24results about How to "Achieve direct connection" patented technology

The application discloses a multi-modal fusion-based embodied robot adaptive grasping system and method, relates to the embodied robot grasping technical field, and comprises the following steps: synchronously collecting depth point cloud and multi-band reflection spectrum data of a target object, and respectively constructing a geometric voxel model and a surface physical property matrix. Through cross-modal space alignment, the physical properties are accurately mapped to the geometric voxel to generate a fusion attribute voxel model. Based on the model, an optimal grasping area that simultaneously satisfies geometric stability, a high friction coefficient, a low thermal conductivity coefficient and a normal vector constraint is identified. According to the area information, the target pose and grasping force of the mechanical arm are calculated, and the grasping is controlled to be executed. The method realizes the collaborative utilization of the object geometry and physical properties, and makes the grasping action adaptive in the mechanical and thermal aspects.

This invention discloses a method for detecting the vacuum degree of a circuit breaker based on electron collision radiation inversion, belonging to the field of power equipment testing. The method includes the following steps: Step S1, synchronously acquiring X-ray pulse signals from multiple measuring points outside the arc-extinguishing chamber of the vacuum circuit breaker, extracting and parameterizing the pulse events to obtain the temporal distribution characteristics reflecting electron collision behavior; Step S2, establishing a feature enhancement model based on electron collision probability; Step S3, establishing a mapping model between the X-ray generation mechanism and the electron collision process, and then inverting the vacuum degree. This invention provides a method for detecting the vacuum degree of a circuit breaker based on electron collision radiation inversion. By establishing a physical mapping relationship between the statistical characteristics of X-ray pulse events and the electron mean free path and collision probability, it achieves quantitative inversion of the vacuum degree, thereby improving detection accuracy and physical interpretability.

The utility model provides a kind of secondary battery, comprising: cover plate assembly, cover plate assembly includes cover plate and the pole that is set on cover plate;Electrode assembly, including electrode main body and the tab that is extended by electrode main body, and multiple tabs of laminated setting form tab group;Connecting piece, connecting piece includes the first portion and the second portion of laminated setting, and first portion and the second portion are connected by bending part between;Wherein, tab group is set between first portion and the second portion, first portion is connected with pole, and the second portion, tab group are welded to first portion by laser.The utility model aims at providing secondary battery, to at least avoid the foreign matter caused by ultrasonic friction vibration produced by ultrasonic welding to enter electrode assembly.

This utility model discloses a novel folding sampler bracket for use with air samplers. The bracket includes a hanging plate, a connecting component, and an assembly component. The connecting component is disposed between the hanging plate and the air sampler, and the assembly component is removable and detachable from the surface of the hanging plate. By setting the hanging plate structure, it can be hinged to the outer wall of the air sampler, realizing a direct connection between the device and the air sampler, which is convenient for carrying and storage. Furthermore, by setting the assembly component detachably to the surface of the hanging plate, it is easy to place different testing containers on the surface of the hanging plate. Different assembly components can be pre-set on the hanging plate according to needs, improving the flexibility of the overall structure and optimizing the user experience.

The invention relates to the technical field of bridge engineering, in particular to a large-span assembly continuous pile plate structure adopting UHPC assembly plates and an assembly construction method. A large-span assembly continuous pile-plate structure of a UHPC assembly plate is adopted, and the middle prefabricated pipe pile is located between the two end prefabricated pipe piles; precast concrete main body bridge deck slabs are respectively erected between the two end precast pipe piles and the middle precast pipe piles; u-shaped crossed steel bars are arranged at the tops of the middle prefabricated pipe piles, and U-shaped longitudinal connecting steel bars are arranged at the ends, opposite to the prefabricated concrete main bridge deck slab, of the prefabricated UHPC assembly plates correspondingly; the U-shaped longitudinal connecting steel bars are arranged in a staggered manner and are inserted with transverse steel bars; the prefabricated pipe piles located in the middle and the prefabricated concrete body bridge deck slab are connected in a pouring mode through the prefabricated UHPC assembly plates to form a continuous pile-slab structure. According to the large-span assembly continuous pile plate structure adopting the UHPC assembly plates and the construction method, the overall rigidity and the spanning capacity of the assembly pile plate structure are improved, the bad aesthetic effect caused by small-span dense pile plates is improved, and the large-span assembly continuous pile plate structure has the advantages of being convenient to construct, environmentally friendly, economical and high in economical efficiency of the assembly pile plate structure.

