436results about How to "Reduce movement" patented technology

The invention provides a robot system based on self-adaptive cruise and remote operation and a control method thereof, and belongs to the field of robot inspection, the system comprises a six-axis mechanical arm, an intelligent inspection robot, an automatic inspection task module and a remote teleoperation control unit; the intelligent inspection robot carries a six-axis mechanical arm and an automatic inspection task module, the automatic inspection task module comprises a preset inspection task, the remote teleoperation control unit sends a control instruction of an operator to the intelligent inspection robot through wireless communication, and the control instruction comprises inspection path planning and operation tasks. The intelligent inspection robot performs an inspection task according to a preset inspection task of the automatic inspection task module or a control instruction sent by the remote operation control unit, and the six-axis mechanical arm is used for executing a target operation task. Through integration of advanced sensor technology, image processing technology, artificial intelligence algorithm and wireless communication technology, efficient, accurate and safe inspection of a complex environment is realized.

The invention provides an electric power inspection tool body intelligent path optimization method and system based on reinforcement learning, and relates to the field of power supply systems, and the method comprises the steps: building a to-be-inspected region environment model which comprises a plurality of to-be-inspected nodes; according to the historical operation information of the plurality of nodes to be inspected, a risk association relationship among the plurality of nodes to be inspected is determined, an inspection path optimization model based on a deep Q network is constructed, and a reward function of the inspection path optimization model is related to the risk association relationship among the plurality of nodes to be inspected, a real-time risk value of each node to be inspected and inspection energy consumption; determining a real-time risk value of each node to be inspected according to the real-time operation information of the plurality of nodes to be inspected and the risk association relationship; and generating a real-time electric power inspection optimization path according to the real-time risk value of each node to be inspected through the inspection path optimization model, and controlling the electric power inspection robot to perform electric power inspection, so that the electric power inspection efficiency and the real-time performance of responding to the electric power fault risk are improved, and the energy consumption is reduced.

The invention discloses a punch forming device for producing an automobile engine oil pan, and relates to the technical field of punch forming, and the punch forming device comprises a composite mechanism. According to the punch forming device for production of the automobile engine oil pan, through the design of the composite mechanism, materials are placed in the processing mechanism and conveyed to the composite base through the processing mechanism, then a movable cross beam is controlled through a hydraulic column to enable a pressing module to extrude a bearing module, and therefore the punch forming effect is achieved; the effect of manually laying materials is reduced, potential safety hazards of operators are reduced, the operation environment is optimized, after long-time operation of the bearing module, parts can be seriously abraded, and therefore the stamping precision of follow-up materials is affected, the bearing module can be replaced, and in the process that the pressing module extrudes the materials towards the bearing module, the pressing module can be replaced, and the pressing module can be replaced. And the magazine mechanism contracts to store force, so that after stamping is finished, ejection is performed through the magazine mechanism, the effect of preventing material adhesion is achieved, and the subsequent operation efficiency is prevented from being influenced.

The invention discloses a wire and cable length metering device and a wire and cable length measuring method, the wire and cable length metering device comprises at least two groups of measuring tool strings, each group of measuring tool string comprises at least one measuring vehicle and at least two driving vehicles, and each measuring vehicle is located between two adjacent driving vehicles; each of the measuring vehicle and the driving vehicle comprises a shell and a crawler belt, a groove used for running of the crawler belt is formed in the lower surface of the shell, a plurality of parallel thrust wheels are arranged in the length direction of the groove, the two ends of a rotating shaft of each thrust wheel extend into an inner cavity of the shell from the side walls of the two sides of the groove respectively, and each rotating shaft is rotationally and hermetically connected with the corresponding side wall; all the thrust wheels of each shell are in transmission connection through a crawler belt, and an anti-skid pad is arranged on the outer surface of a chain link of each crawler belt. The traveling vehicle is used as power, traveling measurement is carried out in the length direction of the electric wire cable, and the problem that an existing electric wire length measuring instrument does not carry out traveling measurement along the electric wire cable is solved.

