38results about How to "Avoid heat dissipation" patented technology

The utility model provides a transformer-based heat dissipation shell, which relates to the technical field of transformer shells and comprises a shell, a shell cover is mounted on the upper surface of the shell, a mounting hole is formed in the surface of the shell cover in a penetrating manner, a heat dissipation fan is mounted in the mounting hole, and a plurality of heat dissipation fins are arranged on the surfaces of the two sides of the shell at equal intervals. The screw rod is driven to rotate through the output end of the servo motor, meanwhile, the screw rod is made to move in the middle of the screw rod in a threaded sleeve mode, meanwhile, the screw rod can move as a guide plate, the dust screen is arranged between the inner walls of the observation openings, and the dust screen is arranged between the inner walls of the observation openings. When the guide plate moves, the guide plate drives the connecting rod and the moving plate to move at the same time, and meanwhile, the scraping plate and the brush are attached to the surfaces of the heat dissipation fins and the dustproof net to slide, so that dust on the surfaces of the heat dissipation fins and the dustproof net is cleaned, and the heat dissipation efficiency is improved.

The invention relates to an adjustable computer heat dissipation device and a heat dissipation method.The adjustable computer heat dissipation device comprises a computer mainframe box, a heat dissipation module, an adjusting module and a controller, the heat dissipation module is fixedly connected with an installation assembly, the heat dissipation module comprises fan blades and cooling fins, the fan blades are electrically connected with a driving part, and the driving part is connected with the installation assembly; the adjusting module comprises a replacement plate, a heat dissipation cavity is formed in the replacement plate, a plurality of air flow pipelines are installed in the heat dissipation cavity, the outer side walls of the air flow pipelines are sleeved with deformable rings, energy storage cavities are formed between the air flow pipelines and the deformable rings, and through holes are formed in one ends of the air flow pipelines; the controller is in signal connection with a monitoring assembly, and the controller adjusts the power of the driving part according to real-time temperature data monitored by the monitoring assembly. Compared with the prior art, the detachable and adjustable design enables the heat dissipation equipment to easily adapt to computer mainframe boxes of different models and specifications, and the heat dissipation performance can be automatically adjusted according to temperature and wind speed data monitored in real time.

The invention discloses a handheld terminal self-heat-dissipation structure, and relates to the technical field of electric equipment shell parts. An infrared probe and a loudspeaker are installed on the front face of a main shell, the temperature of a fire scene can be monitored through infrared scanning collection, and when the temperature of an area in front of a firefighter reaches an early warning threshold value, the firefighter can be warned out. The circuit board is arranged in the heat insulation cabin box, an alarm is sent to firefighters through the loudspeaker, the firefighters are reminded to avoid a high-temperature dangerous area in time, the safety of the firefighters in the fire scene rescue process is improved, and the circuit board is sealed in a relatively independent space through the heat insulation cabin box. By means of conduction of a first C-shaped copper pipe, a second C-shaped copper pipe and low-boiling-point liquid filled in the heat insulation cabin box and active refrigeration and cooling of a semiconductor refrigeration piece, the temperature in the heat insulation cabin box can be prevented from being too high in an active refrigeration mode, and the purpose of cooling and heat dissipation in the heat insulation cabin box is achieved; and the operation stability of the device in an extremely high-temperature fire scene can be improved.

This invention relates to the field of ultra-high performance concrete (UHVPC) curing technology, and more particularly to an intelligent temperature-controlled curing method for UHVPC. The method includes the following steps: generating preliminary temperature-controlled curing data for concrete based on UHVPC mix proportion parameters and temperature-controlled curing requirements data; analyzing the distributed temperature field characteristics of the pouring nodes using UHVPC pouring node data to generate distributed temperature field characteristic data for the pouring nodes; analyzing the temperature evolution and hydration state of the pouring node temperature field based on the distributed temperature field characteristic data and the preliminary temperature-controlled curing data to generate temperature evolution and hydration regulation state data; and performing dynamic temperature-controlled curing analysis on the preliminary temperature-controlled curing data to generate dynamic temperature-controlled curing data for the concrete. This invention achieves intelligent temperature-controlled curing by combining the application of UHVPC.

