223results about How to "Fast transfer" patented technology

The invention provides an MXene / CNF composite mesoporous fiber material as well as a preparation method and application thereof. The preparation method comprises the following steps: injecting an MXene / CNF spinning solution into an acetic acid coagulating bath, fishing out the MXene / CNF spinning solution, and air-drying the MXene / CNF spinning solution to obtain the MXene / CNF composite mesoporous fiber material, the MXene / CNF spinning solution is a dispersion liquid of nano cellulose and MXene in water. According to the MXene / CNF composite mesoporous fiber material with high conductivity and narrow distribution, the mesoporous structure not only effectively transfers stress, but also contributes to rapid transmission of electrons and ions, has a relatively high application prospect in the fields of electromagnetic shielding, wave absorption, energy storage device electrodes and flexible sensors, and can be widely applied to the fields of electromagnetic shielding, wave absorption, energy storage device electrodes and flexible sensors. And a novel multifunctional platform is expected to be provided for wearable electronic equipment, electronic skin, human body motion monitoring equipment and the like.

The application provides a Gaussian ball clustering method for three-dimensional reconstruction of a highway traffic accident site, comprising the following steps: S1, collecting multi-view images of the accident site, solving camera parameters and initializing a three-dimensional Gaussian ball scene; S2, constructing a rendering training loop based on the initialized three-dimensional Gaussian ball scene, and adaptively adjusting the Gaussian ball density through cloning or splitting operations; S3, extracting the spatial and color features of the three-dimensional Gaussian ball, and constructing a multi-modal physical feature set; S4, calculating an adaptive discrete step length based on the multi-modal physical feature set, and mapping the continuous features into discrete coordinates; S5, generating a multi-modal hash index based on the discrete coordinates, and realizing continuous rearrangement of the same type of Gaussian ball in the display memory through GPU parallel sorting; S6, performing physical conservation formula parameter aggregation on the same type of Gaussian ball continuously stored in the display memory, releasing redundant display memory and simplifying the three-dimensional Gaussian ball set; and S7, completing all training iterations, and exporting the final simplified three-dimensional Gaussian ball set into a general PLY format file.

The utility model discloses a feeding device for sensor assembly. The feeding device comprises a bottom frame, a vertical plate and a movable base. A mounting cylinder is arranged at the top of the bottom frame, an O-shaped ring vibration disc is arranged in the mounting cylinder, a material supplementing frame is arranged on one side of the O-shaped ring vibration disc, and a channel is formed between the material supplementing frame and the O-shaped ring vibration disc; the feeding mechanism is driven to quickly move in the horizontal direction and the vertical direction through cooperative work of a plurality of air cylinders, so that O-shaped rings are quickly grabbed and transferred by the negative pressure suction device, and the feeding time is greatly shortened; o-shaped rings are automatically and orderly arranged through the O-shaped ring vibration disc, the O-shaped rings are supplemented in time in cooperation with the material supplementing frame, and continuous supply of the O-shaped rings is guaranteed; the feeding precision is improved through positioning formed by a positioning seat, a positioning block, a telescopic rod and a spring; the feeding process is monitored in real time through the scanner, problems are found and fed back and adjusted in time, and the operation reliability of the whole feeding device is further improved.

The utility model relates to the technical field of coating processing, in particular to a lifting type coating stirring device which comprises a conveying mechanism, a stand column arranged on one side of the conveying mechanism, a lifting mechanism arranged on the stand column, a stirring mechanism connected with the lifting mechanism and a barrel cover assembly connected with the lifting mechanism. The lifting mechanism comprises a lead screw which is vertical or even arranged on one side of the stand column, a driving motor which is arranged on the top of the stand column and used for driving the lead screw, a lifting table connected with the lead screw and a fixing frame connected with the lifting table. The stirring mechanism comprises a stirring frame connected to the fixing frame, a stirring motor connected with the stirring frame and a stirring rod connected with the output end of the stirring motor. According to the utility model, the lifting mechanism is arranged and can drive the stirring mechanism to move up and down when the stirring mechanism stirs the coating, so that the coating in the stirring barrel is fully stirred, the phenomena of layering, caking and the like are avoided, and the quality of the coating is ensured.

