绕组端的输出信号是否处于有效的信号幅度范围内,达到无需占用任何计算算力,即可及时、准确的对旋转变压器的使用过程中可能出现的各类断线或者角度输出异常等问题进行有效检测的效果,实现简单,成本低,实时性好,且可以有效降低旋转变压器电路系统中计算芯片的负载。


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    Title :

    Rotary transformer signal stability judgment circuit, rotary transformer circuit system and vehicle


    Additional title:

    旋变信号稳定性判断电路、旋转变压器电路系统及车辆


    Contributors:
    WANG PAN (author) / LIU XINHUA (author) / LAN PENGCHAO (author)

    Publication date :

    2025-01-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H01F MAGNETS , Magnete



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