The invention discloses a temporary supporting method for a prefabricated unit module, which comprises the following steps of: in the prefabricating process of the unit module, pre-burying bent anchor bars sleeved with internal thread sleeves at the positions of a hole top beam and a hole side wall; after the unit modules are prefabricated, trying to install temporary supports after demolding, and determining the positions of connecting holes; after holes are formed in the two end plates respectively, temporary supports are in place to the unit modules, the two ends of each temporary support abut against a hole top beam and a hole side wall of the corresponding unit module respectively, and the temporary supports are connected with the unit modules through bolts; the unit modules can be hoisted, transported and installed; after the unit modules are installed, the temporary supports can be detached. By applying the temporary supporting mode, the hoisting load of the top beam of the large hole can be effectively shared to the side wall of the hole through the temporary support, excessive reinforcement for the top beam of the large hole is not needed, deformation and cracking of the top beam of the hole under the hoisting working condition are effectively reduced, and the safety of the top beam of the hole is guaranteed. In addition, for different batches of prefabricated unit modules, various error deviations are different, and the temporary support can be recycled.

The invention discloses an X-ray imaging detection module and a manufacturing method thereof. The X-ray imaging detection module includes: a circuit board; the sensing material layer is used for converting the X-ray penetrating through the detected target into an electric signal; the first circuit is used for processing an electric signal provided by the sensing material; the first circuit is formed on the circuit board, the second circuit is formed on the circuit board and is used for supplying power to the sensing material layer and the first circuit and carrying out signal processing, the X-ray imaging detection module further comprises an interconnection layer, and the interconnection layer is electrically connected with the sensing material layer and the first circuit and provides electrodes connected with the second circuit. According to the X-ray imaging detection module, the high-density sensing material layer and the first circuit are arranged on the interconnection layer, and the low-density second circuit is arranged on the circuit board, so that the device is simple in structure, simple in manufacturing process, low in cost and good in performance.

The invention discloses a self-adaptive grabbing system and method for a body robot based on multi-modal fusion, and relates to the technical field of body robot grabbing, and the method comprises the steps: synchronously collecting depth point cloud and multi-band reflection spectrum data of a target object, and respectively constructing a geometric voxel model and a surface physical attribute matrix; and accurately mapping the physical attributes to geometric voxels through cross-modal space alignment to generate a fused attribute voxel model. Based on the model, an optimal grabbing area meeting geometric stability, high friction coefficient, low heat conduction coefficient and normal vector constraint at the same time is identified. And the target pose and grabbing force of the mechanical arm are calculated according to the regional information, and grabbing is controlled to be executed. According to the method, collaborative utilization of geometric and physical attributes of an object is achieved, and the grabbing action has adaptability in the aspects of mechanics and thermotics.

The utility model discloses a non-bearing vehicle type side wall connecting structure and a vehicle, which comprises a wheel cover edge beam, a hinge mounting plate and a side wall plate, and further comprises a connecting bracket, one end of the connecting bracket is fixedly connected with the side wall plate, and the connecting bracket comprises an L-shaped bending structure and is buckled and mounted on the side wall of the vehicle body to form a first cavity with a peripheral structure; the first cavity is of a cavity structure which is closed in the circumferential direction and opened in the length direction of the vehicle. According to the side wall connecting structure, the connecting support is arranged to reinforce the connecting structure of the junction area of the wheel cover edge beam, the hinge mounting plate and the side wall plate, specifically, a cavity structure with the effect similar to that of a tubular beam is formed through buckling installation of the L-shaped bent structure, on one hand, the peripheral structure is reinforced, and on the other hand, the connecting structure is more compact; on the other hand, the first cavity with the opening in the length direction of the vehicle body transmits part of acting force to the A column when the whole vehicle is collided, and the risk to a cockpit and a passenger compartment due to the fact that the vehicle forecabin structure is bent and deformed in advance is avoided.