The invention provides a data compression and transmission method for electronic skin of a humanoid robot, belongs to the field of intelligent humanoid robots with bodies, and is used for solving the problems that when large-area electronic skin is applied to the humanoid robot, the data transmission amount is large, the communication rate is low, and the field environment requirement cannot be met. Through the steps of dynamic scanning and acquisition of the electronic skin based on the touch area, data preprocessing, data stroke compression, data differential coding of the non-zero reference value, feature extraction of the touch area and the like, the high compression ratio of the electronic skin terminal to the data is realized, and the data transmission form can be dynamically adjusted; rapid transmission of electronic skin data is achieved, the edge computing capacity of the electronic skin is achieved, and the sensing capacity of the robot body is improved.

The application belongs to the technical field of metal lithium preparation, and discloses a lithium ingot casting system in a metal lithium closed environment and a lithium ingot casting method. The lithium ingot casting system is used for receiving high-temperature liquid metal lithium after distillation and purification to perform casting, cutting and bagging in a mold. The lithium ingot casting system comprises a glove box and a mold arranged in the glove box. The glove box is provided with a gas circulation module. The glove box is connected with the inside of the glove box by the gas circulation module and controls the gas environment in the glove box. The glove box is provided with at least two independent chambers, i.e. a preparation chamber and an operation chamber. At least one of the preparation chamber and the operation chamber is provided with a buffer chamber connected with the outside for material exchange. The buffer chamber is provided with detachable sealing structures on the ports connected with the outside and the inside for sealing, and the independent gas environment control is realized by connecting the gas circulation module. The mold is arranged in the operation chamber. The mold comprises a cooling support and a plurality of mold barrels arranged on the cooling support. The mold barrels are detachably connected with the cooling support.

The utility model discloses a detachable exhibition light adjusting support, which relates to the technical field of exhibition equipment, and comprises a cross beam and a fixing frame arranged on the cross beam, and further comprises a support fixing component, an angle adjusting component, a telescopic component and a light component. By means of the detachable connection mode among the illuminating lamp, the telescopic shaft, the telescopic cylinder, the clamping plate and the fixing frame, during transportation and storage, all the components can be detached and separated, the occupied space is greatly reduced, the transportation cost and the storage difficulty are reduced, and meanwhile rapid transfer and reinstallation in different exhibition sites are facilitated; according to the support, by adjusting the height of the clamping plate on the straight rod and adjusting the angle of the lifting handle through the angle adjusting assembly, flexible adjustment of lamplight in height and angle can be achieved, the requirement for all-directional and multi-angle illumination of exhibits in different exhibition scenes can be met, and the exhibition effect is effectively improved.

The invention discloses an integrated movable cold spraying system which comprises a movable platform, and a cold spraying control cabinet, a gas source, a powder feeder and a heater which are integrally mounted on the movable platform. The spray gun is connected with the movable platform through an integrated pipeline and comprises a spray pipe, a grip and a switch arranged on the grip. The system is provided with a pneumatic control module for distributing gas output by a gas source, so that the gas source is respectively connected with the powder feeder and the heater. A powder feeding gas pipe of the powder feeder flows through the heater to preliminarily preheat powder carrying gas, and then the powder feeding gas pipe and a hot gas pipe of the heater are jointly led to the integrated pipeline. According to the invention, high-pressure cold spraying core equipment is integrated on the mobile platform and is connected to the spray gun with a simplified structure through the integrated pipeline, so that rapid movement and deployment of the whole set of system are realized. And the spray gun is light in weight and can be held by hand, so that high-pressure spraying operation is flexible and convenient, and the field operation capability of the high-pressure cold spraying technology is greatly expanded.

