40results about How to "Reduce preparatory work" patented technology

The invention discloses a vehicle locating method based on matching of road surface image characteristics. The vehicle locating method based on the matching of the road surface image characteristics comprises the steps of determining geographical coordinates of an initial position of a vehicle, shooting road surface images in real time in the traveling process of the vehicle, carrying out dogging processing on two shot current continuous frames of the road surface images in sequence, carrying out matching on the two continuous frames of the road surface images processed through the dogging in real time to obtain matching dot pairs of the two continuous frames of the road surface images, carrying out vehicle location on the vehicle according to the obtained matching dot pairs, judging whether the current two frames of the images are the last two frames or not, ending the process if the current two frames of the images are the last two frames, and otherwise repeating the steps. According to the vehicle locating method based on the matching of the road surface image characteristics, the road surface images only need to be collected in real time in the traveling process of the vehicle, and matching is carried out on the two continuous frames of the road surface images so that automatic vehicle location can be achieved; the method is not prone to interference, high in location precision and capable of saving time and labor due to the fact that the time-consuming and labor-consuming link of collecting all-dimensional street scenes in advance in an existing locating method is saved.

The invention relates to a maintaining and energy-saving method for a blowout stand-by boiler, which comprises the following steps: after the boiler steps out, reserving a fire bed; after the boiler is naturally cooled, when the exit temperature of the furnace chamber drops to 100 DEG C or so, the drum pressure is 0.05-0.1 MPa and the water level is kept within the range of drum central line + / -30mm, carrying out maintenance: carrying out water-side maintenance and vapor-side maintenance, and restarting the blowout stand-by boiler every 24 hours, wherein every time the restarting operation is finished, the opening of the fume outlet baffle is controlled at 10%, and the furnace chamber draft is adjusted to the minimum. The method provided by the invention well overcomes the defects in the prior art. The test proves that the method has favorable application effect and has the characteristics of quick start of the blowout stand-by boiler, favorable maintenance effect and obvious energy-saving effect.

The invention provides a concealed pipeline visualization system and method based on augmented reality technology. It can merge the buried paths, laying methods and various kinds of information of various municipal and electric power engineering, such as strong and weak electricity, water supply and drainage, natural gas, communication lines and so on, into the real environment in a visual way, and realize the real-time interaction between the staff and the visual information. When the worker puts on the display device, the real object can be tracked in real time and presented on the display device at the same time with the virtual scene. When the user moves, the relationship between the real object and the virtual object in the position and direction can be updated in real time. AR technology can greatly shorten the preparatory work of the construction, shorten the construction period, reduce the power outage, water outage, communication interruption time and labor costs, and effectively avoid the risk of damage to various types of underground municipal pipe network equipment, so that intangible economic benefits are enormous.

The invention provides a poplar and willow catkin inhibitor which can effectively inhibit poplar and willow catkins. The poplar and willow catkin inhibitor comprises polyacrylamide, fulvic acid, abscisic acid, brassinolide and forchior fennron. The raw materials are dissolved into a solvent, the medicament is sprayed onto tree crowns in a hyperbaric spraying mode, the validity period of each time of spraying can last for about one month, and if the growth cycle of the poplar and willow catkins this year is long, a second time of spraying can be conducted one month later. The poplar and willow catkin inhibitor overcomes various defects of poplar and willow catkin inhibitors in the prior art, and well overcomes the defects of urban poplar and willow greening.

The invention provides an ultrashort pulse time overlap degree measurement device and a method in a CARS microscopic imaging system. The ultrashort pulse time overlap degree measurement device in theCARS microscopic imaging system comprises a femtosecond laser (1), a Stokes light pulse optical path, a pump light pulse optical path, a spectrum analyzer (12), a focusing objective lens (15), a three-dimensional electronic control object stage (16), a collection objective lens (17), a short pass filter (18) and a signal detection and data processing system ( 19). The ultrashort pulse time overlapdegree measurement method in the CARS microscopic imaging system comprises the following steps: calculating the relative time delay, namely the same path delay between the residual pump light pulse and a light soliton used as the Stokes light; according to the interference spectrum oscillation intensity of the residual pump light pulse and the pump light pulse, determining the time delay of the adjustable space optical time delay line, namely the asynchronous time delay, required when the residual pump light pulse and the pump light pulse overlap; and estimating the time overlap degree of ultrashort pulses in the CARS microscopic imaging system when the adjustable space optical time delay line is adjusted according to the same path delay and the asynchronous time delay. According to the ultrashort pulse time overlap degree measurement device and method in the CARS microscopic imaging system, closed-loop feedback control of ultrashort pulse time overlap in the CARS microscopic imagingsystem is facilitated, and the measurement efficiency is improved.

