62results about How to "Out of trouble" patented technology

The invention discloses an indoor navigation system and an indoor navigation method thereof. The indoor navigation system comprises a system management client, a position and navigation server, a mobile terminal, a mobile terminal, two-dimension code labels arranged at various indoor navigation target positions, and a database server, wherein the two-dimension code identification information of the two-dimension code labels and the target position information are bound and stored in the database server; the system management client is connected with the database server; the database server is connected with the position and navigation server; the position and navigation server wirelessly in communication with the mobile terminal; the mobile terminal can scan the two-dimension code labels at various navigation target positions. The indoor positioning is realized based on the two-dimension codes, the problem that the indoor positioning is inaccurate in the prior art is solved, and the indoor positioning precision is improved; moreover, navigation is performed according to the guidance of color sequence, so that the reasonability and the universality of the indoor navigation system are improved.

The invention relates to a bulk collecting and intensive placing spinning cake device for a semiautomatic joint spinning machine. At present, equipment special for carrying and intensively placing spinning cakes scattered on every spinning machine. The bulk collecting and intensive placing spinning cake device comprises a forklift body, and is characterized by further comprising a driving piece, a spinning cake storage rod transposition device, a spinning cake storage rod lateral sway device, a plurality of spinning cake storage rods, spinning cake push heads and spinning cake storage rod reversing devices, wherein the spinning cake storage rod transposition device is provided with a filament taking working position; the spinning cake storage rod lateral sway device is arranged at the front end of the forklift body; the spinning cake storage rod transposition device is arranged on the spinning cake storage rod lateral sway device; on the spinning cake storage rod transposition device,every spinning cake storage rod is arranged on the spinning cake storage rod transposition device through a spinning cake storage rod reversing device; the spinning cake storage rods have horizontal structures; each spinning cake push head is arranged on a spinning cake storage rod respectively; and the driving piece is connected with the spinning cake push heads. The bulk collecting and intensive placing spinning cake device has a reasonable structural design, the labor frequency of workers can be lowered effectively, the labor intensity is lowered, and the labor resource is saved.

The invention relates to a speech instruction recognition method for intelligent glasses applied to the field of car maintenance, belongs to the field of car maintenance, and aims to solve the technical problems of speech instruction recognition of the intelligent glasses applied to the field of car maintenance. According to the technical scheme, the method includes the steps that speech instructions are transmitted to a speech recognition matching module in the mainframe of the intelligent glasses for speech preprocessed and sound signal feature extraction; extracted features are recognized in a classified manner to judge whether the extracted features are speech instruction signals or not; and if the extracted features are speech instruction signals, the speech instruction signals are matched with instructions in a speech instruction library, and the most similar instruction is selected and output. The method has the effects that convenience for using the intelligent glasses for car maintenance is increased greatly.

The invention discloses a method for detaching parts in the automobile maintenance process through a pair of intelligent glasses, and belongs to the field of automobile maintenance. The technical problem that in the prior art, a pair of intelligent glasses is not good in data collection and touch operation position is solved. The method is technically characterized in that glasses legs are each provided with a rotary bend, one side of each rotary bend is connected with a first straight plate, each first straight plate is provided with a touch panel facing the outer side of the corresponding glasses leg, and the other side of each rotary bend is connected with a second straight plate; the upper side and the lower side of one of the second straight plates are provided with extending bottom plates, a containing part for a camera is formed between the second straight plate and the bottom plates, a camera installation hole is formed in the second straight plate, and the two bottom plates are connected with a ray machine which is located in front of the part, closer to the ray machine, of a glasses lens frame; the glasses lens frame is connected to the positions, close to the rotary bends, of the first straight plates, and the first straight plates are basically perpendicular to the second straight plates. The method has the advantage that the data collection and touch operation position of the intelligent glasses is good.

