341results about How to "Quick export" patented technology

The utility model discloses a ventilation top cover structure of a box-type substation, and relates to the related technical field of box-type substations. The device comprises a bottom plate, triangular side plates, top plates, air outlet channels and a fan, the triangular side plates are fixed to the two opposite side edges of the upper end of the bottom plate, the top plates are fixed to the inclined faces, in the same inclination direction, of the two triangular side plates, and second air outlets distributed at equal intervals are formed in each top plate in a penetrating mode; air outlet channels are fixed to the portions, outside the second air outlets, of the inclined face of the top plate, symmetrically-distributed ventilation openings are vertically formed in the bottom plate in a penetrating mode, and an inclined draught fan is arranged above each ventilation opening. By arranging the top plate, the bottom plate, the triangular side plates, the air outlet I, the air outlet II, the ventilation opening, the fan, the filter screen I, the filter screen II and the air outlet channel, the box-type substation top cover solves the problems that the box-type substation top cover is not provided with a ventilation structure, the heat dissipation effect is poor, enough weather resistance is needed during ventilation on the top cover, and the heat insulation effect of the top cover is poor.

The invention discloses a large model KV cache rapid storage and import acceleration architecture, and relates to the field of FPGA. The architecture comprises a CPU, an accelerator, an FPGA, a memory, an external memory and a memory. In the query stage, the CPU determines a data query task according to the input lexical elements and controls the FPGA to start the data query task; the FPGA queries and imports model cache data into the memory according to the external memory; in the reasoning stage, the accelerator conducts reasoning and outputs a reasoning result based on the model cache data; and the FPGA reads the updated model cache data from the memory according to a control instruction of the CPU, and exports the updated model cache data to an external memory. According to the scheme, the KV Cache technology is used for reducing the number of times of reasoning repetition of a large model, the hash calculation, table lookup and query access technologies are used for enabling data to be more rapidly imported and exported, and the result output speed is further increased. Not only is the application scene widened, but also data backup and transfer are facilitated.

The invention discloses a laser resonant cavity capable of strengthening the heat dissipation performance of a gain medium and a heat dissipation method, and belongs to the field of laser optical-mechanical structure design. Comprising a laser sealing cavity and a gain medium welding part installed in the laser sealing cavity, and the gain medium welding part is fixed in the laser sealing cavity through a resonant cavity support. The resonant cavity support comprises a support body and a heat pipe assembly installed on the support body, the heat absorption end of the heat pipe assembly is connected with the gain medium welding part, and the heat dissipation end of the heat pipe assembly is connected with a shell of the laser sealing cavity through a heat transfer assembly. Heat generated by the gain medium welding part is sequentially transmitted to the heat transmission assembly and the shell through the heat pipe assembly, so that heat dissipation of the gain medium is completed. The problem that an existing small laser product is narrow in space and cannot dissipate heat in time is solved.

The invention discloses a discharging device for a PVC (polyvinyl chloride) pelletizer, and relates to the technical field of pelletizers, the discharging device comprises a connecting mounting port, under the cooperation of a dynamic uniform cooling assembly, the temperature of materials is effectively reduced, local supercooling or hot spots are avoided, uniform cooling and surface quality of discharged materials are ensured, efficient and uniform cooling of PVC particles is realized, and the service life of the PVC pelletizer is prolonged. The cooling effect is ensured, meanwhile, the problem of local supercooling or hot spots caused by a traditional cooling mode is solved, the discharging quality is remarkably improved, the problem that during large-batch discharging, air cooling cannot effectively cool all hard materials in time, and consequently materials poor in cooling can be accumulated and blocked at a discharging port is solved, and under cooperation of the uniform cooling assembly, the discharging quality is improved. The superconducting magnet alloy bearing plate can dynamically adjust the bearing angle according to the material falling speed under the action of the magnetic field generation regulator, and it is ensured that the stability and efficiency of the cooling effect can be maintained even in the continuous production process.

