107results about How to "Undisturbed" patented technology

This invention relates to a processing method for soft and tender abalone with a soft, glutinous texture, comprising the following steps: S1, pre-treating fresh abalone to obtain pre-treated abalone meat; S2, placing the pre-treated abalone meat under hot air conditions, first heating it to a first temperature and holding it at that temperature, then raising the temperature to a second temperature and holding it at that temperature, to obtain enzyme-inactivated abalone meat; the first temperature does not exceed 55°C, and the second temperature is at least 10°C higher than the first temperature; S3, enzymatically hydrolyzing the enzyme-inactivated abalone meat with a protease, and after inspection and packaging, obtaining soft and glutinous abalone with a soft, glutinous texture. This invention, through gradient temperature inactivation of enzymes and three-parameter synergistic regulation of enzymatic hydrolysis, produces soft and glutinous abalone with a sticky adductor muscle adhesiveness >25N, a soft, glutinous texture uniformity >90%, and a 100% success rate in achieving the desired soft and glutinous texture. The method of this invention is simple and can achieve large-scale and continuous production. It is suitable for the industrial processing of high-end ready-to-eat soft-boiled abalone, pre-cooked soft-boiled abalone, and other products, significantly improving the added value and market competitiveness of abalone products.

The invention discloses a pneumatic muscle driving joint force position control method and device based on fuzzy admittance and a medium. According to the method, firstly, through dynamic adjustment of the fuzzy admittance model, accurate cooperative control over the joint position and the output force is effectively achieved; secondly, the self-adaptive capacity of the system to external disturbance is enhanced by monitoring the influence of the external disturbance on the joints in real time; and the fuzzy admittance model dynamically adjusts admittance parameters according to the data, so that the control requirements of force and position are balanced, and the system can still maintain a predetermined control effect under a disturbance condition. Finally, through closed-loop feedback control, in combination with real-time monitoring data and an expected control instruction, admittance parameters are continuously adjusted, and the stability and robustness of the system in a complex dynamic environment are enhanced.

The invention relates to the field of automatic conveying, in particular to C-shaped lining conveying and detecting equipment which comprises a friction type self-adaptive rotating device, a T-shaped screening and conveying device and a first flexible internal expansion material moving mechanical arm. The friction type self-adaptive turning device drives the C-shaped bushing to rotate by utilizing friction force, and uniformly adjusts the opening direction of the C-shaped bushing to a preset angle; the first flexible internal expansion material moving manipulator is used for transferring the C-shaped bushings between the friction type self-adaptive rotating device and the T-shaped screening and conveying device and grabbing the inner walls of the C-shaped bushings in an internal expansion manner; and the T-shaped screening and conveying device is used for receiving the C-shaped bushings and removing the C-shaped bushings with incorrect opening directions by utilizing a profiling structure of the T-shaped screening and conveying device. The friction type self-adaptive turning device is used for replacing expensive machine vision equipment, the cost is low, interference of greasy dirt and light rays is avoided, and the adaptability is high; and meanwhile, by means of the physical profiling design of the T-shaped screening and conveying device, error correction and rejection of wrong opening directions are achieved, and accurate feeding is ensured.

The embedded wireless sensing test wafer is characterized in that the embedded wireless sensing test wafer comprises an upper silicon wafer, a lower silicon wafer and a circuit board, the upper silicon wafer and the lower silicon wafer are clamped on the two sides of the circuit board, the surfaces, facing the circuit board, of the upper silicon wafer and the lower silicon wafer are subjected to laser engraving or mechanical fine carving to form containing grooves, and the circuit board is embedded in the containing grooves; the thickness of the upper silicon wafer is 0.7-0.9 mm, the thickness of the lower silicon wafer is 0.3-0.4 mm, and the overall total thickness of the upper silicon wafer and the lower silicon wafer clamping the circuit board is smaller than or equal to 1.2 mm. The thickness similar to that of an actually produced wafer is realized, the authenticity of measurement is improved, the internal stress of the wafer is effectively eliminated by the heat treatment process, the reliability of a product is improved, the service life of the product is prolonged, the risk of processing fragments is reduced by the overall processing process, and the production cost is reduced.

