48results about How to "No mechanical movement" patented technology

The invention relates to a type fuel metering device, in particular to a capacitance sensing type fuel meter. The meter comprises a comparison capacitance sensor group, a capacitance measuring transducer circuit board and a signal processing, calculating and displaying instrument circuit board, wherein the comparison capacitance sensor group is inserted in an oil tank, the capacitance of the sensor group changes with the dielectric constant of a medium between polar plates so that the oil quantity in the oil tank can be obtained by measuring the capacitance value of the measured capacitor. Compared with the existing fuel needle indicator, the meter of the invention has the following beneficial effects: the meter has high precision, sensitivity and reliability, the oil quantity and fuelingcharge of the vehicle-mounted oil tank can be accurately measured, the fueling charge and the fuel quality can be monitored simultaneously; and no mechanical movement is generated and the shock resistant performance is good.

The invention relates to the field of laser scanning and detecting application, in particular to a laser acousto-optical scanning method and a device thereof. According to the method, a mechanical laser deflection mode for traditional laser scanning is abandoned, the audio-optical deflection technology is adopted for enabling laser beams to precisely locate and scan (200-1000)*(200-1000) points within the 5o*5oX-Y plane range, then reflecting signals of all the points are received, and the physical quantity detecting results such as the needed distance and the dynamic graphics change are obtained through processing of a software system. The detecting speed is high, application is wide, and any mechanical motion is avoided in the detecting process.

The invention provides a tracking type ground light field 3D display method having a super-large visual angle and a tracking type ground light field 3D display system thereof. The display method comprises the steps that S1. a composite graph used for 3D display is synthesized based on parallax images of a 3D scene; and S2. the composite graph corresponding to azimuth information is judged and displayed based on the azimuth information of an observer. According to the tracking type ground display 3D display method having the super-large visual angle, the field angle is enhanced to a great extent on the basis of ensuring high resolution so that the super-large visual angle can be realized. The display system has the advantages that the display system is simple in structure without scenario or other auxiliary optical devices, and the system has no mechanical motion and does not generate vibration, noise or jump.

The invention provides an all-weather photo-thermal photovoltaic integrated automatic control heat pipe water heater. The water heater comprises a solar water tank, a support, heat pipes, a thermoelectric generation module, a storage battery, a cold water circulation system and a controller which are mutually connected. The all-weather photo-thermal photovoltaic integrated automatic control heat pipe water heater has the effect that the problem of energy waste caused by hot water boiling and evaporation in an existing hot water tank is effectively solved through the water heater. Heat exchange between a water storing tank and the cold end for cooling the thermoelectric generation module is conducted through a cold water inlet pipe and a cold water outlet pipe, so that the temperature in the water storing tank can be increased by 10-20 DEG C, correspondingly, water supplied to the solar water tank from the water storing tank is preheated once, and heat is fully utilized. The all-weather photo-thermal photovoltaic integrated automatic control heat pipe water heater can not only provide hot water for a user, but also fully utilize the temperature difference between cold water and the hot water to generate electricity, thereby saving energy and being environmentally friendly, safe and efficient.

The invention provides a liquid crystal photon crystal fiber tunable narrowband filter and a manufacturing method thereof. The method comprises the following steps of: directly plating a multilayer dielectric film on a photon crystal fiber end face to form a one-dimensional photon crystal, performing photosensitive self-assembly film treatment on the dielectric film, and then performing polarization treatment under ultraviolet light; and butting two photon crystal fibers treated likewise on the dielectric film sides, injecting liquid crystal at the butted position, and putting the liquid crystal into a variable magnetic field to realize wavelength tuning function. The invention overcomes the defects of difficult coupling of the filter and an optical communication system, complex structure and mechanical motion, and meanwhile solves the problem of difficult liquid crystal control in a microscopic system. The tunable narrowband filter is easy to couple and easy to match with an all optical network, and has the advantages of simple structure, large tuning range, low cost and the like.

