277results about How to "Improve application flexibility" patented technology

The invention relates to an emotion recognition method based on a millimeter-wave radar and a robot. The method comprises the following steps: receiving a transmitting signal of the millimeter-wave radar and a corresponding echo signal, converting the transmitting signal and the corresponding echo signal into a point cloud format, and removing static reflection to obtain dynamic point cloud data and a timestamp of a surrounding environment; grouping the dynamic point cloud data into clusters; obtaining a centroid estimation value of the target, and tracking the centroid estimation value; sending the millimeter wave signal which horizontally moves at a constant speed to a target person, and receiving echo signals which are reflected by the target person and are uniformly spaced; point spread function optimization is carried out, and SAR image reconstruction is carried out by using a fast frequency domain near-field imaging method; calculating to obtain phase change of the human body signal, and separating to obtain respiration and heartbeat signals of the target person; and extracting emotion related features to obtain the current emotion of the target person. Compared with the prior art, the specific position of the human body can be accurately recognized, and non-contact privacy protection emotion recognition can be remotely achieved.

The invention discloses a domain-specific language compiler optimization method and system based on multi-layer intermediate representation, and the method comprises the steps: S1, defining a DSL to simplify the representation and operation in an MMIR, classifying operators in the MMIR, and enabling all kinds of operators in the MMIR to correspond to keywords in the DSL; s2, analyzing the target MLIR code, extracting input, output and control flow semantics of each operation, mapping an operator in the MLIR code into a corresponding expression in a DSL (Digital Subscriber Line), and converting each optimization strategy into the DSL expression; and S3, generating a DSL code according to the DSL representation, and continuously simulating and evaluating the performance of different optimization strategies by adopting a Monte Carlo tree search algorithm to find an optimal optimization strategy so as to realize compiler optimization. The method has the advantages of being simple in implementation method, low in programming complexity, high in program performance, high in flexibility and the like.

The invention provides an open vocabulary 3D segmentation method based on a three-dimensional Gaussian sputtering technology, and the method comprises the steps: S1, obtaining a multi-view 2D image set, and carrying out the initialization three-dimensional reconstruction; s2, segmenting the multiple views by using SAM to obtain a 2D mask; s3, associating masks of the same instance by using a video tracking segmentation model (SAM2); s4, extracting open vocabulary features of each mask by using a visual language model (CLIP); s5, performing average pooling and dimension reduction on the CLIP feature of the mask of each instance to form a representative open vocabulary feature of the instance; s7, training the model, and supervising the embedding of a low-dimensional embedding feature # imgabs0 #; and S8, comparing the CLIP feature of the query text with the semantic feature of the Gaussian body to obtain the Gaussian body with high correlation, and generating a mask of the query object through rasterization rendering. According to the method, only a multi-view 2D image is needed, and the three-dimensional object and the scene are segmented by combining the three-dimensional Gaussian sputtering technology and the open vocabulary technology, so that the problems of difficulty in 3D data acquisition and high cost are solved.

The invention relates to the technical field of fire extinguishing materials, and discloses an active fire extinguishing microcapsule, a preparation method and application thereof, an ultraviolet curing resin plate and a preparation method thereof. The microcapsule has a core-shell structure, a core material is perfluoro (2-methyl-3-pentanone) (PFMP), and the microcapsule is used as an efficient fire extinguishing agent and is suitable for inhibiting the heat rise rate of an ultraviolet curing polymer in thermal runaway and fire scenes; and the shell layer is a polymer wall material formed by gelatin, has a certain thickness and can be broken at a preset temperature. Through simple condensation, PFMP is used as a core material for microencapsulation, and the microcapsule with specific particle size distribution is prepared, so that the microcapsule can quickly release a fire extinguishing agent under a high-temperature condition, and flames are effectively inhibited.