The invention discloses a multi-model-based non-ruled surface machining path interpolation method, which comprises the following steps of: generating machining path model information based on a workpiece machining path line and a driving geometry for defining a cutter shaft direction; the processing path model information at least comprises cutter location point track model information, cutter shaft point track model information and cutter location point and cutter shaft point correlation function information; iterative interpolation of geometry and processing speed is carried out based on the processing path model information, firstly geometric interpolation is carried out to carry out dense decomposition interpolation steps on the processing path, data of all the interpolation steps are arranged into a list according to the processing sequence, then processing speed setting is carried out, and the processing speed is set based on an interpolation cutter location point after geometric interpolation; position information of each physical axis is calculated and stored according to the cutter axis vector inverse solution of the interpolation cutter location point; and arranging the interpolated and inversed information into a control command list to drive the machine tool equipment. The machining track of the non-ruled surface can be more accurately planned, the machining error is reduced, and the precision is improved.

The utility model discloses a precise fine-tuning tool rest for an ultra-precise lathe, which comprises a base and a fixing frame, and a tool containing groove is arranged on the side wall of the fixing frame. According to the device, the first rotating rod is driven to rotate by rotating the knob, the second rotating rod is driven to rotate through the worm and the worm gear when the first rotating rod rotates, and the sliding block can be driven to move axially along the second rotating rod through the threaded connection relation between the second rotating rod and the sliding block when the second rotating rod rotates, so that the function of adjusting the height of a cutter mounted in the cutter mounting groove is achieved; through two-stage transmission among a worm gear, a worm, a second rotating rod and a sliding block, nanoscale fine adjustment of height adjustment of the cutter can be achieved, knurls and a flexible tensioning ring which are used for increasing friction force are arranged between the first rotating rod and a support, the first rotating rod cannot rotate when a rotary knob is not touched, and the cutter can be conveniently and rapidly adjusted. After adjustment is completed, the magnetic powder clutch is powered on to lock the radial position of the second rotating rod, and the braking effect is achieved.

The invention relates to the technical field of energy-saving coal mills, in particular to an automatic control system of an energy-saving coal mill, which comprises a pulverized coal processing module used for processing raw coal into pulverized coal through the energy-saving coal mill; the detection module comprises a pressure sensor and a temperature sensor; the pressure sensor is arranged in the energy-saving coal mill and is used for detecting the working pressure in the energy-saving coal mill; the temperature sensor is arranged in the energy-saving coal mill and is used for detecting the temperature in the energy-saving coal mill; the communication module is used for transmitting the detected sensor data to the control module; and the control module is respectively connected with the pulverized coal processing module, the detection module and the communication module, and is used for determining the pre-tightening force of the electric valve according to the variance of the response duration of the electric valve or determining the working pressure in the energy-saving coal mill according to the average delay duration of the operation of the energy-saving coal mill. The control stability of the energy-saving coal mill is improved.

The utility model relates to the technical field of walnut processing, and discloses a walnut ultrasonic shell breaking and kernel taking device which comprises a rack, and a walnut conveying mechanism, a walnut shell breaking mechanism and a material collecting mechanism which are arranged on the rack, the walnut conveying mechanism is used for driving the falling walnuts to move and conveying the walnuts to the walnut shell breaking mechanism; the walnut shell breaking mechanism drives walnuts to move and extrudes and breaks shells of the walnuts through ultrasonic high-frequency vibration; and the material collecting mechanism is used for screening and collecting the walnut kernels and the walnut shells after shell breaking. Through the walnut conveying mechanism, the walnut shell breaking mechanism and the material collecting mechanism, the process of walnut conveying, extrusion shell breaking and recovery is achieved, ultrasonic waves are applied to the field of walnut shell breaking, Yunnan walnuts are hard in shell and small in shell-kernel gap, the characteristics that high-frequency vibration under the mechanical effect of the ultrasonic waves is suitable for breaking of hard and brittle materials are utilized, walnut shell breaking is assisted, and the walnut shell breaking efficiency is improved. The shell breaking rate and the whole kernel rate are improved.

