110results about How to "Simple design and processing" patented technology

The invention discloses a programmable integrated control system capable of controlling inlet and outlet oil ways independently. The programmable integrated control system comprises an integrated hydraulic valve, a controller, an active input device, a hydraulic actuator, a hydraulic oil source and a hydraulic oil tank. The integrated hydraulic valve comprises five two-position two-way electro-hydraulic proportional valves and is connected with a bridge-type circuit through a hydraulic pipeline. The active input device is connected with the controller through a circuit, and the controller is connected with the integrated hydraulic valve through a circuit; the hydraulic actuator is connected with the integrated hydraulic valve through a pipeline, and the integrated hydraulic valve is connected with the hydraulic oil source and the hydraulic oil tank through pipelines. The programmable integrated control system has high efficiency and response performance and is simple in structure and easy to achieve; the integrated hydraulic valve is simple in design, convenient to machine, good in interchangeability and capable of meeting the requirements of different types of hydraulic actuators and has various variable median functions, and a valve element is easy to design and machine.

The invention belongs to the field of inorganic material, relating to the improvement of a ceramic blank precision molding technique. The steps of the invention includes: mixing, blending and ball-milling, eliminating gas, adding in catalyst or reducing agent, adding in initiator, injection molding and gelating, and demolding and drying. The invention uses less water, thoroughly eliminates organic matter, reduces the blank shrinkage and avoids larger-sized ceramic blanks from cracking in the drying course. Besides, the gelated blanks have better machining property before glycol, glycerine, and other solvents are eliminated.

The invention discloses an inorganic-organic/inorganic hybrid dual-layer nano-film memristor for simulating nerve synapses, and belongs to the cross field of semiconductor microelectronic devices andartificial intelligence. A molecular layer deposition technology and an atomic layer deposition technology are utilized to prepare the inorganic-organic/inorganic hybrid dual-layer nano-film memristorwith a good nerve synapse simulation bionic function; and the adopted molecular layer deposition and atomic layer deposition technologies can be compatible with a microelectronic process and are suitable for large-scale integration. The memristor comprises a substrate, a bottom electrode, a memristor functional layer and a top electrode in sequence from bottom to top, wherein the memristor functional layer consists of two layers of nano-stack structure film materials including a lower-layer inorganic-organic hybrid film and an upper-layer metal oxide film.

The invention relates to a profile segment which can preferably be connected to at least one adjacent profile segment to form a roller shutter and which comprises at least two interconnected portions extending in the longitudinal direction of the profile segment so as to form a hollow profile which is closed in terms of its cross section, wherein one of the portions is movably connected via a connection means, at least at certain points, by at least one of its longitudinal sides to a longitudinal side, situated opposite thereto, of an adjacent one of these portions, such that the portions can be converted from an unassembled state, in which the portions form a profile which is open in terms of its cross section, into an assembled state in which the portions form a profile which is closed in terms of its cross section.

The invention discloses an in-plane buckling compound mode thin linear ultrasonic motor which comprises a frame, an active cell, a vibration generator and a pretension mechanism. A slide seat is fixed in the frame; the active cell is movably arranged at the slide seat; the vibration generator comprises a rectangular metal elastic plate, a rectangular piezoelectric ceramic plate and a dial gear; the metal elastic plate and the piezoelectric ceramic plate are fixedly connected; the dial gear is fixedly connected with the middle position of the side surface along the length directions of the metal elastic plate and the piezoelectric ceramic plate; the dial gear is contacted with the active cell; the top surface of the vibration generator is contacted with the pretension mechanism. The motor is easy to design; the polarized subareas of the piezoelectric ceramic plate are less; the design and processing are easy. The resonance frequency of the in-plane buckling vibration tends to be consistent by changing the length-width ratios of the rectangular piezoelectric ceramic plate and the rectangular metal elastic plate, so as to generate a buckling resonance at the same frequency simultaneously; the motor has the advantage of simple and compact structure, which is thin, convenient for assembly and works reliably.

The invention provides a chamber device, which includes: a chamber body, which defines a chamber therein; a first thermoelectric cooling member, a cold end of which is arranged near at least a portion of an outer surface of the chamber body to cool the chamber body; and a hot end of the first thermoelectric cooling member is arranged far from at least a portion of the outer surface of the chamber body. The invention also provides a substrate-processing device having the chamber device. The thermoelectric cooling member is adopted by the invention to cool the chamber body. The chamber device is characterized by simple processing and design, good cooling effects, and improvement in safety and maintainability.