The utility model provides a kind of blanking device of lock detection, including the divider turntable and blanking frame being installed on detection platform, divider turntable includes fixed inner disc and movable outer disc, at least one blanking station is provided on movable outer disc and at least 6 fixed tool are evenly distributed, blanking station is equipped with blanking frame at corresponding detection platform, blanking assembly is installed on blanking frame, blanking assembly includes servo rotation part, material taking part and transmission part, servo rotation part drives material taking part to transfer the lock that has been measured on blanking station to transmission part to collect, transmission part is equipped with OK conveying line and NG conveying line, saving bin to prevent NG piece outflow is equipped on NG conveying line, saving bin is equipped with touch password lock, the utility model breaks through sorting efficiency, realizes flexible sorting and NG piece forced control enhancement.

The application discloses a method for treating antibiotic wastewater by using a graphdiyne / ferrous indium sulfide nanocomposite to activate persulfate, and the method is characterized by using the graphdiyne / ferrous indium sulfide nanocomposite as a catalyst to activate persulfate for degrading and treating antibiotic wastewater, wherein the graphdiyne / ferrous indium sulfide nanocomposite comprises ferrous indium sulfide nanoparticles, and the nanoparticles are loaded with graphdiyne nanosheets. The method for treating antibiotic wastewater by using the graphdiyne / ferrous indium sulfide nanocomposite to activate persulfate uses the graphdiyne / ferrous indium sulfide nanocomposite as a catalyst, wherein the nanocomposite has many reactive sites, high catalytic activity and good stability, can efficiently activate persulfate with a smaller amount of catalyst, can efficiently remove antibiotics in wastewater, and has the advantages of low cost, high treatment efficiency, good removal effect, green environmental protection and the like, and therefore, the method has important significance for effectively purifying antibiotic wastewater, has high use value and good application prospect.

The utility model relates to the technical field of TYPE-C combined high-frequency wires, and discloses a high-stability TYPE-C combined high-frequency wire, which comprises a TYPE-C plug and a TYPE-C plug shell, one end of the TYPE-C plug is provided with a high-frequency PCB4 laminate, a signal pin of the TYPE-C plug is conducted with a corresponding circuit on the high-frequency PCB4 laminate, the TYPE-C plug shell wraps the outer side of the TYPE-C plug, and the high-stability TYPE-C combined high-frequency wire is arranged in the TYPE-C plug shell. A clamping plate pin of the TYPE-C plug shell is connected with the high-frequency PCB4 layer plate and electrically connected with a ground wire layer of the high-frequency PCB4 layer plate, an FPC signal wire is arranged at one end of the high-frequency PCB4 layer plate, and a circuit on the FPC signal wire is communicated with a corresponding circuit of the high-frequency PCB4 layer plate. According to the utility model, the signal pins of the TYPE-C plug are conducted with the circuits corresponding to the high-frequency PCB4 layer board, signals are transmitted to the high-frequency PCB4 layer board through the TYPE-C plug and then transmitted to the FPC signal line, the FPC flexible bar insulating layer covers the FPC signal line to reduce interference, and the structures work cooperatively, so that the effect of ensuring stable and rapid transmission of high-frequency signals is realized.

This disclosure presents an all-weather intelligent desalination device, comprising a high-transparency top cover, a solar energy storage device, and a housing. The housing includes a first chamber and a second chamber. A plurality of photothermal devices are disposed within the first chamber and connected to the housing via a rotating shaft. A raw water storage chamber is formed between the photothermal devices and the bottom of the housing. An evaporation and condensation chamber is formed between the photothermal devices and the high-transparency top cover. The photothermal device includes a photothermal structure and a hydrophobic layer, a first hydrophilic layer, a second hydrophilic layer, and a third hydrophilic layer disposed outside the photothermal structure. The first hydrophilic layer surrounds the periphery of the hydrophobic layer, forming a first planar structure. The second hydrophilic layer is perpendicular to the first planar structure. The third hydrophilic layer is connected to the second hydrophilic layer and forms a second planar structure. This device can achieve high-efficiency seawater desalination in all weather conditions and can adjust the rotation of the photothermal devices according to different light intensities to achieve efficient evaporation, greatly improving desalination efficiency.