The application discloses a handheld dust collector motor drive algorithm circuit heat dissipation integrated system and relates to the technical field of control systems.The system comprises a temperature acquisition module, an operating parameter acquisition module, a thermal distribution prediction module, an active thermal management control module and an adaptive adjustment module.The application combines multi-point temperature acquisition with a three-layer structure thermal distribution prediction model to comprehensively acquire the real-time thermal state of multiple key heating elements in the motor drive circuit, simultaneously considers the bidirectional heat conduction relationship between the elements, accurately calculates the net heat power of each element, and further generates a temperature prediction curve in a future time period.The method can comprehensively reflect the overall thermal distribution of the circuit, avoid the limitations caused by single-point detection, eliminate the influence of heat transfer between the elements on temperature prediction through heat conduction coupling calculation, realize early prediction of thermal risks, and provide reliable decision basis for active thermal management.

The automatic fire extinguishing equipment comprises a protective shell, a lithium battery body is connected to the interior of the protective shell, a heat dissipation sealing mechanism is arranged on the outer side of the protective shell, and a partition fire extinguishing mechanism is arranged on the inner side of the protective shell; the heat dissipation sealing mechanism is arranged on the outer side of the protective shell, and the connecting piece, the multiple sealing blades, the first supporting arm, the second supporting arm, the extending plate, the transmission piece and the adjusting rod are arranged in a series linkage mode, so that the first motor can synchronously adjust the opening or closing state of the multiple sealing blades when being controlled and driven; in the normal working process of the lithium battery body, efficient heat dissipation is achieved in cooperation with the ventilation pipe and the heat dissipation fan, the ventilation channel can be rapidly closed when temperature rises abnormally, external air is prevented from entering the protection shell, and the combustion condition is weakened from the environment level.

The invention relates to a high-voltage motor with a cooling circulation system, which is applied to the field of motor cooling, and comprises a machine body and a cooling circulation pump, the outer wall of the machine body is fixedly connected with a plurality of cooling plates, the plurality of cooling plates are fixedly connected, and connecting pipes are fixedly connected between the input end and the output end of the cooling circulation pump and the two cooling plates respectively. The two cooling plates connected with the two connecting pipes are adjacent, through holes are formed between the multiple cooling plates, and cooling fins are fixedly connected to one ends of the cooling plates. Through the arrangement of the central driver and the auxiliary cooling device, the position, with the too high temperature, of the machine body can be subjected to heat dissipation in a targeted mode in the working process; the water flow is prevented from affecting subsequent heat dissipation when passing through the position, with the too high temperature, of the machine body, the overall heat dissipation effect is improved, the auxiliary heat dissipation device can provide a better heat dissipation effect on the position, with the too high temperature, of the machine body through the arrangement of a transmission belt and other devices, and the overall heat dissipation effect of the machine body is improved again.

The utility model discloses a 3D uniform temperature plate with heat pipe connecting capillary ring, it includes lower cover, lower capillary structure layer, upper cover, upper capillary structure layer and heat pipe. The top surface of upper cover is provided with a plurality of mounting seats that are inverted funnel shape, the upper capillary structure layer is covered on each copper powder capillary ring of lower cover setting, and the upper capillary structure layer is formed with the upturned edge along the inner wall of mounting seat and extends upward, a plurality of heat pipes are correspondingly inserted in a plurality of mounting seats, and the heat pipe includes pipe body and pipe mouth, and the pipe mouth is attached and communicated with the mounting seat, and the heat pipe in the cavity of uniform temperature plate is formed with the capillary structure that extends from the pipe body to the pipe mouth. Among them, the heat pipe connecting capillary ring is still fixed in the mounting seat, the heat pipe connecting capillary ring is in abutment with the inner wall of pipe mouth, and the upturned edge is in abutment on the inner wall of mounting seat, which constitutes the stable connection of heat pipe and capillary structure in the cavity, and liquid medium can flow to the heat pipe connecting capillary ring under the guidance of the funnel-shaped contour of pipe mouth, and then return to the cavity through the upper capillary structure layer.