The invention discloses a slow wave structure based on a semiconductor-filled metal waveguide structure. The slow wave structure comprises a uniform metal hollow waveguide pipe wall, an air gap and a conical filled high-refractive index semiconductor medium strip. In the slow wave structure, by utilizing the abnormal characteristic that the direction of energy flow in the air gap is opposite to that of energy flow in media when electromagnetic waves are transmitted in a high-refractive index semiconductor-filled waveguide structure and selecting parameters of the waveguide structure reasonably, the average energy flow of the electromagnetic waves with different frequencies in air and the average energy flow of the electromagnetic waves with different frequencies in a semiconductor at the corresponding position of waveguide are approximate, so the electromagnetic waves have extremely low group velocity. When the electromagnetic waves enter a port and are transmitted along the waveguide, the group velocity of the electromagnetic waves is reduced gradually, and the energy of the electromagnetic waves is enhanced gradually until the electromagnetic waves reach specific parts corresponding to the frequencies; and waveguide parts in which the electromagnetic waves with the different frequencies can reach are different from one another, so the frequency division, field restriction and reinforcing effects of the electromagnetic waves are realized simultaneously by the structure.

The invention discloses a three-blade elliptic arc type cam rotor, and belongs to the technical field of cam rotor pumps. The profile of a left side cam rotor body (1) of the three-blade elliptic arc type cam rotor is formed by smoothly connecting six sections of curves end to end, wherein the curves sequentially include a first elliptic arc section A1B1C1, a first elliptic arc conjugation envelope line C1D1E1, a second elliptic arc section E1F1G1, a second elliptic arc conjugation envelope line G1H1I1, a third elliptic arc section I1J1K1 and a third elliptic arc conjugation envelope line K1L1A1. The two same cam rotor bodies can be correctly engaged in the synchronous different-direction double-rotation movement process. The three-blade elliptic arc type cam rotor which is put forward has the beneficial effects of being good in sealing performance, high in area utilization rate, large in range of the ratio of the rotor outer circle radius R1 to the pitch radius R2 and convenient to machine.

The invention relates to a helical cutter turning trajectory error prediction method and belongs to cutter turning trajectory prediction methods. The method includes: calculating a residue differencedelta 1 between adjacent two turning trajectory cutter contact points; calculating a residue difference delta 2 among straight lines between adjacent two turning trajectory cutter contact points; calculating arc height error delta 3: calculating step length 1BC between adjacent cutter contact points, solving, judging a relation between a distance 13 from the middle point of the step length to Z axis and 14, determining whether the arc height error is positive or negative, solving the arc height error delta 3 through a derived formula, comparing the arc height error delta 3 with required processing accuracy delta 0, determining processing parameters for subsequent processing if requirements are met, modifying corresponding parameters, calculating and re-comparing the above three kinds of errors if the requirements are not met. The method is used for predicting related errors in helical processing trajectories, and processing parameters are determined finally by constraining each error value to acquire processing trajectories.

The invention discloses a bicycle seat cushion and an inflatable bicycle seat cushion. The bicycle seat cushion comprises a flexible cushion plate, wherein the flexible cushion plate is provided witha sleeve connector; the sleeve connector is used for sleeving the flexible cushion plate on a tapered end of a bicycle seat; and the flexible cushion plate is provided with a plurality of protrusionsat the side attached to the bicycle seat. The flexible cushion plate is provided with the plurality of protrusions which are in contact with the prior surface of the bicycle seat, so that the bicycleseat cushion provided by the invention can isolate the flexible cushion plate from the bicycle seat. Ventilation gaps are formed among all of the protrusions so as to increase the heat dissipation area, to timely and successfully dissipate heat and to accelerate the heat dissipation of the flexible cushion plate. The bicycle seat cushion has the advantages of simple structure, heat insulation, heat dissipation, low costs, convenient installation, good use effect and easy carrying.

