12results about How to "Return quickly" patented technology

The invention discloses an effective security domain-based post-power-grid-fault operation adequacy repairing method and system, belongs to the technical field of power grid fault repairing, and aims to solve the problems of conservative static limit, lack of visual representation of multi-section security situation and insufficient real-time cooperative correction capability in a traditional N-1 checking method. According to the method, the dynamic section limit is constructed by introducing the adjustable power flow transfer coefficient, and the visual depiction and the global strategy feasibility identification of the multi-section coupling safety boundary are realized based on the effective safety domain concept; and establishing a convex optimization collaborative repair model which takes the operation adequacy as a guide and takes the minimum total energy consumption of stored energy as a target. The improvement of quota formulation from static state to dynamic state, safety analysis from isolation to coupling and correction decision from experience to optimization is realized, and the observability of the operation state and the accuracy of the scheduling decision after the power grid breaks down are remarkably enhanced.

The invention belongs to the technical field of bulletproof helmets, and discloses a composite bulletproof helmet and a preparation method thereof.The composite bulletproof helmet comprises an anti-penetration shell, an STF-negative Poisson's ratio energy absorption layer is fixedly connected to the interior of the anti-penetration shell, a head protection plate is arranged on the anti-penetration shell, and the composite bulletproof helmet further comprises a deflection buffering piece arranged on the anti-penetration shell and used for buffering the deflection of the anti-penetration shell; the protection effect of the head protection plate is improved. The sleeve plate and the sliding rod are matched with the arc-shaped plate and the spring to support the head protection plate, when the head protection plate is impacted, the head protection plate can rotate and incline along the sliding rod, meanwhile, the spring and the rotating assembly buffer the head protection plate through the arc-shaped plate and the sliding rod, a bullet is effectively guided to slide along the helmet, impact energy is dispersed, and the safety of the bullet is improved. According to the structure, rigid impact is converted into elastic buffering and inclined sliding, stress concentration of impact points is reduced, impact loads borne by the head and the neck are reduced, and risks such as head hypsokinesis and cervical vertebra injury are avoided.

This utility model discloses a self-adjusting dual-wheel caster for AGVs, belonging to the field of AGV technology. It includes a mounting base with a bracket rotatably connected to its bottom. Casters are symmetrically arranged on both sides of the bracket. A movable groove is formed at the bottom of the bracket, housing an automatic adjustment mechanism for the tire tread to contact the ground. The two casters are respectively mounted on the left and right sides of the self-adjusting mechanism. An auxiliary adjustment mechanism for resetting the self-adjusting mechanism is provided above it. This utility model, through its movable groove and free adjustment mechanism, allows the casters to automatically adjust their angle according to load changes, ensuring the tire tread remains in effective contact with the ground, enhancing grip and driving stability. The auxiliary adjustment mechanism utilizes the elasticity of a spring to ensure the free adjustment mechanism quickly returns to its original position, compensating for the reset delay problem inherent in purely mechanical automatic adjustment. Combining manual intervention with automatic adjustment improves system reliability.

The utility model relates to a falling rod sealing device belongs to the technical field of industrial equipment sealing. Including falling rod frame and installing elastic support mechanism on the falling rod, and the falling rod is hung in the downside of falling rod frame through chain, elastic support mechanism includes locating block, stud, adjusting nut and spring, locating block fixed mounting is in the falling rod frame, the stud is set in the locating block through the coupling, and the adjusting nut of locating block below is sleeved on the stud, and the spring is set between adjusting nut and falling rod, and the falling rod is closely contacted with the trolley sealing plate through the elastic force provided by spring. The utility model adds the elastic support mechanism on the basis of existing falling rod, so that in addition to falling rod can rely on the self weight and trolley top surface contact, still can rely on the elastic force that elastic support mechanism adds and trolley top surface contact, ensure that the sealing is good, avoid the air leakage.

The utility model provides a seat collision recovery energy-absorbing mechanism and a seat. The seat collision recovery energy-absorbing mechanism comprises a recovery energy-absorbing mechanism, a fixed plate and a movable plate, the moving plate is rotatably connected with the fixed plate, and the moving plate is connected with the seat angle adjuster; the return energy absorption mechanism comprises a lock hole, a spring bolt matched with the lock hole, an energy absorption groove, an energy absorption piece and an energy absorption bolt penetrating through the energy absorption groove and the energy absorption piece, a through hole is formed in the energy absorption piece, under the locking state that the spring bolt is inserted into the lock hole, the movable plate is fixed relative to the fixed plate, and the energy absorption bolt penetrates through the through hole to be connected with the energy absorption piece; in the unlocking state that the lock tongue is separated from the lock hole, the moving plate rotates relative to the fixed plate, and the energy absorption bolt is separated from the through hole and then moves relative to the energy absorption groove to absorb energy. The utility model relates to the technical field of automobile seats, and can solve the problems that an automobile seat return mechanism in the prior art is large in size, poor in static strength and stability, complex in structure and low in collision return speed.

The invention provides pervious concrete water permeability detection equipment and a detection method thereof.The cleaning and scraping mechanism further comprises a rotating shaft, a hook, a deformation ring and a sliding block, the rotating shaft is hinged to the upper end of the side, provided with a sliding groove, of a supporting plate, the hook swings on one side of the rotating shaft, and the deformation ring is embedded in the side, close to the supporting plate, of the hook; the sliding block is located at the end, away from the hook, of the deformation ring, the end, away from the rotating shaft, of the hook is arranged in an arc shape, the hook extends to one side of the scraping ring, the end, at the rotating shaft, of the hook swings in an inclined mode, the hook perpendicularly corresponds to the clamping ring, and a groove is formed in the outer side of the clamping ring and is in an arc shape. The outer side or the upper end of the clamping ring perpendicularly abuts against the upper end of the hook, at the moment, the threaded rod can drive the hook to move upwards through the clamping ring, then the scraping ring can slide upwards in the material barrel, residual concrete on the inner wall of the material barrel can be cleaned through the scraping ring, and the situation that the residual concrete on the inner wall of the material barrel cannot be rapidly cleaned is avoided.

