128results about How to "Improve complex structure" patented technology

The invention provides a photovoltaic generator of plane network support two-dimension sun track, belonging to the technical field of solar-energy photovoltaic generation. The invention comprises a solar-energy photovoltaic generator and a sun tracker, wherein the sun tracker is a two-dimension track device, which comprises a horizontal rotary support, an inclined swing support, a vertical fixed shaft, a horizontal shaft, a sun direction track driver, and a sun altitude angle track driver. The solar-energy photovoltaic generator can be provided with a condenser and a self heat radiation in disc or groove shape while a plurality of photovoltaic generators are mounted on a plane network support of the inclined swing support. The horizontal rotary support rotates around the vertical fixed shaft. The inclined swing support rotates around the horizontal shaft. Therefore, the normal line of the photoelectric battery plate of the solar-energy photovoltaic generator is toward sun all the time. The invention has stable structure, small drive force, multiple load of elements, saved track cost, improved condense ratio caused by the utilization of condenser and self heat radiator, and improved generating efficiency.

A method for operating an active steering system of a motor vehicle 1 of the present disclosure may include the following steps of determining the driving state of the motor vehicle 1; determining the steering wheel angle (3) of a steering wheel (2) of the motor vehicle 1; determining the steering angle; determining an instant driver angle; determining the respective angle deviation, and calculating the correction angle of the steering wheel angle (3). Further, the present invention relates to the active steering system for the motor vehicle 1 and the motor vehicle 1 possessing the steering system.

The invention relates to a new concept aircraft, which is capable of vertically taking off and landing, and flying with a high speed. The profile of a fuselage is similar with the profile of a common fixed wing airplane, the rear part of the fuselage is composed of 2-4 turnable bearing structures, the turnable bearing structures and a longitudinal shaft of front fuselages (which comprises left and right fuselages with a double fuselage layout) are combined as one body on a coaxial line when in a level flight state, the aircraft is transferred to a vertical state while landing, the bearing structure of the rear part of the fuselage enables vertical turnover along a direction perpendicular to the longitudinal shaft, then the airplane is taken off in a tailstock mode, meanwhile the supporting structures of the main wing outer ends at two sides of the airplane can contact to a group/warship surface, a rear fuselage bearing structure tail and the landing plane/warship surface form a large contact/support plane basically perpendicular to the longitudinal shaft of the fuselage, thereby a plurality of supporting structures can support the vertical front fuselage on each direction on a horizontal plane during the tailstock of the aircraft; and the process is opposite during the taking off of the aircraft. In a figure, the dotted line expresses the rear fuselage while stopping.

The invention discloses a method, a device and a system for detecting defects of a liquid crystal screen, relates to the technical field of detection, and aiming at solving the problem of improving the detection accuracy on the premise that the structure complexity is not added. The system comprises a center controller, a camera, a screen control panel, a liquid crystal screen, a light source control panel and a full-color backlight source, wherein the center controller is used for transmitting a screen control signal, determining an optimal light color of the full-color backlight source according to the screen control signal, generating a color control signal according to the optimal light color and transmitting the color control signal to the light source control panel; the full-color backlight source is connected with the light source control panel, and is used for receiving a light source display signal and converting colors of the full-color backlight source according to the light source display signal; and the center controller is used for detecting whether the screen image has a defect or not. The method, device and system are mainly applied to the process of detecting liquid crystal screen defects.

A dot projector with automatic power control includes a housing covering a substrate with an installing space and a platform therein, an automatic power control integrated circuit, a photodiode and a reflector disposed under the platform of the housing, a collimator disposed in the installing space of the housing and a diffractive optical element bonded on the platform of the housing. Whereby a laser diode emits a laser light to the reflector for the laser light to be reflected perpendicularly through the collimator to the diffractive optical element; then the diffractive optical element produces a plurality of light spots and the a stray light is also produced from the laser light. The photodiode of the automatic power control integrated circuit then detects the stray light and produces a feedback signal transmitted back to the laser diode for adjustment of the laser emission power in order to control the light spots produced by the diffractive optical element.

The invention discloses an intelligent floor sweeping robot system which comprises a floor sweeping robot module, a server and a terminal. The floor sweeping robot module comprises a processor which is connected with a dust mite monitoring module, a sweeping power module, a sensor module, an ultrasonic detection module, a positioning system, a video monitoring module, a traveling module and a communication module, and the server is used for information interaction between the floor sweeping robot module and the corresponding terminal and processing information transmitted by the terminal and the floor sweeping robot module. The intelligent floor sweeping robot system correlates a floor sweeping robot with the terminal without excessively increasing structural complexity and cost of the floor sweeping robot, transmits the information between the corresponding terminal and the floor sweeping robot and is convenient and quick.

A performance of a display device having an input device is improved. A display device includes: an electro-optical layer; a first driving electrode and a second driving electrode which drives the electro-optical layer; a driver chip which outputs a video signal; a switch circuit which is arranged outside the driver chip, which selects a potential to be supplied to the second driving electrode, and which includes a first switch element and a second switch element; a shift register circuit connected to the switch circuit; and a detection circuit which detects that an object is close or in contact. Each of the first switch element and the second switch element is selectively turned ON or OFF by the shift register circuit. The detection circuit is electrically connected to the first switch element and the second switch element.

