282results about How to "Reduce size" patented technology

The invention discloses a bow net offline electromagnetic interference multichannel data acquisition and analysis method and device, and belongs to the technical field of electromagnetic interference test and analysis. A transient electromagnetic signal of pantograph-catenary discharge is acquired through cooperation of multiple antennas, multiple probes and multiple channels, and strict alignment of multi-source data under the same discharge event is realized through unified triggering and time base line unification; in the off-line stage, denoising, feature extraction and multi-event statistical modeling are carried out on data generated by triggering, so that multi-path and multi-mode electromagnetic characteristics of pantograph-catenary discharge and statistical laws of the multi-path and multi-mode electromagnetic characteristics of pantograph-catenary discharge are obtained; the device comprises a data acquisition unit, a synchronous trigger unit, an analysis processing unit and an interactive display unit, and can improve data processing efficiency and analysis depth while ensuring high sampling rate and broadband coverage; the device solves the problems of insufficient space coverage, poor synchronism and limited analysis capability in the existing pantograph-catenary discharge test, and is suitable for pantograph-catenary discharge mechanism research, electromagnetic interference evaluation and related engineering application.

According to the technical scheme, the sheltering device is characterized by comprising a plurality of layers of flexible rope nets, the rope nets are horizontally arranged and arranged in the vertical direction, the rope nets are sequentially connected, the two sides of the rope net on the top layer are connected with supporting rods respectively, the supporting rods are connected with floating blocks, and the floating blocks are connected with the rope nets on the bottom layer. The rope net on the bottom layer is connected with a sinking block, and a telescopic piece is connected between the supporting rods and used for adjusting the distance between the two supporting rods. The multi-layer rope net can provide rest and sheltering for shrimps in the molting period in a culture water body and avoid similar disabilities, and the telescopic piece is arranged so that the distance between the supporting rods can be adjusted at any time, and therefore the size of meshes of the rope net can be adjusted, and the multi-layer rope net can adapt to shrimps of different specifications and growth stages.

The application discloses a nuclear power steam generator thermocouple wire and fixing piece bending device. The device clamps and fixes two ends of the fixing piece respectively, inserts the thermocouple wire into the fixing piece, and realizes S-shaped bending of the thermocouple wire and the fixing piece by pressing one end of the fixing piece. In the bending process, the bending slider and the lower clamping plate of the hot end realize smooth guiding to the fixing piece, so that no indentation is caused on the hot end thermocouple wire, and the internal thermal sensing wire of the thermocouple wire is not damaged. The bending size can be determined by measuring the distance of the bending slider extending out of the shell.

The utility model relates to automatic vending machine technical field, especially automatic vending machine's storage carousel, including the fixed frame, the rotatory setting of fixed frame has the carousel, the circumferential surface of carousel is opened the annular groove, the annular groove is evenly distributed with a plurality of baffle in the circumferential direction, form a storage compartment between every two adjacent baffle, the upper and lower two inner side walls of annular groove and the position of baffle correspondingly all are opened the guide groove, the guide groove extends along the radial of carousel, and the baffle and guide groove slide fit, and the baffle is equipped with locking mechanism, and locking mechanism is used for locking or unlocking baffle and moves relative to carousel. The automatic vending machine storage carousel of the utility model aims at solving the technical problem that the goods specification is too single due to the baffle unable to freely dismount in the prior art, and the size of storage compartment cannot be freely adjusted according to the demand, thereby limit the commodity kind storage.

The invention discloses a bottom supporting device of a digital television, and relates to the technical field of digital television supporting equipment, the bottom supporting device comprises the digital television, and the bottom of the digital television is provided with a supporting piece; the supporting piece comprises a control table, the control table is located in the center of the lower portion of the digital television, adjusting strips are symmetrically connected to the two sides of the control table through adjusting pieces, the bottom of the digital television is aligned to the supporting piece, the adjusting strips are pulled, and angle blocks fixedly connected to the two ends of the two adjusting strips abut against the two sides of the digital television in a limited mode. The adjusting strip and the angle block move back under the resilience force of the spring to fix and limit the digital television, the digital televisions of different sizes can be effectively supported and fixed by adopting the mode, and after the digital televisions are limited and fixed by adopting the mode, the digital televisions can be conveniently fixed. The threaded connection block just faces a threaded installation hole, corresponding to the threaded connection block, in the digital television, installation of the digital television is facilitated, adaptability is wide, and the digital television is more practical.

