1208results about How to "Highly integrated" patented technology

The invention provides an electronic device, a ceramic substrate and a preparation method thereof, and relates to the technical field of semiconductors. The ceramic substrate comprises a ceramic base body and a liquid channel layer, the liquid channel layer is arranged in the ceramic base body, the liquid channel layer and the ceramic base body are integrally sintered and formed, the liquid channel layer comprises a liquid channel, the liquid channel is used for containing a cooling medium, and the liquid channel extends in the ceramic base body along a three-dimensional space path. The preparation method of the ceramic substrate comprises the following steps: preparing slurry containing ceramic powder, preparing a sacrificial template matched with a target liquid channel in shape, pouring the slurry to coat the sacrificial template, filling a mold with the slurry to obtain a ceramic blank, removing the sacrificial template to form a hollow channel in the ceramic blank, and sintering to form the ceramic substrate with the liquid channel. The electronic device comprises the ceramic substrate, a component and a liquid cooling circulation system.

The invention discloses a multichannel broadband receiver, and belongs to the technical field of microwave radio frequency and electronic control, the multichannel broadband receiver comprises a multichannel down-conversion assembly, a local oscillator power component, a power interface control panel and a VPX connector, the down-conversion assembly adopts a cavity-divided integrated structure, multiple identical radio frequency links are arranged in the same cavity in parallel, and the VPX connector is connected with the local oscillator power component. Down conversion from a 2-18GHz radio frequency signal to a 1.3-2.3 GHz intermediate frequency signal is realized through two-stage frequency mixing; the power supply interface control board takes an FPGA as a core, integrates the functions of multi-path power supply conversion, driving isolation, state monitoring and the like, and realizes channel gain power failure storage and calling, BIT self-inspection, nanosecond rapid turn-off and multi-parameter real-time monitoring through software and hardware cooperation. Through collaborative innovation of the structure, circuit and control, high integration, high channel consistency, high isolation and high intelligence of the multi-channel receiver are realized, and the multi-channel receiver is suitable for the fields of high-performance radars, electronic countermeasures and the like.

The utility model belongs to the technical field of rare earth hydrometallurgy and comprehensive utilization of resources, and particularly relates to a device for synthesizing a rare earth mixed precipitant in an ammonia-carbon reinforced manner. The utility model discloses a device for intensively synthesizing a rare earth mixed precipitator by ammonia carbon, which comprises an ammonia carbon intensified synthesis reactor, the ammonia carbon intensified synthesis reactor consists of five groups of plate bundles formed by welding herringbone corrugated plate sheets, and the five groups of plate bundles comprise two groups of gasification plate bundles for gasifying liquid carbon dioxide; the three groups of reaction plate bundles are used for mixing ammonia water and water and reacting with the bulk carbon dioxide, the five groups of plate bundles are wrapped by a metal shell, and an ammonia water, water and liquid carbon dioxide inlet and a circulating cooling water inlet and outlet are reserved outside the shell. Compared with a traditional tower reactor, the tower reactor has the remarkable advantages of being high in equipment integration degree, high in reaction efficiency, low in energy consumption and the like, the energy consumption is saved by 50%, the total investment of equipment is reduced by 50%, the occupied space of the equipment is reduced by 90%, and remarkable innovation is achieved.

The invention relates to the field of ocean renewable energy technology utilization, and provides an oscillating water column type wave energy power generation device based on a superstructure, which comprises an oscillating water column main body, a superstructure assembly, a top shell and a power generation unit, and is characterized in that the interior of the oscillating water column main body is provided with the superstructure assembly formed by a plurality of guide plates which are arranged along the radial direction and extend in a horn shape; the oscillating water column body is internally divided into a plurality of independent oscillating water column cavities with gradually-changed sizes by combining with the partition plate assembly, an air chamber is defined by the top shell and the oscillating water column body, and airflow energy generated by water column oscillation driving is converted into electric energy through the power generation unit. The power generation unit can adopt a plurality of split type air turbines to generate power or a general type air turbine to generate power. The special fluctuation performance of the superstructure is fully exerted, efficient broadband capture and wave absorption are achieved, meanwhile, wave loads are effectively reduced, diversified integration of wave energy power generation devices is developed, sea area resources and operation and maintenance cost are saved, and negative environmental influences are reduced.