The connecting base comprises a first connecting assembly and a second connecting assembly, and the first connecting assembly is provided with a mounting disc used for mounting a bearing assembly; the second connecting assembly is arranged in parallel with the first connecting assembly in the axial direction in a spaced mode and provided with an installation hole used for installing a steering pump. The steering device of the carry-scraper comprises a connecting base on the first side, a bearing assembly and a rotating shaft, and the bearing assembly is installed on a first connecting assembly; the rotating shaft is arranged in the connecting seat and penetrates through two ends of the connecting seat to be respectively connected with the steering wheel and the steering pump. The bearing assembly and the steering pump do not have a direct relation, when the bearing assembly is maintained, the bearing assembly is directly detached from the first connecting assembly without detaching the connection between the connecting base and the steering pump, the maintenance of the bearing assembly can be achieved, the maintenance procedure of the steering device is greatly simplified, and the maintenance efficiency is improved. And workers can maintain the steering device conveniently.

This application provides a power tool, comprising: a power assembly; a tightening assembly including a working head and a drive shaft movably connected axially, the working head for engaging a workpiece, and an output shaft of the power assembly connected to the drive shaft to drive the tightening assembly to rotate; and a torque detection assembly fixed to the drive shaft and rotating synchronously with it. According to this application, the working head and drive shaft are axially connected, which can accommodate axial deviations in the workpiece position during installation. The drive shaft is located inside the power tool, and its installation position is relatively fixed, making it less affected by external working conditions. By placing the torque detection assembly on the drive shaft, torque changes can be monitored in real time in a more stable environment, avoiding the influence of external interference on the signal, thereby improving the accuracy and reliability of torque measurement.

The invention discloses a remote control system for an intelligent rope skipping machine. The remote control system comprises a rope skipping machine body, a mobile communication module, a cloud platform server and a mobile phone terminal APP. An acceleration sensor and a gyroscope are arranged in the rope skipping machine body and used for collecting the number of rope skipping times, speed, calorie consumption and other movement data, the movement data are directly uploaded to a cloud platform through a built-in mobile communication module, and the limitation of a traditional Bluetooth mode is avoided. The cloud platform supports multi-terminal data sharing, allows users, authorized family members and coaches to remotely access exercise data through mobile phone APPs, and facilitates training guidance and family interaction. The system has a positioning function and a remote locking function, so that a user can find the equipment through base station positioning when the equipment is lost, and the equipment can be remotely locked to prevent the equipment from being abused by others. The rope skipping machine is further provided with a color display screen, parents or coaches are supported to send encouraging messages through an APP, interactivity and personalized experience are enhanced, rope skipping data transmission stability, equipment safety and user interaction experience are improved, and the rope skipping machine is suitable for schools, families and fitness places.

The utility model discloses a modular multi-level energy storage system with high adaptability, which comprises a modular multi-level converter connected with a power grid, the modular multi-level converter comprises a plurality of three-phase ports and converter modules formed by connecting power units in series, and the converter modules are connected in different modes and are respectively connected with the three-phase ports. The power unit comprises an energy storage subunit, a direct current conversion subunit and an alternating current conversion subunit which are sequentially connected in series, through the voltage regulation function of the direct current conversion subunit, the configuration flexibility of an energy storage medium in the energy storage subunit is improved, and the influence of secondary current on the power unit is reduced. The modular multilevel converter superposes the AC side voltages of the plurality of power units, thereby raising the voltage of the power conversion system, enabling the power conversion system to adapt to a middle-high voltage power grid, and solving the technical problem that an energy storage system cannot be directly connected to the middle-high voltage power grid.

The application provides a cover plate assembly, a composite cell and a battery pack. The cover plate assembly comprises a composite pole, an insulating piece, a first cover plate and a positive pole lug, and a second cover plate and a negative pole lug. The composite pole comprises a middle block and a first pole body and a second pole body protruding from the middle block, and the middle block is coated with the insulating piece. The first pole body penetrates through the first cover plate and the end of the first pole body is sleeved with the positive pole lug. The second pole body penetrates through the second cover plate and the end of the second pole body is sleeved with the negative pole lug. The positive pole lug is used for connecting the positive pole lug of the first cell, and the negative pole lug is used for connecting the negative pole lug of the second cell, so as to connect the two cells. The cover plate assembly can directly cover and connect the positive pole and the negative pole of the two cells, thereby realizing the direct connection of the two battery modules, reducing the setting of one or two groups of bus bars and circuit boards and the like, simplifying the battery structure, effectively reducing the space occupation of non-cell components, improving the energy density of the battery pack, and reducing the volume of the battery pack to facilitate the arrangement of the battery pack on various devices.