The invention provides a center staged combustion chamber based on self-excitation sweeping oscillation fuel nozzles. The center staged combustion chamber based on the self-excitation sweeping oscillation fuel nozzles comprises an outer shell, a main combustion stage and a pre-combustion stage, wherein a cavity is formed in the outer shell; the main combustion stage and the outer shell are coaxially arranged; and the pre-combustion stage and the outer shell are coaxially arranged. An annular fuel oil channel is used for being connected with the multiple self-excitation sweeping oscillation fuel oil nozzles, and the self-excitation sweeping oscillation fuel oil nozzles are suitable for spraying oscillation oil liquid to a first-stage rotational flow channel. Fuel oil is output in a fan shape through the self-excitation sweeping oscillation fuel oil nozzles and is dispersed by rotating incoming flow passing through the rotational flow channel, so that the atomization performance and the space distribution uniformity of the fuel oil can be greatly improved. Meanwhile, the annular fuel oil channel is further formed in the main body part of the main combustion stage, and the fuel oil channel is connected with an oil conveying pipe and communicates with the self-excitation sweeping oscillation fuel oil nozzles, so that the compact and miniaturized structural design is achieved.

The invention discloses an industrial robot collision detection method. The method comprises the steps that the collision detection method based on the moment difference is adopted, the prediction torque of each joint is predicted in real time in the operation process of a robot, and the difference value between the prediction torque and the actual noise reduction moment is calculated. According to the method, the hysteresis time of the actual noise reduction moment of each joint relative to the predicted moment is accurately calculated by applying a method for calculating correlation values of the predicted torque and the actual noise reduction moment, so that the predication moment of each joint is subjected to delay treatment, so that the error of the moment difference of the predication moment and the actual noise reduction moment is smaller, the collision threshold value is reduced, and the sensitivity of collision detection is improved.

A heat dissipation structure includes a circuit board that is disposed inside an outer casing having a chassis formed with air inlet holes, and in which a first electronic component generating heat when driven and a second electronic component not generating heat when driven are mounted on one surface of a base plate, and a heat sink that releases the heat generated in the first electronic component. Here, in the heat sink, a heat dissipation unit positioned facing the base plate, an eaves portion protruding from the heat dissipation unit, and a pair of enclosing portions protruding from ends of the eaves portion in a direction perpendicular to a protruding direction from the heat dissipation unit, and at least one of the air inlet holes is formed in a position facing the eaves portion.

The invention belongs to the technical field of micro-electro-mechanical system (MEMS) high-temperature pressure sensing, and relates to an optical fiber F-P (Fabry-Perot interferometer) cavity pressure sensor temperature compensation method. For the problem of temperature drift which causes measurement error of an optical fiber F-P cavity pressure sensor, the method utilizes the unutilized structure of the sensor itself and signals existing in the measurement process but filtered out as interference signals, and eliminates temperature factors in the measurement process through a subsequent temperature compensation algorithm; and such temperature compensation algorithm can achieve purposes of reducing structure complexity of the sensor and achieving temperature compensation through a simplest and most efficient method.

The invention discloses a zero-refractive-index-material-based compact high-directionality planar antenna working at the frequency of 6 GHz. The planar antenna comprises a circular microstrip paster antenna and a zero-refractive-index planar lens. The circular microstrip paster antenna employs a coaxial feed way; the planar lens is arranged right in front of the antenna radiation direction and is formed by superposition of four circular thin dielectric layers at an interval of four millimeters; and magnetic resonance units with identical dimensions are distributed on surfaces of all dielectric plates in a periodic mode, wherein the magnetic resonance units have open resonant ring structures. An electromagnetic wave of antenna radiation is emitted in a similar plane wave mode based on the effect of the lens, thereby improving directionality. According to the invention, the planar antenna can be designed and processed simply. A novel artificial electromagnetic material is used for improving directionality of the microstrip paster antenna and the effect is good. Therefore, the zero-refractive-index-material-based compact high-directionality planar antenna has the broad application prospects in the directional antenna and wireless communication fields.

The invention provides a prototype gear and a measurement method of the prototype gear. The prototype gear comprises two half tooth prototype gears, gear teeth of which are unilateral tooth surfaces; the half tooth prototype gears are coaxially arranged and are matched with each other to form a full tooth prototype gear; one of the two half tooth prototype gears is a fixed half tooth prototype gear which is fixedly connected with a shaft; the other half tooth prototype gear is a movable half tooth prototype gear which is connected with a shaft sleeve; a relative micro angular momentum is formed between the fixed half tooth prototype gear and the movable half tooth prototype gear. During measurement, when the fixed half tooth prototype gear is in single-surface meshed transmission with one gear surface of a product gear, the movable half tooth prototype gear keeps micro force contact with the other gear surface of the product gear under the action of a micro torque. According to a non-backlash transmission theory of a gear pair and the measured relative angular momentum between the fixed half tooth prototype gear and the movable half tooth prototype gear, a tangential comprehensive deviation and a radial comprehensive deviation of the two gear tooth surfaces can be acquired through a single surface mesh measurement; the prototype gear has the advantages of high measuring precision and reliability in results; and measuring efficiency is obviously improved, and investment to measuring equipment is reduced.

