13results about How to "Reduced space requirements" patented technology

The utility model relates to the technical field of VR terminals, in particular to a rotary interactive terminal of VR software, which comprises a base, a base is fixed at the center of the upper part of the base, a bottom column is arranged in the base, a center table is fixed at the upper end of the bottom column, a bearing is assembled and fixed at the upper end of the center table, and a rotating shaft is fixed at the lower end of the center table. The inner ring wall of the bearing is in interference fit with a shaft rod perpendicular to the horizontal plane, a shell is arranged outside the center table, the surface of the shaft rod and the inner wall of the shell are fixedly assembled through a plurality of evenly-distributed supports, and a rotating handle fixedly penetrates through the upper end of the shell and is perpendicular to the top of the shell. Through the design of the rotating handle, a user can directly perform rotation operation similar to a steering wheel without body rotation or dependence on a handle or gestures, the space requirement and collision risk in VR experience are reduced, the VR interaction device is particularly suitable for being used in a limited space, meanwhile, rotating interaction more conforms to intuition, and the operation efficiency is higher.

The utility model discloses a frame-type intelligent circuit breaker, which comprises a circuit breaker main body, the bottom of the circuit breaker main body is movably connected with a frame-type shell, the top of the frame-type shell is provided with two connecting assemblies used for quickly disassembling the circuit breaker main body, and the two sides of the frame-type shell are fixedly connected with a connecting plate respectively. The frame-type intelligent circuit breaker comprises two connecting plates, one end of each connecting plate is fixedly connected with a mounting plate, two sides of each mounting plate are fixedly connected with a first clamping plate, one end of each mounting plate is movably connected with a bolt, and one end of each bolt is in threaded connection with a nut. The problems existing in the aspects of maintenance, disassembly and heat dissipation of an existing circuit breaker are solved, and the working efficiency of the circuit breaker is greatly improved.

This application provides a power module and an electrical device. The power module includes a battery cell and a circuit board electrically connected to the battery cell. A number of the battery cell is one. The battery cell is configured to feed a first voltage to the circuit board. The battery cell includes a housing and an electrode assembly disposed in the housing. The circuit board includes a buck-boost circuit and at least two output terminals. The buck-boost circuit is configured to receive the first voltage and step up or step down the first voltage, so as to output at least two different second voltages to the at least two output terminals respectively. Each of the output terminals is configured to feed one of the second voltages to a drive circuit in a load electrically connected to the output terminal. Therefore, by outputting different second voltages through a single battery cell, the power module saves the manufacturing cost of the power module and increases the energy density of the power module.

The invention relates to a semiconductor switching device (1), comprising a switchable power semiconductor (T 2 ) and at least one regulating circuit (RS 1 , R.S. 2 ), the regulation circuit includes a current sink (S 1 , S 2 ) and the current amplifier (V 1 , V 2 ). Current sink (S 1 , S 2 ) through the adjustment capacitor (C 1 ) and power semiconductors (T 2 ) is capacitively coupled to the collector / drain of the MOSFET and is designed to derive the current flowing through the regulating capacitor (C 1 ) of the current until the maximum current that can be set. Current amplifier (V 1 , V 2 ) on the input side and the current sink (S 1 , S 2 ) and the regulating capacitor (C 1 ) is connected to the end of the capacitive coupling and is connected to a positive or negative supply voltage and to a power semiconductor (T 2 ) is connected to the control electrode and is designed to amplify the current flowing through the regulating capacitor (C 1 ) of the current not flowing through the current sink (S 1 , S 2 ) and conducts the partial current into the control electrode of the power semiconductor (T2), so that the partial current in the power semiconductor (T2) is offset during the switching process. 2 ) on the collector-emitter-path or on the drain-source-path. In order to improve the semiconductor switching device (1), it is proposed that the semiconductor switching device (1) also has an additional circuit (1.1) for adaptive switching transition, which is connected to the power semiconductor (T 2 ) and the additional circuit is designed to, when the collector-emitter-path or the drain-source-path of the power semiconductor is switched from a blocked state to a conducting state, the power semiconductor (T 2 )’s collector voltage or drain voltage.