The present application relates to financial bill management device technical field, specifically, relate to a kind of financial bill archive track suspension transmission device, it includes electric slide rail, upper shell and lower shell, and the lower shell both sides and bottom are separately provided with inlet and outlet;Shell inside is provided with transmission assembly, rotary table, conversion device and clamping assembly.Transmission assembly includes collection chamber, No.1 turntable and No.2 turntable;Rotary table surface is provided with sliding hole and movable hole, and its top is provided with No.4 turntable with limiting seat;Conversion device is driven to slide down by slanting disc and makes protruding column embed in the circular slot of limiting seat, eccentric circle rotation of control rotary table;Clamping assembly includes telescopic assembly, No.1 sliding plate, No.2 sliding plate and transmission assembly.The present application can realize the automatic clamping, classification transmission and multi-point flow of bill, adapt to the stable access of bill of different thickness, and have temporary storage function, effectively improve the automation degree and space utilization of financial bill archive.

This disclosure relates to the field of mobile communication technology, providing a communication method, an electronic device, and a storage medium. The communication method is applied to a site device, and includes: determining a first radio frame; wherein the first radio frame includes first identification information, the first identification information indicating that the site device is switching from a first access point device to a second access point device, and the service transmitted by the site device is a low-latency service; and transmitting the first radio frame, instructing the second access point device to reserve resources for the low-latency service. This disclosure provides a mechanism for access point device switching when supporting the transmission of low-latency services.

The application relates to the technical field of vehicles, in particular to a vehicle-mounted video sharing method based on a PCIe bus, an automobile central platform, an electronic device and a computer readable storage medium. The method comprises the following steps: a plurality of system-level chips are connected in communication through a PCIe switch; in each system-level chip, an independent shared memory space is respectively allocated for each camera; when any system-level chip acquires video data, the video data is stored in the local shared memory space, and the video data is transmitted to a PCIe domain space through direct memory access after address mapping; other system-level chips acquire the video data from the PCIe domain space and store the video data in the local shared memory space; and in response to a reading request of the video data of an application program running on any system-level chip, the video data is read from the local shared memory space by the application program.

The invention belongs to the technical field of electro-catalysis, and particularly discloses a Cu nanoparticle / acidified carbon nanotube catalyst and a preparation method and application thereof.According to the preparation method, acidified pretreated carbon nanotubes with good conductivity and high specific surface area are selected as a substrate, CuO nanoparticles are evenly loaded through a hydrothermal method, and the Cu nanoparticle / acidified carbon nanotube catalyst is obtained; and growing a zeolite imidazate framework material-8 (ZIF-8) on the surface of the CuO nanoparticle-loaded carbon nanotube in situ, and regulating the thickness of an ultrathin nitrogen-carbon layer on the surface and coordination of Cu-N by regulating the calcining temperature and time. According to the Cu nanoparticle / acidified carbon nanotube catalyst as well as the preparation method and the application thereof, the Cu nanoparticles are encapsulated in a confined manner, so that long-service-life electrically-driven CO2 is converted into a high-added-value C2 + product, catalytic active sites of the Cu nanoparticles are fully exposed, the charge transfer rate is increased, and the intrinsic activity of the Cu active sites is improved.

The utility model discloses an automatic compression forming machine of xiqi wormwood leaf cake, including the bottom plate, the fixed seat is fixedly arranged on the bottom plate, the support rod is fixedly arranged on the fixed seat, the fixed disc is fixedly arranged on the support rod, the fixed disc is provided with the compression structure, the compression structure includes the rotating board and the extension ring, the rotating board sets up on the fixed disc, realizes the compression of xiqi wormwood leaf cake through the compression structure, the extension ring is detachably arranged on the fixed disc, the collecting structure is arranged between the fixed seat and the fixed disc, the collecting structure includes the collecting cover and the baffle, the middle plate is arranged on the fixed seat, the collecting cover is detachably arranged on the middle plate, the baffle is detachably arranged on the collecting cover, the collecting structure is provided with multiple sets, and the xiqi wormwood leaf cake that completes compression is collected conveniently through the collecting structure.