The invention discloses a method of recognizing a vehicle license plate through intelligent glasses and acquiring vehicle information during a vehicle maintenance process, which belongs to the field of vehicle maintenance and aims at solving the technical problems of recognizing the vehicle license plate through the intelligent glasses and acquiring the vehicle information during the vehicle maintenance process. According to the technical points, characters in the vehicle license plate region are cut independently, each character or number forms an independent image, recognition is carried out, an offline well-trained classification model is adopted to carry out classification recognition on each character or number image, a confidence score of each recognition character is judged, and the character with the highest confidence is selected to serve as the final recognized character. The method of the invention has the effects that the vehicle information is basic information acquired by other data during the vehicle maintenance process, the intelligent glasses used for vehicle maintenance have a vehicle license plate recognition function, and an important role is played.

The invention discloses a tracked steamship / vehicle for rescuing on an ice surface and a wet land, belonging to rescue equipment. The tracked steamship / vehicle comprises a hull, a cabin, watertight bulkheads, a water-resisting enclosure, track wheels, a pendulum shaft, a damping shock absorber, a rescue suspension arm and a buckling claw. The tracked steamship / vehicle is characterized in that the tracked wheels connected and fixed together with the pendulum shaft of which the middle is longitudinally fixed and two horizontal ends swing vertically are arranged below two sides of the hull; and the periphery and the bottom of the hull are provided with the watertight bulkheads of which the total buoyancy is larger than the total weight of the steamship / vehicle. The water-resisting enclosure is arranged at the periphery above a deck of the cabin, and the front part of the deck is provided with the rescue suspension arm. Compared with the prior art, the tracked steamship / vehicle has the functions of advancing on the ice surface and the wet land and in water, also has the advantages of safety in use, wide in application range, high in adaptability and the like and has favorable popularization and application values.

The present invention discloses a smart grid communication method based on an LTE distributed network. The architecture of the LTE distributed network comprises a terminal and a virtualized EPC core network which is integrated into wireless base station equipment. The method comprises video surveillance communications and emergency command communication. According to the power wireless broadband special network based on the LTE technology, the limitation of a wired environment by an environment structure is avoided, the requirements of safety and reliability can be satisfied, the method can be widely applied to a power grid station, distribution network automation modification and other fields.

The invention discloses a double-flat-tail striking fishing float comprising a float body in the middle, a float tail on the upper portion and a float foot on the lower portion. A float cell coating is arranged on the surface layer of the float tail. The fishing float is characterized in that the float tail is provided with a large flat tail structure and a small flat tail structure comprising at least one flat strip-shaped small flat tail section; the large flat tail structure comprises at least one large flat tail section, and each large flat tail section comprises a left flaky wing and a right flaky wing; the visual surface width of the large flat tail structure is larger than that of the small flat tail structure, the thickness of the wings in the large flat tail structure are smaller than that of the small flat tail structure, and the total length of the large flat tail structure is smaller than that of the small flat tail structure. The visual effect, sensitivity and turning-over performance of the fishing float can be greatly improved, and the fishing float is obviously improved in the aspect of drifting resistance, the aspect of turning-over water resistance, the aspect that a striking fishing float cannot be arranged in the middle of a float tail easily and the aspect of float body and float foot performance.

The invention discloses a method and a system for realizing multi-point light focusing and light spot optimization at any position. The method for realizing multi-point light focusing and light spot optimization at any position comprises the following steps: under the condition that no samples are loaded, carrying out graded distribution phase modulation focusing on light beams, thus obtaining ideal focusing light spots; after the samples are loaded, enabling the light beams to be focused to a scattering medium, thus obtaining distortion scattering light spots; partitioning an image of a spatial light modulator, loading phase light focusing to each subarea, thus obtaining corrected scattering light spots, and carrying out once correcting cycle, thus obtaining new modulation phase distribution; loading the new modulation phase distribution to a spatial light modulator, carrying out modulation, carrying out light focusing again, thus obtaining the corrected light spots after the correcting cycle, and carrying out cross correlation calculation with the ideal focusing light spots, thus obtaining a cross correlation coefficient; and carrying out a plurality of times of circular correcting through iteration till the cross correlation coefficient after correcting cycle is greater than a preset coefficient threshold value. With the method and the system, the distribution of the scattering light spots is optimized, the limitation that the existing optogenetics photostimulation and microimaging scheme only can realize the stimulation at the single area is broken through, and the multi-area photostimulation and microimaging can be simultaneously realized under the great depth inside the brain.

