103results about How to "Affect service life" patented technology

The invention relates to the technical field of semiconductor devices, and discloses a wide bandgap power semiconductor device and a preparation method thereof. The method comprises: providing a substrate layer of a first conductivity type; forming a first doped region which is deep into the substrate layer and comprises a plurality of doped layers which are sequentially nested from outside to inside, wherein the doping concentrations of the plurality of doped layers are sequentially increased from outside to inside; forming a second doped region in the doped layer on the innermost side of the first doped region; forming an isolation layer on the first surface; forming a control electrode on the isolation layer; forming a first electrode on the first surface; a second electrode is formed on the second surface of the substrate layer. According to the invention, the first doped region which is located between the substrate layer and the second doped region and has the doping concentration gradually increased from outside to inside is formed through a mode of multiple times of ion implantation, so that transverse electric field constraint is constructed, transverse depletion of a channel region and a short channel effect under the condition of large voltage are inhibited, the channel width is reduced, and the performance of the device is improved. And the device performance and reliability are improved.

The utility model discloses an efficient heat dissipation portable energy storage power supply structure, which comprises a mounting shell, the mounting shell comprises an upper cover, a bottom plate and side plates, the upper cover, the bottom plate and the side plates define a containing cavity, the side plates comprise two first side plates and two second side plates which are oppositely arranged, at least two heat dissipation fans are arranged in the containing cavity, and the heat dissipation fans are arranged in the containing cavity. The at least two cooling fans are oppositely arranged on the two second side plates; at least one ventilation opening communicated with the containing cavity is formed in any second side plate and directly faces the cooling fan, the cooling fan can guide external cold air into the containing cavity through the ventilation openings, and a cooling structure is arranged below one ventilation opening. Cold air enters the containing cavity from the heat dissipation structure close to the bottom plate and the ventilation opening in the same side and is exhausted from the ventilation opening in the other end after passing through the battery cell and other heating components, heat generated during equipment operation can be rapidly taken away, the situation that the performance and the service life of the battery cell are affected due to overheating is avoided, and the safety and stability of the portable energy storage power source are improved.

This invention provides a fast frequency closed-loop control method and system for an alkali metal atomic magnetometer laser, comprising: setting the laser current and laser temperature, calculating and obtaining the laser frequency closed-loop control signal SigX; and controlling the laser frequency based on the offset value of the frequency closed-loop control signal SigX and the correlation function f(I) = φ(I, SigX) between the current value and SigX. X The process involves calculating and obtaining the current adjustment value ΔI0, which is then directly applied to the laser current. The difference between the current adjustment value I1 and the set value I0 is calculated as ΔI1. Based on the correlation function f = φ(f(I), f(T)), the temperature change ΔT1 corresponding to the current change ΔI1 is calculated. This temperature adjustment ΔT1 is then applied to the laser temperature. By adjusting the laser temperature to T1, the laser current value is changed back from the adjustment value I1 to the initial set value I0. This invention addresses the problem in existing technologies where using laser current as a feedback signal for closed-loop control of laser frequency easily affects the laser's performance and consequently its lifespan.

The utility model belongs to the technical field of triangular gates, and discloses a triangular gate anti-collision plate which comprises a fixed plate body and a movable plate body which are arranged in parallel, elastic buffer rods which are evenly distributed are connected between the fixed plate body and the movable plate body, and a buffer strip is arranged at the position, close to the edge, of one side, close to the movable plate body, of the fixed plate body. Buffering assemblies arranged at equal intervals are arranged on the side, away from the fixed plate body, of the movable plate body, when a ship collides with the movable plate body, the movable plate body can move for buffering, impact force is buffered through elastic buffering rods, the elastic buffering rods can protect buffering springs, and the buffering effect is improved. The buffer springs are prevented from being corroded to affect the service life, when non-front-face collision occurs, the rotating cylinders can rotate to release force, buffering is conducted through deformation of the rotating cylinders and the fixing blocks, meanwhile, the movable plate body displaces, buffering is conducted through the elastic buffer rods, and the anti-collision effect can be greatly improved.

