52results about How to "Solve time-consuming and labor-intensive problems" patented technology

The invention relates to an automatic sorting system, and discloses an automatic sorting system and an automatic sorting method for express delivery. The automatic sorting system for the express delivery comprises a common word library, a road database, an interest point database, a history delivery database, a delivery data correcting module, a keyword extracting module, a keyword database and an automatic station identifying module. The automatic sorting method comprises the following main steps: keyword database modelling, address scanning and station matching. The invention provides the automatic sorting system and the automatic sorting method for the express delivery, wherein by adopting the automatic sorting system, the identification of delivery stations of the express delivery can be automatically completed without manual interference, sorting of transfer stations and terminal stations of the express delivery can be realized, very high accuracy can be ensured, the problems of easy error occurrence, misoperation, time and labor wasting and the like in a traditional manual sorting method or a semi-automatic sorting method in the express delivery industry are solved, automatic sorting by computers and machines is realized, and the sorting efficiency of the express delivery industry is greatly improved.

The invention discloses a device for automatically cleaning and transporting feces from a sheep house, comprising a sheep house, a manure collection tank arranged at the bottom of the sheep house, and a gathering device provided at the bottom of the manure collection tank, and is characterized in that: the outside of the manure collection tank is provided with There is a track groove on the manure falling port. The height of the track groove is higher than the bottom surface of the septic tank. There are stoppers on the side of the track groove. Under the action of the gathering device, the feces are gathered and scraped to the falling At the manure outlet, the feces fall from the manure outlet, and the lower side of the manure outlet is provided with a manure receiving belt corresponding to the manure outlet. One end of the manure conveying belt is connected to the manure belt through the manure cleaning board, and the other end is passed through another The manure cleaning board is connected to the manure collecting tank, and then the manure is transported into the manure collecting tank. The manure collected and scraped by the device does not need to be cleaned manually, and is automatically transported to the manure collecting tank or other manure collecting equipment, avoiding manual shoveling The high-intensity work of manure and manure pulling effectively reduces the cost of breeding.

The invention discloses a characteristic recommendation method and a characteristic recommendation device. The characteristic recommendation method comprises the following steps: according to an output textual characteristic estimation model, determining target values of textual characteristics in sample data, wherein the output textual characteristic estimation model is obtained according to the optimal combined characteristics selected from training data; according to the target values, sorting the textual characteristics in the sample data and according to a sequence of the target value from high to low, carrying out recommendation on the textual characteristics in the sample data. The characteristic recommendation method and the characteristic recommendation device can realize automatic selection of the effective combined characteristics, are time-saving and labor-saving, effectively solve the difficult problems of time waste and labor waste in the existing manual characteristic selecting process and can improve effectiveness of a recommendation system.

The invention relates to a vertical shaft rigid guide gap real-time monitoring device. The vertical shaft rigid guide gap real-time monitoring device consists of a gap adjusting device, a lever distance measuring device, a base, a display device, an explosion-proof box and a height laser distance measurer. During working, the vertical shaft rigid guide gap real-time monitoring device is mounted atthe top end of a guide; and a roller is tightly bonded on the surface of the guide according to the prepressing quantity of a guide gap adjusting spring for measurement. During measuring, data testedby left and right laser measurers and the height laser distance measurer are recorded in a single-chip microcomputer; the measured data are processed by the single-chip microcomputer; and curves of guide gaps and heights are displayed on a serial port screen. The invention further relates to a measuring method. The measuring device is simple in operation, can monitor the guide gaps in real time,is high in measuring precision, is suitable for measuring the guide gaps, and can improve the vertical shaft operation safety and efficiency.

The invention discloses a clamp for a bursting test of a geosynthetic material. The clamp comprises a base, an upper clamping plate, a movable lower clamping plate and an oil jack, wherein the base isvertically provided with multiple sliding rods; the movable lower clamping plate is formed by a lower clamping plate, a chassis and hollow connecting rods; the lower clamping plate and the chassis are connected through the hollow connecting rods; the hollow connecting rods of the movable lower clamping plate sleeve the sliding rods; the upper clamping plate is fixed to the top ends of the slidingrods; the oil jack is arranged in the axis of the base, and the chassis is enabled to be in contact with the top end of a piston rod of the oil jack. During use, a cylindrical geosynthetic material testing sample can be put on the lower clamping plate, then a rocking rod of the oil jack can be shaken, and the piston rod is enabled to ascend to erect the movable lower clamping plate until the geosynthetic material testing sample is clamped by the lower clamping plate and the upper clamping plate. According to the clamp disclosed by the invention, the operation is convenient, ascending and descending of the piston rod of the oil jack can be freely controlled by utilizing the manual rocking rod, so that the magnitude of a clamping force can be effectively controlled, and the controllabilityis higher.