The utility model discloses a kind of electric energy converters of hydrogen fuel cell with heat dissipation structure, it is related to electric energy converter technical field, and include: converter housing, multiple heat dissipation air ducts are set in the both sides of converter housing;Heat dissipation device one, it is provided with two, and is respectively installed in the both sides of converter housing, two converter housings play the role of heat dissipation and mutual cleaning when starting simultaneously or respectively;Heat dissipation device two, it is installed on converter housing, and the airflow generated by heat dissipation device one is guided to accelerate heat dissipation;The utility model is installed in the both sides of converter housing by setting two heat dissipation device one, cooperate the heat dissipation air duct on converter housing to form convection airflow, can quickly bring out the heat in the inside of converter, simultaneously, two heat dissipation device one can realize the function of mutual cleaning by reverse operation, avoid heat dissipation device one jamming to affect heat dissipation.

The application discloses a mud generator torque control method and system, and belongs to the technical field of well drilling engineering. The method comprises the following steps: performing phase identification on three-phase alternating current output by a mud generator through a digital processor, generating a PWM driving signal based on phase information, controlling the conduction and shutdown of a power switch tube connected with a generator winding, adjusting the current of a generator stator winding, and completing the control of the output torque of the generator. The application performs phase identification on three-phase alternating current through a digital processor and generates a PWM driving signal, realizes accurate control of the output torque of the generator, directly adjusts the current of the stator winding, and avoids the heat dissipation and space problems caused by the traditional resistance dissipation mode.

This utility model discloses a multi-core battery, comprising: a casing with an opening; a cover plate disposed at one end of the opening, sealing the opening, the cover plate having a positive terminal, a negative terminal, and a sensor interface; a core assembly disposed within the casing, the core assembly having a positive tab and a negative tab connected to the positive terminal and the negative terminal respectively, the core assembly being composed of multiple connected cores; a temperature and pressure measuring device disposed between the cores; and a signal transmission module connected to the temperature and pressure measuring device through the sensor interface. The structure is simple and can accurately monitor the expansion force and temperature of the cores in real time.

This utility model discloses an installation structure for a weighing module of an oscillating feeder, belonging to the technical field of yeast production equipment. The installation structure includes an oscillating feeder and a weighing module. The oscillating feeder includes an oscillating table and a bottom support. The weighing module is fixed to the support via a detachable installation structure. The weighing module includes a sealed metal housing with sealant at the cable interfaces on both sides. A through-type inclined heat dissipation channel is provided on the housing. This utility model, through its dovetail groove and threaded rod installation structure, allows for horizontal sliding adjustment of the weighing module's installation position and angle, or equipment replacement, without the need for opening holes in the support. Lateral installation reduces water accumulation near the weighing module after cleaning, minimizing the impact of moisture on the module. The sealant at the cable interfaces isolates the inside and outside of the housing, preventing the entry of humid air and water, maintaining dryness inside the housing, ensuring stable weighing data, and reducing the frequency of circuit board repairs.

This utility model relates to an AI server rack for teaching and training. The rack has a first heat dissipation chamber and a second heat dissipation chamber on opposite sides. Multiple first cooling fans with air outlets facing inwards are distributed along the height direction in the first heat dissipation chamber. Multiple second cooling fans with air outlets facing outwards are distributed at corresponding height positions in the second heat dissipation chamber, forming a directional heat dissipation channel. Multiple temperature sensors are spaced along the height direction inside the rack to monitor the temperature at different heights in real time. A control module is electrically connected to the temperature sensors and cooling fans, and precisely adjusts the speed of the cooling fans at corresponding height positions based on the signals from the temperature sensors. This utility model achieves on-demand heat dissipation based on the heat differences in different height areas, improving heat dissipation efficiency, ensuring stable server operation, reducing energy consumption, extending server lifespan, and providing an efficient and reliable operating environment for AI servers.