The invention discloses a multi-point monitoring flexible temperature sensor array system for a deep sea environment. The multi-point monitoring flexible temperature sensor array system comprises a sensing node array composed of a plurality of sensing nodes, a plurality of flexible interconnection wires and a master control node, all the sensing nodes are connected in series through flexible interconnection wires and then are electrically connected with the master control node. The sensing node comprises a ratio type temperature measurement module and a 1-Wire bridging chip, the master control node comprises a 1-Wire master control chip and an MCU, and the flexible interconnection wire is a snakelike wire; the ratio type temperature measurement module collects a sampling signal and transmits the sampling signal to the 1-Wire master control chip through the 1-Wire bridge chip. And the MCU obtains the temperature at the node according to the sampling signal of each sensing node. The flexible temperature sensor array system provided by the invention is simple in structure, stable in performance and insensitive in pressure, and can reliably realize multi-point temperature real-time monitoring in a deep sea environment.

The invention provides a multi-band composite high-integration TR assembly. The multi-band composite high-integration TR assembly comprises a shell, a front multi-layer board, a back multi-layer board, a C / X / Ku band receiving and transmitting circuit, a C / X / Ku band single receiving circuit and a Ka band receiving and transmitting circuit, wherein the front multi-layer board and the back multi-layer board are connected in the shell, the C / X / Ku band receiving and transmitting circuit is connected with the front multi-layer board, and the Ka band receiving and transmitting circuit is connected with the back multi-layer board. The low-cost scheme design of an all-solid-state microwave multilayer board suitable for batch production and testing is adopted, ports and transmission line layout are reasonably designed, multi-band composite mode transmission is achieved in the form of the front face and the back face, a C / X / Ku-band transmitting circuit and an H-polarization receiving circuit are integrated on the front face, and the transmission efficiency is improved. A C / X / Ku frequency band V polarization receiving circuit and a Ka frequency band receiving and transmitting circuit are integrated on the reverse side, different functional circuits are respectively transmitted through a microstrip line and a strip line through an interface circuit structure covering 1-40 GHz and an in-board vertical transition structure, the isolation degree of different circuits is improved, mutual crosstalk between different signals is avoided, and the transmission efficiency is improved. And the functions of high integration, high consistency, ultra wide band, numerical control phase shift, numerical control attenuation and the like of the assembly are realized.

The invention relates to the technical field of rock mechanics and intelligent detection, in particular to a rock strength and failure mode prediction method and system. The method comprises the following steps: acquiring data of a rock sample to be detected to obtain a multi-source feature set; constructing a feature coefficient prediction model, and inputting the multi-source feature set into the feature coefficient prediction model to obtain a feature coefficient; screening the multi-source feature set based on the feature coefficient to obtain an optimal feature subset; constructing a rock strength and failure mode prediction model, and optimizing hyper-parameters of the rock strength and failure mode prediction model by adopting an automatic hyper-parameter optimization framework; and inputting the optimal feature subset into the optimized rock strength and failure mode prediction model to obtain a rock strength prediction value and a failure mode. The problem that rock strength and failure mode prediction precision is not accurate enough and cannot be predicted at the same time in the prior art is solved, and the prediction precision is greatly improved through multi-source data collaborative prediction.

This invention discloses a device and method for sewing curved sheets with varying diameters on a flat knitting machine, belonging to the field of textile machinery technology. The device includes a curling mechanism and a sewing mechanism; the curling mechanism includes a variable-diameter cylindrical device and a matching holding mechanism. The variable-diameter cylindrical device includes an inner cylinder and an outer cylinder, which expand or contract synchronously via corresponding telescopic connecting rods and a central spindle. The holding mechanism is controlled by an electromagnet, achieving precise holding of the curved sheet by switching the magnetic pole direction. Through the curling and sewing mechanisms, this device expands the fan-shaped curved sheet from a two-dimensional to a three-dimensional structure during rotation, while simultaneously achieving automatic edge sewing of the curved sheet. The inner cylinder can move axially relative to the outer cylinder, allowing the sewn curved sheet to automatically detach from the outer cylinder. This invention simultaneously achieves gripping, curling, expansion, alignment, and demolding, and is suitable for sewing curved sheets with varying diameters on both sides.

