74results about How to "Avoidance of circumstances" patented technology

The invention discloses a Micro LED display panel, a manufacturing method thereof and a display device. It is only required to press an LED chip array into a bonding film layer when the LED chip arrayis transferred, the LED chip array is bonded onto a bearing substrate or an array substrate via the bonding film layer, and an unnecessary part of the bonding film layer is removed to remove unnecessary LED chips and thus complete transfer. All chips in the LED chip array are welded to the substrate one by one needless of a welding manner, The Micro LED display panel manufacturing technology is simplified, the technical difficulty of the Micro LED display panel is reduced, influence of high temperature of the welding technology on the LED chip is avoided, and the LED chips are avoided from damage in the transfer process.

The invention discloses a shell ring heat treatment device and a using method thereof, and relates to the field of heat treatment in a steel rolling metallurgy process, the shell ring heat treatment device comprises a supporting main shaft used for being arranged in a shell ring, an outer suspension frame, a heating assembly and a cooling assembly, and the shell ring is arranged on a rolling device. The outer suspension frame is arranged outside the shell ring, and the shell ring is partially surrounded by the outer suspension frame. The heating assembly comprises an inner heating device and an outer heating device, the inner heating device and the outer heating device are used for being arranged inside and outside the shell ring respectively, the inner heating device is arranged on the supporting main shaft, and the outer heating device is arranged on the outer suspension frame. The cooling assembly comprises an inner cooling device and an outer cooling device, the inner cooling device and the outer cooling device are arranged inside and outside the shell ring respectively, the inner cooling device is arranged on the supporting main shaft, and the outer cooling device is arranged on the outer suspension frame. According to the shell ring heat treatment device, waste heat of the shell ring after hot rolling is utilized, the shell ring is subjected to heat treatment without moving the shell ring, the environmental protection performance is good, and the production efficiency is high.

The invention provides a cyclic chained die for plastic particle forming. The cyclic chained die comprises a main frame body, a die device, a water cooling forming device and a water separating and output device. The main frame body is fixedly provided with a cooling water tank with an opened upper end and a closed lower end. The die device and the water cooling forming device are installed in thecooling water tank. The water separating and output device is located under the cooling water tank. The die device is used for receiving molten plastic and forming the molten plastic into a proper particle shape. The water cooling forming device is used for receiving the particle-shaped molten plastic output by the die device and conducting water cooling and condensation forming treatment on themolten plastic. The water separating and output device is used for receiving a cooling water and plastic particle mixture output by the water cooling forming device and conducting separating and output treatment on the mixture. By means of the cyclic chained die, after the molten plastic is subjected to particle shaping treatment, the molten plastic is conveyed into the chained die to be subjectedto cooling forming, obtained plastic particles are consistent in size, the quality is good, and subsequent selling is facilitated.

The invention discloses a teaching supervision system of network communication. The system includes a detector mounted on each student's desk for detecting the presence or absence of a mobile phone and a prompting device for prompting, and a monitor mounted on a teacher table. Each detector and each prompting device are in communication connection with the monitor. The monitor comprises a signal receiving and processing unit, a control chip unit and a liquid crystal display screen, wherein the signal receiving and processing unit and the liquid crystal display screen are communicatively connected with the control chip unit. The monitor comprises a signal receiving and processing unit, a control chip unit and a liquid crystal display screen. By installing a detector for detecting whether amobile phone exists in a student desk. A monitor communicatively connected to each detector in the same classroom is installed on the instructor's platform, the monitor can monitor whether the students are playing with the mobile phone in real time, and install the prompt on the students' desk. Once the monitor shows that the mobile phone is detected, the corresponding prompt can be responded by operating on the monitor, which helps to urge the students to listen carefully in class and improve the style of study of the class.

