308results about How to "Reduce design size" patented technology

The present invention provides a motion capturing system and method based on a CAN bus and an inertial sensor, for tracking and capturing motion information of a human body in a real-time manner. The system comprises an inertial sensing node combination, a data aggregation node, and a central computer. The inertial sensing node combination contains 18 inertial sensing nodes, collects an accelerated speed, an angular speed, and geomagnetic information data of each bone point part in a real-time manner, and performs attitude estimation by using a complementary integration filtering algorithm, so as to obtain data, such as a quaternion and an euler angle, of an three-dimensional attitude of the current bone point. The data aggregation node is connected to the 18 inertial sensing nodes, is configured to collect, in a time-sharing manner, three-dimensional attitude data of each bone point obtained by the 18 inertial sensing nodes, and send the collected data to the central computer by using a wireless wifi module. A main task of the central computer is to complete functions of collecting motion data transmitted from the data aggregation node and driving a virtual 3D person model by using the motion data.

A voice coil motor comprises a stator which is a reverse L-shaped magnetic yoke and also can be taken as a shell. The voice coil motor is characterized in that one end is provided with an opening, and the other end is not completely closed and provided with a hole; magnetite is placed on the inner wall of the shell; a base plate is matched with the shell, and a lower magnetic yoke plate is arranged on the base plate; a rotor drives a coil to be wound on a lens supporting body of an outer cylindrical surface; the connecting way is that the rotor is hung inside a stator by an upper plate type shrapnel and a lower plate type shrapnel; a frame of the upper shrapnel is fixed by an upper support chip and the magnetite, and the circular arc at the inner side is bonded with the upper end part of the lens supporting body; a frame of the lower shrapnel is fixed by a lower support chip, and the circular arc at the inner side is bonded with the lower end part of the lens supporting body. By utilizing a closed magnetic circuit formed by the reverse L-shaped shell and the magnetic yoke plate, the voice coil motor improves the stability of the magnetic circuit; the closed metal space region can be used for preventing electromagnetic radiation; the shell serves as an assembled framework, and the coil is directly wound on the cylindrical surface of the lens supporting body, so that the number of air gaps among movable bodies in the magnetic circuit is reduced. Therefore, the voice coil motor has the advantages of compact structure, low processing difficulty of the parts, simple assembly technology and strong practicability.

The invention discloses a fuel battery automobile mixing power system, which comprises the fuel-battery sub-system, the accumulator branch system, the power diode, the bidirectional DC / DC converter, the 24VDC / DC converter and the electric machine controller. The fuel battery connects to the electric machine controller through the power diode linking to the bidirectional DC / DC converter, the accumulator group paralleled connects in front of the electric machine controller, and the input terminals of the bidirectional DC / DC converter paralleling connect the assistant equipment of the fuel battery and the 24VDC / DC converter. At the beginning of the startup of the whole system, the fuel battery system will not start immediately, and the accumulator system provides the power for the system, and when the fuel battery system is started and works normally it provides the power for the whole power system. The invention reduces the power volume of DC / DC converter and the design size, improves the reliability of the operation of the whole power system and the efficiency of the system running.

The invention discloses a device with multiple sections of telescopic jibs, comprising a fringe connection part and a bolt connection part; the fringe connection part comprises at least two sections of telescopic jibs located in the inside and connected with a travel cable through a turning wheel; the bolt connection part comprises at least one section of telescopic jib located at the outside and connected with a cylinder pin through a jib pin and a basic jib (211); a cylinder tube (281) of a telescopic cylinder (28) is connected with the outmost section of telescopic jib of the fringe connection part. Therefore, in the extending processing of the telescopic jibs, each section of telescopic jib of the fringe connection part extends synchronously, which increases the extending speed of the device with multiple sections of telescopic jibs as well as the working efficiency; at the same time, because the fringe connection part is connected with the bolt connection part by the jib pin (262), and the axial force between the telescopic jibs is transmitted through the jib pin, the stress condition of the telescopic cylinder (28) is improved, the size is reduced properly so as to reduce the cost. The invention further discloses an automobile crane comprising the device with multiple sections of telescopic jibs.

