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281results about How to "Reduce blocking" patented technology

Agricultural solid waste contaminated soil remediation device

The invention discloses an agricultural solid waste contaminated soil remediation device, and relates to the field of soil remediation, the agricultural solid waste contaminated soil remediation device comprises a base plate, a storage box and a first liquid outlet pipe, the bottom of the base plate is fixedly connected with four electric wheels, the upper portion of the base plate is fixedly connected with a handheld handrail, the storage box is fixedly connected to the upper portion of the base plate, and the first liquid outlet pipe is fixedly connected to the base plate; the upper end of the first liquid outlet pipe penetrates through the base plate to communicate with the storage box, the bottom of the base plate is fixedly connected with a first extension plate, and the first extension plate is fixedly connected with a first motor. According to the device, soil on the filter plate is vibrated, so that the soil leaks out of filter holes in the filter plate, and building concrete stones larger than the filter holes cannot fall off; and the concrete stones embedded in the soil can be effectively removed, and the blocking of the stones can be reduced during the subsequent injection of the repairing liquid, so that the repairing liquid can be fully permeated into the soil.
Owner:CHANGCHUN VOCATIONAL INST OF TECH

Fishpond drum filter with automatic filter cotton cleaning structure

The invention relates to the technical field of water filtration, in particular to a fishpond drum filter with an automatic filter cotton cleaning structure. Comprising a shell, the shell is fixedly connected with a circulation shell, the shell is rotationally connected with a filter cylinder, the filter cylinder is fixedly connected with a gear ring, the shell is fixedly connected with a first motor, an output shaft of the first motor is fixedly connected with a first rotary table, and the shell is rotationally connected with a rotary shaft in a penetrating mode; the rotating shaft is fixedly connected with a gear meshed with the gear ring, the rotating shaft is provided with a first rotating disc, the circulation shell is slidably connected with filter cotton distributed in a mirror image mode, the circulation shell is fixedly connected with a detection pipe distributed in a mirror image mode, and the two ends of the detection pipe are slidably connected with a buoy and a switching rod in a sealed mode respectively. By detecting the blocking state of the filter cotton, the two pieces of filter cotton are automatically switched to operate, the filter cotton is replaced in a non-stop state, and the situations that the filter cotton is replaced in a stop state, a large amount of time is wasted, and the filtering efficiency of water in a fishpond is reduced are avoided.
Owner:TAI ZHOU TENG DA CONSTR ENG MACHINERY

Laser wireless energy and signal synchronous transmission system for rotary motion mechanism

The invention relates to a laser wireless energy and signal synchronous transmission system, in particular to a laser wireless energy and signal synchronous transmission system for a rotary motion mechanism, which is used for solving the defect that the existing SLWPIT technology still has more limitations in the application of a rotary mechanism although the existing SLWPIT technology meets the requirement of long-distance transmission to a certain extent. The laser wireless energy and signal synchronous transmission system for the rotary motion mechanism comprises a stator part and a rotor part, and considers that an all-optical link realizes laser wireless energy and signal synchronous transmission in a rotary state from the system level, so that stable energy transmission efficiency can be kept in the rotary state; the system has good anti-electromagnetic interference capability and strong environmental adaptability.
Owner:XIAN INST OF OPTICS & PRECISION MECHANICS CHINESE ACAD OF SCI

Gas-solid fluidized bed reactor and method for photo-thermal coupling catalysis of CO2 reduction

The invention provides a gas-solid fluidized bed reactor and method for photo-thermal coupling catalysis of CO2 reduction. The gas-solid fluidized bed reactor comprises a reactor main body, a gas inlet base and a heating part, a reaction cavity in the reactor main body is an inverted circular truncated cone-shaped cavity, and a quartz light window is arranged at the top of the reaction cavity; a columnar gas channel is arranged in the gas inlet base; the bottom of the reactor main body is connected with the top of the air inlet base, and a porous sieve plate is arranged between the reactor main body and the air inlet base; the bottom of the inverted circular truncated cone-shaped cavity is communicated with the top of the columnar gas channel through a porous sieve plate; the heating part is used for providing heat for the reactor main body and the air inlet base. According to the photo-thermal reactor, light blocking caused by catalyst accumulation of a traditional photo-thermal reactor is reduced, the contact area of reactant gas and the catalyst is effectively increased, and the efficiency of the catalyst is fully exerted.
Owner:XI AN JIAOTONG UNIV