The utility model discloses an assembly type heat preservation partition wall which comprises a wall body, assembly grooves are formed in the front end face and the rear end face of the wall body, a pair of first locking grooves are formed in the side walls of the two sides of the wall body, and the first locking grooves are symmetrically distributed in the top ends and the bottom ends of the side walls of the wall body. A threaded groove is formed in the groove bottom of the first locking groove, a heat preservation assembly is installed in the assembling groove, the front end face and the rear end face of the wall body are each fixedly connected with a pair of clamping blocks, and protection plates are installed on the front side and the rear side of the wall body. According to the utility model, each part can be disassembled at will, the carrying is more convenient and faster, the sealing performance is good, external moisture or water vapor can be effectively prevented from permeating into the wall body through gaps and contacting with the heat-insulating layer to influence the heat-insulating effect and the service life, and the heat-insulating assembly can be protected; the heat preservation assembly is prevented from cracking, deforming or falling off after being subjected to external force such as negative air pressure or mechanical impact, and the service life of the heat preservation assembly is not affected.

A hidden drainage ditch system of a building curtain wall comprises a drainage ditch, a cover plate is installed on the drainage ditch, a water inlet is further formed in the upper portion of the drainage ditch, and the hidden drainage ditch system further comprises a filtering assembly arranged at the water inlet. The filtering assembly further comprises a primary filtering piece and a secondary filtering piece; the primary filter part comprises a barrier plate mounted at the water inlet, and a drainage gap for water flow to pass through is formed between the barrier plate and the water inlet; the secondary filtering piece comprises a filtering plate and a plurality of leakage holes formed in the filtering plate. According to the utility model, the blockage problem of the drainage ditch can be further relieved, and the maintenance intensity of the drainage system can be effectively reduced, so that the reliability and stability of the drainage system are enhanced.

The utility model discloses a brush DC motor, including the casing, the inside of casing is provided with heat abstractor, and heat abstractor includes the fixed cylinder of setting in the inside of casing, the side surface inner wall fixedly connected with brush DC motor body of fixed cylinder, and one end of brush DC motor body is fixedly connected with the output shaft, and the other end of output shaft extends to the outside of casing, and the circumferential side surface inner wall and the outer wall of casing are evenly provided with the through groove between, and the both sides inner wall of through groove is slidably connected with the heat conduction plate, and the bottom of heat conduction plate extends to the inside of fixed cylinder, the utility model discloses the heat conduction plate of setting, and brush DC motor body drives the output shaft rotation when working, and the fan blade is driven to rotate by output shaft, and the airflow is driven to flow by fan blade, and the airflow is flowed through heat conduction plate after entering the casing, and heat conduction plate conducts and radiates the heat of brush DC motor body to the airflow, makes the airflow carry heat and leave the device while insulating brush DC motor body.

This utility model relates to the technical field of pipette holders, and discloses a pipette holder including a base. A rotating rod is rotatably connected to the top of the base, and a rotating handle is fixedly connected to the top of the rotating rod. A fixed plate is fixedly connected to the outer top side of the rotating rod. Multiple guide blocks are fixedly connected inside the fixed plate, and protective sleeves are fixedly connected to the bottom of each guide block. A pipette assembly is disposed inside the protective sleeve. A rotating disk is fixedly connected to the bottom of the rotating rod, and multiple slots are formed inside the rotating disk. A fixed ring is fixedly connected to the inner right side of the base, and a sliding groove is formed on the inner bottom side of the fixed ring. With this utility model, users no longer need to search among numerous pipettes; they can quickly rotate the required pipette to a convenient position, greatly saving operation time and improving experimental efficiency.

The invention provides an excavator parking air conditioning system and a control method thereof, and belongs to the technical field of parking air conditioners, the excavator parking air conditioning system comprises a storage battery, a vehicle body control module BCM, a parking air conditioner and an external generator set, the vehicle body control module BCM, the parking air conditioner and the external generator set are connected with the storage battery in parallel, the body control module BCM is in communication connection with the parking air conditioner and the external generator set through a CAN bus. The air conditioner can be used without starting the engine in the parking process of the excavator, and power shortage of the storage battery cannot be caused, so that fuel consumption is reduced, and the service life of the storage battery is guaranteed.