The present invention provides an application method of smart glasses for automobile long-distance maintenance support, belonging to the field of automobile maintenance. The object of the application method of smart glasses for automobile long-distance maintenance support is to solve the technical problems of poor positions of data acquisition and touch operation through the smart glasses. Each leg of glasses is provided with a convolute bending, one side of the convolute bending is connected with a first straight panel, and the first straight panel is provided with a touchpad facing the outer side of the leg of glasses; the other side of the convolute bending is connected with a second straight panel, extended bottom plates are arranged at the upper side and the lower side of the second straight panel, and the extended bottom plates and the second straight panel form the holding portion of a camera; the second straight panel is provided with the mounting hole of the camera, the two bottom plates are connected with a buffing machine, and the buffing machine is located at the front of an eyeglass frame closer to the buffing machine; and the eyeglass frame is connected with the first straight panel and arranged at the position close to the convolute bending, and the first straight panel is basically perpendicular to the second straight panel. According to the invention, the positions of data acquisition and touch operation through smart glasses are relatively good.

The invention discloses a Jop-Shop scheduling method based on a QEA variable rotation angle distance. Quantum chromosome coding based on procedures is adopted for expressing a schedule, and by detecting the validity of the schedule, the searching efficiency of a solution space is increased; furthermore, a quantum evolution algorithm mode based on the QEA variable rotation angle is utilized for generating a filial generation, so that the diversity of solutions is effectively expanded, and the convergence to a local optimal solution is effectively prevented; in addition, the convergence speed is increased, and a global optimal solution is finally obtained with a minimal time cost (namely the optimal scheduling scheme is realized). According to the invention, the binary solution mode, the decimal solution mode, the procedure solution mode and the quantum evolution algorithm based on the quantum evolution algorithm are utilized, so that the efficiency of the method is better than the efficiency of other methods.

The invention relates to an all terrain moving detection robot. A wheel type structure is used for walking on the flat ground; a caterpillar track structure is used for walking on complicated pavement. The robot comprises a wheel type composition part, a vehicle body, an underpan system, a steering engine system, a controller, an environment detection system, a power supply system and a driving motor, wherein the vehicle body is positioned above the underpan system; the driving motor comprises a wheel type driving motor and a caterpillar track type underpan driving motor; the underpan system comprises a caterpillar track, a synchronous belt wheel, an underpan support frame and a caterpillar track underpan driving motor; the synchronous belt wheel comprises a driving wheel and a driven wheel; the caterpillar track type underpan driving motor is arranged on the underpan support frame; the driving wheel of the synchronous belt wheel is connected with an output shaft of the caterpillar track type underpan driving motor; the caterpillar track is engaged with the synchronous belt wheel and is driven to move.

The invention relates to a satellite navigation-based emergency device capable for dealing with the abnormal conditions of road traffic. The emergency device comprises an on-board processing device and an auxiliary device position in an emergency center, wherein, the on-board processing device comprises a satellite navigation device, a mobile communication device, an abnormal recognition device, an interior communication device and an automatic processing device which are connected through data interfaces; the auxiliary device is used for receiving, handling and sending the abnormal conditions of the vehicle; and the emergency device enables the vehicle and the emergency center to form a road traffic emergency network. The device enables the emergency information to be shared under the traffic emergency network built by the on-board processing device as well as the emergency center processing device so that people can face the abnormal conditions of the road traffic together. When an abnormal circumstance occurs during the driving process of the vehicle, not only the abnormal conditions can be automatically handled, but also the emergency center is informed of help obtained from the emergency center through the device, and the abnormal conditions can be forwarded to other vehicles through the emergency center to remind the other drivers to pay more attention to the traffic safety.