Semiconductor laser element and light-emitting device

The invention provides a semiconductor laser element and a light-emitting device. An electron blocking layer is arranged between a second coating layer and a second waveguide layer of the semiconductor laser element; the second semiconductor layer is doped with a P-type dopant, the P-type dopant in the electron blocking layer has at least one doping concentration peak, the doping concentration of Mg at the doping concentration peak is smaller than the maximum doping concentration of the P-type dopant in the second semiconductor layer, and the P-type dopant in the electron blocking layer gradually approaches the direction of the electron blocking layer. The doping concentration of the P-type dopant in the second coating layer is provided with a plurality of subareas, and the doping concentration curve of the P-type dopant is gradually reduced along the plurality of subareas. Due to the descending trend of the Mg doping concentration in the second semiconductor layer, it can be guaranteed that the second semiconductor layer can provide enough holes, the hole injection efficiency in the quantum well layer is improved, and the light emitting efficiency is improved. Meanwhile, due to the arrangement of the second semiconductor layer, light absorption can be reduced, and the light emitting effect of the device is improved.
Owner:QUANZHOU SANAN SEMICON TECH CO LTD

Multifunctional unmanned aerial vehicle undercarriage

The invention discloses a multifunctional unmanned aerial vehicle undercarriage, and relates to the technical field of undercarriages, the multifunctional unmanned aerial vehicle undercarriage comprises an electric telescopic rod, and the electric telescopic rod is used for driving to realize one-key folding. According to the multifunctional unmanned aerial vehicle undercarriage, an electric telescopic rod is controlled to be started to extend, so that the distance between a first reinforcing frame and a second reinforcing frame becomes far, the included angle between a first connecting rod and a second connecting rod is increased after the distance becomes far, and at the moment, one end of the second connecting rod drives a fifth connecting rod to be lifted upwards; meanwhile, a third connecting rod and a second connecting rod are in a parallel state, the third connecting rod can drive a fifth connecting rod to rotate along with rotation of the first connecting rod, and a fourth connecting rod and the fifth connecting rod are in a parallel state, so that the rotation angle of a sixth connecting rod is the same as that of the second connecting rod; the first connecting rod, the third connecting rod, the fifth connecting rod, the fourth connecting rod and the sixth connecting rod are folded to be close to the electric telescopic rod, and finally one-key folding is completed.
Owner:TIBET YINGHAN INFORMATION TECHNOLOGY CO LTD

Magnetic card box

The magnetic suction card box comprises a housing and a card pushing piece, the housing is rectangular and is internally provided with an accommodating cavity, the side part of the housing is provided with an opening communicated with the accommodating cavity, the housing is provided with a driving plate in a sliding manner, the driving plate can move towards the opening along the width direction of the housing, and the card pushing piece can push the driving plate to move towards the opening along the width direction of the housing. The driving plate is provided with an adsorption groove, and a magnetic ring is embedded in the adsorption groove and used for adsorbing the shell to the back face of a mobile phone. The card pushing piece is rotationally connected to the shell and located on the side, opposite to the opening, in the containing cavity, the card pushing piece is provided with a driving groove, the driving groove is located in the other side, away from the opening, of the card pushing piece, the driving plate is provided with a driving rod, the driving rod is located in the cavity, and the driving plate is connected with the driving rod. The side wall of the driving rod abuts against the groove wall of the driving groove. The driving plate slides towards the opening, and the driving rod drives the card pushing piece to rotate towards the opening so as to push the card to extend out of the opening.
Owner:余新汉

Light emitting diode with improved luminous intensity and preparation method thereof

