460results about How to "Improve collection efficiency" patented technology

The invention belongs to the technical field of optical signal collection and imaging, and particularly relates to a multi-path nonlinear optical signal collection device. The adjusting table is used for bearing a to-be-detected sample and adjusting the spatial pose of the to-be-detected sample, the laser emitting module is used for emitting laser, the to-be-detected sample is excited by the laser to obtain a nonlinear optical signal, the nonlinear optical signal is incident to the overturning mirror through the reflection transmission unit or the transmission transmission unit, and the overturning mirror is used for adjusting the spatial pose of the to-be-detected sample through angle adjustment. The nonlinear optical signal is reflected to a first signal processing module or a second signal processing module, and the first signal processing module processes the nonlinear optical signal from the reflection transmission unit or the transmission transmission unit to obtain a spectral analysis processing result; and the second signal processing module processes the nonlinear optical signal from the reflection transmission unit or the transmission transmission unit to obtain an electric signal processing result. The device is used for collecting non-linear optical signals of far-end detection optical paths of reflection, transmission, oblique incidence and the like.

The invention relates to the technical field of collection equipment, in particular to a sample collection device for diesel engine gas detection. A first pipe opening, a second pipe opening and a third pipe opening are formed in the pipe body; a collecting barrel is installed in the first pipe opening, a limiting mechanism used for being connected with a flue of a diesel engine is installed on the second pipe opening, a flow monitoring mechanism is installed on the third pipe opening, and the particulate matter collecting barrel, the flow monitoring mechanism and the flue connecting mechanism are integrated on one pipe body, so that particulate matter collection and gas flow measurement are synchronously carried out; measurement errors caused by fluctuation of working conditions are greatly reduced, and the accuracy and reliability of detection data are improved.

The invention relates to the technical field of pet supplies, and particularly discloses a pet water dispenser. The pet water dispenser comprises a shell, a drinking tray assembly, a driving piece and an overturning transmission mechanism. The drinking tray assembly is installed on the shell through a rotating shaft on the side portion, the overturning transmission mechanism comprises a driving sliding block driven by a driving piece and a contour surface arranged on the drinking tray assembly, and the drinking tray assembly is driven to automatically overturn around the rotating shaft to pour sewage through cooperation of the sliding block and the contour surface. A locking mechanism is further arranged, automatic locking is achieved when the rotating shaft is installed in place, and axial loosening of the assembly is prevented. The water dispenser is simple and compact in structure, high in automation degree and reliable in work, and the use safety and convenience are effectively improved.

The present application relates to the technical field of laser processing, especially to a lock processing and cutting device, which comprises a machine table and a transfer module installed on the machine table; a laser head is fixedly installed at the end of the execution component of the transfer module; a conveying assembly for conveying a sheet is fixedly installed above the machine table; wherein a positioning assembly for side positioning of the sheet and a stop assembly for stopping the end of the sheet are installed above the machine table; through the synergistic effect of the positioning assembly and the stop assembly, the present application realizes accurate positioning of the sheet, effectively guarantees the cutting accuracy and consistency of the lock panel; secondly, the traditional bench type single piece processing is replaced by a pipeline type continuous operation; the conveying, positioning and cutting processes of the sheet can be seamlessly connected, the auxiliary time of equipment waiting and manual intervention is reduced, the production efficiency is greatly improved, the finished product and waste after cutting can be automatically separated along the pipeline, and the post-processing process is greatly simplified.

The invention discloses a multi-camera live broadcast stream pushing realization method and system, and relates to the technical field of artificial intelligence, and the method comprises the steps: calling a plurality of cameras to carry out the video collection of a current live broadcast scene, obtaining a plurality of video data, and distributing an independent thread for each camera; collecting audio data of the current live broadcast scene; encoding the audio data and the plurality of video data, and synchronizing the audio data and the plurality of video data based on a timestamp to obtain a plurality of audio and video data; and pushing the audio and video data to a live broadcast platform based on the independent thread. The problem that multi-camera live broadcast stream pushing cannot be realized in the prior art is solved.

