CN204229632U - Strengthen the device of electromechanical transducer signal transmission antijamming capability - Google Patents
Strengthen the device of electromechanical transducer signal transmission antijamming capability Download PDFInfo
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Abstract
本实用新型公开了一种增强电机传感器传输信号抗干扰能力的装置，包括传感器信号调理装置、光纤以及光信号接收装置；传感器信号调理装置连接电机传感器，用于接收电机传感器的输出信号，并将电机传感器的输出信号转换成光信号输出；光纤的输入端连接传感器信号调理装置，输出端连接光信号接收装置，用于将从传感器信号调理装置中输出的光信号传输至光信号接收装置；光信号接收装置连接电机控制器，用于接收光纤传输的光信号，并将接收到的光信号转换成电信号，发送至电机控制器。本实用新型可大大降低长距离传输时周围传输环境等因素对传输信号的影响，增强电机传感器与电机控制器之间的传输信号的抗干扰能力。
The utility model discloses a device for enhancing the anti-interference ability of a motor sensor transmission signal, comprising a sensor signal conditioning device, an optical fiber and an optical signal receiving device; the sensor signal conditioning device is connected to a motor sensor for receiving the output signal of the motor sensor, and The output signal of the motor sensor is converted into an optical signal output; the input end of the optical fiber is connected to the sensor signal conditioning device, and the output end is connected to the optical signal receiving device, which is used to transmit the optical signal output from the sensor signal conditioning device to the optical signal receiving device; The signal receiving device is connected to the motor controller, and is used for receiving the optical signal transmitted by the optical fiber, converting the received optical signal into an electrical signal, and sending it to the motor controller. The utility model can greatly reduce the influence of factors such as the surrounding transmission environment on the transmission signal during long-distance transmission, and enhance the anti-interference ability of the transmission signal between the motor sensor and the motor controller.
Description
技术领域technical field
本实用新型涉及传感器信号传输技术领域，特别是涉及一种增强电机传感器传输信号抗干扰能力的装置。The utility model relates to the technical field of sensor signal transmission, in particular to a device for enhancing the anti-interference ability of motor sensor transmission signals.
背景技术Background technique
开关磁阻电机通常采用光电传感器、霍尔传感器、旋转编码器或绝对式编码器，这些电机传感器的输出信号一般需要经过电子电路的处理，再传输给电机控制器，或是直接将信号传输给电机控制器。电机控制器根据接收到的电机传感器信号对电机的角度位置进行计算，从而实现对电机的转速、转矩的控制。Switched reluctance motors usually use photoelectric sensors, Hall sensors, rotary encoders or absolute encoders. The output signals of these motor sensors generally need to be processed by electronic circuits, and then transmitted to the motor controller, or directly transmitted to the motor controller. Motor Controller. The motor controller calculates the angular position of the motor according to the received motor sensor signal, so as to realize the control of the speed and torque of the motor.
电机传感器传输至电机控制器的信号一般是电压信号或是电流信号，当传输距离较长时，受周围传输环境干扰比较严重，从而使电机控制器接收到的传输信号很容易受到干扰，导致电机控制器对电机的角度位置计算出现误差，从而降低电机控制器对电机的转速、转矩的控制精度，严重的情况下甚至无法使电机正常运行。The signal transmitted by the motor sensor to the motor controller is generally a voltage signal or a current signal. When the transmission distance is long, the interference from the surrounding transmission environment is more serious, so that the transmission signal received by the motor controller is easily interfered, resulting in motor failure. Errors occur in the calculation of the angular position of the motor by the controller, thereby reducing the control accuracy of the motor controller for the speed and torque of the motor, and in severe cases, the motor cannot even be operated normally.