The invention discLoses a reserving method for constructing an expansion joint in a concrete terrace. The method incLudes the foLLowing steps that S1, a padding Layer is constructed, wherein the concrete padding Layer is constructed according to the ground condition so that the ground can be fLat as a whoLe; S2, Line paying-off is performed, wherein according to the detaiLed requirements of a designed expansion joint drawing, a chaLk Line is utiLized for performing ground Line snapping on the surface of the padding Layer in the S1, a straight Line is drawn, and the detaiLed position of the expansion joint is determined; S3, a prefabricated extruded sheet is pLaced, wherein according to the Line-snapping position determined in the S2, the prefabricated extruded sheet is pLaced. In the method, the prefabricated extruded sheet is utiLized for temporariLy repLacing a reserved expansion joint and puLLed out after terrace concrete is poured, in this way, it is avoided that in a traditionaL technoLogy, a cutting machine and others are used for cutting the terrace again to form the joint, the probLem is soLved that time and Labor are wasted when the joint is constructed in the prior art, Labor costs are Lowered, the appearance quaLity after forming is good, and construction speed is increased; in addition, the reserving method can be used for reserving expansion joints such as a fLoorterrace expansion joint, a roof expansion joint, a road expansion joint and a bridge expansion joint.

The invention provides a helical gear spiral induction heating simulation method based on an ANSYS simulation platform. The number and spacing of the profiling coils in the geometric model are adjusted, and a local coordinate system DO cycle command is imported to automatically control the transformation process of the profiling coils, so the simulation of the flexible variable-speed motion process of the bevel gear relative to the profiling coils is achieved, and simulation is closer to reality. Meanwhile, ANSYS software serves as a platform in the whole simulation process, the simulation process runs automatically, operation is easy, and factory technicians can master and use the simulation process conveniently.

The invention discloses a method for obtaining hedychium coronarium tetraploid plants by a slice culture technology. The method comprises the following steps: cutting a slice from a tube seedling stem section, processing the slice by using colchicines, and then carrying out adventitious bud induction on the processed slice by adopting the slice culture technology to obtain regenerated plants; detecting the regenerated plants; and screening to obtain the tetraploid plants. According to the method, when induced mutation is carried out, the used explants are the slices, only are 0.3-0.5mm in thickness, and are few in cells; when treatment is carried out by using colchicine, the cells of the explants can be fully exposed in a liquid medicine; most of the obtained plants are homozygote; the screening processes of polyploid plants are simplified; and the used chromosome number analysis technology has the advantages of being simple in operation, short in required time, clear in obtained chromosome image and the like. The method disclosed by the invention has the advantages of being simple in operation, high in plant regeneration frequency, short in regeneration cycle, easily available in materials, strong in operability and easy to popularize and promote.

The invention discloses a cup mouth foundation template reinforcing and hydraulic dismounting construction process. The construction process comprises the steps of: (1) construction preparation; (2) template manufacturing; (3) template construction; (4) concrete casting; (5) template dismounting; and (6) template cleaning. The construction process has the following beneficial effects: the construction process is fast and convenient for operation, and can reduce such complex procedures as scene repeated support and reinforcement; prefabricated cup mouth templates can be transferred and used by more than ten times through use proof; and the templates are manufactured in a finished product prefabricating manner, and the construction quality is strictly controlled in the manufacturing process, so that the self stability of the templates is high.

The invention relates to a bridge galvanized steel wire clamping device in a high frequency fatigue test. The clamping device comprises two opposite bases (1), two rivet barrels (2) and two anchors (3), wherein the rivet barrels (2) are arranged in the bases (1); the anchors (3) are arranged in the rivet barrels (2). The bridge galvanized steel wire clamping device in the high frequency fatigue test disclosed by the invention fundamentally solves a problem of time and labor consumption in loading and unloading processes when the high frequency fatigue test is carried out on a bridge galvanized steel wire; in the high frequency fatigue test, a clamped end of the steel wire is not easy to break, thus guaranteeing effectiveness of the test; the clamping device is simple in design and structure, and convenient to use.