Provided is a micromovement actuator used for controlling the mirror surface position of an astronomical telescope. One end of the micromovement actuator is in connection with a support mirror surface, and the other end is in connection with the frame of the telescope, wherein the connection point with the support mirror surface and the connection point with the frame of the telescope are connected to form a connection line, and the connection line forms the output shaft of the micromovement actuator. The micromovement actuator is characterized by comprising an elastic structure body and an active central shaft; the elastic structure body is a polygon composed of elastic materials; the active central shaft is vertical with the output shaft of the micromovement actuator, and the base and the end of the active central shaft are respectively in fixed connection with two sides or two angles of the polygon. The micromovement actuator has the characteristics of simple structure and high connection rigidity, employs a multi-set cooperative work mode, and can effectively enhance the coupling stiffness between the mirror surface and the frame, and avoid overconstraint or passive constraint; meanwhile, the micromovement actuator can realize continuous mirror surface movement in adjusting a position, and avoid gaps or backlash; besides, the movement output precision can be under one micrometer. The micromovement actuator can be applied to other fields.

The invention discloses a catalytic combustion purification process and device. According to the catalytic combustion purification process and device, firstly, organic waste gas and air and/or oxygen are mixed, and the mixing ratio of the organic waste gas and the air and/or the oxygen can be flexibly regulated and controlled according to the requirement for the subsequent catalytic combustion technology; it is guaranteed that the concentration of the organic waste gas in the mixed gas is within the explosion limit; more importantly, the subsequent catalytic combustion temperature is regulated and controlled, and the phenomenon of temperature runaway of catalytic combustion sections is eradicated; secondly, the mixed gas is divided into two parts, one part is used for catalytic combustion, and the remaining part conducts heat exchange with mixed gas at outlets of all the stages of the catalytic combustion sections. In this manner, the amount of the two parts can be regulated flexibly in time; the temperature of the mixed gas going in the next stage of catalytic combustion is maintained by using the remaining part; finally, catalytic combustion can be smoothly carried out, and the phenomenon of temperature runaway is prevented.

The invention discloses a shielding box, and the shielding box comprises a box body and a cover body. The main part of the box body is formed by the jointing of a plurality of enclosing plates and a plurality of sections. Moreover, the box body is provided with a first opening. The sections are provided with inset grooves which are matched with the edges of the enclosing plates. The enclosing plates are installed on the sections in a mode of enabling the edges of the enclosing plates to be inserted into the inset grooves, and the adjacent enclosing plates are assembly on the same section. According to the invention, the shielding box is divided into universal modules to form an assembly structure, and at least has the following advantages that 1, the design and machining and assembly technology meet the requirements of environment protection, energy-saving and emission reduction and lean production; 2, the shielding box employs a section structure, is simple and convenient in design and machining, and is easy to standardize; 3, the product design can serve for the customization of a standardized product and small diversified products quickly and conveniently; 4, the sections are employed for forming the frame structure of the shielding box, and the interlacing of the sections and the strengthening of angle beads guarantee the stability of the structure.

The invention discloses a light emitting diode (LED) light source coupling device for optical fiber illumination. The device comprises a light barrel, an elliptical reflector, a radiating fin, an LED light source, an optical fiber fixing port and an optical fiber, wherein the elliptical reflector, the radiating fin, the LED light source and the optical fiber fixing port are placed in the light barrel; and the optical fiber is arranged at the optical fiber fixing port. The LED light source is placed on the left focus of the elliptical reflector, the incidental end face of the optical fiber is placed on the right focus of the elliptical reflector, and rays emitted by the light source are reflected to the right focus, coupled to the optical fiber and transmitted. Two LED lamp beads of the LED light source are arranged on the side of the columnar radiating fin. The coupling device for the optical fiber illumination is high in coupled light efficiency, easy to design and machine and small in size.

The invention provides a hydraulic air pressure test device comprising a hydraulic device, a rubber air bag, a hydraulic test container, a high pressure helium tank, and a helium detection device; structural components to be tested, the rubber air bag, and the hydraulic test container are all sealed containers; the head end and the tail end of the rubber air bag are provided with two openings respectively and the two openings are provided with one-way check valves respectively; the hydraulic test container is filled with water solution; the structural components to be tested are located inside the rubber air bag; the high pressure helium tank is communicated with one one-way check valve of the rubber air bag through a pipeline; a pipeline of the helium detection device passes through the other one-way check valve of the rubber air bag and is communicated with the inner of the structural components to be tested; the rubber air bag is located in the water solution in the hydraulic test container; a pipeline of the hydraulic device is located in the water solution of in the hydraulic test container. According to the invention, test pressure is transferred by the rubber air bag and a pneumatic test is converted to a hydraulic test; by use of a helium mass spectrum detection system, leak rate detection of gas micro-molecule under high pressure is realized.