The invention provides a voice coil skeleton, a loudspeaker and an electronic device, the voice coil skeleton comprises sound absorbing particles, and the content of the sound absorbing particles is 85-95% based on the total weight of the voice coil skeleton being 100%. The voice coil framework provided by the invention is made of the sound-absorbing material, so that the weight of the voice coil framework is reduced, namely the vibration mass of the loudspeaker is reduced, and the proportion of the voice coil to the vibration mass of the loudspeaker is increased, thereby improving the overall efficiency and sensitivity of the loudspeaker; in addition, the sound-absorbing material has a large number of holes and pores, so that the heat in the voice coil structure can be quickly led out, and the heat dissipation of the loudspeaker can be improved.

The utility model relates to the technical field of motor coils, in particular to a permanent magnet direct drive hub motor stator coil, which comprises an annular stator iron core, a plurality of coil supports and coil windings, the coil supports are mounted on the stator iron core in a circumferential array manner, the coil windings are wound on the coil supports, and the coil supports are detachably mounted on the circumferential surface of the stator iron core. And a plurality of radiating fins are arranged on the side wall, far away from the coil bracket, of the stator core at equal intervals. By arranging the plurality of heat dissipation fins on the circumferential wall of the stator core and installing the plurality of coil supports on the stator core, heat can be rapidly conducted out, the heat dissipation effect is good, by arranging the slots and the check rings, the coil supports are inserted into the slots, the coil supports can be limited through the check rings, disassembly and assembly are convenient and rapid, and meanwhile, a cable can be conveniently limited.

The invention discloses a passive film type desorption cooling device for a solar cell panel, and relates to the technical field of solar cell panel cooling, the passive film type desorption cooling device comprises a photovoltaic cell panel, a porous film layer is arranged below the photovoltaic cell panel, and a solution storage layer is fixed at the top end of the porous film layer; in the daytime, the heat released by the photovoltaic cell panel is utilized to heat the solution in the solution storage layer, the solution is driven to desorb water and evaporate, a large amount of heat is taken away, the solar panel is efficiently cooled, and the working modes of cyclic utilization, daytime cooling and night circulation of the device are completed through the water absorption of the solution at night. According to the solar panel, the solar panel does not need extra energy consumption, the solution filling grooves distributed in an array are arranged, the solution is stored in the small compartments, and the porous film layer has a selective permeability function, so that good packaging and structural compactness of the solution are realized, and rapid conduction of heat of the solar panel is realized by utilizing high thermal conductivity of the solution; in addition, water is taken from air by adding the steam water storage layer, and the application scene of the photovoltaic cell panel is expanded.

The present invention belongs to the field of well logging technology, and relates to a liquid-cooled phase-change heat management device with a replaceable heat storage module for a well logging instrument, which is used for the thermal management of the well logging instrument chip, and includes an insulation bottle I, an insulation bottle quick connector, a pipeline quick connector, a heat storage module shell, a phase change material, a liquid cooling module, and an insulation bottle II; the insulation bottle I and the insulation bottle II are connected by an insulation bottle quick connector; the heat storage module shell is filled with a phase change material; the liquid cooling module includes a water-cooled pipe heat absorption section, a circulation pump, and a water-cooled pipe heat release section; the water-cooled pipe heat absorption section is arranged in the insulation bottle I, and is used to take out the heat generated by the chip of the well logging instrument; the water-cooled pipe heat release section is arranged in the heat storage module shell to exchange heat with the phase change material; the water-cooled pipe heat absorption section and the water-cooled pipe heat release section are connected by a pipeline quick connector; the circulation pump is used to drive the liquid cooling medium to circulate in the water-cooled pipe heat absorption section and the water-cooled pipe heat release section. The present invention can simultaneously solve the problem of high-temperature thermal failure of the well logging instrument and the need to operate again in a short time after the operation is completed.