This invention proposes a large-scale vertical motor thrust head and lubrication and cooling system based on phase change self-circulation, belonging to the field of vertical motor lubrication and cooling technology. It solves the problems of complex installation, high water consumption, high leakage risk, and high cost inherent in existing large-scale vertical motor thrust and guide bearing lubrication and cooling systems. The guide bearing is assembled and installed on the inner wall of the base and outer cover assembly, while the thrust bearing is assembled and installed at the bottom inside the base and outer cover assembly. The lower end face of the thrust head fits into the thrust bearing assembly to form a thrust sliding pair, and its lateral outer circular surface contacts the guide bearing assembly to form a guide sliding pair. The inner hole of the thrust head is connected to the main shaft and rotates synchronously with the main shaft. Phase change material fills the internal cavity of the thrust head, and a spiral finned cooler communicates with the internal cavity of the thrust head. This invention combines the phase change heat transfer characteristics of the phase change material to achieve a self-cooling cycle without external cooling water and power, simplifying the equipment structure, reducing operating costs, and improving system stability and service life.

The utility model relates to the technical field of electronic components, in particular to a low-power pulse transformer and a charger, the transformer comprises a magnetic core assembly and a bowl-shaped plastic shell, the magnetic core assembly is fixedly installed inside the plastic shell, and metal pins are fixedly installed on the horizontal outer side of the face, provided with an opening, of the plastic shell; the magnetic core assembly comprises a circular-ring-shaped framework, a coil with a lead, a first magnetic core and a second magnetic core, the center of one face of the first magnetic core and the center of one face of the second magnetic core are provided with cylindrical protruding parts matched with an inner ring of the framework in size, the coil is wound on the outer ring surface of the framework, and the framework is arranged between the first magnetic core and the second magnetic core. The protruding part of the first magnetic core and the protruding part of the second magnetic core are both located in the inner ring of the framework, the mutual contact faces of the protruding part of the first magnetic core and the protruding part of the second magnetic core are connected through an adhesive, and leads of the coil are welded to the corresponding metal pins. The transformer is high in installation efficiency, high in reliability and small in occupied space of a circuit board.

The present application discloses a variable pressure expander, a compressed air energy storage expansion system and a control method, wherein the variable pressure expander comprises: an inner casing, which comprises an inlet and an outlet, and the inner wall of the inner casing is provided with a plurality of stationary blades evenly distributed along its axial direction; a rotating shaft, which is rotatably arranged on the inner axis of the inner casing, and the outer wall of the rotating shaft is provided with a plurality of moving blades evenly distributed along its axial direction, and the plurality of stationary blades and the plurality of moving blades are staggered, and the adjacent stationary blades and the moving blades form a group of blade stages, and the adjacent blade stages are provided with blade stage gaps. The variable pressure expander of the present application is provided with a plurality of bypass pipes to eliminate the adverse effects of changes in volume flow caused by large fluctuations in intake pressure; when the intake pressure drops, the bypass is performed step by step, which not only ensures that the flow of gas between the blades can meet the requirements, but also ensures that the stages not bypassed always run in the high-efficiency zone, thereby improving the efficiency of the whole machine.

A detection system includes a detectable member disposed on a movable member that is configured to be displaced in response to a user operation in playing a piece of music, and a signal generator including a first coil configured to generate a magnetic field, the signal generator being configured to generate a detection signal dependent on a distance between the detectable member and the first coil, in which the detectable member includes a flexible base fixed to the movable member, and a second coil disposed on the base.

The application discloses a test device and a battery production line, and relates to the technical field of batteries, wherein the test device comprises two electrodes, a bearing part and a driving system, the two electrodes are oppositely and spacedly arranged in a first direction, and are used to correspond to the inner side and the outer side of a to-be-tested box wall of a box body, one of the two electrodes is arranged as a local electrode, and the area of the local electrode can correspond to the area of a plurality of local areas of the to-be-tested box wall; the bearing part is used to bear the box body, at least one of the bearing part and the local electrode is movably arranged, so that the local electrode can correspond to the plurality of local areas of the to-be-tested box wall; the driving system drives the local electrode and / or the bearing part; when the local electrode moves to a local area of the to-be-tested box wall in which insulation withstand voltage failure occurs, the two electrodes are coupled to form a closed loop. The technical scheme provided by the application can identify the local area of the to-be-tested box wall in which insulation withstand voltage failure occurs through the movement of the local electrode relative to the to-be-tested box wall, and the compatibility is relatively high.