The invention discloses a free precession atom magnetometer modulation method and a free precession atom magnetometer modulation device based on optomagnetic double resonance pulse, and relates to the technical field of magnetic field precision measurement. Firstly, pumping light passes through a light intensity modulator to generate light pulse with pulse frequency being about Larmor precession frequency and duty ratio being 50% so as to generate macroscopic polarization, then the pumping light is turned off, and the light intensity modulator generates light pulse with pulse frequency being about Larmor precession frequency and duty ratio being 50%; the method comprises the following steps: instantly applying a radio frequency pulse corresponding to the frequency of an optical pulse, controlling a spin polarization vector to a plane vertical to the direction of a magnetic field, removing the radio frequency pulse, generating a free precession signal, and extracting a Larmor precession frequency by processing the free precession signal to obtain magnetic field information. According to the free precession atom magnetometer, enhancement of free precession signals can be achieved, the dead zone of the magnetometer is reduced to be a single axis in the direction of detection light, and a new scheme is provided for application of the free precession atom magnetometer.

The invention discloses a water-based lithium battery positive electrode adhesive, a preparation method and application. The adhesive is of a single-layer or multi-layer shell core-shell structure formed by polar monomers such as acrylic acid, acrylate monomers, cross-linking monomers, self-emulsifying monomers and water through core-shell emulsion polymerization; by controlling the mass percent of acrylate monomers, polar groups and the like in the core layer structure and the shell layer structure and selecting proper types and dosages of cross-linking monomers and self-emulsifying monomers, the adhesive has proper surface tension, shows excellent adhesion and wettability to the current collector, has high peel strength, and is suitable for the current collector. According to the present invention, the lithium ion battery pole piece has the low glass-transition temperature so as to ensure the high toughness, the high surface density, the excellent electrolyte resistance, the excellent electrical property, the excellent coating property and the like of the pole piece, and the raw materials are all non-fluorine materials so as not to produce hydrogen fluoride and other harmful gases during the lithium battery recovery; water is used as a solvent, recycling is not needed, environment friendliness and low carbon are achieved, the manufacturing process is simplified, and the application range is widened.

The invention discloses an AGV fault diagnosis and prediction system and method based on data analysis, and relates to the technical field of automated guided vehicle management, and the AGV fault diagnosis and prediction system based on data analysis comprises a data management module, a fault diagnosis module, a fault prediction module and an adjustment control module. The method can quickly respond to possible operation problems by recognizing fault data in time, reduce downtime and predict possible faults in the future, so that an enterprise can turn from reactive fault processing to active fault prevention, thereby greatly improving the continuity and stability of production and reducing the production cost. By analyzing the key factors influencing the operation of the automatic guided vehicle, the operation parameters can be adjusted and optimized to deal with the predicted potential faults, so that the overall maintenance cost is reduced, and the service life of the automatic guided vehicle and related equipment can be effectively prolonged.

The invention relates to the technical field of robots, and provides a Robomaster multi-sensor fusion decision-making-based sentry robot which comprises a chassis, a holder, an actuator module, a sensing module, a lower computer and an upper computer. The lower computer comprises a receiving module, a decision module, a distribution module and a motion control module; the upper computer comprises a laser radar navigation module and an image recognition processing module; the decision-making module is used for performing corresponding processing on the received data fusion robot according to the situation faced by the robot; and the distribution module is used for directly sending the received sensing data of the sensing module and the data of the judgment system to the laser radar navigation module and the image recognition processing module. According to the scheme, through multi-sensor fusion and a low-computing-power control system, a complex environment can be sensed more comprehensively, low-delay image processing and path planning are achieved, multiple independent and mutually decoupled modules are integrated, and high expansibility and stability are achieved.

The invention discloses a device and a method for detecting dissolved gas in transformer oil based on micro-nano optical fiber, and the device comprises a gas sensor based on micro-nano optical fiber, an interference phase demodulation unit, an inversion unit, a photothermal effect excitation unit for generating and amplifying excitation light, and a detection unit for detecting dissolved gas in transformer oil based on micro-nano optical fiber, the intensity modulation unit is used for applying sinusoidal modulation to the amplified excitation light; coupling the excitation light subjected to sinusoidal modulation into the gas sensor, exciting a fundamental mode and a first high-order mode, generating an evanescent field in a waist region, and exciting gas in oil to generate a photothermal effect to change phases of the fundamental mode and the first high-order mode so as to form a mode phase difference; the detection light generated by the interference phase demodulation unit has interference between a fundamental mode HE11 and a first high-order mode HE12 in the gas sensor, is subjected to phase modulation of different degrees, and converts a modulation phase into an interference signal peak-to-peak value; and the inversion unit performs inversion by adopting a fitting formula according to the interference signal peak-to-peak value to obtain the concentration of the gas in the oil.

