341results about How to "Low manufacturing process requirements" patented technology

The invention discloses microcrystalline glass containing rare earth mixing yttrium aluminum garnet (YAG) phase and a preparation method thereof. A glass matrix material uses SiO2, B2O3, Na2O, BaO, K2O, ZnO, CaO and Li2O as raw materials and is obtained by melting and fusing, a general form of yttrium aluminum pomegranate stone microcrystal materials containing the rare earth is (Y1-XLnX)3A15O12, Ln is Ce, Eu or Nd, X=0.03-0.08, and the glass matrix material and the yttrium aluminum pomegranate stone microcrystal materials containing the rare earth are melted and fused according to the weight ratio of 95:4-6. The microcrystalline glass containing the rare earth mixing the YAG phase is obtained by annealing. The microcrystalline glass is semi-transparent, the microcrystalline glass containing the rare earth mixing the YAG phase is small in crystal particle, the microcrystalline glass is good in dispersibility of rare earth mixed YAG phase crystal, rare earth ion basically enters YAG crystal lattices, and the rare earth ion is also good in dispersibility, so that the microcrystalline glass is excellent in optical property and strong in fluorescence, and can be obtained through a two-step fusion method, melting and fusing temperature is low and lower than 100 DEG C, requirements of a preparation process are low, production cost is low, and the microcrystal materials are good in uniformity.

The invention discloses a control device of a micro-ring optical switch. An optical signal is sent to a spectrum detection unit after being processed through a micro-ring optical switch unit. The spectrum detection unit detects spectrum changes and conducts photoelectric signal conversion. An electrical signal output by the spectrum detection unit sequentially passes through a digital signal processing unit and a driving signal generating unit so that an appropriate driving signal can be generated. Micro-ring optical switch driving and temperature control over a chip are completed through a driving unit. In this way, no cryogenic temperature compensation is needed by the micro-ring optical switch, the defect that the micro-ring optical switch is degraded when affected by temperature drifting is overcome, the process requirement for manufacturing is lowered, and the control device can be applied to high-speed exchange networks.

A method for converting focal plane array image space ¿C time includes obtaining picture of optical fiber positioning to position each optical fiber center by using scan system to scan uniform white scale object with sufficient brightness at each time of imaging first, then obtaining series image by scanning actual objects and finally reviving them to be original image through space ¿C time conversion, integral operation and time conversion.

The invention discloses an organic photolectronic device with an updoped gain layer, and the structure of the device at least comprises a substrate, a first electrode layer, an organic functional layer, and a second electrode layer; wherein, the organic functional layer comprises an electron transfer layer or an electron acceptor layer, which is characterized in that updoped gain layer with the function of improving electron mobility is equipped in the electron transfer layer or the electron acceptor layer, the thickness of the gain layer is smaller than 5nm and the materials are metal or organic compound with strong electron withdraw groups. The device overcomes the defects of existing technology, improves electron mobility effectively, balances the amount of current carriers such as electrons and cavities inside the device, and has simple structure, low cost and high efficiency.

The invention discloses an organic thin-film transistor gas sensor, belonging to the field of gas sensors. The organic thin-film transistor gas sensor employs a bottom-grid bottom contact structure and comprises a grid positioned below an insulating substrate, source and drain electrodes located on the insulating substrate and a surface active layer. The organic thin-film transistor gas sensor is characterized in that interdigital electrode structures are employed as the source and drain electrodes; the active layer is divided into two symmetric zones with the symmetric central axis of the interdigital electrodes as a symmetric axis; and both the zones are deposited with organic semiconductor gas-sensitive films with different response to same specific gas. The sensor provided by the invention can improve gas selectivity of the sensor, enhances the phenomenon of baseline drift and shows improved stability and accuracy; the sensor has the advantages of a fast reaction speed, convenience in measurement and carrying, a wide application scope, etc.; and the sensor can be produced in large scale and meets practical needs.