The invention belongs to the technical field of robots and particularly relates to an intelligent modular hollow joint. The intelligent modular hollow joint comprises a motor, a brake, an incremental encoder, a harmonic reducer, an absolute encoder, a torque sensor, a hollow wiring tube and a tail-end output shaft. The brake and the incremental encoder are arranged on a rear end cover of the motor and in transmission connection with the rear end of a motor output shaft through a transmission device, the front end of the motor output shaft is connected with the harmonic reducer which is connected with one end of the tail-end output shaft, the outer end of the tail-end output shaft is connected with the torque sensor, and the absolute encoder is mounted on the tail-end output shaft. The motor output shaft and the tail-end output shaft are both in hollow structures, the hollow wiring tube sequentially penetrates through the tail-end output shaft, the harmonic reducer and the motor output shaft, and one end of the hollow wiring tube is connected with the rear end cover of the motor while the other end of the hollow wiring tube is rotatably connected with the tail-end output shaft. The intelligent modular hollow joint in modular design is applicable to robot joints, and all parts of the intelligent modular hollow joint are replaceable to make it convenient for modification.

A method for designing the non-air-gap smooth-filling casting features controlling the filling smoothness, lowering the filling speed, preventing air and oxidized film from coming in molten metal, reducing the size of pouring channel, and increasing the technological output rate. Its casting system has a pouring cup, a plug rod system connected with said pouring cup and opened when filled molten metal in the pouring cup reaches its 1 / 2-1 / 3 height, and the arc corner between vertical and horizontal pouring channels. Its pouring speed is 0.5-1.0 m / s.

A micro oscillating element includes a frame and an oscillation section connected to the frame via a torsional joining section. The oscillation section includes a movable functional section, an arm section and a first comb-tooth electrode. The arm section extends from the functional section. The first comb-tooth electrode includes first electrode teeth extending from the arm section in a direction intersecting the arm section. The micro oscillating element further includes a second comb-tooth electrode to cooperate with the first comb-tooth electrode for causing the oscillation section to oscillate about an oscillation axis defined by the torsional joining section. The second comb-tooth electrode includes second electrode teeth extending from the frame in a direction intersecting the arm section.

The invention relates to a telescopic arm open-cut rock drilling jumbo with a drill rod replacing device. The telescopic arm open-cut rock drilling jumbo comprises a cab, a chassis assembly, a propeller assembly, a telescopic arm, the drill rod replacing device, a rock drill, a control system and a power and air control system 36; the cab is arranged on a cab bottom plate of the chassis assembly, the control system is arranged in the cab, and the control system is connected with the power and air control system; the telescopic length, the pitching angle and the deflection angle of the telescopic arm, the elongation of a propelling beam and the pitching angle of the cab are controlled by the control system; the arm seat of the telescopic arm is fixedly arranged at the front end of the cab, the propelling beam is in sliding fit with the telescopic arm through a bracket on a compensation cylinder, the telescopic end of the compensation cylinder is fixedly connected to the propelling beam, and extending compensation of the propelling beam can be realized by stretching of the compensation cylinder; and the drill rod replacing device is fixed on the propelling beam and positioned below a transmission rod, and the rock drill is fixed at the upper end of the propelling beam. The multi-azimuth drilling requirement of the jumbo can be met, and the gravity center of the whole jumbo is kept stable.

The invention relates to a waste heat recovery system of a marine diesel engine, specifically to a waste heat power generation system of a marine diesel engine based on the organic Rankine cycle, comprising a waste gas boiler which is installed on a ship and takes the waste heat of the marine diesel engine as a heat source. The waste gas boiler is equipped with an evaporator which takes hot water in the boiler as a heat source, wherein the evaporator can heat an organic working medium circulating through the evaporator and generate steam. A medium steam outlet of the evaporator passes through a steam turbine and connects to a booster pump inlet through a cooling medium reflux inlet of the steam turbine, and a booster pump outlet is connected to a medium inlet of the evaporator. The steam turbine drives a generator to make electricity. The waste heat power generation system provided by the invention can improve the efficiency in utilizing the waste heat of marine diesel engines, having a compact structure and reliable operation.