The utility model relates to the technical field of mechanical connection, and discloses a diesel pump straight connecting shaft which comprises a straight connecting shaft body, one end of the straight connecting shaft body is provided with a threaded rod connected with a water pump impeller, the other end of the straight connecting shaft body is rotationally connected with a connecting sleeve, and a diesel engine crankshaft is provided with an external thread. Internal threads used for being in threaded connection with a diesel engine crankshaft are formed in the side wall of the inner side of the connecting sleeve, the straight connecting shaft body is further provided with a limiting piece used for limiting relative rotation of the straight connecting shaft body and the diesel engine crankshaft, the installation technology between a diesel engine and a water pump can be reduced, and the installation efficiency is improved.

The present invention belongs to the technical field of heat-not-burn cigarettes, and particularly relates to a non-combustion type cigarette manufactured based on flocking technology. The cigarette comprises: a cigarette paper layer, which is a hollow cylindrical structure, an adhesive layer is provided on the inner wall of the cigarette paper layer, and tobacco filler particles, tobacco filler filaments or tobacco filler fibers are fixedly bonded to the adhesive layer. When the cigarette contains tobacco filler particles: the tobacco filler particles will not fall from the cigarette due to the adhesive fastening the particles to the inner wall of the cigarette paper, thereby eliminating the complicated process of using a blocking device at the open end of the cigarette. When the cigarette contains tobacco filler filaments or fibers: the tobacco filler filaments or fibers are arranged radially along the circumference of the cigarette to form countless channels in the radial direction of the cigarette in the same direction as the heat propagation direction. These channels are short and straight, which greatly reduces the thermal resistance of heat propagation in the radial direction of the cigarette, and improves the defects of existing cigarettes such as large thermal resistance, slow heat transfer rate and uneven heating.

This application provides a method for upgrading bauxite after grinding with mother liquor, belonging to the field of mineral processing. The method includes: grinding a mixed slurry of bauxite to be upgraded and circulating mother liquor to obtain an alkaline slurry with fully liberated aluminum and gangue minerals; using the circulating mother liquor as both a separation and auxiliary medium throughout the process, performing mineral processing and upgrading on the alkaline slurry to separate iron and silicon impurities in the circulating mother liquor medium, obtaining a concentrate slurry and a tailings slurry; sending the concentrate slurry to an alumina leaching process; and separating the tailings slurry to obtain circulating mother liquor and tailings byproducts. This application, through systematic process reengineering and closed-loop media design, successfully develops a bauxite pretreatment method that can be deeply coupled and seamlessly integrated with the Bayer process main process, avoiding interference from external media, and achieving efficient impurity removal under fully liberated mineral conditions.

The utility model discloses a novel broadband oscillation data multi-port transponder for an electric power system, which comprises a case. A network controller used for obtaining and forwarding broadband oscillation data, a shared memory device used for storing the obtained broadband oscillation data, a time synchronization device used for achieving time synchronization and an I / O controller used for being connected with external equipment are arranged in the case. The signal ends of the shared memory device, the time synchronization device and the I / O controller are connected with the signal end of the network controller; a data acquisition device and a data forwarding device are arranged on the outer side of the case; the signal input end of the network controller is connected with the signal input end of the data acquisition device, and the signal output end of the network controller is connected with the signal input end of the data forwarding device. According to the utility model, the acquired broadband oscillation data can be stored in time, the data packet loss condition is avoided, and the monitoring effect on the broadband oscillation data is improved.

This utility model provides an insulation resistance connection structure and a compressor. The insulation resistance connection structure includes a lead wire assembly extending from the stator, a terminal assembly disposed on the housing, and a connector connecting the lead wire assembly and the terminal assembly. The lead wire assembly includes a connecting terminal at its end, the terminal assembly includes a terminal body, and the connector includes a first sleeve portion and a second sleeve portion with telescopic flexibility. The first sleeve portion is fitted onto the terminal body, and the second sleeve portion is fitted onto the connecting terminal. This insulation resistance connection structure has a compact overall structure and is easy to assemble. The connector effectively isolates refrigerant, refrigeration oil, and other impurities, reducing contamination and rust on the connecting terminal and the terminal body. By covering the connecting terminal and the terminal body with the connector, current leakage to the compressor housing is effectively reduced, improving the compressor's insulation resistance.