The invention provides a self-driven underwater robot for water sampling, and relates to the technical field of water environment detection.The self-driven underwater robot comprises a robot body and a driving control assembly, the driving control assembly is arranged in the robot body, a sample collecting assembly is arranged on the top face of the robot body, and water quality detection assemblies are symmetrically arranged on the two sides of the robot body; clamping assemblies are arranged on the two sides of the robot body, a power assembly is arranged on the surface of the robot body, a display panel is arranged on the front face of the robot body, a tracking and positioning assembly is arranged at the edge position of the display panel, and after the flexible detection pipe extends, different positions of the water quality environment are detected at the same time through multiple sets of first water quality sensors distributed on the surface. Under the condition that the position of the robot body is kept unchanged, equal-interval detection of the water environment within the circumferential range with the robot body as the circle center and the flexible detection pipe as the radius is achieved, movement of the robot body is reduced, and energy consumption of the robot body is reduced under the condition that the detection range of the water environment is increased.

The utility model discloses a full-automatic vaccine inoculation device which comprises a feeding device, an inoculation device and a control device. The disinfection device comprises a disinfection assembly and a disinfection conveying line, and the disinfection assembly is arranged on the upper side of the disinfection conveying line; the feeding device is used for transferring the disinfected egg trays; the inoculation equipment comprises an inoculation conveying line and an inoculation module, and the inoculation module is provided with an inoculation needle; and the buffer conveying line is used for transferring and temporarily storing the inoculated egg trays. The full-automatic inoculation machine has the advantages that full-automatic inoculation production is achieved, feeding, disinfection, shell breaking and poison injection are completed, production efficiency is high, and production quality is guaranteed.

The invention relates to the technical field of wafer cutting, in particular to automatic equipment for wafer cutting, which comprises a scribing machine body, a cutting mechanism mounted in the scribing machine body, a suction cup mechanism mounted in the scribing machine body and a placement table, a supporting shell is mounted on one side in the scribing machine body, and a moving mechanism is mounted on the supporting shell; according to the automatic equipment for wafer cutting, the supporting shell is arranged in the scribing machine body and located on the outer side of the placement table, the moving mechanism is arranged on the supporting shell, and meanwhile, the blowing and sucking mechanism is arranged on the moving mechanism, so that when a wafer is located over the placement table, the wafer can be blown out of the placement table; impurity particles on the lower surface of the wafer and the upper surface of the placing table can be detected and removed in advance, so that it is guaranteed that the wafer can be flatly placed on the placing table, and the phenomenon that the wafer is broken due to unevenness in the subsequent cutting process is prevented.

The utility model relates to the technical field of pile grippers, in particular to a pile gripper mounted on a self-elevating platform, which comprises a guide sleeve, an upright post slidably arranged in the guide sleeve, a lifting component arranged between the guide sleeve and the upright post and used for driving the guide sleeve and the upright post to move relatively, a hoop component arranged on the upright post, and a hoop component arranged on the hoop component. The hoop assembly is used for embracing a pile, an adjusting seat is arranged on one side of the guide sleeve, a fixing seat is arranged on the side, away from the guide sleeve, of the adjusting seat, a plurality of telescopic frames are arranged between the adjusting seat and the fixing seat, each telescopic frame comprises a telescopic shaft, a set of telescopic arms and a telescopic seat, and the telescopic shafts are rotationally connected with the adjusting seats. One end of the telescopic arm is rotationally connected with the telescopic shaft, the other end of the telescopic arm is movably connected with the telescopic seat, and the telescopic seat is fixedly connected with the fixed seat. The pile sinking device has the effects of conveniently adjusting the positions of the arm claws and reducing the pile sinking operation cost of the pile body.

The heat preservation and heat insulation structure comprises a water tank and a heat preservation and heat insulation assembly, a cofferdam part protruding upwards is arranged on the inner side of the bottom face of the water tank, an ultrasonic nebulizer and a heater are installed in the cofferdam part, and the heat preservation and heat insulation assembly is detachably connected with the cofferdam part. The heat preservation and insulation assembly can be independently disassembled, the heater and the ultrasonic nebulizer do not need to be disassembled, on one hand, assembly difficulty is reduced, disassembly and assembly are convenient, on the other hand, movement of electronic devices is reduced, and therefore damage caused by human factors is avoided. In addition, the bottom of the heat preservation and insulation assembly and the cofferdam part form a closed heating atomization cavity, the cofferdam part or the heat preservation and insulation assembly is provided with a water inlet communicating the inner side and the outer side of the heating atomization cavity, and a one-way valve for preventing water on the inner side of the heating atomization cavity from flowing out to the outer side is installed at the water inlet. Hot water in the heating atomization cavity is prevented from being mixed with cold water in the water tank, the heat preservation effect is achieved, and therefore energy consumption of the humidifier is reduced.