The invention relates to an automatic wire binding machine for electric power engineering. The automatic wire binding machine comprises a base, a supporting frame, a bobbin fixed on the supporting frame, a vertical plate and a motor fixed on the supporting frame. The motor is connected with the bobbin through a rotating shaft arranged on the vertical plate, the supporting frame is provided with a beam, the beam is provided with a strut, and the strut is hinged to the beam and provided with a sleeve ring. When the automatic wire binding machine is used for winding of binding wires such as copper bare wires, due to the fact that the bobbin is connected with the motor through the rotating shaft, after a power source is powered on, the motor drives the bobbin to rotate, and the binding wires can be wound on the bobbin. The automatic wire binding machine can effectively solve the problem that manual winding of the binding wires wastes time and labor, working efficiency is improved, the automatic wire binding machine is simple and convenient to operate, and the well wound binding wires are tidy and attractive.

The invention discloses a tool of suspending an insulated flexible ladder on live wires, solving the problems that a current tool is hard to perform overhead working, is easy to damage seriously, and is difficult in guaranteeing operation effectiveness. The tool is characterized in that the top of a tackle hook head is provided with a groove and a connection hole I, and a separated pull plate is inserted into the groove, and is fixed through a pin I; the head is provided with a groove and a connection hole II, and a guide plate is inserted into the groove, and is in shaft connection through a second pin II; the guide plate is in connection with a suspension power rope through the connection hole II, and the separated pull plate is in connection with a separated power rope through the connection hole I; the tackle hook head is in connection with an insulated pulley through a fixing clamping plate, a connection bolt and a connection screw. The tool is portable, flexible, safe, reliable and practical, is convenient to operate, and can overcome deficiencies of traditional working methods, solve the problem of time and energy waste in suspending an insulated flexible ladder in a hot-line work process, and substantially reduces work personnel labor intensity and hot-line work risks.

The invention relates to a robot vision-based method for identifying mould and accumulated dust in a concentrated wind system, which comprises the following steps of: acquiring a panoramic video stream in a ventilation system by using a movable pipeline robot carrying a high-definition camera, and performing illuminance reduction, noise elimination and image enhancement on image frames containing mould and accumulated dust by combining a plurality of algorithms; and achieving identification of mold and dust accumulation image features through construction of a deep neural network. In the aspect of application, a big data analysis method can be introduced according to periodically polled video sampling data to reveal where accumulated dust and mould are easily generated in the air duct, and a basis is provided for periodic and directional cleaning of a ventilation system. Aiming at the defects that at present, the detection of mould and accumulated dust in a centralized air system mainly depends on a biological sampling culture method, the consumed time is long, and only some parts of a ventilation system can be analyzed, the detection efficiency of the substances can be greatly improved by adopting the method; and support is provided for establishment of a visual diagnosis and quantitative evaluation method for the internal environment of the centralized ventilation system.

The invention relates to a rope climbing robot. An inner cylinder wall is arranged in an outer cylinder wall, electric motors are symmetrically arranged between the outer cylinder wall and the inner cylinder wall, gears are symmetrically arranged between the outer cylinder wall and the inner cylinder wall, holes matched with the gears are symmetrically formed in the inner cylinder wall, the gearsare connected with transmission wheels B through transmission shafts, bearings A are arranged between the gears and the transmission wheels B, brackets are arranged in the outer cylinder wall, the brackets are located on the both sides of the transmission shafts, hydraulic cylinders are symmetrically arranged in the outer cylinder wall, the hydraulic cylinders are located between the brackets, oneends of the hydraulic cylinders are connected with the bearings A, the other ends of the hydraulic cylinders are connected with the outer cylinder wall, transmission wheels A are arranged on the rotating shafts of the electric motors, the transmission wheels A and the transmission wheels B are driven by transmission belts, a battery is arranged on the outer side of the outer cylinder wall, reinforcing columns are symmetrically arranged on the outer side of the outer cylinder wall, a controller is arranged on one side of the reinforcing columns, bearings B are arranged at the bottoms of the reinforcing columns, the lower ends of the bearings B are connected with hooks, and a rope penetrates through the inner cylinder wall. The rope climbing robot has the beneficial effects that the operation is convenient, and the problem of time-consumption and labor-consumption for transporting heavy objects at high altitude is solved.