PendingCN119403317Areduce blockingsmooth migrationElectron holeLuminous intensity
The invention provides a light emitting diode with improved luminous intensity and a preparation method thereof, and belongs to the technical field of photoelectron manufacturing. The light-emitting diode comprises an n-type layer, an active layer, an electron blocking layer and a p-type layer which are stacked in sequence, the electron barrier layer comprises a first sub-layer, a second sub-layer, a third sub-layer, a fourth sub-layer, a fifth sub-layer, a sixth sub-layer, a seventh sub-layer and an eighth sub-layer which are stacked in sequence, the first sub-layer and the fifth sub-layer comprise AlN layers, the second sub-layer and the seventh sub-layer comprise AlInGaN layers, the third sub-layer comprises an AlGaN layer, and the eighth sub-layer comprises an AlGaN layer. And the fourth sub layer, the sixth sub layer and the eighth sub layer comprise p-type doped GaN layers. According to the embodiment of the invention, electron migration can be effectively blocked, hole injection is not influenced, and the luminous intensity of the light-emitting diode is ensured.
Owner:HC SEMITEK (SUZHOU) CO LTD

Multi-angle micro-nano bubble cleaning system and method for wafer

The invention discloses a multi-angle micro-nano bubble cleaning system for wafers, which belongs to the technical field of micro-nano bubble cleaning and comprises an ozone generator, a heating tank, a micro-nano bubble generator, a cleaning tank, a filter and an electric control cabinet. The ozone generator and the heating tank are respectively connected with an inlet of the micro-nano bubble generator, an outlet of the micro-nano bubble generator is connected with an inlet of the cleaning tank, and an outlet of the cleaning tank is connected with the filter; the electric control cabinet is electrically connected with the heating tank, the ozone generator and the micro-nano bubble generator; the cleaning pool comprises a cleaning station and a plurality of cleaning nozzles, and the cleaning nozzles can be driven to swing through a reciprocating motor; the invention further discloses a corresponding cleaning method. The cleaning efficiency and the removal rate of stains on the surface of the wafer can be improved, uneven cleaning is avoided, and pollution to the environment is reduced.
Owner:HUBEI UNIV OF TECH

Civil aviation security video monitoring equipment convenient to install

The utility model provides civil aviation security video monitoring equipment convenient to install, which belongs to the technical field of monitoring equipment and comprises an installation seat, a connecting assembly is fixedly installed in the center of the upper surface of the installation seat, a stand column is installed on the connecting assembly, and a camera body is installed at the top of the stand column through an installation assembly. According to the utility model, through the arrangement of the connecting assembly, when the camera body is installed, the installation seat is fixedly installed at the position where the camera body needs to be installed, then the locking bolt is screwed upwards, the locking bolt drives the limiting block to move upwards, then the stand column is grabbed and lifted upwards, and the pin shaft on the stand column slides upwards along the sliding groove, so that the camera body is installed. The vertical column is rotated along the direction of the open slot through the pin shaft until the horizontal height of the bottom of the vertical column is equal to the horizontal height of the bottom of the open slot, so that the vertical column is positioned in the open slot in an inclined manner, and then the camera body is mounted at the bottom of the vertical column through the mounting assembly; and the camera body can be installed at a high position without climbing.
Owner:SHANDONG AIRPORT MGMT GRP YANTAI INTL AIRPORT CO LTD

Ventilation wall air conditioner indoor unit and ventilation wall air conditioner

The invention provides a ventilation wall air conditioner indoor unit and a ventilation wall air conditioner, the ventilation wall air conditioner indoor unit comprises a first ventilation wall module, the first ventilation wall module comprises a plurality of first cold air cavities arranged side by side, and a first fan assembly is arranged in each first cold air cavity; the upper portion of the first cold air cavity located in the middle is covered with a door plate, a display screen module is embedded in the door plate, a weak electric control box and a strong electric control box are sequentially arranged in the first cold air cavity on the inner side of the door plate from outside to inside, a weak electric component is arranged in the weak electric control box, and a strong electric component is arranged in the strong electric control box. According to the ventilation wall air conditioner indoor unit and the ventilation wall air conditioner, the internal assemblies are reasonable in layout, the air outlet effect of the ventilation wall device is effectively improved, and use operation and maintenance of a user are facilitated.
Owner:GUANGDONG ENVICOOL TECH CO LTD

Quality screening and intelligent separating device for trichosanthes kirilowii seeds