The invention relates to the field of pipe body valve core sealing performance detection, and provides a pipe body interface positive pressure sealing performance detection device comprising an air inlet joint which is in butt joint with a pipe body joint, is provided with an air inlet, and is internally provided with a first flow channel and a second flow channel which are respectively communicated with a first flow channel hole and a second flow channel hole; a flow separation valve element is movably arranged in the air inlet connector, and in the air inlet process, along with the increase of the air pressure in the air inlet connector, after the first valve element is opened and before the second valve element is opened, the flow separation valve element can move to cut off the first flow channel so as to cut off the flow channel between the air inlet and the first flow channel hole; the air pressure detection module is connected with the air inlet connector and used for detecting the air pressure between the air inlet connector and the pipe body connector. The working efficiency of detecting the sealing performance of the secondary sealing valve element can be improved.

The invention discloses a chip continuous extraction device for a dry etching machine, and belongs to the technical field of semiconductor manufacturing equipment. Comprising a magnetic levitation conveying mechanism and a cleaning module, the magnetic levitation conveying mechanism comprises a track base plate, a motor stator module and a magnetic levitation and air floatation supporting plate, the motor stator module is arranged in the track base plate, the magnetic levitation and air floatation supporting plate is located above the motor stator module, and a limiting ring is arranged on the edge of the magnetic levitation and air floatation supporting plate; a multi-cavity air path structure is arranged in the magnetic suspension air floatation supporting plate, a permanent magnet array is arranged at the bottom of the magnetic suspension air floatation supporting plate, air floatation micropores are formed in the upper surface of the magnetic suspension air floatation supporting plate, and the cleaning module comprises an air supply module and an air return module. According to the invention, continuous and uninterrupted assembly line type extraction and on-line processing of chips from an etching machine to downstream equipment are realized, and the production efficiency, the positioning precision and the cleanliness are remarkably improved.

The invention discloses a sulfydryl-functionalized high-performance chitosan homogeneous membrane which is prepared by taking chitosan and polyvinyl alcohol as substrates, L-cysteine as a modifier and tris (2-carboxyethyl) phosphine hydrochloride as a reducing agent through a non-solvent induced phase inversion method. Therefore, the inventor also establishes a preparation method of the chitosan homogeneous membrane as a binding phase of a thin film diffusion gradient technology. Finally, the thin film material with high adsorption capacity and rapid adsorption on mercury is innovatively prepared, and the DGT device taking the thin film material as a binding phase can rapidly, highly selectively and stably enrich mercury in a water body and is not interfered by other heavy metal ions; the technical problem that a biological membrane grows on the surface of a traditional DGT device due to long-time enrichment to interfere with accurate determination of mercury is successfully solved, the DGT technology is expanded to the field of complex determination of the concentration of trace Hg (II) in water, and the purpose of efficient, rapid and accurate determination is achieved.

This utility model discloses a convenient three-way valve for easy assembly and disassembly in the field of pipeline valve devices. It includes a valve mounting seat, a valve body, and a drive mechanism. The valve mounting seat has an opening in the middle, with three inner mounting bevels inside the opening. The valve body has corresponding outer mounting bevels on each of the three inner mounting bevels. The valve body has three connecting passages separated by a valve core, each extending from an inner mounting bevel into the valve body. The valve body is fitted into the opening, with the outer mounting bevels pressing against the inner mounting bevels. The three connecting passages within the valve body are sealed to the inner ports. The drive mechanism is mounted on the valve body and driven by the valve core, controlling the position of the valve core to open and close the three connecting passages. When maintenance or replacement is required, the cover plate of this three-way valve can be directly opened, and the valve body removed from the valve mounting seat without needing to chisel through the wall, maintaining the aesthetics and overall consistency of the wall. It is suitable for use in household and other applications involving in-wall pipe connections and conversions.