The invention discloses an indoor sliding rail type disinfectant spraying device for poultry breeding, and relates to the technical field of poultry breeding. The indoor sliding rail type disinfectantspraying device for poultry breeding comprises a mixing box, a transverse rod is rotationally installed in the mixing box, a vertical rod is welded to the outer wall of the transverse rod, fan bladesare welded to the outer wall of the vertical rod, and a first motor is welded to the outer surface of the top of the mixing box. Through cooperative use of a sleeve rod, a vertical plate, a disc, a circular block, a limiting block, a transverse block, a mounting rod, a shifting rod, a linkage rod, a linkage block, a linkage ball, a second motor, a connecting block and a connecting rod, a rotatingrod can be shaken leftwards and rightwards, the spraying area is further increased, and the spraying limitation of the device during sliding rail operation is further avoided; and in addition, the in-pair matching effect is more remarkable, the practicability of the device is effectively enhanced, and the disinfection efficiency is improved.

The invention discloses a chain mold injection molding technology of polystyrene plastic granules. The chain mold injection molding technology comprises the following steps of enabling plastics in a melting state to flow to granule holes which communicate with a feeding hole, and besides, enabling the plastics in the melting state in the granule holes which communicate with a discharge hole to fall to the feeding end of a water-cooling forming device; while the plastics in the melting state fall down to forming holes in the feeding end of a chain mold piece, enabling the plastic granules in the forming holes in the discharge end of the chain mold to fall down to a water separation output device, and at the same time, enabling cooling water to flow to the water separation output device through a material draining nozzle; enabling an intermittent motion mechanism to run a cycle, wherein a mold body / a mold shaft can firstly rotate, and the rotating displacement is equal to the displacement between every two adjacent groups of granule holes; a chain mold body moves, and the movement displacement is equal to the distance between every two adjacent groups of the forming holes; then enabling the mold body / the mold shaft to be still and repeating the step I in a reciprocating manner; and separating the polystyrene plastic granules from water, performing surface air drying treatment, and storing the polystyrene plastic in the granule storing mechanism.

The invention discloses an ink detection system for digital printing and a use method, and relates to the technical field of ink detection for digital printing, the ink detection system comprises a base and an ink concentration detector arranged above the base, both sides of the middle part of the top surface of the base are provided with mounting seats, and the tops of the two mounting seats are provided with a bearing box; air bag cushions are arranged on the inner arc surfaces of the mounting seats, and sealing mechanisms are arranged in the sealing grooves; a flow dividing cavity is horizontally formed in a box body at the lower end of the bearing box, a heating coil pipe is wound in the box body of the bearing box, and a plugging mechanism is arranged in each fixing pipe. Through cooperation of the bearing box, the mounting base and the plugging mechanism, concentration testing operation can be conveniently carried out after the temperature of printing ink is raised to a proper storage condition, and the situation that the concentration detection data of the printing ink is affected by the temperature is effectively avoided; the situation that the container is collided and toppled over by detection equipment is effectively avoided; and the high efficiency and the accuracy of detecting the concentration of the printing ink are improved.

The invention provides a signal acquisition circuit, a signal acquisition device and a signal acquisition system applicable to magnetic steel online fault diagnosis. The signal acquisition circuit comprises a signal connecting module, a magnetic steel noise signal acquisition module and a magnetic steel internal resistance signal acquisition module, wherein input of the signal connecting module is connected with two ends of a magnetic steel coil, and output of the signal connecting module is connected with a channel switching module and connected with a corresponding signal acquisition module according to diagnosis requirement; the magnetic steel noise signal acquisition module is connected with the output of the signal connecting module through the channel switching module when magnetic steel noise detection is required to be performed, so as to acquire a magnetic steel noise signal, amplify the magnetic steel noise signal and then output the amplified magnetic steel noise signal; and the magnetic steel internal resistance signal acquisition module is connected with the output of the signal connecting module through the channel switching module when magnetic steel internal resistance detection is required to be performed, so as to acquire a magnetic steel internal resistance signal, perform filtration and impedance conversion on the magnetic steel internal resistance signal and then output the magnetic steel internal resistance signal. The signal acquisition circuit, the signal acquisition device and the signal acquisition system are capable of avoiding a situation that management data of other tracks are influenced when diagnosis is performed through more shafts or less shafts in the prior art.

