Abstract: A socket housing assembly includes a first socket housing (205) with a threaded connection section and a notch portion; a control block (203) inserted into the first socket housing from the first end of the first socket housing along the notch portion; a control block spring (204), provided in the first socket housing and pressed against the inner wall of the first socket housing and the end of the control block; and a socket housing cover (201), having a first end used for a plug assembly and a second end having an inner wall provided with an internal thread matching the threaded connection section. The installation of the control block and the control block spring is convenient, the assembly difficulty is reduced, later repair and maintenance are facilitated, the inclination of the spring is effectively avoided, and the sealing performance of a product is guaranteed.

Abstract: A method of constructing a high-performance anti-tampering database based on blockchain includes: acquiring change increment information corresponding to data to-be-stored through at least one of database nodes and storing the change increment information as bottom-layer data of all the database nodes based on a blockchain data structure; determining resultant data information based on the change increment information, indexing and then storing the resultant data information as top-layer data of all the database nodes; performing mutual-checks on stored top-layer data as per a predetermined mutual-checking period and performing self-checks on stored bottom-layer data as per a predetermined self-checking period, by the database nodes; and restoring the bottom-layer and/or top-layer data of the database nodes according to results of mutual-checks and self-checks, to realize database construction.

Abstract: The present invention discloses a waste liquid recovery system for a large storage tank, and relates to the technical field of retirements of radioactive storage tanks. The present invention includes a control terminal, a transition tank, a water storage tank, a water-ring vacuum pump, a water mist separator, a high-pressure water spray apparatus, a solid waste collecting and weighing apparatus, and a sewage pump, where the transition tank and storage tank is connected with two ends of a recovery pipeline respectively; the water storage tank is provided with a ventilation valve, a solid-liquid separator, and a rotary stirring apparatus; the transition tank is connected to an inlet port of the solid-liquid separator; and a waste water outlet port of the water storage tank is connected with the sewage pump. According to the present invention, solid-liquid separation, a simple structure and a high automation degree are achieved.

Abstract: Examples of the disclosure include a wireless device comprising a power amplifier configured to output a balanced amplified signal, an antenna configured to transmit and receive signals, a balun coupled to the power amplifier and the antenna, and being configured to receive the balanced amplified signal and output, based on the balanced amplified signal, an unbalanced amplified signal to the antenna, and at least one capacitor coupled in series between the power amplifier and the balun.

Abstract: Embodiments of the present disclosure provides a heat dissipating assembly for a circuit, the circuit comprises a printed circuit board and a plurality of electronic components, the printed circuit board is provided with a plurality of first through holes for pins of the plurality of electronic components to pass through, the heat dissipating assembly comprises: a bracket connected to the printed circuit board, the bracket is provided with a second through hole for a respective pin to pass through at a position corresponding to each first through hole; a plurality of heat dissipating sheets each disposed against a pair of electronic components of the plurality of electronic components; and a plurality of limiting members each disposed adjacent to a side of the bracket away from the printed circuit board, to limit each pair of electronic components and a respective heat dissipating sheet to a predetermined position relative to the bracket.

Abstract: Embodiments of the present disclosure provides a motor starter, the motor starter includes a housing including a base plate; power supply board disposed on the base plate; a first insulating board covering a side of the power supply board away from the base plate; a signal processing board disposed on a side of the first insulating board away from the base plate, and a first insulating part is disposed on a side of the signal processing board away from the base plate; and an interface board disposed on a side of the signal processing board away from the base plate, and a second insulating part is disposed on a side of the interface board facing the signal processing board, a second insulating board is disposed on a side of the interface board away from the signal processing board.

Abstract: Embodiments herein are directed to a vascular stenosis treatment apparatus including a treatment assembly having a balloon, the wall of the balloon being provided with a plurality of first holes for liquid to pass through, and the balloon having an unexpanded state and an expanded state; a covering member covering the outside of the balloon and expanding with the expansion of the balloon, the covering member having a plurality of second holes, and when the balloon is in the expanded state, the aperture of the first holes being smaller than the aperture of the second holes. The treatment apparatus can achieve accurate positioning, and the covering member has a limiting effect on a drug solution causing the drug to more uniformly and effectively act on a desired position of a vascular wall, increasing the utilization rate, reducing the occurrence rate of vascular restenosis, and improving the treatment effect.

Abstract: Embodiments of the present disclosure provides a heat dissipating device for an electrical cabinet and the electrical cabinet. The electrical cabinet comprises a cabinet body and a plurality of drawers. The plurality of drawers are inserted into the cabinet body from a front side of the cabinet body in a thickness direction of the cabinet body and arranged along a height direction of the cabinet body. The heat dissipating device comprises a first air inlet and a second air inlet. The first air inlet is arranged on a front side of the cabinet body between two adjacent drawers of the plurality of drawers to receive a first cooling airflow. The second air inlet is arranged on a front side of the cabinet body adjacent to a bottom of the cabinet body to receive a second cooling airflow. The heat dissipating device further comprise an isolation assembly arranged in the cabinet body to isolate the first and second cooling airflows.

