206results about How to "Reduce angle" patented technology

The invention belongs to the technical field of sewage treatment, and particularly discloses an oil-containing sewage treatment air flotation machine which comprises an air flotation machine box body, and a front partition plate, a front oil collecting plate and a rear oil collecting plate are sequentially arranged in the air flotation machine box body from left to right. The front partition plate, the front oil collecting plate and the rear oil collecting plate sequentially divide the air flotation machine box into a mixing pool, an air flotation pool, an oil collecting pool and a slag collecting pool from left to right, a slag scraping assembly is arranged on the upper side of the air flotation pool of the air flotation machine box, a rotary filter plate is arranged on the upper portion in the oil collecting pool, and operation rails are arranged on the upper walls of the two symmetrical side walls of the air flotation machine box. The inner side wall of the air floatation machine box body and the inner side wall of the running track are provided with multi-stage track grooves, and the multi-stage track grooves comprise a slag scraping track groove, a slag salvaging track groove and an oil filtering track groove. The adjusting baffle moves along the slag scraping track groove, the slag salvaging track groove and the oil filtering track groove, the walking path of the adjusting baffle is divided into a slag scraping stage, a slag salvaging stage and an oil filtering stage, and classified collection of scum and oil is automatically achieved.

The invention provides a double-injection-plane magnetic control injection electron gun. The double-injection-plane magnetic control injection electron gun comprises a focusing electrode, two strip-shaped cathodes, an anode and a magnetic field generation assembly. The focusing electrode comprises two inclined surfaces which extend in the Z-axis direction and are oppositely and obliquely arranged, the two strip-shaped cathodes are respectively arranged on the inclined surfaces of the focusing electrode in parallel, clockwise or anticlockwise rotating inclination is introduced on the inclined surfaces, and the cathodes are configured to respectively escape electrons after being heated; an electric field is formed between the anode and the two strip-shaped cathodes, so that escaped electrons are accelerated to form electron beams; the electron beam rotates under the action of the magnetic field generated by the magnetic field generation assembly so as to form two strip-shaped electron beams, and the included angle between the section, on the XY plane, of the motion trail of the two strip-shaped electron beams and the ZX plane is reduced.

The present invention relates to the field of vehicle battery boxes, and in particular, to a battery box locking device and a battery box system. The battery box locking device includes a bottom bracket and a locking assembly, the locking assembly includes a sliding drive unit, a transmission unit, a fixed frame and a clamping unit, and the first sliding guide module provided on the fixed frame includes a first guide section and a second guide section connected to each other. The sliding drive unit can drive the transmission unit to slide. The clamping unit is rotatably connected to the fixed frame via a rotating shaft, a second sliding guide module is provided on the clamping unit, and the transmission unit is slidably connected to the clamping unit via the second sliding guide module. The battery box system includes a battery box locking device and a battery box assembly, the battery box assembly includes a battery box body and a base, and the base is clamped between the clamping unit in the battery box locking device and the bottom bracket. In this way, the problem of poor locking effect of the battery box is solved.

The invention discloses application of an NLD gene in regulation and control of an included angle of corn leaves. According to the invention, a corn mutant el20 with a reduced leaf angle is obtained through mutant screening, and a gene NLD causing a mutant phenotype is positioned through a map-based cloning technology. The overexpression of the NLD gene can restore the leaf upright phenotype of el20. The NLD gene is edited by using a gene editing technology, so that rapid creation of the compact plant type corn is realized. The invention provides a novel method and a molecular module for cultivating compact plant type corn suitable for close planting.

The invention discloses an optical lens and electronic equipment. The optical lens sequentially comprises a first lens to a sixth lens from a first side to a second side along an optical axis. Wherein the focal power of the first lens is negative, and the focal power of the third lens is positive. The second side surface of the first lens is a concave surface; the first side surface of the second lens is a concave surface, and the second side surface is a convex surface; the first side surface of the third lens is a convex surface; the second side surface of the sixth lens is a concave surface. The fourth lens and the fifth lens are glued to form a glued lens; the positive and negative attributes of the symbols of the focal power of the fourth lens and the fifth lens are opposite. The optical lens satisfies 1.5 < = TTL / F < = 2.8, 0.25 < = F3 / F < = 1.7, d56 / TTL < = 0.025, 0.225 < = (d8 + d9) / TTL < = 0.4, and R5 / R6 < = 2.

