30results about How to "With transmission" patented technology

The invention relates to a two-step quadrature phase-shift interferometry-based optical image encryption device and a method, which belong to the optical image processing technical field. The two-step quadrature phase-shift interferometry-based optical image encryption device comprises an optical image encryption device and an optical image decryption device. Due to the adoption of the two-step quadrature phase-shift interferometry-based optical image encryption device, strength information of substance light waves and reference light waves are not required to record, so the calculation amount and the storage amount can be reduced, the transmission efficiency of the information is improved, the system is simplified, and the cost is reduced. Since only two holographs are required to record, the experimental operation steps can be simplified by reducing the recording times. Since the charge coupled device (CCD) recorded digital hologram has advantages of real-time recording, digital memory, digital transmission and the like, encrypted information can be transmitted to an electronic computer of the decryption device to be decrypted in an electronic way to reappear, and the optical encryption technology can be better compatible with the digital signal processing and communication system so as to be widely used. In addition, system parameter key is also increased while the security of a double random phase coding method is guaranteed, so the security of the system is further improved.

The invention discloses a multi-functional ultraviolet-visible spectrometer, which comprises an ultraviolet-visible light source, a fixed convex lens, an adjustable diaphragm, a movable convex lens, a turning apparatus, a charge coupled device (CCD) miniature spectrometer and a microcomputer. The multi-functional ultraviolet-visible spectrometer of the invention has a reflectance spectrum test function, a transmittance spectrum test function, an absorption spectrum test function, a scattered spectrum test function and a fluorescence spectrum test function, and can measure variations of the spectrum and the spectral intensity with angles through rotation of a sample table turning apparatus and a light-guide fibre turning apparatus, thereby obtaining a reflectance spectrum, a transmittance spectrum, a absorption spectrum, a scattered spectrum and a fluorescence spectrum which have angle resolution capability.

The invention discloses an automatic turnover device. The automatic turnover device comprises a worktable, a turnover frame body, a conveying mechanism, a turnover mechanism and a positioning mechanism, wherein the worktable is provided with symmetric worktable outer plates, the turnover frame body is provided with a conveying mechanism bracket transverse plate I and a conveying mechanism brackettransverse plate II; the conveying mechanism of two sets of conveyor belt wheel sets is capable of vertical tight clamping, a turnover mechanism and a positioning mechanism are arranged, wherein the two sets of conveying mechanisms a conveying belt wheel set is provided with the functions of capable of vertically clamping, longitudinal distance adjusting and transverse conveying; the turnover mechanism is connected with the turnover frame body and the worktable outer plates, and the positioning mechanism is provided with photosensitive sensors and push rod air cylinders; the two sets of conveying belt wheel sets are correspondingly fixed on the opposite sides of the turnover frame body, and the photosensitive sensors are correspondingly fixed on the two ends of the conveying mechanism bracket transverse plate I and/or the two ends of the conveying mechanism bracket transverse plate II, and the push rod air cylinders are fixed at the positions close to the outlet ends of the conveying belt wheel sets and are controlled to stretch through the photosensitive sensors. According to the device, automatic machining is adopted to replace manual work so that manual operation damage can be reduced, the turnover requirements of reversed parts with different sizes can be met, the power consumption is low, operation is stable and reliable, and the turnover device is particularly suitable for machining of a fuel cell unipolar plate, a bipolar plate and a membrane electrode.

The invention relates to an unhooking device for railway vehicles. The unhooking device consists of a transmission mechanism and a locking positioning mechanism, and is characterized in that the transmission mechanism comprises a transmission lever and a pulling rod, the tail end of the transmission lever is connected with a J-shaped part of a reverse V-shaped bent hook, the pulling rod is a round rod, one end of the pulling rod is hinged with the front end of the transmission lever, the other end of the pulling rod is provided with an operation handle, a flat pressing section is arranged on the pulling rod arranged at the front part of the operation handle, the locking positioning mechanism consists of a locking sheet and positioning pins, the locking sheet is an annular loop structure formed by doubling up a spring steel plate strip, one end of the locking sheet is in an annular shape, the other end of the locking sheet is a closed section formed by pasting the steel plates, positioning holes are formed in the closed section, the positioning pins are matched with the positioning holes, and the annular end of the locking sheet is sheathed on the flat pressing section of the pulling rod. The unhooking device has the advantages that the unhooking operation is more convenient and faster, the labor is saved, and the locking of a vehicle hook is more reliable.