The invention discloses a shearing device and a shearing method for glass fiber reinforced plastic material processing, and relates to the technical field of glass fiber reinforced plastic processing, the shearing device comprises a base, a glass fiber reinforced plastic material part and a linear motor, support plates are symmetrically fixed on the two sides of the top of the base, a transverse plate is fixedly connected to the tops of the support plates, and side plates are symmetrically fixed on the two sides of the top of the transverse plate; the top ends of the side plates are fixedly connected with a top plate, the pressing mechanisms are symmetrically arranged on the inner sides of the side plates, each pressing mechanism comprises a movable plate, and an extraction mechanism is arranged on the lower portion of the top plate; the screen plate is installed in the middle of the top of the transverse plate, the middle of the bottom of the transverse plate is fixedly connected with a material guiding groove, the middle of the top of the base is provided with a collecting groove, and the inner side of the side plate is rotationally connected with a lead screw. And small glass fiber dust is generated in the cutting process, and harm can be caused to human health.

The invention relates to a salt transfer and soil improvement method for constructing capillary channels, which aims at the problems of deep salt accumulation and year-by-year aggravation of a water-saving farmland in an arid region, and comprises the following steps: drip irrigation of fresh water under a film on a ridge for salt leaching, film laying at the bottom of a furrow, landfill of a high-water-conductivity organic material, cuttage of water diversion straws in the organic material, and covering of a plurality of layers of black cotton fibers. An arch-shaped raised evaporation surface between the membranes is formed, namely, a continuous capillary channel is built, salt is enriched in a porous cotton fiber material, after salt accumulation is balanced, an outer layer is removed regularly, and dry discharged salt recovery in the farmland is achieved; and in cooperation with interchange of furrows and ridges and winter irrigation of inter-annual period slack farming water, farmland plough layer desalination and fertilization are actively realized year by year.

The utility model provides a clamping device with an adjustable assembly rod, which relates to the technical field of clamping devices and comprises a mounting plate, a mounting block is fixedly mounted on the upper surface of the mounting plate, a threaded rod is in threaded connection with the inside of the mounting block, one end of the threaded rod is rotatably connected with a mounting frame, a rotating head is fixedly mounted at one end of the threaded rod, and a rotating shaft is fixedly mounted at the other end of the rotating head. According to the clamping device, by arranging the limiting block, the limiting rod, the push plate, the spring, the two-way lead screw, the rotating disc, the clamping plate, the electric telescopic rod and the pressing plate, different workpieces can be clamped, and the clamped workpieces can be rotationally adjusted; and the situation that the position of the workpiece is inconvenient to adjust after clamping, and other positions of the workpiece can be conveniently machined only by changing the position of a worker is avoided, the workpiece adjusting process is simplified, the moving process of the worker is omitted, the working efficiency of machining of the worker is improved, and practicability is high.

The invention relates to the technical field of circuit breakers, in particular to a capacitor electricity taking type deep fusion pole-mounted circuit breaker. The invention relates to a capacitor power-taking type deep fusion pole-mounted circuit breaker, which comprises a plurality of power-off mechanisms. Each power-off mechanism comprises an outer layer cover, a fixed terminal, a movable terminal and an adjusting assembly. The adjusting assembly comprises an upper current-conducting plate, a lower current-conducting plate and two adjusting units. Each adjusting unit comprises a contact box. When the moving terminal collides with the lower conductive plate, bounce in the vertical direction can be generated, the elasticity of the contact box is matched with the movement of the moving terminal, so that the lower conductive plate and the moving terminal can be always contacted, the relative movement between the moving terminal and the lower conductive plate is reduced, and the number of times of arc erosion on the moving terminal is reduced. The invention provides a capacitor electricity taking type deep fusion pole-mounted circuit breaker, and aims to solve the problem that a movable contact and a fixed contact are damaged due to the fact that a large amount of electric arcs are generated when the movable contact and the fixed contact of an existing circuit breaker are in contact.