The invention discloses a shift change information intelligent complementation and error early warning system based on a large language model, which belongs to the technical field of medical information processing and comprises a terminal acquisition module, an intelligent distribution complementation module and an early warning control module. Structure and semantic fingerprints are generated for the data table, a shift exchange asset meta model is constructed through fusion similarity clustering merging, and a semantic enhancement model is generated in combination with medical shift exchange specifications to complete information field completion; the intelligent distribution and completion module configures an optimal path with the minimum comprehensive overhead for the acquisition module by relying on a regional dynamic shift information network formed by double sub-networks; the early warning control module is combined with a large language model semantic analysis and rule engine, monitors an acquisition track and identifies information abnormity to execute error early warning, and an early warning result is fed back to the intelligent distribution complementation module, so that dynamic adjustment of an optimal path is realized, and the integrity, accuracy and acquisition efficiency of medical shift information are improved.

The utility model relates to a bottom air suction chamber for a coating production line. The bottom air suction chamber comprises a shell, a high-pressure box fixed at the upper end of the shell, a vortex plate mounted in the high-pressure box, a filter box mounted at the lower end of the vortex plate, an air inlet pipe fixed at the lower end of the high-pressure box and an exhaust mechanism fixed on the side surface of the air inlet pipe, vortex can be generated at the air inlet through the specially designed vortex plate, the pressure intensity is reduced, and the entrainment effect is enhanced. Meanwhile, the air suction chamber is matched with the high-pressure box, the high-pressure box can eject high-pressure jet flow, surrounding fluid can be continuously drawn into the jet flow under the entrainment action of the jet flow, and as the internal pressure of the jet flow is smaller than the external pressure, air tends to move inwards at the top end of the jet flow and at the position where air energy is insufficient, and is sucked into the air suction chamber; by means of the design, air flow on the surface of the vortex plate can be accelerated, coating attached to the surface of the vortex plate is reduced, and meanwhile the air suction efficiency of the device can be greatly improved.

This invention belongs to the field of integrated circuit design technology, specifically relating to a method for optimizing integrated circuit design data. This method first constructs a "tool-layer-semantic" data acquisition architecture, integrating multi-channel parallel acquisition units to collect heterogeneous data from multiple sources. Compliance pre-verification is performed through hardware logic circuits and a verification rule base, extracting key data identifiers. A three-level incremental compression strategy based on key data priority, combined with an intelligent index integrating multi-dimensional indexes, is used for compression and storage. The stored data undergoes multi-dimensional optimization, including semantic deduplication, priority optimization, format conversion, and source quality backtracking, forming a unified format optimized semantic. Through an interactive interface, it is adapted and interacted with electronic design automation tools. After consistency verification and performance testing feedback loops, the final design data and full-process traceability information are obtained and stored. This invention achieves unified management, efficient compression, intelligent optimization, and full-process traceability of design data.

This invention relates to the field of nuclear radiation detection technology, and more particularly to an energy spectrum processing method for a quasi-hemispherical CdZnTe detector. The method includes: acquiring the raw signal collected by the quasi-hemispherical CdZnTe detector; normalizing the amplitude of the raw signal from the baseline to the highest point during the rise phase; dynamically selecting multiple energy thresholds; performing rise time discrimination on the normalized signal within each energy threshold; filtering out signals with rise times greater than RTflag and determining the rise time range corresponding to that energy threshold; constructing an intermediate energy spectrum corresponding to each energy threshold based on the signals with rise times greater than RTflag and the rise time range; and post-processing the intermediate energy spectrum to obtain the target energy spectrum corresponding to each energy threshold. This invention combines energy threshold discrimination, rise time discrimination, and energy spectrum post-processing algorithms to stably improve the energy resolution of the quasi-hemispherical CdZnTe detector for 662 keV gamma rays from the conventional 2%~3% to less than 1%.