The invention relates to the technical field of trichosanthes kirilowii maxim processing equipment, in particular to a trichosanthes kirilowii maxim seed quality screening intelligent separation device which comprises a base, a screening outer barrel is fixedly connected to the top of the base, a perforated plate is installed in the screening outer barrel, and a blowing pipe with one end extending into the screening outer barrel is arranged on the outer side of the screening outer barrel; the outer portion of the screening outer barrel is sleeved with a drying assembly, a feeding assembly is installed at the top of the screening outer barrel, and a discharging opening is formed in one side of the screening outer barrel. The drying assembly comprises an annular box which is arranged outside the screening outer barrel in a sleeving mode and provided with an opening in the inner side, a plurality of air inlets are formed in the outer side of the screening outer barrel, a rotating rod is rotationally connected to the bottom of the inner side of the annular box, the interior of the rotating rod is hollow, and a rotating air supply assembly is installed on one side of the rotating rod. The problems that existing trichosanthes kirilowii maxim seed screening equipment cannot guarantee the drying degree of trichosanthes kirilowii maxim seeds, and the situation that broken trichosanthes kirilowii maxim seeds with large water content are mixed into full trichosanthes kirilowii maxim seeds is reduced are solved.
Owner:ANHUI MANYUANCHUN TECH CO LTD

Constant-temperature monitoring fire coal drying device for coal-fired power plant

The invention discloses a coal-fired power plant constant-temperature monitoring fire coal drying device, and belongs to the technical field of fire coal drying, the coal-fired power plant constant-temperature monitoring fire coal drying device comprises a drying bin, a sliding door assembly is arranged on the side wall of the drying bin, a hot air blower is fixedly installed on the side wall of the drying bin in a penetrating mode, an exhaust assembly is fixedly connected to the side wall of the drying bin, and a material pressing assembly is fixedly installed on the side wall of the drying bin in a penetrating mode; according to the device, by arranging the structures such as the air exhaust assembly and the material pressing assembly, the air pressure in the drying bin can be kept stable, coal powder flowing along with air in the drying bin can move into a material pressing frame, the dust falling assembly is fixedly installed on the top of the material pressing assembly, and the temperature monitor is fixedly installed on the side wall of the drying bin in a penetrating mode; and after accumulation for a certain time, the pulverized coal is extruded and formed through the combined action of a baffle, a material pressing frame and an extrusion block, then pushed into the conveying frame and moved into the drying bin again through the conveying frame, so that the collected pulverized coal can be dried, and follow-up use is facilitated.
Owner:JURONG GENERATE ELECTRICITY PLANT HUADIAN JIANGSU ENERGY CO LTD

A seedling thinning device for kelp seedling cultivation

The present invention relates to a seedling thinning device for kelp seedling cultivation, which is used for thinning seedlings attached to seedling curtains, and comprises a seedling thinning platform, a seedling thinning brush and a driving device. The seedling thinning platform comprises a table top, which is used to place the seedling curtain, and the seedling thinning brush is arranged on the table top, and is used to sweep and brush the seedling curtain placed on the table top, and the driving device can drive the seedling thinning brush to move on the table top in a direction perpendicular to the length direction of the seedling thinning brush. The present invention uses the device to thin the seedling curtains uniformly, so that the seedling thinning quality is uniform, the damage to the seedlings attached to the seedling curtains is reduced, and the work efficiency is high.
Owner:SHANDONG GENGHAI MARINE TECH CO LTD

A headset

The present application mainly relates to an earphone, wherein a movement shell is used to contact the user's skin, a transducer device enables the skin contact area of ​​the movement shell to generate bone conduction sound under the action of the transducer device, a diaphragm divides the accommodating cavity into a front cavity and a rear cavity, the movement shell is provided with a sound outlet hole connected to the rear cavity, and the diaphragm generates air conduction sound transmitted to the human ear through the sound outlet hole during the relative movement of the transducer device and the movement shell; the movement shell is provided with a pressure relief hole connected to the front cavity and a sound tuning hole connected to the rear cavity, the pressure relief hole and the sound tuning hole are arranged adjacent to each other, the leakage sound output through the pressure relief hole has a first resonance peak f1, and the leakage sound output through the sound tuning hole has a second resonance peak f2, the peak resonance frequencies of the first and second resonance peaks are respectively greater than or equal to 2kHz, and |f1‑f2| / f1≤60%, thereby making the peak resonance frequencies of the two leakage sounds as close as possible in the frequency band above 2kHz, so as to better cancel each other out and improve the sound leakage problem of the earphone.
Owner:SHENZHEN SHOKZ CO LTD