The utility model provides a semiconductor structure. The semiconductor structure comprises a temporary substrate; the sapphire chip array comprises a plurality of pixel units, each pixel unit comprises an N bonding electrode, a P bonding electrode and a passivation layer, the N bonding electrode and the P bonding electrode are located on the pixel unit, the passivation layer wraps the pixel unit, and the N bonding electrode and the P bonding electrode are exposed out of the surface of the passivation layer. The problems of pixel electric leakage and poor heat dissipation caused by large offset degree when the sapphire and the silicon-based CMOS device substrate are aligned and bonded are solved.

Embodiments of the present application provide a shell assembly and a display terminal, and relate to the technical field of foldable display, which are used to alleviate the problem that the foldable display terminal is thick in the folded state and affects the holding feeling of the user. In the shell assembly, a part of the first door plate and a part of the second door plate and the first pivot mechanism away from the surface of the support surface are spliced into a first transition surface. A part of the first door plate and the first shell away from the surface of the support surface are spliced into a first surface. A part of the second door plate and the second shell away from the surface of the support surface are spliced into a second surface. The thickness of the second shell is different from that of the first shell, so as to reduce the thickness of the first shell or the second shell and improve the holding feeling of the user. In the flat state of the shell assembly, the first surface and the second surface have a height difference, the first transition surface connects the first surface and the second surface, and the first surface and the second surface with the height difference can be smoothly transitioned through the first transition surface.

The application relates to an annealing device and method of crystals, and belongs to the technical field of crystal production. The annealing device comprises: an annealing crucible for placing a plurality of crystals to be annealed, a graphite felt is coaxially arranged at the bottom of the annealing crucible, the plurality of crystals are coaxially placed on the graphite felt from bottom to top, and graphite blocks are arranged between adjacent crystals; a heat preservation layer arranged outside the annealing crucible; an induction coil for heating the annealing crucible; a liftable edge heat preservation sleeve coaxially arranged with the annealing crucible, which can extend into the interior of the annealing crucible to heat preserve the edges of the crystals; and a liftable center heat preservation column coaxially arranged with the annealing crucible, which can extend into the interior of the annealing crucible to heat preserve the center area of the crystals. The device and method can effectively realize the uniform temperature distribution of the crystals in each stage of the annealing process, greatly shorten the annealing time, improve the annealing efficiency and the quality of the crystals after annealing.

The utility model relates to generator set protection equipment technical field, concretely relates to a construction generator set shell with fire prevention function, including base, top cover and side wall coaming, the side wall coaming is fixed on the base, and the top cover is buckled and is connected with the top of side wall coaming, the side wall coaming adopts double -deck composite structure, including the metal protection board and fire -retardant lining that set gradually from outside to inside, the metal protection board surface is coated with high -temperature -resistant anticorrosive coating, and the back of fire -retardant lining is connected through buckle and metal protection board up and down sliding insertion, the metal protection board inboard is equipped with the flow guide rib that abuts with the back of fire -retardant lining, be equipped with the guide slot that is matched with the buckle shape on the flow guide rib, and form the ventilation interlayer between adjacent flow guide rib, the top cover is composed of the extension plate of triangle and the cover plate of top inclination, be equipped with the radiating window on the extension plate, the radiating window inside integrates multilayer fire -retardant metal net.

