47results about How to "Add dynamic effect" patented technology

The invention discloses an autokinetic seat for a 4D cinema, and aims at providing an autokinetic seat for a 4D cinema, which can move with multiple degrees of freedom and has better autokinetic effect. The autokinetic seat comprises a base, a seat body arranged at the upper part of the base, and six lifting devices connected between the base and the seat body, wherein one end of each lifting device is rotatably connected with the base and the other end is rotationally connected with the seat body, and the two adjacent lifting devices are alternatively arranged in a V shape and an inverse V shape. The invention can be used for various autokinetic cinemas.

The invention discloses a dynamic voltage regulator. The dynamic voltage regulator comprises a first switch tube, a first switch tube anti-parallel diode, a second switch tube, a second switch tube anti-parallel diode, an inductor, a super capacitor group and a controller, wherein the super capacitor group is used as an energy storage unit; and the inductor, the first switch tube, the first switchtube anti-parallel diode, the second switch tube and the second switch tube anti-parallel diode form a bidirectional DC/DC topological circuit for charging and discharging to realize bidirectional energy flow. When the voltage sag of a DC bus of a frequency converter is detected, the given formula is adopted to obtain a first drive signal and output the first drive signal to the first switch tube, and the on-off state of the first switch tube is controlled, so that the super capacitor group supplies power. The dynamic voltage regulator has simple structure, small volume and low cost.

The invention discloses a VSG (virtual synchronous generator) control method based on adaptive Terminal robust sliding mode. The VSG control method based on adaptive Terminal robust sliding mode includes the steps: enabling a distributed power supply with energy storage to be equivalent to a direct current voltage source so as to be taken as the prime mover portion of a virtual synchronous generator for supplying electric energy for the whole system; establishing the corresponding relationship between the inverter filtering parameters, the output voltage, the voltage and current of the point of common coupling and each parameter of the synchronous generator; considering a synchronous generator four-order model with an excitation system and valve adjustment to simulate the characteristics of the synchronous generator, and establishing a system mathematic model; according to the characteristics of two input variables of the system, determining two nonsingular Terminal sliding mode surfaces to realize decoupling control, and obtaining the control rule of the inverter based on Terminal robust sliding mode control; and after the control rule of the inverter is controlled through voltage and current double loop control, obtaining a driving signal of pulse width modulation (PWM) to control a DC/AC converter. The VSG control method based on adaptive Terminal robust sliding mode can significantly inhibit system oscillation, can improve stability of electric power system, and has good engineering application prospect.

The invention discloses a 5D (5-dimensional) dynamic chair with an extremely good dynamic effect. The 5D dynamic chair with the extremely good dynamic effect comprises a base, a main rotating motor, a first supporting plate, an electric control box, main lifting cylinders, a second supporting plate, auxiliary lifting cylinders, connecting frames, double-head telescopic cylinders, push cylinders, a seat supporting plate and a movable seat, wherein the main rotating motor is arranged on the base; the first supporting plate is fixed to the main rotating motor; the electric control box is fixedly arranged in the center of the first supporting plate; the main lifting cylinders are arranged on the first supporting plate; the second supporting plate is arranged on the main lifting cylinders; the auxiliary lifting cylinders are arranged on the second supporting plate; each connecting frame is connected with two double-head telescopic cylinders; the movable seat is placed on guide rails of a bottom plate of the seat supporting plate; the side plates of the seat supporting plate are provided with four push cylinders; the push cylinders are fixed behind the back of the movable seat. The 5D dynamic chair with the extremely good dynamic effect can be driven by a plurality of pieces of equipment, can move freely in a plurality of directions as required, and can meet the requirement on 5D showing of almost all films by matching corresponding specific equipment.

The invention provides a rotationally decoupling two-degree freedom leveling mechanism. The leveling mechanism comprises a fixed platform, a movable platform and three branches connected between the two platforms, wherein only one cross universal joint of the first branch is connected with the fixed and the movable platforms; a sliding pair between a rotating guide rail and a slide block in the second branch is a driving pair, the slide block moves linearly to drive a crank link to rotate, so as to further drive the movable platform to rotate around the axis of a rotating pair between the cross universal joint and the movable platform; and a sliding pair between a rotating guide rail and a slide block in the third branch is also a driving pair, and the slide block linearly moves to drive another crank link to rotate, so as to drive the movable platform to rotate around the axis of another rotating pair between the cross universal joint and the fixed platform. The rotationally decoupling two-degree freedom leveling mechanism has a simple structure; owing to complete decoupling of two rotation movements of the movable platform, the movement performance is favorable and the control is easy; the operating space is larger; the processing and assembling performance is good; and favorable practicability is achieved.