The invention discloses aluminum alloy cable stranding equipment, and relates to the technical field of aluminum alloy cables, the aluminum alloy cable stranding equipment comprises a bottom supporting box, a stranding plate rack is arranged in the middle of the top surface of the bottom supporting box, and a stranding die frame is arranged at the position, corresponding to one side of the stranding plate rack, of the top surface of the bottom supporting box; a mounting round box is embedded in the middle of one end of the top face of the supporting box, a mounting top ring is fixedly mounted on the edge of the top end of the mounting round box, a round discharging disc is fixedly connected to the top end of the mounting top ring, and a mounting inner frame is fixedly connected to the bottom of the inner side of the mounting round box. According to the device, the aluminum alloy wires are effectively prevented from deviating and twisting in the advancing process, a small amount of twisting force applied to the aluminum alloy wires in the aluminum alloy coil paying-off process is removed through synchronous rotation of the placement top disc, and the situation that the twisting strength of aluminum alloy cables is reduced due to the small amount of twisting force left on the aluminum alloy single wires is avoided; and thus, the overall strength of the aluminum alloy cable stranded wire is effectively improved.

The invention relates to the technical field of power construction, in particular to a power transmission tower righting and reinforcing device which comprises a base and a hydraulic cylinder used for righting a main beam on the settling side of a tower body, and the bottom of the hydraulic cylinder is spherically hinged to the top face of the base; the side wall of the base and the other three main beams of the tower body are mutually dragged through a plurality of first mooring ropes; a first clamping plate and a second clamping plate are arranged on the main beam on the settling side of the tower body and the main beam opposite to the main beam respectively, the first clamping plate is spherically hinged to the output end of the hydraulic cylinder, and a second cable is detachably connected to the second clamping plate. The second cable sequentially bypasses a first fixed pulley fixed to the ground, a second fixed pulley fixed to the top face of the base and a third fixed pulley fixed to the first clamping plate and then is detachably connected to the top face of the base, and the first fixed pulley is arranged on the side, away from the base, of the tower body. Torsional stress borne by the main beam of the tower body in the righting process can be reduced, the damage probability of the main beam is reduced, and the stability of the tower body in the righting process is improved.

The present application discloses a satellite communication portable station, including a host, a parabolic antenna, a base and an adjustment bracket, wherein the vertex end of the parabolic antenna is fixedly connected to the host; the adjustment bracket is arranged between the base and the host, one end of the adjustment bracket is rotationally connected to the first end of the base, the other end is rotationally connected to the first end of the host, the second end of the host is rotationally connected to the second end of the base, and the adjustment bracket can be retracted to adjust the length; when the adjustment bracket is extended, the adjustment bracket, the base and the host form a triangular structure; when the adjustment bracket is shortened to the shortest, the adjustment bracket, the base and the host overlap. In this arrangement, the parabolic antenna is fixedly arranged on the host, and the host is respectively connected to the base and the adjustment bracket, with high integration and no need for disassembly and assembly. When stored, the host, the base and the adjustment bracket can be overlapped by adjusting the adjustment bracket to reduce the occupied space. When in use, the tilt angle of the host only needs to be adjusted by the adjustment bracket, avoiding the cumbersome installation process.