This application proposes a heat exchange device, including an evaporator comprising an evaporation container and a steam outlet at the top of the evaporation container; a heat exchange tube, the top of which is sealed through the bottom wall of the evaporation container; and a gas-liquid separator disposed within the inner cavity of the evaporation container. The gas-liquid separator comprises a gas-liquid separation container, a gas-liquid inlet pipe disposed on the side wall of the gas-liquid separation container, an exhaust pipe disposed at the top of the gas-liquid separation container, and a drain pipe disposed at the bottom of the gas-liquid separation container. The gas-liquid inlet pipe is connected to the heat exchange tube, the outlet of the exhaust pipe is connected to the inner cavity of the evaporation container, and the outlet of the drain pipe is connected to the inner cavity of the evaporation container. This device integrates the gas-liquid separator entirely within the inner cavity of the evaporation container, eliminating the need for external connecting pipelines, effectively reducing fluid resistance, reducing secondary entrainment of fine droplets, reducing system energy consumption, and improving steam cleanliness and gas-liquid separation efficiency.

The utility model relates to a wall seat structure for installing and fixing a sunshade, which belongs to the technical field of the sunshade and comprises an arm seat frame connecting piece, a transition connecting block is arranged at the front end of the arm seat frame connecting piece, and a bolt through hole connected with the arm seat frame connecting piece through a screw and nut structure is arranged on the transition connecting block. The arm seat frame connecting piece comprises an inserting block, an adjusting connecting block integrated with the inserting block is arranged at the front end of the inserting block, and a U-shaped fixing groove penetrating through the bolt is formed in the adjusting connecting block. The device has the characteristics of simple structure, convenience in installation and high structural strength. The wall body fixing part and the sunshade arm connecting part are connected through the movable transition pivot, so that angle fine adjustment after installation is achieved, and different sunlight irradiation angles or storage requirements are met.

This invention provides an intelligent front-end data acquisition system for boilers, comprising: a detection module, a data acquisition module, and a monitoring module; the detection module is used to acquire unit temperature data; the data acquisition module is a YS-24D data acquisition box, which is used to acquire data from the detection module. This invention provides an intelligent front-end data acquisition system and device for boilers, wherein the data acquisition module uses the YS-24D data acquisition box to acquire data from the detection module at unit temperature measurement points. The YS-24D data acquisition box is high-performance and highly reliable, with a hardware design employing a 32-bit low-power ARM processor, high integration, few peripheral components, high reliability, fast processing speed, high resolution, and reliable and accurate data. It uses a high-performance, high-precision 24-bit A / D converter, with all 24 channels being independent fully differential input loops, providing high resolution, low drift, and high stability.

The invention discloses an air-liquid temperature control device and method. The air-liquid temperature control device comprises a refrigerating unit, a controller, a first electronic expansion valve, a second electronic expansion valve group, a liquid cooling module and an air cooling module, the refrigerating unit is communicated with an inlet of the air cooling module through a first electronic expansion valve, is communicated with an inlet of the liquid cooling module through a second electronic expansion valve group, and is used for providing refrigerating power according to the requirement of a heat energy load; an outlet of the air cooling module and an outlet of the liquid cooling module are communicated with the refrigerating unit; the controller is connected with the first electronic expansion valve and the second electronic expansion valve set and used for controlling the opening degree of the first electronic expansion valve and / or the opening degree of the second electronic expansion valve set according to the requirement of the heat energy load so as to adjust the refrigerant flow of the air cooling module and / or the refrigerant flow of the liquid cooling module, and the energy consumption of the air-liquid temperature control device is reduced. And meanwhile, the integration level, the temperature control efficiency and the temperature control precision of the air-liquid temperature control device are improved, and the temperature uniformity of a plurality of heat energy loads is improved.