The invention discloses a charging system based on secondary control, which comprises a transformer, a rectifier device, a secondary rectifier switch transistor, a secondary synchronous rectifier auxiliary chip, a primary control chip and a primary switch transistor, wherein the secondary synchronous rectifier auxiliary chip controls opening and closing of the secondary rectifier switch transistor, detects output voltage and controls the secondary rectifier switch transistor to be opened when the output voltage drops and is smaller than a first reference voltage to enable an abrupt voltage to be generated at two ends of a secondary winding, and the abrupt voltage is fed back to an auxiliary winding; the primary control chip controls the primary switch transistor to be opened according to the abrupt voltage to enable the primary winding to be charged and controls the primary switch transistor to be closed when the voltage detected by a voltage detection end is larger than a second reference voltage to enable a primary winding to be discharged. The charging system can realize ultralow standby power consumption of the system and can also achieve effects of optimizing a system dynamic response. The invention also discloses a secondary control device for the charging system based on secondary control.

The invention relates to a vehicle-mounted DVD navigation audio-visual device for realizing audio frequency increasing, which is characterized in that: an ARM, a DSP and a digital power amplification module are arranged in the vehicle-mounted DVD navigation audio-visual device; the control end of the ARM is connected with the DSP; the DSP comprises an audio frequency increasing module and a clock circuit providing stable clock for the audio frequency increasing module; the PCM output end of the DSP is connected with the PCM input end of the digital power amplification module; and the PWM output end of the digital power amplification module is connected with a loudspeaker. The low sampling rate of an audio signal is increased to 24bit quantization accuracy 192KHz sampling rate, the dynamic effect of the sound is improved, and the distortion condition when the traditional equipment plays a weak signal is improved; meanwhile, the frequency increasing can also greatly reduce the distorsion and noise generated during digital-analog conversion.

A transmission mechanism for a dynamic ornament includes a housing including a base, a motor fixed to the base with a motor shaft extending therefrom, a transmission seat assembly fixed to the base and including a pair of first seats connected to the base, and a transmission device connected to the transmission seat assembly and including a sliding set and a gear set. The sliding set includes a pair of mating portions slidable along the first seats, a pair of connecting portions connecting with the mating portions, a pair of eccentrics and a transmission shaft connected between the eccentrics and rotatably connected to the transmission seat assembly. A mating hole is defined in each of the mating portions for rotatably receiving the eccentric therein. The gear set connects between the motor and the transmission shaft of the sliding set thereby driving the transmission shaft to rotate.

The invention discloses a multipurpose intelligent LED lamp box which integrates with the functions of an advertising lamp box, an electronic clock, a picture frame and the like. The multipurpose intelligent LED lamp box comprises a base which is composed of a frame and a substrate. One surface of tempered glass is fixedly connected to the frame. A light guide plate is arranged in a cavity, between the tempered glass and the substrate, of the base. All LED light sources and a sensing probe arranged in the base are connected with a controller through a circuit. The controller is connected with a power source and controls the LED light sources to be turned on/off according to an input signal of the sensing probe. The brightness value of the LED light sources can be automatically adjusted according to preset programs or environmental changes. The multipurpose intelligent LED lamp box can be widely used for releasing advertisements at important positions of various consumption places. Besides, the multipurpose intelligent LED lamp box integrates with the functions of a poster, a clock, a decorative picture and the like, is environmentally friendly and saves energy.

The invention discloses a dynamic voltage regulator, a controller and a dynamic voltage regulation method. The dynamic voltage regulator comprises a first switch transistor, a first switch transistorantiparallel diode, a second switch transistor, a second switch transistor antiparallel diode, an inductor, a supercapacitor group and the controller. The first switch transistor and the first switchtransistor antiparallel diode are connected in parallel. The second switch transistor and the second switch transistor antiparallel diode are connected in parallel. The supercapacitor group is taken as an energy storage unit. The inductor, the first switch transistor, the antiparallel diode thereof, the second switch transistor, and the antiparallel diode thereof form a bidirectional DC/DC topology circuit for charge/discharge, and bidirectional energy flow is realized. In the mode, the dynamic voltage regulator is simple in structure, small in size and low in cost.

The invention relates to a stage lamp projection structure with an animation effect, comprising a light source and an image system, wherein an animation generation system is arranged between the lightsource and the image system and is formed by a fixed frame, a pattern disc and a rotating component; the pattern disc and the rotating component are fixed at a position between the light source and the image system by the fixed frame, the pattern disc is formed by rotary members of a plurality of photoemission patterns, the rotating component is a driving mechanism for driving the pattern disc torotate, and when the rotating components drives the pattern disc to rotate, the photoemission patterns sequentially pass the position of ejection path of light of a light source, so that the photoemission patterns form the projection with an animation effect under the action of projection of the light source and the image system.