The utility model discloses a novel quench machining tool, which relates to the technical field of quench machining tools, and comprises a base and a support frame arranged at the upper end of the base, a base is arranged in the base, a second mounting plate is arranged on the base, a quench mechanism is arranged at the upper end of the base, and the quench mechanism is positioned at the bottom end of the support frame. A cooling mechanism and a positioning mechanism are mounted on the support frame; through cooperation of the cooling mechanism and the auxiliary mechanism, a cooling medium can be conveniently and rapidly transferred, and a valve is independently installed at each water outlet, so that cooling along with the quenching position of a machined part is facilitated, the cooling speed of the workpiece is consistent, and the problems of hardness difference and deformation of the machined part are avoided; through cooperation of a moving assembly and a second lead screw, the quenching position and the cooling position can be moved at will according to the quenching requirement, and then the quenching effect is improved; finally, the problems of deformation of machined parts and inflexible movement of a quenching device caused by unreasonable design of an existing machine tool cooling system are solved.

The utility model relates to the field of ton bag supporting equipment, in particular to a ton bag supporting structure. The device comprises a bottom frame, a plurality of supporting rods are vertically arranged on the periphery of the bottom frame, and hooks are arranged at the top ends of the supporting rods; self-locking universal wheels are arranged on the periphery of the bottom frame, connecting pipes are arranged on the supporting rods in a sliding mode, and the hooks are arranged on the connecting pipes and fixed through fasteners. A stabilizing plate is arranged in the center of the bottom frame and connected with the inner side wall of the bottom frame through a reinforcing rod, the bottom of the stabilizing plate is connected with a stretchable pulling plate through a bearing, and one end of the pulling plate horizontally extends out of the bottom frame and is connected with a handle through a pulling rod. The ton bag supporting structure has the advantages of being stable in structure and convenient to operate, move and adjust the height, and loading and transporting efficiency of ton bags is effectively improved.

The invention discloses an all-optomagnetic turnover magnetic film as well as a preparation method and application thereof. The all-optical magnetic turnover magnetic film comprises a Ta layer, a first Pt layer, a Co layer, a Ru layer, a Gd layer and a second Pt layer which are sequentially stacked on the surface of a substrate, wherein the thickness of the Ru layer is 0.8 nm, 1.3 nm or 1.5 nm. The preparation method of the all-optical magnetic flipping magnetic film comprises the following steps: sequentially depositing a Ta layer, a first Pt layer, a Co layer, a Ru layer, a Gd layer and a second Pt layer on the surface of a substrate by adopting ultrahigh vacuum direct current magnetron sputtering to obtain the all-optical magnetic flipping magnetic film. The all-optical magnetic flipping magnetic film has the advantages of high switching efficiency, low switching energy, wide energy window, easiness in regulation and control, stability in repeated writing and the like, can be applied to the fields of high-density ultrafast magnetic storage, information processing and the like, and is suitable for large-scale application.

The utility model relates to the technical field of intelligent logistics and cooperative scheduling control, and particularly provides an intelligent logistics transfer device. The device comprises a transferring device, a swing arm structure, a grabbing mechanism and an intelligent cooperative scheduling module. The system integrally supports task state feedback, path obstacle avoidance and cluster scheduling execution, is suitable for flexible storage, intelligent carrying and multi-target material circulation scenes, and has the remarkable technical advantages of intelligent control, path optimization, task collaboration and the like.