The invention provides a micro-channel evaporator, comprising: a micro-channel substrate, a bottom plate of which is provided with a plurality of parallel micro-channels; the bottom surface of the micro-channel substrate is used for being in contact with a heat source; the countercurrent suppression device is arranged above the micro-channel and seals the top surface of the micro-channel; the countercurrent suppression device comprises a plurality of groups of sub-runners, and the sub-runners are arranged in the working medium flowing direction of the micro-channel; an included angle between the flow-in direction of the initial end of the sub-channel and the working medium flow forward direction of the micro-channel is an obtuse angle; an included angle between the flowing-out direction of the tail end of the sub-channel and the working medium flowing forward direction of the micro-channel is an acute angle or zero degree; the starting ends and the tail ends of the sub-runners are positioned at the bottom ends of the sub-runners; and the starting ends and the tail ends of the same group of sub-channels are sequentially distributed along the working medium flowing forward direction of the micro-channel. According to the technical scheme, the reverse flow resistance is large, steam reverse flow of the micro-channel evaporator is restrained, a liquid-phase working medium stably flows in the forward direction, the channel density is not affected, and the heat transfer limit of the micro-channel evaporator is improved.

The invention relates to the technical field of dust collection equipment. The invention discloses a dust collecting device for indoor decoration and a using method thereof.The dust collecting device for indoor decoration comprises a moving vehicle, a driving box is arranged on the moving vehicle, a driving change assembly is arranged in the driving box, a synchronous assembly is arranged on one side of the driving change assembly, and two switching devices are symmetrically arranged on the driving change assembly; the two switching devices are arranged in a mirror image mode, one side of each switching device is provided with a trigger assembly, the two trigger assemblies are symmetrically located on the two sides of the driving box, and each switching device comprises a linkage assembly and a dust collection and cleaning assembly. By driving the change assembly and the switching device to work, dust in the air and on the ground can be collected and cleaned, meanwhile, the dust collection range can be widened, and the cleaning efficiency and practicability are greatly improved.

The present invention provides a wall-mounted air conditioner indoor unit and its air guide plate. The air guide plate includes an air guide plate body, which is used to be rotatably installed at the air outlet of the wall-mounted air conditioner indoor unit around an axis parallel to its own length direction; two wind-raising parts are arranged at intervals along the length direction of the air guide plate body, each wind-raising part protrudes from the first side surface of the air guide plate body facing upward when the air outlet is opened, and is configured to guide the supply air flow to gradually move away from the air guide plate body to flow obliquely upward when the supply air flow flows through the first side surface; and a plurality of guide ribs protruding from the first side surface, arranged at intervals between the two wind-raising parts along the length direction of the air guide plate body, and configured to guide the supply air flow to gradually deflect toward the two ends of the length direction of the air guide plate body. The air guide plate of the present invention has the function of realizing the upward blowing of the supply air flow and increasing the diffusion angle of the supply air flow in the left and right directions.

The invention provides a safety belt buckle auxiliary releasing device which comprises a support, a lever arm and a connecting shaft component, the support comprises a U-shaped or C-shaped support body and a support holding handle, and the support holding handle and the U-shaped or C-shaped support body are arranged at an angle of 90 degrees; the lever arm comprises a lever arm holding handle and an extension part which is arranged at an angle of 90 degrees with the lever arm holding handle; the support body comprises a support rotating shaft hole formed in the first side, connected with the support holding handle, of the support body, the extending part comprises a lever arm rotating shaft hole formed in the first end, connected with the lever holding handle, of the extending part, and the support and the lever arm are hinged at the positions of the support rotating shaft hole and the lever arm rotating shaft hole through a connecting shaft component. The second end, away from the first end of the extending part, of the extending part can enter the U-shaped or C-shaped space of the support body, and the second end of the extending part and the support holding handle are located on the same side of the first end of the extending part. The safety belt buckle auxiliary releasing device assists releasing of the safety belt buckle through the lever principle, a user can be protected, and the effect of releasing the safety belt buckle in a labor-saving mode is achieved.

The invention discloses a drilling tool for an automobile cross beam support in the technical field of automobile cross beam machining, and the drilling tool comprises a chassis which is a movable chassis; a clamping mechanism and a drilling mechanism are arranged on the chassis; the clamping mechanism is located on the front side of the upper portion of the chassis and used for automatically clamping the automobile cross beam and adjusting the automobile cross beam to the drilling position. The drilling mechanism is located above the clamping mechanism and used for drilling the clamped automobile cross beam in the drilling position. According to the device, the automobile cross beam is automatically clamped and conveyed to the drilling position through the clamping mechanism, then the automobile cross beam is automatically put down and loosened after drilling is completed, manual operation is not needed in the whole process, manpower can be effectively saved, and use is convenient.