The present invention discloses a pre-test processing device, medical equipment and a detection method, wherein the pre-test processing device includes a tray having at least one limiting groove; a tray fixing fixture having a structure for installing and fixing the tray; a material supply mechanism having a structure for storing materials in batches and transferring the materials one by one to the tray; a test liquid storage mechanism having a group of containers; and an injection mechanism having a structure that can extend into any of the containers to absorb liquid and inject it into the groove of the material on the tray. This solution installs reagent strips by setting a tray, and stores batches of materials through a material supply mechanism and transfers the stored materials to the tray to meet the test needs. Combined with the injection mechanism, the test liquid in the container is automatically injected into the groove of the reagent strip on the tray, which can meet the needs of large-scale and multi-item testing, create equipment conditions for the automation of various tests, and help improve detection efficiency.

The invention provides a double-output air cylinder which comprises a cylinder body, a cylinder cover, a piston, a piston rod and a piston rod. A cavity is formed in the cylinder body, a partition plate is arranged in the cavity, and the partition plate divides the cavity into a front cavity and a rear cavity; the piston assembly comprises a first piston arranged in the front cavity in a sliding fit mode and a piston rod arranged on the head portion of the first piston, and the piston rod extends out of the cylinder body and serves as a first output end. The rotating assembly comprises a rotating assembly body arranged in the rear cavity, a driving shaft is arranged on the rotating assembly body, and the driving shaft penetrates through the partition plate, is in rigid connection with the first piston and can drive the piston rod to rotate in the radial direction. The double-output air cylinder is compact in structure, small in size, capable of adjusting the output shaft at any angle, high in adjusting precision, reliable and stable to use, particularly suitable for mechanical arms of non-standard equipment, and wide in application range, and has a self-locking effect.

The invention discloses a multimode code scanning module, which comprises a power supply module, a charging and discharging module, a power supply voltage reduction module, a working mode selection module, a code scanning engine module, a serial port module and a wireless module, and is characterized in that the power supply module is used for introducing a working power supply to the charging and discharging module and the power supply voltage reduction module; the charging and discharging module is used for battery charging and discharging management and providing stable working voltage for other modules, the working mode selection module is used for switching output modes of the code scanning engine module, and the code scanning engine module decodes two-dimensional code data and outputs decoding information. The serial port module is used for outputting the decoding information generated by the code scanning engine module through serial port communication, and the wireless module is used for outputting the decoding information generated by the code scanning engine module through wireless communication. The method has high adaptability and application flexibility, and has high applicability and reliability in special scenes.

The invention is suitable for the technical field of water wheel motor machining equipment, and provides a water wheel generator main shaft accurate installation auxiliary device which comprises a set of machine frames. Assembling grooves are formed in the opposite upper parts of the two racks; the longitudinal linear sliding rails are arranged in the two assembling grooves; the transverse bracket slides between the moving ends of the two longitudinal linear slide rails; the transverse linear sliding rail is arranged above the transverse bracket; the first adjusting mechanism is arranged on the transverse linear sliding rail; the second adjusting mechanism is arranged below the first adjusting mechanism; precise adjustment of the position, height and installation angle of the spindle is achieved, the spindle can be subjected to multi-dimensional adjustment in the installation process, the application flexibility of the device is further enhanced, the installation efficiency and precision are improved, and the device adapts to complex and changeable installation scenes; the installation precision and stability are improved, potential safety hazards in the main shaft hoisting process are reduced, and safety and reliability in the hoisting process are guaranteed.

