17800results about How to "Reduce volume" patented technology

The invention relates to the technical field of drying equipment, in particular to clothing cloth drying equipment. The clothing cloth drying equipment comprises a box body, a discharging shaft for discharging cloths, a drying module, an ironing module, an air-drying module, a rolling shaft for rolling the cloths and a controller. The top of the left side of the box body is provided with a storinghole for storing the cloths, a damping piece mounted at the bottom of the box body is arranged under the storing hole, and the discharging shaft is vertically mounted on the damping piece. The dryingmodule is used for drying the cloths, the ironing module is used for ironing the cloths, and the air-drying module is used for air-drying the ironed cloths. The rolling shaft is located on the rightside of the air-drying module, a material taking hole for taking out the cloths is formed in the top of the box body over the rolling shaft, the rolling shaft is driven through a rolling motor, and the rolling motor is electrically connected with the controller. The clothing cloth drying equipment is mainly suitable for being used in a clothing manufacturing shop and has the characteristics that the size is small, the weight is small, the price is low, and energy consumption is little.

The invention discloses a three-degree-of-freedom series-parallel hybrid humanoid robot waist structure, and relates to the technical field of robots. The defects that an existing multi-degree-of-freedom waist structure is not compact enough, limited in precision, low in rigidity and poor in stability are overcome. The robot comprises a yaw joint mechanism and a pitching-sidesway joint mechanism which are connected in series, upper limbs and legs of the robot are connected through the yaw joint mechanism and the pitching-sidesway joint mechanism, and the yaw joint mechanism can drive the upper limbs of the robot to do yaw motion; the pitching-sidesway joint mechanism comprises a movable platform, a static platform, a joint universal joint and two joint driving assemblies, the movable platform is fixedly connected with the upper limbs of the robot, the static platform is fixedly connected with the legs of the robot, the joint universal joint is connected with the movable platform and the static platform, and the two joint driving assemblies are symmetrically arranged on the left side and the right side of the joint universal joint; and the two joint driving assemblies are connected with the movable platform and the static platform correspondingly, and when the two joint driving assemblies drive the movable platform, the movable platform can do pitching motion and / or side-sway motion around the joint universal joint.

The invention provides an electric engine, a control method, a related device, a motor controller and an aircraft, and relates to the technical field of aircrafts. The electric engine comprises a power motor, a heat dissipation system and a control module, a cavity is formed in the power motor, the control module is integrated in the cavity, the space occupied by the electric engine is reduced, and therefore the size of the aircraft is reduced; the control module comprises at least three integrated driving modules, part of the driving modules are electrically connected with the power motor so as to control the power motor, part of the driving modules are electrically connected with a variable pitch motor of the propeller so as to control the variable pitch motor, and part of the driving modules are electrically connected with a heat dissipation motor in the heat dissipation system so as to control the heat dissipation motor. The performance and efficiency of the electric engine are improved through unified integrated control over the power motor, the heat dissipation motor and the variable pitch motor. And through a unified control architecture, the system design is simplified, the development and maintenance cost is reduced, and the maintainability of the electric engine is improved.

The invention discloses a rotational flow micro-mixing nozzle with built-in plasma combustion supporting and a micro-mixing combustor. The rotational flow micro-mixing nozzle comprises a tangential rotational flow part, a fuel pipe and a mixing pipe which are coaxially arranged, and plasma combustion supporting exciters arranged on the fuel pipe and the mixing pipe. The plasma combustion-supporting exciter is integrated in the nozzle, the structural design of the micro-mixing combustor can be simplified, and the size and complexity of the micro-mixing combustor are reduced; the plasma combustion-supporting exciter is installed at the top of the mixed gas channel of the rotational flow micro-mixing nozzle, stable adjustment of the combustion process under the variable working conditions can be achieved by controlling opening and closing and the discharge intensity of the plasma combustion-supporting exciter when the load changes, and meanwhile the response speed under the different working conditions is increased; air or an oxidizing agent can be fully mixed with fuel at a specific rotational flow degree through rotational flow air flow generated by the tangential rotational flow component, the combustion range can be widened, and the stable combustion effect under the extreme working condition is enhanced.