The invention relates to a method for manufacturing a transformer reel. The method comprises the following steps: providing a metallic conductor material; punching the metallic conductor material to ensure the metallic conductor material is separated into at least two metallic conductor materials; aligning a metal frame on each metallic conductor materials; guiding the metallic conductor materialsto integrally mold a plurality of transformer reels in an embedded injection molding mode; and cutting each transformer reel. A manufacturing machine of the transformer reel comprises a feeding device with the metal conductive material, a punching device for receiving the metallic conductor material and punching the metallic conductor material into at least two metallic conductor materials, an embedded injection molding device for receiving the metallic conductor material and integrally molding the metallic conductor material into the plurality of transformer reels in the embedded injection molding mode, and a cutting device for receiving the plurality of transformer reels and cutting each transformer reel. The method and the manufacturing machine solve the problem that the conventional integral molding process of embedding pins into a mold one by one wastes time and labor, and reduce manufacturing cost.

The present invention discloses a Hall induction intelligent optical fiber adapter. The Hall induction intelligent optical fiber adapter comprises an adapter body, magnet and a Hall switch and an indication lamp which are arranged on a PCB, the adapter body is located below the Hall switch and the indication lamp, and the magnet is movably installed on the adapter body. The adapter provided by the invention is able to automatically monitor the state of an optical fiber connector plug and solve the problems that mutual recording of optical fiber connection state is easy to make mistakes and costs time and labor so as to reduce the post-maintenance cost of an ODN network.

The invention discloses a multifunctional automatic nail extractor and an assembling method thereof, and belongs to the field of work office. The multifunctional automatic nail extractor comprises chucks and handles, the chucks comprise a movable chuck and a fixed chuck, the handles comprise a handheld handle and a shearing handle, and the handheld handle is fixedly connected with the fixed chuck; the handheld handle and the shearing handle are rotatably connected through a central shaft; clamping grooves are formed in the chucks, an upper clamp and a lower clamp are installed in the clamping grooves respectively, and the upper clamp and the lower clamp are rotatably connected; one end of the upper clamp and one end of the lower clamp extend out of the chucks and are used for clamping a nail, the other end of the upper clamp and the other end of the lower clamp are connected with a drawing mechanism, and the drawing mechanism is positioned above the shearing handle and is integrally formed with the shearing handle. According to the multifunctional automatic nail extractor provided by the invention, a mechanical structure that automatic clamping and pulling are completed at a time is ingeniously utilized, various types of nails can be taken out, the application range is wide, the automatic nail extractor does not need manual drawing, the nails can be automatically taken out, use is convenient, and paper cannot be damaged.

A solar module detection method is used to detect the solar cells of a solar module. The detection method comprises a powering-on step: making solar cells electroluminescent; an image capture step: capturing an image of the solar cells emitting light; a luminous intensity analysis step: analyzing the captured image; a detection object selection step: finding out solar cells with low luminous intensity; and a detection step: detecting the solar cells with low luminous intensity. If a solar cell is of lower luminous intensity, the photoelectric conversion efficiency of the solar cell is poorer, and the current produced by the solar cell is lower. In the detection step, only a few decisive solar cells are detected. Thus, there is no need to detect all the solar cells in the detection method, the detection efficiency is improved, and time and labor are saved.

The invention discloses a high slope bolt and cable operation platform and a construction method. The high slope bolt and cable operation platform is mainly structured in that a slope crest horizontalrail and a slope bottom horizontal rail are paved on the slope crest and the slope bottom of a high slope, separately, and meanwhile, two slope guide rails are paved on the slope surface to form a slope rail sliding system. Bolt and cable operations of the high slope are finished under the action of a guide rail system through a self-made K-shaped lifting rack with horizontal and oblique telescopic arms. The construction method comprises the following steps of first, forming bolt and cable drilling points by means of a total station with a laser collimation device; and then mounting a bolt and cable down-the-hole drill on the K-shaped lifting rack capable of stretching freely to fit different slope rates. Under the action of the guide rail system, the technical problem about how to efficiently finish related construction in the high slope bolt and cable construction operation can be solved freely, automatically and excellently along the slope surface.