The invention discloses electric equipment, which comprises an electric main body, a cover body and a secondary battery, the power utilization main body is provided with a battery compartment. The cover body is detachably arranged on the power utilization main body and covers the battery compartment. And the secondary battery is arranged in the battery compartment and is electrically connected with the power utilization main body. The secondary battery comprises a shell, an electrode assembly and a bonding piece, the electrode assembly is arranged in the shell, and the bonding piece is bonded with the cover body and the shell. The bonding piece comprises a base layer, a first bonding layer and a second bonding layer. In the first direction, the first bonding layer and the second bonding layer are arranged on different sides of the base layer respectively. The viscosity of the first bonding layer can be reduced, and the first bonding layer is bonded with the cover body. The viscosity of the second bonding layer is fixed, and the second bonding layer is bonded with the shell. And the secondary battery and the cover body are detached by reducing the viscosity of the first bonding layer, so that the detaching convenience is improved. And moreover, the secondary battery can be disassembled under the condition that the wrapping film is cancelled, so that the settable space of the secondary battery is favorably improved, and the capacity of the secondary battery is favorably improved.

The present invention discloses a liquid level control system and a liquid level control method, the liquid level control system comprises: a water tank, a first float guide valve and a second float guide valve are installed, the first float guide valve is arranged below the second float guide valve; a water supply main pipe is used to supply water to the water tank; a liquid level control valve is installed on the water supply main pipe; the liquid level control valve comprises a valve body, a main valve cover, an auxiliary valve cover, a main diaphragm and an auxiliary diaphragm, the valve body has a medium channel, the water inlet end and the water outlet end of the medium channel are connected through the main water supply port and / or the auxiliary water supply port; the main diaphragm can seal the main water supply port, and a first chamber is formed between the main diaphragm and the main valve cover; the auxiliary diaphragm can seal the auxiliary water supply port, and a second chamber is formed between the auxiliary diaphragm and the auxiliary valve cover; an adjusting component comprises an adjusting rod, and the adjusting rod is used to limit the auxiliary diaphragm to the end of the stroke. According to the liquid level control system of the present invention, the frequent opening and closing of the main valve can be avoided, the service life of the main valve and the float guide valve can be extended, and the regulating and storing function of the water tank can be fully utilized.

The invention discloses a database storage method, which realizes high optimization of a storage space by finely classifying key value pairs and storing the key value pairs in different regions. The recovery frequency is dynamically adjusted, only the key value pairs marked as deleted are erased, storage fragments and the erasure frequency are reduced, the storage efficiency is improved, and the service life of storage equipment is prolonged. When the sectors are recycled, adjacent idle and invalid sectors are combined, so that the storage space utilization rate and the access efficiency are improved. When the new key value pairs are stored, the new key value pairs are preferentially distributed from the combined sector pool, the storage process is simplified, and the response speed is increased. The data access frequency and the sector erasure life are combined, the merged sectors are finely grouped, resource allocation is optimized, and the data access efficiency is improved. And meanwhile, a direct local modification technology is adopted, so that data migration and rewriting are reduced, and the updating operation efficiency is improved.

An automatic trimming, taking-out and respective placing mechanism for automobile engine connecting rods comprises an automatic conveying mechanism, a feeding mechanical arm, a feeding mechanism, a material taking mechanical arm, a material taking and respective placing mechanism, a flash conveying chain and a connecting rod placing table. The feeding manipulator drives the feeding mechanism to feed the connecting rod with the flash to a lower trimming die in the trimming die of the trimming machine and then returns to the initial position; meanwhile, the edge trimmer conducts stamping to divide the connecting rod with the flash into a connecting rod and a flash, the material taking mechanical arm drives the material taking and respective placing mechanism to take out the separated connecting rod and the flash at the same time and place the separated connecting rod and the flash respectively, the flash is put down on the flash conveying chain, and the connecting rod is put down on the connecting rod placing table; according to the mechanism, taking out and respective placing of the connecting rod and the flash are completed through the same mechanism in the same step, the overall structure is simpler, and operation is more convenient.