The invention provides a self-supporting gallium nitride layer, a preparation method therefor, and an annealing method. The preparation method at least comprises the following steps: providing a substrate; forming a first gallium nitride buffering layer on the substrate; forming a patterned mask layer on the first gallium nitride buffering layer, and carrying out the annealing under the atmosphere of ammonia gas, wherein the patterned mask layer is provided with a plurality of openings; forming second gallium nitride buffering layers on the patterned mask layer and in the openings; forming gallium nitride layers on the second gallium nitride buffering layers, and carrying out the high-temperature annealing; carrying out the cooling, enabling the gallium nitride layers to be automatically peeled off from the substrate, so as to obtain the self-supporting gallium nitride layer. According to the invention, the preparation method is lower in requirements for the preparation technology, and can achieve the quick automatic peeling of the gallium nitride layers. Moreover, the thermal stress generated in a peeling process cannot affect the gallium nitride layers, so the self-supporting gallium nitride layer with the high finished product rate can be obtained.

The invention relates to a stepless speed-changing device, comprising an input cone pulley, an output cone pulley and a transmission chain of the input cone pulley and the output cone pulley, wherein the axis of the input cone pulley is parallel to that of the output cone pulley, and the orientation of the cone surface of the input cone pulley is opposite to that of the cone surface of the output cone pulley. The stepless speed-changing device is characterized in that a contact transmission unit on the transmission chain has a rotating freedom degree on the plane which is vertical to the self center point and surrounds the moving direction of the input cone pulley and the outer cone pulley, and can adapt to the change of the orientation of the conical surfaces so as to adjust the inclined direction automatically. The selection of the manufacturing materials of the contact transmission unit and the cone pulleys and the conical-degree sizes of the cone pulleys meet the self-locking condition for generating friction; and the static friction coefficient among the contact transmission unit and the cone pulleys is larger than the tangential value of the conical degree of the cone surface. The peripheries of the input cone pulley and the output cone pulley are provided with sliding grooves along the bus direction, and variable-diameter sliding blocks slide along the sliding grooves to change the working diameter, so that the stepless speed-changing transmission is realized.

The invention provides an automotive expansion tank assembly. The automotive expansion tank assembly comprises a non-pressure-withstanding chamber, a non-pressure-withstanding tank cover, a pressure-withstanding chamber, a pressure-withstanding tank cover, a siphon and a chamber connection tube, wherein the non-pressure-withstanding tank cover is matched with the non-pressure-withstanding chamber, the pressure-withstanding tank cover is matched with the pressure-withstanding chamber, and the chamber connection tube is connected with the non-pressure-withstanding chamber and the pressure-withstanding chamber; the siphon is arranged in the non-pressure-withstanding chamber and communicated with the chamber connection tube, the pressure-withstanding chamber participates in circulation of a cooling system of a whole automobile and is full of liquid all the time, and the non-pressure-withstanding chamber does not participate in circulation of the cooling system. The automotive expansion tank assembly is simple in structure, low in requirement for a manufacturing process, low in cost and light in weight.

The invention relates to a half mode substrate integrated waveguide (HMSIW) filter with adjustable central frequency and bandwidth. The HMSIW filter formed by laminating two layers of dielectric-slabs is utilized, the area of an upper-layer dielectric-slab is larger than that of a lower-layer dielectric-slab, a physical space is provided for loading of a tuning element, and the tuning of the central frequency and the bandwidth is achieved by loading a varactor; a metal layer of the upper-layer dielectric-slab is sunken, and a sunken part metal layer and a metal layer of the lower-layer dielectric-slab form a relatively high capacitance effect; the reduction of the resonant frequency is not dependent on the increase on the size of a resonant cavity any longer, the frequency is tuned by the varactor externally loaded and connected in parallel, a frequency tuning mode of an SIW structure is creatively achieved; and meanwhile, with the introduction of an HMSIW, the requirement of a modern radio frequency communication system on miniaturization is met, and the problem that a traditional cavity filter is difficult to tune by externally loading a tuning element is solved.