The invention discloses a coffee bean grinding machine which comprises a bearing rack, positioning supports are fixedly connected to the two sides of the top of the bearing rack, a storage tank is fixedly connected between the two positioning supports, a feeding pipe is fixedly connected to the bottom end of the storage tank, a drying assembly is arranged in the storage tank, and the drying assembly is used for removing excessive water in coffee beans. A processing tank is fixedly connected to the middle of the bearing rack, the bottom end of the feeding pipe communicates with the processing tank, a refining assembly is arranged in the processing tank, and a blocking assembly is arranged at the bottom end of the bearing rack and used for blocking the bottom end of the processing tank. The drying assembly comprises a hollow shaft rod, a material turning plate, a heat supply cavity, an air outlet hole, a speed reduction bevel gear, an air making barrel and a conveying pipe. Through structural cooperation of the refining assembly, coffee beans can be pre-crushed, smashed and ground step by step, so that the specification of coffee powder is more uniform, and subsequent use is facilitated.

The utility model discloses a traction type motor home with a viewing platform, which comprises a motor home body, a hook is fixedly connected to the front side wall of the motor home body, a front fence is fixedly connected to the top of the motor home body, a rear motor home body is fixedly connected to the rear side wall of the motor home body, a rear fence is fixedly connected to the top of the rear motor home body, and the rear fence is fixedly connected to the rear side wall of the motor home body. A rear door is arranged on the rear side wall of the recreational vehicle body, a top window is arranged at the top of the rear recreational vehicle body, and stairs are fixedly arranged in the rear door. By arranging the touring car body, the front fence, the rear car body, the rear fence, the rear door, the transom window, the stairs, the inner fence, the stabilizing columns, the stabilizing plates, the electric hydraulic rods, the main beams, the side beams, the reinforcing rods and the ceiling, the fences and the ceiling are additionally arranged on the top of the touring car, the top of the touring car is reasonably utilized, the space utilization rate is increased, and a good high-position viewing platform can be provided for people; the ceiling can be unfolded and folded, and operation is easy and flexible.

The utility model discloses a stable anti-cracking aluminum profile which comprises an aluminum profile body, a hollowed-out groove is formed in the aluminum profile body, a heat conduction plate is arranged in the hollowed-out groove, cooling fins are arranged on the heat conduction plate, a center hole is formed in the center of the aluminum profile body, a round supporting piece is arranged on the inner wall of the center hole, and a plurality of through holes are formed in the center hole. Welding channels are formed in the four sides of the center hole, rectangular supporting pieces are arranged in the welding channels, and heat insulation strips are arranged in the circular supporting pieces; the combined type aluminum profile has the advantages that the heat dissipation plate, the heat dissipation fins and the aluminum profile body form the combined type aluminum profile, the heat dissipation area between the combined type aluminum profile and the air and the outside is increased through the high heat conductivity of the heat dissipation plate, heat can be rapidly conducted out when the aluminum profile makes contact with high temperature, and the situation that the aluminum profile cracks and deforms due to heat accumulation is avoided.

The invention relates to the technical field of nuclear fuel, and particularly discloses a cooperative flow control high-reliability fuel assembly which comprises a lower pipe seat, a framework and an upper pipe seat which are sequentially arranged in the flowing direction of a coolant, and a fuel rod, a guide pipe and an instrument pipe which are inserted into the framework, the lower tube seat is a low-outlet transverse flow down tube seat; a plurality of axially bent space through slender runners with the width smaller than the distance between the fuel rods are arranged on the lower tube seat connecting plate; and a peripheral flow channel area outlet of the space through slender flow channel, which is positioned at the periphery of the lower tube seat connecting plate, is higher than a middle flow channel area outlet in the middle of the lower tube seat connecting plate, so that outlet transverse flow between assemblies is reduced. According to the invention, collaborative innovation design is carried out on the whole fuel assembly, and the high thermotechnical safety margin of the fuel assembly is guaranteed.

The invention provides an aircraft wheel brake assembly which comprises an aircraft wheel assembly, a brake assembly and a brake assembly. The piston seat is located on the interface side of the airplane wheel assembly, and a plurality of pistons are arranged on the piston seat; the brake disc assembly is fixed in the airplane wheel assembly, the brake disc assembly comprises a pressing disc, a brake disc mechanism and a plurality of first heat dissipation pieces, the disc face of one side of the pressing disc is attached to the brake disc mechanism, the disc face of the other side of the pressing disc is opposite to the piston seat, and the first heat dissipation pieces are arranged on the first heat dissipation pieces. The first heat dissipation piece is fixed to the other side disc face of the pressing disc and located between the adjacent pistons, and the first heat dissipation piece comprises a plurality of cooling fins extending out in the direction opposite to the side disc face of the pressing disc. According to the airplane wheel brake assembly, the heat dissipation effect of the airplane wheel brake device can be effectively improved.