The invention discloses a forklift lifting arm welding tool and method, and relates to the technical field of forklift production auxiliary tools, the forklift lifting arm welding tool comprises a base, a fixing column is fixedly mounted at the top of the base, a mechanical arm is arranged at the top of the fixing column, and a fixing device, a clamping device and a supporting device are arranged above the base; a first rotating motor is matched with a lead screw, a first spiral groove rotates, a sliding block and a fixing frame are used for achieving adjustment according to specific tasks when lifting arms with different lengths are welded, so that the equipment meets the requirements for different heights and distances, and the operation flexibility is improved; a second rotating motor is matched with a rotating shaft, a third rotating motor, a rotating rod, a second spiral groove and a clamping plate, after the lifting arm is fixed, a fixing block rotates to enable the lifting arm to rotate, a mechanical arm drives a welding gun to conduct welding, and the lifting arm is allowed to be flexibly operated at different angles and in different directions through rotating welding; and various working environments and task requirements can be met.

The utility model relates to the field of switching devices, in particular to a switching unit of a switching device and the switching device, the switching unit comprises a movable contact part, a static contact part and an arc extinguishing assembly, the movable contact part is arranged on an action execution assembly, the arc extinguishing assembly is linked with the action execution assembly, and the arc extinguishing assembly is linked with the action execution assembly along with closing or breaking of the movable contact part and the static contact part. The arc isolating part of the arc extinguishing assembly is selectively positioned at the avoiding position or the arc extinguishing position, so that the arc isolating part forms physical isolation of the movable contact part and the static contact part at the arc extinguishing position to extinguish the arc; the arc extinguishing assembly and the action execution assembly form linkage through a tooth-shaped transmission mechanism. The switching device is provided with the switching unit. The arc extinguishing assembly and the action execution assembly are linked to enable the arc isolating part to move along with the movement of the action execution assembly, effective arc extinguishing can be realized, timely abdication can be realized to facilitate reliable closing of the movable contact part and the static contact part, the tooth-shaped transmission mechanism works reliably, the working reliability of the arc extinguishing assembly is improved, and the service life of the arc extinguishing assembly is prolonged. And the switch unit is ensured to have a good arc extinguishing effect.

The invention relates to the technical field of screw superchargers, in particular to a single-screw supercharger which comprises a gas filter, an unloading valve, a main machine and a gas-liquid separator, the gas filter and the unloading valve are connected through a gas guide pipe, the unloading valve is connected with the gas inlet end of the main machine, and a gas taking opening in the upper end of the gas-liquid separator is connected with an unloading shutdown emptying channel. The tail end of the unloading shutdown emptying channel is divided into an unloading pressure maintaining adjusting loop and a main machine unloading air supplementing loop, the unloading pressure maintaining adjusting loop is connected with an air guide pipe, the main machine unloading air supplementing loop is connected with a main machine, an air inlet pipe of the air filter is provided with a pressure adjusting valve and an electric valve, the electric valve is located at the rear end of the pressure adjusting valve, and the electric valve is controlled through an electric signal. The unloading valve is a pneumatic valve, a cooling liquid outlet of the gas-liquid separator is connected with the main machine through a liquid loop, and a liquid cooler, a liquid filter and a water cut-off electromagnetic valve are arranged on the liquid loop. The method has the advantages that the supercharger is energy-saving, frequent shutdown is avoided, and the system reliability is improved.

The utility model relates to a quick replacement device for a core rod support frame, which comprises a roll replacement transverse moving structure, a roll replacement transverse moving structure and a roll replacement transverse moving structure, wherein the roll replacement transverse moving structure comprises a first roll replacement transverse moving vehicle and a second roll replacement transverse moving vehicle; the rack pulling-out and pushing-in device is used for pulling out or pushing the core rod supporting frame into a rail in the rolling mill and is arranged on one side, far away from a rolling center of the rolling mill, of the first roll changing transverse moving vehicle or / and the second roll changing transverse moving vehicle; and the transition rack structure and the roller rack are arranged in a staggered mode in the axial direction of the roller, and the rack pull-out and push-in device drives the core rod supporting frame to move along the roller changing transverse moving structure, the transition rack structure and the rolling mill inner rail. The utility model solves the problem that the mandrel support frame can not be quickly replaced, the preparatory work required by the replacement of the mandrel support frame can be carried out during the working period of the rolling mill, the replacement of the mandrel support frame can be completed during the replacement period of the roller rack, the rack replacement time is shortened, the downtime of the rolling mill is reduced, and the production efficiency is improved. And the rack replacement efficiency and the production efficiency are improved.