The invention discloses a battery pack heat dissipation method based on a phase change material and a heat dissipation pipe, and belongs to the technical field of battery packs, the battery pack comprises a shell and a plurality of battery packs arranged in the shell; the phase change material covers the outer part of the shell of the battery pack; the heat dissipation assembly is connected with the battery pack and is used for transferring heat of the battery pack to the outside; the control assembly is used for controlling the heat dissipation assembly to dissipate heat when the temperature of the battery pack reaches a preset range; the circulation loop comprises an internal channel and an external channel, and a built-in phase change material can be melted when the temperature of the battery rises, so that redundant heat is absorbed, and the temperature of the battery is reduced; the phase-change material is solidified, releases heat and keeps the temperature of the battery during cooling, so that the battery can reach a proper working temperature condition in a high-temperature or low-temperature working environment, a channel is arranged in the phase-change material, water in the internal channel is circulated by using a water pump, the heat of the phase-change material is reduced, then circulation is performed, and the cost is reduced.

The present invention relates to a fuel cell which sufficiently suppresses heat dissipation to the outside of a case and further improves power generation efficiency. A fuel cell system is provided with a fuel cell, a combustion unit, a plurality of heat exchange units, and a heat-insulating case that houses the fuel cell, the combustion unit, and the heat exchange units. Each of the plurality of heat exchange units has a low-temperature gas flow path through which a low-temperature gas, which is a fuel gas or an oxidant gas supplied to the fuel cell, flows, and a high-temperature gas flow path through which a high-temperature gas, which is an exhaust gas discharged from the fuel cell or a combustion exhaust gas discharged from the combustion unit, flows. And the low-temperature gas and the high-temperature gas are subjected to heat exchange. Furthermore, at least a fuel cell, a combustion unit, and a plurality of heat exchange units are disposed so as to sequentially form a temperature zone of a first layer, a second layer, and a third layer from the center of the internal space of the case toward the outside, the fuel cell being disposed in the first layer, the combustion unit being disposed in the first layer or the second layer, and the heat exchange units being disposed in the third layer. One or more heat exchange parts among the plurality of heat exchange parts are arranged in the second layer, and one or more other heat exchange parts among the plurality of heat exchange parts are arranged in the third layer.

The utility model relates to the technical field of mining light supplementing, disclose a kind of mining explosion-proof light supplementing device, including mounting bracket, the mounting bracket upper surface rotationally connected with rotating plate, the rotating plate upper surface is fixedly connected with U-shaped frame, the U-shaped frame inside rotationally connected with light supplementing lamp, the light supplementing lamp outer wall is fixedly connected with adjusting frame, the rotating plate upper surface one side is fixedly connected with arc groove plate, adjusting assembly is installed in the adjusting frame. In the utility model, by rotating adjusting bolt to make it away from limit bolt, then pull knob to make limit tooth disengage from click, the angle of light supplementing lamp in U-shaped frame can be adjusted, realize multi-angle adjustment. After loosening knob, limit tooth is re-engaged in click, the angle of adjusting frame is fixed, further fixed position by rotating adjusting bolt. By rotating plate adjustment overall mounting bracket, realize the left and right angle adjustment of light supplementing lamp, enhance the practicability of equipment.

The utility model discloses a heat dissipation type multilayer circuit board, and relates to the field of circuit boards. The multi-layer circuit board comprises a multi-layer circuit board body, a three-dimensional heat dissipation channel is arranged in the multi-layer circuit board body, the three-dimensional heat dissipation channel penetrates through the front surface and the rear surface of the multi-layer circuit board body and extends to the outer side, and a split type heat dissipation module is embedded in the three-dimensional heat dissipation channel. According to the utility model, the heat dissipation path is optimized through the three-dimensional heat dissipation channels in the multilayer circuit board body and the split-type heat dissipation modules, the three-dimensional heat dissipation channels are distributed in a regular hexagon honeycomb shape, and a heat conduction network is formed through interconnection of the micro heat conduction belts, so that the heat dissipation efficiency is improved, and the heat dissipation efficiency is improved. The uniformity of heat diffusion is improved; the two ends of a heat conduction ceramic column of the split type heat dissipation module protrude out of the surface of a plate body, and the heat conduction and convection efficiency is enhanced by combining a spiral heat dissipation fin set and an axial ventilation flow guide groove.