The invention supplies thin bed spectral electro-chemical detecting pool. It is formed by a pair of light permeated boards and diaphragm. Main body upper center is set liquid storing pool cavity. Its lower part diaphragm body is set U shape opening to form sheeting spectra electro-chemical detecting pool in which grating light permeated electrode is set. Its lead wire passes through the sealing-plug in which reference electrode, counter electrode, inert gases inlet pipe and out pipe, are set. The detecting pool bottom is set liquid outlet pipe. The invention has the advantages of easy calibrating light path, adjustable thin bed thickness, high electrolysis efficiency, good deoxidizing effect, convenient installing electrode system, simple structure, and good for spectra electro-chemistry method generalization.

The invention relates to an individualized biomimetic dental implant and a manufacture method thereof. The invention is characterized in that the dental implant comprises an implant body for imitating the original tooth root tissue structure of a patient's missing tooth and also comprises a biomimetic artificial alveolar bone structure outer-layer for imitating a patient's alveolar bone tissue structure. The biomimetic artificial alveolar bone structure outer-layer and the external surface of the implant body are combined as a whole. The biomimetic tooth root implant body's outer layer is a 3D printed biomimetic artificial alveolar bone structure outer-layer which is combined with the implant body to form a whole structure, and is similar to the tissue structures of missing tooth's original tooth root and alveolar bone. Thus, the invention provides an ideal implementation scheme of a biomimetic artificial tooth root structure. What is the most important is that the invention provides a structure which is beneficial to bone marrow stem cell and osteogenesis-related cell adhesion, proliferation and mineralization and gives play to final osteogenic function and has good bioactivity. Therefore, a microenvironment for promoting osteogenesis is created, osteocyte generation is induced, and early rapid and firm synosteosis is realized.

The invention relates to the technical field of electronic cigarettes, in particular to an electronic cigarette atomization core and a preparation method thereof. The electronic cigarette atomizationcore comprises a heating body and a tar storage body connected with the heating body; the heating body comprises a first ceramic block and a heating mesh embedded in the first ceramic block; the heating mesh comprises electrodes, a heating wire assembly connected between the electrodes and fixing pins. The depth of the electrodes and the heating wire assembly embedded in the first ceramic block is0.5-1 time of the thickness of the heating mesh; the depth of the fixing pins embedded in the first ceramic block is 0-1 time of the thickness of the first ceramic block, and the included angle between the fixing pins and the heating wire assembly is 0-180 degrees. By means of the mode, the heating mesh is not prone to being separated from the first ceramic block when heated, the requirement formaterial selection of the heating mesh and the first ceramic block is lowered, meanwhile, the requirement for the preparation process of the heating body is lowered, and the production yield is increased.

The invention discloses a waterborne zinc-enriched paint and a preparation method thereof. The preparation method comprises the following steps: pouring a certain amount of a sodium silicate solution into a vessel, heating, continuously stirring while dropwise adding silica sol to mix the sodium silicate solution with silica sol, adding a certain amount of a silane coupling agent, stirring at a high speed, stopping heating, adding a silicone acrylic emulsion after the temperature is lowered to room temperature, and finally adding an appropriate amount of superfine zinc powder, continuously stirring for a certain time to obtain the waterborne zinc-enriched paint. The waterborne zinc-enriched paint is low in price, low in cost, energy-saving, environment-friendly and convenient to process.