The application discloses a wave energy power generation device, and belongs to the technical field of wave energy power generation.The device comprises a floating ball shell for floating on the water surface, a wave sail assembly, a power generation assembly arranged in the floating ball shell, and a locking assembly arranged between the floating ball shell and the wave sail unit.The wave sail assembly comprises a plurality of wave sail units arranged around the center plane of the floating ball shell, and the wave sail units are hinged to the floating ball shell.The power generation assembly comprises a plurality of power generation units arranged along the radial direction of the floating ball shell, a heavy ball arranged at the center of the floating ball shell, and a cable.The heavy ball is connected to the plurality of power generation units through the cable, and the heavy ball can be driven by force from different directions to generate power for the corresponding power generation units.The locking assembly can lock the wave sail units on the wave-encountering side to receive the wave energy to the maximum extent.The device can reduce the resistance of the side wings, reduce the loss of wave energy, collect energy from different directions, and improve the utilization rate of wave energy.

The utility model discloses a ventilation module of a tank container and the tank container, comprising a ventilation pipe connected to a ventilation port of the tank container; the ventilation head is arranged at one end, far away from the ventilation opening, of the ventilation pipe; the ventilation head is provided with a head pipe body connected with the ventilation pipe, a cover body covering the upper end of the head pipe body and a filter screen located in the head pipe body. The cover body is provided with an upwarp part located on the periphery, and a ventilation opening is formed between the upwarp part and the head pipe body. When the volume of an oil product in the tank box changes, air can enter and exit from the tank box through the vent pipe via the vent hole of the vent head, so that the balance of air pressure inside and outside the tank box is effectively maintained, and the problems of tank box deformation, difficult oil inlet or unsmooth oil outlet caused by abnormal air pressure are avoided; and safe and stable operation of the tank is ensured. The filter screen is arranged in the ventilation head, dust, impurities and other particles in air can be filtered out in the process that the air enters and exits the tank box, the particles are prevented from entering the tank box to pollute oil products, the quality of the oil products is guaranteed, and the impurities are prevented from damaging oiling equipment and oiled machinery.

The invention discloses a TBM double-track tunnel trackless transportation cross-line bypassing cushion layer rapid construction method, and belongs to the technical field of tunnel construction. According to the method, a construction area is divided into a plurality of construction sections in the longitudinal direction of a tunnel, construction and transport vehicle framing and side alternate operation is organized, and parallel cushion layer pouring and trackless transport are achieved; the method comprises the following steps of: performing radar detection and scabbling treatment on the top surface of an inverted arch block during construction preparation; installing a steel plate water stop belt, and penetrating through the ground beam and the drainage blind pipe; a detachable steel pipe is adopted for shaping and constructing a cushion drainage ditch; after a reinforcing mesh is laid, concrete pouring, multi-pass surface finishing, steam and heat preservation curing and temperature and humidity monitoring are conducted; by optimizing the construction organization and technology, the problems that transportation is interrupted, the construction period is long and cracking is prone to occurring in a traditional method are solved, efficient, high-quality and low-interference cushion layer construction is achieved, optimal construction parameters can be scientifically screened by setting a contrast test section, and adaptability is high.

The utility model discloses a support vertical rod verticality detection apparatus, comprising a plumb bob assembly installed at an upper position of a support vertical rod and a detection assembly installed at a lower position of the support vertical rod when in use, the plumb bob assembly can be controlled to freely release or recover a plumb bob downwards, and is provided with a calibrated release point; the detection assembly is provided with a perpendicularity calibration point, and the release point and the perpendicularity calibration point vertically correspond to each other in position and are equal in distance from the supporting vertical rod. According to the utility model, the rapid installation of the detection device can be ensured, the verticality of the supporting vertical rod can be rapidly measured, the detection efficiency of the verticality of the supporting vertical rod can be improved, the detection device is convenient to carry by a worker, the construction time and the labor intensity of the construction worker are reduced, the detection device is convenient to carry by the construction worker, and the overall construction efficiency is improved.