The utility model relates to the technical field of hydrogen purification, and discloses an automatic purification device for hydrogen preparation, which comprises an adsorption purification tower, one side of the adsorption purification tower is uniformly and fixedly connected with an access hole in a penetrating manner, the inner part of the adsorption purification tower is uniformly and fixedly connected with a lower fixed seat, and the top end of the lower fixed seat is provided with a cloth cover; the bottom end of the cloth cover is obliquely and fixedly connected with a discharging pipe, the inner surface of the adsorption purification tower above the lower fixing seat is correspondingly and fixedly connected with an upper fixing seat, the top end of the upper fixing seat is fixedly connected with a filter cone, the bottom end of the filter cone is slidably connected with a filter cylinder, the bottom end of the filter cylinder is hinged with a filter cover, and the interior of the adsorption purification tower above the filter cone is slidably connected with a filter screen. According to the utility model, adsorbent materials or chippings can be received through the cloth cover, so that the adsorbent materials can be quickly guided out, the trouble of cleaning the adsorbent materials and subsequently cleaning the chippings is reduced, and great convenience is brought to replacement and addition of the adsorbent materials.

The invention discloses an automobile air conditioner condenser with a rapid drainage structure and a using method thereof, relates to the technical field of air conditioner condensers, and aims to solve the problems that most circulation pipelines in existing condensers are zigzag pipelines, so that the liquefaction heat dissipation effect is improved, but the zigzag pipelines influence the guide-out of liquefied liquid, so that the circulation is blocked, and the heat dissipation effect is poor. The refrigerant is concentrated at the bottom of the inner wall of the communicating pipe after being condensed and liquefied in the communicating pipe through the communicating pipe obliquely arranged between the side communicating pipes, and the liquefied refrigerant is quickly guided into the side communicating pipes at the inclination angle by utilizing the downward inclination of one end, far away from the liquid inlet connector, of the communicating pipe; the liquefied refrigerant is matched with the internal pressure through the gravity of the refrigerant, so that the refrigerant liquid is quickly guided out of the condenser, and the situation that the liquid is accumulated in a condenser pipeline, and flowing of the liquid in an automobile air conditioning system is affected is avoided.

The utility model relates to battery pack heat preservation technical field, concretely is a kind of structure of improving the heat preservation performance of battery pack upper cover, including upper cover body, the inner surface of upper cover body is equipped with the honeycomb cavity of uniform distribution, the honeycomb cavity is filled with aerogel particles, the outside of honeycomb cavity is equipped with the heat insulation layer of integration with upper cover body, the heat insulation layer is inlaid with multiple heat-conducting fibre bundles;The outer surface of upper cover body is equipped with several micropore array, and the micropore array is filled with graphene coating.The utility model can significantly improve the heat preservation effect of battery pack under low temperature environment, simultaneously under high temperature condition, the excess heat generated by battery module is quickly exported, and heat accumulation is avoided.

The utility model relates to a battery shell, a single battery, a battery pack and a vehicle, the battery shell is a box body with an opening at the top, at least one side surface of the box body is provided with a concave area which is concave towards the inside of the box body, and the outer surface of the side surface where the concave area is located is divided into at least two convex areas by the concave area; or at least one part of the convex area is positioned on the inner side of the concave area. According to the utility model, not only is the rigidity of the shell improved, but also the stress of the whole shell is more uniform, and the peripheral edge of the shell can be prevented from being deformed.