The invention relates to a shielding device (5) for an airbag device (2) of a vehicle, the shielding device comprising a planar shielding element (6), a fixing element (7) and an elastically deformable clip (12), the fixing element being fixed to the inner side of the shielding element (6) and being designed to be U-shaped in cross section, the clip being designed to lock the fixing element (7) to a body element (4) of the vehicle, wherein the shielding element (6) is designed to deform at least partially when the airbag device (2) is triggered so as to open a through opening (19) for an airbag package (3) of the airbag device (2). It is provided that the fixing element (7) has a predetermined breaking point (17) which is at least partially torn apart when the airbag device (2) is triggered.

The present invention relates to a method for preparing a coded photocathode X-ray streak camera, a compressed ultrafast imaging device and a method, in order to solve the technical problems of the current spatial coding method of the photocathode of the X-ray streak camera, poor stability of the external hardware setting under vacuum connection conditions, and difficulty in calibration. The preparation method comprises: 1. preparing an optical mask; 2. depositing a chromium layer on the cathode window; 3. engraving a random binary pattern; 4. depositing a palladium layer to obtain a coded photocathode; 5. sealing the coded photocathode with the tube body of the stripe image converter. The device comprises an X-ray source for emitting X-rays, and an X-ray streak camera, a charge coupled device and a computing processor are sequentially arranged along the signal transmission direction. The method comprises: the X-ray source emits an X-ray light pulse which is converted into a coded electrical signal through the coded photocathode, and then forms a coded light signal through the stripe image converter, which is converted by the charge coupled device and transmitted to the processor to obtain a time series image.

The utility model discloses a transverse decorative strip and curtain wall installation system, which belongs to the technical field of curtain wall construction, and comprises a vertical keel, a panel, a connecting structure, a switching structure and a transverse decorative strip, mounting grooves are formed in the outer sides of the vertical keels in a full-length mode, and sliding grooves are formed in the bottoms of the mounting grooves; the connecting structure comprises an auxiliary frame, a pressing plate and a locking bolt; the auxiliary frame is arranged in the mounting groove in a full-length manner; the two ends of the pressing plates are connected with the two auxiliary frames in a pressing mode respectively. Mounting cavities corresponding to the pressing plates are formed in the mounting grooves; the inner end of the locking bolt is clamped in the mounting cavity, and the other end of the locking bolt sequentially penetrates through the mounting cavity and the pressing plate and then is provided with a locking nut; the inner ends of the switching structures are arranged in the sliding grooves, and the outer ends of the switching structures are connected with the transverse decorative belts. The mounting groove is formed in the vertical keel, mounting space is provided for the connecting structure, meanwhile, the sliding groove is formed in the mounting groove, the connecting structure is in sliding fit with the sliding groove, the connecting structure is matched with the sliding groove through the self-tapping screw, the switching structure slides along the sliding groove, and therefore the height of the switching structure can be adjusted at will.

The application discloses a biomolecule detection method and device based on water plowing effect and application thereof, and belongs to the technical field of biology. The method comprises the following steps: introducing a liquid sample to be detected into a micro-nano flow channel, the inner wall surface of which is decorated with specific recognition molecules for target biomolecules, so that the liquid sample to be detected flows in the micro-nano flow channel and generates a water plowing electric signal; collecting the water plowing electric signal; and judging whether the target biomolecules are contained in the liquid sample to be detected according to the change of the water plowing electric signal. The detection process of the application does not depend on fluorescence, enzymes or other markers, and does not involve complex biochemical reaction steps. The detection signal is generated by the liquid flow itself, and an external excitation power source is not needed, so that the target biomolecules can be rapidly detected.

The invention relates to a flexible printed board cable based on a straddle type connector, which comprises an electric connector (1), a flexible printed board (3) and a potting colloid (2), and is characterized in that the electric connector (1) is the straddle type connector, and the straddle type connector is directly welded on a reserved bonding pad (31) of the flexible printed board (3) through a contact piece (11); and then the welding part is embedded through the embedding colloid (2) to be fixed and reinforced. According to the flexible printed board cable and the straddle type connector connected with the flexible printed board cable, direct connection between the electric connector and the flexible printed board is achieved, a rigid printed board is omitted, and the manufacturing cost of the printed board is greatly reduced.