64results about How to "Reduce destructive effects" patented technology

The invention discloses a motion estimation method based on image features and three-dimensional information of a three-dimensional visual system. The method includes the first step of obtaining two-dimensional image information and space three-dimensional information corresponding to two-dimensional image pixels in real time on the basis of the three-dimensional visual system, the second step of controlling collection intervals between adjacent frames through the adoption of an adjacent frame sampling interval self-adaptive regulation method and automatically regulating the sampling intervals of the t+1 moment relative to the t moment according to the dot pair number of the effective matching image features between the frame at the t-1moment and the frame at the t moment, and the third step of synthesizing two-dimensional scene image features and three-dimensional point cloud information and carrying out three-dimensional motion estimation according to the matching point pair number of the current two-dimensional image features of the adjacent frames to obtain high-precision three-dimensional motion estimation. Through the method, on the basis of satisfying accuracy and reliability of the three-dimensional estimation, the calculated amount is effectively reduced, and the method has the advantages of being less in calculated amount, small in limitation to an application scene and the like.

Method for varying the power consumption of capacitive loads, in particular compact fluorescent lamps which are operated using a phase-gating dimmer by a converter (step-up converter). According to the invention, in the case of a nonconducting dimmer (i.e. no system power supply to the load), the switch (T1) in the converter (step-up converter) is closed. In the case of a conducting dimmer (i.e. when a system voltage is applied to the load), the step-up converter operation takes place until a predetermined maximum voltage is reached across the smoothing capacitor of the load.

The invention discloses a compressor and an impeller with big and small blades unevenly distributed along circumferential direction; wherein, the big blade of the impeller with big and small blades is unevenly distributed along circumferential direction, and the variation value of the distance in circumferential direction is equal to or less than ten percents. The invention is characterized in that: a small blade is arranged between the adjacent two big blades; the distance in circumferential direction between the small blade and the big blade near the side of the pressure surface of the small blade is equal to twenty-five percents to seventy percents of the distance in circumferential direction between the adjacent big blades. The invention has the advantages that when the rotor of the compressor is the impeller with big and small blades, the exciting force imposed on the downstream stator by the wake of the rotor blade is not periodical strictly, and the destructive influence of the downstream stator is less.

A thin film transistor substrate having a display region and a peripheral region, and the thin film transistor substrate includes a first substrate, scan lines, data lines, an insulating layer, first thin film transistors, at least one passivation layer and at least one gate driving circuit. The first substrate has an electrostatic protection area and a driving circuit area, and the electrostatic protection area and the driving circuit area are situated in the peripheral region. The scan lines, the data lines and the first thin film transistors are disposed in the display region. The insulating layer includes a gate insulator of the first thin film transistor, and the passivation layer is disposed on the insulating layer. The gate driving circuit is disposed in the driving circuit area. At least one of the passivation layer and the insulating layer are not disposed in the electrostatic protection area.

The invention relates to an emergency control method for a sewage treatment system for treating abnormal influent/effluent quality. The emergency control method comprises the steps of firstly, judging weather a sewage treatment plant is impacted by abnormal influent; secondly, judging weather an effluent quality index belongs to abnormal effluent; if detecting to find abnormal influent within a certain period of time, regulating an operation condition according to different exceeding conditions; if detecting to find abnormal effluent within a certain period of time, starting up emergency agent addition to improve the treatment effect in time. The method is realized according to the overall regulation thinking that the impact of influent impact to the sewage treatment system is reduced through regulating process control parameters when abnormal influent of a sewage plant appears, and the system function is restored in time through adding an emergency agent when abnormal influent of the sewage plant appears; in addition, the real-time control for front feed and back feed is realized by sufficiently utilizing online monitored data. The method is low in investment and capable of effectively handling the influent impact load, rapidly improving and restoring a system treatment effect, exerting the treatment capability of a sewage treatment facility to the maximum extent and increasing the rate of reaching the standard.

The invention provides a damping lamp base comprising a base body and a damping device connected to the base body. The damping device comprises a damping element disposed between the bottom of the base body and a lamp shell, a limit plate for sleeving the outside of the base body, a support, and an elastic hoop, wherein the support which supports the limit plate is used for fixing the limit plate on the lamp shell, and the elastic hoop for sleeving the outside of the base body is located between the limit plate and the outer surface of the base body. The invention further provides a damping lamp comprising the lamp shell, the damping lamp base installed inside the lamp shell, and a light source installed inside a base body of the damping lamp base. The damping element and the elastic hoop allow the base body and the light source to suffer less destructive influence of external vibration; the base body and the light source are protected; external vibration is reduced to the range acceptable to the base body and the light source; luminous effect of the lamp is improved, and the service lives of the base body and the light source are prolonged.

A method and apparatus are provided for processing a received pulsed-based ultra-wideband (UWB) signal before the signal is demodulated by an energy detection based receiver. A nonlinear signal processing unit contains one or multiple subunits, and each subunit consists of a nonlinear device and a filter. The nonlinear devices can be any devices that can shift signal, noise, and interference spectra in a nonlinear fashion, and include but are not limited to square law devices and Teager-Kaiser operators. By applying the nonlinear signal processing unit on the received UWB signal, a major part of the energy of noise and narrowband interferences is shifted to specific frequency ranges and then removed by the appropriate filter(s) in the nonlinear signal processing unit. Thus, the signal-to-noise-plus-interference ratio (SNIR) of the received UWB signal can be improved.