The present invention relates to the field of nuclear fuel technology, and specifically discloses a high-reliability fuel assembly with coordinated flow control, including a lower tube seat, a skeleton, an upper tube seat, and fuel rods, guide tubes, and instrument tubes inserted into the skeleton, which are sequentially arranged along the flow direction of the coolant; the lower tube seat is a low-outlet lateral flow lower tube seat; on the lower tube seat connecting plate, there are a number of space-through slender flow channels with a width less than the fuel rod spacing and axial bending; the outlets of the surrounding flow channel areas of the space-through slender flow channels located on the outer periphery of the lower tube seat connecting plate are higher than the outlets of the middle flow channel areas located in the middle of the lower tube seat connecting plate, so as to reduce the lateral flow of the outlets between assemblies. The present invention carries out a coordinated and innovative design of the fuel assembly as a whole, and ensures a high thermal safety margin of the fuel assembly.

The present invention relates to a method (500) comprising: performing (510) an experiment as a series of chromatography runs, where the series of chromatography runs comprises at least two chromatography runs using different operating modes; recording (520) retention behavior data for at least one target molecule for each of the chromatographic runs, wherein the retention behavior data is indicative of at least a measured elution point (M-POE) and a property of the measured elution point (M-POEi); generating (530) at least one computational grid (MTX) in at least one dimension, wherein a breadth of the grid indicates a maximum range between a start point (SP) of the experiment and an end point (EP) of the experiment; selecting (540) a sorption model from a set of predetermined sorption models, the sorption model having initial candidate values of sorption model parameters; calculating partition coefficient values for all points in the computational grid using the selected adsorption model (550); calculating an integral (560) of the function dividing the coefficient values on at least two paths in the computational grid (MTX) to obtain a property (C-POEi) of the calculated elution point; calculating (570) a polymerization distance metric (D) from the calculated property of the elution point (C-POEi) to a corresponding experimental reference value of the measured property of the elution point (M-POEi); selecting (580) a new candidate value of the adsorption model parameter; repeating (590) the steps of calculating (550) the partition, calculating the integral (560), calculating the distance metric (570) and selecting (580) the new candidate value until the aggregated distance metric (D) is minimum; and determining a parameter 595 of the adsorption model using the selection value of the adsorption model parameter that minimizes the aggregation distance metric (D).

The utility model provides an anti-sweating sweat guide sports bra which comprises a front chest piece, a back piece, a chicken heart cutting piece and a lower hem, and the front chest piece and the back piece form a sports bra main body structure; the chicken-heart cutting piece is arranged at the chicken-heart position of the front chest piece, and the lower hem is arranged below the front chest piece and the back piece; the chicken-heart cutting piece is attached to the inner layer of the front chest piece and has moisture absorption and expansion performance, and concave-convex vertical strips are further arranged on the chicken-heart cutting piece; and concave-convex vertical strips are arranged on the lower hem. The fabric has the advantages that sweat can be quickly absorbed and led out to the surface of the fabric, and the outer extinction layer has the functions of sweat trace prevention, cup penetration prevention, ultraviolet resistance and the like; the chicken heart cutting piece can intelligently absorb moisture and expand according to the environment humidity, so that the concave-convex vertical strips on the chicken heart cutting piece are attached to the skin at the chicken heart to guide sweat, the lower hem of the bra is made of the warp knitting cloth with the concave-convex vertical strip anti-skid and sweat-guiding functions, and a large amount of sweat gathered on the chicken heart and the lower hem can be guided out more quickly; and the problems of stuffy sweating at the heart and easy slippage of the lower hem caused by excessive sweat are prevented.

The utility model discloses an anti -oxidation corrosion boiler coil pipe, including fixed guide rail, the one side of fixed guide rail has and inserts the installation sliding block, the one side of fixed guide rail inner chamber has set up the sliding cavity of equal interval distribution, the inner chamber sliding of sliding cavity is installed with the locating pin, one end of locating pin is fixedly connected with the spring, one end of spring is fixedly connected in the sliding cavity inner wall, the one side of installation sliding block is set up with the locating slot of locating pin adaptation of fixed guide rail inside both ends all are seted up and are limited the slot, the utility model discloses the structure design of setting up guide rail straight up and down, when the maintenance of dismounting coil pipe, unlocking locking structure, can under the guidance of slide rail quick completion coil pipe's dismounting work to the speed of coil pipe's dismounting is accelerated, improves the dismounting maintenance efficiency of coil pipe, provides the convenient for user's dismounting maintenance work.