The present application belongs to the technical field of geotechnical engineering test, and relates to a system and method for rapidly determining the permeability coefficient of low-permeability soil in situ, which comprises an inner sleeve, an outer sleeve, a pressurizing device and a pore water pressure sensor. The inner and outer sleeves are simultaneously driven into the soil to a specified depth, and then the outer sleeve is further pressed to form a sealed test cavity; water is injected into the inner sleeve and the top is closed, and a stable air pressure is applied through the pressurizing hole to accelerate the permeation; the pore water pressure sensor pre-embedded at the bottom of the outer sleeve is used to monitor the transient change data of the pore water pressure at the soil permeation interface in real time and in situ, instead of the traditional external water level change. Based on the monitored pressure decay data, the soil parameters can be calculated. Compared with the prior art, the present application discards the unreliable water level observation link, shortens the test time from several days to several hours, fundamentally avoids the errors introduced by the capillary effect and hysteresis effect, and realizes the rapid and high-precision test of low-permeability soil in situ.

The invention discloses a two-dimensional phased array radar array plane for an X wave band, and the array plane comprises an array plane skeleton, one side of the array plane skeleton is provided with an electric control assembly, and the other side of the array plane skeleton is provided with a connection assembly. The electric control assembly comprises an integrated board, and a module assembly is integrated on the integrated board. A connector is further arranged on one face, facing the array plane framework, of the sealing plate, an integrated frame used for integrating umbrella-shaped arrays is further arranged on the other face of the sealing plate, and the sealing plate and the integrated frame are sealed on the array plane framework through a radome. The array plane skeleton is also provided with a connecting hole, and the interior of the array plane skeleton is forcibly cooled through a fan installed in the connecting hole. All the modules are integrated on the integrated board, the electric control assembly and the connecting assembly are separated through the array plane framework, the electric control assembly and the connecting assembly are each provided with an independent heat dissipation space, forced air cooling heat dissipation is achieved through the fan, and on one hand, the equipment integration degree is high; and on the other hand, centralized heat dissipation is facilitated.

The application relates to a cooling structure assembly and a power module device. The cooling structure assembly is used for a power module. The cooling structure assembly comprises a cooling body and a heat dissipation assembly. The cooling body comprises a first surface, a recessed part, a containing space, an inlet and an outlet. The first surface is located on one side of the cooling body along the thickness direction of the cooling body, the side of the cooling body opposite to the first surface is recessed to form the recessed part, the containing space is arranged between the recessed part and the first surface, and the inlet and the outlet are both communicated with the containing space. The heat dissipation assembly is arranged in the recessed part. The application can improve the heat dissipation effect of the cooling structure assembly while reducing the overall volume of the cooling structure assembly.

This application relates to a shock absorber assembly, a suspension assembly, and a vehicle. The shock absorber assembly includes an air spring with an air chamber; an actuator for adjusting the length of the air spring; and a connecting cable for transmitting power or signals. A wiring channel is formed between the air spring and the actuator for the connecting cable to pass through. The advantage of this application is that by providing a wiring channel between the air spring and the actuator, the internal space of the air spring can be effectively utilized, thereby significantly reducing the volume of the shock absorber assembly and improving its integration.

The application discloses an embedded voltage-stabilized heat-dissipation PCB structure with a thermoelectricity synergic regulation layer and a preparation method thereof. The structure comprises at least one PCB inner layer and a chip power supply pad arranged on the inner layer, and a ring-shaped or C-shaped thermoelectric material pattern (ZT>0.5 at room temperature) is embedded in a region corresponding to the chip power supply pad directly below the inner layer. A first end of the thermoelectric material pattern is electrically connected to a power supply layer, and a second end is electrically connected to a grounding layer or a heat-dissipation through hole. The application utilizes the temperature difference during the operation of a chip to drive the thermoelectric material to generate a reverse electromotive force to inhibit power supply ripple, and simultaneously utilizes the Peltier effect to actively pump heat, so that the inner layer is integrated with voltage stabilization and heat dissipation. The power supply ripple can be reduced by 25% to 42% and the surface temperature of the chip can be reduced by 11 DEG C to 14 DEG C by using the PCB structure. The application directly integrates the thermoelectric function in the PCB inner layer, does not occupy the surface layer area, and is suitable for the packaging substrate of high-performance computing chips.