The invention discloses a large-scale damping electronic display screen with a dehumidifier and a temperature control air door. An air door on a lateral surface of a display screen is controlled by a sine wave thermal expander and is used for automatically controlling the opening degree and discharging heat according to the temperature variation; the dehumidifier is firmly integrated and fixed on a platform board of a damping platform; a base plate of the damping platform is connected with a lower frame of the large screen; the normal work of the display screen is ensured by damping; a plurality of magnets are arranged between the platform board of the damping platform and the base plate; a proper gap is reserved between the upper and lower magnets; the same magnetic poles can repel each other; the platform board of the damping platform and the base plate are in threaded shaft connection through the sine wave damper; a spring is arranged between the platform board of the damping platform and the base plate; the two ends are connected with a threaded shaft base disc; the threaded shaft is integrally cast with a rubber substrate through a knurling part connecting base disc; damping oil under a certain pressure is filled in an airtight chamber formed by a sine wave outline cylinder and the two end parts. The large-scale damping electronic display screen is simple in structure, practical and low in running cost. Excellent guarantee is supplied for the continuous stable work of the large-scale damping electronic display screen.

The invention belongs to the technical field of heat dissipation of energy storage systems, and discloses a battery heat dissipation structure, a battery cluster heat dissipation structure, a heat dissipation system and a heat dissipation method. The battery heat dissipation structure comprises an air inlet formed in one side wall of a battery module and an air outlet formed in the other side wall of the battery module, wherein one-way valves are arranged at the air inlet and the air outlet correspondingly, an exhaust pipeline is arranged on one side of the battery module, the air outlet is communicated with the exhaust pipeline, and a fan is arranged at the top of the exhaust pipeline. According to the invention, directional air flow of the module is realized, large-scale air flow in an area is avoided, the heat dissipation efficiency is improved, normal heat dissipation during battery operation is not influenced, and the problem that flue gas of battery thermal runaway is diffused to other connected modules is avoided.

The invention relates to a steel structure wind-resistant tower-type parachuting training device which comprises a main tower and at least one tower arm connected with the side edge of the main tower,and the main tower and the tower arm are both of a frame-shaped steel structure. The tower arms are evenly distributed on the periphery of the main tower. The tower crane further comprises a tractionmechanism arranged on the tower arm, and the traction mechanism is arranged at the front end of the tower arm. The traction mechanism comprises a traction rope, and the traction rope is directly andvertically led out downwards. Both the main tower and the tower arm adopt steel structures, and have the characteristics of high strength and good wind resistance. The tower arm and the main tower areconnected through the hinge, and the tower arm can be put down to the ground in severe weather, so that destructive influence of the severe weather on the structures of the main tower and the tower arm is reduced. The traction mechanism is directly arranged at the front end of the tower arm, structures such as pulleys are omitted, and safety and no accident are achieved. And the weather adaptability of the parachuting tower and the parachuting safety are improved by arranging the rotating part. And the arranged blower can avoid collision accidents. And an emergency rescue channel can be established by the arranged emergency rescue rope bag when a fault occurs.

The invention discloses a screw-conveying-taper-rotating-drum computer monitoring feeding walnut-pulp removing machine. A V-shaped pulp removing chamber is formed by an interval between two taper rotating drums which are arranged side by side and rotate in the same direction, a camera is arranged on a discharging opening in a roll differential twisting machine and used for providing feeding signals for a computer, the computer controls the rotating speed of a vibration motor to guarantee even best feeding, when walnuts fall into a V-shaped cavity between the two taper rotating drums, walnuts can gradually and linearly rotate in a speed-up mode under the effects of the gravity and the friction force of the two taper rotating drums and move towards the large ends of the two taper rotating drums, the line speed can be higher and higher, the walnuts centrifugally rotate in the extruding-completely-free state and the friction-damage-free state, and therefore it is achieved that centrifugal force is combined with the brushing effect of a soft brush to remove pulp. According to the original thinking of the screw-conveying-taper-rotating-drum computer monitoring feeding walnut-pulp removing machine, walnut-centrifuging-brushing pulp removing is carried out through the taper rotating drums implanted with fiber hair, pulp is thoroughly removed and completely free of damage; damping, buffering and vibration energy removing can be achieved through a sine-wave damping vibration attenuation device, and the service life of the device can be prolonged.

