27results about How to "Reliable performance" patented technology

The invention provides a marine storage battery water injection and electrolyte monitoring system and method, and the system comprises a marine storage battery water injection monitoring group control subsystem which constructs a marine storage battery water injection and monitoring bottom layer control unit combined multi-layer architecture, carries out the real-time online monitoring of the water injection state and electrolyte state of a storage battery, and carries out the real-time online monitoring of the water injection state and electrolyte state of the storage battery; acquiring water injection state information and electrolyte state information of the storage battery; the storage battery data transfer station combination subsystem is used for carrying out grouped storage battery data transfer through a grouped storage battery data transfer station according to the storage battery water injection state information and the electrolyte state information; the water injection electrolyte state display and control subsystem is used for sending a density measurement instruction through a state display and control upper computer to carry out density measurement and carrying out storage battery water injection state and electrolyte state display control; and the distributed layering complete subsystem constructs a distributed layering water injection monitoring complete system through a data transfer layering communication protocol, and carries out integrated monitoring control on the water injection state and the electrolyte state of the marine storage battery.

This invention relates to the field of alumina production technology, specifically to a chute scaling removal system. The system includes a feed pipe and a chute. The feed pipe is mounted on and communicates with the chute. An inner scraper and an outer scraper are installed inside the chute. The inner scraper is slidably connected to the inner wall of the chute, and the outer scraper is also slidably connected to the inner wall of the chute and simultaneously to one side of the inner scraper. A transmission mechanism is installed at the upper end of the outer scraper, and this transmission mechanism is connected to both the inner and outer scrapers to move and clean the scaling on the chute surface. This invention offers reliable performance, flexible operation, and simple cleaning. It can efficiently, safely, and environmentally friendly prevent chute blockage, ensure stable long-term production operation, alleviate scaling, solve production pain points, significantly improve work efficiency, reduce worker labor intensity, and prevent safety accidents.

A high-frequency and high-speed circuit board disclosed by the present invention comprises a circuit board body and a mounting frame, the circuit board body is matched with the mounting frame, four opposite corners of the circuit board body are provided with cushions, the mounting frame is provided with a plurality of dustproof mechanisms, the outer side wall of the mounting frame is fixedly connected with a driving motor, and the driving motor is fixedly connected with the circuit board body. The output end of the driving motor is fixedly connected with a driving shaft, the driving shaft is connected with a heat dissipation mechanism, the dustproof mechanism comprises a plurality of filter plates, the outer side walls of the filter plates are fixedly connected with two symmetrically-arranged fixing plates, a plurality of dustproof openings are formed in the mounting frame, electric energy is converted into mechanical energy through the driving motor, and the mechanical energy is stored in the mounting frame. When the circuit board runs, the driving shaft rotates to drive a fan or other heat dissipation devices in the heat dissipation mechanism to work, heat generated in the running process of the circuit board can be efficiently and rapidly dissipated, it is ensured that the circuit board is in a stable temperature environment all the time, the running efficiency of the circuit board is improved, and the service life of the circuit board is prolonged.

The present application relates to the technical field of aluminum strip electroplating, and particularly relates to a continuous extrusion and electroplating integrated preparation method for aluminum strip. The present application is characterized by the following aspects: a full-process continuous process design is adopted, including continuous extrusion, continuous electroplating pretreatment, continuous electroplating of composite coating, and continuous post-plating treatment; a differentiated process connection scheme is set for 1 series and 6 series aluminum alloy substrates; a nickel functional layer deposition thickness quantitative regulation and control model is adopted, in which a turbulence correction coefficient is introduced; and a copper-nickel composite coating structure, segmented current density control, plating solution temperature matching concentration matching regulation and control technology are adopted. The present application realizes integrated continuous production of aluminum strip forming and surface modification, greatly improves the adhesion, thickness uniformity and corrosion resistance of the coating, and balances the production efficiency and product performance, and can be widely applied to the preparation of conductive aluminum strips in high-end fields such as new energy vehicles.