The invention discloses a cold-insulating DC high-temperature superconducting current limiting cable, which comprises a cooling channel, a wire stranding frame, a semiconductor conductor layer I, a superconducting layer, a semiconductor conductor layer II, an insulating layer, a shielding layer and a protective layer. The cooling channel is arranged in the wire stranding frame. The wire strandingframe is wrapped with the semiconductor conductor layer I. The superconducting layer is wound outside the semiconductor conductor layer I. The superconducting layer is wrapped with the semiconductor conductor layer II. The semiconductor conductor layer II is wrapped with the insulating layer. The shielding layer is wound outside the insulating layer. The shielding layer is wrapped with the protective layer. A cooling medium is circulated in the cooling channel. The wire stranding frame is connected in parallel with the superconducting layer. The cable of the invention has double functions of transmission and current limitation. The cable does not need to be connected to a superconducting current limiter, and the device cost and the operation and maintenance costs are reduced. The wire stranding frame is made of a high-resistivity metal material, which can better inhibit the fault current when the cable fails. The structure of the wire stranding frame can improve the mechanical strengthand flexibility of the cable.

The invention discloses a large-torque driving device used for an engine. The driving device comprises a gear component, driving pawl components and a driving cover, wherein the gear component is engaged with a gear system of the engine; through gear driving, the gear component drives an air compressor; the air compressor drives an electronic fuel injection pump through the drive pawl components; the drive pawl components are respectively arranged on the shaft of the air compressor and the shaft of the electronic fuel injection pump; through the engagement of two driving pawls, the air compressor drives the electronic fuel injection pump to rotate; and the driving cover is used for sealing and lubricating the driving pawl components and simultaneously supporting and positioning the installation of the electronic fuel injection pump. The large-torque driving device has the advantages of simple structure, driving torque up to 570N.m, and high reliability, can adjust a timing phase angle of the electronic fuel injection pump, and can be widely used in the field of manufacturing engines of which the emission is up to over national standard 3.

The invention relates to a photo-charging secondary battery taking phteropoly acid salt as a negative electrode material. The battery comprises a photo positive electrode (1), a positive electrode (2), a negative electrode (3) and a lithium ion conductor film (4). The negative electrode material is an electrode sheet which is prepared by the following steps: mixing a nano heteropolyacid salt material, a conducting agent and an adhesive in a certain mass ratio; adding the mixture into a dispersant; fully stirring and uniformly mixing the mixture; and coating and drying the mixture to obtain theelectrode sheet. Preparation of the nano heteropolyacid salt material comprises mixing an inorganic salt solution with a heteropolyacid aqueous solution to obtain a solid phase heteropolyacid salt material and an electrode material. The heteropolyacid salt adopted by the invention is diversified in structure and composition, is high in thermal stability and photo reducing property, and can perform reversible and continuous polyelectron redox. The photo-charging secondary battery prepared by the method can be charged under an illuminating condition. Solar energy is utilized fully, the chargingenergy is saved, and the battery is low in cost and equipment is simple.

The invention relates to a wireless location device comprising a passive RFID unit, and an antenna, a clock unit, a button, an acceleration sensor and a power management unit which are connected to an SOC unit. The SOC unit is used to receive a wireless signal transmitted by a location beacon, acquire location information according to the wireless signal, communicate with other wireless location devices or wireless location base stations in a networked two-way mode and send the location information to the other wireless location devices or wireless location base stations. The clock unit is used to make the wireless location device, the other wireless location devices or wireless location base stations and the location beacon periodically awakened and work at the same time. The other wireless location devices or wireless location base stations upload the received location information to a center host. The wireless location device provided by the invention can have the functions of a wireless location terminal and the functions of a wireless location base station at the same time through the SOC unit, namely, wireless networked communication, positioning, wireless sensing, wireless control and other functions can be achieved simultaneously.