The application relates to the technical field of anti-quantum cryptography, in particular to a signature certificate issuing method and system based on a trusted center and electronic equipment, which comprises the following steps: obtaining a certificate signature request sent by an intermediate certificate issuing agency; performing abstract calculation on the public key in the certificate signature request based on an anti-quantum hash algorithm to obtain a public key abstract, and performing hash operation on a first signature value to obtain a signature abstract; the first signature value is obtained by signing the certificate signature request based on a root certificate by using a hash signature algorithm; determining the public key abstract, the signature abstract and the address of the trusted center as index parameters, and sending the index parameters to the root certificate; the root certificate constructs a signature certificate according to the index parameters and issues the signature certificate to the intermediate certificate issuing agency; the existing certificate signature mode is replaced by the mode of constructing the index parameters, the size of the post-quantum digital certificate is reduced, and the certificate verification efficiency is improved.

This invention proposes a hysteresis compensation control method for high-speed switching valves based on PWM, belonging to the field of high-speed switching valve control. Its key feature is that the working cycle of the high-speed switching valve is divided into four stages. The rising and falling edges of the reference PWM control the opening and closing times of the high-speed switching valve, while the loading signal consists of on-compensation PWM, excitation PWM, opening-hold PWM, and closing compensation PWM. By varying the pressure before the valve, the critical voltage values ​​for opening and closing the valve core are obtained, thereby controlling the amplitudes of the on-compensation PWM and opening-hold PWM to reduce the hysteresis time and current consumption of the valve core response. The duty cycle of the excitation PWM is determined by the derivative of the pressure before the valve, and the duty cycles of the on-compensation PWM and closing compensation PWM are obtained based on the coil current, accelerating the valve core response speed and optimizing current consumption. This invention can improve the response speed of high-speed switching valves, reduce energy consumption, and expand the frequency response range, offering advantages such as high response, low power consumption, low cost, and small footprint.

The utility model relates to the technical field of food processing machinery, in particular to a bowl-steamed uncongealed beancurd machine which comprises a box body, a front box door is hinged and fixed to the opening side of the box body, a water storage tank is arranged at the bottom in an inner cavity of the box body, an electric heating module is installed in the water storage tank, a supporting bottom frame is placed in the electric heating module, and the supporting bottom frame is connected with the box body. Two sets of supporting strips are symmetrically formed on the inner wall of the box body, each set of supporting strips are arranged at equal intervals, and a plurality of containing layer plates which are sequentially placed on the supporting bottom frame and the supporting strips are placed in the box body. The uncongealed beancurd machine has the beneficial effects that the fetching box door is arranged on the front box door, so that when steamed uncongealed beancurd is taken out, only the small window is opened, the loss of heat in the machine is reduced, and the heat preservation time is prolonged; the placing laminates for placing the uncongealed beancurd bowls are designed in a split mode, the size of a single laminate is reduced, the idle placing laminates can be directly taken out when the uncongealed beancurd bowls are taken out, taking out of other uncongealed beancurd bowls is not affected, and use is convenient.

The application provides a pixel circuit and a driving method thereof and a display device, and relates to the technical field of display. The pixel circuit comprises a driving module, a first light-emitting control module, a second light-emitting control module, a light-emitting module and a shunt module. When the first light-emitting control module is turned on, a first power supply end provides a power supply signal for the driving module. The driving module provides a driving current to the shunt module and the light-emitting module in a turned-on state based on the power supply signal. The driving current comprises a shunt current shunted to the shunt module and a light-emitting current shunted to the light-emitting module. The shunt module is connected with a driving integrated circuit through a shunt signal end to receive a shunt signal emitted by the driving integrated circuit. The driving integrated circuit is configured to adjust the size of the shunt current through the shunt signal. The application accurately controls the driving current, and avoids screen color deviation and uneven brightness distribution.