The utility model discloses a wide-temperature weather-proof EVA front wall protection plate, which relates to the technical field of automobile body structures, and comprises an EVA protection plate body, the outer side of the EVA protection plate body is coated with a wide-temperature weather-proof coating, the wide-temperature weather-proof coating comprises a weather-proof shielding layer, a mechanical enhancement layer and a base material bonding layer, the outer side of the EVA protection plate body is coated with the base material bonding layer, and the weather-proof shielding layer is coated with a weather-proof shielding layer. And the outer side of the base material bonding layer is coated with the mechanical enhancement layer. According to the utility model, the three layers of composite coatings are subjected to material performance gradient design, a cross-layer energy dissipation network and interface chemical bonding reinforcement, so that a wide-temperature weather-proof protection system of outer shielding, middle buffering and inner anchoring is constructed. In circulation at the temperature ranging from-40 DEG C to 80 DEG C, all the layers play an independent function, overall performance gain is formed through component interpenetration and structure synergy, the service life of the front wall protection plate in severe environments such as extremely cold high temperature, rain, snow, salt mist and the like is prolonged, and the scheme is remarkably superior to a traditional single-layer coating scheme.

The present application provides an electrolyte solution, comprising an organic solvent, an electrolyte lithium salt, and an additive; wherein the organic solvent comprises a fluorinated solvent; the electrolyte lithium salt comprises a fluorine-containing sulfonylimide lithium salt; and the additive comprises a lithium halide salt. The electrolyte solution of the present application has good conductivity and flame retardancy, and a lithium-ion battery comprising the electrolyte solution has at least one of improved energy density, safety performance, output performance, and cycling performance.

The application provides a sealing structure for a deep-sea motor rotating shaft and a deep-sea power equipment, relates to the field of deep-sea motors, and solves the problem of poor reliability of the sealing structure of the rotating shaft of the existing deep-sea motor, which cannot meet the long-term operation and standby requirements of the motor in the sea. The structure comprises a sealing shell, a first floating sealing assembly and a second floating sealing assembly, the sealing shell is connected with a motor shell, the first floating sealing assembly and the second floating sealing assembly are arranged on the periphery of the rotating shaft and in the sealing shell, the sealing shell, the first floating sealing assembly, the second floating sealing assembly, the rotating shaft and the motor shell form an insulating oil cavity in communication with the inside of the motor shell, the sealing shell, the second floating sealing assembly and the rotating shaft form a water cavity in communication with the outside, the first floating sealing assembly and the second floating sealing assembly can move along the axis direction of the rotating shaft to change the space of the insulating oil cavity and the water cavity, and the first floating sealing assembly and the second floating sealing assembly can keep abutting during the movement.

The application relates to the technical field of unmanned aerial vehicle control, in particular to an unmanned aerial vehicle juggling control method and an unmanned aerial vehicle, wherein the method comprises the following steps: acquiring dynamic parameters of an unmanned aerial vehicle and a ball and a collision recovery coefficient of a racket and the ball; constructing a simulation model of the unmanned aerial vehicle according to the dynamic parameters and the collision recovery coefficient, generating a simulation environment according to the simulation model, a pre-constructed observation space, a motion space and a reward function; training a juggling control strategy network of the unmanned aerial vehicle in the simulation environment to perform a juggling task; and deploying the trained juggling control strategy network to the unmanned aerial vehicle, and controlling the unmanned aerial vehicle to perform the juggling task through the juggling control strategy network. Therefore, the problems of low adaptability, low task success rate and limited continuous juggling times of the unmanned aerial vehicle juggling in a complex scene in the related art are solved.

The present invention belongs to the field of drilling machinery, and specifically relates to a high-efficiency injection-suction hydraulic impactor, comprising: an upper joint, a nozzle, a nozzle support, a limiting guide sleeve, a live valve, an impact hammer rod, an outer tube, a lower cylinder sleeve and an impact anvil joint; the nozzle is installed in the center hole of the upper joint, the lower part of the upper joint is installed in the upper end of the outer tube, the limiting guide sleeve is installed in the upper inner hole of the outer tube, the upper limiting step of the live valve is suspended at the limiting ring position of the limiting guide sleeve, the upper end of the nozzle support is installed in the upper end inner hole of the limiting guide sleeve, the lower end guide tube of the nozzle support is inserted into the upper inner hole of the live valve, and the upper end of the impact hammer rod is installed in the lower inner hole of the limiting guide sleeve; the lower end of the impact hammer rod and the upper end of the impact anvil joint are both installed in the lower cylinder sleeve, the upper part of the impact anvil joint is installed in the lower end of the outer tube, and the lower cylinder sleeve is installed in the lower inner hole of the outer tube. The present invention can produce stable injection-suction performance, reduce the starting flow and working pressure, and improve the working performance of the hydraulic impactor.