The utility model relates to the technical field of circuit board processing, in particular to a current adjusting device for circuit board electroplating, which comprises an electroplating box, a portal frame is mounted in the middle of the top of the electroplating box, an electric cylinder is mounted in the middle of the top of the portal frame, and the output end of the electric cylinder is fixedly mounted in the middle of the top of a transverse plate. A rotating shaft is rotatably mounted on the side, away from the anode, of the transverse plate, a clamping assembly is arranged at the bottom of the rotating shaft, a conductive slip ring connected with the cathode of the current regulator is mounted at the top of the rotating shaft, a stirring shaft is rotatably mounted on the other side of the transverse plate, and a plurality of stirring rods are mounted below the outer side wall of the stirring shaft. The electric cylinder drives the transverse plate to ascend, the U-shaped plate can be driven to ascend, the U-shaped plate drives a circuit board to ascend to leave electroplating liquid in the electroplating box, when a worker takes the circuit board, fingers do not need to stretch into the electroplating liquid, and harm to the fingers is reduced.

The utility model discloses a kind of coating devices, including the coating box of the front end being provided with box door, coating box is provided with hanger mechanism, electric rotary disc mechanism, lifting mechanism, coating mechanism and a pair of interval setting first guide rail;Hanger mechanism is located above a pair of first guide rail, and pulley adapted to a pair of first guide rail is set in the lower end of hanger mechanism;Electric rotary disc mechanism is set on lifting mechanism, and electric rotary disc mechanism can be moved up and down by the drive of lifting mechanism, and can drive the hanger rotation in hanger mechanism after moving up;Coating mechanism is located in the side of hanger, and coating is carried out to the workpiece hung on hanger by coating mechanism.The utility model realizes the quick transfer and accurate positioning of hanger mechanism in coating box, thereby avoid the loading and unloading operation of workpiece in coating box, greatly reduce the time of intermediate loading and unloading workpiece, improve the continuity and overall coating efficiency of coating operation, shorten production cycle.

This invention discloses a three-armed cadmium sulfide nanorod photocatalyst, comprising: three-armed cadmium sulfide nanorods, molybdenum disulfide, and iridium disulfide; wherein each of the three tips of the three-armed cadmium sulfide nanorods is loaded with molybdenum disulfide and iridium disulfide. This photocatalyst is obtained by mixing the three-armed cadmium sulfide nanorods with iridium chloride and sodium molybdate in a solvent, followed by a hydrothermal reaction. This invention achieves efficient separation of photogenerated electron-hole pairs and improves photocatalytic performance by successfully loading molybdenum disulfide and iridium disulfide nanoflower-like co-catalysts onto the tips of the three-armed cadmium sulfide nanorods.

The application provides a multi-modal sensor time synchronization method for road monitoring, comprising: acquiring sensor data for target road detection, and determining a communication time delay; according to actual network conditions and environmental changes, optimizing a compensation value in real time to obtain an optimized data set; based on the complete optimized data set, determining a network topology structure; according to the optimized network topology structure, determining a time synchronization signal sequence of relative time delay information of each node in the network; and optimizing time synchronization of all sensors for target road detection. The application introduces a dynamic environment modeling and adaptive network topology optimization strategy, effectively overcomes the shortcomings of traditional time synchronization technology, and can realize high-precision multi-modal data time synchronization in a complex dynamic environment.

The utility model discloses a silicon wafer basket transplanting lifting mechanism which comprises a lifting module, a transplanting mechanism, a wafer carrying basket, a pressing positioning mechanism, a basket front positioning mechanism and a basket side positioning mechanism. The transplanting mechanism comprises a transplanting motor, a transplanting bottom plate, a sliding rail assembly, a middle plate, a transplanting plate, a speed multiplication synchronous belt, a power wheel, a side edge plate, a top plate and a supporting rod, the sliding rail assembly is arranged on the transplanting bottom plate and connected with the transplanting plate through the middle plate, and the transplanting motor drives the power wheel to drive the speed multiplication synchronous belt to move; the slide carrier flower basket is placed on the transplanting plate, the pressing positioning mechanism is installed on the top plate, the flower basket front positioning mechanism is arranged at the front end of the transplanting bottom plate, and the flower basket side positioning mechanism is arranged on the side portion of the transplanting bottom plate. The telescopic mechanism is used for rapidly transplanting the silicon wafer flower basket, so that the beat time of equipment is shortened, and the flower basket transmission efficiency and stability are improved.