The invention discloses a shielding method and a shielding structure of a radio frequency test circuit. The shielding method comprises the following steps that a circuit board is provided with a timing single-side arrangement device and a partition layout circuit; the back side of the circuit board adopts the blind hole design, and a whole block of gold-plated copper sheet is solidly connected with the ground; the upper side and the lower side of the circuit board are respectively provided with a metal shielding cover, the shielding cover at the side of the device is provided with a movable upper cover, and the debugging is convenient; after the circuit is debugged, the movable upper cover is installed, and the device is sealed; and the shielding structure comprises a shielding box, the shielding box consists of a shielding cover, a shielding frame and a shielding board, the circuit board is arranged between the shielding frame and the shielding plate, the circuit board, the shielding frame and the shielding plate are tightly connected through screws, the shielding cover and the shielding frame are independently connected, and the shielding frame, the shielding cover and the circuit board are sealed through striped elastic conducting materials. Measures are adopted in two aspects including the circuit design and the structure design, and the goals of simple structure, small size, convenience in installation and debugging and good electromagnetic shielding effect are reached.

The invention relates to an organic electroluminescence device capable of simulating sunlight and a preparation method thereof, belonging to the technical field of electroluminescence devices. The device comprises a substrate, an anode, a cathode and an organic function layer arranged between the anode and the cathode, wherein the organic function layer comprises a blue fluorescent layer, a phosphor coating and a spacer layer, wherein the blue fluorescent layer and the phosphor coating are separated by the spacer layer; the blue fluorescent layer is made of a non-doped luminescent material with the light-emitting wavelength of smaller than 500nm; the phosphor coating comprises a red phosphor coating, wherein the red phosphor coating is made of a non-doped luminescent material with the light-emitting wavelength of greater than 585nm; and the spacer layer is formed by at least one of hole-type organic semiconductor materials whose hole mobility is greater than electronic mobility. The organic electroluminescence device has a CCT (Correlated Color Temperature) feature of the sunlight and can be prepared through a non-doped technology, and furthermore, the organic electroluminescence device has the advantages of simple structure and low requirements for the preparation process.

The invention provides a sword bean sheller and a sword bean shelling method. The sword bean sheller comprises a rack, a feed hopper, a vibration bed body, a vibration driving mechanism, a clamping roller pair, a shelling roller pair, a roller bearing seat, a roller box body, a transmission mechanism, a main motor, a cleaning comb, a separation screen and a material receiving box, wherein the vibration bed body is fixed on the rack, the feed hopper and the roller box body are respectively fixed on the head end and tail end of the vibration bed body; the clamping roller pair and the shelling roller pair are connected to the roller bearing seat and connected with the transmission mechanism; the clamping roller pair is provided with a clamping opening, the shelling roller pair is provided with a shelling cavity, and the upper surface of the vibration bed body, the central line of the clamping opening and the central line of the shelling cavity are in the same horizontal plane; the transmission mechanism is connected with the main motor; the cleaning comb is arranged on the side of the shelling roller pair; the vibration driving mechanism is connected with the vibration bed body; the separation screen is arranged below the shelling roller pair; and the material receiving box is arranged below the separation screen. The sword bean sheller is high in shelling rate and low in labor intensity.

The invention provides a quantum dot electroluminescent device and a preparation method thereof. The quantum dot electroluminescent device comprises a first electrode layer; a quantum dot light emitting layer disposed on the surface of the first electrode layer; a functional layer disposed on a surface of the quantum dot light emitting layer remote from the first electrode layer, the functional layer includes a first sub-functional layer, a second sub-functional layer and a third sub-functional layer stacked in sequence, the second sub-functional layer comprises an electron transport material,the band gap widths of the materials corresponding to the first and third sub-functional layers are larger than that of the electron transport material, the highest occupied molecular orbital energylevels of the materials corresponding to the first and third sub-functional layers are smaller than that of the electron transport materials, and the lowest unoccupied molecular orbital energy levelsof the materials corresponding to the first and third sub-functional layers are larger than that of the electron transport materials, respectively. A second electrode layer disposed on a surface of the functional layer remote from the quantum dot light emitting layer. By adoption of the quantum dot electroluminescent device, while balanced carrier injection is realized, the material applicabilityis improved.