Mixing device for sludge conveying system

The present invention discloses a stirring device for a sludge conveying system, comprising a tank body, a partition, a main air path and an air vent, a tank cover is fitted and fixed on the top of the tank body, and a hydraulic drive device is fixedly installed on the outside of the tank body, the top of the hydraulic drive device is fixedly connected to the bottom of the tank cover, a bracket is fixedly installed on the top of the tank cover, and a drive motor is fixedly installed on the top of the left side of the bracket, and an air path slip ring is fixed on the top of the right side of the bracket. The stirring device for the sludge conveying system is provided with a first scraper, a second scraper and a third scraper, when the rotating shaft drives the spiral blade to rotate and stir the sludge, the connecting frame rotates accordingly, and at the same time, the connecting frame drives the first scraper, the second scraper and the third scraper to rotate, so that the first scraper cleans the inner wall of the tank body when rotating, the second scraper cleans the outer wall of the partition when rotating, and the third scraper cleans the inner wall of the partition when rotating, so that the solid materials adhered to the inside of the stirring device are automatically cleaned, the obstruction during stirring is reduced, and it is more practical.
Owner:XUZHOU SANYUAN ENVIRONMENTAL ENG CO LTD

Extraction device and extraction method of perilla oil

ActiveCN119081769AThe degree of deacidification is consistentquality improvementFatty-oils/fats refiningFatty substance recoveryPerilla oilElectric machine
The invention relates to the technical field of crude oil extraction, in particular to a perilla oil extraction device and method, and the perilla oil extraction device comprises a washing tank, a mixing assembly, a sliding assembly and a transmission assembly. A cover plate is installed on the upper side of the washing tank, an oil inlet pipe and an infusion pipe are fixedly connected to the cover plate, and an oil outlet pipe is fixedly connected to the side wall of the washing tank. The mixing assembly comprises a driving motor, a rotating shaft, a sliding rod and a plurality of stirring blades, the driving motor is fixedly connected to the cover plate, the rotating shaft is arranged in the washing tank in a penetrating mode, the sliding rod is slidably connected to the rotating shaft in the axis direction of the rotating shaft, the stirring blades are fixedly connected to the sliding rod, and the inclination angles of the adjacent stirring blades are opposite; the sliding assembly drives the sliding rod to reciprocate in the length direction of the rotating shaft, and the transmission assembly is installed between the rotating shaft and the sliding assembly. The method has the effect of enabling the deacidification degrees of the crude oil in different depth layers to be consistent.
Owner:HUBEI LISHIZHEN HEALTH CARE OIL CO LTD

A welding device for a diesel generator set base

ActiveCN120480353BWelding will not affectEasy to observe and control
The application provides a welding device for a diesel generator set base, and relates to the technical field of automatic electric arc welding of diesel generator sets. The welding device for the diesel generator set base comprises a storage base plate, a lifting mechanism is arranged on the inner side of the storage base plate, a support frame is fixedly connected to the upper surface of the storage base plate, a lifting assembly is arranged on the inner side of the support frame, a grabbing arm is arranged on the upper end surface of the lifting assembly, a placing rack is arranged on the surface of the storage base plate, a rocker mechanism is arranged on the inner side of the placing rack, a grabbing frame is arranged at the free end of the rocker mechanism, a moving assembly is arranged on the inner side of the grabbing frame, and a grabbing plate is clamped on the surface of the moving assembly. The welding device for the diesel generator set base can clamp the base steel material of the grabbing frame by the grabbing arm, so that the steel material can be combined into a frame. When the base is welded, the steel material does not need to be adjusted and supported, the effect of rapid welding is achieved, and the problem that the position of the steel material is not only heavy but also inconvenient to weld during welding is solved.
Owner:JIANGSU EXCALIBUR POWER MASCH