The invention provides electronic equipment. The electronic equipment comprises a first display screen, a transmission assembly and at least two second display screen, wherein the first display screencomprises a first surface and a second surface, the second surface deviates from the first surface, the at least two second display screens are connected with the transmission assembly, the transmission assembly can drive the at least two second display screen to move between a first position and a second position, the at least two second display screens are at least partially arranged in projection of the first display screen along a vertical line direction of the second surface when the at least two second display screens are arranged at the first position, and the at least two second display screen are arranged at an outer side of the first display screen and are contacted with peripheral wall of the first display screen when the at least two second display screens are arranged at thesecond position. With the electronic equipment provided by the technical scheme, the problems of simple structure and relatively small size of the display screen structure of existing electronic equipment are solved.

A spring dynamic process device comprises a spring, square spring openings, a spring buckle piece, a spring buckle opening, an adhesive layer, a sleeving position and a sleeving opening. The spring dynamic process device is characterized in that the square spring openings are arranged on the two ends of the spring, the spring buckle piece is provided with the sleeving position and the sleeving opening, the square spring openings on the spring are buckled or sleeved with the spring buckle piece by the sleeving opening on the spring buckle piece. The spring dynamic process device not only has the down pressure rebound function like a sponge rubber (foam rubber), but also has the dynamic effect that the device is not easy to fall off and vertically pull down when in use.

The invention provides a self-pumping hydrodynamic pressure fingertip sealing device which has hydrodynamic pressure and sealing ability in a running state and has the low leakage rate in a stopped state, so as to overcome the deficiency of the high leakage rate or the great abrasion loss caused by the fingertip sealing retardation effect and poor rotor precession adaptability. The self-pumping hydrodynamic pressure fingertip sealing device consists of a rear baffle, a low-pressure fingertip sealing sheet, a high-pressure fingertip beam with a fingertip boot, and a rotor; the high-pressure fingertip beam with the fingertip boot, the low-pressure fingertip sealing sheet and the rear baffle are stacked from high pressure to low pressure side sequentially and are connected through rivets so as to form a ring which sleeves the rotor; the fingertip boot and the rotor form a sealing interface; a drainage hole and an internal ring groove are formed in the fingertip boot; a spiral groove is formed in the surface part of the rotor; the drainage hole communicates with the internal ring groove; the spiral groove and the internal ring groove are opposite in the radial direction; and when the rotor rotates, a fluid on the high pressure side is pumped to the sealing interface via the drainage hole, the internal ring groove and the spiral groove so as to form hydrodynamic pressure to push the fingertip boot away, thereby avoiding frictional wear between a fingertip and the rotor.

The invention relates to a display system for planar design. The display system comprises a box body; a plurality of motors are arranged in the box body; barrel bodies are fixed to output shafts of the motors in a sleeving manner; the outer circumference of each barrel body fixedly connected with one end of a curved rod; a sliding block is fixed to the other end of each curved rod; the side edge of each sliding block is provided with a vertically placed rotating shaft; each rotating shaft is erected on the inner wall of the box body through a bearing; a cam is arranged in the circumferential direction of each rotating shaft; each cam comprises a semicircular plate body; the plane end of each semicircular plate body in the circumferential direction is fixedly connected with each rotating shaft; a sliding groove is formed in the curved surface end of each semicircular plate body in the circumferential direction; a sliding block is clamped in each sliding groove; a horizontally placed transmission rod body is further fixed in the circumferential direction of each rotating shaft; a supporting rod I is vertically fixed to one end, deviating from each rotating shaft, of each transmissionrod body; and a fixing device used for placing a planar design work is arranged at the tail end, deviating from each transmission rod body, of each supporting rod I after the supporting rod I penetrates out of the box body. According to the display system, the layering sense and the dynamic effect in display are good, the interest of a viewer can be quickly attracted, and the display system is high in practicability and worthy of popularization.

The invention discloses a projection device which comprises a lantern body and a projector arranged on a central shaft in the lantern body. A rotating motor capable of driving the projector to rotateis arranged between the top of the lantern body and the projector, the projector is arranged on a motor shaft of the rotating motor, a multidirectional projection mechanism capable of refracting a picture projected by the projector onto the lantern body is arranged below a lens of the projector, and a focus adjusting device capable of adjusting the picture projected by the projector is arranged between the projector and the multidirectional projection mechanism. The projection device is simple in structure.