实用新型内容Utility model content
基于此，有必要针对现有技术的缺陷和不足，提供一种增强电机传感器传输信号抗干扰能力的装置，以增强电机传感器与电机控制器之间的传输信号的抗干扰能力，确保电机控制器对电机角度位置的计算精确度，从而提升电机控制器对电机的转速、转矩的控制精度，实现电机的正常运转。Based on this, it is necessary to provide a device for enhancing the anti-interference ability of the motor sensor transmission signal to enhance the anti-interference ability of the transmission signal between the motor sensor and the motor controller to ensure that the motor controller The calculation accuracy of the angular position of the motor can improve the control accuracy of the motor controller to the speed and torque of the motor, and realize the normal operation of the motor.
为实现本实用新型目的而提供的增强电机传感器传输信号抗干扰能力的装置，包括传感器信号调理装置、光纤以及光信号接收装置；The device for enhancing the anti-interference ability of the motor sensor transmission signal provided to achieve the purpose of the utility model includes a sensor signal conditioning device, an optical fiber and an optical signal receiving device;
所述传感器信号调理装置连接电机传感器，用于接收所述电机传感器的输出信号，并将所述电机传感器的输出信号转换成光信号输出；The sensor signal conditioning device is connected to the motor sensor for receiving the output signal of the motor sensor, and converting the output signal of the motor sensor into an optical signal for output;
所述光纤的输入端连接所述传感器信号调理装置，输出端连接所述光信号接收装置，用于将从所述传感器信号调理装置中输出的光信号传输至所述光信号接收装置；The input end of the optical fiber is connected to the sensor signal conditioning device, and the output end is connected to the optical signal receiving device for transmitting the optical signal output from the sensor signal conditioning device to the optical signal receiving device;
所述光信号接收装置连接电机控制器，用于接收所述光纤传输的光信号，并将接收到的光信号转换成电信号，发送至所述电机控制器。The optical signal receiving device is connected to the motor controller for receiving the optical signal transmitted by the optical fiber, converting the received optical signal into an electrical signal, and sending it to the motor controller.
在其中一个实施例中，所述传感器信号调理装置包括传感器信号接收装置和传感器信号转换装置；In one of the embodiments, the sensor signal conditioning device includes a sensor signal receiving device and a sensor signal converting device;
所述传感器信号接收装置连接所述电机传感器，用于接收所述电机传感器的输出信号，将所述电机传感器的输出信号转换成所述传感器信号转换装置能够接收的信号，并发送至所述传感器信号转换装置；The sensor signal receiving device is connected to the motor sensor for receiving the output signal of the motor sensor, converting the output signal of the motor sensor into a signal that the sensor signal conversion device can receive, and sending it to the sensor signal conversion device;
所述传感器信号转换装置连接所述传感器信号接收装置，用于接收所述传感器信号接收装置发送的转换后的所述电机传感器的输出信号，并将其转换成光信号输出。The sensor signal converting device is connected to the sensor signal receiving device for receiving the converted output signal of the motor sensor sent by the sensor signal receiving device, and converting it into an optical signal for output.
在其中一个实施例中，所述传感器信号转换装置包括光信号发射器；In one of the embodiments, the sensor signal conversion device includes an optical signal transmitter;
所述光信号发射器连接所述传感器信号接收装置和所述光纤的输入端，用于接收所述传感器信号接收装置发送的转换后的所述电机传感器的输出信号，并将其转换成光信号，从所述光纤输出。The optical signal transmitter is connected to the sensor signal receiving device and the input end of the optical fiber, and is used to receive the converted output signal of the motor sensor sent by the sensor signal receiving device and convert it into an optical signal , output from the fiber.
在其中一个实施例中，所述光信号接收装置包括光信号接收器；In one of the embodiments, the optical signal receiving device includes an optical signal receiver;
所述光信号接收器连接所述光纤的输出端和所述电机控制器，用于接收所述光纤传输的光信号，并将接收到的光信号转换成所述电机控制器能够识别的电信号，发送至所述电机控制器。The optical signal receiver is connected to the output end of the optical fiber and the motor controller, and is used to receive the optical signal transmitted by the optical fiber, and convert the received optical signal into an electrical signal that can be recognized by the motor controller , sent to the motor controller.