The invention relates to a stepped magnetostrictive vibration energy collector with a compensation block. The collector comprises an L-shaped beam, a bias magnet, a stepped magnetostrictive composite structure and a compensation block, a stepped magnetostriction composite structure is fixed in the middle of the inner side of a vertical beam of the L-shaped beam; the bias magnet is placed at the far end of the horizontal beam of the L-shaped beam; the stepped magnetostriction composite structure comprises a stepped plate, a magnetostriction layer and a pickup coil; and the magnetostrictive layer is a magnetostrictive sheet. The device is better in mechanical performance, lower in cost and high in mechanical-magnetic conversion efficiency, and miniaturization and light weight of the device are facilitated; higher voltage application can be output under the condition of smaller amplitude, the prospect is wider, and the requirement of production economy is better met.

This invention discloses a method and system for detecting life jacket wearing at port berths. The method includes: constructing a monitoring area and deploying computing nodes; training a YOLOv8 model for initial and secondary detection, a ResNet model for illumination classification, a Uformer model for rain and fog recovery, and a YOLOv8 model for semantic segmentation; performing illumination scene recognition on the acquired images and adaptively selecting the corresponding preprocessing method; using the initial detection results, for personnel targets with insufficient pixel size, predicting their position by tracking and calculating the magnification factor, controlling the PTZ camera to magnify and perform secondary detection for confirmation; using the semantic segmentation results to determine whether the personnel are located in the land-based work area; and combining target tracking, triggering an alarm only when the personnel are not wearing life jackets, are located on land, and their status continuously exceeds a threshold. The system includes an intelligent PTZ camera, a management platform, and a processing unit. This invention solves the problems of difficult identification of small targets at long distances, poor adaptability to complex illumination, and high false alarm rate due to rule-based methods.

The utility model belongs to a battery module pole piece structure in the technical field of power batteries. A plurality of fixing studs (2) are arranged on the upper surface of the pole piece body (1), a fool-proof notch (3) is formed in the side edge of the pole piece body (1), the lower surface of the pole piece body (1) is connected with a battery cell (4), the upper surface of the pole piece body (1) is connected with a series copper bar (5), and each fixing stud (2) on the upper surface of the pole piece body (1) is of a structure capable of penetrating through a positioning hole in the series copper bar (5). The battery module pole piece structure disclosed by the utility model is simple in structure, reliable positioning and connection of the pole piece and the series copper bar are realized, the contact area is increased, the overcurrent capability is enhanced, and reliable working performance of the battery module is ensured.

The application provides a single floating seal structure and a deep-sea power equipment, and relates to the field of deep-sea motors, and solves the problem of poor sealing reliability of the rotating shaft of the deep-sea motor, which cannot meet the long-term operation and standby requirements of the motor in the sea. The structure comprises a sealing shell, a floating seal ring, a static seal ring and a rotating seal ring arranged in the sealing shell, the sealing shell is connected with the shell of the deep-sea motor, the rotating seal ring is fixedly connected with the rotating shaft of the deep-sea motor, the floating seal ring is sleeved in the inner ring of the sealing shell, the static seal ring is arranged between the floating seal ring and the rotating seal ring and can move along the axial direction of the rotating shaft, and the static seal ring and the rotating seal ring always keep the abutting state; a first cavity and a second cavity which are not communicated with each other are formed in the sealing shell, the first cavity is communicated with the inside of the shell of the deep-sea motor, the second cavity is communicated with the outside, and the floating seal ring can move along the axial direction of the rotating shaft to change the space of the first cavity and the second cavity.