The invention relates to an ice crystal evaporator and an ice crystal water cooling device producing from the same, belonging to the technical field of refrigeration. The ice crystal evaporator is characterized in that a liquid inlet channel is formed by an evaporator tube, a liquid inlet and a liquid outlet in a tubular casing; and the outer channel of the evaporator tube of the tubular casing is divided into more than one S-shaped channel forming a water return channel through a water inlet of a water divider and a water outlet of a water collector. The ice crystal water cooling device is characterized in that the return air inlet of the ice crystal evaporator is communicated with a compressor, a condenser, a liquid feeding valve, a dry filter, a liquid feeding electromagnetic valve anda thermostatic expansion valve in sequence, and then is communicated with the liquid inlet of the ice crystal evaporator; a cooling water inlet / outlet of the condenser is connected with a cooling tower in series; and a water inlet / outlet of the ice crystal evaporator is communicated with a water circulating pump and an ice crystal energy storage tank in series. The invention has the advantages ofhigh cooling efficiency, no icing and low cooling temperature and is suitable for production of energy storage central air-conditioning, marine fishing, seafood processing, fruit, vegetable or meat processing, and the like; the cooled medium is municipal water.

The invention provides an outer rotor liquid cooling motor and an aircraft. The outer rotor liquid cooling motor comprises a power module, a first heat dissipation module and a second heat dissipation module. The outer rotor liquid cooling motor is provided with a first channel and a second channel, the suction pump is used for sucking cooling liquid, the cooling liquid flows to the stator and the first channel through the liquid guide pipe, and the cooling liquid is used for absorbing heat of the stator; the air outlet communicates with the second channel and is used for forming cooling airflow, and the cooling airflow sequentially flows through the converter, the second channel and the air outlet and is used for cooling the cooling liquid. The first heat dissipation module and the second heat dissipation module are arranged in the outer rotor liquid cooling motor, a cooling liquid circulation system and a cooling gas circulation system are formed, the stator is cooled through cooling liquid, the cooling liquid is cooled through cooling air flow, meanwhile, the cooling air flow can further penetrate through the interior of the outer rotor liquid cooling motor, and the cooling effect is improved. Heat energy in the outer rotor liquid cooling motor is taken away, and the heat dissipation efficiency of the outer rotor liquid cooling motor is improved.

The present invention relates to the technical field of microfluidics, and discloses a microfluidic chip, which comprises a mixing detection module, a control valve and a power module, and the mixing detection module comprises a plurality of storage cavities, a first channel, a second channel, a third channel, a common channel, a mixing cavity and a detection cavity. According to the invention, the storage cavity for providing the reagent, the channel for fluid such as the reagent and the sample to flow, the mixing cavity for mixing and reacting the fluid such as the reagent and the sample, and the detection cavity for analyzing and detecting the sample are integrated on the mixing detection module; a control valve and a power module which are used for realizing directional flow and mixed reaction of fluid in each channel are arranged as parts which can be removed relative to the mixed detection module, so that the integration degree of the micro-fluidic chip can be improved, and the volume of the micro-fluidic chip can be reduced; in addition, the installation and replacement of the mixed detection module serving as a consumable are facilitated, and the flexibility and convenience of the micro-fluidic chip in use are effectively improved.

The invention discloses a power supply circuit, a server and a time sequence control method, relates to the field of server power supply, and solves the problem that the demand of loads such as a GPU (Graphics Processing Unit) and a CPU (Central Processing Unit) on short-time peak power is increasingly increased at present. According to the power supply circuit, the long-time power supply module and the peak value compensation module are introduced to work cooperatively, the long-time power supply module provides stable energy conversion, and the long-term stable power supply requirement of a load is met; and the peak compensation module dynamically adjusts power supply according to the load demand and the working state of the long-time power supply module, provides or recovers energy, and meets the instantaneous peak power demand, thereby avoiding the defect that the peak current cannot meet the requirement or needs a large-scale redundancy and high-cost capacitor row in the traditional scheme, and improving the reliability of the system. According to the design, power supply stability can be guaranteed, system cost and size are reduced, and overall power supply efficiency and response capability are improved.

