公开(公告)号：US09897670B2

公开(公告)日：2018-02-20

申请号：US14499920

申请日：2014-09-29

Applicant: Yu Ye Liu ,  JianMin Wang

Inventor： Yu Ye Liu ,  JianMin Wang

IPC: G01V3/00 ,  G01R33/36

CPC classification number: G01R33/3657

Abstract: A coil control device of a magnetic resonance imaging system includes a DC-DC switching converter and a controller. The DC-DC switching converter is configured for switching and converting a DC power supply to a DC current or a DC voltage. An input end of the DC-DC switching converter is connected in parallel to the DC power supply. The controller is configured to control the DC-DC switching converter to switch and provide the DC current or the DC voltage. In some embodiments of the coil control device described herein, two power supplies (e.g., +15 V and −32 V) may be reduced to one power supply (e.g., +15 V), thereby saving energy and foregoing a water-cooling system.

公开(公告)号：US09225246B2

公开(公告)日：2015-12-29

申请号：US14166010

申请日：2014-01-28

Applicant: Yu Ye Liu

Inventor： Yu Ye Liu

IPC: H02M3/156 ,  H02M3/158

CPC classification number: H02M3/158 ,  H02M3/1588 ,  Y02B70/1466

Abstract: A DC-DC Buck circuit has a DC input terminal, a DC output terminal, a ground terminal, an inductor, a capacitor, a sampling resistor, a PWM control chip and a DrMOS chip. The output of the driver pin of the PWM control chip is unrelated to the voltage between the inductor and the sampling resistor. The DC-DC Buck circuit can produce a larger output voltage while also being compatible with a DrMOS chip.

Abstract translation: DC-DC降压电路具有直流输入端子，直流输出端子，接地端子，电感器，电容器，采样电阻器，PWM控制芯片和DrMOS芯片。 PWM控制芯片的驱动器引脚的输出与电感和采样电阻之间的电压无关。 DC-DC降压电路可以产生更大的输出电压，同时也与DrMOS芯片兼容。

公开(公告)号：US09513350B2

公开(公告)日：2016-12-06

申请号：US13787024

申请日：2013-03-06

Applicant: Wen Ming Li ,  Yu Ye Liu ,  Jian Min Wang

Inventor： Wen Ming Li ,  Yu Ye Liu ,  Jian Min Wang

IPC: G01R33/34 ,  G01R33/36 ,  G01R33/3415

CPC classification number: G01R33/34092 ,  G01R33/3415 ,  G01R33/3664

Abstract: An RF coil device and an MRI system are provided. The RF coil device includes m coil elements, where m is an integer greater than 1. The RF coil device also includes an RF switch control unit including n output terminals and m input terminals connected to the m coil elements, respectively, where n is an integer greater than or equal to 1 and less than m. The RF coil device includes a decoder for outputting a control signal to the RF switch control unit according to a received control command. The RF switch control unit connects each of not more than n input terminals to a different output terminal according to the control signal.

Abstract translation: 提供RF线圈装置和MRI系统。 RF线圈装置包括m个线圈元件，其中m是大于1的整数。RF线圈装置还包括RF开关控制单元，其分别包括n个输出端子和m个输入端子，其连接到m个线圈元件，其中n是 大于或等于1且小于m的整数。 RF线圈装置包括：解码器，用于根据接收到的控制命令向RF开关控制单元输出控制信号。 RF开关控制单元根据控制信号将不多于n个输入端子中的每一个连接到不同的输出端子。

公开(公告)号：US20150091576A1

公开(公告)日：2015-04-02

申请号：US14499920

申请日：2014-09-29

Applicant: Yu Ye Liu ,  JianMin Wang

Inventor： Yu Ye Liu ,  JianMin Wang

IPC: G01R33/36

CPC classification number: G01R33/3657

Abstract: A coil control device of a magnetic resonance imaging system includes a DC-DC switching converter and a controller. The DC-DC switching converter is configured for switching and converting a DC power supply to a DC current or a DC voltage. An input end of the DC-DC switching converter is connected in parallel to the DC power supply. The controller is configured to control the DC-DC switching converter to switch and provide the DC current or the DC voltage. In some embodiments of the coil control device described herein, two power supplies (e.g., +15 V and −32 V) may be reduced to one power supply (e.g., +15 V), thereby saving energy and foregoing a water-cooling system.

Abstract translation: 磁共振成像系统的线圈控制装置包括DC-DC开关转换器和控制器。 DC-DC开关转换器被配置为将DC电源切换和转换为DC电流或DC电压。 DC-DC开关转换器的输入端与直流电源并联连接。 控制器配置为控制DC-DC开关转换器切换并提供直流电流或直流电压。 在这里描述的线圈控制装置的一些实施例中，两个电源（例如，+ 15V和-32V）可以被减少到一个电源（例如，+ 15V），从而节省能量并且提供一个水冷却系统 。

公开(公告)号：US20140210443A1

公开(公告)日：2014-07-31

申请号：US14166010

申请日：2014-01-28

Applicant: Yu Ye Liu

Inventor： Yu Ye Liu

IPC: H02M3/156

CPC classification number: H02M3/158 ,  H02M3/1588 ,  Y02B70/1466

Abstract: A DC-DC Buck circuit has a DC input terminal, a DC output terminal, a ground terminal, an inductor, a capacitor, a sampling resistor, a PWM control chip and a DrMOS chip. The output of the driver pin of the PWM control chip is unrelated to the voltage between the inductor and the sampling resistor. The DC-DC Buck circuit can produce a larger output voltage while also being compatible with a DrMOS chip.

Abstract translation: DC-DC降压电路具有直流输入端子，直流输出端子，接地端子，电感器，电容器，采样电阻器，PWM控制芯片和DrMOS芯片。 PWM控制芯片的驱动器引脚的输出与电感和采样电阻之间的电压无关。 DC-DC降压电路可以产生更大的输出电压，同时也与DrMOS芯片兼容。

公开(公告)号：US20130234714A1

公开(公告)日：2013-09-12

申请号：US13787024

申请日：2013-03-06

Applicant: Wen Ming Li ,  Yu Ye Liu ,  Jian Min Wang

Inventor： Wen Ming Li ,  Yu Ye Liu ,  Jian Min Wang

IPC: G01R33/34

CPC classification number: G01R33/34092 ,  G01R33/3415 ,  G01R33/3664

Abstract: An RF coil device and an MRI system are provided. The RF coil device includes m coil elements, where m is an integer greater than 1. The RF coil device also includes an RF switch control unit including n output terminals and m input terminals connected to the m coil elements, respectively, where n is an integer greater than or equal to 1 and less than m. The RF coil device includes a decoder for outputting a control signal to the RF switch control unit according to a received control command. The RF switch control unit connects each of not more than n input terminals to a different output terminal according to the control signal.

Abstract translation: 提供RF线圈装置和MRI系统。 RF线圈装置包括m个线圈元件，其中m是大于1的整数。RF线圈装置还包括RF开关控制单元，其分别包括n个输出端子和m个输入端子，其连接到m个线圈元件，其中n是 大于或等于1且小于m的整数。 RF线圈装置包括：解码器，用于根据接收到的控制命令向RF开关控制单元输出控制信号。 RF开关控制单元根据控制信号将不多于n个输入端子中的每一个连接到不同的输出端子。