The invention provides an oriented-gas discharge battery module and a power battery. Cells in the battery module can be arranged to respectively have a protruding seal edge, fixed end plates and cell fixing plates in the battery module mutually cooperate to form a stitching structure for stitching the seal edges of the cells, and grooves for connecting the internal and the external of fixing chambers for fixing the cells are arranged in the battery module. The fixing chambers press the edges, and the grooves are not stitch-sealed, so gas is discharged from the unstitched grooves of the seal edges when the cells have a gas expanding phenomenon and need gas discharge. The positions of the grooves in all the fixing chambers are arranged in a unified manner to realize oriented gas discharge of the cells, so the gas discharge direction at the cell spray explosion can be controlled, and influences of random gas discharge of the cells on surrounding cells are avoided.

The invention discloses a bee breeding device capable of conveniently collecting honey and a using method thereof. The bee breeding device comprises a box body, the box body is divided into a honey storage area and a honey collection area from bottom to top, wherein the top of the box body is provided with a bee breeding area, box doors are installed on the left side and the right side of the boxbody, first protruding blocks are fixed to the upper ends and the lower ends of the sides, facing the interior of the box body, of the box doors, first guide rails are arranged at the positions, corresponding to the first protruding blocks, of the inner wall of the box body, the first guide rails are in sliding fit connection with the first protruding blocks, first fixing blocks are fixed to the front end and the rear end of the bottom of the box body correspondingly, first rotating shafts are installed in the first fixing blocks, and the first rotating shafts are rotationally connected with first supporting blocks. The bee breeding device improves the purity of the honey, avoids waste of the honey and increases economic benefits.

The invention discloses a pressure testing machine which comprises a base, a driving motor is installed at the lower end of the base, the tail end of an output shaft of the driving motor penetrates through the base and is fixedly connected with a first rotating rod, the upper end of the first rotating rod is fixedly connected with a disc, and a plurality of through openings are formed in the disc. A telescopic groove is formed in the side, close to the axis of the disc, of each through opening, a baffle is arranged in each telescopic groove, and each baffle is slidably connected with the inner wall of the corresponding telescopic groove. A product can be placed in the through opening to be tested, the product can automatically fall off when the through opening rotates to the leftmost side after the test is finished, so that the product does not need to be manually taken away, the product is prevented from being polluted, meanwhile, the fallen product can be pushed into the collecting box by the push block, the product is prevented from being accumulated under the placing table, and the baffle can be brushed after the product falls off, so that the product is prevented from being damaged. And the condition of scrap residue is avoided, so that the accuracy of the subsequent pressure test is ensured.

The invention discloses a network flow control method and device for a cloud native container, equipment and a storage medium. The scheme can be applied to a kernel module of a host machine, and the method comprises the following steps: obtaining marking configuration information issued by a service quality module, and configuring a container label rule according to the marking configuration information; in response to a data packet of a container received by the host machine, putting the data packet into a target queue corresponding to the label of the container according to the container label rule and the queue matching rule, wherein the queue matching rule is created according to configuration information issued by the service quality module; and performing control processing on the data packets in the target queue. According to the scheme, effective utilization of resources can be improved, and resource waste is avoided.