其中，所述电机传感器为光电传感器、霍尔传感器、相对式光电编码器、绝对式光电编码器、或旋转编码器。Wherein, the motor sensor is a photoelectric sensor, a Hall sensor, a relative photoelectric encoder, an absolute photoelectric encoder, or a rotary encoder.
本实用新型的有益效果：本实用新型提供的增强电机传感器传输信号抗干扰能力的装置，通过将电机传感器与电机控制器之间的电信号转换为光信号并通过光纤进行传输，可大大降低长距离传输时周围传输环境等因素对传输信号的影响，增强电机传感器与电机控制器之间的传输信号的抗干扰能力，确保电机控制器对电机角度位置的计算精确度，从而提升电机控制器对电机的转速、转矩的控制精度，实现电机的正常运转。Beneficial effects of the utility model: the device provided by the utility model for enhancing the anti-interference ability of the motor sensor transmission signal can greatly reduce the length of time by converting the electrical signal between the motor sensor and the motor controller into an optical signal The influence of factors such as the surrounding transmission environment on the transmission signal during distance transmission, enhance the anti-interference ability of the transmission signal between the motor sensor and the motor controller, and ensure the accuracy of the motor controller’s calculation of the motor’s angular position, thereby improving the motor controller. Motor speed, torque control accuracy, to achieve the normal operation of the motor.
附图说明Description of drawings
为了使本实用新型的增强电机传感器传输信号抗干扰能力的装置的目的、技术方案及优点更加清楚明白，以下结合具体附图及具体实施例，对本实用新型的增强电机传感器传输信号抗干扰能力的装置进行进一步详细说明。In order to make the purpose, technical solution and advantages of the device for enhancing the anti-interference ability of the motor sensor transmission signal of the present utility model clearer, the following will be combined with specific drawings and specific embodiments to describe the anti-interference ability of the electric motor sensor transmission signal of the present utility model. device is described in further detail.
图1为本实用新型的增强电机传感器传输信号抗干扰能力的装置的结构示意图；Fig. 1 is the structural representation of the device for enhancing the anti-interference ability of motor sensor transmission signal of the present utility model;
图2为图1所示的本实用新型的增强电机传感器传输信号抗干扰能力的装置的实施例一的结构示意图；Fig. 2 is a structural schematic diagram of Embodiment 1 of the device for enhancing the anti-interference ability of the motor sensor transmission signal shown in Fig. 1;
图3为图1所示的本实用新型的增强电机传感器传输信号抗干扰能力的装置的实施例二的结构示意图；Fig. 3 is a structural schematic diagram of Embodiment 2 of the device for enhancing the anti-interference ability of the motor sensor transmission signal shown in Fig. 1;
图4为图1所示的本实用新型的增强电机传感器传输信号抗干扰能力的装置的实施例三的结构示意图；Fig. 4 is a structural schematic diagram of Embodiment 3 of the device for enhancing the anti-interference ability of the motor sensor transmission signal shown in Fig. 1;
图5为图1所示的本实用新型的增强电机传感器传输信号抗干扰能力的装置的实施例四的结构示意图。FIG. 5 is a schematic structural diagram of Embodiment 4 of the device for enhancing the anti-interference ability of the motor sensor transmission signal shown in FIG. 1 of the present invention.
具体实施方式Detailed ways
下面将结合实施例来详细说明本实用新型。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。The utility model will be described in detail below in conjunction with the embodiments. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.
如图1所示，本实用新型提供的增强电机传感器传输信号抗干扰能力的装置包括依次连接的传感器信号调理装置100、光纤200以及光信号接收装置300。箭头所示方向为信号传输方向。As shown in FIG. 1 , the device for enhancing the anti-interference ability of motor sensor transmission signals provided by the present invention includes a sensor signal conditioning device 100 , an optical fiber 200 and an optical signal receiving device 300 connected in sequence. The direction indicated by the arrow is the signal transmission direction.