The invention discloses a rapid cable winding device in the technical field of electric power engineering. The rapid cable winding device comprises a base and a winding wheel, wherein a first supporting plate and a second supporting plate are fixed to the two sides of the top of the base respectively, a supporting member penetrates through the interior of the first supporting plate, a positioningframe is arranged on the inner side of the second supporting plate, and a winding motor is arranged on the outer side wall of the second supporting plate. A fixed through hole and a long groove are formed in the outer wall of the winding wheel, the interior of the long groove is in sliding connection with a connecting block, a fixed clamping plate is fixed to the side, close to the fixed through hole, of the inner wall of the winding wheel, and a movable clamping plate fixedly connected with the connecting block is arranged on the other side of the fixed through hole; and a fixing block is fixed to the end, far away from the movable clamping plate, of the inner wall of the winding wheel, and compression springs are uniformly connected between the fixing block and the connecting block. According to the rapid cable winding device, the winding wheel is installed between the supporting member and the positioning frame, assembly and disassembly are rapid to achieve, the fixing efficiency ofone end of a cable is high, the early-stage preparation work of cable winding is greatly saved, and therefore the working efficiency of the cable winding is improved.

The invention discloses a cloud identification method for abnormal behaviors of Internet of Things equipment, and the method comprises the steps: the Internet of Things equipment collects data, and carries out the data transmission with a cloud through an mqtt protocol; the cloud adopts RabbitMQ to receive the mqtt message, and stores the mqtt message in an asset set queue corresponding to the Internet of Things device; the cloud analysis module subscribes an asset set queue in an mqtt protocol mode, receives data collected by the Internet of Things device and calls the analysis sub-module toperform threat analysis, the cloud storage module judges whether threat data exists in a memory regularly, and if yes, the cloud storage module needs to store the threat data into an MONGO database. The terminal only collects data and sends the collected data to the queue component RabbitMQ, and the cloud reads the data from the RabbitMQ for analysis, so that direct terminal cloud interaction is avoided, and the coupling is reduced. Modularized design is adopted in exception analysis programs, calling is convenient, the portability is good, and the expansibility is good.

The invention discloses a water suffocating hole-free casting process for a cylinder cover of a single cylinder diesel engine and a sand core for the casting process. The casting process comprises the following steps: 1, manufacturing an upper mold, a lower mold and the sand core, and coating the outer surface of the sand core with a low-gas-evolution coating; 2, manufacturing a core support, and mounting the core support at the gravity position on the upper plane of the sand core, wherein a gas discharging hole is formed in the center of the core support, the lower half part of the core support is arranged in the sand core, and the gas discharging hole in the center of the core support is communicated with the sand core to discharge gas in the sand core; 3, arranging waterway feet on the bottom surface of the sand core, and mounting gas discharging needles for discharging gas on the waterway feet and into the sand core; 4, mounting the sand core in the lower mold, and closing the upper mold to enable the inner surface of the upper mold to be attached to the upper plane of the core support; and 5, casting molten iron into the upper mold and the lower mold which are closed by virtue of a casting head. The positioning function of an original water suffocating hole is achieved by the core support, so that the process is simplified, the production efficiency is improved, and a great amount of time and fund investment are saved.

The invention discloses a method of inoculating Ustilago scitaminea to tissue culture seedlings of sugarcane. The method includes: with an injector, injecting a mixed spore suspension of '+' and '-' mated wild strains of Ustilago scitaminea and a mixed spore suspension of '+' and '-' mated mutant strains of Ustilago scitaminea respectively to inner parts, near growth spots, of the tissue culture seedlings of sugarcane, wherein the mixed spore suspension of the '+' and '-' mated strains is 1*107 per mL, 1 mL of the spore suspension is injected per seedling, and the tissue culture seedlings of sugarcane to be tested are tissue culture seedlings 35-45 cm in height. After Ustilago scitaminea is inoculated, origination is evident, operability is high, and pathogenicity test cycle is shortened;therefore, efficiency of screening Ustilago scitaminea pathogenic defective mutants is improved; technical support is provided for the identification and mechanism research on pathogenicity associatedgenes of Ustilago scitaminea; the method has important significance.