The invention relates to the technical field of fertilizer production, in particular to a fertilizer detecting and sampling processor which comprises a connecting plate, extracting devices, a collecting device and a cleaning device, the connecting plate is provided with a plurality of circular through holes which are linearly and uniformly distributed, the connecting plate is connected with the plurality of extracting devices which are linearly and uniformly distributed, and the collecting device is connected with the collecting device. A cleaning device is mounted at the upper end, close to the rear side, of the connecting plate, and two ends of the connecting plate are rotationally connected with a collecting device through bearings; the problems that when an existing fertilizer detection sampling processor is used for sampling fertilizer, only independent sampling can be carried out, multiple fertilizer samples cannot be extracted at the same time, and therefore the fertilizer sampling efficiency is reduced can be solved; the extraction device adopted by the invention can extract a plurality of fertilizer samples at the same time, so that the fertilizer sampling efficiency is improved.

The invention relates to a Bluetooth connection method and device, wearable equipment and a computer readable storage medium. The method comprises the following steps: when a first system runs, pairing with a mobile terminal through first Bluetooth to obtain a terminal identifier corresponding to the mobile terminal; obtaining a mode switching instruction, closing the first system and the corresponding first Bluetooth according to the mode switching instruction, and opening the second Bluetooth; and establishing a connection with the mobile terminal through the second Bluetooth based on the running second system according to the terminal identifier. When the operation mode of the wearable device changes, normal Bluetooth communication of the wearable device can be ensured.

The invention discloses an ecological rainwater storage system achieving automatic flow distributing. The ecological rainwater storage system comprises a box body, a collecting part for collecting rainwater is fixedly mounted on the end surface of the top part of the box body, a flow chamber with an upward opening is formed in the end surface of the top part of the box body, a first collecting chamber is arranged on the lower part of the flow chamber in a communicating mode, a first rubber ball is fixedly mounted in the bottom wall of the first collecting chamber, when a sliding block moves rightwards, the sliding block is clamped in a clamping groove, thus a clamping rod moves upwards, and a pulling block is driven by the clamping rod to move downwards through a first gear. According to the ecological rainwater storage system achieving automatic flow distributing, the first collecting chamber and a second collecting chamber are arranged to collect rainwater, after the rainwater is full in the first collecting chamber, the rainwater can be automatically sent into the second collecting chamber through the first rubber ball and a transmission mechanism, manual operation and adjustment are not needed, after the rainwater is full in the second collecting chamber, the rainwater can flow out through a water discharging tank, and the situation that passengers are influenced due to thefact that the rainwater flow out of the top of the device is avoided.

The invention discloses a BGA rework station provided with an adjustable air outlet and relates to the field of integrated circuit maintenance equipment. The BGA rework station comprises the air outlet formed at a hot air nozzle, the hot air nozzle is sleeved with an adjusting case, and an opening with the size smaller than that of the air outlet is formed in the adjusting case; a rotary shaft isrotationally connected in the hot air nozzle, a first impeller is fixedly connected onto the rotary shaft, and two ends of the rotary shaft extend into the adjusting case; two ends of the rotary shaftare sleeved with centrifugal fans, each centrifugal fan comprises a suction port and an output port, a through hole is also formed in one side, where the opening is formed, of the adjusting case, anair outlet is formed in one side, away from the opening, of the adjusting case, a delivery pipeline and an exhaust pipeline are arranged in the adjusting case, the through hole and the suction port are communicated through the delivery pipeline, and the output port and the air outlet are communicated with the exhaust pipeline. The problems that the size of air outlets of existing BGA rework station cannot be adjusted and air blown out by the air outlets diffuse all around to affect BGA chips not needing desoldering are solved, and the BGA rework station is mainly applied to dismounting and welding in the BGA chip rework process.