传感器信号调理装置100连接电机传感器，用于接收电机传感器的输出信号，并将电机传感器的输出信号转换成光信号输出。光纤200的输入端连接信号调理装置100，输出端连接光信号接收装置300，用于将从传感器信号调理装置100中输出的光信号传输至光信号接收装置300。光信号接收装置300连接电机控制器，用于接收光纤200传输的光信号，并将接收到的光信号转换成电信号，发送至电机控制器。电机控制器根据接收到的电信号对电机的角度位置进行计算，从而实现对电机的转速、转矩的控制。The sensor signal conditioning device 100 is connected to the motor sensor for receiving the output signal of the motor sensor and converting the output signal of the motor sensor into an optical signal for output. The input end of the optical fiber 200 is connected to the signal conditioning device 100 , and the output end is connected to the optical signal receiving device 300 for transmitting the optical signal output from the sensor signal conditioning device 100 to the optical signal receiving device 300 . The optical signal receiving device 300 is connected to the motor controller, and is used to receive the optical signal transmitted by the optical fiber 200, convert the received optical signal into an electrical signal, and send it to the motor controller. The motor controller calculates the angular position of the motor according to the received electrical signal, so as to realize the control of the speed and torque of the motor.
上述传感器信号调理装置100相当于一个将电机传感器输出的电信号转换为能够被光信号接收装置300识别的光信号的光电转换器，设置在电机传感器端。光信号接收装置300相当于一个将光纤200输出的光信号转换为能够被电机驱动器识别的电信号的光电转换器，设置在电机控制器(即电机驱动器)端，也可以位于电机控制器内部。光纤200为传感器信号调理装置100和光信号接收装置300两者之间的光信号传输媒介。The above-mentioned sensor signal conditioning device 100 is equivalent to a photoelectric converter that converts the electrical signal output by the motor sensor into an optical signal that can be recognized by the optical signal receiving device 300 , and is arranged at the end of the motor sensor. The optical signal receiving device 300 is equivalent to a photoelectric converter that converts the optical signal output by the optical fiber 200 into an electrical signal that can be recognized by the motor driver. The optical fiber 200 is an optical signal transmission medium between the sensor signal conditioning device 100 and the optical signal receiving device 300 .
传统的电机传感器与电机控制器之间的传输信号一般是电压信号或是电流信号，其长距离传输时，容易受周围传输环境等因素的影响，传输信号受到干扰比较严重。The transmission signal between the traditional motor sensor and the motor controller is generally a voltage signal or a current signal. When it is transmitted over a long distance, it is easily affected by factors such as the surrounding transmission environment, and the transmission signal is seriously disturbed.
本实用新型提供的增强电机传感器传输信号抗干扰能力的装置，通过设置依次连接的传感器信号调理装置、光纤以及光信号接收装置，在电机传感器端将电机传感器的输出信号转换成光信号，并通过光纤传输至电机控制器端，在电机控制器端通过光信号接收装置接收光信号并将接收到的光信号转换成电信号，发送至电机控制器使用。The device for enhancing the anti-interference ability of the motor sensor transmission signal provided by the utility model converts the output signal of the motor sensor into an optical signal at the motor sensor end by setting the sensor signal conditioning device, optical fiber and optical signal receiving device connected in sequence, and through The optical fiber is transmitted to the motor controller end, and the optical signal receiving device receives the optical signal at the motor controller end, converts the received optical signal into an electrical signal, and sends it to the motor controller for use.
本实用新型通过将电机传感器与电机控制器之间的电信号转换为光信号并通过光纤进行传输，可大大降低长距离传输时周围传输环境等因素对传输信号的影响，增强电机传感器与电机控制器之间的传输信号的抗干扰能力，确保电机控制器对电机角度位置的计算精确度，从而提升电机控制器对电机的转速、转矩的控制精度，实现电机的正常运转。The utility model converts the electrical signal between the motor sensor and the motor controller into an optical signal and transmits it through an optical fiber, which can greatly reduce the influence of factors such as the surrounding transmission environment on the transmission signal during long-distance transmission, and enhance the motor sensor and motor control. The anti-interference ability of the transmission signal between the devices ensures the accuracy of the calculation of the angular position of the motor by the motor controller, thereby improving the control accuracy of the motor controller's speed and torque of the motor and realizing the normal operation of the motor.