This invention belongs to the field of marine photovoltaic anti-icing technology, and provides a detachable anti-icing structure and system for pile-based marine photovoltaic systems. It solves the technical problems existing in current anti-icing cone structures. The technical solution includes two semi-circular hoop assembly structures connected to the pile foundation by clamps. Each semi-circular hoop assembly structure includes an upper semi-circular hoop, a middle semi-circular hoop, and a lower semi-circular hoop. The upper, middle, and lower semi-circular hoops of each assembly structure are sequentially connected from top to bottom and fixed to the pile foundation. Each layer of semi-circular hoop is circumferentially spaced with several support plates. One end of each support plate is fixed to the surface of the semi-circular hoop, and the other end is fixed to an anti-icing vertical plate. All anti-icing vertical plates are fixedly connected by anti-icing horizontal plates. It utilizes the thickness and cross-section of the anti-icing vertical plates to contact the incoming ice, generating contact pressure through a small contact area that exceeds the compressive strength of the sea ice, crushing the sea ice at the contact point and causing brittle splitting.

The utility model discloses an automatic opening and closing interlocking mechanism for a grain unloading door, relates to the technical field of grain unloading doors, aims to solve the problems that the grain unloading door cannot be closed after a fruit bin body is reset, and the specification of the opening and closing interlocking mechanism is larger, and adopts the technical scheme that the automatic opening and closing interlocking mechanism comprises a fruit bin support frame, the fruit bin body and a lifting oil cylinder, a lifting oil cylinder is arranged on the fruit bin supporting frame, the two ends of the lifting oil cylinder are hinged to the fruit bin supporting frame and the fruit bin body respectively, a fruit bin upper cover is hinged to the left end of the top of the fruit bin body, and an opening and closing interlocking mechanism is arranged on the fruit bin upper cover; in the recycling process, the rotary supporting arm makes contact with the guiding piece, the rotary supporting arm moves towards the pull rod, the included angle between the rotary supporting arm and the pull rod is reduced, the pull rod pulls the grain unloading door to press the upper cover of the fruit bin downwards, automatic horizontal closing is achieved, and compared with the prior art, the device is small in size, stable in operation and free of derailing or colliding with a hydraulic hose of the lifting oil cylinder.

The utility model relates to the technical field of checking fixture carrying, and discloses a special trolley structure for checking fixture carrying. The special trolley structure for transporting the checking fixture comprises a trolley hopper, a handle is fixedly installed on the front side of the trolley hopper, a sponge hopper is fixedly installed in the trolley hopper, a base is fixedly installed at the bottom of the trolley hopper, a movable block is movably installed in the center of the base, and a damping rod is fixedly installed below the movable block. The damping rod rotates under the effect of the gravity of the testing fixture, the included angle between the damping rod and the bottom surface of the car hopper is reduced, the supporting spring is compressed, and the supporting spring continuously adjusts the angle and the contraction amount of the damping rod through the elastic force of the supporting spring during contraction when passing through a bumpy road surface, so that the crawler belt can be always in contact with the road surface. In addition, the damping rods can absorb force generated when the cart passes through a bumpy road surface, and therefore the influence of vibration on the cart hopper is reduced.

The invention relates to the technical field of mixing stirrers, in particular to equipment for improving the mixing uniformity of a mixed feed additive. Comprising a shell and supporting legs, a feeding port is formed in the top of the shell, a discharging port is formed in the bottom of the shell, a rotating shaft is rotationally installed in an inner cavity of the shell, and a fixing rod is fixedly installed on the outer wall of the rotating shaft; the crushing and stirring mechanism comprises a first movable plate, a second movable plate, a first spring and a second spring, the connecting positions of the first movable plate, the second movable plate and the fixed rod are mutually hinged, the first spring is arranged between the first movable plate and the fixed rod, and the second spring is arranged between the second movable plate and the fixed rod; a motor in transmission connection with the rotating shaft is mounted at one end of the left side of the shell. And feed can be crushed and mixed, and the mixing degree is guaranteed.