The invention discloses a complex scene multi-source heterogeneous data acquisition and monitoring diagnosis method and device, and the method comprises the steps: collecting multi-source heterogeneous data of an object to be monitored and diagnosed, and carrying out the data cleaning, data preprocessing, feature extraction and fusion of the multi-source heterogeneous data, so as to obtain a feature data set; and constructing and training a causal decoupling representation learning model based on input and output driving by using the feature data set and the data after data cleaning, so as to extract decoupling representation of a to-be-monitored diagnosis object, deduce a causal relationship between variables, and obtain a to-be-monitored diagnosis object. Wherein the causal decoupling characterization learning model comprises an external source control conversion network and a double-view evolution modeling and causal inference network, and the trained causal decoupling characterization learning model is used as a heterogeneous signal monitoring and diagnosis model and is used for monitoring the state of an object to be monitored and diagnosed and diagnosing the root cause of a fault of the object to be monitored and diagnosed. According to the invention, data acquisition, state monitoring and fault reason diagnosis can be integrally realized, the cost is saved, and the application prospect is wide.

The invention relates to a seat cushion robot self-adaptive tightening system and an operation method. The system provided by the invention is composed of an integrated industrial personal computer, an AGV mobile platform, a collaborative robot, a tightening end effector, an industrial camera and accessories thereof. The collaborative robot is installed on the AGV mobile platform, the tightening end effector and the industrial camera are installed at the tail end of the AGV mobile platform, and the whole system is controlled by the integrated industrial personal computer. The accurate position of the center of the to-be-tightened bolt can be obtained through a visual identification method in combination with a designed multi-layer screening method; meanwhile, different feeding modes are set according to different pre-tightening conditions, automatic cap searching is achieved, and it is guaranteed that tightening is in place; in addition, the counter-acting force arm is added to counteract counter-acting force in the tightening process, and robot damage is avoided. The tightening system and the operation method provided by the invention not only have extremely high flexibility, but also can adapt to a complex tightening environment, so that the accuracy of tightening work is ensured, and the working efficiency is also improved.

The invention relates to the technical field of medical instruments, in particular to a nerve stimulation electrode based on a shape memory material. The nerve stimulation electrode comprises a flexible packaging electrode body and a substrate crease layer arranged on the surface of the flexible packaging electrode body. The material of the substrate crease layer comprises a shape memory polymer and a nano ferromagnetic material; the substrate crease layer comprises a first bending part which is used for enabling the flexible packaging electrode body to be folded along the length direction of the flexible packaging electrode body. The nerve stimulation electrode can solve the problems that an existing nerve stimulation electrode is hard in appearance, large in overall mass, poor in flexibility and complex in implantation operation.

The invention provides an optical lens, which comprises seven lenses, and sequentially comprises a first lens with negative focal power, a second lens with negative focal power, a third lens with negative focal power, a fourth lens with negative focal power, a fifth lens with negative focal power and a sixth lens with negative focal power from an object side to an imaging surface, the second lens has negative focal power, the object side surface of the second lens is a concave surface near the optical axis, and the image side surface of the second lens is a concave surface; the object side surface and the image side surface of the third lens are concave surfaces; the object side surface and the image side surface of the fourth lens are convex surfaces; the object side surface of the fifth lens is a convex surface, and the image side surface of the fifth lens is a concave surface; the sixth lens has positive focal power, and the object side surface and the image side surface of the sixth lens are convex surfaces; the seventh lens has negative focal power, and the image side surface of the seventh lens is a concave surface near the optical axis; the curvature radius R3 of the object side surface of the second lens and the curvature radius R4 of the image side surface of the second lens satisfy 0.1 lt; (R3 + R4) / (R3-R4) lt; and 0.8. According to the optical lens provided by the invention, the imaging quality of the optical lens can be improved, the aberration is reduced, and the imaging quality of the optical lens is improved.