上述实施例中的传感器信号调理装置包括传感器信号接收装置和传感器信号转换装置。传感器信号接收装置连接电机传感器，用于接收电机传感器的输出信号，将电机传感器的输出信号转换成传感器信号转换装置能够接收的信号(电压信号或电流信号)，并发送至传感器信号转换装置。传感器信号转换装置连接传感器信号接收装置，用于接收传感器信号接收装置发送的转换后的电机传感器的输出信号，并将其转换成光信号输出。The sensor signal conditioning device in the above embodiments includes a sensor signal receiving device and a sensor signal converting device. The sensor signal receiving device is connected to the motor sensor for receiving the output signal of the motor sensor, converting the output signal of the motor sensor into a signal (voltage signal or current signal) that the sensor signal conversion device can receive, and sending it to the sensor signal conversion device. The sensor signal converting device is connected to the sensor signal receiving device, and is used for receiving the converted output signal of the motor sensor sent by the sensor signal receiving device, and converting it into an optical signal for output.
传感器信号转换装置可以包括光信号发射器，光信号发射器连接传感器信号接收装置和光纤的输入端，用于接收传感器信号接收装置发送的转换后的电机传感器的输出信号，并将其转换成光信号，从光纤输出。The sensor signal conversion device may include an optical signal transmitter, the optical signal transmitter is connected to the input end of the sensor signal receiving device and the optical fiber, and is used to receive the converted output signal of the motor sensor sent by the sensor signal receiving device and convert it into an optical signal. The signal is output from the optical fiber.
光信号接收装置可以包括光信号接收器，光信号接收器连接光纤的输出端和电机控制器，用于接收光纤传输的光信号，并将接收到的光信号转换成电机控制器能够识别的电信号(电压信号或电流信号)，发送至电机控制器。The optical signal receiving device may include an optical signal receiver, the optical signal receiver is connected to the output end of the optical fiber and the motor controller, and is used to receive the optical signal transmitted by the optical fiber, and convert the received optical signal into an electrical signal that the motor controller can recognize. Signal (voltage signal or current signal), sent to the motor controller.
具体说明如下：The specific instructions are as follows:
本实用新型提供的增强电机传感器传输信号抗干扰能力的装置的实施例一，如图2所示，包括传感器信号接收装置110、传感器信号转换装置120、光纤130以及光信号接收装置140。其中，传感器信号接收装置110和传感器信号转换装置120设置在电机传感器端，通过光纤130与光信号接收装置140连接，光信号接收装置140设置在电机控制端。Embodiment 1 of the device for enhancing the anti-interference ability of motor sensor transmission signals provided by the utility model, as shown in FIG. Wherein, the sensor signal receiving device 110 and the sensor signal converting device 120 are arranged at the sensor end of the motor, connected to the optical signal receiving device 140 through the optical fiber 130, and the optical signal receiving device 140 is arranged at the motor control end.
传感器信号接收装置110连接电机传感器。电机传感器的输出信号经传感器信号接收装置110接收后将其转换成传感器信号转换装置120能够接收的信号，并发送至传感器信号转换装置120。传感器信号转换装置120接收传感器信号接收装置110发送的转换后的电机传感器的输出信号，并将其转换成光信号通过光纤130输送至光信号接收装置140。光信号接收装置140连接电机控制器，将接收到的光信号转换成电信号，发送至电机控制器，供电机控制器使用。The sensor signal receiving device 110 is connected to the motor sensor. The output signal of the motor sensor is received by the sensor signal receiving device 110 and converted into a signal that can be received by the sensor signal converting device 120 and sent to the sensor signal converting device 120 . The sensor signal converting device 120 receives the converted output signal of the motor sensor sent by the sensor signal receiving device 110 , converts it into an optical signal and transmits it to the optical signal receiving device 140 through the optical fiber 130 . The optical signal receiving device 140 is connected to the motor controller, converts the received optical signal into an electrical signal, and sends it to the motor controller for use by the motor controller.