The utility model relates to the technical field of extension driving equipment, in particular to an extension driving device of an electric driver, which comprises a driving rod connected to ground driving equipment and a control rod connected to an underground valve, and the bottom end of the driving rod is connected with a transmission rod through a universal joint. The end, away from the driving rod, of the transmission rod extends into the ground and is connected with a power output rod through a universal joint, and the bottom of the power output rod and the top of the control rod are fixedly installed. By means of the driving rod, the universal joint, the transmission rod and the power output rod, power of ground electrically-driven equipment can be transmitted to a control rod of an underground pipeline valve, extended driving of the electric driver is achieved, and the electric driver can be conveniently used in the underground space which is too small and can be used for driving the underground pipeline valve. And meanwhile, the overground electric driving equipment can be better protected, and the situation that the service life of the electric driver is affected by the underground humid environment is avoided.

The utility model discloses a transport case for well drilling bits, which belongs to the technical direction of well drilling bit transport and comprises a drill bit transport case, four groups of damping base plates are fixedly mounted on the periphery of the bottom of the drill bit transport case, and two groups of first placing grooves are arranged at two ends in the drill bit transport case. A second containing groove is formed in one side of the interior of the drill bit conveying box, a plurality of sets of ventilation holes are further formed in one side of the interior of the drill bit conveying box in an array mode, and through cooperative use of a drill bit conveying plate, a rubber buffer plate and an activated carbon dehumidification plate, anti-collision protection operation can be conducted on the two ends of the drill bit conveying box in the conveying process; according to the drilling bit transportation box, the situation that the drilling bit transportation box collides in the transportation process, and consequently the drilling bit transported in the drilling bit transportation box is damaged is avoided, meanwhile, dehumidification and damp-proof operation can be conducted on the drilling bit in the transportation process, and the drilling bit is prevented from being rusted in the transportation process; and dustproof protection operation can be carried out on the drilling bit in the dismounting process.

A siliconizing carbon / carbon tool for producing a carbon fiber reinforced ceramic-based cylinder material comprises a siliconizing furnace, a protective cover, an outer cooling cylinder, a motor bearing table, a part to be siliconized, a graphite rod, a cooling cylinder mounting nut, a cooling pipe, a graphite rod butt joint block, a driven chain wheel, a transmission chain, a driving motor, a driving chain wheel and a butt joint screw. The inner siliconizing groove is located in the middle, the silicon powder containing grooves are distributed in the side face of the inner siliconizing groove, the inner siliconizing groove and the silicon powder containing grooves are separated through the partition plate, gaseous silicon seepage holes are formed in the surface of the partition plate, and the gaseous silicon seepage holes, the inner siliconizing groove and the silicon powder containing grooves are communicated with one another. The side face of the siliconizing furnace is provided with two sets of graphite rod installation grooves and four sets of cooling cylinder installation screws, the two sets of graphite rod installation grooves are symmetrically arranged, and the cooling cylinder installation screws are located on the two sides of the graphite rod installation grooves.

The utility model discloses an RFID hand-held terminal for logistics, and specifically relates to the hand-held terminal technology field, the RFID hand-held terminal comprises a terminal main body, the top of the terminal main body is fixedly embedded with a touch display screen and an operation button, the bottom of the terminal main body is provided with a rectangular groove, the rectangular groove is internally hinged with a reader, and the reader is connected with the terminal main body. A handle is rotationally arranged on the side, away from the rectangular groove, of the bottom of the terminal body, the terminal body is sleeved with a protection assembly, and the protection assembly comprises a connecting plate. According to the utility model, the touch display screen and the operation buttons on the terminal main body are protected through the connecting plate and the protective plate, so that the touch display screen and the operation buttons are prevented from being collided and damaged to influence the service life when the terminal main body is held by hand, a reader on the terminal main body is convenient to use by holding the handle, and the reading of label information is realized; after the terminal is used, the logistics worker only needs to rotate the terminal body and move the terminal body into the protection plate again, the structure is simple, and use is very convenient.