A system and a method for realizing superconducting energy storage and utilization by using renewable energy water electrolysis hydrogen production are disclosed. Power generated by a renewable energy power generation device is conveyed to a current conversion device, the current conversion device converts current forms and reasonably distributes the current forms, water electrolysis hydrogen production equipment reasonably distributes prepared gaseous hydrogen, hydrogen liquefaction equipment converts gaseous hydrogen into liquid hydrogen and then reasonably distributes the liquid hydrogen, a high-temperature superconducting energy storage device does work after receiving the liquid hydrogen to stabilize power fluctuations of the renewable energy power generation device, meanwhile part of the liquid hydrogen is gasified and flows back into a gas tank of the water electrolysis hydrogen production equipment, and the gas tank and a liquid tank respectively convey surplus gaseous hydrogen and liquid hydrogen to a gaseous hydrogen user side and a liquid hydrogen user side. The system and the method organically combine power generation, current transformation, hydrogen production and energy storage, realize a hydrogen energy and high-temperature superconducting energy storage comprehensive utilization system, and are economical, high in intelligent degree, and easy and convenient to operate.

The invention discloses a liquid crystal aberration correcting method without wavefront detection. A used system comprises a liquid crystal aberration corrector, an image acquisition module, a convolutional neural network module and a grayscale conversion module. The specific method is as follows: the liquid crystal aberration corrector is used as an executing mechanism to correct distorted wavefront of received light; the image acquisition module is responsible for receiving light beams after liquid crystal correction, and acquiring the light beams as light spot images; after large-amount light spot data training, the convolutional neural network module is used for carrying out fitting according to the light spot images acquired by an imaging system to obtain Zernike coefficients corresponding to light spots; and finally, the grayscale conversion module is used for converting the Zernike coefficients obtained by fitting into grayscale values and controlling the liquid crystal aberration corrector to correct an aberration.

The invention discloses a semiconductor temperature difference generation device. The semiconductor temperature difference generation device is characterized by being installed between a three-way catalytic oxygenizer and a first-stage silencer of an automobile exhaust pipe. The semiconductor temperature difference generation device comprises outer heat radiation fins, a semiconductor generation chip with a plurality of semiconductor thermoelectric module devices arranged in parallel and an amplification and voltage stabilization circuit, the amplification and voltage stabilization circuit is connected with a voltage output end of the semiconductor generation chip, and the semiconductor generation chip is covered with the outer heat radiation fins. The semiconductor temperature difference generation device is installed between the three-way catalytic oxygenizer and the first-stage silencer of the automobile exhaust pipe, guarantees the use condition of the temperature of 200-450 DEG C, and guarantees high-efficient conversion of technical indexes.

The invention relates to a humidity regulation device driven by solar energy and a humidity regulation method. The humidity regulation device comprises a solar heat collector, an insulating water tank, an adsorption bed, a cooling device used for cooling of the adsorption bed, and a water collector. The solar heat collector conveys heat to the insulating water tank. The insulating water tank conveys heat to the adsorption bed. The adsorption bed is provided with at least one steam discharging and collecting end opening and a water collecting end opening. The cooling device is communicated with the adsorption bed through a pipeline. The water collector is communicated with the water collecting end opening through a pipeline. Due to the fact that the heat of the solar energy is conveyed to the adsorption bed through the insulating water tank, cooling and pressure reducing can be carried out on the adsorption bed through the cooling device, accordingly, the humidity regulation device is driven by the solar energy to carry out dehumidification or humidification on a room through control over the desorption and adsorption process of the adsorption bed, and the requirement for the comfort level is met. No movement parts are adopted in the device, and the device is good in stability, simple in structure and low in cost.

The invention relates to the technical field of bicycle power generation, in particular to a bicycle power-generating hub based on a piezoelectric material. The bicycle power-generating hub is characterized by comprising a bicycle hub structure, a piezoelectric material group piece module, an energy recovery and conversion circuit and an electric energy transmission slide ring. The bicycle weightis transmitted to wheels through the hub, acts on the road surface and forms balance with a counter-acting force. When the bicycle is ridden, the wheels rotate. The piezoelectric material group piecemodule is circularly stressed and then releases the stress, a piezoelectric material group piece produces voltage charge which is constantly transmitted to the energy recovery and conversion circuit and converted into electric energy which can be continuously used or stored, and the electric energy is transmitted to an electronic device or an electric energy storage unit for the bicycle through the electric energy transmission slide ring. Mechanical energy, heat energy and the like making the hub stressed and deform in the bicycle riding process are collected and converted into electric energy, the electric energy is provided for the bicycle and can be used by the electronic device or stored by a battery unit, and the riding kinetic energy consumption of the bicycle is not increased.