The invention belongs to the technical field of welding seam detection, and particularly relates to a laser welding seam defect detection machine which comprises support plates, adjusting assemblies arranged between every two adjacent support plates, driving assemblies installed on the support plates and balancing assemblies arranged on one sides of the support plates. Wherein three groups of support plates are arranged in a circumferential array, a front-end support is fixedly mounted on one side of the long edge of each group of support plates, an ultrasonic detection probe, a dot matrix laser and a camera are sequentially mounted on the three groups of front-end supports, an electric control module is mounted on the top surface of each support plate, and a power supply module, a data analysis processing module and a control system are arranged in each electric control module. The device can automatically move on a reducing pipeline, perform positioning detection on a welding seam, and perform circumferential uninterrupted detection in the detection process, so that the detection precision is higher, a mode of combining laser detection and ultrasonic detection is utilized, displacement deviation is automatically corrected after reducing, the error probability is greatly reduced, unnecessary workload is avoided, and the detection efficiency is improved. The detection efficiency is improved.

The invention discloses a small-size rotor test bed, a parameter matching method and a control angle resolving method, belongs to the technical field of aviation aerodynamic wind tunnel tests, and aims to solve the problems of an existing small-size rotor test bed. The test bench comprises a main shaft tilting system, the main shaft tilting system comprises a base, a tilting electric cylinder, two rotating shaft seats, a tilting table and a tilt angle sensor, the two rotating shaft seats are arranged on the left side and the right side of the base respectively, shaft heads are arranged on the left side and the right side of the tilting table respectively, and the two coaxial shaft heads are in corresponding rotating fit with the two rotating shaft seats respectively. A rear cylinder cover of the tilting electric cylinder is hinged to the front side of the base, a piston rod of the tilting electric cylinder is arranged upwards and hinged to the front side of the tilting table, and a tilt angle sensor is arranged on the tilting table. The test rotor wing is connected with the power transmission system, the power transmission system is connected with the tilting table, and technical support can be provided for measurement of rotor wing performance, blade surface pressure and blade bending moment load of the small unmanned aerial vehicle.

The invention provides a comprehensive heat management system, and relates to the technical field of hydrogen energy vehicles, the comprehensive heat management system comprises a fuel cell stack, a buffer tank, a low-temperature solid hydrogen storage device, a high-temperature solid hydrogen storage device, a heat exchange unit and a multi-stage heat pump unit, the low-temperature solid hydrogen storage device is communicated with the fuel cell stack through the buffer tank, and the high-temperature solid hydrogen storage device is communicated with the multi-stage heat pump unit; an exhaust pipe is arranged between the low-temperature solid hydrogen storage device and the buffer tank; a heat exchange unit for thermally connecting the low-temperature solid hydrogen storage device and the fuel cell stack is arranged between the low-temperature solid hydrogen storage device and the fuel cell stack; the high-temperature solid hydrogen storage device is communicated with the buffer tank through the multi-stage heat pump unit, the multi-stage heat pump unit is communicated with the fuel cell stack, and the multi-stage heat pump unit is used for at least absorbing heat of high-temperature hydrogen generated after dehydrogenation of the high-temperature solid hydrogen storage device and waste heat generated by the fuel cell stack and providing the heat to the high-temperature solid hydrogen storage device. The hydrogen storage system has the advantages of low energy consumption, low hydrogen storage pressure, small volume, high cold start speed, high response speed, high hydrogen storage capacity, high safety, high stability, high endurance mileage and the like.

The invention discloses a special transformer state management method and system based on intelligent monitoring and remote diagnosis. The method comprises the steps that electrical parameters of a special transformer user are collected through monitoring equipment; the collected data parameters are analyzed in real time, and the operation state and the abnormal condition of the equipment are judged; monitoring data are transmitted through a communication network, and remote monitoring is achieved; and when an abnormality is detected, triggering an alarm mechanism, and providing fault diagnosis information. According to the invention, the safety and operation efficiency of the power system are improved. Key parameters such as voltage, current, power and frequency can be collected in real time, abnormal conditions such as overload and undervoltage can be rapidly detected through an intelligent algorithm, and an alarm is triggered in time. The system adopts AES encryption to guarantee data transmission security, supports 4G / 5G network to realize remote monitoring, and ensures that operation and maintenance personnel can quickly obtain fault diagnosis information and personalized processing suggestions. The fault response speed and the system stability are obviously improved, and the operation and maintenance cost is reduced.