The invention belongs to the field of gravity measurement, and discloses a sea-air gravity disturbance horizontal component measurement error modulation method based on course tracking. According to the method, a course axis rotating mechanism with the function of keeping track of any course angle at 360 degrees is added to a strapdown gravimeter, so that the measurement error caused by the changeof the carrier motion direction can be eliminated, and the measurement accuracy of the gravity disturbance horizontal component can be improved. When a carrier moves from a stationary or mooring state to a surveying area, the rotating mechanism is locked, and the gravimeter follows the carrier to move relative to a navigation system to further enhance the observability of the system. After the carrier arrives at the surveying area, the rotating mechanism tracks a certain course angle until a measurement task ends, and finally, the linear drift of the measurement error of the gravity disturbance horizontal component is corrected according to gravity reference point information. According to the scheme of the invention, the influence of the carrier motion direction on the measurement of thegravity disturbance horizontal component can be eliminated under the premise of increasing the complexity of the system structure as low as possible, and the scheme of the invention has great significance for improving the measurement accuracy of the sea-air gravity disturbance horizontal component.

The invention relates to an experience type horizontal collision vibration energy collection device for teaching. The horizontal collision vibration energy collecting device comprises a U-shaped base,a piezoelectric cantilever beam, a U-shaped guide rail, a sliding block, a spring and a collision steel ball, one end of the piezoelectric cantilever beam is fixed to the U-shaped base, a mass blockadheres to the free end of the piezoelectric cantilever beam, and the U-shaped base and the U-shaped guide rail are oppositely and fixedly arranged; the collision mechanism-based vibration energy collection device for experience teaching can provide energy for low-power-consumption interaction equipment, is safe and efficient, does not cause environmental pollution, can promote popularization andapplication of the experience teaching equipment, and has a wide application prospect in the field of teaching equipment.

The invention relates to a method for simplifying an O-GalNAc glycosylation structure based on chemical reaction. The sialic acid at the tail end of O-GalNAc glycosylation greatly increases the structural complexity of glycosylation, the characteristic that sialic acid residues at the tail end of the glycosylation peptide fragment are prone to hydrolysis under acidic and heating conditions is utilized, and a certain proportion of organic acid is adopted as an acidic matrix, so that rapid hydrolysis of the sialic acid residues is achieved, the removal efficiency of the sialic acid residues reaches 95% or above, and the structural complexity of glycosylation is remarkably reduced. Moreover, the mass spectrum fragmentation efficiency and the detection sensitivity of the simplified O-GalNAc glycopeptide are more efficient, and the effect of the O-GalNAc glycopeptide is remarkably superior to that of currently commercialized sialidase activity when the O-GalNAc glycopeptide is used for large-scale analysis of O-linked glycosylation.

The invention provides a device for monitoring an intermetallic dielectric layer. The device comprises a stacking structure composed of at least two layers of metal, wherein the first layer of metal is of a waveform structure, and the second layer of metal covers the first layer of metal. Because the first layer of metal is of a waveform structure, the length and structure complexity of the layer of metal can be increased. A hunk of metal, namely, the second layer of metal is arranged on the first layer of metal to completely cover the first layer of metal, which can increase the area of contact between the metal layers and an intermetallic dielectric layer, and is conductive to detection of leakage. By adopting the device of the invention, the defects of the intermetallic dielectric layer, such as pinhole, poor flattening workmanship and particles, can be effectively monitored.

The invention discloses a bulk acoustic wave resonator integrated with a fish-scale-shaped reflector array and a processing method of the bulk acoustic wave resonator. The bulk acoustic wave resonatorcomprises an SOI substrate, an input electrode disc, an output electrode disc, a ground electrode disc and a resonance body, wherein the input electrode disc, the output electrode disc and the groundelectrode disc are located at the top end of the SOI substrate, the resonance body is fixed through a supporting beam and suspended in the center of the SOI substrate, and fish-scale-shaped reflectorarrays are integrated on the two sides of the resonance body. The input electrode disc and the output electrode disc are symmetrically arranged on the two sides of the top end of the SOI substrate, and the ground electrode discs are symmetrically arranged on the two sides of the input electrode disc and the two sides of the output electrode disc. The scale-shaped reflector array is formed by arranging four rows of reflectors in a staggered mode and is integrated at the tail ends of the two sides of the resonance body. According to the bulk acoustic wave resonator, the problems of large anchorpoint loss and low quality factor of the existing bulk acoustic wave resonator are solved, and the application of the bulk acoustic wave resonator in a low-phase noise oscillator, a narrow-band filter and a high-precision sensor is facilitated.