本实用新型提供的增强电机传感器传输信号抗干扰能力的装置的实施例二，如图3所示，包括传感器信号接收装置210、光信号发射器220、光纤230以及光信号接收装置240。其中，传感器信号接收装置210和光信号发射器220设置在电机传感器端，通过光纤230与光信号接收装置240连接，光信号接收装置240设置在电机控制端。Embodiment 2 of the device for enhancing the anti-interference ability of motor sensor transmission signals provided by the utility model, as shown in FIG. Wherein, the sensor signal receiving device 210 and the optical signal transmitter 220 are arranged at the sensor end of the motor, connected to the optical signal receiving device 240 through the optical fiber 230, and the optical signal receiving device 240 is arranged at the motor control end.
传感器信号接收装置210连接电机传感器。电机传感器的输出信号经传感器信号接收装置210接收后将其转换成光信号发射器220能够接收的信号，然后发送至光信号发射器220。光信号发射器220接收传感器信号接收装置210发送的转换后的电机传感器的输出信号，并将其转换成光信号通过光纤230输送至光信号接收装置240。光信号接收装置240连接电机控制器，将接收到的光信号转换成电信号，发送至电机控制器，供电机控制器使用。The sensor signal receiving device 210 is connected to the motor sensor. The output signal of the motor sensor is received by the sensor signal receiving device 210 and converted into a signal that can be received by the optical signal transmitter 220 , and then sent to the optical signal transmitter 220 . The optical signal transmitter 220 receives the converted output signal of the motor sensor sent by the sensor signal receiving device 210 , converts it into an optical signal and transmits it to the optical signal receiving device 240 through the optical fiber 230 . The optical signal receiving device 240 is connected to the motor controller, converts the received optical signal into an electrical signal, and sends it to the motor controller for use by the motor controller.
本实用新型提供的增强电机传感器传输信号抗干扰能力的装置的实施例三，如图4所示，包括传感器信号接收装置310、传感器信号转换装置320、光纤330以及光信号接收传感器340。其中，传感器信号接收装置310和传感器信号转换装置320设置在电机传感器端，通过光纤330与光信号接收传感器340连接，光信号接收传感器340设置在电机控制端。Embodiment 3 of the device for enhancing the anti-interference ability of motor sensor transmission signals provided by the utility model, as shown in FIG. Wherein, the sensor signal receiving device 310 and the sensor signal converting device 320 are arranged at the motor sensor end, connected to the optical signal receiving sensor 340 through the optical fiber 330, and the optical signal receiving sensor 340 is arranged at the motor control end.
传感器信号接收装置310连接电机传感器。电机传感器的输出信号经传感器信号接收装置310接收后将其转换成传感器信号转换装置320能够接收的信号，并发送至传感器信号转换装置320。传感器信号转换装置320接收传感器信号接收装置310发送的转换后的电机传感器的输出信号，并将其转换成光信号通过光纤330输送至光信号接收传感器340。光信号接收装置340连接电机控制器，将接收到的光信号转换成电信号，发送至电机控制器，供电机控制器使用。The sensor signal receiving device 310 is connected to the motor sensor. The output signal of the motor sensor is received by the sensor signal receiving device 310 and converted into a signal that can be received by the sensor signal converting device 320 and sent to the sensor signal converting device 320 . The sensor signal converting device 320 receives the converted output signal of the motor sensor sent by the sensor signal receiving device 310 , converts it into an optical signal and transmits it to the optical signal receiving sensor 340 through the optical fiber 330 . The optical signal receiving device 340 is connected to the motor controller, converts the received optical signal into an electrical signal, and sends it to the motor controller for use by the motor controller.