The present invention relates to method and device for magnetizing air and separating oxygen. The device consists of mainly permanent magnet to constitute inhomogeneous magnetic field, oxygen passage, electric oxygen heater and other basic parts. After air enters inhomogeneous magnetic field, oxygen is magnetized to raise the bulk magnetic susceptibility, attracted by the magnetic poles into the oxygen passage, and heated to lower bulk magnetic susceptibility. The latter cold oxygen is attracted by much greater magnetic force to push oxygen to move forward continuously, forming heat magnetic convection and separating out oxygen from air. The present invention is air separator with low cost, low oxygen making power consumption and long life, and may be used in producing cheap oxygen or oxygen-rich air for industrial and medical use.

The invention discloses a thermoelectric generation device using steel ladle surface waste heat. The device comprises a protective cover, a skeleton, an upper heat insulating plate, a thermoelectric system, a lower heat insulating plate and a cooling system. The skeleton is a semi-cylindrical support; the protective cover is welded on the skeleton; the upper heat insulating plate, the thermoelectric system and the lower heat insulating plate are fixed on the skeleton by bolts to form a semi-cylindrical shape; the cooling system is arranged outside the thermoelectric system; and the device is composed of two semicircular cylinders. The technical scheme of the invention has the characteristics of simple structure, small size, no mechanical movement and no noise, so that the waste heat recovery and utilization in the limited space can be realized.

The invention relates to a cone beam CT instant scanning device and a reconstruction method. The reconstruction method includes steps of S1, placing an objective table in a scanning device, placing ascanned object on the objective table, and starting a scanning device; S2, starting all high-speed flat panel detectors, and scanning the object by an X-ray focal point in the scanning device, and immediately closing the X-ray focal point after collecting the projection data of the object; S3, traversing all X-ray focal points according to an appointed order and acquiring projection data of the object under the scanning device at the current moment; S4, repeating steps S2 and S3, acquiring the projection data of the scanned object under the scanning device at the next moment, and closing the cone beam CT instant scanning device; S5, rebuilding the object at every moment by a con beam CT reconstruction algorithm based on LO regularization, and acquiring a three-dimensional voxel and a faultage image of the scanned object at every moment and displaying them. The device can scan the object very quickly and is free from any mechanical movement during the scanning process; the time resolution is high.

The invention provides a method for testing the focal length of a lens without mechanical movements. According to the invention, a Ronchi grating performs imaging in a focal plane of a lens to be tested through a collimator, the formed image is further imaged through an electrically controlled zoom lens, and finally a clearest image picture is acquired on a CCD camera through a microscope objective. The size of the picture is calculated, and the focal length of the lens to be tested is calculated according to a formula f=L / (1+mVy0 / f0y3). The method can realize automatic detection for the focal length of a lens without mechanical movements, and further has the characteristics of convenient detection, high accuracy, wide test range and low cost.

The invention discloses a piezoelectric sensing road system for charging automobiles based on thermoelectric power generation and a manufacturing method. A P-type semiconductor concrete piezoelectric sensing road surface comprises a foundation pavement layer, a first copper net, P-type semiconductor concrete, a third copper net and a piezoelectric sensing road surface system; the N-type semiconductor concrete piezoelectric sensing pavement comprises a foundation pavement layer, a second copper net, N-type semiconductor concrete, a fourth copper net and a piezoelectric sensing pavement system; the first copper net and the second copper net extend outwards from the side edges of the corresponding semiconductor concrete piezoelectric sensing road surface to form connecting lugs, the connecting lugs are connected with a thermoelectric power generation control system, and the thermoelectric power generation control system is connected with a power collection system; the piezoelectric sensing pavement system comprises a wireless charging coil transmitter, the electric power collection system supplies power to the wireless charging coil transmitter, and the vehicle-mounted wireless electric energy receiver receives transmitted electric energy and supplies power to a vehicle-mounted battery. According to the invention, green power can be generated for wireless charging of the automobile.