The invention provides an automatic positioning and cleaning device for detecting the strength of a concrete test block, the automatic positioning and cleaning device comprises a base, the top of the base is fixedly provided with vertical support rods in a rectangular array, the tops of the four support rods are fixedly provided with a mounting plate, and the mounting plate is fixedly provided with a vertical electric cylinder; a piston rod of the electric cylinder is fixedly provided with a mounting block, and the bottom of the mounting block is provided with a pressure detection assembly. According to the device, the detection position of the concrete test block is automatically positioned, so that a worker does not need to manually place the concrete test block at the center of the top of the lower pressing block, and the device is relatively convenient; when concrete is unqualified and strength detection is carried out on the concrete, a moving mechanism is controlled to act to enable a connecting block to be far away from a fixing block and enable a cleaning shell to move to one side, far away from a supporting plate, of a lower pressing block, so that fragments at the top of the lower pressing block can be cleaned through two cleaning brushes, and workers do not need to manually clean the fragments; and the workload of workers is reduced.

The invention discloses a self-adaptive intestinal function adjusting system based on biological feedback, and relates to the technical field of intestinal function adjustment, the self-adaptive intestinal function adjusting system comprises a signal acquisition module, a data analysis module, an adjustment feedback module and a user interaction module; the signal acquisition module adopts a multi-sensor fusion algorithm and a multi-source sensor to acquire intestinal function state information; wherein the multi-source sensor comprises a pressure sensor, a peristaltic sensor and a nerve sensor. The intestinal function self-adaptive adjusting system based on biological feedback can comprehensively collect biological signals of intestinal tracts, including pressure, peristalsis, nervous system signals and chemical substance secretion signals; the multi-dimensional monitoring mode can reflect the real state of the intestinal function more accurately, the limitation of a single sensor is avoided, and a rich and accurate data basis is provided for subsequent analysis and adjustment.

The invention discloses a high-integration-level and efficient-cooling external rotor motor ducted fan system, which belongs to the technical field of ducted fans and comprises a motor stator winding and a fan external rotor integrated part integrally formed by fan blades and a motor external rotor turntable, the integrated shell is integrally formed by a motor inner stator sleeve, a ducted nacelle, a motor controller main shell and a plurality of groups of ducted stationary blades; a cooling structure is mounted on the integrated shell; a motor stator winding is fixedly connected to the outer wall of one end of the integrated shell, the front flow guide cover is fixedly connected to the fan outer rotor integrated part, and the rear flow guide cover is installed at the other end of the integrated shell. And the integrated shell is rotationally connected with the fan outer rotor integrated piece. The system is low in noise, high in integration level, high in system reliability, high in system cooling efficiency, high in power level compatibility and high in expandability.

The invention relates to an optical adjusting mechanism, in particular to a multi-dimensional optical lens posture adjusting frame. The objective of the invention is to solve the problems of large size, high price and complex installation and debugging processes of the existing optical adjustment mechanism. The device comprises a fixed seat, a transverse movement adjusting plate, a longitudinal movement adjusting plate, a rotary adjusting seat and a vertical supporting plate, wherein the transverse movement adjusting plate is mounted on the fixed seat and can be manually and transversely adjusted; the longitudinal movement adjusting plate is mounted on the transverse movement adjusting plate and can be manually and longitudinally adjusted; the rotary adjusting seat is mounted on the longitudinal movement adjusting plate; the pitching adjusting mirror frame is arranged on the vertical supporting plate; the pitching adjusting ring is connected with the pitching adjusting mirror frame; the rotary adjusting seat can be used for manually adjusting a part connected to the rotary adjusting seat to rotate; the vertical supporting plate can adjust a part connected to the vertical supporting plate to move up and down; the pitching adjusting ring can realize the pitching adjustment of the pitching adjusting mirror frame through manual operation, thereby realizing the multi-dimensional adjustment of the optical lens in a narrow space.