The invention discloses a data acquisition and processing method of an intelligent measurement master station, which relates to the technical field of intelligent measurement, and comprises the following steps: dividing a data acquisition channel, and constructing a distributed architecture of the intelligent measurement master station; cluster processing and multilink load balancing master station deployment are carried out on a distributed architecture, dynamic channel resources deployed by the master station are allocated based on an asynchronous time division multiplexing technology, and master station deployment operation based on cluster processing and multilink load balancing is carried out. According to the invention, the intelligent measurement master station system can better adapt to a complex and changeable electric power environment, the data acquisition and processing efficiency is improved, and advantages are brought to the development and application of an intelligent electric power system.

This application relates to the field of ultrasound imaging technology, and discloses a method for acquiring ultrasound images, an ultrasound imaging device, and a readable storage medium. The method includes: controlling a transducer in an ultrasound probe to automatically adjust its position according to a preset method; acquiring at least one frame of ultrasound image in response to the transducer adjusting to a target set position; analyzing each frame of ultrasound image to obtain analysis results; determining an optimal set position based on the analysis results; and controlling the transducer to adjust to the optimal set position to acquire at least one frame of ultrasound image. This method reduces the requirements for the operator's ultrasound instrument operation skills, ultrasound expertise, and clinical expertise, eliminating the need for the operator to blindly adjust the ultrasound probe multiple times, thus improving acquisition efficiency and consequently enhancing ultrasound diagnostic efficiency.

The utility model discloses a lithium ion battery fluid collecting device, and belongs to the technical field of lithium ion battery detection auxiliary equipment. The device is provided with a gas collection chamber, a puncture device arranged at the gas inlet end of the gas collection chamber, and an exhaust soft rubber sealing joint arranged at the exhaust end of the gas collection chamber, the flexible glue adsorption head is mounted at the bottom end of the puncturing device and is used for being adsorbed on the surface of the lithium ion battery in a sealing manner; the bottom end of the puncture device is provided with a puncture needle capable of penetrating into a closed cavity formed by the flexible glue adsorption head and the surface of the lithium ion battery, and the bottom end of the puncture device is further provided with an adjusting device which can be penetrated by the puncture needle and is used for compensating the length of the puncture device. The gas collecting device has the advantages of being simple in structure, convenient to operate and high in gas collecting efficiency.

The application relates to a full polarization high-gain wide-band conformal antenna, belongs to the technical field of electromagnetic propagation and energy collection, and particularly relates to a full polarization high-gain wide-band conformal antenna and a small-size rectifier circuit. The application conforms to the inner wall of an energy collection box by using an improved structure simple Yagi antenna, expands the working frequency band range of the antenna, is convenient for integration with equipment, and reduces the size of the energy collection device. The application designs an ultra-wide-band and compact structure quadrature coupler which is integrated at the bottom of the device. The quadrature coupler can realize 3db coupling in a wide frequency band range, evenly divides the energy received by each port into two paths, and solves the problem of low efficiency caused by the imbalance of the rectifier link in the prior art. The rectifier is small in size, has a good joint simulation effect, and is convenient for integration. The antenna can work in different radio frequencies and power ranges.

The utility model relates to a riverway garbage cleaning device. The riverway garbage cleaning device comprises a collecting boat and a collecting box; a collecting through groove is formed in the front side of the collecting boat, and a placing cavity which communicates with the collecting through groove and is used for arranging the collecting box is formed in the top of the collecting boat; a collecting opening is formed in the side, facing the collecting through groove, of the collecting box. A turning plate assembly used for covering the collecting opening is rotationally mounted on the top wall of the collecting through groove; the turning plate assembly comprises a rotating mechanism fixed to the top wall of the collecting through groove and a rotating turning plate installed on the rotating mechanism. The device has the effect that the problem that the river channel garbage cleaning efficiency is low due to manual salvage is solved.

