136results about How to "Avoid heat damage" patented technology

The application provides a PCB connector, which comprises a stabilizing piece, a first pin and a second pin. The stabilizing piece is provided with a mating plane, the first pin penetrates through the PCB to form a bottom soldering area, and the second pin elastically contacts and presses the PCB to form a top contact area. Through a unique spatial layering design, the soldering area and the contact area are arranged in a staggered manner in the vertical direction, synchronous operation of soldering fixation and elastic contact is realized, and this innovative double-area separation structure breaks through the process limitation of traditional connectors, simplifies the complex multi-step installation into one-time plug-in installation, not only saves the circuit board overturning step, but also avoids repeated positioning errors and thermal stress damage, greatly improves the assembly efficiency and ensures the connection reliability. The design is particularly suitable for high-density electronic assembly, and provides a new solution for the compact design of modern electronic equipment.

The application provides a microcapsule, a composite fabric, a preparation method of the composite fabric and a summer quilt. The preparation method of the composite fabric comprises the following steps: A1, treating the top surface and the bottom surface of a moisture-permeable layer by using oxygen plasma; A2, adding microcapsules and a crosslinking agent into water to obtain a sticky liquid; coating the sticky liquid on the bottom surface and the top surface of the moisture-permeable layer in a dotted form, bonding the moisture-permeable layer and a moisture-removing and air-permeable layer by taking the top surface of the moisture-permeable layer as a bonding surface, bonding the moisture-permeable layer and a skin-friendly cool layer by taking the bottom surface of the moisture-permeable layer as a bonding surface, drying and hot pressing; the microcapsule comprises a core material and a shell covering the outside of the core material, the core material comprises a glue, and the glue is selected from glue A or glue B or a combination of the two, the glue A is a solvent-free moisture curing reaction type polyurethane hot melt adhesive, and the glue B is an acrylate with an epoxy group and / or a urethane group. The application can guarantee the moisture permeability and air permeability of the composite fabric.

This invention relates to an insulating oil and an oil-paper insulation system containing superhydrophobic nanoparticles, as well as their preparation method and application, belonging to the field of electrical equipment insulation technology. This invention provides an insulating oil containing superhydrophobic nanoparticles, wherein the superhydrophobic nanoparticles are silane-modified nanoparticles, and the nanoparticles include at least one of SiO2, TiO2, and h-BN; the insulating oil includes at least one of mineral insulating oil, synthetic insulating oil, and natural ester insulating oil. This invention achieves the superhydrophobicity of the nanoparticles and good compatibility with the oil phase through silane modification. Adding silane-modified nanoparticles to the insulating oil effectively reduces the water content of the insulating oil and optimizes the interfacial performance of the oil-paper. Combined with the low-temperature, high-efficiency, and uniform rapid impregnation process of this invention, the overall electrical performance and service life of the oil-paper insulation system are significantly improved.

The invention relates to a phase shift mask substrate and a dynamic magnetron sputtering preparation method thereof, a MoSi-based gradient film layer is continuously and dynamically deposited on the substrate, and the method comprises the following steps: carrying out first-stage deposition on the substrate by adopting a molybdenum-silicon alloy target so as to form a transition layer; carrying out second-stage deposition on the transition layer to form a main body functional layer through deposition; and third-stage deposition is carried out on the main body functional layer to form a surface modification layer through deposition, and the MoSi-based gradient film layer is obtained. The invention provides a one-step sputtering deposition method capable of dynamically and accurately regulating and controlling, so that the inherent contradiction between the performance and the stress of a single-layer uniform film is fundamentally solved, and the complexity and the uncertainty of a traditional multi-step process are avoided.