The invention discloses a respiratory tract drug delivery device and method. According to the device and the method, drugs or particles containing the drugs are charged with charges with certain polarity, the human body is charged with charges with the same polarity as that of the drug particles until the drug particles reach the preset depositing portion along with airflow, and instantly, the polarity of the charges with which the human body is charged is changed, so that the polarity of the charges of the human body is opposite to that of the charges of the drug particles, and the drug particles fast deposit on the surface of the respiratory tract of the preset portion under the effect of electric field force; respiratory tract drug delivery is carried out many times, a current meter or a voltage meter is adopted for monitoring the amounts of electric signals generated by depositing and discharging of the drug particles on the surface of the respiratory tract each time, the total electric signal amount of drug delivery of many times is obtained by accumulating the signal amounts, and the total amount of the drugs depositing on the part of the designated respiratory tract can be calculated out according to the numerical value proportional relation between the discharging signal amounts and the drug depositing amounts obtained through experimental measurement. According to the device and the method, many factors influencing the drug absorption efficiency are overcome, and the adverse reaction is reduced.

The invention discloses a direct-drive wind power conversion structure based on an MMC and a bipolar direct-current transmission structure. The direct-drive wind power conversion structure comprises two direct-drive wind power generators, a machine side converter, a network side converter and a grid-connected transformer. The machine side converter is composed of two independent rectifying circuits, and each rectifying circuit comprises a du / dt filter, a controllable rectifier and a direct-current capacitor. The network side converter mainly comprises three groups of modular multi-level converters (MMCs). The direct-drive wind power conversion structure comprises twelve standard power unit submodules (SM) totally. The bipolar direct-current structure is adopted in the direct-drive wind power conversion structure based on the MMC and the bipolar direct-current transmission structure, so that when single-pole direct-current faults happen to a direct-current line, a fault pole rectification side converter shuts, and direct current output by a fault pole rectification side drops to zero, and in other words, no overcurrent causing the direct-current faults is generated.

The invention discloses an engine tail gas cleanup device. A solid oxide fuel mono-cell with a supporting body comprises the supporting body and a mono-cell unit arranged on the supporting body. The mono-cell unit comprises an anode layer, a cathode layer and an electrolyte layer; one end of the anode layer is coated by the electrolyte layer; the cathode layer is arranged on the other side surface of the electrolyte layer opposite to the coating layer. A solid oxide fuel cell pack with the supporting body comprises the supporting body and a plurality of mono-cell units which are connected in series, and the anode layers of the mono-cell units are closely connected with the supporting body. The engine tail gas cleanup device comprises a plurality of solid oxide fuel cell packs with supporting bodies. A preparation method of the solid oxide fuel mono-cell comprises the steps as follows: preparing a catalyst powder; preparing the porous hollow fiber supporting body; preparing the anode layer; preparing the electrolyte layer and preparing the cathode layer. The cleanup device of the invention could generate electric energy while purifying tail gas.

The invention relates to a silicon-based lithium ion battery negative electrode material and a preparation method thereof, belongs to the technical field of a lithium ion battery, and solves the problems of poor conductivity and short cycle life of the existing silicon-based negative electrode material. According to the method, nanometer zinc oxide is used as a template agent firstly, and throughhydrolysis of organic silicon, core-shell structured ZnO / SiO<2> is prepared; next, ZnO / SiO<2> and Zn powder are mixed to be subjected to high-temperature processing to obtain ZnO / SiO<x> (X is greaterthan or equal to 0 and less than 2); the product is reacted with acid to obtain hollow H-SiO<x>; the surface of H-SiO<x> is coated with polyaniline to obtain H-SiO<x> / PANI; and finally, graphene oxideis adsorbed to the surface of polyaniline and a reduction reaction is performed to obtain H-SiO<x> / PANI / RGO, namely the silicon-based lithium ion battery negative electrode material. The preparationprocess and equipment requirements are low, and the silicon-based negative electrode material is high in stability and conductivity and capable of highly prolonging the service life.