The invention provides a concealed pipeline visualization system and method based on hybrid reality technology. It can merge the buried paths, laying methods and various kinds of information of various municipal and electric power engineering, such as strong and weak electricity, water supply and drainage, natural gas, communication lines and so on, into the real environment in a visual way, and realizes the real-time interaction between the staff and the visual information. When the worker puts on the display device, the real object can be tracked in real time and presented on the display device at the same time with the virtual scene. When the user moves, the relationship between the real object and the virtual object in the position and direction can be updated in real time. MR technology can greatly shorten the preparatory work of the construction, shorten the construction period, reduce, cut off water, communication interruption time and labor costs, and effectively avoid the riskof damage to various types of underground municipal pipe network equipment, so that the intangible economic benefits are enormous.

The invention discloses an integrated natural gas pipeline pressure test gas supply device. The integrated natural gas pipeline pressure test gas supply device comprises a gas inlet pipeline, a gas supply pressure control part, a gas outlet pipeline and a control cabinet which are sequentially connected in series; an inlet pressure transmitter, a filter, an electric heater and a heating temperature transmitter are sequentially connected to the gas inlet pipeline in the gas flow direction, the gas supply pressure control part is formed by connecting multiple gas supply pipelines with gas supply pressure limit values progressively increased and a bypass in parallel, and an outlet pressure transmitter, an outlet temperature transmitter and an outlet adjusting valve are arranged in the gas outlet pipeline sequentially in the gas flow direction. The control cabinet is electrically connected with the inlet pressure transmitter, the heating temperature transmitter, the outlet pressure transmitter, the outlet temperature transmitter, a combustible gas alarm device, an entrance guard, a draught fan and valves used for opening gas supply pipelines. According to the technical scheme, the intelligence degree is high, manpower cost is saved, and the experiment period is effectively shortened.

The invention discloses an automatic filter realizing method, a storage medium, a device and a system, which relate to the field of photographing beauty. The method comprises the following steps of acquiring a plurality of images as training samples, and training a neural network model, wherein each image contains a marker for marking a scene; intercepting the live broadcast picture as the image to be detected, and using the trained neural network model to detect the content of the image to be detected; when the marker is detected in the image to be detected, calling the filter special effectcorresponding to the scene of the marker as the filter special effect of the current live broadcast, wherein a mark comprises a solid color wall, a billboard and a sky: when that mark in the image tobe detected is detected as a solid color wall, using a white filter as a filter special effect of the current live broadcast. By judging the live broadcast scene of the current anchor, the invention automatically calls out the filter special effect corresponding to the scene as the filter special effect of the current live broadcast.

The invention discloses a multi-laser radar autonomous networking system based on adaptive registration, a method and a terminal, and relates to the technical field of network construction and network information processing. A plurality of laser radars are adopted to carry out registration and fusion on point cloud images of different radars by using a point cloud registration algorithm, and point cloud registration adopts 4PCS to carry out coarse registration and Trimmed ICP to carry out fine registration, so that the laser radars in the same indoor environment automatically establish a radar network, and a fused indoor environment point cloud is obtained. Data are stored locally and in the cloud simultaneously, and a user changes corresponding registration parameters or obtains original point cloud data through the cloud. The invention relates to the multi-laser radar autonomous networking system based on adaptive registration, which is designed for home-based care projects. A user can remotely check the condition of the laser radar network in the living room of the old and the point cloud image of the indoor environment. Through the radar network and environment point cloud data, the user can use the method in further design and use of home-based care projects.

The invention discloses a point-suction-type facing tile for building exterior application and a bonding method thereof, and belongs to the technical field of buildings. By means of the point-suction-type facing tile and the bonding method thereof, the traditional bonding face can be replaced with a multi-point suction means, and a large amount of early-stage preparation work is omitted. During on-site bonding, what is needed is to simply paste and press the tile in the direction perpendicular to a to-be-paved area according to the paving and bonding sequence and direction, and then through the cooperation of vacuum suction and an annular self-repairing bonding face, the facing tile is bonded. On one hand, under the combined effect of bonding force and suction force, the facing tile is fixed; and on the other hand, under the sealing effect of the annular self-repairing bonding face, the vacuum suction effect is maintained in turn, so that the bonding strength and the service life of the facing tile meet the standard and requirement, and the construction time is greatly shortened. There is no need to adopt professional tools or media for bonding, the bonding efficiency is improved,the construction environment is improved, besides, the construction difficulty is lowered, and the point-suction-type facing tile is very environmentally friendly and is of great importance to the green and environment-friendly building for future life.