The utility model relates to the technical field of papermaking mesh production, and discloses a drying device for monofilament papermaking mesh production, which comprises a shell, a cavity is arranged in the middle of an inner cavity of the shell, a motor is fixedly mounted on the rear portion of the inner cavity of the cavity, and a rotating handle is fixedly connected onto an output shaft of the motor through a coupler. The front portion of the rotating handle is movably connected with a traction rod through a shaft, the bottom end of the traction rod is movably connected with a lifting rod through a shaft, the lifting rod is movably connected with the bottom of an inner cavity of the cavity in a sleeved mode, a connecting block is fixedly installed at the bottom end of the lifting rod, and the bottom of the connecting block is movably connected with a stretching roller through a shaft. The stretching roller is driven by the motor to stretch and shake the monofilament papermaking mesh, material shrinkage stress is counteracted, mesh hole blockage and deformation caused by monofilament winding or adhesion are avoided, surface roughness or protrusions are reduced through mesh piece tensioning, the flatness requirement is met, water in the material is migrated through shaking, the water content is reduced, and therefore the needed drying time is shortened. The device working efficiency is improved.

This invention relates to the technical field of oil and gas recovery, and discloses an oil and gas recovery adsorbent regeneration system based on the synergy of thermal desorption and vacuum desorption. The system includes an adsorption tank, a vacuum pump, a heating module, an intelligent control unit, and a water removal module. The intelligent control unit is connected to the adsorption tank, the vacuum pump, and the heating module. The adsorption tank contains adsorbent, and a set vacuum degree is applied to the adsorption tank using the vacuum pump. The heating module heats the adsorption tank using steam or hot nitrogen in addition to vacuum desorption. Vacuum desorption reduces the surface pressure of the adsorbent, lowering the boiling point of the adsorbate. Combined with the high-temperature desorption effect of thermal desorption, this significantly enhances desorption efficiency while reducing energy consumption. The intelligent control unit adjusts the synergistic parameters of temperature and vacuum degree in real time. The system integrates adsorption, desorption, and water removal functions, supports continuous cyclic operation, increases the stability of oil and gas recovery rate, and eliminates the need for manual intervention in the regeneration process.

The invention relates to a solid fuel combustion characteristic test technology, and aims to provide a focusing single particle suspension variable atmosphere ignition combustion experiment device and method. A second microporous plate and a feed hopper are arranged at the top of a combustion chamber main body of the device, and a first microporous plate and a gas buffer cavity are arranged at the bottom; the two laser emitters are arranged in an included angle shape, and the energy of a single laser beam is lower than a fuel particle ignition threshold value; the two paths of laser intersect in the central area of the cavity to form a space energy focus, and the superposed energy of the two beams of laser can be absorbed at the position to reach an ignition threshold value; and light paths of diagnosis equipment in the optical acquisition module are intersected in a focus area. According to the invention, through a strategy of airflow disturbance and microwell plate blocking, particles completely move in airflow; the ignition behavior has spatial selectivity, the success rate is high and controllable, and the research is closer to the actual application scene. Through the design of single-particle fixed-point triggering, the system complexity and the control difficulty can be reduced, and the operation stability and the experiment repeatability can be improved.

This utility model discloses a system for combined denitrification under full-load conditions in a circulating fluidized bed boiler, comprising a wide-temperature-range SNCR denitrification module and a flue gas circulation module. The injectors in the wide-temperature-range SNCR denitrification module are arranged in the inlet flue of the high-temperature separator, the inlet flue of the high-temperature superheater, or the boiler furnace. The flue gas circulation module includes a flue gas circulation header and flue gas circulation branch pipes arranged along the flue gas flow direction. The flue gas circulation header connects to the flue gas circulation branch pipes, which are connected to the air preheater via a primary air fan. The inlet of the flue gas circulation header connects to the outlet of the induced draft fan. This utility model extends the lower limit of the conventional 800~1050℃ temperature window to 650℃. It uses ethanol as a low-temperature additive, resulting in relatively low denitrification costs and convenient ethanol addition and removal. Compared with existing SCR denitrification technology, the system is simpler and more economical. It does not require boiler modification, nor does it require additional denitrification reactors and catalysts, making the system relatively simple and facilitating switching between low-temperature denitrification mode and conventional denitrification mode.