The present application relates to gear cutting processing technical field, concretely for a kind of for hydraulic power pincers gear processing hobbing machine, including cabinet, cabinet is fixedly connected with second electric slide rail, second electric slide rail is installed with electric rotary plate by electric slide block thereon, electric rotary plate is slidably connected with sliding tool rest, sliding tool rest is fixedly connected with fixed frame and third electric slide rail, the electric slide block of third electric slide rail is fixedly connected with sliding frame, fixed frame and sliding frame are rotatably connected with mounting shaft, two the mounting shaft between installation has cylindrical cutter, fixed frame and sliding frame are provided with mounting bracket, and mounting bracket is installed with strip cutter.The present application is connected at the both ends of cylindrical cutter by strip cutter, replaces the end of cylindrical cutter to work, avoids the problem that traditional cutter end is difficult to dissipate heat in reciprocating tool jumping process, so that cutter can work at higher speed, overall improves the processing efficiency of cutter.

The application discloses a rotating rectification mechanism for a brushless exciter, which comprises a rotating disc, and is characterized in that: the rotating disc comprises two mounting discs, a heat dissipation disc is arranged between the two mounting discs, a plurality of heat dissipation fins are arranged at the circumferential edge of the heat dissipation disc in a spaced manner, and the heat dissipation disc and the mounting discs are detachably connected through fixing members. The structure that the heat dissipation disc is clamped by the two mounting discs makes the rotating rectification mechanism more compact, facilitates dismounting and maintenance, and the detachable connection design between the heat dissipation disc and the mounting discs enables the heat dissipation disc to be quickly dismounted when maintenance is needed, without the need to dismount the whole rotating rectification mechanism, thereby greatly improving the maintenance efficiency.

The utility model discloses an electrode structure of an electronic cigarette atomizer in the technical field of electrode structures, which comprises an electrode structure main body, a heat dissipation assembly is arranged on the electrode structure main body, the heat dissipation assembly comprises a heat dissipation fan, one side of the heat dissipation fan is meshed and connected with a motor, one side of the motor is electrically connected with an electric wire, and the electric wire is electrically connected with the electrode structure main body. One end of the motor is detachably connected with the cross rod, then one side of the cooling fan is connected to a rotating shaft of the motor in a meshed mode, the two electric wires are electrically connected with the motor during use, the motor can rotate, the cooling fan is driven to rotate, the two electric wires penetrate through the center of the cross rod, and the cooling fan is driven to rotate. By means of the design, the cross-shaped rod can play a role in protection and limitation during use, the situation that wires are knotted and knotted by a cooling fan can be avoided, and then the multiple sets of blocking rods are installed in the area, close to the periphery, in the protection ring and can play a role in protection during use.

This utility model provides a welding device for steel scaffolding platforms, relating to the technical field of welding devices. The device includes a welding main unit with a handle fixedly connected to its top. Symmetrically distributed heat sinks are fixedly installed on both side walls of the welding main unit. A grounding cable and a welding torch cable are symmetrically arranged on one side wall of the welding main unit, both electrically connected to the internal circuitry. A control panel and adjustment knob are embedded in the front of the welding main unit, electrically connected to the control panel. A set of cable assemblies is also fixedly installed on each of the two outer side walls of the welding main unit. This utility model effectively solves the problem of storing the grounding cable and welding torch cable by installing cable assemblies on both sides of the welding main unit. The winding rod allows for orderly winding of the cables, preventing them from tangling and ensuring safety and neatness during use.

The utility model belongs to the technical field of regulators, and particularly relates to a gear increasing and reducing device for anchor chain production, which comprises a regulator, a heat dissipation cover is arranged outside the regulator, a heat dissipation fan is arranged inside the heat dissipation cover, and a filter screen is further arranged in the heat dissipation cover. The heat dissipation cover comprises an air inlet channel located on one side of the regulator, an exhaust channel located on the other side of the regulator and a rear cover located at the rear end of the regulator, a filter screen frame is arranged outside the filter screen, and the filter screen is installed in the air inlet channel through the filter screen frame; firstly, the heat dissipation covers are evenly distributed outside the regulator, the heat dissipation area and effect are increased while the attractiveness and compactness of the structure are guaranteed, meanwhile, the heat dissipation effect of embedded installation can be guaranteed, secondly, the movable intercepting plate is matched with the dustproof plate, it can be guaranteed that heat dissipation airflow is smooth, and the heat dissipation effect is good. And the interior of the regulator can be separated from the exterior when heat dissipation is not carried out, so that the protection performance is improved.