The utility model discloses an adjustable hydraulic joint which comprises a first connecting part and a second connecting part, a connecting assembly is fixedly connected between the first connecting part and the second connecting part, one end, close to the second connecting part, of the first connecting part is fixedly connected with a storage pipe, and a sealing assembly is arranged in the storage pipe. An inserting pipe is fixedly connected to the end, close to the first connecting part, of the second connecting part, a transmission assembly is in transmission connection with the middle of a pipe body of the inserting pipe, a positioning assembly is movably connected to the end, away from the storage pipe, of the pipe body of the inserting pipe, and a sealing gasket is movably connected to the interior of the storage pipe; according to the hydraulic connector, the size of a pipeline passing through an opening can be adjusted by adjusting the position of the movable plate, accurate, stable and flexible flow control can be achieved, and therefore the performance and reliability of a whole hydraulic system are improved.

The composite layer material (10) is made up of at least two laminated layers. One of outermost layers is a support film (2) that is removable from another layer and has a self-supporting property.

The application relates to a scale-inhibiting alloy and a preparation method thereof and a scale-inhibiting sheet manufactured from the scale-inhibiting alloy. The scale-inhibiting alloy comprises the following components: 55wt%-70wt% of Cu, 15wt%-30wt% of Zn, 5wt%-15wt% of Ni, 0.5wt%-3wt% of Si, 1wt%-5wt% of P, 0.001wt%-0.05wt% of a modifying element, and the balance of inevitable impurities, wherein the modifying element is one or more of B, Ti and Zr. The scale-inhibiting alloy adds the Si element for strengthening, so as to improve the mechanical properties and corrosion resistance; the Zn element is added as a negative electrode and the P element is added as a positive electrode, the alloying forms alpha phase+beta phase+multi-element brittle compound phase, can well excite the active current, and prevents the generation of water scale. The scale-inhibiting alloy has low production cost, meets the comprehensive requirements of cost, processing performance, corrosion resistance, mechanical properties, health and market acceptance of water treatment products, and has a good application prospect.

The present application relates to the technical field of steam turbine, and provides a self-adaptive sealing butt joint structure suitable for high-parameter main steam pipeline, which can adapt to a certain opening amount generated in the pipeline operation or installation process, and meanwhile, the special double-sided sealing structure can ensure that one side of the sealing surface normally works in the pipeline operation, and allows a certain displacement of the flange sealing surface in the pipeline operation. Meanwhile, since the structure can isolate the main steam pipeline sealing stress from the main steam pipeline welding or operation stress, the requirements for the number and specifications of the pipeline flange bolts can be reduced, and the structural cost is reduced. The present application well solves the steam leakage problem caused by the welding deformation and thermal deformation of the high-parameter main steam pipeline flange, and provides a new solution for the main steam pipeline sealing problem caused by the continuous improvement of the main steam parameters in the industrial turbine field.

The application relates to the sewage treatment field, in particular to a novel high-efficiency filtering device, which comprises a clear liquid chamber, an upper shunt cavity is arranged at the top of the inside of the clear liquid chamber, a lower shunt cavity is arranged at the bottom of the inside of the clear liquid chamber, a water inlet and a water outlet are further arranged on the clear liquid chamber, and the water inlet is communicated with the lower shunt cavity; in the application, the filtering pipes in the filtering device are connected in parallel first and then connected in series through a specially-designed shunt isolation plate; raw water flows in all the filtering pipes, under the action of pressure, suspended matters are intercepted through the micropores of the filtering pipes, clear water is collected in the clear liquid chamber of the filtering device, the intercepted suspended matters flow to the next-stage filtering pipe with water, the flow of the raw water is reduced, and the number of the corresponding filtering pipes is also reduced, so that the connection mode of parallel connection first and then series connection is adopted, cross-flow filtration can be realized without a cross-flow pump, and the purpose of concentrating suspended matters is achieved.

