China University of Mining and Technology

Jiangsu University

Suzhou Metabrain Intelligent Technology Co., Ltd.

Wuxi Chipown Micro-electronics Limited

Jiangsu Guowang High-technique Fiber Co., Ltd.

Suzhou E-rising Electrical Technology Co., Ltd.

Tao Zhang

Wei Li

Haisong Li

Yangbo Yi

Yaoming Li

Changshen Zhao

Wenliang Liu

Zhenwei Liang

Tao Han

Hanhao Wang

Kuizhou Ji

Liyuan Yu

Yansen Wang

Weihao Yang

Binbin Ji

Yanbin Liu

Tuo Du

Guoliang You

Ying Wu

Zhijiang Yang

Chi Zhang

Jiahui Huang

Chao Wei

Rui Sun

Xianzhen Mi

Haijian Su

Bowen Hu

Biao Zhou

Yanlong Ren

Huazheng Rui

Shuchen Li

Haoguan Gui

Guohong Gao

Baosheng Wang

Zhiwu Yu

Junhui Cheng

Provided are a clock control method, device for a switch chip, and a switch board. The method is applied to a clock control device, and includes: receiving clock signals transmitted by clock generators of a plurality of clock types, the clock control device is connected to a switch chip, the switch chip uses clock signals of different clock types in response to controlling target devices of different device types, and the plurality of clock types correspond to a plurality of device types; identifying a target device type of the plurality of device types, to which a target device belongs; and transmitting, to the switch chip and the target device, a target clock signal transmitted by a target clock generator of the clock generators of the plurality of clock types, the target clock generator is a clock generator of a target clock type corresponding to the target device type.

Clock control method, device for switch chip, and switch board

The disclosure belongs to the field of underground energy storage, and particularly provides a large-deformation underground energy storage device, including a body. The body includes a rubber sealing layer, a negative Poisson's ratio material layer, a large deformation concrete layer and rock layers sequentially nested from inside to outside; an internal storage space is formed in the rubber sealing layer, the negative Poisson's ratio material layer includes a plurality of negative Poisson's ratio material elements connected in sequence, and the large deformation concrete layer is cast from deformable concrete.

Large deformation underground energy storage device

An efficient reed harvester, including a preharvest detection unit, a cutting device, a conveyor device, a baling-stacking device, a chassis, and a control unit, where the preharvest detection unit is configured to detect height information of reeds in a preharvest region, and transmit to the control unit; the conveyor device is configured to gather and clamp stems of the reeds, and convey the stems backward to the baling-stacking device; the control unit is configured to calculate an average height hof the reeds in the preharvest region according to the height information of the reeds in the preharvest region, and adjust a height of the conveyor device according to the average height of the reeds; and the control unit is configured to control the baling-stacking device to stack the small bales of reeds vertically or horizontally, and knot the small bales of reeds into the big bale.

Efficient reed harvester

An emulsion composition, a polystyrene nano-fiber, a polystyrene nano-fiber product and a preparation method and use thereof, wherein the emulsion composition comprises a dispersed phase and a continuous phase, the dispersed phase contains a soluble salt and a first solvent, the continuous phase contains polystyrene, a second solvent and sulfonated polystyrene being syndiotactic polystyrene and/or isotatic polystyrene; the preparation of the emulsion composition: under heating and stirring, dropwise adding the dispersed phase into the continuous phase; the preparation of the polystyrene nano-fiber or polystyrene nano-fiber product: crystallize the above emulsion composition; the polystyrene nano-fiber prepared by the above emulsion composition has a pore structure, and the prepared product has a stable and controllable three-dimensional structure and multi-level and/or intercommunicated pore structure, and also has a high preparation efficiency, therefore the above polystyrene nano-fiber or product has excellent application prospects in absorption, adsorption, oil-water separation, and construction of special wettability surfaces.

Emulsion composition, polystyrene nano-fiber, polystyrene nano-fiber product, preparation method, and use thereof

A vacuum cleaner charging dock comprising a base and a bracket is provided. The bracket is arranged on one side of the base and is provided with a charging socket for charging a vacuum cleaner, while a positioning slot is arranged on another side of the base, the positioning slot is used for containing a floor brush of the vacuum cleaner, the positioning slot is provided with a plurality of convex teeth, which are used for rubbing with a rolling brush on the floor brush. The vacuum cleaner charging dock is provided with convex teeth, and the rolling brush of floor brush has deformation contact with the convex teeth. When the rolling brush starts to rotate, the convex teeth are easy to perform frictional rotation. Then dust and sewage on the rolling brush are shaken off into a positioning slot to complete the cleaning to the rolling brush, which is convenient and efficient.

Vacuum cleaner charging dock and vacuum cleaner assembly

Handheld vacuum cleaner with charging stand

The present invention relates to a tri-axial mechanical test apparatus and method for simulating the process of freezing the high-pressure water into ice. The tri-axial mechanical test apparatus comprises a main body loading system, a freezing system, and a sample test system; in the main body loading system, a flange, an axial pressure piston and a pressure-bearing shell are constituted to a loading main body, and the axial pressure and confining pressure are controlled directly by a tri-axial servo tester and indirectly by an oil-water separator respectively; in the freezing system, a circumferential freezing liquid circulation channel and a base freezing liquid circulation channel are connected to an external cold source for cooling and freezing, and a dissoluble shell is provided on the periphery of the sample to ensure the shape of ice; in the sample test system, a serial of optical fiber sensors in the sample is connected to an optical fiber data collector, to measure temperature and strain. The present invention cooperates with a tri-axial servo tester, an oil-water separator, an external cold source and an optical fiber data collector, so that the water can be frozen into ice under pressure under the confinement of a dissoluble shell that is dissolved after an ice sample is formed, and then the tri-axial mechanical test can be carried out directly in the original stress state after water is frozen into ice under pressure.

Tri-axial mechanical test apparatus and method for simulating the process of freezing high-pressure water into ice

A control circuit and a control method of a switching power supply, according to feedback signals on a pin FB and a pin CS, a constant current control module generates and outputs a control signal to control an output current of the switching power supply, thereby regulating duty cycle of a first transistor adaptively and controlling an output current Io of a power supply system to be constant; according to the feedback signals on the pin FB and on the pin CS, a constant current precision compensation module adaptively regulates circuit parameters of the constant current control module and a sample-and-hold module, preventing precision of constant current output from being influenced by change of a working mode and/or by variation of input conditions; when an output voltage changes, QR mode keeps unchanged or depth of a CCM keeps approximately constant.

Control circuit and control method of switching power supply

Growing community of inventors

Jiangsu, China

Tao Zhang