Hangzhou Quadrant Technology Co., Ltd.

Zhejiang University

Hoymiles Power Electronics Inc.

Yi Zhao

Liping Wang

Guojun Zhang

Hezhao Hua

Ruinan Wang

Zhixue Lu

Bing Chen

Bo Yang

Hongbin Yu

Shifan Gao

Shigao Zhou

Yanwei Wu

Yanliang Cai

Qiang Rong

An integrated electric oil pump and an operation method thereof are disclosed. The integrated oil pump includes a pump housing; an oil inlet; an oil outlet; a fixed shaft in the pump housing; an inner gear eccentrically and rotatably connected with the fixed shaft; an outer gear coaxially connected with the fixed shaft and rotatably arranged in the pump housing, the outer gear is located at an outer periphery of the inner gear and engaged with the inner gear; a motor rotor, the motor rotor is fixedly connected to an outer periphery of the outer gear; and a motor stator at an outer periphery of the rotor, the motor stator is fixedly connected with the pump housing; one end of the channel is in communication with the oil inlet, and an internal circulation of the cooling oil is achieved through the channel.

Integrated electric oil pump and operation method thereof

A shutdown device, including a first shutdown module, a second shutdown module, and a control module are disclosed. The first shutdown module includes a first switching device for controlling an output power of a first direct-current power supply coupled to a first input port; and the second shutdown module includes a second switching device for controlling an output power of a second direct-current power supply coupled to a second input port, where the control module modulates a power control signal and a first communication signal to generate a first composite control signal, and the first composite control signal controls the first switching device to work in a high-frequency switching state to superimpose a current ripple signal including the first communication signal onto a power bus; and the control module further generates a switching control signal, to control the second switching device.

Shutdown device, communication method for shutdown device, and rapid shutdown photovoltaic system

An electric oil pump, including a pump housing, a fixed shaft in the pump housing, an inner gear eccentrically and rotatably connected to the fixed shaft, an outer gear coaxially connected to the fixed shaft and rotatably arranged in the pump housing, the outer gear is located at an outer periphery of the inner gear and engaged with the inner gear, a motor rotor fixedly connected to an outer periphery of the outer gear, and a motor stator at an outer periphery of the motor rotor, the motor stator is fixedly connected to the pump housing. A projection area of the motor stator, a projection area of the motor rotor, a projection area of the outer gear, a projection area of the inner gear and a projection area of the fixed shaft on a plane through an axis of the fixed shaft at least partially overlap.

Electric oil pump

A multi-input shutdown device, including: a first input port, configured to be coupled to a first photovoltaic unit; at least one second input port, configured to be coupled to a second photovoltaic unit, where the second photovoltaic unit includes at least one cell substring and a freewheeling diode connected in parallel to the cell substring; a first shutdown module including a first switching device and a first bypass device, where the first bypass device is configured to provide a bypass path for a power bus current when the first photovoltaic unit is abnormal; at least one second shutdown module, including a second switching device; and a control module, configured to control the second switching device to be turned on when the second photovoltaic unit is abnormal, so that the second switching device and the freewheeling diode in the second photovoltaic unit provide a bypass path for the power bus current.

Multi-input shutdown device and control method therefor, and photovoltaic power generation system

An integrated electric oil pump includes a pump housing, in which a motor and a gerotor in the motor are arranged, a ball bearing is arranged between the motor and the gerotor, the motor includes a stator assembly and a motor rotor, the gerotor includes an inner gear, an outer gear and a pin, the hollow motor rotor is installed within the stator assembly, the outer gear is arranged in the motor rotor and is integrated with the motor rotor, a shaft sleeve is installed at a center of the motor rotor, the pin is arranged inside the shaft sleeve, the inner gear is arranged outside the shaft sleeve, the inner gear and the pin are respectively in press fit with the shaft sleeve, and the inner gear is engaged with the outer gear.

Integrated electric oil pump

The present application discloses a high-precision electric oil pump, which relates to the technical field of new energy vehicles. The electric oil pump includes a pump housing connected with an outer gear and an inner gear engaged with each other, the pump housing is internally connected to a fixed shaft concentrically arranged with the pump housing, the outer gear is connected to the fixed shaft and concentrically arranged with the pump housing, the fixed shaft includes a connecting section, an eccentric calibrator is provided on an outer circumferential wall of the connecting section, the eccentric calibrator and the connecting section form an eccentric assembly, the inner gear is rotated around a geometric central axis of the eccentric assembly, and the eccentric assembly is non-concentrically arranged with the pump housing.

Electric oil pump including pump housing and eccentric assembly non-concentrically arranged with pump housing

Disclosed are a compute-in-memory array and module, and a data computing method; a storage cell is configured to form an array used for computation; the storage cell consists of bitcells serially connected in sequence; a bitcell comprises a switching device and a resistive memory; the switching device is connected in series or in parallel with the resistive memory; the write resistance value of the storage cell is determined by means of controlling the switching state of the switching device so as to change the resistance state of the resistive memory. Since resistive memories have different resistance states, a resistive memory can be set in different resistance states by means of the switching state of the switching device, such that the storage cell is at a required write resistance value, thereby enabling the quick implementation of a write operation of the bitcell.

Compute-in-memory array and module, and data computing method

The present disclosure discloses a ternary content addressable memory based on a memory diode, which includes a plurality of kernel units having functions of storing data, erasing/writing data, and comparing data; the kernel units are arranged in an array, all kernel units in a unit of row are connected to a same matching line, and all kernel units in a unit of column are connected to a same pair of complementary search signal lines; the kernel unit includes two memory diodes; top electrodes of a first memory diode and a second memory diode are respectively connected to a pair of complementary search signal lines, and bottom electrodes of the first memory diode and the second memory diode are connected to a same matching line. The present disclosure can greatly reduce a chip dimension of the ternary content addressable memory and reduce power consumption; the ternary content addressable memory of the present disclosure has a simple structure, which effectively simplifies a manufacturing process and reduces a manufacturing cost; the present disclosure provides and achieves a memory diode that is compatible with a standard CMOS process, which is suitable for currently rapidly developing semiconductor integrated circuits.

Growing community of inventors

Zhejiang, China

Yi Zhao