The utility model relates to the technical field of intelligent closestool, especially to a kind of intelligent heating closestool, including closestool seat and closestool ring, closestool ring is movably arranged on closestool seat, electric heating wire is arranged in closestool ring, temperature is transmitted to the upper surface of closestool ring by heat transfer of electric heating wire, air hole, which is communicated with the inside of closestool ring, is opened in the side wall of closestool ring, waterproof air-permeable membrane of high temperature resistance is equipped on closestool ring, waterproof air-permeable membrane covers on air hole;The position of air hole on the side wall of closestool ring is also provided with waterproof flow guide structure, waterproof flow guide structure is communicated with outside and air hole, for guiding water flow away from air hole.The utility model discloses a kind of intelligent heating closestool, waterproof air-permeable membrane is set on the air hole of closestool ring, to form a water barrier, while guiding water flow away from air hole by waterproof flow guide structure, effectively prevent water droplet or water vapor from entering closestool ring by air hole, avoid affecting the performance and service life of electric heating wire.

The embodiment of the utility model provides a combined high-strength data communication server, and relates to the technical field of communication servers. Comprising a U-shaped plate, the two sides of the U-shaped plate are movably sleeved with two-way lead screws, the outer walls of the two-way lead screws are in threaded connection with threaded blocks, a telescopic frame is hinged to one sides of the two threaded blocks, a sliding block is hinged to one side of the telescopic frame, and the two threaded blocks and the sliding block are movably sleeved with a sliding groove. A top plate is movably mounted at the top end of a U-shaped plate, two threaded blocks perform threaded movement on the surface of a two-way screw rod by screwing the two-way screw rod, the movement of the threaded blocks pushes a telescopic frame to stretch and unfold, the telescopic frame also drives a sliding block to slide in a sliding groove, and a mounting plate is pushed to be movably embedded into a mounting groove by stretching and unfolding the telescopic frame. The top plate is fixed to the top end of the U-shaped plate, the stress area is increased through flexible screwing, installation firmness and stability are improved, and meanwhile later disassembly and maintenance work is facilitated.

The utility model relates to the technical field of electric vibration test stands, in particular to an elastic supporting structure for an electric vibration test stand. Comprising a horizontal sliding table, a supporting frame, a rotating shaft, a vibration table and an elastic auxiliary assembly. A supporting frame is arranged on one side of the horizontal sliding table, the supporting frame is connected with the vibration table through an arranged rotating shaft, and the elastic auxiliary assembly is arranged in the vibration table; a power amplifier is arranged on one side of the vibration table; the elastic auxiliary assembly arranged in the electric vibration test bed has a damping and buffering effect on the electric vibration test bed, the practicability of the device is improved, and the situation that the elasticity of the spring is gradually reduced along with the increase of the use time when the spring is used due to long-term vibration, so that the anti-seismic performance of the spring is gradually reduced is avoided; and the service life of the vibration test bench is prevented from being influenced.

The utility model relates to the technical field of automobile sunroofs, and discloses an integrated flow guide structure of an automobile sunroof decoration strip and a drainage groove, which comprises a sunroof flow guide frame. When the skylight is opened and closed, the skylight drives the skylight moving sliding block, the skylight moving sliding block slides along the skylight moving sliding block arranged on the skylight flow guide frame, and meanwhile the skylight moving sliding block drives the connecting block and the anti-blocking push rod to slide. In order to prevent the situation that the service life of the skylight moving sliding block and the service life of the limiting screw rod are affected due to the fact that the liquid in the U-shaped flow guide groove is excessively accumulated, the liquid in the U-shaped flow guide groove flows towards the drainage hole through the flow guide groove; therefore, liquid is prevented from being accumulated in the U-shaped flow guide groove, the service life of the limiting screw rod is prevented from being affected due to the fact that the water level is too high, and in each opening and closing process of the skylight, the anti-blocking push rod unblocks the liquid and foreign matter blocked in the U-shaped flow guide groove.