The present invention relates to the technical field of bridge welding construction, and specifically to a steel structure welding device and method for bridge construction, comprising a welding table, a bridge frame clamping mechanism, a lining rod clamping mechanism and a linkage adjustment structure; the bridge frame clamping mechanism is used to fix the upper and lower main beams of the bridge frame; the lining rod clamping mechanism is arranged at the upper end of the bridge frame clamping mechanism, the lining rod clamping mechanism comprises a second clamping assembly, the second clamping assembly comprises two clamping plates and a third driving structure, the third driving structure drives the two clamping plates to approach or move away from each other; there are two linkage adjustment structures, the two linkage adjustment structures are respectively arranged at the two ends of the lining rod clamping mechanism, and the linkage adjustment structure enables the position of the lining rod clamping mechanism to change with the operation of the bridge frame clamping mechanism; the present invention arranges the bridge frame clamping mechanism, the lining rod clamping mechanism and the linkage adjustment structure, so as to avoid manual adjustment of the position of the lining rod on the bridge frame.

The present invention discloses a derailleur for a bicycle, comprising a guide tensioning mechanism for guiding and tensioning a chain and a derailleur driving mechanism for driving the chain to switch back and forth, wherein the guide tensioning mechanism comprises a mounting frame, a guide sprocket and a tensioning wheel, wherein the guide sprocket and the tensioning wheel are both rotatably connected to the mounting frame; the derailleur driving mechanism is connected to a derailleur rope, and comprises a four-link structure, wherein the four-link structure comprises a frame, two connecting frame rods of equal length, and a connecting rod whose length is greater than the frame; the mounting frame is connected to the connecting rod of the four-link structure. The derailleur can gradually adjust its own posture when driving the derailleur, thereby reducing the matching angle of the chain, reducing the resistance and wear of riding, and improving the use experience.

The utility model relates to a conduction drying device for spinning in the spinning technology, which comprises a box body, a plurality of guide wheels are rotatably mounted in the box body, and through holes are formed in two sides of the box body; a plurality of hollow pipes which are parallel to one another are installed in the box body, and a drying mechanism which blows hot air into the hollow pipes at the same time is arranged on the rear side face of the box body; a lower extrusion roller is rotatably mounted on the inner wall, close to the through hole in one side, of the box body, a U-shaped block is mounted in the box body through a lifting mechanism, and an upper extrusion roller is rotatably mounted in the U-shaped block. Yarn penetrates through the hollow pipes, then hot air is blown into the hollow pipes through the drying mechanism, all faces of the yarn can be evenly dried in the process that the hot air circulates in the hollow pipes, and therefore the yarn drying uniformity is guaranteed, the drying effect is improved, the hot air circulates in the hollow pipes, and the drying effect is improved. The loss caused by diffusion around is reduced, and the drying efficiency is improved.

The invention provides a plasma generating device and a control method. The plasma generating device comprises a process cavity; the carrying table is used for carrying a substrate; the carrying platform is mounted at the bottom of the process cavity; the target material back plate is mounted at the top of the process cavity; a negative electrode of the direct-current power supply is connected with the target material back plate, and the direct-current power supply is used for outputting and applying a first negative high voltage Vnegative 1 to the target material back plate; the negative electrode of the controllable high-voltage power supply is connected with the high-voltage electrode plate, and the controllable high-voltage power supply is used for outputting and applying second negative high voltage V negative 2 to the high-voltage electrode plate; the first negative high voltage Vnegative 1 and the second negative high voltage Vnegative 2 are used for superposing to generate a high-voltage electric field on the surface of the target material; the controller is used for controlling the controllable high-voltage power supply to automatically adjust the second negative high voltage Vnegative 2 according to the voltage change of the first negative high voltage Vnegative 1; according to the invention, glow discharge of process gas is facilitated, and plasma formation is promoted; and the atom utilization rate and the step coverage rate of the hole filling process can be improved.