A simple double-wall corrugated pipe mounting device comprises a pair of rack sliding rails arranged in parallel, a pair of fixed semicircles arranged between the rack sliding rails and push-pull rods connected with the fixed semicircles and used for pushing and pulling the fixed semicircles, the fixed semicircles are tightly attached to the outer sides of corrugated pipes, the pair of rack sliding rails are arranged on the two sides of corrugated pipes respectively, the pair of fixed semicircles are located in the spiral range of the two corrugated pipes that are connected with each other and inserted into each other, the push-pull rods are manually pushed and pulled to drive the fixed semicircles of the corrugated pipes fixed to insertion sides to slide on the rack sliding rails, and the corrugated pipes are inserted in place. According to the simple double-wall corrugated pipe mounting device, the rack sliding rails of the pipeline mounting device are arranged on the two sides of the pipelines, the push-pull rods are manually pushed and pulled, sliding devices drive the fixed semicircles of the pipelines fixed to the insertion sides to slide on the rack sliding rails, the pipelines are inserted in place gradually, and the problem that the quality is difficult to guarantee through a traditional method is perfectly solved.

The invention relates to a method for accelerating change of a molecular structure of wine by simulating seasons of spring, summer, autumn and winter. According to the invention, four storage containers, four temperature and humidity controllers, four spray apparatuses, three heating devices and one refrigeration unit form a simulation system for spring, summer, autumn and winter; the newly distilled wine is placed in the four storage containers, a simulation system is turned on, with the change of humidity and temperature in the simulation of spring, summer, autumn and winter, four temperature and humidity controllers are respectively controlled to control the humidity and temperature, the temperature is controlled separately at 8 DEG C to 15 DEG C by simulating spring, 25 DEG C to 35 DEGC by simulating summer, 17 DEG to 25 DEG C by simulating autumn, and 0 DEG C to 6 DEG C by simulating winter; 28 days is a cycle period, the wine circulates in four storage containers simulating spring, summer, autumn and winter, which enhances the molecular activity of various substances and enhances the volatilization of low-boiling components, accelerates the formation of large molecular association group between alcohol and water molecules in the wine, and becomes a cooked wine. The storage time of the method is 10 times less than the traditional storage time, and the cost is low.

The invention provides a cleaning robot for a high-energy pulse shock tunnel. The cleaning robot for the high-energy pulse shock tunnel comprises a brush roll system, a walking system, a dirt collecting system and a control system which are sequentially connected, the brush roll system comprises a brush roll and a brush roll motor used for driving the brush roll to rotate, and spray holes used for spraying cleaning media are distributed in the outer wall of the brush roll; the walking system comprises a walking device used for walking and a medium conveying device used for conveying cleaning media to the spraying holes, the medium conveying device is communicated with the spraying holes through a medium conveying pipe, and the dirt collecting system comprises a spring hose matched with the wind tunnel pipeline and a dust collecting bag arranged on the downstream portion of the spring hose. The control system is connected with the brush roll motor and the power mechanism of the walking system through cables so as to control the brush roll motor and the walking system. The cleaning robot can effectively solve the problems that the high-energy pulse shock tunnel is high in cleaning difficulty, much in oil stain, long in laying length, time-consuming, labor-consuming and the like.

The invention discloses a canteen dish selling display window which comprises a main frame, an observation mirror assembly, a conduction mirror assembly, a primary reflecting mirror assembly, a selling platform, dish storage pots and a dish storage platform. The primary reflecting mirror assembly is positioned right above the dish storage platform and is used for primarily reflecting diffuse reflection light rays generated by the dish storage pots; the conduction mirror assembly is positioned above the selling platform, and mirror planes of a conduction mirror and a primary reflecting mirror are opposite and parallel to each other; the conduction mirror is used for transmitting diffuse reflection light rays reflected by the primary reflecting mirror to an observation mirror; the observation mirror assembly is positioned above the conduction mirror assembly, and mirror planes of the observation mirror and the conduction mirror are opposite to each other; queuing meal purchasers can observe the dish storage pots and dishes in the dish storage pots by the aid of the observation mirror. The canteen dish selling display window has the various advantages that the canteen dish selling display window is simple in structure and low in cost, can bring convenience for observing the dish storage pots and the dishes, and can assist in displaying different types of information of the disheswithout disturbance on visual fields of the front-row queuing meal purchasers, and the like.