This utility model discloses a stainless steel cabin roof light, which includes a lighting assembly and an electrical box. The electrical box contains an arched screw mounting base for installing electrical components. The arched screw mounting base is welded inside the electrical box. The electrical box is made of stainless steel, which provides good heat dissipation. This utility model, by using a stainless steel electrical box and an arched screw mounting base, achieves enhanced heat dissipation and buffering performance of the cabin roof light.

This invention discloses a charging device, including a housing body, an end cap disposed at one end of the housing body, an electrical component located within the housing body, and a pin disposed on the end cap and electrically connected to the electrical component. The end cap includes a heat-conducting shell portion, a heat-spreading plate, and a heat-dissipating shell portion. The heat-spreading plate is located between the heat-conducting shell portion and the heat-dissipating shell portion, and is thermally conductively connected to both the heat-conducting shell portion and the heat-dissipating shell portion. The heat-conducting shell portion is disposed on the side of the heat-spreading plate closer to the electrical component. The heat-dissipating shell portion is disposed on the side of the heat-spreading plate away from the electrical component, and at least partially exposed to the outside. Heat is rapidly diffused on the heat-spreading plate and then conducted to the heat-dissipating shell portion, which can increase the effective cross-sectional area of ​​the heat flow path and reduce the diffusion thermal resistance of the heat flow path, thereby improving heat dissipation efficiency and effectively reducing the temperature of the charging device during use. This avoids the normal operation and service life of the electrical component due to excessively high temperature of the charging device, and also reduces the risk of burns during use.

The application discloses an artificial corner reflector for synthetic aperture radar interferometry calibration, and relates to the technical field of measurement and monitoring, and solves the technical problem that an existing corner reflector is not easy to adjust the angle after being fixed, and the technical scheme is as follows: the corner reflector comprises a corner reflecting plate, a vertical angle control device and a horizontal angle control device, the vertical angle control device has a movable part, the movable part of the vertical angle control device is connected with the corner reflecting plate, and is used for controlling the rotation angle of the corner reflecting plate in the vertical direction; the horizontal angle control device has a rotating part, the rotating part of the horizontal angle control device is connected with the vertical angle control device, and is used for controlling the rotation angle of the vertical angle control device in the horizontal direction, so as to control the rotation angle of the corner reflecting plate in the horizontal direction. The application can easily and accurately adjust the angles of the corner reflector in the horizontal and vertical directions, so as to satisfy the incidence of different satellite radar waves.

The invention discloses an argon recovery, dust removal and filtration treatment device for the welding industry, and relates to the technical field of argon recovery, the argon recovery, dust removal and filtration treatment device comprises a filtration protection mechanism and a recovery filter cartridge mounted on one side of the filtration protection mechanism, and an adjusting recovery mechanism is arranged on one side of the filtration protection mechanism; the filtering protection mechanism comprises a protection pipeline, first connecting pipes are fixedly installed at the two ends of the protection pipeline, a turning plate rotating shaft is rotationally connected into the protection pipeline, a pipeline turning plate is fixedly installed on the outer side of the turning plate rotating shaft, and a second connecting flange is fixedly installed at the end of the pipeline turning plate. Under the elastic force action of a hydraulic damping telescopic rod and a connecting spring, slow rotation of a turning plate rotating shaft and a pipeline turning plate is further achieved, and the phenomenon that the service life of a filter screen cylinder is affected due to the fact that the filter screen is impacted due to sudden increase of the internal pressure of the pipeline, and the phenomenon that the filter screen cylinder is broken or folded and collapsed is avoided.