The invention discloses a self-shielding cold-insulation direct-current high-temperature superconducting current-limiting cable which comprises a cooling channel, a cable skeleton, a semiconductor layer, a superconducting layer, an insulating layer and a protective layer. The cooling channel is located in the center of the cable skeleton, the semiconductor layer is arranged outside the cable skeleton, and a superconducting odd layer n is arranged outside the semiconductor layer; a superconducting even number layer 2n is arranged outside the superconducting odd number layer n, the semiconductorlayer and the insulating layer are sequentially arranged between the superconductive odd-number layer n and the superconductive even-number layer 2n from inside to outside, and the protective layer is arranged on the outermost superconducting layer. The current running directions of the superconductive odd-number layer n and the superconductive even-number layer 2n are opposite, and the strip winding directions are the same. The current running directions of the adjacent superconductive odd-number layer n and the superconductive even-number layer 2 (n + 1) are the same, and the strip windingdirections are opposite. The self-shielding cold-insulation direct-current high-temperature superconducting current-limiting cable of the scheme has the advantages of dual functions of transmission and current limiting, self-shielding and no electromagnetic interference, does not need to connect a superconducting current limiter, and enables the device cost and the operation and maintenance cost to be reduced.

The invention discloses a novel automatic quantifying type zinc oxide packing producing device. The device comprises fixed supporting feet, a protecting housing, pressure gauges, control buttons and a display, wherein the protecting housing is arranged on the fixed supporting feet; the pressure gauges are arranged on the upper surface of the protecting housing; the control buttons are arranged on the pressure gauges; the display is arranged on the control buttons; a charging machine is arranged at one side of the display; an electronic quantifying device is arranged on the charging machine; a feeding funnel is arranged on the electronic quantifying device; an opening sealing machine is arranged laterally below the feeding funnel; hydraulic supporting rods are arranged laterally below the opening sealing machine; a tray frame is arranged below the hydraulic supporting rods; a conveyor is arranged at one side of the tray frame. The novel automatic quantifying type zinc oxide packing producing device has the beneficial effects that the automatic quantifying is carried out, and the conveying function and the automatic opening sealing function are provided, so that the intelligence level is high, the production cost is low, and the production efficiency is high.

The present invention relates to a digital power visualization remote control system. The system comprises a digital control power supply, a communication converter and an upper computer. The digital control power supply includes a data acquisition terminal, a digital control terminal and a CAN communication interface. The data acquisition terminal is configured to collect state parameters, and the digital control terminal is configured to set the state parameters according to the power supply control parameters; the upper computer includes a UART communication interface, a state display module and a control parameter inputting module; and the CAN communication interface is connected with the communication converter, and the communication converter is connected with the UART communication interface. The digital power visualization remote control system is able to allow the power supply to realize remote monitoring, has a visualization control interface and is high in anti-interference capability and convenient and rapid to control. Besides, the flexible programmable function allows the power supply to adapt different loads, so that the usage range of the power supply is greatly expanded and the many uses for one machine are realized. The digital power visualization remote control system has a programmable function so as to improve the intelligent degree of the power supply.

The invention relates to the technical field of transmission equipment, in particular to a multifunctional wheel shaft. The multifunctional wheel shaft comprises a shaft body and a wheel body, wherein the wheel body connected with the circle centre of the wheel body, and the shaft body is vertically provided with a U-shaped bent neck. The shaft body is vertically provided with the U-shaped bent neck, so that the shaft body has a transmission effect and a driven effect, and the functionality of the wheel shaft is greatly extended.

The invention relates to a three-dimensional engraving and polishing machining numerical control machine tool which comprises a numerical control power supply table, a transmission cable, a workbench and a lifting type machining bed, the lifting type machining bed is arranged on the top side of the workbench and can ascend and descend on the top side of the workbench, and the workbench and the lifting type machining bed are connected with the numerical control power supply table through the transmission cable. The lifting type machining bed is composed of a ball cover machining bed body and a bottom cover opening, and the workbench is composed of a clamp loading table, a workbench plate, a lifting column, a retention frame and a lifting mechanism. The arrangement of the three-dimensional carving and grinding device is optimized, a traditional machining mode is changed, a brand new structure is designed on a machining bed body, the structure has a brand new transmission mode and a brand new movement mode, the structure has all-directional displacement and transmission, full-three-dimensional coverage on the bed body is truly achieved, in addition, the bed body is designed to be liftable, and the machining efficiency is improved. And the cover-type bed body is not easy to touch a processed product by mistake during processing, and is suitable for popularization and use.