The invention discloses a TDLAS (Tunable Diode Laser Absorption Spectroscopy) analyzer for H2O2 gas, and belongs to the technical field of gas concentration detection. In the H2O2 gas TDLAS analyzer, the inner surface of the gas path system in contact with H2O2 gas is subjected to inert treatment to form a chemical inert layer, so that the gas adsorption loss can be effectively inhibited; the optical path system is arranged in the heat preservation case, a stable physical environment is provided for TDLAS measurement, an instrument is almost not interfered by the field environment, and the long-term drift is extremely small; the laser driving module adopts a composite current source architecture and comprises an operational amplifier serving as an error amplification stage and a push-pull circuit serving as an output stage, so that the stability problem under high-current and high-frequency modulation is fundamentally solved, nearly ideal light source modulation signals are provided for TDLAS detection, and a basis is provided for high-precision harmonic detection. According to the invention, high-performance driving, enhanced protection and precise environment control are deeply coupled, and the precision, stability and reliability of H2O2 gas detection are effectively improved.

The strawberry grading cleaning device comprises a cleaning machine and a buffering belt, the buffering belt is arranged at the bottom end of a discharging port of the cleaning machine, supporting plates are fixed to the two sides of the bottom end of the buffering belt, cleaning pieces are arranged on the inner sides of the supporting plates, vertical rods are fixed to the two sides of the bottom end of the buffering belt, and the vertical rods are arranged on the bottom end of the buffering belt. The outer wall of the vertical rod is sleeved with a spring, the top end of the spring is connected with the bottom end of the buffer strip, the bottom end of the outer wall of the vertical rod is sleeved with a sleeve, the top end of the sleeve is connected with the bottom end of the spring, an auxiliary part is arranged on the inner side of the sleeve, and a supporting seat is fixed to the inner side of the auxiliary part. A clamping groove is formed in the top end of the supporting base. The cleaning pieces are arranged on the inner sides of the supporting plates on the two sides of the bottom end of the buffer strip, the cleaning ends of the scraping plates are always attached to the surface of the buffer strip through the scraping plates and the torsion springs on the rotating blocks, and juice and impurities adhering to the buffer strip due to strawberry damage can be effectively cleaned in time.

The present application relates to a kind of direct current-direct current converters, comprising: first capacitor;First switch, second switch, third switch and fourth switch, which are connected in series between the first electrode and the second electrode of first capacitor;Second capacitor, which is connected to the connection node of first switch and second switch and the connection node of third switch and fourth switch;Inductance, which is connected to the connection node of second switch and third switch;And controller, which performs pulse width modulation control.In the event of a failure of second capacitor, based on the comparison result between the first detection voltage measured as output voltage and the target output voltage of direct current-direct current converter, the direct current-direct current converter performs pulse width modulation control, so that first switch and second switch enter the same state and third switch and fourth switch enter the same state.

The application discloses a FBG type wearable fingertip three-dimensional force sensor for traditional Chinese medicine and a three-dimensional force measuring method, and the sensor comprises a fingertip, an elastic body, a fixed finger sleeve and a plurality of optical fibers; the fingertip is a force collector of the FBG type wearable fingertip three-dimensional force sensor for traditional Chinese medicine; the first end of the elastic body is connected with the fingertip, receives the force transmitted by the fingertip and generates deformation; the second end of the elastic body is connected with the fixed finger sleeve and is used for wearing on a finger; the plurality of optical fibers are uniformly arranged on the elastic body and generate deformation in X, Y and Z directions under the deformation of the elastic body, so that the three-dimensional force of the fingertip is obtained. The sensor adopts the FBG, no current passes through the optical fiber, and no electrical connection is needed; the force sensing system is not disturbed by electric noise and electromagnetic interference; the sensing element has small size and light weight, high precision, zero drift, wide frequency response and good high-temperature performance.