The utility model discloses a double X -axis engraving and milling machine with double four -axis linkage structure, including by the main part of engraving and milling machine, and in the main part of engraving and milling machine one side sets up the equipment main part of double four -axis station subassembly constitution, double four -axis station subassembly includes parallel alignment and set up's first four -axis main part and second four -axis main part, and is equipped with the docking slide for the cooperation processing product in the processing head opposite side of first four -axis main part and second four -axis main part, and the tail of first four -axis main part and second four -axis main part is connected with linkage subassembly, and linkage subassembly includes the linkage board of two ends respectively with the tail of first four -axis main part and second four -axis main part is connected, and with the vertical connection of linkage board's connecting rod, and the other end of connecting rod is equipped with driving arrangement, and linkage board passes through the cooperation of driving arrangement and connecting rod, makes first four -axis main part and second four -axis main part synchronous action. The utility model has solved the problem that single engraving and milling machine lacks double -shaft station (or more shaft) synchronous processing structure in prior art.

The utility model discloses a kind of mould locking pressurizing hydraulic circuit and die-casting machine, it is related to die-casting equipment technical field, including oil supply device, oil tank, pressurizing cylinder and mould locking cylinder;Pressurizing cylinder includes pressurizing oil inlet chamber, pressurizing oil return chamber and pressure building chamber;Oil supply device supplies oil to pressurizing oil inlet chamber and pressure building chamber, loop between pressurizing oil inlet chamber and pressure building chamber is equipped with first check valve;Pressure building chamber is communicated with mould locking cylinder rodless chamber;Pressurizing oil return chamber is communicated with oil tank, and oil passage between pressurizing oil return chamber and oil tank is equipped with first reversing valve;When the pressure of pressure building chamber reaches first pressure threshold, first reversing valve is powered to control the oil liquid of pressurizing oil return chamber flows into oil tank, so that the pressure of pressurizing oil inlet chamber is greater than the pressure of pressurizing oil return chamber, so that pressurizing piston rod is pressed into mould locking cylinder rodless chamber with the hydraulic oil of pressure building chamber.The scheme cancels accumulator, improves the pressure of mould locking cylinder under the precondition of not increasing system complexity and space requirement, can reduce cylinder diameter, reduce manufacturing and maintenance cost.

The utility model discloses a kind of heating and refrigeration dual-purpose oil cooling control system pry body equipment, including hot oil side system, desalted water water replenishment side system, desalted water side system, heating and refrigeration side system, cooling tower system and intelligent control cabinet.Hot oil side system exchanges heat by full-welded plate heat exchanger;Desalted water side system is switched by desalted water internal circulation pump and cooling tower circulation pump, and cooperation electric regulating valve realizes winter heating and summer refrigeration mode;Heating and refrigeration side is by multiple sets of coil fan to indoor delivery heat or cold quantity;Intelligent control cabinet integrated control entire system operation.The utility model realizes the integration of all-year heating and refrigeration function, with the advantages of energy-efficient, control accurate, stable and reliable operation, small footprint and easy to install and maintain.

The invention discloses an air conditioner structure and an automobile, and relates to the technical field of automobile air conditioners, the air conditioner structure is used for the automobile, the air conditioner structure further comprises an air conditioner shell, a temperature control air guide structure and a filtering structure, the air conditioner shell comprises a mounting cavity and a side wall structure, and the side wall structure comprises a first side end part, a second side end part and two third side end parts; the first side end part and the second side end part are respectively arranged corresponding to the front-back direction of the automobile, the two third side end parts are respectively arranged corresponding to the left-right rudder direction of the automobile, and the temperature control air guide structure is arranged in the mounting cavity; according to the technical scheme, the middle air conditioner structure is adopted, it is guaranteed that the filter element can be taken and placed from the two sides of the air conditioner structure without modifying an air conditioner shell of a left-rudder and right-rudder vehicle model, the problem that the middle air conditioner pipeline layout affects taking and placing of the large filter element can be solved, and the space requirement and limitation of the filter element taking and placing space on an instrument board are greatly reduced; and the reasonability and compactness of the layout and the modeling of the instrument board are improved.