The invention relates to the technical field of semiconductor device photoelectric detection, in particular to a silicon carbide-based ultraviolet position sensitive detector based on a thin Schottky metal material and a preparation method thereof, and the silicon carbide-based ultraviolet position sensitive detector comprises an N-type ohmic contact lower electrode, an N-type silicon carbide substrate and an N-type silicon carbide low-doped epitaxial layer which are sequentially connected from bottom to top; the N-type silicon carbide low-doped epitaxial layer is provided with a Schottky metal film with the thickness lower than 4 nm, and the Schottky metal film is used for forming a photosensitive area. A plurality of metal conductive electrodes are arranged at the edge of the top of the Schottky metal film, are electrically connected with the Schottky metal film and are used for leading out position-related electric signals. The problems that an existing pn junction type position sensitive detector is limited in response speed and insufficient in time resolution are effectively solved, and the detection efficiency and the position resolution capacity of the detector in the vacuum ultraviolet band are effectively improved.

The utility model provides a kind of waste collecting device for generator production, belong to generator production technical field, including waste collecting plate;Two side baffles symmetrically equipped at the top of waste collecting plate;And the through groove being opened at the top central position of waste collecting plate;Four electric push rods symmetrically equipped at the bottom of waste collecting plate near the outside position of through groove;Clamp mounting table fixed to four electric push rod output end;Motor one is equipped on the outer wall of one side of side baffle;Ball screw one is fixed to the output end of motor one;The utility model drops to the below of waste collecting plate by clamp mounting table, and fills through groove and recess by using equal height plug-in board, so that the top of waste collecting plate is a complete plane, waste collecting plate top waste is pushed from both sides to fall when push plate moves horizontally linear reciprocating, realize to waste collecting plate cleaning and waste collection, and waste collecting efficiency is high.

The utility model provides a photovoltaic support and a roof. The photovoltaic support comprises a water guide groove and a lock seam clamp, the lock seam clamp is installed at the top of the water guide groove, and the two sides of the lock seam clamp are used for installing a plurality of photovoltaic assemblies respectively. And the water chute and the photovoltaic module are connected into a whole through the lock seam clamp, so that the potential safety hazards of water accumulation, water seepage, corrosion and the like in the punching installation of the photovoltaic module in the skid-mounted equipment room are solved. The roof of the skid-mounted equipment room and the photovoltaic system are combined and integrated into a photovoltaic integrated roof structure, so that loopholes or roof damage risks existing at punching positions are avoided, normal operation of devices in the skid-mounted equipment room is guaranteed, and meanwhile, the labor load of photovoltaic module installation is reduced. The roof of the skid-mounted equipment room adopts a prefabrication process, and photovoltaic integrated design is carried out on the roof structure of the skid-mounted equipment room. The installation of a photovoltaic support of a metal structure is avoided, the load of the roof of the skid-mounted equipment room is reduced, and meanwhile, the risk that the photovoltaic support is overturned and damaged in strong wind weather is avoided.

The utility model relates to portable crop pest killer technical field especially portable crop pest killer, including pest killer shell, the pest killer shell is provided with connecting mechanism, the connecting mechanism contains the first assembly of setting in the pest killer shell upper section, the second assembly is provided with in the pest killer shell middle section, the third assembly is provided with in the pest killer shell lower section. Portable crop pest killer adopts the physical pest killing mode of double pest killing lamp first pest killing lamp and second pest killing lamp combination airflow suction, avoids the use of chemical pesticide, effectively reduces the pollution to the ecological environment such as soil, water source, the top drive motor drives the fan blade to produce downward airflow, the bottom exhaust fan provides strong suction, both cooperate with each other, accelerate the pest to move to the pest killer inside and transport to the collecting cylinder, again cooperate with the control of the falling rhythm of the pest of rotary plate and fixed baffle, significantly improve the pest trapping and collection efficiency, and the pest killing effect is greatly promoted.