This utility model discloses a multilayer chip common-mode inductor, relating to the field of electronic devices. It includes a protective housing with electrode terminals inserted into its left and right sides. Multiple first ceramic plates are installed between a pair of upper and lower protective housings, and second ceramic plates are positioned between the first ceramic plates. After the multiple first ceramic plates are stacked, protrusions are inserted into corresponding positioning slots. Arc protrusions at corresponding heights engage with anti-detachment slots on the positioning ceramic plates, preventing the multiple first ceramic plates from detaching. Multiple C-shaped coil traces are installed in mounting slots, and connecting posts are installed in clearance holes, maintaining the multiple C-shaped coil traces in a staggered, symmetrical stack, saving space and preventing interference between them. After sintering, the multiple first and second ceramic plates form a single unit, jointly protecting the internal C-shaped coil traces. This design prevents misalignment during pre-sintering movement, which could affect the quality of the common-mode inductor.

This invention discloses an integrated intelligent server rack system for data centers, relating to the field of data center technology. To address the problems existing in current technologies, the system specifically includes multiple server racks and an internal private network. Each server rack contains an intelligent control manager for monitoring its operational status, power supply equipment, cooling equipment, and multiple servers. The system has a two-tiered organizational structure consisting of an upper-layer framework and a lower-layer framework. Each server is connected to an external public network via a network cable and also to the internal private network via a network cable, managed and controlled by the intelligent control manager. The power supply equipment integrates a main power supply, a backup power supply, and a dual-input intelligent switching switch. By introducing an intelligent control manager and an internal private network, this invention achieves intelligent supervision, management, and control of all server racks and servers within the data center, improving the security, management efficiency, and operational efficiency of the data center.

The utility model discloses a coffee machine, coffee powder connects powder device, apply to coffee machine technical field, include: weighing assembly (5), weighing assembly (5) is used for the weighing of coffee powder, hammering component (1), hammering component (1) is used for the compaction of coffee powder, hopper (3), the hopper (3) is equipped with the cavity of holding coffee powder, the powder ring (2), one end of powder ring (2) with hammering component (1) is equipped with the butt -joint overlapping portion, when falling powder, the other end of powder ring (2) with hopper (3) has the gap, when pressing powder, the other end of powder ring (2) with hopper (3) abuts. Make falling powder and the whole process of pressing powder can reduce the powder body splash, eliminate powder body outer escape hidden danger.

Disclosed is a method for processing the splash product of femtosecond laser ablation of metal, which comprises the following steps: spraying a metal on a glass sheet to form a metal spraying surface i The test is carried out under different conditions of the distance between the sample surface, and the splashes are collected; the morphology and distribution of the collected splashes on the three glass sheets are observed under a high-resolution SEM, and the number and distribution of Si elements and Mi metal main elements are analyzed by using an EDS element area scanning method; the number and distribution information of the laser ablation splashes of the Mi sample collected on the glass sheet are obtained; the divergence angle β of the laser ablation spray beam is determined; the number SUM of the collected metal splashes is determined; and the particle size distribution N(μ,σ) of the collected metal splashes is determined. The method can effectively collect the splashes generated in the process of femtosecond laser ablation of refractory metal, analyze the distribution characteristics, is simple to collect, can obtain much information, and has high analysis precision.

The present application relates to the field of hollow detection, in particular to a kind of outer wall hollow ceramic tile detection device, the present application includes unmanned aerial vehicle body, unmanned aerial vehicle body bottom is fixedly connected with infrared imaging component;Unmanned aerial vehicle body bottom is fixedly connected with blow gun assembly, blow gun assembly is used to output normal temperature airflow and hot airflow, the airflow output port of blow gun assembly is equipped with blow nozzle assembly, blow nozzle assembly includes concentration nozzle, diffusion nozzle and driver, driver is used to drive concentration nozzle, diffusion nozzle and blow gun assembly airflow output port pairing, concentration nozzle is used to converge fluid, diffusion nozzle is used to uniformly diffuse fluid;Blow gun assembly is used to utilize concentration nozzle to output normal temperature airflow and locally lower the temperature of ceramic tile surface, blow gun assembly is also used to utilize diffusion nozzle to output hot airflow and uniformly heat ceramic tile.Using the technical scheme of the present application, the interference of uneven environmental warming on the detection result under natural conditions can be reduced.