A mountain road slope rockfall protection device

The application discloses a kind of mountainous area highway slope rockfall protection equipment, including supporting mechanism;The supporting mechanism includes protection plate, and further include at least one first linear degree of freedom;At least four The protection plate is hinged between each other and is folded mutually;The technology of the application can flexibly unfold and adjust the position, angle and form of protection plate according to actual situation by the design of supporting mechanism, abutting mechanism and carrying mechanism.This makes the protection device can adapt to different shapes of slope and various rockfall angle, improves the overall adaptability.M type of unfolding mode makes impact force more evenly distributed on each folding layer, thereby reducing the risk of damage caused by excessive local stress.This helps to prolong the service life of protection plate, reduces maintenance cost.M type of unfolding mode makes the side with acute angle face the side of mountainous area slope rockfall, this design can better intercept and block rockfall.
Owner:CHINA WATER CONSERVANCY & HYDROPOWER NO 9 ENG BUREAU CO LTD

Dishwashers and smart cabinets

The present invention discloses a tableware washing machine and a smart cabinet. The tableware washing machine comprises a washing chamber, a cavity wall of the washing chamber is provided with a receiving groove, a reversible partition is provided in the receiving groove, a disinfection lamp is provided on the front of the partition, when the front of the partition faces outside the washing chamber, the disinfection lamp faces outside the washing chamber and the partition separates the disinfection lamp from the washing chamber, when the partition is reversed to face inside the washing chamber, the disinfection lamp also faces inside the washing chamber. When the tableware needs to be disinfected, the partition is reversed to face inside the washing chamber, the disinfection lamp also faces inside the washing chamber, thereby reducing the obstruction of the disinfection lamp light.
Owner:GUANGZHOU FUGANG WANJIA INTELLIGENT TECH CO LTD

Sewage treatment apparatus with filter grid

ActiveCN224723725USolve the problem of cumbersome disassemblyMeet the needs of filtration
The utility model relates to sewage treatment technical field, and specifically is a kind of sewage treatment equipment with filter grating, including first filter tank, second filter tank and box, the first filter tank inside is equipped with filter cavity, the first filter tank top end is also equipped with with opening intercommunication's embedded slot, box top end is fixedly connected with sealing plate, the box is equipped with with filter cavity intercommunication's cavity, box is close to the end of second filter tank inner wall and is equipped with the clamping groove for installing grating plate;Box is away from the end of grating plate inner wall lower part and is equipped with blanking plate, and the blanking plate both ends are with the fixed connection of filter cavity both ends inner wall. Grating plate is cooperated with the clamping groove of box by mounting frame, and is fixed by bolt, when disassembling, just loosen bolt can be taken out, without complex tool;Meanwhile, box is connected with the first filter tank by sealing plate, after unscrewing self-tapping screw, box can be taken out by handle, realize the quick disassembly of grating plate, solve the problem of grating disassembly complicated in traditional equipment.
Owner:TIANJIN JINBEI WATER CO LTD

Laboratory sample rack

The present invention discloses a laboratory sample rack, comprising a base, a support frame and a sample tube fixing plate, wherein the upper surface of the base has a buffer layer, the lower end of the support frame is connected to the base, the sample tube fixing plate has a sample tube placement hole, the sample tube fixing plate is arranged above the base, the sample tube placement hole is within the upward projection range of the buffer layer, and the support frame is used to support and fix the sample tube fixing plate. The laboratory sample rack provided by the present invention can reduce the collision between the sample tube and the sample rack, and avoid the sample tube from bouncing up when placing the sample tube, causing the sample to spill and cause contamination.
Owner:GUIZHOU JINYU MEDICAL LAB CENT CO LTD

Grinding aid flow controller for cement production

The utility model discloses a cement production is with grinding aid flow controller, including the shell, and it is characterized by: the shell is fixedly connected with the feed pipe, the shell bottom fixedly connected with the discharge pipe, the shell is fixedly connected with the air cylinder, the piston rod of air cylinder fixedly connected with the mounting bracket, the mounting bracket is fixedly connected with the stand, and the stand is slidably connected with the shell, and the stand one end fixedly connected with the briquetting, and the briquetting is slidably connected in the shell, and the briquetting is slidably connected with the connecting rod, and the connecting rod one end fixedly connected with the block up, the utility model's beneficial effect reflects: through servo motor control discharge pipe and the opening between block up, and the flow control is more accurate, and the briquetting is arranged in the shell, and the pipe wall residual can be cleaned, and the shell and the discharge pipe internal hopper structure design are not easy to keep, and the reduction is blocked up.
Owner:SHANDONG ZHONGSEN NEW MATERIAL CO LTD