Abstract: A phase shifter circuit may include a multiple phase shifter cells (or cells) to selectively shift a phase of an input signal by a desired phase shift value. For example, each of the phase shifter cells may shift the phase of the input signal by a positive fractional phase shift value or a negative fractional phase shift value. The phase shifter cells may include circuitry to form an inductor-capacitor circuit to provide the negative fractional phase shift value and form a capacitor-inductor circuit to provide the positive fractional phase shift value. The phase shifter cells may receive control signals to form the inductor-capacitor circuit and the capacitor-inductor circuit. An electronic device may include multiple phase shifter circuits to adjust a phase of transmission signals and/or reception signals of phased array antennas.

Abstract: The present disclosure provides a control circuit and a control method of a bistable permanent magnet mechanism. The control circuit includes five switches, a diode and a control unit for controlling the five switches to be turned on and turned off. The control circuit enables the positive and the negative of the current passing through the coil to be adjustable at any time and avoids load breaking, without a complicated design of a driving circuit, thereby reducing the cost. It can also realize PWM control, adapt to a larger current range and different bistable permanent magnet mechanisms, and has a wide range of application scenarios.

Abstract: A switch is disclosed, including: a static contact; a static iron core; a moving iron core including a narrow part passing through the first opening of the cavity and a widened part immediately adjacent to the narrow part and away from the static contact relative to the narrow part, and the moving iron core passes through the cavity through the first opening and the second opening of the cavity; a moving contact fixedly arranged on the moving iron core, wherein the platform abuts against the static iron core when the moving contact is in contact with the static contact; a coil arranged in the cavity; a reset piece connected to the moving iron core, wherein the reset piece exerts an elastic force on the moving iron core away from the static contact when the static contact is in contact with the moving contact.

Abstract: A bidirectional operation mechanism for a switching device and a switching device assembly. The bidirectional operation mechanism includes: a housing; an operation handle; a first driving member, rotatably installed to the housing, fixedly connected to the operation handle; a second driving member, rotatably installed to the housing, operatively connected to the first driving member and the switching device, upon an external force acting on the operation handle to drive the operation handle rotate between the closed position and the open position, the operation handle drives the first driving member to rotate together, so that the first driving member abuts against and drives the second driving member to rotate, enabling the switching device to perform a closing operation and an opening operation.

Abstract: The present disclosure relates to an electromechanical sequential action device that is capable of sequentially interlocking a mechanical switch and a power electronic switch, where through an action sequence control, the electromechanical mechanism turns on the power electronic switch only after the mechanical switch is closed, and through an advanced travel control, turns off the power electronic switch before opening the mechanical switch, avoiding the problem of arc discharge during closing and opening of the mechanical switch, and improving the service life and connection reliability of the mechanical switch.

Abstract: Embodiments of the present disclosure provide a forward and reverse rotation control device for power-using equipment.

Abstract: A socket housing assembly includes a first socket housing (205) with a threaded connection section and a notch portion; a control block (203) inserted into the first socket housing from the first end of the first socket housing along the notch portion; a control block spring (204), provided in the first socket housing and pressed against the inner wall of the first socket housing and the end of the control block; and a socket housing cover (201), having a first end used for a plug assembly and a second end having an inner wall provided with an internal thread matching the threaded connection section. The installation of the control block and the control block spring is convenient, the assembly difficulty is reduced, later repair and maintenance are facilitated, the inclination of the spring is effectively avoided, and the sealing performance of a product is guaranteed.

Abstract: A test system for a memory card includes a first circuit board. One side of the first circuit board is provided with a plurality of contact groups spaced apart from each other along a row direction. Another side of the first circuit board is provided with slots disposed along the row direction. The test system further includes a second circuit board. The second circuit board is provided with a test circuit, and is inserted into the slot along a direction perpendicular to the first circuit board. The second circuit board provides a test signal to the contact groups.

Abstract: Disclosed is a three-phase interleaved resonant converter, which includes a three-phase inversion circuit connected to an input voltage and including a first output node, a second output node, and a third output node, a three-phase transformer including three transformers, a three-phase resonant circuit including three resonant capacitors and three resonant inductors, and a three-phase rectifier filter circuit. One ends of the three resonant inductors are respectively connected to the first output node, the second output node and the third output node, and the other ends of the three resonant inductors are respectively connected to a triangular configuration formed by an alternate connection of the three resonant capacitors with primary windings of the three transformers.

Abstract: A method of optimizing delivery of a particle beam at a target is disclosed. The particle beam is delivered from an output device at a plurality of control points. In implementations, the method comprises delivering a substantially continuous particle beam about the plurality of control points, iteratively adjusting a delivery time of the substantially continuous particle beam about the plurality of control points, and processing to undertake at least one of (i) pre-defining energy layers based on one or both of the control points and a control point sampling frequency, or (ii) sorting the energy layers.