The invention relates to the technical field of medical instruments, in particular to a shoulder arthroscopy lateral position abduction traction frame which comprises a main frame, a traction rod and a traction rope, a sliding rail is vertically and fixedly installed on the main frame, a lifting block is vertically and slidably installed on the sliding rail, one end of the traction rope is fixedly connected with the lifting block through a traction assembly, and the other end of the traction assembly is fixedly connected with the traction rod. A water tank is fixedly installed on the main frame, a water outlet pipe is installed at the bottom end of the water tank, a water inlet pipe is installed at the upper end of the weight box, the water outlet pipe and the water inlet pipe are communicated through a connecting water pipe, and a water level window is formed in the side face of the weight box. And water level scales are arranged on the water level window. A medical worker can control the traction force on the arm by controlling the water level in the weight box, the situation that the traction force is too large or too small, and consequently the operation progress is affected is prevented, it is guaranteed that the operation effect is better, and the disease of a patient is thoroughly solved.

The invention relates to the technical field of safe starting of operating systems, in particular to a system signature mirror image file generation method and an equipment safe starting method. An equipment development end signs mirror image data of an operating system of equipment to obtain a digital signature of the mirror image data, the equipment development end sets identification information of the mirror image data, and the identification information is used for representing the memory position of the mirror image data in the operating system to obtain a system signature mirror image file. Namely, the system signature mirror image file of the mirror image data is generated by using the digital signature and the identification information. And finally, the equipment development end stores the system signature mirror image file on an equipment disk. When the device is started, namely the operating system of the device is started, the digital signature is directly positioned based on the identification information, and the safety of the operating system is verified by verifying the digital signature. As the identification information occupies a small memory space, the situation that the system signature mirror image file occupies the whole disk where the operating system is located due to the increase of the identification information is avoided, that is, the size of the system signature mirror image file is reduced, and the time cost required for upgrading the operating system is saved.

The utility model relates to metal polishing equipment technical field especially relates to a surface treatment device of metal product. Its technical scheme includes handheld polisher and the polishing head of the movable installation in handheld polisher end part, still includes the storage groove of setting up in handheld polisher away from polishing head one end, sets up the storage mechanism of the storage multiple polishing heads in storage groove, locking mechanism, installs in handheld polisher and storage box makes storage mechanism from the storage groove and comes out. The utility model cooperates through handheld polisher storage groove storage box etc. component, and the first spring is popped out storage box by pressing button, and the polishing head is quickly taken from the placing groove, and the mounting rod is fixed through the clamping groove. The storage box is guided through the limiting sliding slot and the limiting clamping block, is integrated in the fuselage, solves the problem that the traditional equipment needs additional storage box, the time -consuming and the separation design space -occupying, carrying inconvenience of looking for.

The invention relates to the technical field of airflow silencing, in particular to an automobile airflow silencer which comprises a shell and a shell air inlet. The connecting pipe is connected to the inner wall of the air inlet of the inner shell in an inserted mode, and a rectangular or round hole communicated with the first inner cavity is formed in the outer wall of the connecting pipe. The air inlet pipe is connected to the inner wall of the air inlet of the shell in an inserted mode, and the air inlet pipe corresponds to the connecting pipe in position. The front end of the air outlet pipe penetrates through the outer shell air outlet and then is inserted into the inner wall of the inner shell air outlet, and a rectangular or circular hole communicated with the interior of the outer shell is formed in the outer wall of the lower end of the air outlet pipe. By improving the automobile airflow silencer, the automobile airflow silencer has the advantages of being reasonable in structural design, rapid in silencing, smooth in exhaust and capable of changing the exhaust sound effect, and therefore the problems and defects in the prior art and equipment are effectively solved.

The utility model discloses a roller type feed granulator, and relates to the technical field of feed production. The feeding device comprises a case and a feeding bin fixedly arranged at the top of the case, a protective shell is fixedly arranged on one side wall of the feeding bin, a guide plate is fixedly arranged at the top end in the case, an adjusting assembly is arranged in the case, and buffering assemblies are arranged at the two ends of the rear end face of the case. The angle of the adjusting plate can be adjusted through the adjusting assembly, the purpose of controlling the size of the feed inlet of the feed bin is achieved, the size of the feed inlet can be adjusted conveniently according to the feed amount, the normal feed crushing efficiency and effect are prevented from being affected, the buffering assembly can play a buffering role under the elastic effect of the buffering spring, the crushing structure is protected, and the service life of the feed bin is prolonged. The service life is prolonged.