The invention relates to the technical field of computer vision and artificial intelligence, and discloses a 3D workpiece interpretable classification method based on a large language model, which comprises the following steps: firstly, extracting topological features with clear geometric significance from 3D workpiece point clouds by utilizing a persistent coherence technology, and then, carrying out analysis based on a persistent value of the topological features to obtain a classification result; the method comprises the following steps of: classifying a plurality of 3D workpieces to be classified to distinguish key topological features from noise topological features, and on the basis, firstly generating unique personalized structure semantic description based on own topological features for each 3D workpiece individual to be classified; secondly, the personalized description is combined with a standard topological description of a corresponding workpiece category, the standard topological description is generated by statistically summarizing key and noise topological characteristics of a plurality of samples under the category, and finally, the composite structured semantic description is used as input to obtain a composite structured semantic description. And performing classification decision by using the large language model finely adjusted by the LoRA technology. According to the method, interpretable reasoning of a 3D workpiece classification result is realized.

The utility model provides a kind of hydraulic pump anti-suction empty device and tractor hydraulic pump mounting structure, and hydraulic pump anti-suction empty device includes: oil tank, its inside is equipped with oil storage cavity;Oil suction pipe, it is fixed on the oil tank, and the lower end of oil suction pipe is equipped with the first joint that can be used to connect external oil supplement device;External oil outlet pipe, it is fixed on the lower side of the oil tank, and the upper end of external oil outlet pipe is lower than the upper end of the oil suction pipe, and the lower end of external oil outlet pipe is equipped with the second joint that can be used to connect external hydraulic pump;The upper end of the oil suction pipe and the upper end of external oil outlet pipe are all communicated with the oil storage cavity.Using the utility model, oil liquid in oil tank interior can always immerse the upper end of external oil outlet pipe, when external oil supplement device is not stable to the oil supply of external oil outlet pipe, and oil liquid in oil tank interior guarantees the normal oil suction of hydraulic pump, effectively avoids the condition of pump suction empty, and the working performance of hydraulic pump is reliable.

The utility model discloses a high pressure type integrated temperature and pressure compensation horizontal type metal pipe float flowmeter which comprises a measuring assembly, a converter assembly, a long neck flange and a sensor assembly, the measuring assembly comprises a vertical pipe, a measuring pipe and a floater, the lower end of the vertical pipe is provided with a medium inlet and a medium outlet, and the measuring pipe is fixed in the vertical pipe; the floater is slidably connected in the measuring tube; the converter assembly is connected to the upper end of the vertical pipe. An indicator of the converter assembly is magnetically connected with the floater; the necks of the two long-neck flanges are respectively fixed on the peripheral sides, corresponding to the medium inlet and the medium outlet, of the vertical pipe; the sensor assembly comprises a pressure sensor and a temperature sensor; and the pressure sensor and the temperature sensor are respectively fixed on the outer walls of the two long-neck flanges and are electrically connected with the indicator. According to the utility model, when a process medium suddenly changes due to high temperature or high pressure, the pressure sensor and the temperature sensor can be operated to compensate measurement data or distortion data, so that the measurement accuracy is ensured.

The application discloses a filter box and a filter column self-cleaning device thereof, and relates to the technical field of filtration. The filter column self-cleaning device is applied to the filter box, the filter box is internally provided with a filter column, and the filter column self-cleaning device comprises the following components: a ring-shaped part, which is used for being sleeved with the outside of the filter column and can be rotationally connected with the filter column; a connecting part, which is arranged on the ring-shaped part; a plurality of bristles, one end of each bristle is fixed with the connecting part, and the other end of each bristle is used for being in contact with the outer surface of the filter column; and a driving structure, which is used for receiving the impact of a to-be-filtered liquid input into the filter box and driving the ring-shaped part to rotate by means of the impact force. The application can drive the bristles to rotate by means of the to-be-filtered liquid input into the filter box, so that the surface of the filter column is cleaned. That is to say, the application does not need to consume electric energy, and the working capacity is relatively reliable compared with the electric equipment and the electronic control system which are prone to faults.