The invention relates to a resistance measuring device of a solar cell, which comprises a device body, and has the characteristics that an insulation base is arranged on the device body, and correspondingly distributed guide devices are arranged at two sides of the insulation base; and each guide device is provided with a probe assembly connected with a constant-voltage constant-current source assembly; and by such a mode, the metal semi-contact resistance between a metal electrode and a silicon material, the thin-layer resistance of an emitter and a metal electrode resistance of the crystalline silicon solar cell can be accurately measured and analyzed at the same time. Meanwhile, the resistance measuring device is provided with a box cover made of an opaque material, the box cover is connected to outside by using a probe assembly contact electrode in a lead mode, thus meeting the operating conditions of a darkroom and facilitating the operation at the same time. In addition, the first-phase preparing work for performing laser cutting on a silicon wafer is removed.

The invention discloses automatic sampling initial detection equipment for beverage food detection, and relates to the technical field of detection equipment; the automatic sampling initial detection equipment comprises a working case and a conveying mechanism, wherein the conveying mechanism is mounted on the surface of the working case; the conveying mechanism mainly comprises a continuous feeding machine, a clamping conveying belt installed in the continuous feeding machine and a plurality of sensors installed on the side face of the continuous feeding machine, the working machine box is composed of a box body, a gantry beam, an anti-explosion dirt collecting barrel A, a heater and a detection table, and the gantry beam is fixedly connected to one side of the box body; the anti-explosion sewage collecting barrel A and the heater are respectively arranged in the box body, and the detection table is arranged on the surface of one side of the box body. According to the invention, not only can automatic sampling inspection be effectively realized, but also samples can be shaken up before sampling inspection so as to ensure uniform sampling, and meanwhile, workers can be helped to equally divide the samples and wait for initial inspection of the workers, so that the preparation time and tedious steps of the workers are effectively reduced.

The invention discloses a surface mine high-temperature blasting device and a construction method thereof. The device comprises a bracket, a container, an explosive, a bulkhead, a priming material anda switch, wherein the bracket is a support mechanism for supporting the container; the container is used for layered loading of the explosive, the priming material and the bulkhead beforehand; the switch is used for remotely controlling automatic loading of the explosive, the priming material and the bulkhead in high-temperature blast holes; and the switch and the priming material are wirelesslycontrolled. The device enables constructors to leave from a high-temperature fire area in the explosive loading operation; a blasting system consisting of the priming material achieves independence and reliability, so that the high-temperature blasting safety is radically improved; and in addition, the system consisting of the device can load the priming material into multiple high-temperature blast holes at the same time without being limited by the number of traditional high-temperature blasting holes, so that the mine burning area blasting and stripping efficiency is improved.

The invention discloses an integrated natural gas pipeline pressure test gas supply device. The integrated natural gas pipeline pressure test gas supply device comprises a gas inlet pipeline, a gas supply pressure control part, a gas outlet pipeline and a control cabinet which are sequentially connected in series; an inlet pressure transmitter, a filter, an electric heater and a heating temperature transmitter are sequentially connected to the gas inlet pipeline in the gas flow direction, the gas supply pressure control part is formed by connecting multiple gas supply pipelines with gas supply pressure limit values progressively increased and a bypass in parallel, and an outlet pressure transmitter, an outlet temperature transmitter and an outlet adjusting valve are arranged in the gas outlet pipeline sequentially in the gas flow direction. The control cabinet is electrically connected with the inlet pressure transmitter, the heating temperature transmitter, the outlet pressure transmitter, the outlet temperature transmitter, a combustible gas alarm device, an entrance guard, a draught fan and valves used for opening gas supply pipelines. According to the technical scheme, the intelligence degree is high, manpower cost is saved, and the experiment period is effectively shortened.