A diaphragm pump includes a pump chamber having an inlet opening and an outlet opening. A passive silicon check valve is provided at the inlet opening, and a passive silicon check valve is provided at the outlet opening. The diaphragm pump further includes a metallic pump diaphragm that adjoins the pump chamber.

The invention relates to a machinery device for improving resolution of an angle encoder and measurement precision. The device comprises a connection coding disc rotating shaft bearing seat (1), connection coding disc rotating shaft bearings (3), a connection coding disc rotating shaft (4), a coding disc (5), a driven gear (6), an angle coder base seat (7), input shaft bearings (8), an input shaft (9) and a driving gear (10), wherein the input shaft (9) is mounted on the angle coder base seat (7) through the two input shaft bearings (8), the connection coding disc rotating shaft (4) is mounted on the connection coding disc rotating shaft bearing seat (1) through the two connection coding disc rotating shaft bearings (3), the connection coding disc rotating shaft bearing seat (1) is mounted on the angle coder base seat (7), the driving gear (10) is arranged on the input shaft (9), the driven gear (6) is arranged on the connection coding disc rotating shaft (4), the driven gear (6) and the driving gear (10) are engaged, the input shaft (9) is connected with a detected object, and the coding disc (5) is arranged on the connection coding disc rotating shaft (4). The machinery device greatly improves the resolution and measurement precision by adding a variable gear transmission device.

The invention discloses a lining coating technology for a spheroidal graphite cast iron tube. The lining coating technology is characterized by comprising the following steps of 1, polishing the inner wall of a blank tube, and performing shot blasting; 2, putting the treated tube on a riding wheel of lining coating equipment through a transferring tool, and switching on a variable-frequency motor connected with the riding wheel to drive the tube to rotate at the rotating speed of less than or equal to 50rpm; 3, switching on a heating fire gun arranged below the tube to preheat the outer wall of the tube, and controlling the temperature between 140 DEG C and 230 DEG C; 4, after preheating is finished, uniformly distributing polyvinyl chloride or polyethylene or ABS (acrylonitrile butadiene styrene) engineering plastic or polytetrafluoroethylene or polypropylene powdered substances on the inner wall of the tube through a material distribution trolley to form a lining layer, and then cooling the lining layer, wherein in the cooling process, the tube is continuously rotated until the tube is completely cooled. The problem of the influence, which is caused by a fact that the lining layer prepared by an existing lining coating technology for the spheroidal graphite cast iron tube is easy to fall off, on normal mounting, the use of metering equipment, the sanitation of water quality and the like is solved; the manufacturing cost of the lining layer is reduced.

The invention relates to an ultrasound A / B shaft detection device used for a complex structure, which can realize five-axle linkage of an ultrasound detection device and is used for ultrasound detection of various complex surfaces. The conventional three-axle linear motion can not satisfy the requirement that a central axis of a sensor is vertical to the surface of a to-be-detected material when the detection is carried out. Through the A / B shaft device, the rotation at any angle can be realized, as a result, the requirement is satisfied and the accuracy and the reliability of the detection are improved. The A / B shaft provided by the invention is particularly suitable for detecting the complex surfaces, such as inclined surfaces, canal surfaces and grooves.

A system that reduces the size of a design data set. During this design data set reduction operation, the system computes a decision boundary which separates a first group of data patterns in a training data set from a second group of data patterns in the training data set. For each data pattern in the training data set, the system determines if removing the data pattern from the training data set substantially affects the resulting decision boundary. If so, the system marks the data pattern as a key pattern. The system then removes all data patterns that are not marked as key patterns to produce a reduced training data set which represents the decision boundary.