The invention provides a multi-reflection superposition enhanced microwave displacement measurement method and system, and the method comprises the steps: S1, constructing a microwave multi-reflection propagation path, enabling a microwave radar to transmit electromagnetic waves to the microwave multi-reflection propagation path as a transmission signal, and receiving a corresponding echo signal; s2, extracting length change information of a microwave multi-reflection propagation path according to the echo signal; s3, establishing a linear superposition relation model between the total length of the microwave propagation path and respective displacements of W reflection surfaces in the microwave multi-reflection propagation path; w2; and S4, based on the linear superposition relation model, displacement information of the corresponding reflection surface is obtained and output. According to the invention, a larger phase variation can be obtained under the condition of small displacement or weak vibration, so that the measurement sensitivity is improved and the signal-to-noise ratio is improved.

The invention relates to the field of semiconductor device design and manufacturing, and discloses a method for growing a second-class superlattice infrared detector based on MBE. A buffer layer disposed over the semiconductor substrate; the N-type lower electrode contact layer is positioned above the buffer layer; the medium-wave infrared absorption layer is positioned above the N-type lower electrode contact layer; the electron barrier layer is positioned above the medium-wave infrared absorption layer; the short-wave infrared absorption layer is positioned above the electron barrier layer; the N-type upper electrode contact layer is positioned above the short wave infrared absorption layer; the Cap layer is located above the N-type upper electrode contact layer; an upper electrode of the electrode layer is positioned above the Cap layer; the lower electrode is connected with the N-type lower electrode contact layer; and the passivation layer covers the side wall of the detector. Different absorption layers are separated by adopting the electron barrier layer, and the crosstalk effect between different wave bands is reduced, so that the false alarm rate of the detector in a complex environment is reduced, and the detector can still keep high precision in a high-interference environment due to the characteristic.

The invention discloses a pull-push continuum robot, and belongs to the technical field of continuum robots. The robot comprises a tendon pulling module, a middle module and a structural backbone pushing module. The middle module is arranged between the tendon pulling module and the structural backbone pushing module; the tendon pulling module transmits tendon driving force to the structure backbone pushing module through the middle module, and continuous robot structure deformation is completed. Tendon driving and rod driving are naturally fused, a complex spatial configuration can be achieved through at least one motor, the tendon driving rigidity is improved, and the robot control difficulty is reduced.

The invention discloses an electric turning gear and method for a diesel engine, the electric turning gear comprises a turning assembly, an electric control assembly and a handheld part, and the electric control assembly is arranged on one side of the turning assembly in the direction perpendicular to the axial direction of the turning assembly and connected with the turning assembly; the handheld part and the electric control assembly are arranged on the same side of the turning assembly, and the handheld part is connected with the turning assembly; the handheld part is arranged on the side, away from the output end of the turning gear assembly, of the electric control assembly. The electric control assembly and the handheld part are arranged on one side of the barring assembly along the side perpendicular to the axial direction of the barring assembly, so that the axial size of the barring device is effectively reduced, the barring device is more suitable for electric barring in a narrow space, the barring efficiency in the narrow space is effectively improved, and operation steps are simplified; and meanwhile, the handheld part can support a turning worker to hold the electric turning gear by hand for turning while the axial size of the electric turning gear is not increased, so that the application flexibility of the electric turning gear is further improved.

The invention provides a multi-feature fusion-based black box attack detection method (MFBA), device and system, different features are extracted by using a multi-model fusion strategy, the effectiveness and quality of opposite samples are improved, and the MFBA comprises the following three key steps: firstly, obtaining an initial data set from a target model; a decision boundary is approached by using a multi-feature fusion model; secondly, the stability of the model is enhanced through multiple rounds of training application data expansion and incremental learning technologies; and finally, generating opposite examples by using the optimized fusion model. By constructing the comprehensive attack framework, how to combine various model features to improve the performance against the resistance attack is demonstrated; compared with a single substitution model, the antagonism examples generated by the MFBA have higher mobility under different disturbance levels and have better attack effects; according to the method, an effective solution is provided for black box antagonism attacks, and the model in the generation of the advantage opposite paradigm of multi-feature fusion is verified.