The utility model provides a can carry many small -size electronic cigarette's electronic cigarette charging box, including mutually adaptive charging box body, charging box back cover, charging box front cover and charging box upper cover, charging box body whole presents cuboid shape, the both sides of charging box body are equipped with cylindrical charging storehouse, can be connected setting mutually adaptive portable small -size pen -shaped electronic cigarette in cylindrical charging storehouse, cylindrical charging storehouse is connected with portable small -size pen -shaped electronic cigarette and charges, charging box back cover and charging box body slide connection, charging box front cover and charging box body card -to -connect, the bottom side of charging box upper cover and charging box body swing joint, still be equipped with the large capacity rechargeable power supply for portable small -size pen -shaped electronic cigarette charging in charging box body. The utility model has the advantages of: can realize one electronic cigarette charging box carries at least 2 portable small -size pen -shaped electronic cigarette, has improved the use experience of user greatly.

The present invention relates to a conveyor roller assembly suitable for use in environments subject to significant temperature variations and an integrated end cap. The integrated end cap ensures efficient torque transfer to the ceramic coil thanks to its resilience resulting from the deformation of the end cap during its assembly onto the ceramic coil.

This invention relates to the field of sand making technology, specifically to a sand making device with controllable stone powder content. The device includes a return conveyor tailstock, a sand making structure on the side of the tailstock, a primary filtration structure inside the tailstock, and a secondary filtration structure on the side of the tailstock away from the primary filtration structure. The stone powder is initially filtered by the up-and-down vibration of a moving block. When a specific size needs to be filtered out, the pneumatic bar valve moves, driving the inverted V-shaped guide plate to a parallel state. At this time, the first telescopic plate continues to move, changing the parallel guide plate into a regular V-shape, causing the stone powder on the guide plate to contact the interior of the return conveyor tailstock. This reduces the volume and irregularity of the splashed stone powder through collisions, and accelerates the guidance of the stone powder towards the pneumatic bar valve for filtration, thus improving production efficiency and the filtration effect of the pneumatic bar valve.

The encoding device, the decoding device, and the non-transitory computer-readable medium. The decision-making process includes: a first process performed when the current block is a luma block, determining whether a condition is met, wherein the encoding mode of the current block is different from the encoding mode of the adjacent blocks, and the encoding mode of the current block and the encoding mode of the adjacent blocks are one of three encoding modes, namely intra-block copy mode, palette mode, and inter-frame mode, and determining the boundary strength as a first value or a second value based on the determination of whether the condition is met; and a second process performed when the current block is a chroma block, determining the boundary strength as a first value regardless of whether the condition is met, wherein in the determination of whether the condition is met, the encoding mode of the current block and the encoding mode of the adjacent blocks are one of intra-block copy mode and inter-frame mode.

The utility model discloses a pattern grabbing driving structure for a pattern grabbing and drilling all-in-one machine, so that the equipment integration degree is higher, the size is smaller, a first pneumatic assembly is fixedly arranged on a moving execution end of a lead screw assembly, and a pattern grabbing mold is fixedly arranged at the bottom of the moving execution end of the first pneumatic assembly. The second pneumatic assembly is fixedly arranged on the side face of the moving execution end of the first pneumatic assembly, a fixing plate is fixedly arranged at the moving execution end of the second pneumatic assembly, a stretching column is fixedly arranged on the fixing plate, a supporting piece is arranged on the inner side of the stretching column, and the lower end of the supporting piece extends out of the lower end of the stretching column. A pressing rod is vertically arranged in the supporting piece, the upper end of the pressing rod is fixed to the upper end of the stretching column through an adjusting base, the lower end of the pressing rod is located below the supporting piece, the lower end of the pressing rod does not exceed the lower end of the blade, and the pressing rod is used for pressing out a nest groove while the material is scratched; the machine can be widely applied to the field of pattern grabbing and drilling all-in-one machines.