The utility model relates to the field of optics, and discloses a wafer array type multi-wire cutting device which comprises a machine body, and a roller is arranged at the front end of the machine body. The mortar spraying assembly comprises a rectangular box and a connecting arm, the bottom end of the rectangular box is open, and a first spraying unit and two sets of second spraying units are arranged in a cavity of the rectangular box; and a position adjusting unit is arranged between the two second spraying units and the rectangular box and comprises a servo motor, a rotating shaft and a moving seat. The position adjusting unit is arranged between the two sets of second spraying units and the rectangular box, so that the positions between the two sets of second spraying units and the rectangular box can be adjusted, the positions of the two sets of second spraying units are adjusted according to the size of an actual machined part, and it is guaranteed that mortar is reasonably and evenly distributed on the workpiece in the cutting process; and the stability of cutting quality is ensured.

The utility model discloses an inflatable pulp board accessory reinforcing device belongs to inflatable pulp board technical field, this inflatable pulp board accessory reinforcing device, including processing table and the hot -blast rifle of installing at processing table top, the front end of first support is connected with rotating mechanism, the front end mounting of second support has drive mechanism, the front end of second support is connected with reciprocating mechanism, the bottom of reciprocating mechanism is connected with the drum, drive mechanism is used for driving reciprocating mechanism movement, the utility model discloses through rotating mechanism adjustment hot -blast rifle muzzle and the angle and distance between processing table, ensure that hot -blast concentrated effect is in the bonding area, promote heating efficiency and avoid material overheating damage, through drive mechanism with stable mechanical power replaces manual hot -blast rifle and scraper's physical labor, reduce the worker's fatigue while guaranteeing processing rhythm consistency, through reciprocating mechanism drive drum reciprocating sweep, automatically exclude air bubble and compact bonding layer, promote scraping pressure degree and the stability of frequency.

The application provides a method for analyzing a 4H-SiC femtosecond laser processing optimal energy interval, and belongs to the technical field of engineering optics based on computer data processing. First, the evolution of electron density, lattice temperature and electron temperature under irradiation is simulated by constructing a three-dimensional model and an electron density cumulative rate equation and a double-temperature model, so that the lattice modification threshold and the ablation threshold are determined. Then, a plurality of experimental data points are selected in the interval for single-pulse laser processing, the surface morphology, removal depth and removal radius of each data point are counted by using conventional characterization methods, and the accuracy and non-thermal removal threshold of the model are determined by observing the number of surface spatter particles and the flux calculation of the morphology edge. Further, the optimal structure modification energy interval, cold processing interval and hot ablation processing interval of 4H-SiC are determined. The application uses fewer sample damage test times, improves the sample utilization rate, shortens the research period, and accelerates the flux screening of the optimal laser processing.

This utility model discloses a heat regulation mechanism for a calender, relating to the field of calender technology. The key technical points are: it includes a machine body and a pressure roller and a heating roller rotatably connected to the machine body. A guide roller is provided on one side of the machine body, and a contact piece for detecting fabric thickness is rotatably connected to the bottom surface of the guide roller. Extending shafts are fixedly connected to both ends of the pressure roller and the heating roller along their length. A heat insulation sleeve, slidably connected to the outer peripheral wall of the extended shaft and mounted on the outer peripheral wall of the pressure roller, is fitted onto the extended shaft. The hardness of the heat insulation sleeve is less than that of the pressure roller. After the contact piece rotates, the heat insulation sleeve is retracted onto the extended shaft. This utility model reduces the hardness and temperature of the pressure roller and the heating roller by setting a sliding heat insulation sleeve, avoiding heat damage to thinner fabrics caused by high temperatures, and ensuring the yield rate of the fabric after calendering.

The utility model relates to the technical field of solar storage battery temperature control, in particular to a solar storage battery sensing temperature control self-heating system which comprises a protection box, a heating load module is arranged in the protection box, a storage battery is placed in the heating load module, and the storage battery is arranged in the protection box. A pulse generation and control module electrically connected with the heating load module is arranged at one end of the outer side wall of the protection box, and a temperature collection and feedback module is arranged in the middle of the side wall of the heating load module. The pulse generation and control module is combined with the PWM controller, so that the dynamic adjustment of the pulse frequency and the duty ratio is realized, the heating power can be accurately controlled according to the real-time temperature feedback, the energy consumption is obviously reduced, and the system adaptability is improved; a grid frame structure consisting of transverse and longitudinal PTC heating sheets is adopted, and a silica gel heat diffusion layer (the heat conductivity coefficient is greater than or equal to 3W / m.K) is combined, so that rapid and uniform transfer of heat is ensured.