The invention belongs to the technical field of power robots. The transformer automatic flexible butt joint oil taking system comprises an oil taking box and an oil taking robot, the oil taking robot comprises an oil taking robot chassis, an automatic butt joint device and an oil sample extracting device, and the automatic butt joint device and the oil sample extracting device are installed on the oil taking robot chassis; the oil taking tank comprises a flexible butt joint oil taking opening fixed to an oil taking tank body, a fixed rod and a movable rod assembly, the automatic butt joint device comprises a guiding butt joint mechanism and a flexible butt joint oil taking mechanism, and the guiding butt joint mechanism is used for being matched with the fixed rod and the movable rod assembly for guiding butt joint. The flexible butt joint oil taking mechanism is used for being in flexible butt joint with the flexible butt joint oil taking opening. Manual operation is replaced through automatic cooperation of the oil taking robot and the oil taking tank, the automatic docking device is applied, the operation process is optimized, the operation and maintenance efficiency and safety of the electric power system are improved, and the risk of manual operation is reduced.

The invention relates to a stem cell bioactive nano-vesicle with efficient inflammation regulation and tissue repair effects, the average particle size of the nano-vesicle is 100-350nm, the polydispersity index (PDI) is 0.05-0.40, and the expression rate of phosphatidylserine (PS) on the surface of the nano-vesicle is greater than 40%. According to the preparation method, stem cells are subjected to apoptosis induction, and then a programmed serial extrusion process is adopted to prepare the nano-vesicles. The nano vesicles are moderate in particle size, uniform in distribution and high in production efficiency, the preparation process is easy to operate, the quality is stable and controllable, and the nano vesicles have excellent technical effects in the aspects of repair and regeneration of inflammation injury type tissues and organs.

The invention discloses a high-power offshore semi-direct-drive permanent magnet wind driven generator cooling system which comprises an outer stator and an inner rotor, the outer stator comprises a motor base, a stator iron core and a stator winding assembled on the stator iron core are installed in the motor base, and an air-water cooler is installed on the upper portion of the motor base. A flow guide plate is arranged in the air-water cooler, a heat dissipation core body is installed at the position, located at the bottom of the flow guide plate, in the air-water cooler, and the flow guide plate is used for enabling hot air exhausted out of the motor to pass through the heat dissipation core body to form a plurality of parallel air paths in the air-water cooler. And the plurality of air paths connected in parallel respectively perform cold and heat exchange with the interior of the motor so as to reduce the air resistance in the motor and the air-water cooler. The cooling system has the characteristic of low wind resistance, the power of the air cooling driving motor used by the cooling system can be reduced, the cost of the cooling system is reduced, and the heat dissipation efficiency is improved.

The invention discloses circulating type plastic waste recovery treatment equipment, and belongs to the field of plastic waste recovery. Circulating type plastic waste recovery treatment equipment comprises a base, a main tank is integrally formed at the top of the base, a funnel communicates with the top of the main tank, and a crushing shell communicates with the top of the funnel. By arranging a second motor and a crushing roller, plastic waste is put into the crushing shell, the waste is crushed by the crushing roller, and preliminary crushing treatment is conducted; the size is reduced, and subsequent cleaning treatment steps are facilitated; and the cone valve below the mesh cylinder realizes intermittent descending and ascending resetting in the reciprocating rotation of the rotating rod, so that the opening and closing of the bottom of the mesh cylinder are controlled. By means of the design, the falling number of plastic particles can be accurately controlled, excessive particles are prevented from falling below the main tank to be soaked at a time, and the secondary cleaning effect is ensured; and by intermittently opening and closing the cone valve, each particle can have enough time to be fully cleaned in the soaking process.

The invention provides a UE5-based automatic construction and release method, and relates to the technical field of software development, the UE5-based automatic construction and release method comprises a construction module and a release module, and the construction module comprises the basic steps of construction triggering, pre-construction task execution, client and server packaging, log recording and automatic alarm. The release module comprises the basic steps of differential packet generation, version detection and automatic release, the intelligent prediction trigger carries out deep learning analysis on project development historical data, the peak period of code submission and the code conflict risk can be accurately predicted, construction is automatically triggered in the low-risk and resource idle period, and the construction efficiency is improved. The problem of low resource utilization efficiency caused by lack of multi-dimensional comprehensive judgment in a traditional construction triggering mode is effectively avoided.