The invention relates to the technical field of display devices, in particular to a drawing curtain hidden type display device. The drawing curtain hidden type display device comprises a supporting frame and a plurality of main display screens fixed to the supporting frame through bolts, sliding guide rails are fixed to the two sides of the supporting frame through bolts correspondingly, the sliding guide rails on the two sides of the supporting frame are sleeved with sliding frames correspondingly, a telescopic display carrier is arranged on one sides of the sliding frames, a driving mechanism is arranged between the sliding frames and the supporting frame, the sliding frames are connected with the supporting frame through the driving mechanism, auxiliary display screens are arranged on one sides of the sliding guide rails correspondingly, auxiliary mechanisms are arranged between the auxiliary display screens and the supporting frame, and the sliding guide rails are connected with the supporting frame through the auxiliary mechanisms. The invention provides a drawing curtain hidden type display device which is convenient to control, good in dynamic effect, capable of avoiding influence of maintenance on display, high in stability, high in automation degree and good in protection effect, and is used for overcoming the defects in the prior art.

The invention discloses an adjustable camera stand for dual cameras and a dual-camera animated picture shooting device and relates to the field of shooting equipment. The adjustable camera stand is used for fixing the dual cameras, and comprises a base, a visual angle correcting mechanism and two camera body bases. The two camera body bases are fixed to the base and used for being fixedly connected with camera bodies. The visual angle correcting mechanism is used for driving lenses of the two cameras to rotate relative to the base so that the visual angles of the two cameras can be adjusted. The dual-camera animated picture shooting device comprises the adjustable camera stand, a shutter controller and the two cameras. The two cameras are both fixed to the adjustable camera stand. The visual angle correcting mechanism is connected with the lenses of the two cameras. The shutter controller controls shutters of the two cameras to be triggered simultaneously. The adjustable camera stand is used for shooting of animated pictures through the two cameras, and the dual-camera animated picture shooting device is high in picture definition, high in percent of pass, and convenient and easy to operate.

The invention provides a mark generation method and device and an object display method and device. The mark generation method comprises the steps of generating and storing augmented reality resources of a preset object; determining a target object included in the object order, and determining a storage address of augmented reality resources of the target object; and according to the storage address of the augmented reality resource of the target object, generating a preset trigger mark corresponding to the object order, wherein the preset trigger mark is used for indicating the client to display an augmented reality image of the target object based on the preset trigger mark. Thus, after the user obtains the target object and generates the object order, the augmented reality resources and the target object obtained by the user can be fused, the stereoscopic impression of the target object is created, the dynamic effect of the target object is improved, the display content of the target object is enriched, and the interest and experience of the user in the obtained object are improved.

The invention discloses a model prediction method, system and device with a multi-level inverter and a storage medium, and belongs to the technical field of micro-grids. A flexible reference current calculation module can provide unbalance and harmonic current required by a load, the reference current is calculated from each component of the power grid voltage, all the calculations are carried outin a static coordinate system, and a phase-locked loop is not required to be applied, so that the control method is simpler and easier to implement; and the model prediction control algorithm modulecan track multi-frequency reference current, does not need any modulation mode, not only can realize multi-target control, but also has faster transient response and higher stability margin. Under different micro-grid conditions, the control method can suppress active power oscillation of the system to a certain extent and maintain stable and efficient operation of the system, so that the model prediction system has certain universality and practicability.

The invention discloses an underwater LED rotating lamp. The underwater LED rotating lamp comprises a tube, wherein a transparent cover is arranged on the top part of the tube; an inner tube is mounted in the tube; a lamp plate is arranged at the inner top part of the inner tube; a plurality of LED lamps are arranged on the lamp plate; a battery is arranged at the inner bottom part of the inner tube and are electrically connected to the LED lamps; the tube is mounted on a gear mechanism; a driving mechanism is arranged at the upper part of the gear mechanism; the driving mechanism comprises adriving motor; a driving shaft is arranged at the lower part of the driving motor; the gear mechanism comprises a bottom plate on which a positioning tube is arranged; a driven gear sleeves the peripheral surface of the positioning tube; and the upper end of the positioning tube is mounted at the bottom part of the base. According to the underwater LED rotating lamp, the tube and the inner tube can be conveniently horizontally rotatably adjusted, so that the LED lamps can be horizontally rotatably adjusted, and as a result, the dynamic effect of rotatably adjusting and operating the LED rotating lamp can be greatly improved.

The invention relates to an audio-video display controller, which comprises a main control processor, a playing controller, a storage device and a first storage device, wherein the main control processor is in communication connection with the playing controller, the storage device is electrically connected with a corresponding connecting end of the playing controller, and the first storage device is electrically connected with the corresponding connecting end of the main control processor. The audio-video display controller is matched with a movable stream-media propaganda platform to use and matched with the audio-video display content so as to collectively spread the information, the coordination of the display of the audio-video content and the media movement step can be guaranteed through the high-precision automatic control technology, the virtual-reality interaction can be realized, and the information dynamic property can be enhanced.