The application discloses a photoelastic transparent soil three-dimensional stress-deformation full-field cooperative measurement device and a use method thereof. The device comprises a loading system, a stress-strain measurement system and a model test system. The model test system comprises an optical platform and a model groove arranged at a central position of the optical platform and used for containing a sample to be tested. The loading system is arranged above the optical platform and used for applying axial pressure to the sample to be tested. The stress-strain measurement system comprises a camera module, a laser module, a light source module, a guide rail and a control system II. During work, the camera module, the laser module, the light source module and the guide rail are adjusted by the control system II, so that the camera is scanned around the sample to be tested, deformation images are collected, full-field strain is obtained, and a three-dimensional digital model of the soil body is reconstructed. The device has high integration, can obtain stress distribution information of any cross section and any direction in the material, and overcomes the inherent defects that a two-dimensional photoelasticity cannot reflect stress gradient in the thickness direction.

A light weight artificial intelligence clamping and winding drum type part hoisting and lifting device, the trolley assembly is arranged at the top of the telescopic guide column mechanism, a rotary grabbing four-bar mechanism is arranged below the telescopic guide column mechanism, the rotary grabbing four-bar mechanism is used for grabbing shaft type parts, and an automatic identification control system is arranged below the rotary grabbing four-bar mechanism; the trolley assembly comprises a platform, end beams are arranged on the front and rear sides of the platform, a connecting beam is arranged between the two end beams, a wire rail is arranged on the connecting beam, a sliding block is arranged on the wire rail, the sliding block is hinged to a scissor fork mechanism, and an upper trolley frame is arranged at the top of the scissor fork mechanism; a three-in-one speed reducer motor is arranged on the end beam, an output shaft of the three-in-one speed reducer motor is connected with a lead screw, a lead screw nut is arranged on the lead screw, and the lead screw nut is also hinged to the scissor fork mechanism. The device has high integration degree, artificial intelligence degree and reliability, improves the man-machine operation mode, and can be matched with an automatic assembly line production frequency to complete hoisting and lifting operation.

The application discloses a lens base oiling shearing machine, which comprises a box body, a supporting plate and a discharge bin are arranged in the box body, a feeding mechanism for clamping a semi-finished product lens base to position a material clamping mechanism, the material clamping mechanism for adjusting the semi-finished product lens base, a feeding mechanism for connecting the material clamping mechanism and an ultrasonic vibration falling machine through two third clamping jaw air cylinders arranged side by side, an oiling mechanism for adjusting the rotating radius of a smearing unit through a second adjusting unit, quantitatively supplying through a peristaltic pump and smearing through a sponge, the ultrasonic vibration falling machine for separating a lens base product and a water gap from the semi-finished product lens base after oiling through ultrasonic vibration falling, and a discharging mechanism for collecting the separated lens base product through a second through hole. The device has the oiling and vibration falling shearing functions of the semi-finished product lens base, can help to ensure the quantitative oiling and oiling uniformity, has high working efficiency, compact structure and wide application range.

The application discloses an air acoustic imaging sensor, comprising: a deflection device, comprising a mounting seat, a first deformation member and a fixed seat, two ends of the first deformation member being connected with the mounting seat and the fixed seat respectively; an air acoustic imaging sensing device, being installed on the fixed seat; and a driving device, being installed on the deflection device, the driving device being used for driving the first deformation member to deform, so that the air acoustic imaging sensing device installed on the fixed seat deflects. The air acoustic imaging sensor of the embodiment of the application drives the first deformation member to deform through the driving device, so that the air acoustic imaging sensing device installed on the fixed seat deflects, thereby achieving the function of adjusting the deflection angle of the air acoustic imaging sensing device. The air acoustic imaging sensor realizes dynamic scanning imaging. Compared with the existing structure of driving the transducer to deflect, the air acoustic imaging sensor of the application has the advantages of small overall volume, high integration, small space range occupied in the movement process and low cost.