The invention provides a central control wire harness rubber protection assembly, and relates to the technical field of central control wire harness protection. A connecting mechanism is fixedly arranged on the outer side of each rubber shell, a locking device is fixedly arranged on the outer side of each rubber shell, and a sealing device is arranged between the two sets of rubber shells. A heat dissipation device is fixedly arranged in the rubber shell, a connecting device is fixedly arranged at the bottom of a locking device, an adjusting mechanism is fixedly arranged on the inner side of the connecting device, and a joining mechanism, the locking device, the adjusting mechanism and the connecting device are arranged; the rubber shell can be simply and conveniently spliced and installed, and the phenomenon that the rubber protection assembly is inconvenient to sleeve the outer side of the cable due to the fact that the wire harness connector is larger than the outer diameter of the cable is avoided; and the wire harness can be supported according to the angle of the wire harness. The problems that during use, splicing is not convenient, and a rubber protection assembly is generally not provided with a supporting structure are solved.

The utility model discloses an impurity removal device for composite fiber processing, which comprises a shell, a discharge pipe is arranged at the bottom of the shell, an unloading assembly is arranged on the inner wall of the discharge pipe, the unloading assembly comprises a first threaded cylinder, a first driving bevel gear and a second driving bevel gear, a second threaded cylinder is rotatably mounted at the bottom end of the first threaded cylinder, a first threaded rod is mounted on the inner wall of the first threaded cylinder in a threaded mode, a filter screen is rotatably mounted at one end of the first threaded rod, and a first transmission bevel gear is fixedly mounted on the outer wall of the first threaded cylinder; a second threaded rod is installed on the inner wall of the second threaded cylinder in a threaded mode, a sealing plate is rotatably installed at one end of the second threaded rod, and a second transmission bevel gear is fixedly installed on the outer wall of the second threaded cylinder. Through the structure, the impurity removal operation procedures are effectively reduced, the impurity removal operation steps are simplified, and the impurity removal efficiency is improved.

The utility model relates to lighting technical field, and disclose a rotatable LED lamps and lanterns, including shell subassembly, shell subassembly both ends are provided with rotation adjusting assembly, shell subassembly is provided with lighting assembly in, shell subassembly front end is provided with lamp shade, shell subassembly includes lamp house, lamp house is aluminium alloy shell and front end opening, utilize aluminium alloy good heat conductivity auxiliary heat dissipation, lamp shade fixed clamping in lamp house's front end opening department. The utility model discloses setting rotation adjusting assembly, utilize the handle to drive the rotation of the pivot axle body, thereby adjust the lighting angle of lamp house and lighting assembly, after adjusting, tighten the fastening nut, can the connecting screw rod be fixed in the arc -shaped groove, and then stabilize the lighting angle and fix, convenient operation and good fixed effect, solved the existing lamps and lanterns lighting angle inconvenient adjustment, the problem that fixed easy deviation.

The present invention belongs to the technical field of hydraulic equipment, and in particular, relates to a plastic part injection molding equipment, including a workbench, a motor is fixed on the workbench, the driving end of the motor is fixedly connected to a bottom plate, a fixed mold is fixedly arranged on the bottom plate, and the outer wall of the fixed mold is fixedly connected to a fixed plate; a plastic part injection molding process, including the following steps: raw material pumping, cooling water flowing in to cool and shape the plastic part, vibration demolding, and water reflux. In the present invention, the water body automatically flows from a high position to a low position, absorbs the heat in the fixed mold, and makes the plastic part cool and shape quickly, and the cooling process can be accelerated by replacing the heat conductive network. After the plastic part is shaped, the push plate is brought into contact with the knocking rod through the rotation of the bottom plate, so that the knocking rod moves to knock the fixed mold, generating vibration, and accelerating the separation of the plastic part from the inner wall of the fixed mold. At the same time, after the bottom plate is flipped, the cooling water can automatically flow back to the water tank, no longer relying on equipment, and reducing energy consumption.