The invention discloses a battery fiber of an ultraviolet curing electrolyte as well as a preparation method and application of the battery fiber. The battery fiber comprises an electrode fiber core, a gel electrolyte layer and a polymer encapsulation layer from inside to outside. The electrode fiber core is formed by twisting and compounding a positive electrode fiber and a negative electrode fiber; the gel electrolyte layer is formed by curing a precursor containing a photocuring monomer, a photoinitiator, a linear polymer and a lithium salt through ultraviolet irradiation. According to the preparation method, a stable gel electrolyte layer is rapidly constructed on the surface of the fiber at normal temperature through an ultraviolet curing technology, so that the potential safety hazard that a traditional liquid electrolyte is easy to leak is solved, an electrode-electrolyte interface is also remarkably optimized, and the interface impedance is reduced. The obtained battery fiber has excellent flexibility, high safety and good electrochemical performance, the slender one-dimensional form of the battery fiber can be directly woven into an intelligent fabric through a textile technology, and an ideal flexible embedded power supply solution is provided for wearable electronic equipment.

The invention provides a gold-plated solder laser deplating recovery method and system based on AI cooperation, and the method comprises the steps: carrying out the multi-modal data collection and AI cooperation modeling of a to-be-machined part, and obtaining a partition characteristic model; laser processing parameters and a laser processing path are generated based on the partition characteristic model, and laser deplating processing is carried out; the method comprises the following steps: carrying out negative pressure adsorption enrichment on noble metal particles through a micro-fluidic chip, and synchronously collecting characteristic spectrum data and temperature data; a laser deplating effect evaluation result is obtained through an AI evaluation model; and performing dynamic fine adjustment on the laser processing parameters according to an effect evaluation result to form closed-loop iteration. According to the application, integrated intelligent cooperation of gold-plated solder deplating detection, process execution and precious metal recovery is realized through cooperative linkage of multi-mode sensing, AI cooperative regulation and control, laser precision processing and micro-fluidic recovery feedback and differential process adaptation; and the plating adaptability of the laser deplating process, the controllability of the deplating process and the high efficiency of precious metal recovery are improved.

The utility model belongs to the technical field of circuit board tin removal and tin soldering equipment, and particularly relates to a heating table which comprises a shell, a heat conduction panel, a first clamping block and a second clamping block, the upper end of the shell is provided with a mounting hole, a heating disc is arranged at the mounting hole, the heat conduction panel is arranged above the heating disc, and the first clamping block and the second clamping block are arranged on the shell. The upper end of the heat conduction panel is provided with a heating position corresponding to the heating disc, heat released by the heating disc can be transmitted to the heating position, the first clamping block and the second clamping block are oppositely arranged on the two sides of the heating position, and the first clamping block can move towards the direction of the second clamping block so that a circuit board on the heating position can abut against the second clamping block. According to the utility model, the circuit board can be in a horizontal state through the arrangement of the step, all positions of the circuit board can be uniformly heated, and the circuit board can be kept stable and the operation accuracy is improved when the electronic component is disassembled or welded and the like through the mode that the first clamping block is arranged to move towards the direction of the second clamping block.

The invention discloses a prepreg tape interlayer modification and enhancement method for automatic fiber laying, and belongs to the technical field of automatic fiber laying. The prepreg tape interlayer modification and enhancement method comprises the steps of online thermal softening, plasma thermal excitation nanometer material dispersion, hot air flow auxiliary deposition and air cooling solidification. Uniform and stable deposition of uniformly dispersed nano materials on the surface of the prepreg tape is realized, and a'physical interlocking 'modified enhanced interface is constructed, so that the interlayer bonding strength of the prepreg tape is improved. The problems that in the background technology, conventional nano modification is prone to particle aggregation, uneven in dispersion and difficult to embed, and an existing modification technology is incompatible with the online high-speed production process of automatic fiber laying are solved.