The present invention provides a double helix nanophase ecosphere, having continuous double-helix, the surface is formed by extending of mass bends or each S shaped part. Each part shows radial arrangement to achieve maximal surface area and provide void ratio. This new design provides countless pleats on the surface of the double-helix, so as to have fantastic specific surface and poriness; and it further has stronger impact strength and tensile yield strength. The conglobulation of the invention contains nano ceramics powder, vinyl chloride monomer and all kinds of stabilizing agent and forming agent. The double helix nanophase ecosphere is used for water treatment, air purification, auto air filter, central air condition cycle water treatment, flowers and trees industry, health products industry, industrial filtering material, chemical fillings, catalyst carrier, the invention also provides a preparing method and use of the ecosphere.

The invention discloses a multi-parameter sensor based on a photonic crystal fiber. An input end and an output end of the sensor are respectively provided with an input coupler and an output coupler, an annular photonic crystal fiber cavity is formed in the way that a section of hollow photonic crystal fiber is connected between the two couplers, and the section of hollow photonic crystal fiber is used as a sensing head of the multi-parameter sensor. The invention also discloses a multi-parameter measurement system which comprises a signal acquiring, processing and displaying module and the multi-parameter sensor, the sensor is respectively connected with a light source and a photoelectric detector through the input coupler and the output coupler thereof, and the photoelectric detector is connected to the signal acquiring, processing and displaying module. The invention additionally provides a pressure measurement system comprising the multi-parameter measurement system and a pressurizing device arranged on the sensing head, and the pressuring device comprises a plenum chamber, a photonic crystal fiber clamp, a connector and the like. The multi-parameter sensor and measurement system of the invention has the advantages of simple and convenient operation, simplified structure, high measurement precision, easy miniaturization and standardization design and the like.

The invention discloses a waste gas waste heat power generation system of a ship diesel generator based on an organic Rankine cycle. The system comprises a waste gas boiler, an organic working medium expander, a reducer, an alternating current generator, a regenerator, a condenser, an organic working medium booster pump and an evaporator which is installed on the waste gas boiler, wherein an organic working medium outlet of the evaporator is connected with an inlet of the organic working medium expander, a rotating shaft of the organic working medium expander is sequentially connected with the reducer and the alternating current generator, an outlet of the organic working medium expander is sequentially connected with a first inlet of the regenerator and a first outlet of the regenerator, the first outlet of the regenerator is connected with an inlet of the condenser, the outlet of the condenser is connected with an inlet of the organic working medium booster pump, an outlet of the organic working medium booster pump is sequentially connected with a second inlet of the regenerator and a second outlet of the regenerator, the second outlet of the regenerator is connected with an organic working medium inlet of the evaporator, and waste gas generated by a ship diesel generating unit is fed into the waste gas boiler. By the aid of the system, the waste gas waste heat of the ship diesel generating unit is effectively recycled.

The invention provides a diafiltration device, which comprises a sampling component, a top cover and a sample tube body, wherein a through hole is formed in the center of the top cover; the sampling component comprises a connecting cylinder and a sampling part, the connecting cylinder is concentric with the through hole and is connected with the through hole in a rotating manner, the sampling component is concentrically connected with the connecting cylinder and can collect suspension; the sample tube body can be connected with the top cover so that the sample tube body is arranged at the outer side of the sampling component in a sheathed manner. The through hole, the connecting cylinder and the sampling part, which are coaxially arranged, replace a sampling component and an insertion hole which are simultaneously arranged on a top cover with an original structure, the dilution, mixing and sampling operations of the diafiltration device can be realized only by the through hole in the center of the top cover, the problem that the occupation area is large as the sampling component and the insertion hole are simultaneously arranged on the top cover can be solved, the design dimensions of the top cover and the sample tube body can be reduced, and the space resources can be saved. The invention further provides equipment for making a defecate detection solution by matching with the diafiltration device, and a method for making the defecate detection solution.