The invention discloses a wide-angle large-aperture mirrorless camera and a prime lens, and relates to the technical field of cameras. The wide-angle large-aperture mirrorless camera comprises the prime lens; and an image pickup element configured to receive an image formed by the prime lens. The prime lens sequentially comprises a first lens group with positive focal power, a diaphragm and a second lens group with positive focal power from an object plane side to an image plane side. The prime lens satisfies the following conditional expressions: 22 mm<EFL<30 mm; Fno<1.3; and 1<EFL/BFL<2, wherein the EFL is the overall focal length of the prime lens, the Fno is the relative aperture of the prime lens, and the BFL is the optical back focus of the prime lens. According to the wide-angle large-aperture mirrorless camera, the rear focal length of a proper size is selected, so that the possibility that the rear focal length of the wide-angle large-aperture mirrorless camera is too large is reduced, the possibility that the focal power of the second lens group is too large is further reduced, and design and processing of the second lens group are facilitated.

The invention provides an optical power microwave testing device and method based on dye optical sensitization characteristics. The device comprises a coaxial resonant cavity, an optical fiber, an optical sensitization dye, a light source, a light source fixing bracket and a vector network analyzer, wherein the vector network analyzer is connected with the coaxial resonant cavity through a microwave cable; the surface of the optical fiber is coated with the optical sensitization dye, and the end, coated with the dye, of the optical fiber is vertically placed in a test hole of the coaxial resonant cavity; the light source is fixed by the bracket and vertically irradiates the test hole of the coaxial resonant cavity. The device has the characteristics of high test precision, good test stability, low use and maintenance cost and low requirements for sample placement; besides, the optical sensitization dye is adopted, wide spectrum detection from red light to purple light can be achieved;the coaxial resonant cavity with concentrated field strength and high quality factor is adopted, and real-time response to the instantaneous change of the radiation power of the light source can be achieved in the test process, so that accuracy of test results is ensured.

The invention discloses a non-uniformity compensation winding of a slender non-moment coil and a compensation method. Compensation windings are symmetrically added at two ends of the non-moment coil,the length of an external winding of the slender non-moment coil is L, the outer diameter of the external winding of the slender non-moment coil is D, the distance between the compensation windings atthe two ends is l, the diameter of the compensation windings is d, the number of turns of the compensation windings is w, and the parameters satisfy conditions that: d=D; w=1; when L/D is equal to 7,l/L ranges from 0.676 to 0.678; when L/D is equal to 8, l/L ranges from 0.782 to 0.784; when L/D is equal to 9, l/L ranges from 0.887 to 0.889; and when L/D is equal to 10, l/L ranges from 0.992-0.994. The non-uniformity compensation winding reduces the length of the non-moment coil, and can decrease the cost of a low-frequency low-intensity magnetic field test system.

The invention relates to multi-station stamping processing equipment and a turnover mechanism thereof. The turnover mechanism comprises a concave mold body and a convex mold body, wherein a turnover cavity for turning over a part to be stamped by virtue of self-gravity is arranged on the concave mold body; the turnover cavity is through horizontally, the left end of the turnover cavity is used forintroducing the part to be stamped, and the right end of the turnover cavity is used for allowing a jacking mechanism of the stamping processing equipment to jack the turned-over part to be stamped;an inserting space is formed in the convex mold body; while the inserting space moves rightwards in the convex mold body, the part to be stamped is inserted from the horizontal state, and is pushed into the turnover cavity; a feeding rod body can be arranged in the inserting space and can be rightwards jacked by a hitting mechanism of the stamping processing equipment; the part to be stamped is separated from the inserting space and is only supported by a wall surface of the turnover cavity; the right side of the turnover cavity is equipped with an ejecting part for leftwards ejecting an ejecting mechanism of the stamping processing equipment; the turned-over part to be stamped is jacked out of the turnover cavity from the vertical state, so that turnover of the part to be stamped is realized, and thus, continuous processing, on the stamping processing equipment, of workpieces is realized.