The invention discloses a laser power automatic adjusting method and system in a remote foreign matter removing process of a power transmission line, and the method comprises the steps: recognizing and positioning a foreign matter through an inspection image, analyzing the spatial position relation between the foreign matter and a power transmission line, preliminarily judging the contact state of the foreign matter, and outputting a contact risk level; analyzing the foreign matter, and constructing an initial thermal coupling risk parameter based on the contact risk level; controlling the laser to perform short-time irradiation on the foreign matter for a preset time length at the tentative power, and synchronously collecting thermal response characteristic information generated by the surface of the foreign matter in the irradiation process; based on the thermal response feature information, comparing with a preset thermal response reference model, dynamically judging the actual thermal coupling state between the foreign matter and the power transmission conductor, and correcting the initial thermal coupling risk parameter in real time according to a judgment result to obtain a corrected thermal coupling risk parameter; and according to the corrected thermal coupling risk parameter, gradually increasing the laser power of the laser to an effective clearing power interval so as to complete foreign matter clearing.

The invention discloses a method for synthesizing intercalated doped graphene at low temperature, which comprises the following steps: S1, providing a semiconductor substrate, forming a copper interconnection structure on the semiconductor substrate, and exposing the surface of the copper interconnection structure and the surface of an insulating medium surrounding the copper interconnection structure together; s2, annealing pretreatment is carried out on the semiconductor substrate, an oxide layer on the surface of the semiconductor substrate is removed, and a catalytic surface is exposed; s3, benzene / acetylene is used as mixed carbon source gas, Ar / H2 is used as auxiliary gas, reaction is carried out at the temperature of 300-400 DEG C, and a plurality of graphene layers selectively grow on the surface of the copper interconnection structure; and S4, performing post-intercalation doping treatment on the graphene layer to form an intercalation doping structure. Graphene selectively grows on the copper interconnection surface at low temperature through the benzene / acetylene mixed carbon source, photoetching or transferring is not needed, and damage to the device structure is avoided; the efficient and stable doping of the multilayer graphene is realized through the gas phase intercalation, the conductivity of the graphene layer is improved, and the reliability of the device is improved.

The application discloses a low-frequency loudspeaker unit power regulation method based on voice coil temperature rise prediction, comprising: obtaining the instantaneous amplitude sequence of an audio input signal and extracting audio signal features; obtaining electrical signal features, voice coil DC resistance and voice coil temperature time series data through a voltage detection circuit and a current detection circuit; constructing a voice coil temperature prediction model to predict the voice coil temperature in the current sampling period in an audio device; obtaining the instantaneous value sequence of back electromotive force, extracting positive and negative half-cycle asymmetry indicators and waveform distortion rate indicators; constructing a voice coil local overheating risk assessment model to judge the local overheating risk grade of the voice coil; using a power regulation strategy to dynamically regulate the power of the low-frequency loudspeaker unit and performing strategy optimization. The application can significantly improve the accuracy and timeliness of voice coil overheating risk identification, effectively avoid the thermal damage problem of the low-frequency loudspeaker unit under large-stroke working conditions, and ensure the stable operation and sound quality performance of the audio device under complex working conditions.

The invention belongs to the technical field of control of intense pulsed light therapeutic instruments, and particularly relates to a control method and system of an intense pulsed light therapeutic instrument based on a neural network model. The method comprises the steps that real-time state information of a to-be-processed skin area of a patient is collected; generating and applying a detection stimulation signal based on the real-time state information; monitoring a patient reaction to form reaction data and generating a state evaluation result based on the reaction data; generating a treatment signal input parameter based on the state evaluation result; outputting a treatment signal to the to-be-treated skin area according to the treatment signal input parameter, and collecting a treatment feedback result after treatment is completed; and updating the neural network model based on the treatment feedback result. According to the invention, a pre-treatment safety screening mechanism is established by applying the detection stimulation signal, the output duration of the treatment signal is dynamically controlled based on the reaction data, and then the neural network model is updated by using the treatment feedback result, so that the improvement of the treatment safety and accuracy and the adaptive optimization of the control method are realized.