Immersed liquid cooling cabinet

The invention relates to the technical field of liquid cooling cabinets, in particular to an immersed liquid cooling cabinet which comprises a cabinet body and further comprises a plurality of module mounting racks, a plurality of brackets, a lifting assembly, a plurality of bearing pieces and a deflection assembly. The lifting assembly comprises an integral lifting part and an independent bearing part, the independent bearing part is used for supporting the module mounting frame from the bottom end or releasing the state of supporting the module mounting frame, and the integral lifting part is used for lifting the module mounting frame supported by the independent bearing part; according to the invention, one, two or more module mounting racks can be selectively and automatically lifted according to the needs of module maintenance, and when maintenance or repair is needed, large-scale disassembly and operation do not need to be carried out on the whole liquid-cooled cabinet, and only one or more failed equipment modules need to be automatically taken out, so that the maintenance efficiency is greatly improved. Therefore, operation steps and workload can be greatly reduced, and maintenance time is remarkably shortened.
Owner:NINGBO LINGTONG TELECOM EQUIP

A headset

The present application mainly relates to an earphone, wherein the movement shell is used to contact the user's skin, the transducer device enables the skin contact area of ​​the movement shell to generate bone conduction sound under the action of the transducer device, the diaphragm divides the accommodating cavity into a front cavity and a rear cavity, the movement shell is provided with a sound outlet hole connected to the rear cavity, and the diaphragm generates air-conducted sound transmitted to the human ear through the sound outlet hole during the relative movement of the transducer device and the movement shell; the movement shell is provided with a pressure relief hole connected to the front cavity and a sound tuning hole connected to the rear cavity, the pressure relief hole enables the front cavity to be connected with the external environment to reduce the blockage of the front cavity to the rear cavity, the sound tuning hole can destroy the high-pressure area of ​​the rear cavity, reduce the wavelength of the standing wave in the rear cavity, and make the peak resonance frequency of the air-conducted sound shift to high frequency; the wavelength of the standing wave in the front cavity is reduced by cooperating with multiple pressure relief holes, so that the peak resonance frequency of the leakage sound output through the pressure relief hole adjacent to the sound tuning hole is shifted to high frequency, so that the leakage sound output through the adjacent pressure relief hole and the sound tuning hole is better coherently canceled.
Owner:SHENZHEN SHOKZ CO LTD

Aerosol generating device

ActiveCN222486173UGuaranteed air intakeAir intake adjustmentTobaccoAerosolizeMechanical engineering
An aerosol generating device is provided with an air inlet channel and an atomizing channel, the air inlet channel comprises a first air inlet cavity and a second air inlet cavity communicated with the atomizing channel, and a communicating hole communicated with the first air inlet cavity and the second air inlet cavity is formed in the air inlet cavity; the aerosol generating device is further provided with a first air inlet and a second air inlet which are communicated with the first air inlet cavity, the first air inlet and the second air inlet are arranged in a staggered mode in the extending direction of the atomization channel, and / or the included angle between the orientation of the first air inlet and the orientation of the second air inlet is not zero. The first air inlet and the second air inlet are both communicated with the atomization channel through the communicating holes, on one hand, the probability that all the air inlets are blocked or shielded can be reduced by arranging the first air inlet and the second air inlet which are different in position and / or orientation, and the air inlet amount and normal work of the aerosol generating device are ensured; on the other hand, the air inflow of the atomization channel can be adjusted by adjusting the size of the communicating hole, and the consistency of mass production of the aerosol generating device is ensured.
Owner:SHENZHEN GEEKVAPE TECH CO LTD