The winch with the walking mechanism comprises a winding drum, a base, a winding drum support and an installation platform, the base moves on the installation platform in a reciprocating mode, a fixed support is installed in the middle of the installation platform, a lead screw matched with a lead screw nut is installed on the fixed support in a rotating mode, and a driven chain wheel is installed at one end of the lead screw. A winding drum support is installed at the top end of the base, a bearing seat is installed on one side of the winding drum support, the winding drum is installed on the bearing seat, a driving chain wheel is installed at one end of the winding drum, and the driving chain wheel and a driven chain wheel are connected through a chain. A motor is installed on the other side of the winding drum support and drives the winding drum to rotate through a planetary gearbox. According to the utility model, when the winch works, the winding drum part of the winch can correspondingly and axially move along with the winding and unwinding of the steel wire rope on the winding drum, so that the relative position of the steel wire rope is not changed.

The utility model belongs to the technical field of genetic material extraction appliance, concretely relates to special centrifugal tube suit of south American white prawn nucleic acid extraction, including the pipe body, the top threaded connection of pipe body has the pipe cap, the position department of pipe body outer wall is close to the fixed setting of mounting ring of top, the outer wall of pipe cap is below the sliding ring of mounting ring and is connected with the damping sliding, the position department of mounting ring bottom close to the outside edge is hinged with four upper articulated rods at equal intervals, the top of sliding ring is hinged with the lower articulated rod of corresponding position of upper articulated rod, and the corresponding upper articulated rod is hinged with the lower articulated rod between setting articulated assembly. The utility model places the pipe body on the test tube rack through the amplitude of the lower articulated rod and the upper articulated rod protruding from the outside of the pipe body to support the pipe body, so that the pipe body can be adapted to different diameter types of test tube racks, increase the types of centrifugal tubes that can be adapted to test tube racks, facilitate the use of centrifugal tubes, and at the same time, reduce the types of test tube racks that need to be purchased, and reduce the cost of purchasing test tube racks.

This application discloses an electronically controlled moving chainring mechanism, a shifting system, and a bicycle. The bottom bracket is installed in a cylinder body and is fixed circumferentially to the bushing. The piston is detachably connected to the bushing. When the pedal drives the bottom bracket to rotate, the bottom bracket drives the bushing to rotate, which in turn drives the chainring to rotate. When the freewheel shifts gears, the electronically controlled drive mechanism can actively drive the piston to move axially, and drive the bushing and chainring to adjust their positions synchronously, thereby reducing the angle between the chain, chainring, and freewheel, and improving riding efficiency. Furthermore, the reduced angle expands the meshing range between the chain and the teeth, reducing chain slippage, asymmetrical wear, and axial stress, lowering the risk of tooth deformation, and extending the service life of components. Compared to the traditional passive adjustment method of the chain driving the chainring, this embodiment actively controls the chainring movement through an electronically controlled drive mechanism, resulting in smoother and more precise chainring movement, avoiding jamming, and ensuring stable positioning after reaching the correct position, thus improving riding stability.

The utility model provides a hip joint supporting device which aims at solving the technical problem that existing equipment is not beneficial to movement of a patient. The supporting device comprises two supporting plates, the middle of each supporting plate is provided with a movable part of a hollow structure, and one end of each supporting plate is provided with a movable hole communicated with the corresponding movable part; the two supporting rods correspond to the two supporting plates respectively, one ends of the supporting rods penetrate into the movable parts from movable holes in the supporting plates, the two ends of the connecting block are hinged to the ends, located outside the supporting plates, of the two supporting rods respectively, and the two ends of the connecting block are each provided with a positioning rod; the limiting block is arranged on the supporting rod, and a proximity switch which can be triggered by the positioning rod is arranged on the limiting block; the two springs are arranged on the two supporting rods in a sleeving mode, located in the movable part and used for driving the supporting rods to contract towards the interior of the supporting plate; and the alarm is arranged on one supporting plate. The supporting device has the advantage of being capable of well moving along with the joints of the patient.