The invention discloses a sewage treatment device and method. The sewage treatment device comprises a main body, wherein a precipitation tank and a filtering tank are formed in the top surface of themain body, a side plate is fixedly arranged at the edge of the outer ring of the tank opening of the precipitation tank, a floating object fishing assembly is fixedly arranged on the top surface of the side plate and comprises a vertical plate fixedly connected with the top surface of the side plate, a connecting rod is embedded into the back face of the upper end of the vertical plate, the outerside of the connecting rod is movably sleeved with a first gear, a motor box is further fixedly arranged on the top face of the side plate, a motor groove is formed in the motor box, and a motor is fixedly arranged in the motor groove. According to the invention, a collecting groove is formed in a floating object collecting cylinder, a floating object inlet communicating with the collecting grooveis formed in the top end of the floating object collecting cylinder, the outer side of the floating object collecting cylinder is movably connected with a cylindrical outer frame in a sleeving mode,and a plurality of salvage hook pieces which are annularly distributed at equal intervals are fixedly arranged on the outer side of the cylindrical outer frame, so that the device can be used for fishing floaters and collecting the fished floaters at the same time.

The invention discloses automatic separation type cutting equipment, and relates to the technical field of woodworking board processing. The automatic separation type cutting equipment comprises a base box, collecting boxes are fixedly mounted on the front side and the back side of the base box, limiting clamping blocks are fixedly mounted on the front side and the back side of the top of the basebox, and are in L-shaped block shapes, the two limiting clamping blocks are mounted in a mutual mirroring manner, an equipment box is fixedly mounted on the tops of the two limiting clamping blocks,and is in a rectangular box shape, the interior of the equipment box is hollow, the right side of the base box is fixedly provided with an auxiliary equipment box which is in a ladder box shape, according to the automatic separation type cutting equipment, a cut board is separated, then, the cut board falls to the top wall face of a finished product material plate through a finished product guideplate through the gravity effect, meanwhile, cut chippings fall to the bottom of the finished product material plate in the collecting box through the top side wall of a separation guide plate, the effect of automatic cleaning type cleaning of the plate chippings can be achieved, and the occurrence of an accident caused by manual cleaning is avoided.

The invention relates to the field of milling cutters, and discloses a vertical multi-tooth type saw blade cutter. The vertical multi-tooth type saw blade cutter comprises a cutter handle, wherein the interior of the left end of the cutter handle is hollow; a switch groove is formed in the outer wall surface of the cutter handle and communicated with the inner hollow portion of the cutter handle; a push switch is arranged on the switch groove and composed of an outer large arc-shaped block and an inner small arc-shaped block; the lower end of the push switch extends into the cutter handle through the switch groove; the size of the inner side of the push switch is matched with the width of a notch of the switch groove; a fixed block is fixedly mounted on the left side of the interior of the cutter handle; a spring is fixedly mounted at the right end of the fixed block; and the right end of the spring is fixedly connected with a connecting block. According to the vertical multi-tooth type saw blade cutter, when operation is stopped, the push switch is pushed to enable a limiting rod to leave a limiting hole while moving upwards, so that the saw blade cutter is loosened; and at the moment, the saw blade cutter is reversely rotated to enable a clamping block to be separated from a two-layer stepped groove, then disassembly can be completed, so that the effect of conveniently replacing the saw blade cutter is achieved.

The invention relates to the technical field of non-woven cloth processing and forming equipment, and in particular relates to a cotton fibre opening process for manufacturing a piece of non-woven cloth. The cotton fibre opening process for manufacturing the non-woven cloth comprises the steps that: (1), a feeding mechanism grabs a certain amount of cotton fibre from compressed cotton fibre, and then, shifts onto a second conveying mechanism; (2), a clamping assembly clamps the cotton fibre while moving to the output end of the second conveying mechanism; (3), a conveying belt drives the clamping assembly to move to be above needle rollers; (4), the clamping assembly releases the cotton fibre while moving to be above the needle rollers; (5), the cotton fibre is opened by needles arranged on the two relatively rotary needle rollers; and (6), a receiving mechanism outputs the cotton fibre to the next process after receiving a certain amount of cotton fibre. According to the cotton fibreopening process for manufacturing the non-woven cloth in the invention, unopened cotton blocks are discontinuously conveyed to an opening mechanism through the second conveying mechanism; then, afterdiscontinuously clamping the cotton blocks, the clamping assembly conveys the cotton blocks into the needle rollers to open; and thus, the condition that cotton feeding is influenced by the traditional needling fracture is avoided.