A connector assembly comprises two connector modules and a maintaining piece. Each connector module comprises a shell unit, the connector modules are arranged up and down, and the shell unit of each connector module comprises a plurality of plug-in channels arranged in one direction. The maintaining piece is arranged between the shell units of the two connector modules and located between the two sides, in the direction, of the shell units of the two connector modules, the maintaining piece comprises two limiting parts which abut against the shell units respectively, and the shell unit of the connector module located on the upper portion is prevented from buckling deformation, in other words, the maintaining piece is located between the shell units of the two connector modules. Through the arrangement of the maintaining piece, the correct size of the shell unit can be maintained, and the deformation risk caused by application is prevented.

This utility model discloses a light strip fixing tape with alignment function, belonging to the field of lighting equipment technology, used for fixing light strips. It includes a base film, a high-temperature resistant tape, several black and white adhesive strips, and a positioning film. The base film is a strip-shaped release film; the high-temperature resistant tape is a strip-shaped single-sided adhesive strip; the adhesive surface of the high-temperature resistant tape is attached to the base film; the black and white adhesive strips are block-shaped double-sided adhesive strips; one adhesive surface of the black and white adhesive strips is attached to the non-adhesive surface of the high-temperature resistant tape; several black and white adhesive strips are arranged in a row, corresponding one-to-one with the positions of the light strip's LED beads; the positioning film is a strip-shaped release film; the positioning film is attached to the other adhesive surface of the black adhesive strip; the side of the positioning film has positioning protrusions, which correspond to the LED bead gaps or LED bead positions in the light strip, i.e., the positioning protrusions are aligned or staggered with the black and white adhesive strips. This utility model can achieve precise alignment between the LED bead gaps and the black and white adhesive strips, avoiding the problem of overlap between the black and white adhesive strips and the LED bead areas.

The application relates to a self-adaptive heat dissipation type JP cabinet, in particular to the technical field of power distribution cabinets, which comprises an outer cabinet, an inner cabinet and a cabinet door, the surface of the outer cabinet is detachably connected with a fan frame, the fan frame is internally provided with heat dissipation fans; the surface of the outer cabinet is also detachably connected with waterproof parts, the waterproof parts are connected with air guide parts on the side close to the fan frame and the two parts are internally communicated; the air guide parts comprise a cover plate and two air guide plates, the opposite sides of the two air guide plates are provided with bimetal sheets which can be deformed and then approach each other, and the surface of the bimetal sheets is provided with pressure sensors connected with the heat dissipation fans. The application can realize self-adaptive heat dissipation, has good waterproof and dustproof effects and can reduce vibration.

This utility model relates to the field of classified cable fixing bracket technology, and more particularly to a classified cable fixing bracket, including a receiving base plate, a connecting mechanism, a connecting component on the top of the receiving base plate, an abutment component inside the connecting component, and a sorting component inside the abutment component. Through the sliding cooperation between the fixed slide rail in the sorting component and the classified cable tray, independent placement areas can be flexibly divided according to cable type and diameter, avoiding signal interference or poor heat dissipation problems caused by the mixing and tangling of different cables. The clamping structure composed of the top shell, sliding rod, abutment plate, and connecting spring can provide appropriate and continuous clamping force for cables of different specifications. Combined with the lateral limiting of the abutment block and the longitudinal locking of the buckle plate in the abutment component, it effectively prevents cables from loosening or shifting under vibration, thermal expansion and contraction, etc., significantly improving the standardization of cable laying and the stability of system operation.