The application relates to a micro actuator for inner ear injection sampling surgery, and relates to the field of medical instruments.The application solves the problems that the existing actuator cannot more accurately assist the doctor in judging the surgery progress, lacks clinical surgery practicability in design, and makes the otological surgery still have certain operation difficulty.The microneedle puncture mechanism module is embedded in the driving and sensing module, the driving and sensing module is installed on the high-precision linear driving module, the end operation mechanism module is installed at the front of the driving and sensing module, the microneedle puncture mechanism module passes through the end operation mechanism module and extends out, and the endoscope camera module in the end operation mechanism module provides real-time images in the surgery process, the tension sensor in the driving and sensing module monitors the change of the steel wire tension in real time, and safety interaction with the ear canal environment is ensured.The application is used for inner ear injection sampling surgery.

The application discloses an execution mechanism for bundling and stacking materials and a bundling device. The execution mechanism comprises a head device and a relay device. The head device is used for feeding a belt around a first belt passing channel at a first corner. The relay device is used for receiving and fixing a bundling belt in the first belt passing channel and feeding the belt after receiving and fixing the end of the bundling belt in the first belt passing channel. The relay device is used for feeding the received bundling belt into a second belt passing channel around a second corner at a second corner. The head device is used for receiving the bundling belt in the second belt passing channel and tightening, welding and cutting the received bundling belt around the first corner and the second corner. The execution mechanism realizes automatic bundling of the stacking materials in multidimensional directions, has high working efficiency, saves manpower, reduces the bundling cost, and guarantees the bundling quality and the bundling effect.

This invention discloses a Z-axis micromechanical accelerometer and its control method, belonging to the field of acceleration measurement technology. An asymmetric seesaw sensing structure is constructed using mass blocks and a torsional elastic beam. Two symmetrical multifunctional capacitors are formed by designing electrodes below the two mass blocks. The torsion generated by the seesaw structure under Z-axis acceleration can be detected by the change in the differential capacitance of the capacitors, where the capacitors serve as the detection mechanism. Based on the detected change in torsion angle and the PID controller, a PWM voltage for force balance control can be calculated and applied to the symmetrical capacitors via a push-pull method, together with a DC tuned voltage. This generates a constant electrostatic negative stiffness, thereby reducing the equivalent stiffness of the seesaw sensing element, and also generates an electrostatic resultant force that can be modulated by the PWM, maintaining the position of the seesaw sensing structure constant, achieving closed-loop detection. The PWM voltage reflects the magnitude of the external acceleration.

The application discloses a single-fiber bidirectional optical transceiver module, wherein internal optical ports, a circulator assembly and an optical receiving assembly are sequentially arranged from left to right, an optical transmitting assembly is at least partially arranged in front of the optical receiving assembly, the single-fiber bidirectional optical transceiver module further comprises an optical guiding assembly, and the circulator assembly is at least partially arranged behind at least part of the optical guiding assembly; the optical transmitting assembly emits transmitting light to the left, the optical guiding assembly is used for guiding the transmitting light to enter the circulator assembly, and at least part of the transmitting light propagates to the right rear during the propagation process in the optical guiding assembly. Through the re-design of the structure of the single-fiber bidirectional optical transceiver module and the positional relationship of the internal structure, the space utilization of the positions of the optical transmitting assembly and the optical receiving assembly is improved, more components can be integrated on the circuit board, and thus the integration of the single-fiber bidirectional optical transceiver module is improved.

The application belongs to the technical field of integrated circuits, and discloses a circuit structure for one-step solution of linear equations based on a memristor array, wherein the linear equations are Ax=b, and in the circuit, a first memristor array matrix operation core realizes mapping of the matrix A, takes a negative value of a first operation voltage vector as a bit line voltage, performs a matrix multiplication operation, reads a word line current as a first operation current vector after the operation, a bias mapping module maps b into a bias current vector, a current superposition module superimposes the first operation current vector and the bias current vector to generate a superimposed current vector, and converts the superimposed current vector into a second operation voltage vector through a transimpedance amplifier module, a second memristor array matrix operation core realizes mapping of the matrix A, takes the second operation voltage vector as a bit line voltage, performs a matrix multiplication operation, reads a word line current, and performs an integral operation on the word line current through an integrator module to obtain an updated first operation voltage vector. T The above hardware circuit can realize solution of the linear equations.