The invention discloses a non-contrast super-resolution ultrasonic imaging method and system based on a diffusion model, and the method comprises the steps: transmitting a multi-angle composite plane wave to a target object, collecting an echo signal, and carrying out the beam synthesis to obtain an erythrocyte B-type ultrasonic image sequence; a space-time filtering algorithm based on singular value decomposition is applied to the erythrocyte B-type ultrasonic image sequence, erythrocyte signals are separated from tissue signals and noise signals, and an ultrasonic image sequence with the high signal-to-noise ratio is obtained for erythrocyte PD image reconstruction; and carrying out super-resolution mapping on the red blood cell PD image based on the trained diffusion model so as to reconstruct a super-resolution ultrasonic image in a non-contrast mode. According to the method, the dependence on an ultrasonic contrast agent is avoided, super-resolution mapping is carried out on the low-resolution erythrocyte PD image based on the deep learning diffusion model completed through training, ultrasonic imaging with ultrahigh resolution is achieved, the application flexibility of the SR-US imaging technology is improved, and the application range of the SR-US imaging technology is expanded.

The invention discloses a handwriting and screen projection picture superposition system, which is characterized by comprising a screen projection emitter, a receiving end, a writing device, a camera and a display terminal, the screen projection transmitter communicates with the receiving end through WiFi, and transmits a screen projection picture signal to the receiving end; the writing device communicates with the receiving end through Bluetooth, WiFi or a USB interface, and the sensor module is used for detecting pen starting and pen falling actions; through real-time synchronization of handwriting, screen projection pictures and camera pictures, unified output of a plurality of video sources is ensured, the interaction experience is remarkably improved, a buffer area mechanism is introduced, the problems of packet loss, delay and jitter are effectively solved, the continuity of video streams is ensured, and in addition, through a synchronization mechanism combined with timestamp information, the real-time performance of the system is improved. The real-time synchronous display of the handwriting and the video frame is ensured, the delay or dislocation phenomenon is avoided, meanwhile, an Alpha hybrid processing module is introduced, and the pixel fusion of the handwriting and the screen projection picture is realized through an algorithm to optimize the visual effect.

The invention discloses an internal interlocking mechanism of a switch cabinet, which belongs to the technical field of interlocking switches and comprises an electromagnetic multi-lock-cylinder interlocking assembly and an integrated lock box. The electromagnetic type multi-lock-cylinder interlocking assembly comprises a multi-lock-cylinder integrated plate, at least two electromagnetic type self-locking lock cylinder mechanisms which are arranged side by side up and down are detachably and fixedly installed on the multi-lock-cylinder integrated plate, and each electromagnetic type self-locking lock cylinder mechanism is electrically connected to a circuit breaker of a cabinet door of the switch cabinet in a one-to-one mode. Each circuit breaker is controlled to be opened or closed through a switch button installed on a cabinet door of the switch cabinet. The electromagnetic self-locking lock cylinder mechanism is connected with all the circuit breakers of the switch cabinet at the same time, only when the circuit breakers are in a closed condition, the electromagnetic self-locking lock cylinder mechanism can be unlocked, the cabinet door of the switch cabinet can be opened, the safety when the cabinet door of the switch cabinet is opened is effectively guaranteed, and the safety of the switch cabinet is improved. The electromagnetic self-locking lock cylinder mechanism can be matched with any number of circuit breakers for use, and has better application flexibility.

The invention provides a controllable preparation method of carboxyl functionalized polystyrene latex microspheres, and belongs to the technical field of latex microsphere preparation. The carboxyl polystyrene latex microspheres (CPS) with various particle sizes of 100-400 nm, different carboxyl contents, monodispersity and uniform sphericity are prepared by adopting a soap-free emulsion polymerization method of adding a trace emulsifier and adding a functional comonomer through a one-step method or a two-step method, the particle sizes and the carboxyl density of the prepared carboxyl polystyrene latex microspheres are controllable, the surfaces are clean, the operation is simple, and the preparation method is suitable for industrial production. The method is simple in operation, good in repeatability and high in conversion rate, can meet the labeling requirements of most antigens and antibodies, and shows huge biomolecular analysis potential and application prospects in the field of biomedicine.