A kind of charging device for sharing massage device storage device, including outer casing, the storage box for carrying waistband type massager is retractably arranged in outer casing, the power of battery is guaranteed by external socket, the bottom of storage box is fixedly provided with support plate, support plate is formed with the load groove for placing waistband type massager at the center of storage box, the charging port for charging wire to go out is opened in the bottom center of load groove;Between battery and charging port, charging wire is provided, charging wire includes charging head in charging port and soft wire for connecting charging head and battery.The beneficial effects of the utility model are: charging port is set in the bottom center of load groove, optimization returns process, user does not need additional adjustment position to aim at charging head, improves convenience;Soft wire connects charging head and battery, can flexibly bend or stretch when storage box retracts and moves.

The application discloses a fixed brake caliper assembly, an assembling method and a vehicle, and relates to the field of automobile parts, and the fixed brake caliper assembly comprises a brake caliper, a brake block, an auxiliary elastic member and a sound-absorbing sheet, the brake caliper comprises a positioning pin and a main compression spring, the auxiliary elastic member is clamped between the positioning pin and the brake block, the auxiliary elastic member and the main compression spring form a double-side auxiliary return structure, the sound-absorbing sheet is provided with lateral limiting structures at two ends in the long end direction of the brake block, and the two lateral limiting structures are elastically attached to two guide surfaces of the brake caliper. The application can solve the industry common problem that it is difficult to control the drag torque of the brake block and the brake disc in the prior art and the Rattle noise problem caused by the clearance collision of the brake system, significantly improves the brake NVH performance, and solves the problems of the complicated return and sound-absorbing structure, poor universality and high modification cost in the prior art.

The application discloses an intelligent traditional Chinese medicine auxiliary diagnosis system based on knowledge graph retrieval and enhanced generation, and relates to the technical field of traditional Chinese medicine auxiliary diagnosis systems.The system comprises a knowledge base and an online reasoning module, the knowledge base comprises a vector knowledge base and a graph knowledge base, the graph knowledge base is obtained by knowledge extraction and entity recognition on a traditional Chinese medicine original text data set through a large language model (LLM), and the entities in the graph knowledge base are vectorized to obtain the vector knowledge base; the online reasoning module adopts the large language model (LLM) to perform named entity recognition on a user question, obtains entities related to traditional Chinese medicine, queries a triple containing the most relevant entities in the graph knowledge base, takes the obtained triple as known knowledge, and inputs the triple and the user question spliced together as prompt words into the large language model (LLM). The system takes professional traditional Chinese medicine knowledge as the knowledge base, takes the large model as a tool for knowledge collation and summarization, and accurately identifies the demand of a user in a man-machine interactive mode.

The invention discloses a laser equipment control system for heterogeneous cascade control. The laser equipment control system comprises an upper computer, a master station module and at least one slave station module, the slave station module comprises a slave station chip, a slave station FPGA and a slave station processor. The master station module and the slave station chip establish communication connection based on an EtherCAT protocol; the slave station chip is connected with the slave station FPGA through a high-speed parallel interface, and the slave station processor is connected with the slave station FPGA; the system comprises a cascade working mode and an independent working mode. And the slave station processor receives a control instruction of the upper computer, transmits the control instruction to the slave station FPGA, controls the working state of the laser equipment, collects state information and transmits the state information back to the upper computer. The high-speed parallel interface between the slave station chip and the slave station FPGA replaces a traditional serial interface, the data transmission rate is greatly improved, the high-real-time control requirement is met, the two modes are flexibly switched, multiple slave station modules do not need to be forcibly configured, and the application flexibility and expansibility are improved.

This utility model discloses a steel wire diameter detection platform, relating to the field of steel wire detection technology. It aims to solve the problem that most existing steel wire diameter detection devices use a single-direction detection method, making it difficult to comprehensively and accurately detect the steel wire diameter and prone to detection blind spots. The measuring housing has a fixed plate inside, on which a detection component is mounted. The detection component has multiple sets of annular arrays. A limiting component is located on the other side of the fixed plate, connected to the detection component via a connecting component. By setting up four sets of annular array detection components on the steel wire diameter detection platform, the steel wire diameter can be detected from two directions, enabling comprehensive and blind-spot-free acquisition of steel wire diameter data, effectively avoiding detection blind spots. Compared with traditional single-direction detection methods, this significantly improves the accuracy and reliability of the detection results.

The application provides a kind of loudspeaker sound optimization system and method, belongs to loudspeaker technical field, containing loudspeaker support, the loudspeaker support is equipped with loudspeaker body, the outside of the loudspeaker support is fixedly connected with connecting outer ring;The outer circumferential surface of the connecting outer ring is fixedly connected with assembly outer ring, and the assembly outer ring is reserved with mounting hole;The upper and lower two side rods on the loudspeaker support are equipped with anti-oscillation module;The other end of the anti-oscillation module is equipped with assembly rod.The application solves the problem that the existing loudspeaker lacks structure to reduce oscillation, and the loudspeaker will produce oscillation during work, which will cause the components to touch each other, and noise will be generated when touching, which will cause the sound quality played by the loudspeaker to deteriorate during work, and the oscillation will also cause the connection between parts to be loose or even detached.