The invention provides a loudspeaker of a micro-electro-mechanical system, which comprises a baseplate, a plurality of spacing bodies, a plurality of heating units and a signal input device, wherein the baseplate is provided with a plurality of acoustic holes by penetration; the plurality of the spacing bodies are arranged on the surface of the baseplate, each spacing body forms a gas medium gap, and each gas medium gap is communicated with the corresponding acoustic hole; the plurality of the heating units are correspondingly arranged on the spacing bodies; and the signal input device is used for transferring current signals to the plurality of the heating units, electrifying the plurality of the heating units for heating, and further heating gas media to emit acoustic waves. The invention further provides an electronic device with the loudspeaker of the micro-electro-mechanical system.

The invention discloses a concrete wall temperature difference power generation device and a manufacturing method of a graphene-concrete wall of the concrete wall temperature difference power generation device. The concrete wall temperature difference power generation device comprises a graphene-concrete wall, a heat collection system arranged above the graphene-concrete wall, and a rectifier, a controller and a capacitor which are sequentially connected with one side of the graphene-concrete wall body, wherein the heat collection system comprises a blue film plating plate and a red copper flow channel arranged between the blue film plating plate and the graphene-concrete wall body. The concrete has n-type conductivity and shows slight electron motion, hole motion exists in graphene-concrete along with the addition of the graphene p-type conductive material, so that electron hole distribution is formed in the composite material, the mechanical performance of the concrete is maintained, and the thermoelectric performance of the concrete is enhanced. The thermoelectric generator made of a thermoelectric material has the advantages of no mechanical motion, no noise, no abrasion, high reliability, no maintenance and no pollution, and the size and shape can be designed as required.

The invention provides an ultra-far deep space laser communication capturing and tracking system which obtains position information and attitude information through a star sensor and a navigation gyroscope, and obtains solar facula and earth facula positions through a visible light focal plane detector and an infrared focal plane detector. And the spaceborne computer calculates a coarse tracking pointing signal to control the coarse tracking turntable to drive the optical antenna, and calculates a fine tracking error signal to control the deflection direction of a transmission light beam of the electro-optical deflector, so that light beam capture tracking in laser communication from an ultra-far deep space away from the earth by 30-250 astronomical units to the earth is realized. An existing beacon light emitting system is omitted, the weight, the size and the power consumption of a laser communication system are effectively reduced, the star sensor and the navigation gyroscope are combined to obtain attitude and position information, a focal plane detector is used for replacing a common QAPD detector to obtain tracking errors, the capturing and tracking sensitivity and precision are effectively improved, and the tracking precision is improved. The method can be widely applied to ultra-far deep space detectors such as asteroid detectors and solar system marginal detectors.

The invention relates to the technical field of new energy vehicles, specifically to an automatic power generating hub based on piezoelectric materials. The automatic power generating hub based on thepiezoelectric materials comprises a vehicle hub (including a flange plate mounting hole), a piezoelectric material module, an energy recycling and converting circuit and an electric energy transmission slip ring. The vehicle weight is transmitted to wheels through the hub to act upon the road surface so as to achieve a balance with counter-acting force. During the running of a vehicle, the wheelsrotate, pressure is applied to the piezoelectric material module and then released from the piezoelectric material module in circulation; the piezoelectric material module generates voltage-charge and contiguously transmits the voltage-charge to the energy recycling and converting circuit to be converted into electric energy for continuous use or storing; and the electric energy for continuous use or storing is transmitted to a vehicle power device or an electric energy storage unit through the electric energy transmission slip ring. The automatic power generating hub based on the piezoelectric materials has the advantages that mechanical energy, thermal energy and so on of deformation generated by the hub under a stress in the vehicle running process are collected and converted into theelectric energy to provide power supplement to the new energy vehicle; vehicle running kinetic energy consumption is not increased; the cruising power of an electrical driving vehicle can be obviouslyenhanced and can be even enhanced by more than 20%.