The present invention relates to low temperature sintered microwave dielectric ceramic with high dielectric constant and its preparation process. The preparation process includes mixing material including Li2CO3, Nb2O5 and alcohol, stoving, calcining, adding V2O5 and self-made ZnO-B2O3-SiO2 glass, mixing, drying, pressing into disc and sintering. The present invention features the sintering temperature lowered through the synergistic effect of V2O5 and ZnO-B2O3-SiO2 glass, regulated temperature coefficient of material frequency, improved powder and slurry characteristic, excellent co-sintering matching property with silver electrode, good microwave dielectric performance obtained through sintering at about 900 deg.c and stable technological process. The low temperature sintered microwave dielectric ceramic material may be used in various kinds of microwave devices.

The present invention relates to an under-floor system for providing a functional space for an aircraft. The under-floor system comprises a support-member structure and a cover element. The support-member structure is designed such that the support-member structure can be fastened to an aircraft structure element. The cover element can be fastened to the support-member structure such that the cover element is spaced apart from, for example, the aircraft floor. By means of spacing the cover element apart from the aircraft floor, the functional space can be provided.

The invention discloses an ion implantation system comprising an ion source and a leading-out device, wherein a scanning magnet, a mass analysis magnet, a correcting magnet, a speed changing device and a workpiece scanning device are arranged on a transmission path of an ion beam current in sequence; the system also comprises an adjusting magnet arranged on a beam current transmission path between the mass analysis magnet and the correcting magnet; and the adjusting magnet is used for diverging or gathering beam currents in the scanning direction. The invention also discloses an ion implantation method realized by using the ion implantation system. According to the invention, lower energy consumption and higher beam current utilization efficiency are obtained so that the production efficiency can be largely enhanced; in addition, the ion implantation system and method, disclosed by the invention, are also beneficial for optimizing the dose uniformity and the angle uniformity of the beam currents.

The invention discloses a long-focus module, which comprises a first prism, a first lens unit, a second prism, a second lens unit and a sensing element, wherein the incident parts of the first prism,the first lens unit and the second prism form a first light incident path, the exit part of the second prism, the second lens unit and the sensing element form a second light incident path, and the second prism inverts a propagation path of light, so that the first light incident path and the second light incident path are positioned on the same side of the second prism. According to the invention, through the reverse design of the second prism, the light propagation path is divided into the first light incident path and the second light incident path, and the zoom lenses are respectively arranged on the first light incident path and the second light incident path, so that the problem that the size of the long-focus module is too large due to the zoom requirement is solved. The invention further provides a double-camera module and electronic equipment.

The invention relates to the field of phased-array antennas, in particular to a phased-array antenna capable of realizing left-handed and right-handed circular polarization switching. The antenna comprises N 2 * 2 TR sub-arrays. Each TR sub-array comprises four phased-array antenna radiation units, and the number of TR channels of each TR sub-array is 1 * 4. Each phased-array antenna radiation unit comprises a patch and a feed point A located on the patch, and each phased-array antenna radiation unit is a single feed point. Only one set of phased-array antenna equipment in the scheme is used,the functions, such as left-handed and right-handed polarization switching, of two sets of phased-array antenna equipment in the past can be achieved, the cost and the structural size are greatly reduced, and the parasitic effect generated by using an active device is avoided. The antenna is mainly realized through an n-in-one multifunctional chip in combination with phased-array antenna layout.

The invention discloses a graphene annular loop fan-shaped loading patch-based implantable circularly polarized antenna. The radiation patch and ground plate of the antenna are both made of multilayergraphene films; since the multilayer graphene films are adopted to process the antenna, the performance of the antenna can be improved, loss is effectively reduced, and transmission efficiency is improved. Four fan-shaped loading patches are additionally arranged on an annular loop, and therefore, the design size of the antenna can be effectively reduced. Rectangular stubs which have the same size and are arranged in a staggered manner are additionally installed between the four fan-shaped loading patches, so that an interdigital capacitor structure is formed, and therefore, the resonance frequency of the implantable antenna is reduced. Conduction bands are slotted, and rectangular open-circuit protrusions are additionally adopted, and therefore, geometric perturbation is generated, and acircular polarization characteristic is generated. The size of the antenna is only 5.5*5.5*0.635mm<3>. The graphene annular loop fan-shaped loading patch-based implantable circularly polarized antenna has the advantages of wide frequency band, circular polarization, miniaturization, good anti-interference performance, good biocompatibility and the like. The antenna is suitable for a WMTS 1.43GHzfrequency band. The working requirements of the antenna implanted into a complex environment can be satisfied.