The invention relates to the technical field of MIMO radar, and discloses a TDM and DDM combined radar waveform and signal processing method and device and a medium, and the device comprises a modulation signal transmitting module, an echo signal receiving module and an echo signal processing module. The problem of fuzzy velocity reduction caused by TDM is solved through slow time random sampling, the waveform can be well applied to a large-scale array, velocity ambiguity is avoided, the utilization rate of the Doppler frequency band is improved, the accuracy of target detection is improved through the wide Doppler sub-band, and meanwhile, for the waveform, the accuracy of target detection is improved. According to the method, a corresponding signal processing flow is provided, a method for carrying out cyclic correlation by utilizing the template to carry out channel separation is provided, the transmitting channels of the corresponding targets can be rapidly and accurately separated, the angle measurement requirement can be met, and the method can be compatible with a traditional FMCW radar and has high application flexibility.

The invention provides a shrinkage fit tool, and relates to the technical field of stirring equipment. The shrinkage fit tool comprises a workbench, a stand column and an N-stage positioning assembly. The top of the workbench is provided with a datum plane. The bottom end of the stand column is connected with the datum plane, and the stand column is perpendicular to the datum plane. The N stages of positioning assemblies are sequentially arranged in the axial direction of the stand column. The positioning assembly comprises a mounting sleeve and at least two supporting pieces, the mounting sleeve is coaxially and rotatably arranged on the stand column, the at least two supporting pieces are evenly distributed in the circumferential direction of the mounting sleeve, the ends, close to the mounting sleeve, of the supporting pieces are hinged to the mounting sleeve and form a rotating axis, and first clamping grooves are formed in the sides, away from the axis of the mounting sleeve, of the supporting pieces; the first clamping groove is used for accommodating part of the web plate; in the axial direction of the stand column, an axial gap is formed between the web and the first clamping groove, and in the radial direction of the stand column, a radial gap is formed between the inner side of the web and the first clamping groove. The web can be effectively prevented from deviating and inclining, and the mounting precision of the web is improved.

The invention provides an aluminum-silicon alloy flux purification and titanium removal process, and belongs to the technical field of alloy refining and purification. According to the method, a two-time flux injection method is adopted, firstly, boron-containing molten salt is added in a first flux injection mode, the yield of the boron element is increased, the boron element is promoted to react with a titanium-containing phase, and the boronizing reaction is fully completed; and secondly, the second flux is blown to adsorb titanium diboride particles generated in the reaction, and the flux adsorbing impurities floats upwards to enter a slag layer and is removed in the subsequent slagging-off operation. Through specific chemical reaction and physical separation means, the titanium element in the aluminum-silicon alloy melt can be effectively removed, and the titanium content is reduced to an ideal range. The technology has the advantages of being easy and convenient to operate, environmentally friendly, capable of saving energy and the like, and a new technical means is provided for purification of the aluminum-silicon alloy.

The present invention relates to the technical field of microwave resonators, and discloses a passive wireless sensor based on a piezoelectric resonator, including an input matching network, a resonant network and an output matching network, wherein the resonant network includes a piezoelectric resonator, an inductor and a nonlinear device, wherein the inductor is connected in series or in parallel with the nonlinear device, and the input end of the inductor is electrically connected to the input matching network, and the output end of the nonlinear device is respectively connected to the piezoelectric resonator and the output matching network. Since the natural frequency of the piezoelectric vibrator in the piezoelectric resonator is in an expressible relationship with the change of the physical quantity, the change of the physical quantity will cause the natural frequency of the piezoelectric vibrator to shift, resulting in a change in the resonant frequency, thereby realizing the collection and transmission of the physical quantity through the change in the resonant frequency. The present invention can realize that the piezoelectric resonator can generate a signal without relying on the change of external mechanical force, and has the characteristics of good frequency stability, high equivalent quality factor, high precision, strong anti-interference ability, etc.