The utility model discloses a kind of anti-blocking liquid chromatography systems, belong to liquid chromatography field, including the sampling flow channel connected with sample injector, for sucking sample;Extraction flow channel connected with blocking column, first chromatographic column and second chromatographic column, for conveying the first mobile phase after impurity removal of blocker grid sample, sample is conveyed to first chromatographic column and second chromatographic column and carries out the separation of effective component;Analysis flow channel connected with third chromatographic column;For separating and detecting captured substance;First multi-way valve, and selectively switched into first state and second state;Second multi-way valve, and selectively switched into third state and fourth state;Through the state switching cooperation of first multi-way valve and second multi-way valve, realize the sampling, extraction, analysis, cleaning function of liquid chromatography system, the utility model can effectively avoid chromatographic column absorb impurity particles in mobile phase and high retention material, greatly prolong the service life of chromatographic column.

The application provides a cable positioning and locking device for building electromechanical installation and cable transmission, and belongs to the technical field of building electromechanical installation. The technical scheme is that the device comprises a mounting plate, a control device is arranged on the front side of the outer surface of the mounting plate, and a clamping structure is arranged at one end of the control device. The application has the beneficial effects that the clamping structure and the control device cooperate to smoothly separate two cleaning rings, thereby facilitating the placement of the cable. By closing the two cleaning rings, good supporting effect can be achieved when the cable is being dragged. The cleaning ring and the guide overheating alarm structure can reduce the abrasion of the cable and avoid damage caused by cable breakage. The device cooperates with the clamping structure and the control device to facilitate the placement of the cable and achieve the locking effect of the cable, thereby ensuring the stability of the cable installation.

The utility model discloses a kind of cable wind rope intelligent automatic tensioning systems of large steel mould cast-in-place column, comprising: protective shell, combined cast-in-place column, the upper end four corners of the combined cast-in-place column are fixedly connected with fixed ring, the top four corners of the combined cast-in-place column are placed with cable wind rope, the upper and lower ends of the cable wind rope are installed with thimble, and upper end thimble is sleeved on fixed ring;Anchor rod mechanism, the middle of the thimble of bottom is sleeved with anchor rod mechanism, the middle of the cable wind rope is installed with intelligent controller, by being provided with intelligent controller, the tension, angle and environmental factor of cable wind rope are conveniently monitored, convenient control automatic tensioning mechanism, cable wind rope is tensioned and adjusted, by anchor rod mechanism, the device can be conveniently fixed with ground, to reinforce the stability of the device, by position protection mechanism, cable wind rope is positioned after being installed, and cable wind rope can be separated from combined cast-in-place column corner.

The utility model discloses an internal circulation structure of a low-nitrogen gas burner, which particularly relates to the field of burners and comprises a gas inlet pipe, one end of the gas inlet pipe is communicated with a flame tube, one end of the flame tube is communicated with an exhaust pipe, the bottom end of the exhaust pipe is communicated with a first conveying pipe, the bottom end of the first conveying pipe is communicated with a sucking pump, and one end of the sucking pump is provided with a mounting frame. An air supply port is formed in one side of the mounting frame, and a filter screen plate is mounted at the air supply port; a plurality of high-temperature-resistant filter bags are mounted in the mounting frame, one side of the mounting frame is communicated with a conveying pipe II, one end of the conveying pipe II is connected with a circulating pipe, and the circulating pipe is communicated with the air inlet pipe. When flue gas exhausted by the exhaust pipe is recycled, the flue gas needs to be primarily filtered by the filter screen plate in the mounting frame, and then dust is filtered by the high-temperature-resistant filter bag, so that impurities in the recycled flue gas are reduced, and the use effect and the service life of a flamethrower in the combustor are prevented from being influenced by the impurities.