This utility model discloses a clip structure for fixing underfloor heating pipes, belonging to the field of clip structures. It includes a clip body and fixing nails. The fixing nails are made of a material with poor thermal conductivity. While fixing the underfloor heating pipes with the clip body, they also provide insulation, reducing the transfer of heat from the pipes to the building layers below the insulation layer, thus reducing heat loss. An insulation part is provided at the end of the clip body that contacts the ground, further reducing the transfer of heat from the pipes to the building layers below the insulation layer, minimizing heat loss. The inner body is made of the same material as the heat dissipation component, both using materials with high thermal conductivity, resulting in high heat transfer efficiency and allowing for rapid transfer of heat from the pipes to the floor, improving the efficiency of heat transfer from the underfloor heating pipes to the floor layer.

The invention belongs to the technical field of solid-state batteries, and discloses an alloy ion / electron mixed conductor and application thereof. The mixed conductor is prepared by taking antimony powder, lithium powder or sodium powder and at least one metal powder of lanthanum, scandium, yttrium, aluminum, gallium and indium as raw materials through ball-milling mixing, tube sealing annealing and quenching treatment. When the mixed conductor is used as an interlayer of a lithium / sodium metal negative electrode and an electrolyte in the solid-state battery, the growth of lithium / sodium dendrites can be effectively inhibited through a specific nucleation mechanism, and the utilization rate of the metal negative electrode is improved; when the conductive additive is used as a conductive additive of a silicon, red phosphorus or graphite / hard carbon negative electrode material, by virtue of high ion / electron conductivity and good potential stability, the interface side reaction is reduced, and the rate capability and the cycling stability of the negative electrode material are remarkably improved.

This utility model relates to the field of automotive parts technology, specifically an automotive brake disc, including an outer disc body and an inner disc body disposed on the back of the outer disc body. A connecting member is disposed between the outer disc body and the inner disc body. The outer disc body has several first heat dissipation holes, which are connected to the interior of a heat dissipation cavity. This automotive brake disc, through the coordinated use of the outer disc body, inner disc body, heat dissipation cavity, connecting member, first heat dissipation holes, mounting part, mounting hole, and second heat dissipation holes, allows for rapid heat generation due to friction between the brake disc and brake pads during braking. The heat dissipation grooves, first heat dissipation holes, and second heat dissipation holes on the surfaces of the outer and inner disc bodies, with their unique structure and layout, guide air to form a complex airflow when the brake disc rotates, increasing the contact time and area between the air and the brake disc surface, significantly improving heat exchange efficiency and enhancing heat dissipation performance. Furthermore, the heat dissipation grooves increase the effective heat dissipation area of ​​the brake disc.

The invention relates to the field of atmospheric environment monitoring and high-altitude sampling, and discloses an atmospheric trace nitrous acid and formaldehyde profile detection device carried by a small aircraft and a detection method. The absorption liquid is fed into the double-channel miniature spiral trapping trap through a peristaltic pump to be mixed and contacted with the sample gas to form a sample solution; a liquid storage bottle is arranged on the automatic sample disc, and the top of the first liquid inlet needle is connected with a liquid outlet of the dual-channel miniature spiral trapping trap; a color developing solution in the color developing solution storage bottle is injected into the liquid storage bottle through a second liquid inlet needle, and the constant-temperature reaction kettle controls the color developing reaction temperature to form a sample solution to be detected; a to-be-detected sample solution is pumped into the absorption cell through the liquid pumping needle, and the liquid pumping needle is driven by the liquid pumping arm to move up and down; the absorption cell is connected with a detector, and the detector is used for detecting the component concentration of the sample solution to be detected; the automatic sampler and the rapid reaction detector comprise the same automatic sample disc to realize rapid sample transfer.