The application discloses a kind of heart pacing device with full-automatic magnetic resonance compatibility function, belong to medical instrument technical field, comprising: magnetic field detection module, motion detection module, attitude detection module are respectively used to detect static magnetic field characteristics, motion characteristics and attitude characteristics;Perception detection module, acquisition includes cardiac electrophysiological signal and magnetic resonance interference signal perception signal sequence and carries out perception event identification and signal intensity analysis to determine perception event trigger signal and magnetic resonance scanning active characteristics;Digital signal processing module, based on all characteristics, multi-dimensional physical constraint cascade decision, full-automatic conversion to magnetic resonance mode and output trigger instruction;Charge pump and pacing output module, according to trigger instruction dynamic adjustment pacing pulse timing, based on charge pump adjustment pacing pulse energy, and pulse output path, to avoid rectification effect and direct current component accumulation risk, truly realize full-automatic magnetic resonance compatible safe physiological pacing.

The utility model relates to powder metallurgy equipment technical field, concretely to a kind of powder metallurgy pressing mould ejector rod structure for preventing green compact deformation, including base, the top of base is fixedly connected with mould, the die cavity bottom of mould is passed through and is equipped with several ejection grooves, the outer wall of connecting sleeve is fixedly connected with ejector rod main body, the end of ejector rod main body away from connecting sleeve is fixedly installed with buffer assembly, and the side of buffer assembly away from connecting sleeve is fixedly connected with ejection plate;Beneficial effects are that: after the ejection plate of the equipment setting contacts green compact, movable rod is retracted to the circular groove on buffer casing by reaction force, sliding in shaft cylinder is promoted, and cooperate with connecting hole, through-hole and air exchange hole pressure relief buffer, avoid directly rigid ejection to cause green compact deformation, simultaneously, air exchanged from air exchange hole is connected to sliding base by connecting hole and through-hole, sliding base is air-cooled and radiated, avoid sliding friction temperature rise in sliding groove to cause its thermal damage, prolong its service life.

According to the patterning annealing method for the trans-structure perovskite battery electrode, the patterning heat insulation sheet is used for applying the high temperature required by annealing to the main grid lines and the fine grid lines, and meanwhile, the perovskite functional layer area is maintained at the low temperature, so that thermal damage is avoided. According to the invention, selective annealing is realized through a physical mode of a light-transmitting area and a heat-insulating area, and the method is an electrode annealing solution which is efficient, uniform, low in cost and easy to integrate to a large-area production line. The annealing time identical to or even longer than that of traditional global annealing is allowed to be used, it is ensured that the silver electrode is fully sintered, the low-resistance, high-adhesive-force and compact electrode is obtained, the large-area xenon lamp is good in illumination uniformity, and the heat insulation sheet with precise positioning is combined; synchronous and uniform annealing of all grid lines of the whole cell can be realized, a high-temperature area is strictly limited in an electrode line fundamentally, the temperature rise of a perovskite layer below is extremely low (can be controlled below 50 DEG C), and the material thermal budget conflict is perfectly solved.

This invention discloses an all-solid-state white laser, belonging to the field of laser technology. The laser includes a pump source for generating pump light and a composite laser gain medium for receiving the pump light. The composite laser gain medium is composed of several laser crystals with a stepped distribution of pump light absorption coefficients and several nonlinear optical crystals arranged in a cross-bonded configuration. A first laser resonator, a second laser resonator, and a third laser resonator are formed by coating the laser crystals and nonlinear optical crystals respectively, enabling them to generate lasers of different wavelengths in the same direction under the action of focused pump light. The first laser output from the first laser resonator, the second laser output from the second laser resonator, and the third laser output from the third laser resonator are mixed in the same direction to generate white light, which is then output. This invention effectively improves the thermal effect inside the gain medium through relatively independent resonators, which is beneficial for obtaining high-quality, high-power white light output.