This utility model discloses a mosquito-killing lamp, relating to the technical field of mosquito repellent devices. The mosquito-killing lamp includes a main housing, a rear housing, a first ultraviolet lamp plate, an outer lamp cover, a second ultraviolet lamp plate, and a flying insect trapping plate. The lower part of the main housing has a first cavity, and the bottom of the main housing has several heat dissipation inlets. The rear housing is detachably connected to the lower part of the main housing. The first ultraviolet lamp plate is installed at the top of the first cavity, and the main housing has several first heat dissipation outlets. The outer lamp cover is detachably connected to the top of the rear housing, and the top of the outer lamp cover has several second heat dissipation outlets, with light-transmitting holes on both sides. The second ultraviolet lamp plate is installed on both sides inside the outer lamp cover. The flying insect trapping plate is detachably connected to the upper part of the main housing, and the flying insect trapping plate has several transparent plates arranged on it and covered with a layer of adhesive. During use, the internal heat of this mosquito-killing lamp can be effectively dissipated, and the light flux and illuminated area can be effectively guaranteed.

The utility model relates to the technical field of linear motor air gap measurement, and discloses a linear motor air gap on-line measurement device, which comprises a base, a detection box is arranged at the top end of the base, and a mounting frame is mounted in the detection box. According to the linear motor air gap online measuring device, the placement frame, the moisture absorption particle bag and the weight sensor are arranged, the moisture absorption particle bag can absorb moisture in the base through the through hole, moisture absorption particles can become water after the moisture absorption particle bag absorbs the moisture, and the weight of the moisture absorption particle bag can be increased; a weight sensor at the bottom end of the moisture absorption particle bag can sense the change of the moisture absorption particle bag, an alarm can give an alarm to remind a worker to replace the moisture absorption particle bag in time after the moisture absorption particle bag reaches a certain weight, and moisture in the detection box can be adsorbed to prevent the moisture from affecting the service life of the measurement assembly; the problems that moisture in a detection box is inconvenient to process, and the measurement accuracy and the service life of an assembly are easily affected are solved.

This utility model relates to an electrical cabinet and its guide rail assembly, including a vertically arranged first support column, a vertically arranged second support column, and multiple horizontal guide rails. The first support column has a first ventilation channel inside, and each guide rail has a second ventilation channel running through it along its length. The second support column has a third ventilation channel. One end of the first ventilation channel has an air inlet structure, and one end of the third ventilation channel has an air outlet structure. Both ends of the guide rails are connected to the first and second support columns, respectively, and both ends of the second ventilation channels are connected to the first and third ventilation channels. Since the electrical components are mounted on the guide rails, the heat generated can be quickly transferred to the guide rails. This utility model, by setting a network of ventilation channels inside the guide rail assembly, allows a fan to transport cool external air into the ventilation network. The airflow carries away the heat from the guide rail assembly, thereby dissipating heat from the electrical components.

This utility model relates to the field of optical instrument manufacturing and precision testing technology, and discloses a lens dust removal device, including a body: a lens dust removal device body is fixedly installed on the top of the body, and a guide rail is fixed on the inner side of the body. This lens dust removal device removes dust from lenses through the lens dust removal device body on the top of the body. Through the setting of an adaptive clamping mechanism, it can clamp and fix lenses of different sizes, and can also adapt to and clamp irregularly shaped lenses, improving clamping stability and preventing lens displacement or damage during dust removal, which would affect the optical performance and service life of the lens. Furthermore, through the cooperation of the guide rail and the slider, the adaptive clamping mechanism and the lens can be moved horizontally, facilitating the lens dust removal device body to remove dust from different positions of the lens, thus improving the efficiency and effect of dust removal.

The utility model relates to vibrator technical field discloses a novel brick machine servo vibrator structure, including the casing, the two -way motor is fixedly connected in the casing, both sides output of two -way motor all are fixedly connected with the pivot, two the pivot tail end all are fixedly connected with eccentric block, the eccentric block outside is equipped with the end cover, two the end cover opposite sides all are set up with a plurality of air inlets, both sides of air inlet all are provided with fixed column, two fixed column adjacent sides all are set up with the limit slot, the limit slot is slidably connected with the connecting column, two connecting column between fixedly connected with the dust cover, in the utility model, eccentric block rotation will drive the surrounding air flow, make outside air inhale end cover inside. Cooperation heat dissipation hole, realize to the inside of end cover carries out heat dissipation, and through dust cover, can carry out the filtration to the impurity and dust in the air, avoid entering into end cover inside.