The utility model relates to the technical field of landscaping and environmental protection, and discloses a hand-held poplar and willow catkin absorbing machine which comprises an absorbing pipe, a collecting mesh bag, a fan and a power supply device, the fan used for generating negative pressure in the absorbing pipe is arranged at the position close to an opening of the absorbing pipe, and a bag opening of the collecting mesh bag is fixedly connected to an outlet of the absorbing pipe. The power supply device is electrically connected with the fan; and the suction pipe is connected with a supporting part. The absorption machine is low in production cost, convenient to install and maintain, easy and convenient to use, high in collection efficiency, economical and practical.

The invention discloses a spherical lens precise edge grinding machine with a self-adaptive floating centering mechanism, and relates to the technical field of intelligent machining equipment.The spherical lens precise edge grinding machine comprises an equipment body, a clamping mechanism and a grinding mechanism, the equipment body comprises an operation table, a rack is fixedly arranged on the upper surface of the operation table, and a fixing shell is fixed to the top of the rack; the front surface of the fixed shell is fixedly connected with a mounting plate; and the grinding mechanism comprises two limiting seats on the surface of the mounting plate. A laser sensor transmitting end and a laser sensor receiving end are arranged, the laser sensor transmitting end and the laser sensor receiving end and the grinding head are located on the same longitudinal plane, the center position of a spherical lens can be accurately detected, accurate centering and clamping of the lens are achieved in cooperation with a pneumatic chuck and a three-clamping-jaw clamping mechanism, the deviation problem in the edge grinding process is effectively avoided, and the production efficiency is improved. The edge grinding precision and consistency of the spherical lens are improved; meanwhile, the three clamping jaws of the pneumatic chuck are provided with the rubber blocks with the arc-shaped clamping grooves, the rubber blocks are attached to the shape of the spherical lens, clamping is more stable, and the surface of the lens is not prone to being scratched.

This invention provides a recycling and compression device for lithium battery positive and negative electrode waste, comprising a housing, a compaction unit, a purification unit, a waste collection trolley, and an electrical control system. The housing includes a settling chamber, a solid-gas separation device, an air duct switching device, and a housing frame. The compaction unit includes a compaction chamber, a push plate, and a drive device. This invention optimizes the air inlet structure design, significantly reducing the problem of waste material wandering inside the equipment and failing to fall into the compaction chamber, and reducing the risk of material blockage. Utilizing airflow guidance, it effectively ensures that the compaction chamber is filled with waste, improving collection efficiency, increasing the compression ratio, extending the service life of the servo cylinder, reducing energy consumption, and reducing the frequency of waste collection by workers. The addition of a pressure relief port at the outlet significantly reduces the frequency of equipment alarms and effectively pushes the waste into the collection trolley.

This utility model discloses a vibrating screen for spreading materials in an electrostatic separator, including a mounting frame, a vibrating frame, and an electrostatic separator disposed above the vibrating frame. A screen plate is disposed inside the vibrating frame to divide the inner side of the vibrating frame into a vibrating chamber and a vibrating separation chamber. The vibrating frame and screen plate are inclined downwards from right to left. A vibrating motor is disposed on the lower side of the vibrating frame. A material conveying device is mounted on the inlet of the vibrating frame. A first discharge cylinder and a second discharge cylinder are respectively connected to the left side of the vibrating separation chamber and the vibrating chamber. Two collection frames are disposed on the left side of the mounting frame. The upper parts of the two collection frames are respectively connected to a first receiving pipe and a second receiving pipe, which are located directly below the first and second discharge cylinders. A storage frame is inserted into each of the two collection frames. A pushing component is disposed inside the vibrating frame for pushing out residual materials from the vibrating chamber and the vibrating separation chamber. This utility model has the advantage of facilitating material collection.