The invention relates to the field of phased-array antennas and especially relates to a phased-array antenna capable of realizing arbitrary polarization switching. The phased-array antenna comprises phased-array radiation units and a TR channel module. The TR channel module comprises N 2*2 TR sub-arrays, each TR sub-array comprises four radiation units, and the number of TR channels of each TR sub-array is 2*4; each phased array radiation unit comprises a patch, a feed point A and a feed point B, wherein the feed point A and the feed point B are located on the patch; and each phased array radiation unit carries out double-feed-point feeding. In the invention, one set of phased-array antenna equipment is used to realize functions of linear polarization, left-hand circular polarization, right-hand circular polarization and the like which are possessed by three sets of phased-array antenna equipment in the past so that cost and a structural size are greatly reduced, and a parasitic effectgenerated by using active devices is avoided.

The invention provides a passive containment cooling and pressure-reducing system. A reactor is arranged in the containment. The system includes a containment pressure-inhibiting sub system and a containment cooling sub system, wherein the containment pressure-inhibiting sub system includes a pressure-inhibiting water tank and a discharge channel arranged in the containment. The containment cooling sub system can be arranged in various structures. The containment cooling sub system and the containment pressure-inhibiting sub system are passive and are free from being driven by external power supplies. In the invention, by means of the passive measurement for reducing vapor amount and reducing gas temperature, the pressure in the containment is reduced, so that not only are functions of early-stage peak clipping and pressure reducing and long-time cooling and pressure reducing satisfied but also the volume of the containment is not necessary to increase, thereby reducing design size of the containment and furthermore reducing cost.

A system that reduces the size of a design data set. During this design data set reduction operation, the system computes a decision boundary which separates a first group of data patterns in a training data set from a second group of data patterns in the training data set. For each data pattern in the training data set, the system determines if removing the data pattern from the training data set substantially affects the resulting decision boundary. If so, the system marks the data pattern as a key pattern. The system then removes all data patterns that are not marked as key patterns to produce a reduced training data set which represents the decision boundary.

The invention relates to a stepper for juxtaposedly pushing three or four piezoelectrics and a scanning probe microscope body thereof, in particular to a piezoelectric locator comprising three or four piezoelectrics, a base and slide blocks, wherein the three or four piezoelectrics which are triangularly or squarely arranged and are parallel in the telescopic direction are juxtaposedly fixed and elevated on the base; the slide blocks which are in sliding match with the three or four piezoelectrics in the telescopic direction are provided; positive pressures which enable the slide blocks and the free ends of the piezoelectrics to be pressed are arranged in the direction vertical to the telescopic direction; in the largest breakout friction to the slide blocks, which is generated by the three or four positive pressures, any largest breakout friction is smaller than the sum of other two or three frictions; the slide blocks press the free ends of the piezoelectrics through elastic force; the piezoelectrics and the base can be arranged integrally, and a piezoelectric scanatron fixed on the base is coated outside the stepper, thus a scanning probe microscope body which can work in a small space is formed. The invention has small size, simple and firm structure, and large working temperature zone and driving force, is suitable for various extreme physical conditions and approaches to an ideal stepper.

The invention relates to an absorbable iron-based alloy implantation medical appliance which includes an iron-based alloy base body, a degradable polymer formed on the surface of the iron-based alloy base body, and a corrosion inhibiting layer formed on the surface of the iron-based alloy base body. The corrosion inhibiting layer can delay corrosion on the iron-based alloy base body in early stage and ensures mechanical performances of the implanted medical appliance in early stage, and also can inhibit degradation of the polymer in the early stage of implantation of the medical appliance, thereby reducing usage amount of the degradable polymer and reducing risk of inflammation reaction.