本实用新型提供的增强电机传感器传输信号抗干扰能力的装置的实施例四，如图5所示，包括传感器信号接收装置410、光信号发射器420、光纤430以及光信号接收传感器440。其中，传感器信号接收装置410和光信号发射器420设置在电机传感器端，通过光纤430与光信号接收传感器440连接，光信号接收传感器440设置在电机控制端。Embodiment 4 of the device for enhancing the anti-interference ability of motor sensor transmission signals provided by the utility model, as shown in FIG. Wherein, the sensor signal receiving device 410 and the optical signal transmitter 420 are arranged at the motor sensor end, connected to the optical signal receiving sensor 440 through the optical fiber 430, and the optical signal receiving sensor 440 is arranged at the motor control end.
传感器信号接收装置410连接电机传感器。电机传感器的输出信号经传感器信号接收装置410接收后将其转换成光信号发射器420能够接收的信号，然后发送至光信号发射器420。光信号发射器420接收传感器信号接收装置410发送的转换后的电机传感器的输出信号，并将其转换成光信号通过光纤430输送至光信号接收传感器440。光信号接收传感器440连接电机控制器，将接收到的光信号转换成电信号，发送至电机控制器，供电机控制器使用。The sensor signal receiving device 410 is connected to the motor sensor. The output signal of the motor sensor is received by the sensor signal receiving device 410 and converted into a signal that can be received by the optical signal transmitter 420 , and then sent to the optical signal transmitter 420 . The optical signal transmitter 420 receives the converted output signal of the motor sensor sent by the sensor signal receiving device 410 , and converts it into an optical signal and transmits it to the optical signal receiving sensor 440 through the optical fiber 430 . The optical signal receiving sensor 440 is connected to the motor controller, converts the received optical signal into an electrical signal, and sends it to the motor controller for use by the motor controller.
本实用新型的电机传感器主要用于开关磁阻电机，可以为光电传感器、霍尔传感器、相对式光电编码器、绝对式光电编码器、或旋转编码器。The motor sensor of the utility model is mainly used for switched reluctance motors, and can be a photoelectric sensor, a Hall sensor, a relative photoelectric encoder, an absolute photoelectric encoder, or a rotary encoder.
本实用新型提供的增强电机传感器传输信号抗干扰能力的装置，在电机传感器端将电机传感器的输出信号转换成光信号，并通过光纤传输至电机控制器端，在电机控制器端通过光信号接收装置接收光信号并将接收到的光信号转换成电信号，发送至电机控制器使用。其通过将电机传感器与电机控制器之间的电信号转换为光信号并通过光纤进行传输，可大大降低长距离传输时周围传输环境等因素对传输信号的影响，增强电机传感器与电机控制器之间的传输信号的抗干扰能力，确保电机控制器对电机角度位置的计算精确度，从而提升电机控制器对电机的转速、转矩的控制精度，实现电机的正常运转。The device provided by the utility model to enhance the anti-interference ability of the motor sensor transmission signal converts the output signal of the motor sensor into an optical signal at the motor sensor end, and transmits it to the motor controller end through an optical fiber, and receives it through the optical signal at the motor controller end. The device receives the optical signal and converts the received optical signal into an electrical signal, which is sent to the motor controller for use. It converts the electrical signal between the motor sensor and the motor controller into an optical signal and transmits it through an optical fiber, which can greatly reduce the influence of factors such as the surrounding transmission environment on the transmission signal during long-distance transmission, and enhance the connection between the motor sensor and the motor controller. The anti-interference ability of the transmission signal between them ensures the accuracy of the calculation of the angular position of the motor by the motor controller, thereby improving the control accuracy of the motor controller's speed and torque of the motor and realizing the normal operation of the motor.
以上实施例仅表达了本实用新型的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对本实用新型专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本实用新型构思的前提下，还可以做出若干变形和改进，这些都属于本实用新型的保护范围。因此，本实用新型专利的保护范围应以所附权利要求为准。The above examples only express several implementations of the utility model, and the description thereof is relatively specific and detailed, but it should not be construed as limiting the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the scope of protection of the utility model patent should be based on the appended claims.
Claims (5)
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