The embodiment of the invention provides a log processing method and device and electronic equipment, and relates to the technical field of big data. According to the method, a predefined log format is generated in response to an execution request of a current test case, multiple pieces of server information associated with the current test case are obtained, after a test is triggered, a unique service identifier returned by a tested system is obtained, a matching rule is constructed according to the unique service identifier and the predefined log format, and the server information is matched according to the matching rule. According to the method, the log records associated with the current test case are screened out from the log files of the multiple servers, the problems that logs are scattered and manual positioning is difficult in a distributed environment are solved, and the accuracy of log association and the collection efficiency are improved.

This utility model relates to the field of labeling equipment technology, specifically an SMT automatic labeling device. It mainly includes a label machine housing, with a feeding rack installed on the front inner side of the housing and a transfer rack fixedly installed on the top inner side of the housing. A positioning plate is connected to the center of the top inner side of the housing. The guiding and collecting assembly includes a collecting box, with an adjusting frame connected to the outside of the collecting box. A guide box is fixedly connected to the top of the collecting box, and a reversing shaft is connected to the inside of the guide box. The observation and wiping assembly includes a protective plate, with a toggle plate at the top of the protective plate. This SMT automatic labeling device utilizes a reversing shaft for flexible positioning guidance during the labeling process, facilitating the even collection of release paper onto the winding shaft. The side rotation of the threaded rod also facilitates the disassembly and assembly of the winding shaft, improving the collection efficiency of the release paper. Through overall protective collection, it enables recycling and reduces operating costs.

The present application relates to the technical field of environmental monitoring of oil pollution area, and particularly relates to a multi-channel parallel acquisition interwell three-dimensional resistivity monitoring system and method for oil storage area. The power supply, the host, the multi-channel parallel acquisition device and the four-pole AM-BN acquisition device are sequentially connected. The multi-channel parallel acquisition device comprises a multi-channel electrode conversion box, a plurality of potential channel sockets are arranged in the multi-channel electrode conversion box, the number of the potential channel sockets is the same as the number of probes, twenty-four potential channels are arranged in each potential channel socket, a relay and a current channel switch are arranged in each channel, one end of the relay is connected with a corresponding electrode on the resistivity probe, and the other end of the relay is connected with an acquisition module. The system has high acquisition efficiency, can better realize real-time monitoring of leakage, has high monitoring precision, can accurately identify small leakage in the oil storage area, and realizes remote in-situ monitoring of oil pollution area leakage.

The invention discloses a method and a system for detecting rice bacterial leaf blight based on unmanned aerial vehicle spatial spectrum fusion. The method comprises the following steps: firstly, constructing a rice bacterial leaf blight detection data set; a rice bacterial leaf blight severity grading detection double-branch model is constructed, and the model adopts a spectrum-space double-branch parallel coding and fusion framework and comprises a spectrum branch module, a space branch module and a cross attention fusion mechanism module. And inputting the complete image of the rice field into the trained rice bacterial leaf blight severity grading detection double-branch model, and obtaining severity grading detection results of the bacterial leaf blight in different rice growth periods of the target field. According to the invention, deep complementation and dynamic information balance of spectrum and spatial features of the multispectral unmanned aerial vehicle are realized, so that the accuracy of disease detection and the generalization ability of the model are effectively improved.

The invention relates to a negative pressure system for collecting algae sediments. The negative pressure system for collecting the algae sediments comprises a negative pressure box and a collecting box, wherein the negative pressure box is arranged at the top of the collecting box; an algae outlet is formed in the bottom of the negative pressure box; an opening is correspondingly formed in the top of the collecting box; the top of the negative pressure box is provided with an algae inlet, and the side surface is provided with a negative pressure interface; a filter plate is fixedly arranged in the negative pressure box, the edge of the filter plate is connected with the inner wall of the negative pressure box, and the filter plate is parallel to the plane where the negative pressure connector is located. According to the negative pressure system for collecting the algae sediments, negative pressure driving is adopted, algae enter through the algae inlet of the negative pressure box, filtered water flow is discharged under the action of the filter plate, automatic collection of the algae can be achieved, and the collection efficiency is high.