The application relates to the technical field of building contour extraction, and discloses a building roof contour extraction method and device, electronic equipment and a storage medium, the method comprising the following steps: extracting a building boundary from an optical remote sensing image, and extracting a building vector frame from a vector map; performing global search in an initial search space by using a normalized cross-correlation similarity measure, performing template matching, and preliminarily positioning a building roof contour; calculating a global offset main direction angle, setting an angle tolerance, taking the global offset main direction angle as a central axis, taking the angle tolerance as a half width, generating a sector search space, performing local optimization in the sector search space by using the normalized cross-correlation similarity measure, performing template matching, iteratively adjusting the angle tolerance, converging the sector search space, repeatedly performing template matching, and obtaining a final building roof contour. The application carries out hierarchical matching from global search to local optimization, uses the normalized cross-correlation similarity measure template matching, and realizes building roof contour extraction.

The utility model relates to the technical field of medical equipment, and discloses an ultra-precision medical equipment part clamping device, which comprises a base, a clamping mechanism and a clamping mechanism, the top of the base is fixedly connected with a supporting shell, a sliding groove is formed in the base, the clamping mechanism comprises a servo motor fixedly connected to the inner wall of the bottom of the base, and the servo motor is connected with the supporting shell. The output end of the servo motor is fixedly connected with a protruding shaft, and a limiting column is arranged outside the protruding shaft. The buffer structure comprises a fixed shell fixedly connected to the inner wall of the bottom of the base, the servo motor drives the convex shaft to rotate, the sliding sleeve is driven to rotate, the movable rotating disc is made to rotate, finally, the limiting columns clamp parts, and therefore the beneficial effect that the ultra-precise medical equipment parts are accurately and stably clamped is achieved; by means of the accurate and stable clamping, it can be guaranteed that the parts cannot move or shake in the machining, detecting or assembling process, and the accuracy of related operation is guaranteed.

The invention relates to the field of enzyme inhibitor screening methods, and discloses a sialidase inhibitor time-resolved fluorescence screening method based on a thermally activated delayed fluorescence probe, the sialidase inhibitor time-resolved fluorescence screening method comprises a first reaction solution, a second reaction solution and a diluent, the first reaction solution is a sialidase stock solution, the second reaction solution is a DMSO solution of the probe, and the diluent is a DMSO solution of the probe. The diluent is a sodium acetate solution with the pH value of 5.0. After the probe reacts with sialidase, the fluorescence intensity can be remarkably enhanced, and microsecond-level fluorescence lifetime is accompanied. If the system contains the sialidase inhibitor, the fluorescence intensity signal is reduced, but the fluorescence lifetime is still long. Therefore, by setting the gating time of fluorescence signal acquisition, the interference of short-life strong fluorescence signals brought by the to-be-screened drugs can be eliminated, and then time-resolved fluorescence screening is realized. The method is simple and rapid, the probe molecules do not contain lanthanide elements, the cost is low, the toxicity is avoided, the interference of short-life strong fluorescence signals can be avoided, the false positive rate is low, the accuracy rate is high, and the applicability is wide.

This invention relates to the field of plasma spraying, and more particularly to a method and apparatus for localized precision spraying in plasma spraying. The technical solution is as follows: For forming a coating on a target area of ​​a workpiece, it includes the following steps: Step 1: Enclosing and positioning. Based on the shape and size of the area to be sprayed on the workpiece, a surrounding ring with a matching inner diameter is selected. The surrounding ring is installed on a fixed ring, and the surrounding layer of the surrounding ring is tightly fitted to the workpiece surface so that the spraying space only covers the target area. This invention, through replaceable surrounding rings, can customize the enclosing of local areas of workpieces of different sizes and shapes, ensuring that the spraying operation only acts on the target area, avoiding waste of coating material and contamination of non-target areas of the substrate, achieving localized precision spraying. The heat-resistant ceramic surrounding layer and the ceramic ring form a thermal barrier during the spraying process.