The invention discloses a high-stability rectifier bridge module assembly process. The high-stability rectifier bridge module assembly process comprises the following steps: step 1, preparing components; 2, fixing the electrode and the heat dissipation substrate; step 3, mounting an insulating part; 4, arranging and connecting the diodes; step 5, coating of a sealing coating; step 6, performing surface treatment on the heat dissipation substrate; 7, assembling and fixing the frame; the silicon nitride-based composite material is adopted as the heat dissipation substrate, compared with a traditional metal cooling fin, the heat conductivity and the insulation performance of the material are excellent, heat can be rapidly conducted in high-power operation, local overheating is prevented, and the high-temperature resistance of the module is improved; the heat dissipation substrate composite material can quickly lead out internal heat, the service life of the module is effectively prolonged, it is ensured that the module stably works in a high-temperature environment, and the shock resistance of the module is remarkably improved through the design of a double-layer buffering structure.

The invention relates to the technical field of thermal transfer carbon ribbons, and discloses a high-efficiency thermal transfer carbon ribbon back coating adhesive and a preparation method thereof. Tetrakis(hydroxymethyl)phosphonium chloride, vinyl trichlorosilane and 2,5-bis(trifluoromethyl)terephthalic acid are used as raw materials to synthesize a diene fluorine-containing caged siloxane monomer, and the monomer is polymerized with pentaerythritol tetraacrylate to form a cross-linked organic silicon acrylic copolymer with a hyperbranched cross-linked network structure, which replaces a traditional organic silicon resin mixture. The copolymer is diluted with a single solvent toluene to avoid the use of a multi-component mixed solvent, greatly reduces VOC emissions, and can be recycled. The carbon ribbon back coating adhesive prepared by the invention has good heat resistance and wear resistance, smooth printing, good bonding performance, can enhance heat conduction and lubrication in a printing process, effectively eliminates the risk of static electricity generated in an actual application process, has a good flame retardant effect, and avoids safety hazards.

The utility model discloses a new energy battery pack cooling structure, which relates to the field of battery pack cooling and heat dissipation, and comprises a bottom plate and a battery pack, the upper end of the bottom plate is fixedly connected with a cooling plate, the battery pack is arranged at the upper end of the cooling plate, and the right side of the battery pack is provided with a liquid cooling mechanism. Heat conducting plates are fixedly connected to the four side faces of the battery pack, a plurality of sets of cooling fins are fixedly connected to the outer sides of the four heat conducting plates, first fans are arranged on the lower sides of the cooling fins on the left side and the right side, and second fans are arranged at the lower ends of the cooling fins on the front side and the rear side. According to the battery pack heat dissipation device, working heat of the battery pack can be quickly conducted out, meanwhile, heat dissipation treatment is conducted on the heat dissipation fins through the fan, the heat dissipation efficiency of the heat conduction plate and the heat dissipation fins is improved, and meanwhile, after cold air with the low temperature moves upwards along with the fan and makes contact with the heat dissipation fins, the heat dissipation efficiency of the heat dissipation fins is further improved.

The invention discloses an IGBT packaging material dielectric property and thermal resistance linkage testing device, which relates to the technical field of packaging material testing, is used for carrying out performance evaluation on an IGBT packaging material in intelligent power distribution switch control equipment, and comprises a testing box, the inner wall of the testing box is covered with a thermal insulation layer, the front surface of the testing box is provided with a testing cavity, and the testing cavity is provided with a thermal resistance test cavity. And a lower heat conduction base is arranged at the bottom of the test cavity. The temperature field and heat flow state of a packaging material sample can be actively and accurately controlled, the working temperature rise and heat dissipation conditions of a real IGBT module are simulated, meanwhile, the lower electrode plate and the upper electrode plate directly make contact with the sample and are connected to the broadband dielectric impedance spectrometer, and therefore the temperature rise and heat dissipation conditions of the IGBT module can be simulated while controllable thermal excitation is applied. Dielectric spectrum characteristics of a material can be measured in situ in real time, the temperature sensor directly monitors the temperature of a sample interface, and then thermal resistance testing and broadband dielectric property testing can be dynamically evaluated in the same sample, the same time and the same controlled thermal environment.