The invention provides an integrated installation type rim lubricating device with an air source system. The integrated installation type rim lubricating device comprises an electronic control system(1), an air source system (2), a pneumatic actuator (3), a grease tank (4) and a base plate (5). According to the integrated installation type rim lubricating device, the integrated installation design is adopted, all components except for a spraying nozzle and a rubber hose are arranged together to form an integrated unit to be installed into a driver room of a rail traffic vehicle. The form of the integrated unit facilitates device installation and maintenance, connectors are simple, the occupied space is small, the structure is compact, too many pipes for transmitting compression air is notneeded, and the pressure loss is small. A pull rod type air capacitor is used for storing the compression air, welding seams are avoided, all related parts can be directly installed at the preservedconnector of the air capacitor, and the structure is simple. The spraying nozzle installed on a bogie is simple in structure, mechanical motion does not exist insides, electric elements are not provided, the working is reliable under the working condition of impact vibration, and the efficiency cannot be lost.

The invention discloses a multi-channel parallel signal modulation device, and mainly relates to the technical field of laser application. The device comprises a laser light source, an optical fiber coupler, an optical fiber collimator and an acousto-optic modulation system. The acousto-optic modulation system comprises an acousto-optic modulator and a radio frequency driver. A laser source signalis equally divided into N paths of optical signals after passing through the optical fiber coupler, optical path shaping and collimation are carried out through collimators on all channels, finally,the optical path shaping and collimation are controlled by an acoustic optical modulator, and N paths of parallel modulation signal output can be obtained. Each acousto-optic modulator is driven and controlled by respective radio frequency, the channels are mutually independent and free of crosstalk, the number of the modulated channels can be determined according to user requirements, only one laser source is adopted, the structure is simple, no crosstalk exists, and the modulation speed is high.

The invention discloses an electro-optical nutation coupling system and method for space laser communication, and belongs to the field of laser communication. The system comprises a quarter-wave plate, a fast reflector, an electro-optical deflector, a coupling lens, a single-mode optical fiber, an optical switch, an incoherent receiving module, a coherent receiving module, a communication and angle error resolving module, an electro-optical deflector driving module and a fast reflector driving module. According to the invention, based on an electro-optic deflection effect, a non-mechanical electro-optical deflection device is adopted; two-dimensional scanning and nutation coupling of a laser beam are realized by controlling the electro-optical deflector; while communication information isdemodulated, extraction of tracking angle error amount of a laser signal and calculation of compensation amount are completed, and the electro-optical deflector and the rapid reflector are controlledto perform fine tracking compensation, so that high-precision tracking of the laser signal and stable and efficient coupling from spatial light to a single-mode optical fiber are realized. The methodcan be compatible with tracking angle error calculation and compensation under incoherent and coherent communication systems.

The invention relates to a resolution multiplication DMD projection system based on a birefringence principle. The system comprises a laser, a laser beam expanding and collimating light path, a DMD module, an upper computer module, a TN liquid crystal module, a synchronous control circuit, a birefringence optical assembly, a projection light path and a projection screen. The laser emits laser to serve as an illumination light source of the projection system, the DMD projection light path projects a reflected laser picture into a subsequent system, an image decomposed by a computer image algorithm is loaded on the DMD through the upper computer control system, and the projected image is staggered and superposed after passing through the liquid crystal control module and the birefringence optical assembly. The system aims to realize projection display with resolution multiplication and improved image quality on the basis of not changing the physical resolution of hardware projection equipment.

The invention provides an all-weather photo-thermal photovoltaic integrated automatic control heat pipe water heater. The water heater comprises a solar water tank, a support, heat pipes, a thermoelectric generation module, a storage battery, a cold water circulation system and a controller which are mutually connected. The all-weather photo-thermal photovoltaic integrated automatic control heat pipe water heater has the effect that the problem of energy waste caused by hot water boiling and evaporation in an existing hot water tank is effectively solved through the water heater. Heat exchange between a water storing tank and the cold end for cooling the thermoelectric generation module is conducted through a cold water inlet pipe and a cold water outlet pipe, so that the temperature in the water storing tank can be increased by 10-20 DEG C, correspondingly, water supplied to the solar water tank from the water storing tank is preheated once, and heat is fully utilized. The all-weather photo-thermal photovoltaic integrated automatic control heat pipe water heater can not only provide hot water for a user, but also fully utilize the temperature difference between cold water and the hot water to generate electricity, thereby saving energy and being environmentally friendly, safe and efficient.