The invention relates to the technical field of continuous casting steel plate polishing, in particular to a continuous casting steel plate polishing self-cleaning mechanism and a using method thereof.The continuous casting steel plate polishing self-cleaning mechanism comprises a storage box, the inner wall of the storage box is rotationally connected with a cleaning wheel, the top end of the storage box is fixedly connected with a conveying frame, and the inner wall of the conveying frame is rotationally connected with a conveying belt; fine scrap iron on the surface of a steel plate is preliminarily adsorbed through magnetic force, flying dust is reduced, by means of the X-shaped staggered winding transmission belt, reverse rotation of the cleaning wheel and the transmission belt is achieved, reverse scraping and sweeping are conducted by going deep into groove dead angles of protruding blocks, adsorbed waste is removed in real time, and waste accumulation is prevented from affecting transmission; the waste is naturally guided to the center of the drawing box by utilizing the inclined material distributing partition plate and the flow guide gap through gravity, the collecting efficiency is high, no dead angle exists, the jacking block automatically pushes the material distributing partition plate to seal the flow guide gap at the moment that a worker pulls out of the drawing box to clean the waste, and the problem that the waste is prone to scattering from the gap to cause secondary pollution in the ash cleaning process is solved.

The utility model relates to sewage treatment technical field discloses a deodorization mechanism of sewage treatment tank, including pipeline, the inside fixedly connected with fixed cylinder of pipeline, the inside slide connection has handle of fixed cylinder, the outer wall fixedly connected with extrusion piece of handle, the outer wall slide connection has spring of handle, the inside of fixed cylinder is equipped with limit slot, the outer wall of spring and extrusion piece all slide connection is in the inner wall of limit slot, the outer wall fixedly connected with limit block of extrusion piece, the outer wall of limit block has the filter screen of clamping, the inner wall of pipeline is provided with fan, the outer wall of pipeline is provided with protection assembly. In the utility model, through the mutual cooperation between pipeline, fixed cylinder, handle, extrusion piece, spring, limit slot, limit block and filter screen, the maintenance efficiency is promoted, the regular cleaning replacement is convenient to keep the best deodorization effect, reduces the downtime simultaneously, ensures that sewage treatment system continues stable operation.

The invention relates to the technical field of mineral flotation, and discloses a method for compounding a lithium oxide collecting agent in a low-temperature environment, and the lithium collecting agent comprises the following compounding raw materials in percentage by mass: 15-25% of palmitic acid soap; 10%-20% of sulfonated petroleum; 5% to 10% of iso-tridecanol polyoxyethylene ether; 8%-15% of fatty alcohol-polyoxyethylene ether; 3%-8% of polyoxyethylene ether sodium sulfonate; 5%-10% of dipropylene glycol monomethyl ether; 8%-15% of sodium carbonate; 2%-5% of sodium hydroxide; 0.5%-2.0% of sodium fluoride; 0.5%-2.0% of aluminum sulfate; 1%-4% of tannic acid; a synergistic surfactant system is formed by constructing palmitic soap and sulfonated petroleum as a main collecting frame and compounding isomeric alcohol ether, fatty alcohol-polyoxyethylene ether and polyoxyethylene ether sodium sulfonate, dipropylene glycol monomethyl ether is introduced as a low-temperature mutual solvent, and the low-temperature mutual solvent is used for collecting the high-temperature-resistant oil-displacing agent for the oil-displacing oil-displacing agent for the oil-displacing oil-displacing oil-displacing oil-displacing oil-displacing oil-displacing oil-displacing oil. The freezing point and viscosity of a collecting agent system are greatly reduced, the liquidity, uniformity and dispersion stability of the collecting agent are still kept when the collecting agent is used in the low-temperature environment of 0-15 DEG C, and the failure problem caused by low-temperature solidification or layering is fundamentally avoided.