The present invention relates to the field of civil construction technology, and in particular to a civil construction support device, the civil construction support device comprises a plurality of support plates, the plurality of support plates are arranged in groups of two, and the two support plates in the same group are parallel and spaced apart; a support mechanism is arranged between the two support plates in the same group, the support mechanism comprises a threaded sleeve, a pushing portion and two first elastic members, the two ends of the threaded sleeve are symmetrical and two pitch-adjusting screws are threadedly inserted, and the rotation directions of the thread structures on the two pitch-adjusting screws are opposite; two fixed seats are symmetrically and fixedly arranged on two plate surfaces close to each other of the two support plates in the same group, one end of the pitch-adjusting screw away from the threaded sleeve is hinged on the fixed seat, and the hinged end of the pitch-adjusting screw is connected to the fixed seat through the first elastic member, and the pushing portion is used to drive the two support plates in the same group to move away from each other when the threaded sleeve is gradually tilted, so as to compensate for the change in the spacing between the two support plates in the same group due to the change in relative height.

The application discloses an optical system, which comprises a first lens group, a second lens and a third lens in sequence from a first side to a second side along an optical axis, wherein the first lens group comprises a reflective polarizing element, a quarter-wave plate and a first lens in sequence from the first side to the second side, the second side of the reflective polarizing element is attached to the first side of the quarter-wave plate, the second side of the quarter-wave plate is attached to the first side of the first lens, at least one of the first side and the second side of the first lens, the first side and the second side of the second lens is provided with a partial reflection layer, the first side of the first lens is a concave surface, the second side of the first lens is a convex surface, the second side of the second lens is a convex surface, and the curvature radius R1 of the first side of the first lens and the curvature radius R4 of the second side of the second lens satisfy 0 < R1 / R4 < 2.

The invention relates to the technical field of drug detection devices, and discloses a drug positioning and photographing device suitable for drug sensitivity detection.The drug positioning and photographing device comprises a rectangular box, supporting legs fixedly installed at the bottom of the rectangular box and a detection assembly arranged in the rectangular box, and the detection assembly comprises a conveying mechanism fixedly installed in the rectangular box; the conveying mechanism comprises a motor fixedly installed on the outer wall of the rectangular box, a lead screw is fixedly installed at the output end of the motor, the other end of the lead screw is rotationally connected with the inner wall of the rectangular box, the outer wall of the lead screw is in threaded connection with a sleeving block, and the bottom of the sleeving block is slidably connected with the bottom of the inner wall of the rectangular box. The top of the sleeving block is rotationally connected with a rotating rod through a bearing, and the conveying mechanism is arranged, and the sleeving block moves, so that the gear is engaged with the rack, the gear and the rotating rod are driven to drive the observation plate to rotate, and the detection position of the medicine is adjusted.

The present invention provides a wall-mounted air conditioner indoor unit and its wind guide plate. The wind guide plate includes a wind guide plate body, which is used to be installed at the air outlet of the wall-mounted air conditioner indoor unit; and a plurality of wind-raising parts, each of which is protrudingly arranged on the first side of the wind guide plate body to define a drainage channel with the first side, and the outlet of the drainage channel is formed on the side facing the first end of the wind guide plate body, and the wind guide plate body is formed with a plurality of drainage ports that penetrate its two sides, each drainage port is connected to a drainage channel, and each wind-raising part is configured to: when the wind guide plate is in a position with the first side facing upward and the first end facing forward, the air supply airflow changes the airflow direction when flowing through the wind-raising part, and forms a negative pressure at the first side, so as to drive the ambient air on the other side of the wind guide plate body to merge into the air supply airflow through the drainage port and the drainage channel in sequence. The wind guide plate of the present invention has an air guiding function and a drainage and mixing air function, so as to make the air supply airflow more comfortable.