The invention discloses a temperature measuring device based on a fluorescent material, and the device comprises a housing which comprises an upper cover, a housing pedestal, an LED light source, a fluorescent material, an optical fiber probe, an optical fiber spectrometer, an optical fiber, a console, a display screen, a charging device, a charging hole, a charging line, and a data exchange interface. The temperature measurement method based on the fluorescent material comprises the steps of database input, fluorescent material excitation, light sample collection, light component analysis, light parameter transmission, temperature value calculation and temperature value feedback.

The invention relates to the technical field of medical robots, and particularly discloses a multi-degree-of-freedom ankle training mechanism and a simulation and movement assisting robot. The multi-degree-of-freedom ankle training mechanism comprises a base, a moving part and a telescopic driving mechanism, the moving part comprises a moving base plate, a pedal plate and a rotary driving mechanism, and the moving base plate is connected with the base through a first universal hinge; the telescopic driving mechanism is arranged on the base, and a telescopic rod of the telescopic driving mechanism is connected with the moving base plate through a second universal hinge. According to the scheme, the telescopic driving mechanism is arranged on the base, and the movement base plate and the pedal plate are driven by a simpler mechanism to rotate at multiple degrees of freedom, so that the size and movement inertia of movement parts are greatly reduced, and the overall structure is more compact and light. The motion response speed and the dynamic performance of the multi-degree-of-freedom ankle training mechanism can be improved, the multi-degree-of-freedom ankle training mechanism can be integrated into a simulation and motion assisting robot platform more easily, and the system integration degree is improved.

The application relates to the engine technical field and discloses an integrated brake rocker arm which comprises a rocker shaft, a lubricating oil channel and a brake oil channel are arranged in the rocker shaft and penetrate the rocker shaft in the axial direction, an electromagnetic valve seat is arranged on the rocker shaft, a high-pressure cavity which is communicated with the lubricating oil channel and the brake oil channel is arranged in the electromagnetic valve seat, an electromagnetic valve which is used for controlling the on-off of the lubricating oil channel and the brake oil channel is arranged in the high-pressure cavity of the electromagnetic valve seat, a plurality of air inlet rockers and exhaust brake rockers are further arranged on the rocker shaft, the air inlet rockers and the exhaust brake rockers are communicated with the lubricating oil channel, the exhaust brake rockers are further communicated with the brake oil channel, and the air inlet rockers and the exhaust brake rockers are arranged in an interleaved and spaced mode. The application integrates the conventional valve rocker and the exhaust brake rocker, cancels the split independent arrangement structure, effectively reduces the installation and arrangement space, and is higher in the integrated degree of the whole machine; and the brake hydraulic medium is realized in the built-in type transmission, the external pipeline is less, and the risk of easy wear and leakage of the external oil pipe is avoided.

The invention relates to the technical field of central gas sources, solves the problems that an existing central gas source is poor in output gas quality, tedious in system connection, low in integration level and inconvenient to assemble, and discloses a central gas source for external load gas supply, which comprises a pneumatic block, a compressor assembly, an ECU controller assembly and a dryer assembly. The compressor assembly is installed on the side face of the pneumatic block. The pneumatic block is of an integrally-formed structure, a switching valve set, an air valve set, an air inlet one-way valve, an air filter, a power limiting valve and a sensor assembly are integrated in the pneumatic block, and a valve seat for air inlet and exhaust and an air pipe connector are arranged in front of the pneumatic block. The ECU controller assembly is located on the rear end face of the pneumatic block and is parallel to the motor. The dryer assembly is located on the lower end face of the pneumatic block. And an external load inflation valve is also arranged in the pneumatic block. According to the invention, the integration level of the system is improved, external pipelines are reduced, the system structure is simplified, the installation and maintenance are more convenient, and the fault occurrence rate is reduced.