The invention relates to the photovoltaic field, and provides a photovoltaic cell preparation method, a sintering device, a photovoltaic cell and a photovoltaic module, the photovoltaic cell preparation method comprises the following steps: providing a cell substrate; preparing a copper paste layer on the surface of the cell substrate; performing first microwave treatment on the battery substrate, and heating the copper paste layer to a first temperature; performing second microwave treatment on the battery substrate, and heating the copper paste layer to a second temperature; the first temperature is lower than the second temperature; and the copper paste layer is subjected to electromagnetic treatment, and the copper paste layer forms an electrode, so that good ohmic contact and sintering cost are considered.

The present application relates to a kind of machining center chip flushing device, and it is related to the technical field of machining;The present application can solve the following problems existing in the process of machining in prior art:First, by setting rotating ball, flushing pipe and drive module, the angle of rotation of rotating ball is adjusted using drive module, the angle of flushing pipe on rotating ball jetting cutting fluid is adjusted, to adapt to the need in actual machining of different workpieces, prevent workpiece from blocking the contact of cutting fluid with workpiece interior and tool, prevent thermal damage of tool and workpiece, ensure processing quality and prolong tool life. Then, by clamping piece and fixing mechanism, it is convenient to replace rotating ball, corresponding rotating ball can be used for different size workpieces, the diameter of flushing pipe on rotating ball is different, different flow of cutting fluid is sprayed out, to prevent excessive cutting fluid from causing waste in the process of machining smaller workpiece, increase the manufacturing cost of workpiece.

This utility model discloses an RGB and TOF sensor module, including an RGB module and hexagonal studs. The RGB module has four sets of equally spaced hexagonal studs on its exterior, and a TOF module is mounted on the exterior of each hexagonal stud. Four sets of equally spaced first bolts are provided on the sidewalls of both the RGB and TOF modules. These first bolts pass through the RGB and TOF modules and are threadedly connected to the hexagonal studs. The sidewall of the RGB module has symmetrically arranged grooves, with threaded holes on both sides of each groove. This utility model not only enables convenient and sealed installation of RGB and TOF cameras using the RGB and TOF sensor module, improving the ease of sealed installation, but also facilitates efficient heat dissipation of heat-prone chips, reducing chip temperature, preventing high-temperature damage, and improving chip heat dissipation efficiency.

The invention discloses a new material accessory surface defect detection table for a new energy automobile, and the table comprises a detection table, the top surface of the detection table is provided with a limiting assembly, and the top surface of the detection table is provided with two supporting frames; the concave plate is fixed on the top surfaces of the two supporting frames; the rack is fixed at the bottom end in the concave plate; the groove plates are fixed to the front portion and the rear portion of the inner wall of the concave plate, and a sliding groove is formed in the top face of each groove plate; the sliding table is mounted on the top surface of the trough plate in a sliding manner; the servo motor is fixed to the top face of the sliding table, and an output shaft of the servo motor penetrates through the top face of the sliding table and is rotationally installed on the top face of the sliding table; the gear is fixed to the bottom face of an output shaft of the servo motor, and the outer wall of the gear is meshed with the front face of the rack; through the limitation of the guide rod, the shaking of the sliding table during movement is reduced, so that the problem of poor surface sinking effect of modeling detection accessories of the defect detection table caused by the shaking of the infrared light scanner and the camera is avoided.

The application relates to the field of radar technology and discloses an active ventilation cooling system and method for a radar antenna cover, which comprises a top ventilation opening, an antenna cover, an active ventilation cooling device and a fan controller, the top ventilation opening is located at the top end of the antenna cover and is used for natural ventilation and auxiliary heat dissipation, the antenna cover is designed as a cavity opening type semispherical shape to adapt to the installation and operation of a radar antenna, the active ventilation cooling device is arranged at the bottom end of the antenna cover and is used for air intake and air exhaust, and the fan controller is used for controlling the start and stop of the active ventilation cooling device. The active ventilation cooling system and method can solve the problem of poor heat dissipation of the radar antenna cover in a high-temperature environment, realize efficient heat dissipation, automatic control and all-weather operation.