The invention discloses a high-energy-storage-density anti-ferroelectric ceramic material and a preparation method thereof. The general chemical formula is (Pb < 0.98 > La < 0.02 >) (Zr < 0.7 > Sn < 0.3 >) < 0.995 > O < 3-x > wt% Al < 2 > O < 3 >, x is smaller than or equal to 0.7, Al2O3 is a sheet-shaped template, the Al2O3 sheet-shaped template is directionally arranged in the anti-ferroelectric ceramic material along the same direction through a tape casting preparation process, and the Al2O3 sheet-shaped template is regulated to be parallel to a test electrode through polishing and metal spraying on the upper surface and the lower surface parallel to the Al2O3 sheet-shaped template. According to the anti-ferroelectric ceramic material, the Al2O3 sheet-shaped template and the test electrode are arranged in parallel, so that the Al2O3 sheet-shaped template effectively disperses an applied electric field in the whole anti-ferroelectric ceramic material matrix, non-uniform distribution of a local electric field is reduced, improvement of the breakdown strength of the anti-ferroelectric ceramic material is facilitated, and the energy storage density of the anti-ferroelectric ceramic material is further improved.

The application relates to a gallium nitride epitaxial structure forming method and a semiconductor device. The method comprises the following steps: sequentially forming a buffer layer, an intrinsic GaN layer and an AlGaN layer on a substrate; growing a P-type doped GaN epitaxial layer on the AlGaN layer, controlling the doping concentration and thickness of the P-type GaN layer, performing N-type ion implantation on the P-type GaN layer, controlling the implantation depth in the range of 20nm-30nm, and then performing annealing. In another mode, the AlGaN layer is subjected to P-type ion implantation before the P-type GaN layer is grown to form an asymmetric P-type doped area, and then annealing is performed, and the implantation area is still P-type after annealing by controlling the implantation dose. In the semiconductor device, the contact layer is obtained by patterning the P-type GaN layer, and the P-type doped area with the highest doping concentration or the largest doping area is arranged at the position of the contact layer. The gate breakdown voltage can be improved, the threshold voltage can be stabilized, the low on-resistance can be maintained, and the CMOS process compatibility can be realized.

The utility model discloses a fixing brace. The fixing brace comprises a mounting frame, leg rods, a driving mechanism, a guide part and an electric control board, the leg rod is movably connected to the mounting frame; the driving mechanism is connected to the mounting frame, and the driving mechanism is in driving connection with the leg rods; the guide piece is connected to the mounting frame, and the leg rod is movably connected to the guide piece; the electric control board is in electric signal connection with the driving mechanism, and the electric control board is used for controlling the driving mechanism to drive the leg rod to stretch and retract in the extending direction of the guide part. According to the embodiment of the invention, the guide piece is arranged to guide the movement of the leg rod, so that the leg rod can only telescopically move along the extension direction of the guide piece, the shaking of the leg rod can be reduced, and the stability of the leg rod is improved.

The utility model discloses an automobile electronic production line interface debugging clamp which comprises a working table, an adjusting plate is arranged on the working table through an adjusting assembly, a buffering assembly matched with the adjusting assembly is further arranged on the working table, a fixed fixing frame is fixedly arranged at one end of the adjusting plate, and a movable fixing frame is arranged at the other end of the adjusting plate through a moving mechanism. Clamping assemblies are arranged between the fixed fixing frame and the movable fixing frame at equal intervals. The device has the beneficial effects that the interface of the automobile electronic production line can be conveniently clamped and fixed, and the clamping assembly can be rotated and finely adjusted according to the shape and the size of the interface, so that the interface can be better attached, the clamping effect is ensured, the stability is ensured, the conditions such as deviation in the subsequent moving, plugging and debugging process are avoided, and the working efficiency is improved. Meanwhile, the testing device can be adapted to automobile electronic production line interfaces of different specifications and sizes, and the practicability of the testing device is improved.