The invention discloses a medium-wave infrared pixel-level spectral polarization optical system, which belongs to the field of lenses and comprises a refraction lens group, a cold diaphragm, a super-structure micro-lens array and a medium-wave infrared quantum dot detector which are sequentially arranged along an incident light path, the super-structure micro-lens array comprises an object side micro-structure and an image side micro-structure; the image side microstructure is used for realizing focusing; the object side microstructure comprises a plurality of object side units which are periodically distributed; each object side unit comprises a polarization metal wire grating structure and a plurality of metasurface-microcavity structures; the polarization metal wire grating structure is formed by arranging metal wire gratings according to different directions so as to realize detection of different orthogonal polarization states; the metasurface-microcavity structure comprises a middle dielectric layer, distributed Bragg gratings located on the two sides of the middle dielectric layer and a metasurface columnar structure unit array embedded into the middle dielectric layer, and the metasurface columnar structure unit array is used for achieving filtering of light of different wave bands. The system has the advantages of good imaging quality, small size, real-time imaging and the like.

The invention discloses a method for preparing nano cerium oxide through supergravity reinforcement, which comprises the following steps: 1) completely dissolving cerium chloride hexahydrate serving as a cerium source with deionized water to prepare a cerium chloride solution; (2) inputting the cerium chloride solution into a supergravity reactor through a peristaltic pump at normal temperature, then inputting ammonia water into the supergravity reactor through a constant-flux pump, and carrying out premixing reaction in the supergravity reactor to form mixed slurry; and 3) after the premixing reaction is finished, taking out the mixed slurry, and carrying out suction filtration, washing, drying and high-temperature oxidation calcination to obtain the nano cerium oxide. According to the method, the production efficiency can be improved, the particle size of the prepared nano cerium oxide is small, the particle size distribution is narrowed, and the crystallinity of crystals is improved.

The invention relates to the technical field of bulkhead cleaning, in particular to a bulkhead cleaning method. Firstly, the moving path of the cleaning robot is planned according to the bulkhead structure, and the comprehensiveness and efficiency of cleaning are ensured. Next, actual cleaning operation is carried out on the selected test section, the step not only debugs cleaning parameters, but also ensures that the parameters can meet specific cleaning requirements, and therefore the cleaning quality is improved. Most prominently, the time required for cleaning the whole bulkhead can be accurately calculated according to the current cleaning requirements and the determined cleaning parameters, and the cleaning task can be efficiently completed within the preset time. The precise time management capability enables the cleaning work to be more orderly and controllable, and provides powerful data support for subsequent cleaning plans at the same time. Therefore, the bulkhead cleaning method is excellent in the aspects of improving the cleaning efficiency, ensuring the cleaning quality and optimizing the time management.

The invention discloses a large-aperture three-waveband integrated optical system, and solves the technical problem that an existing multi-waveband imaging system is large in size and weight. The optical system comprises a main reflector, a first spectrum spectroscope, a first folding-axis mirror, a second folding-axis mirror, a second spectrum spectroscope, a visible light optical unit, a short-wave optical unit, a third folding-axis mirror and a medium-wave optical unit. Wherein the main reflecting mirror, the first spectrum spectroscope, the first folding-axis mirror, the second folding-axis mirror, the second spectrum spectroscope and the visible light optical unit form a visible light optical system for receiving visible light beams; the main reflecting mirror, the first spectrum spectroscope, the first folding-axis mirror, the second folding-axis mirror, the second spectrum spectroscope and the short-wave optical unit form a short-wave infrared optical system for receiving short-wave infrared light beams; the main reflector, the first spectrum spectroscope, the third folding-axis mirror and the medium-wave optical unit form a medium-wave infrared optical system to receive medium-wave infrared beams. The optical system adopts a modular design and is high in integration level.