The invention discloses a demodulating device for an optical fiber Young interference optical path difference based on low coherent interference. The demodulating device comprises a wideband light source, a 3dB coupler, a sensing interferometer, a demodulating interferometer, a calibration interferometer and a line array camera, wherein a multimode optical fiber is adopted in a light path formed by the components in sequence for optical signal transmission. A demodulating method mainly comprises the steps of optical path difference sensing, optical path difference demodulating and optical path difference calibration. Compared with the prior art, the demodulating device and the method integrate modes of space scanning and time scanning to conduct low coherent interference optical path difference demodulating; no mechanical movement is available; the stability is high; compared with the time scanning, the demodulating precision is not affected by moving precision of a scanning motor; the nano-level high precision demodulating can be realized; the optical path difference calibration of an overall system is realized by adjusting the optical path difference; in addition, a nano displacement platform is adopted to control the output optical path difference effectively; an optical path difference demodulating interval of the overall system is amended; and with the adoption of an optical fiber interferometer structural form, the system adjustment is facilitated and the working stability is high.

The invention relates to a cone beam CT instant scanning device and a reconstruction method. The reconstruction method includes steps of S1, placing an objective table in a scanning device, placing ascanned object on the objective table, and starting a scanning device; S2, starting all high-speed flat panel detectors, and scanning the object by an X-ray focal point in the scanning device, and immediately closing the X-ray focal point after collecting the projection data of the object; S3, traversing all X-ray focal points according to an appointed order and acquiring projection data of the object under the scanning device at the current moment; S4, repeating steps S2 and S3, acquiring the projection data of the scanned object under the scanning device at the next moment, and closing the cone beam CT instant scanning device; S5, rebuilding the object at every moment by a con beam CT reconstruction algorithm based on LO regularization, and acquiring a three-dimensional voxel and a faultage image of the scanned object at every moment and displaying them. The device can scan the object very quickly and is free from any mechanical movement during the scanning process; the time resolution is high.

The invention discloses a near space electrodynamic patch. The electrodynamic patch comprises a positive pole wire, a negative pole wire, a positive pole base, a negative pole base, insulating patches, an upper insulating sheet, a lower insulating sheet and insulating rivets. The electrodynamic patch has the advantages that (1), the electrodynamic patch can be bonded to an outer layer of a low-speed aircraft, independent space as same as the space of propellers is not needed, the thrust force increases as the adhesion area increases, and the electrodynamic patch is particularly suitable for stratospheric airships such as the large-size low speed aircraft; (2), within the height of 20 km to 50 km, as the height increases, the thrust force of the electrodynamic patch under the same voltage increases continuously; (3), the electrodynamic patch has no mechanical motion, no noise and low infrared visibility; (4), compared with propulsion devices such as existing high-altitude propellers, the electrodynamic patch is light in weight and simple in design, and has no rotational torque balance requirements.

The invention discloses an electrodynamic patch near space, comprising: an anode wire, a cathode wire, an anode base, a cathode base, an insulating patch, an upper insulating sheet, a lower insulating sheet and an insulating rivet. The beneficial effects of the present invention are: (1) The electrodynamic patch can be adhered to the outer layer of a low-speed aircraft without requiring an independent space like a propeller, and as the adhesion area increases, the thrust increases, which is especially suitable for large-scale low-speed airships such as stratospheric airships. Aircraft; (2) Within the altitude of 20km to 50km, as the altitude increases, the thrust of the electrodynamic patch with the same voltage will continue to increase; (3) The electrodynamic patch has no mechanical movement, no noise, and low infrared visibility; (4) Compared with the existing propulsion devices such as high-altitude propellers, the electric power patch is lighter in weight, simpler in design, and has no requirement for rotational torque balance.