The application discloses a preparation method of slow-release phosphorus fertilizer based on buckwheat hull as raw material, and specifically implements the following steps: step 1, washing buckwheat hull with deionized water, drying and then crushing and sieving; step 2, extracting pigment from the sieved buckwheat hull; step 3, mixing and oscillating the treated buckwheat hull in step 2 with anhydrous calcium chloride; step 4, pyrolyzing and sieving the mixture in step 3 to obtain CaCl2 modified buckwheat hull biochar; and step 5, placing the biochar in a conical flask containing a phosphorus-rich solution, sealing and oscillating, then filtering the solid and drying to obtain slow-release phosphorus fertilizer. The application is simple in preparation, saves resources and protects environment, and solves the problems of excessive phosphorus in water and phosphorus deficiency in soil. On the other hand, slow-release phosphorus fertilizer is added into soil to slowly release phosphorus, avoids the problem of phosphorus loss caused by traditional chemical phosphorus fertilizer, and can also improve the physicochemical properties of soil, reduce the soil bulk density and increase the soil organic matter content.

The invention provides a method for optimizing a hinge point of a fly jib oil cylinder and a fly jib and a related device, and relates to the technical field of high-altitude operation equipment. The method comprises the following steps: acquiring a target function constructed based on the stress of a fly boom oil cylinder in the aerial work platform, preset optimization parameters and a fly boom angle; the preset optimization parameters comprise position parameters of a hinge point of the fly boom oil cylinder and the fly boom; the preset optimization parameter corresponds to a plurality of groups of candidate parameter values; according to the multiple sets of candidate parameter values and the fly boom angle range corresponding to the fly boom angle, the target function is solved, the target candidate parameter value enabling the maximum stress of the fly boom oil cylinder to be minimized is determined, and then the optimal hinge point position of the fly boom oil cylinder and the fly boom is obtained. Due to the fact that the objective function takes minimization of the maximum stress of the fly jib oil cylinder in the fly jib angle changing process as an optimization objective and is solved based on the candidate parameter values, the maximum stress of the fly jib oil cylinder can be reduced by optimizing the position parameters of the hinge points, and therefore the effects of reducing cost and reducing weight are achieved.

The invention provides a retractor for thyroid surgery, and relates to the field of retractors, the retractor comprises a frame body, a support frame plate is arranged in the frame body, and a skin negative pressure translation mechanism and a retractor mechanism are arranged on the support frame plate; the skin negative-pressure translation mechanism comprises a negative-pressure cylinder and a piston plate, the negative-pressure cylinder is connected to the supporting frame plate, the piston plate is movably connected into the negative-pressure cylinder in a sealed mode, the lower end of the piston plate is connected with an ejector rod, the lower end of the ejector rod is connected with a sealing body, the lower end of the sealing body is provided with a spring, the upper end of the spring is connected with the sealing body, and the lower end of the spring is connected with the negative-pressure cylinder; the drag hook mechanism comprises a drag hook and a rotating rod body, the drag hook is slidably connected to the supporting frame plate, one end of the rotating rod body is elastically and movably connected with the supporting frame plate, a pressing mechanism is arranged on the frame body, the pressing mechanism is rotationally pressed and attached to the other end of the rotating rod body, and the pneumatic telescopic rod firstly drives the skin negative pressure translation mechanism to adsorb the skin and then translates to open an incision. The drag hook mechanism extends into the incision under the assistance of the pressing mechanism, the integrated process is achieved, and double drag hook is conducted on the incision.

The utility model relates to air outlet structure technical field, concretely is a kind of air outlet structure, including air outlet barrel, the top of air outlet barrel is provided with bracket, the middle part of bracket is provided with electric push rod, the bottom of electric push rod is provided with adjusting plate, the top of bracket extends upwards and has pivot, the outside of pivot is movably connected with adjusting bracket, the both ends of adjusting bracket extend upwards and have connecting rod, the top of connecting rod is provided with mounting plate, this air outlet structure, by drive motor respectively drive adjusting bracket and worm to rotate, reach the purpose of adjusting the air outlet direction between bottom adjusting plate and air outlet barrel, drive motor drives worm to rotate, the direction before and after air outlet is adjusted, drive motor drives connecting rod to rotate, the bracket connected in the both sides of connecting rod drives the air outlet formed between bottom air outlet barrel and adjusting plate to be adjusted in the direction of left and right, increase air supply range, improve air supply demand.