This utility model relates to the field of automotive accessory technology and discloses a spare tire mounting and fixing structure for new energy vehicles. It includes a support frame, a clamp fixedly connected to the outside of the support frame, a fixing mechanism fixedly connected to the outside of the clamp, and a vibration damping mechanism fixedly connected to the outside of the support frame. The fixing mechanism includes a telescopic cylinder, which is fixedly connected to the outside of the support frame. A transmission assembly is fixedly connected to the drive end of the telescopic cylinder. A fixed support column is slidably connected to the outside of the transmission assembly, and a swing arm connecting rod is rotatably connected to the outside of the fixed support column. This utility model can shorten the vehicle's dwell time on dangerous road sections, reduce the risk of accidents, improve driving safety, ensure emergency travel, save time costs, and adapt to complex road conditions and emergencies. Compared with existing technologies, it achieves the effect of quickly accessing and changing the spare tire.

The present application provides a gallium oxide back-passivated solar cell and a preparation method therefor. The solar cell comprises a P-type silicon substrate. A front coating and a back coating are respectively provided on two opposite side surfaces of the P-type silicon substrate. The front coating comprises an emitter, a front silicon oxide layer, and a front silicon nitride layer which are sequentially stacked from the surface of the P-type silicon substrate to the outside. The back coating comprises a silicon oxide passivation layer, a gallium oxide passivation layer, and a back passivation layer which are sequentially stacked from the surface of the P-type silicon substrate to the outside.

This application belongs to the field of automatic testing technology for active linear arrays. This application provides an automatic testing device for active linear arrays. In the embodiments disclosed herein, the inputs and outputs of the active linear array under test are connected to an instrumentation unit via an RF switch matrix. A computer controls the RF switch matrix to switch measurement channels, switches the operating state of the active linear array via a product adapter unit, and sets and controls the instrumentation unit to perform measurements and read test data via a network connection. During the test, the device judges whether the test results meet the specifications. This device uses a multi-channel RF switch matrix, replacing traditional manual switching tests with automated testing via electronic switch switching. This not only greatly improves the testing speed but also ensures stable and reliable performance, high accuracy and repeatability, and low equipment wear. It improves the production debugging and acceptance methods of subsystems, significantly increasing the efficiency of production debugging and acceptance.

A double-extraction steam turbine rotating baffle, it relates to a steam turbine, it includes a rotating ring, a baffle body and a steam seal body; the rotating ring is an open rotating ring without a balance cover ring, the outer circumferential surface of the rotating ring extends to be nearly flush with the outer circumferential surface of the baffle body; a plurality of guide blades are arranged circumferentially on the end surface of the rotating ring, which are divided into a large-head guide blade group and a small-head guide blade group with different pitches, the large-head guide blade group and the small-head guide blade group are alternately arranged, and the small-head guide blade group is centrally symmetrically distributed on both sides of the vertical center plane, two adjacent guide blades are a rotating ring steam channel window, the rotating ring steam channel window corresponds to the baffle steam channel window one by one, when the rotating baffle is completely closed, the guide blades on the small-head guide blade group and the corresponding baffle body steam channel window reserve a minimum flow area window. The present invention improves the reliability and safety of high-speed double-extraction steam turbine units.

The invention relates to a linkage operation device for an elevator system and the elevator system. The linkage operation device comprises a base arranged on an elevator car; the detection part is arranged on the elevator car and is connected with a controller of the elevator system; the operation part is operably jointed with the base at least at a first position or a second position and is located at the first position when the elevator system normally runs, and when the operation part is separated from the first position, the detection part generates a first signal and provides the first signal to the controller to control the elevator system to enter a stop state; and when the operation part is located at the second position, the detection part generates a second signal and generates a third signal when it is detected that the protection device at the top of the elevator car is located at the working position and the car top protection area is limited, and the controller controls the elevator system to enter the maintenance state according to the second signal and the third signal. When the elevator car runs in the maintenance state, the operation part can make contact with a stopping device located at the preset position in the elevator shaft so as to stop the elevator car from running.