The invention provides a double-parameter and high-sensitivity organic small molecular semiconductor film magnetic sensor, which is an organic electroluminescence material Alq3-based organic semiconductor film device. The magnetic sensor has a laminated film structure, and the structure comprises a substrate, a conductive transparent anode ITO, an organic material functional layer and a LiF / Al cathode from the bottom to the top; the organic material functional layer consists of a hole transmission layer NPB, a sensing layer Alq3: 3 percent doping agent DCM and an electronic transmission layer Alq3; and the electroluminescence intensity of the magnetic sensor is measured by a silicon photoelectric probe and output through a digital universal meter, and the obtained signal is finally acquired by a computer through a data acquisition module. The magnetic sensor also has the advantages of the current popular MR sensor such as low power consumption, high sensitivity, small size and the like, can realize double-parameter (namely magnetic resistance and magnetic luminescence) response, and has good thermal stability at the same time; and the reliability of the sensor is greatly enhanced.

The invention relates to a nano spectral analysis and electrochemical analysis technique, and relates to a dark-field nano spectral electrochemical detection pool for plasma observation. The detection pool comprises a quartz glass plate, a circular electrode and a bearing plate which are all transparent structures, wherein a circular electrode fixing pool, a channel, a flowing injection port and an outflow port on the channel, a reference electrode fixing port, a counter electrode fixing port, a deoxygenization space, an inert gas feeding port, a gas extraction port and an electrode lead connection channel are arranged on the quartz glass plate; and the quartz glass plate and the bearing plate are formed into a sandwich layer, the circular electrode is fastened in the electrode fixing pool, and the quartz glass plate and the bearing plate are hermetically fixed by using screws. According to the invention, a light path is easy to calibrate, an operation of deoxygenization is convenient, and a working electrode is easy to install, remove and replace; and the detection pool has spatial discrimination and micro-area analysis capabilities, so that the detection pool can be used as a technique for carrying out observation and acquisition on resonance Rayleigh scattered spectrums of plasmas generated by single nanoparticles and generated by that single nanoparticles and molecules of an interface solution are interacted under the condition of electrochemical control.

The embodiment of the invention, which relates to the field of display technology, provides a pixel arrangement structure, a display panel, a display device, and a mask plate so that problems of highalignment difficulty, color mixing, and low sub-pixel arrangement uniformity caused by the small opening dimension of the FMM in the prior art can be solved. The pixel arrangement structure comprisesfirst display units and second display units, wherein the first display units and the second display units are arranged in an array and are arranged alternately and successively along a row direction.Each display unit consists of a first sub pixel, a second sub pixel, and a third sub pixel that have three kinds of different colors and are distributed at two adjacent rows. For one group of first display units and one group of second display units adjacent to the first display units in a first direction, the first sub pixels in the first display units and the first sub pixels and the second subpixels in the second display units are arranged at the same row; and the second sub pixels and the third sub pixels in the first display units and the third sub pixels in the second display units arearranged at the same row.

The invention relates to an electrode for a trans-scale glucose biosensor based on a ZnO nanowire and a preparation method thereof. The electrode comprises an optical fiber core taken as a substrate and a gold bonding wire wound on the optical fiber core in a manner of a spiral line; wherein the gold bonding wire is divided into a spiral line part and a lead part; the ZnO nanowire grows in the direction of a spiral line surface normal of the spiral line part by adopting a hydrothermal method; and glucose oxidase is fixed on the ZnO nanowire. The electrode and the preparation method thereof have the benefits that the gold bonding wire is wound on the cylindrical optical fiber core to form a spiral line array structure; secondly, the ZnO nanowire grows at the spiral line part of the gold bonding wire based on a water bath method to form a micro-nanometer trans-scale structure for increasing the adsorption area of the glucose oxidase; and based on the trans-scale structure, the process parameters of the ZnO nanowire are improved to form a specific random rough surface for enhancing the adsorption of buffer solution on the spiral line-shaped electrode and the fixation of the glucose oxidase on the electrode, thereby greatly improving the catalytic efficiency of the electrode for a glucose sensor.