This utility model relates to a food processing machine, which includes a main unit, a cup body, a pulverizing device, and a geomagnetic detection device. The geomagnetic detection device is located off-center from the center of the pulverizing blade. The projections of the driven magnets on the horizontal plane do not cover the first and second detection magnets, and the projections of the first and second detection magnets on the horizontal plane do not cover the geomagnetic detection device. The device detects the three-coordinate magnetic field vector resulting from the superposition of the first and second detection magnets, determining whether the pulverizing device is properly installed at the bottom of the cup body. This utility model effectively prevents the pulverizing device from starting if it is not properly positioned, which could lead to the pulverizing blades tilting severely and impacting the inner wall of the cup, or causing the slurry inside the cup to splash.

The application relates to the technical field of fastener assembly detection, in particular to a gasket type pressure sensor which comprises a gasket body, a pressure sensing element, a signal processing module and an energy supply module; the gasket body is similar in shape to a conventional gasket, and a sealing groove is arranged in the gasket body; the pressure sensing element is arranged in the sealing groove and is used for collecting pressure signals generated in the screw fastening process and converting the pressure signals into electric signals; the signal processing module is electrically connected with the pressure sensing element, is arranged in the sealing groove or is arranged at the edge or external position of the gasket body through a wire and is used for amplifying, filtering and analog-digital converting the electric signals. The gasket body is similar in shape to a conventional gasket, can directly replace a traditional gasket and is embedded between screws and connecting workpieces of various specifications, the existing assembly structure does not need to be changed, and no additional installation space needs to be reserved, so that the gasket is suitable for narrow spaces and precise assembly scenes.

The application discloses a laser scanning projection synchronous signal correction device and method, which comprises a controller, a first synchronous signal line and a second synchronous signal line; a laser scanning projection device, which comprises a scanning galvanometer and a light outlet; the scanning galvanometer is connected with the second synchronous signal line and changes different angle light beams under the control of the controller and projects out from the light outlet; and an optical sensing device, which comprises a beam splitter, a lens group and a linear sensor; the beam splitter is arranged corresponding to the light outlet of the laser scanning projection device; the beam splitter reflects the light beam of the light outlet and reflects it to the lens group; the lens group focuses the light beam and focuses it to the linear sensor; when the linear sensor detects the focused light beam, it outputs a signal Opt-Sync to the controller through the first synchronous signal line; and the controller outputs a synchronous signal to the scanning galvanometer.

The utility model discloses a storage device for guaranteeing essential oil quality, which comprises a tank body and a tank cover, an inner container for storing essential oil is arranged in the tank body, the top of the inner container is provided with an opening, a sealing cavity is formed between the inner container and the tank body, inert gas is filled in the sealing cavity, and the tank cover is provided with a silica gel sealing plug which is tightly matched with the opening of the inner container. A shading layer formed by multiple layers of composite materials is arranged on the outer wall of the tank body, and the shading layer comprises an aluminum foil layer located on the outer layer, a fiber reinforcement layer located on the middle layer and an EVA layer located on the inner layer. According to the essential oil storage device, the sealing structure is optimized, the anti-oxidation function is added, and the shading design is adopted, so that the stable quality of essential oil in the storage process can be ensured, and the problems that the existing essential oil storage device is poor in sealing performance, poor in shading effect, easy to oxidize and the like are effectively solved.

The application discloses a kind of phase correction method and system for structured light stripe profile projection, when boundary is identified, including the process of twice boundary identification, edge extraction is carried out by gray scale chart in initial boundary identification, in the second boundary identification, edge information extraction is carried out by phase calculation, boundary is identified by gray scale chart and phase diagram two directions, improve the accuracy of boundary identification, further the result of twice boundary identification is fused, so that the phase of stable area is not disturbed by jump pixel, ensure the accuracy of boundary division, based on the region after division, filtering processing is carried out to stable area, reduce the loss of feature information, provide reference information for the correction of unstable area, reduce error transmission, when the unstable area is compensated for error with stable area as reference, phase noise can be reduced, so as to reduce point cloud noise and improve precision.