The invention discloses a taper rotary drum type walnut pulp removing and grading device with the rotating speed monitored by a computer. A V-shaped pulp removing chamber is formed by the gap between two taper rotary drums which are arranged side by side and rotate in the same direction, a camera is arranged on one side of the taper rotary drums to provide feeding signals for the computer, and the computer controls the rotating speed of a vibrating motor to ensure uniform and optimal feeding. When falling into the V-shaped cavity between the two taper rotary drums, walnuts can rotate in a linear speed gradually-increasing mode and move towards the large ends of the taper rotary drums under the action of gravity and the friction force of the two taper rotary drums, the linear speed can become higher and higher, the walnuts can rotate centrifugally in a completely squeezing-free and friction-damage-free state, and thus the effects of pulp removing and grading through the combination of centrifugal force and the brushing action of a soft brush can be achieved. According to the device, by adopting the creative thought of removing pulp of the walnuts in a centrifuging and brushing mode through the taper rotary drums with fiber bristles implanted, the pulp is thoroughly removed in a completely damage-free mode; a sine wave damping shock absorber is beneficial to absorbing shock, achieving buffering and eliminating vibration energy, and thus the service life of the device can be easily prolonged.

The invention discloses a slide-plate brushing buffer taper drum type computer speed-monitoring kiwi fruit fuzz removing device. The space between two taper drums arranged side by side forms a V-shaped fuzz removing chamber; a computer ensures that fuzz on the surface of kiwi fruits is optimally and uniformly removed by controlling the speed of the drum, accelerates to enhance the fuzz removing ability when fuzz residues are detected, and decelerates to avoid damage when fuzz is removed completely; when the kiwi fruits fall into the V-shaped chamber between the two taper drums, the kiwi fruits gradually and linearly accelerate to rotate under action of gravity and friction force of the two taper drums, and move to large ends of the taper drums; the linear speed becomes increasingly higher, so the kiwi fruits are centrifugally rotated without extrusion or frictional damage, so as to realize fuzz removal through combining centrifugal force with brushing effect of a soft brush. The invention originally creates an idea of using the taper drums implanted with fiber hair for centrifugally brushing the kiwi fruits to remove the fuzz, so as to completely remove the fuzz without damage; a sine wave damping shock absorber is beneficial for damping, buffering and eliminating the vibration energy, and is beneficial for improving the service life of the device.

The invention relates to a device for preventing respiratory infection of children patients in hospitals. The device comprises sound analysis equipment which is arranged in a monitoring area in a hospital and is used for analyzing each component of sound in the monitoring area to determine whether a component corresponding to cough sound exists or not and sending out a first driving command if thecomponent corresponding to the cough sound exists, otherwise sending out a second driving command; and the monitoring camera is arranged near the sound analysis equipment and is used for executing real-time image acquisition on the monitoring area when the first driving command is received so as to obtain a real-time monitoring image. The device for preventing the respiratory infection of the child patient in the hospital is easy to operate and direct in monitoring. Whether a hospital site has an inelegant spitting behavior or not is accurately determined in a sound analysis and image analysis linkage mode so as to reduce diffusion of viruses and bacteria, and therefore the site environment of the hospital is effectively maintained.

The present invention is directed to methods and compositions for alleviating tissue destructive effects associated with the inflammatory response to tissue injury in a mammal. The methods and compositions include administering a therapeutically effective concentration of a morphogen or morphogen-stimulating agent sufficient to alleviate immune cell-mediated tissue destruction.

The invention belongs to the technical field of disaster prevention and protection engineering of civil engineering, and provides an explosion-proof engineering structure for hazardous article storage. The explosion-proof engineering structure for hazardous article storage is provided with an explosion-proof wall, and the explosion-proof wall is of a continuous enclosing explosion-proof structure arranged on four sides of a hazardous article storehouse; the explosion-proof wall comprises at least two rectangular wall surfaces and corner wall surfaces; each rectangular wall surface is formed by splicing at least one layer of multiple rectangular wall bodies (1); the two adjacent rectangular wall bodies are connected into a whole by a corner wall surface (15); each rectangular wall body (1) is provided with multiple groups of round pressure relief holes (10); the bottom of the explosion-proof wall is installed on a groove-shaped substrate; and the explosion-proof wall is also provided with a safety door (11) through which vehicles and persons enter and exit and a management door (12). The explosion-proof engineering structure reduces the killing and damage effects of accidental explosion of ammunition depots, explosive hazardous article warehouses, oil depot and the like on outside personnel and buildings.

The invention discloses an auger delivery tapered rotary-drum computer monitoring feeding type walnut packaging machine with an outer pulp peeling function. A V-shaped pulp peeling chamber is formed between two tapered rotary drums which are arranged side by side and rotate in the same direction, a camera is arranged at a discharge outlet of a double-roller differential grinding machine to provide feeding signals for a computer, and the computer guarantees optimal and uniform feeding by controlling the rotating speed of a vibration motor; when walnuts fall into the V-shaped chamber between the two tapered rotary drums, walnuts rotate in a gradual and linear accelerating mode under gravity and the friction force of the two tapered rotary drums and move towards the large end of each tapered rotary drum, linear velocity becomes higher and higher, so that walnuts can rotate in a centrifugal mode at a completely squeeze-free and friction damage-free state, and then pulp peeling packaging can be achieved through combination of centrifugal force and brushing of a soft brush. According to the creative idea, centrifugal brushing is conducted on walnuts to remove pulp by means of the tapered rotary drums with fiber hair implanted inside, and pulp can be peeled off completely without damage caused; a sine wave damper is good for damping, buffering and vibration energy elimination, and the service life of a device can be prolonged.