The invention discloses an intelligent material evidence constant temperature dehumidification drying integrated cabinet, and relates to the technical field of drying equipment. The intelligent material evidence constant temperature dehumidification drying integrated cabinet comprises a cabinet box, a control panel is fixedly installed at the top of the cabinet box, electric hot plates are fixedlyinstalled on the left side, the right side and the rear side of the inner wall of the cabinet box, ultraviolet sterilization lamps are fixedly installed at the positions, above the electric hot plates, of the inner rear wall of the cabinet box, a water guide mechanism is fixedly installed at the internal top of the cabinet box through a connecting block, and a fixing mechanism is fixedly installed on the lower half part of an inner cavity of the cabinet box. According to the intelligent material evidence constant temperature dehumidification drying integrated cabinet, based on the installation of the water guide mechanism in the cabinet box, oriented intervention can be carried out on water drops formed by condensation in contact with the internal top of the cabinet box according to the characteristics of evaporation and gasification of water with a law of rising upwards from the surface of material evidence, meanwhile, the water drops are collected, and the water drops generated in the drying process are prevented from dropping into the surface of material evidence again.

The invention relates to and provides a networked speed measuring device with an automatic floating dust removing function. The networked speed measuring device comprises a main seat, and the outer side of the main seat is fixedly sleeved with a rotary disc. Pin rollers are movably placed in the main seat, and a roll brush is mounted between one pair of pin rollers. A tooth plate engaged with a gear is movably inserted into the main seat, and an electromagnet is fixedly mounted below a magnetic block. A resonance sheet is mounted in a resonance cavity, a shifting rod is fixedly connected witha baffle, a ball is p laced at the top of the baffle, and a switch is mounted on the bottom wall of a dropping groove. when a car passes, the resonance sheet vibrates to drive the baffle to shake, andthe ball is jacked at the upper end of a sliding groove by the baffle all the time; when no car passes, the resonance sheet stops vibrating, the ball drops along with the dropping groove and touchesthe switch, the electromagnet is powered on and has magnetism, a rotary shaft and a rotary disc are driven to rotate, and the pin rollers with the roll brush are jacked upwards; and after a mirror surface of a camera is cleaned by the roll brush, the roll brush moves into the main seat again, and shooting is prevented from being influenced.

The invention discloses a liquid level measuring device of a plant protection unmanned aerial vehicle. The liquid level measuring device comprises a detecting unit, a signal converting unit, a signaloutput unit and a control system. The detecting unit is used for detecting the liquid level of a liquid pesticide in a pesticide tank of the plant protection unmanned aerial vehicle and transmits information in the form of electric signals to the signal converting unit. The signal converting unit is used for converting the electric signals output by the detecting unit into binary codes and transmitting the binary codes to the signal output unit. The signal output unit is used for outputting the binary codes to a central processor. The control system is used for controlling the activation and stop of each sensor and controlling the time when the signal output unit transmits the binary codes to the central processor. By means of the liquid level measuring device, the liquid level of the pesticide tank can be detected, the working conditions of pesticide spraying openings are controlled according to feedback information of the sensors, excessive pesticide applying is avoided, and work efficiency and quality are improved.

The invention relates to the technical field of clothing related equipment, and discloses an exhaust device for producing and packaging summer shirts. The exhaust device comprises a workbench, the inner side surface of the workbench is rotatably connected with a rotating shaft, the outer side surface of the rotating shaft is rotatably connected with a rotating wheel, the inner side surface of the rotating wheel is slidably connected with a convex rod, and the outside of the convex rod is fixedly connected with a lifting plate. The outer side surface of the lifting plate is fixedly connected with a positioning plate. Through the interaction of the rotating shaft, the rotating wheel, the convex rod, the lifting plate, a rotary shaft, a chain, a chain wheel, a positioning plate, an exhaust wheel and a fixed rod, gas in a packaging bag can be extruded and exhausted after shirts are bagged; and the situation that after the packaging bag is sealed, a large amount of gas is contained in the packaging bag, so that the packaging bag expands in the process, and consequently follow-up clothes boxing is affected is avoided, the space occupation amount of the packaged clothes is greatly reduced, follow-up storage and transportation of the packaged shirts are facilitated, and the requirements of actual production and packaging work of the shirts can be met.