The utility model relates to the field of motors, and discloses a motor rotor and a self-cooling axial flux motor. The motor rotor comprises a rotor end plate with a main shaft hole and a plurality of permanent magnets which are annularly and uniformly arranged and fixed on the rotor end plate at intervals, and an air channel formed by a gap is formed between every two adjacent permanent magnets; the rotor end plate is provided with a main shaft cavity on the inner side of the permanent magnet, the inlet end of each air passage is communicated with the main shaft cavity, and the main shaft cavity is provided with at least one vent hole; the plurality of air passages are spirally arranged around the main shaft hole, so that negative pressure can be quickly formed in the main shaft cavity through the air passages when the motor rotor is used for the axial magnetic flux motor, the axial magnetic flux motor can form an efficient self-cooling heat dissipation effect through rotation of the motor rotor, and the performance and the stability of the motor can be improved.

The invention discloses a packaging structure suitable for a silicon optical gyroscope under middle and high voltage, which comprises a metal packaging base and a silicon photonic chip assembly, and also comprises an isolating layer which is connected between the metal packaging base and the silicon photonic chip assembly and has high dielectric strength and good interface stability, compared with the prior art, the isolation layer is formed between the metal packaging base and the silicon photon chip assembly to optimize the electric field distribution and the interface state in the packaging, so that stable and reliable electric field isolation is realized, the voltage endurance capability and the electric field uniformity of the whole packaging structure are improved, and the reliability of the packaging structure is improved. Therefore, the interference of an electric field, thermal stress and environmental stress on the optical phase and polarization stability of the silicon photonic device is effectively reduced.

A 6kW / 2460MHz packaged continuous wave magnetron core and a preparation method thereof, specifically relating to the technical field of packaged continuous wave magnetrons, comprising a lead assembly, a cavity assembly and an output end assembly which are welded and fixed in sequence from top to bottom, wherein the lead assembly comprises a wiring piece, a lead porcelain, a cathode valve ring, an upper pole shoe joint, an upper pole shoe, a shielding cap I, a cathode wire, a shielding cap II, a cathode branch I and a cathode branch II; the cavity assembly comprises a cavity, a partition belt, a water jacket, a water pipe joint and an output wire; the output end assembly comprises a lower pole shoe, a lower pole shoe joint, an output window, an exhaust pipe joint and an exhaust pipe which are welded and fixed in sequence from top to bottom; and the core is prepared through welding, carbonization, exhaust, aging and sealing processes, adopts a modular structure design as a whole, is convenient for assembly and welding, has high processing efficiency, is easy for mass production, has a long continuous service life, and meets the requirements of long-term continuous operation of small-volume and high-power microwave heating equipment.

The present application relates to a disinfectant manufacturing machine control device and a disinfectant manufacturing system. The device includes a temperature detector, a control device and a switch tube. The temperature detector is arranged on the mainboard of the disinfectant manufacturing machine. The temperature detector is connected to the controller. The controller is connected to the control end of the switch tube. The input end of the switch tube is used to access the power supply. The output end of the switch tube is electrically connected to the mainboard. The temperature of the mainboard is monitored by the temperature detector. When the temperature of the mainboard is abnormal, the mainboard can be controlled to disconnect the power supply and stop working, thereby avoiding poor working performance caused by the mainboard still running at an excessively high temperature, extending the service life of the mainboard, improving the safety performance of the disinfectant manufacturing machine, and thus improving the reliability of the disinfectant manufacturing machine.

The present invention designs a circuit structure for converting a single-board dual-antenna satellite signal into a baseband signal. This structure can be applied to single-board dual-antenna dual-system positioning and orientation, or even three-system positioning and orientation, and can also be applied to the test requirements of measuring two points on one board. Implementation steps: There are two antenna interfaces A and B, two amplification units and two primary power division units on the circuit. After the primary power division, the signal forms three-way signals, one of which forms two frequency points after mixing and secondary power division, and the other two forms two frequency points respectively. In this way, the two antennas A and B each form four frequency points, that is, two first frequency points and two second frequency points, such as GPSL1, GPSL2, BDB1, and BDB3. The two frequency points of the two antennas share a local oscillator unit, and then the radio frequency signals of the dual antennas are filtered; the filtered 8 radio frequency signals are down-converted and demodulated, and then output to the baseband part for baseband signal processing, thereby realizing the single-board dual-antenna multi-system satellite application.