The invention relates to an optical cavity micro-accelerometer based on an integrated input / output terminal, which comprises an optical cavity, a cantilever beam, a substrate, a mass block, an input grating, an output grating, an input optical waveguide and an output optical waveguide. One end of the cantilever beam is connected with the substrate and the other end is connected with the mass block; the cantilever beam is formed by etching; the optical cavity is etched on the upper surface of the cantilever beam and is in the shape of a plane runway. The optical cavity micro-accelerometer is characterized in that the optical cavity comprises a three-layer structure from top to bottom; the optical cavity is integrated with the input / output terminal; and optical input and output ports are integrated with the optical cavity through a grating structure; and the input optical waveguide and the output optical waveguide are integrated with the optical resonant cavity. The optical cavity micro-accelerometer based on an integrated input / output terminal is made by modern MEMS (Micro-electromechanical System) process technology and is applicable to measurement of acceleration of vibration, impact and the like in a magnetic filed environment and a vacuum environment.

The invention provides a preparation method of a xylogen phenolic resin adhesive. The method comprises the steps of preparing activated lignin through microbial fermentation, enabling the activated lignin and phenol to react to partially substitute the phenol, and by adopting a hyperbranched polyester as a medium, utilizing a porous material quartz powder for loading anion powder and xylogen substituted phenol to react with formaldehyde so as to prepare to obtain the xylogen phenolic resin adhesive. The phenolic resin adhesive prepared by the invention is high in abrasion resistance, fast in curing speed, high in adhesion strength, and less in release amount of hazardous substance formaldehyde at the same time, contacts with air to release negative oxygen ions, has a better air purification capacity, belongs to an environment-friendly high polymer material, and has an excellent development potential.

The invention relates to a shock absorber capable of improving generating efficiency by using suspension magnets under a shock absorption working condition, which belongs to the shock absorber which not only has damping comfort but also can recover consumed mechanical energy into electric energy at high proportion. At least one suspension magnet is arranged in the tube body of the shock absorber;the magnetic poles of the suspension permanent magnets are opposite to the magnetic poles of a positioning permanent magnet and a piston permanent magnet; the magnetic poles of the suspension permanent magnets are opposite; at least one generating coil is arranged in the nonmagnetic material inner tube of the tube body and an interlayer space of which the outer layer is a rigid bearing tube; the magnetic pole face of each suspension permanent magnet is provided with a closed loop coil for generating a damping action; and the annular faces of all turns of coils of the generating coil and the closed loop coil are vertical to the centre line of the tube body. The shock absorber capable of improving the generating efficiency by using the suspension magnets under the shock absorption working condition has the advantages that the structure is simple, the cross section is small, the weight is light, the consumed mechanical energy can be recovered into the electric energy at high proportion; and the damping property is good.

The invention discloses a multi-degree of freedom human-simulated rigid-flexible mixing hand and a manufacturing technology thereof, and belongs to the technical field of robots. Each soft finger includes metacarpophalangeal joints and interphalangeal joints, wherein a central air flue communicates with a central air cavity. A plurality of metacarpophalangeal joint air cavities surround the central air flues. A layer of fiber limiting threaded pipes are wound around the metacarpophalangeal joint air cavities. The central air flues and the tail ends of the multiple metacarpophalangeal joint aircavities are inserted into a finger base. A ventilating cavity is formed inside the body of a hard palm, and the hard palm fix the soft fingers through screws. Each central air flue, each metacarpophalangeal joint cavity and each central air cavity achieve air inflow through capillary silica gel hoses. The active degree of freedom is multiple, the human hand joint structure is simulated, and thejoint angle and motion relations are close to human hand parameters. Due to the joint type structure, compared with a continuous bent soft claw, the hand has the larger enveloping space, the grabbingperformance is better, the flexibility is good, and the hand has the good adaptability for soft and fragile objects and unstructured environment.