The invention relates to the technical field of biological resource processing, in particular to a model and method for predicting the yield of chitosan prepared from armadillidiam vulgare at different water bath temperatures, and the yield prediction model comprises prediction of the yield of an extract obtained after demineralization, prediction of the yield of chitin, prediction of the yield of an extract obtained after decoloration, prediction of the yield of chitosan and prediction of the total yield. According to the method, the yield prediction model is used for predicting the product yield and the total yield of the armadillidiam vulgare in each stage in the process of preparing the chitosan from the armadillidiam vulgare. The model clearly reflects the relationship between the water bath temperature and the extraction effect of the chitosan product in different preparation stages, the method is convenient for technicians to select parameters and estimate the yield according to the production purpose, guidance is provided for the development and utilization of the extraction of the chitosan from the armadillidiam vulgare, and the resource utilization value of the armadillidiam vulgare is expanded.

The invention relates to a spinning forming method of a thin-walled curved-generatrix-shaped part. According to the forming method, a thick-walled barrel-shaped piece serves as a blank, after return spinning and segmented forming, the part is pushed to move forward by utilizing synchronous feeding of two rotating wheels to be separated from a spinning die to realize unloading, one-time spinning forming of the thin-walled curved-generatrix-shaped part is achieved, the number of dies is decreased, the number of spinning forming times is decreased, and the labor intensity of workers is reduced, so that the purposes of reducing the machining cost, shortening the production cycle, improving the production efficiency and improving the part forming precision are achieved, and meanwhile, the technical difficult problem that the thin-walled curved-generatrix-shaped part is difficult to unload is also solved.

The invention discloses an unmanned aerial vehicle take-off and landing platform adjusted based on a connecting rod linkage principle and belongs to the technical field of aerospace. The platform comprises a bottom plate; the left side and right side of the front face of the bottom plate are movably connected with a left adjusting mechanism and a right adjusting mechanism correspondingly; two movable plates are movably connected to the opposite sides of the left adjusting mechanism and the right adjusting mechanism; a main fixing plate is movably connected to the bottoms of the movable plates;an auxiliary fixing plate is movably connected to the outer side of the main fixing plate; a sliding groove is formed in the back face of the bottom plate; two connecting rods are movably connected to the outer side of the sliding groove. According to the unmanned aerial vehicle take-off and landing platform is adjusted based on the connecting rod linkage principle, the bottom plate can provide supporting for a structure connected with the bottom plate and maintain the position stability of the structure, and therefore, stable connection between all structures in a working process is guaranteed, the overall stability of the device is improved; the left adjusting mechanism and the right adjusting mechanism can provide supporting for the two movable plates respectively, and therefore, the stability of the device is improved.

The invention relates to the technical field of crane mechanical components, in particular to a crane for water conservancy project construction. The crane comprises a cylinder barrel, a column body is inserted to the lower end of the cylinder barrel, a supporting plate is connected to the lower end of the column body, side plates are connected with the two sides of the supporting plate, one sideof each side plate is connected with a connection rod, and the bottom of the supporting plate is provided with a base plate. Column holes are formed in the two sides of the bottom end of the column body, the bottom of the column body is provided with a notch, one side of the notch is provided with a semicircular groove, and the two ends of the supporting plate are provided with connection ports. The supporting plate is hinged to the column body, the supporting plate is freely rotated, the side plates are connected to the two sides of the supporting plate, the side plates can be adjusted to theangle adapting to a site, a bolt is fixed to a fixing block so as to be rightly attached to the ground to play a supporting pole, and crane lateral turning is prevented; and site flattening is not needed, time and labor are saved, supporting is stable and firm, and early-stage preparation work of the crane is greatly simplified.

The invention provides an abdominal pressure monitoring tube with an intra-abdominal pressure increase registration indication identifier, relates to the technical field of medical apparatuses and instruments, and aims to solve the problem that when an existing abdominal pressure monitoring tube with an intra-abdominal pressure increase registration indication identifier is in use, due to the fact that objects exist in urinary systems of part of patients, discharged normal saline is mixed with impurities, resulting in that the monitoring tube is blocked and then the detection result is influenced. The abdominal pressure monitoring tube comprises a circulation part; a smoothing part is arranged outside the circulation part; an identification part is arranged outside the circulation part; a connecting part is arranged at the tail end of the circulation part; and a connection piece of the connection part is connected to a body inlet pipe in a threaded mode. When saline water flows through a filtering groove, the saline water is filtered through a filtering piece, so that internal impurities are cleaned, the detection result is prevented from being influenced due to blockage; and the filtered impurities are temporarily stored in the filtering groove, and a plug block is fixed in a mounting hole so as to facilitate extracting the internal impurities through equipment.