The invention discloses a full-automatic hydraulic grab loading system and an asphalt pavement maintenance vehicle including the same, belonging to the field of road maintenance equipment. The full-automatic hydraulic grab loading system comprises a fixed base, a slewing bearing, a slewing vertical pillar, an amplitude-variable hydraulic cylinder, a stretchable suspension arm, a two-section hydraulic cylinder, a rotating hydraulic cylinder, a grab fixing seat, grabs, a grab hydraulic cylinder and a grab support seat. According to the full-automatic hydraulic grab loading system, the precise positioning, automatic grabbing, slewing feeding and precise unloading of asphalt mixed materials in any region of stretching and turning radii of the suspension arm can be realized; 160-degree rotation operation of the system is realized by virtue of the slewing bearing, the stretching and the folding of the suspension arm are realized by virtue of the hydraulic cylinder, the slewing and the stretching of the grab are realized by virtue of the rotating hydraulic cylinder, and the automatic grabbing and unloading of the asphalt mixed materials are realized by virtue of the grab hydraulic cylinder; by utilizing a three-section suspension arm, the stretching under the driving of the two-section hydraulic cylinder is realized, and 75-degree folding under the action of the amplitude-variable hydraulic cylinder is realized; and the grabs are symmetrically arranged, so that the 360-degree rotation operation under the driving of the rotating hydraulic cylinder is realized.

The invention discloses a betel nut cutting machine which comprises an automatic feeding device, a direction adjuster, a balance weight, a fruit feeding wheel, a slitting positioner and a cutting device. The automatic feeding device is located in front of the direction adjuster. The direction adjuster comprises a series of concave wheels which are linearly arranged. The concave wheels are driven by a first motor. The fruit feeding wheel is located above the direction adjuster. A groove is formed in the fruit feeding wheel. Protruding teeth are arranged on the two edges of the groove and are of a symmetric structure. The fruit feeding wheel is driven by a second motor and is fixedly connected with the second motor to form a whole and connected with the balance weight through a connecting piece. The slitting positioner is located behind the direction adjuster and is located below the fruit feeding wheel. The cutting device comprises a cutting blade which is driven by a third motor. After fruits pass through the direction adjuster, the fruits are cut through the cutting blade under the effect of the fruit feeding wheel and the slitting positioner. The betel nut cutting machine is used for cutting betel nuts so that the labor intensity of workers can be lowered, the working efficiency is improved, the product quality is ensured, and the market development demand can be met.

The invention provides a cable lug cassette device which includes an inner plate, an outer plate and a winding spring, wherein the inner plate is placed in the outer plate, the winding spring is placed in the space enclosed by the concave surface of the inner plate and the outer plate, the starting terminal of the winding spring is fixedly connected with the outer plate through a central bolt, the center of the inner plate is rotatably connected with the central bolt, the tail end of the winding spring is fixedly connected with a fixing bolt which is inserted in the bottom edge of the inner plate, the inner plate is also fixedly connected with a rotating separation blade through the fixing bolt, and a side wall of the rotating separation blade is close to a side wall of the outer plate, the side wall of the outer plate is provided with a wire arranging opening, one end of the wire arranging opening is connected with a fixed row trough piece and a fixed type fixing separation blade for blocking cable lugs, and the other end of the wire arranging opening is connected with an adjustable trough piece. The present invention also provides semiautomatic crimping pliers comprising a crimping pliers body and the cable lug cassette device. The cable lug cassette device and semiautomatic crimping pliers can improve the cable crimping work efficiency and are applicable to cable lugs of different specifications.

The invention discloses a convenient-to-mount PTC (positive temperature coefficient) heater. The convenient-to-mount PTC heater comprises a mounting plate. A shell is fixedly connected to the top of the mounting plate, and grooves are formed in both sides of the back side of the shell; a heater body is arranged at the center of an inner cavity of the shell; clamping grooves are formed in the topsand the bottoms of two sides of the heater body. The convenient-to-mount PTC heater has the advantages that through interaction among the clamping grooves, a cabinet, moving blocks, moving columns, springs, buttons, first pull rods, movable columns, bearings, second pull rods, fixed blocks, movable plate, clamping blocks, sliding grooves, sliders, cushions and limiting blocks, the PTC heater is convenient to mount, the problem of time and labor consumption caused by cumbersome operation during mounting of existing PTC heaters by mounters is solved, time and labor are saved when the mounters mount the PTC heater, the working efficiency of the mounters is improved, and accordingly, the practicability of the PTC heater is improved.

The present invention provides a feature recommendation method and device. The feature recommendation method includes: determining a target value of text features in sample data according to an output text feature estimation model, wherein the output text feature estimation model is selected from training data according to The optimal combination of features is obtained; the text features in the sample data are sorted according to the target value, and the text features in the sample data are recommended according to the target value in descending order. The invention can realize automatic selection of effective combined features, save time and effort, effectively solve the problem of time-consuming and labor-intensive in the existing manual feature selection process, and can improve the effectiveness of the recommendation system.