A forming method of a semiconductor structure comprises the following steps: providing a substrate; forming a plurality of fin structures on the substrate, wherein each fin structure comprises an effective region and a to-be-isolated region which are distributed in the direction parallel to the surface of the substrate, the top surface of each effective region is provided with a first barrier layer, and the top surface of each to-be-isolated region is provided with a second barrier layer; removing the first barrier layer; after the first barrier layer is removed, forming an initial dummy gate structure on the substrate and the fin structures, wherein the initial dummy gate structure crosses the plurality of fin structures, and the top of the initial dummy gate structure exposes the second barrier layer on the top surface of the to-be-isolated region; removing the second barrier layer on the top surface of the to-be-isolated region; after the second barrier layer is removed, removing part or all of the to-be-isolated regions, and forming isolation openings in the initial dummy gate structures, wherein the bottom planes of the isolation openings are lower than or flush with the bottom planes of the initial dummy gate structures; and forming a first isolation structure in the isolation opening. The method improves the performance of the semiconductor structure.

The invention discloses a tourniquet used for hemodialysis patients and capable of monitoring pressure and errhysis and relates to the technical field of medical equipment. The tourniquet comprises adial, wherein a pressure display is clamped on the front side of the dial, an errhysis alarm is clamped on the front side of the dial, a sound damping button is arranged on the upper surface of the dial, a pressure detector is clamped on the back side of the dial, two blood leaking induction pieces are clamped on the back side of the dial, and the pressure detector is located between the two bloodleaking induction pieces. According to the tourniquet used for hemodialysis patients and capable of monitoring pressure and errhysis, under the joint action of the pressure detector, the blood leaking induction pieces, a processor, the errhysis alarm and the pressure display, an operator can clearly know the pressure condition of artery and vein puncture parts, operation of the operator is facilitated, the errhysis condition is reduced, and the operator can further know whether the errhysis condition occurs at artery and vein puncture parts of internal fistula conveniently under the action ofthe blood leaking induction pieces.

The invention relates to the technical field of auxiliary medical equipment, and specifically discloses a supporting device after skin implantation, which includes a supporting frame and a hinged frame hinged on the supporting frame. The inflatable mechanism of the hinged frame, the inflatable mechanism includes an airbag and an inflatable cylinder, one end of the airbag is hinged to the support frame, and the other end of the airbag is fixed to the hinged frame; the airbag communicates with the inflatable cylinder, and a piston is slidably connected in the inflatable cylinder, and the inflatable cylinder is fixed on the support on the frame. Adopting this solution can solve the technical problem that the pillow in the prior art cannot raise the limbs to a corresponding height according to the actual needs of the patient.

The invention belongs to the technical field of air purification treatment, and discloses an air exchange system, which includes an air exchange assembly, a cleaning assembly and an air supply assembly. The cleaning component includes a liquid storage tank filled with cleaning liquid and a secondary filter tube connected to the top of the liquid storage tank. The liquid storage tank is provided with a liquid inlet and a liquid outlet that can be closed, and a filter element is provided in the secondary filter tube. The end of the air guide pipe away from the air inlet pipe is inserted into the liquid storage tank, and the air guide pipe extends to the lower part of the liquid storage tank; the air supply assembly includes an air supply pipe communicated with the secondary filter pipe. The present invention solves the problem that currently the ventilating fan is used for ventilating, the effect of ventilating is limited, and the effect of improving the air quality of the processing environment is limited.