The invention relates to the technical field of mechanical parts of cranes, in particular to a crane for construction of a water conservancy project. The crane comprises a cylinder. A column body is inserted onto the lower end of the cylinder, the lower end of the column body is connected to a supporting plate, side plates are connected to two sides of the supporting plate, one side of each side plate is connected to a connecting rod, and a base plate is arranged at the bottom of the supporting plate; column holes are formed in two sides of the bottom end of the column body, a cut is formed inthe bottom of the column body, a semi-circular groove is formed in one side of the cut, and connecting ports are formed in two ends of the supporting plate. As the supporting plate is hinged to the column body, the supporting plate rotates freely; as the side plates are connected to two sides of the supporting plate, the side plates can be adjusted to angles suitable for field and are fixed to fixed blocks through bolts, so that the supporting plate clings to the ground to play a supporting role so as to prevent rollover of the crane. According to the crane provided by the invention, the field needs not to be leveled, and it is time- and labor-saving and steady to support the crane, so that the early stage preparatory work of the crane is shortened greatly.

The invention discloses a vehicle positioning method based on road surface image feature matching: determining the geographical coordinates of the initial position of the vehicle; taking real-time pictures of the road surface images during the driving process of the vehicle; sequentially performing uniform light processing on the currently photographed two consecutive frames of road surface images; real-time Match the two consecutive frames of road surface images after uniform light processing to obtain the matching point pairs of the two consecutive frames of road surface images; perform vehicle positioning according to the obtained matching point pairs; determine whether the current two frames of images are the last two frames, if so, then end, otherwise repeat the above steps. This method only needs to collect road images in real time while the vehicle is running, and match two consecutive frames of road images to realize autonomous vehicle positioning. The time-consuming and labor-intensive link of full street view, so save time and effort.

The invention discloses a balance cylinder system and a balance cylinder control method. The balance cylinder system according to an embodiment of the present invention includes a balance cylinder; an executing mechanism which is connected with the output end of the balance cylinder; a sensor which obtains the posture and / or the gravity component of the executing mechanism, wherein the output end of the balance cylinder outputs according to the posture and / or the gravity component. According to the balance cylinder system and the balance cylinder control method provided by the embodiment of the invention, the gravity influence of equipment in various postures can be balanced, so that the equipment is stable in operation, accurate in positioning and free of impact vibration.

The invention discloses an electric power test trolley which comprises a first supporting plate, a second supporting plate and a third supporting plate, which are sequentially arranged from bottom totop. Lifting assemblies are arranged between the first supporting plate and the second supporting plate and between the second supporting plate and the third supporting plate; main test equipment, a cable roller and a cable roller driving assembly are fixedly arranged on the first supporting plate, wherein the cable roller and the cable roller driving assembly are detachably arranged on one side of the main test equipment; and a controller is fixedly arranged on the third support plate, wherein the controller is electrically connected with the main test equipment and auxiliary test equipment.The electric power test trolley is compact in structure, is high in practicality, can reduce the early-stage preparation work of an electric power maintainer during the onsite withstand voltage detection, and can effectively improve the efficiency of the electric power test; and the electric power test trolley is suitable for an electric power production field, and is used for the field detectionand testing of electric power safety equipment.

The invention provides an ultrashort pulse time overlap degree measurement device and a method in a CARS microscopic imaging system. The ultrashort pulse time overlap degree measurement device in theCARS microscopic imaging system comprises a femtosecond laser (1), a Stokes light pulse optical path, a pump light pulse optical path, a spectrum analyzer (12), a focusing objective lens (15), a three-dimensional electronic control object stage (16), a collection objective lens (17), a short pass filter (18) and a signal detection and data processing system ( 19). The ultrashort pulse time overlapdegree measurement method in the CARS microscopic imaging system comprises the following steps: calculating the relative time delay, namely the same path delay between the residual pump light pulse and a light soliton used as the Stokes light; according to the interference spectrum oscillation intensity of the residual pump light pulse and the pump light pulse, determining the time delay of the adjustable space optical time delay line, namely the asynchronous time delay, required when the residual pump light pulse and the pump light pulse overlap; and estimating the time overlap degree of ultrashort pulses in the CARS microscopic imaging system when the adjustable space optical time delay line is adjusted according to the same path delay and the asynchronous time delay. According to the ultrashort pulse time overlap degree measurement device and method in the CARS microscopic imaging system, closed-loop feedback control of ultrashort pulse time overlap in the CARS microscopic imagingsystem is facilitated, and the measurement efficiency is improved.