The utility model provides a compact type retreating feeder which comprises a feeding assembly, a discharging assembly, a feeding assembly and a discharging assembly. The rear stripping knife assembly is used for stripping the material on the roll material from the backing material; the material pulling assembly is used for pulling the backing material of the roll material to move forwards; the material collecting assembly is used for collecting the base material after the material is stripped; the rear stripping knife assembly is installed on the sliding block. The sliding block is further arranged on the lead screw in a penetrating mode through threads, and the first motor rotates to drive the lead screw to rotate forwards and backwards, so that the sliding block is driven to move on the sliding rail in a reciprocating mode, then the rear stripping knife assembly is driven to move in a reciprocating mode, and the distance between the discharging assembly and the rear stripping knife assembly is adjusted. According to the compact type retreating feeder disclosed by the utility model, the adaptability and competitiveness of equipment in a modern automatic production environment are remarkably improved through comprehensive optimization of compact design, intelligent control and operation convenience while the efficient feeding performance is maintained, and a more efficient, flexible and reliable feeding solution is provided for a user.

The utility model belongs to the technical field of metal processing, and particularly relates to a small part single-face polishing tool which comprises a pressing plate, a connecting base connected with polishing equipment is arranged at the top of the pressing plate, an adaptive disc is buckled at the bottom of the pressing plate, and a part limiting through groove used for containing a part to be polished is formed in the adaptive disc in a penetrating mode. The through part limiting through groove is formed in the adaptive disc, and the shape of the through part limiting through groove is matched with that of a part to be polished, so that the tool can effectively limit a plurality of small parts at the same time; by means of the design, the polishing efficiency of the small parts is improved, and the stability and the positioning precision of the parts in the polishing process are guaranteed. The gasket arranged between the pressing plate and the adaptive disc provides additional protection for the part, and possible damage, such as scratches, to the part in the polishing process is reduced; and the distance between the part limiting through groove and the center of the adaptive disc is designed to be larger than 100 mm, so that the problem that the polishing effect of the center position of the rotating disc is poor is effectively solved.

The invention relates to a building block type fluorescence spectrum detection system and a detection method. The system comprises a building block type bottom plate, a fluorescence excitation module, a filtering focusing module and a fluorescence detection module, the fluorescence excitation module is used for emitting laser and irradiating the laser to a sample to be detected through the dichroscope to excite and generate fluorescence; a driving device of the filtering and focusing module drives a filtering and focusing assembly to move according to the displacement instruction; the fluorescent light is filtered and focused by the filtering and focusing assembly, and the focused fluorescent light passes through a slit of the fluorescence detection module and enters the reflection grating to form diffracted light; the diffracted light is reflected by the reflector to generate reflected light; the imaging assembly collects and processes the reflected light to generate a fluorescence image signal, and sends the fluorescence image signal to the analysis processing device; the analyzing and processing device is used for analyzing and processing the fluorescence image signal to obtain a spectral image of the sample to be detected. Compared with existing fluorescence detection equipment, the building block type fluorescence spectrum detection system is flexible in application, easy to use and low in cost.

The invention discloses an automatic tree anti-freezing solution smearing robot and belongs to the field of municipal automation equipment. The device is composed of wheels, a chassis frame, an anti-freezing solution box, a battery, a pump body, a first electric push rod, a flow dividing valve, a first sliding block, a first sliding rail, a differential mechanism, a smearing device, a recognition camera, a wheel shaft and a first motor. Through automatic operation, automatic movement and accurate tree alignment, the consistency and uniformity of anti-freezing solution smearing are ensured, the stability of the protection effect is enhanced, meanwhile, bark damage possibly caused by manual operation is avoided, smearing parameters are intelligently adjusted according to the diameter of the tree, the dosage of the anti-freezing solution is accurately controlled, waste or insufficiency is prevented, and the working efficiency is improved. The flexible design can adapt to trunks in different shapes, resource utilization is optimized, direct contact between personnel and chemical agents is reduced, and operation safety is improved.