A metal mesh hot air drying oven

This application discloses a hot air drying oven for metal mesh, belonging to the field of hot air drying technology. It mainly includes a box body; the box body includes a hot air box and a conveying assembly; the conveying assembly includes several conveying rollers for conveying the metal mesh. The key feature is that each of the several conveying rollers is equipped with a guide wheel assembly, which includes a first guide wheel and a second guide wheel; both the first and second guide wheels are provided with a bearing portion and a limiting portion, and the diameter of the bearing portion is larger than the diameter of the conveying roller, while the diameter of the bearing portion is smaller than the diameter of the limiting portion; the bearing portions on the first and second guide wheels are close to each other; by providing the guide wheel assembly, the metal frame in the metal mesh can be placed on the guide wheels, thereby increasing the distance between the metal mesh and the conveying rollers, thus reducing the obstruction and interference of the conveying rollers on the hot air flowing down the metal mesh, thereby improving the uniformity of drying on both sides of the metal mesh.
Owner:CHANGZHOU PLET PRINTING TECH CO LTD

A load 32 Method for preparing ultra-thin sheet-like chitosan hydrogel patch of P

This invention discloses a load 32 The preparation method of the ultrathin sheet-like chitosan hydrogel applicator of P includes: (1) preparing a chitosan aqueous solution; (2) adding methacrylic anhydride to the chitosan aqueous solution to obtain methacrylated chitosan; (3) preparing a methacrylated chitosan aqueous solution; (4) adding 2-hydroxy-4′-(2-hydroxyethoxy)-2-methylphenylacetone to the methacrylated chitosan aqueous solution to obtain a chitosan hydrogel precursor solution; (5) coating the inner wall of a polytetrafluoroethylene mold with a superhydrophilic coating; (6) adding Na2H 32 PO4 aqueous solution and chitosan hydrogel precursor solution are added to the mold, stirred and then cured by light; (7) the cured hydrogel is taken out and sealed between two layers of transparent tape. This application can prepare an ultra-thin hydrogel applicator, thereby reducing the obstruction of radiation by the hydrogel material itself and enhancing the therapeutic effect of the applicator.
Owner:SICHUAN UNIV

Semi-tunneling back contact battery and preparation method thereof

The invention discloses a semi-tunneling back contact battery and a preparation method thereof. The semi-tunneling back contact battery comprises a silicon substrate, a first polarity region and a second polarity region, the silicon substrate is provided with a front surface and a back surface which are opposite; the first polar region is located on the back surface of the silicon substrate, the first polar region comprises a tunneling oxide layer and a first silicon layer doped with boron atoms, and the tunneling oxide layer and the first silicon layer are sequentially stacked on the back surface of the silicon substrate; the second polarity regions are arranged in the silicon substrate, and the first polarity regions and the second polarity regions are arranged at intervals on a plane perpendicular to the thickness direction of the semi-tunneling back contact cell; the area, where the first polarity area is located, of the back face of the silicon substrate is a polished face, and the area, where the second polarity area is located, of the silicon substrate is a suede face.
Owner:LAPLACE RENEWABLE ENERGY TECH CO LTD

Flow-aiding mud-containing material efficient anti-blocking device

The utility model relates to the technical field of conveying devices, in particular to a flow-aiding mud-containing material efficient anti-blocking device. According to the technical scheme, the conveying device comprises a conveying box, a bottom plate, a fan, a conveying roller, a material plate and a plate chain type conveying belt, the bottom plate is arranged below the outer wall of the conveying box, the material plate is arranged at the lower end of the conveying box, a sleeve plate is arranged at the upper end of the material plate, the conveying roller is installed in the conveying box, and the outer wall of the conveying roller is sleeved with the plate chain type conveying belt. A transmission wheel is arranged at one end of the conveying roller, the outer wall of the transmission wheel is rotationally sleeved with a transmission belt, a push plate is arranged on the outer wall of the plate chain type conveying belt, an air box is arranged on one side of the upper end of the material plate, and a fan is arranged at one end of the conveying box. According to the utility model, the push plate which is moved by the plate chain type conveying belt and the material plate which is used for pushing wet materials containing mud in an assisting manner and is longitudinally adjusted are arranged in the conveying box and are matched with the fan to carry out airflow feeding, so that the blockage of the materials is avoided.
Owner:HUAIBEI YOUSHI NEW ENVIRONMENTAL PROTECTION BUILDING MATERIALS CO LTD