The invention discloses a method of recognizing parts during a maintenance process by intelligent glasses, which belongs to the field of vehicle maintenance, and solves the technical problems of intelligent glass data acquisition and a bad touch control operation position in the prior art. According to the technical point, a glass leg is provided with a cycle bend; one side of the cycle bend is connected with a first straight plate; the first straight plate is provided with a touch control plate facing the outer side of the glass leg; the other side of the cycle bend is connected with a second straight plate; the upper side and the lower side of the second straight plate are provided with extending bottom plates, an accommodating part for a camera is formed with the second straight plate, the second straight plate is provided with a camera mounting hole, the two bottom plates are connected with a ray machine, the ray machine is located in front of a closer glass frame, the glass frame is connected with the first straight plate and arranged at the place close to the cycle bend, and the first straight plate and the second straight plate are vertical basically. The method has effects of intelligent glass data acquisition and a good touch control operation position.

The invention discloses a reverse drive separation front drive axle and a half-shaft clutching device and control method thereof. The reverse drive separation front drive axle comprises a main speed reducer, a differential mechanism, a left half-shaft, a right half-shaft and an axle housing, wherein the half-shafts comprise inner half-shafts used for being connected with the differential mechanismand outer half-shafts used for being connected with a wheel hub, and half-shaft clutches used for controlling the power cutoff and transmission between the inner ends of the outer half-shafts and theouter ends of the inner half-shafts are arranged between the inner ends of the outer half-shafts and the outer ends of the inner half-shafts; when four drive is needed, through the connection of thehalf-shaft clutches, the inner ends of the outer half-shafts of the front drive axle are connected with the outer ends of the inner half-shafts to achieve the power transmission of the front drive axle; when two drive is needed, through the separation of the half-shaft clutches, the inner ends of the outer half-shafts of the front drive axle are disconnected with the outer ends of the inner half-shafts to achieve the power cutoff of the front drive axle. The reverse drive separation front drive axle and the half-shaft clutching device and control method thereof have the advantages that the power connection between the inner half-shafts and the outer half-shafts is cut off when the two drive is needed through the half-shaft clutches, so that tires rotate freely on the front axle to achievethe purposes of reducing vibration and reducing fuel consumption.

The invention relates to an intelligent glasses illumination method in an automobile maintenance process, belongs to the automobile maintenance field and solves an illumination technology problem of intelligent glasses in the automobile maintenance process. The method is characterized by comprising steps that, S1, the intelligent glasses are wore by a user, a gyroscope inducing vibration instantly emits a state selection signal, or an input mode is applied under the condition of closing an inductance function of the gyroscope to make the glasses emit a state selection signal; S2, an automatic illumination state or a forced illumination state is selected by the user, S2.1 the forced illumination state is selected by the user, and a light source starts to emit light. The method is advantaged in that, different illumination demands under different condition environments of the user can be satisfied, the illumination intelligentization degree of the intelligent glasses is further improved, through the method, the intelligent glasses can be quite conveniently applied by the user to the automobile maintenance process.

The invention provides a part loss assessment grading method in the repair and maintenance process of smart glasses, and belongs to the field of automobile repair and maintenance. The technical problems of bad data acquisition and touch operation positions of the smart glasses in the prior art is solved. The method is technically characterized in that a glass leg has a roundabout fold; one side of the roundabout fold is connected with a first straight plate; the first straight plate is provided with a touch plate which faces the outside of the glass leg; the other side of the roundabout fold is connected with a second straight plate; projecting bottom plates and an accommodation part which forms a camera with the second straight plate are arranged on upper and lower sides of the second straight plate; the second straight plate is provided with a camera mounting hole; two bottom plates are connected with an optical machine; the optical machine is located in front of a glass frame more close to the optical machine; the glass frame is connected with the first straight plate and is arranged close to the roundabout fold; and the first straight plate is substantially perpendicular to the second straight plate. The method has the advantages that data acquisition and touch operation positions of the smart glasses are great.

The invention belongs to the technical field of differential mechanisms, and particularly discloses an electromagnetic locking differential mechanism. The electromagnetic locking differential mechanism comprises a shell body with a cavity, wherein a front half-shaft spiral gear, a rear half-shaft spiral gear, a front planetary gear and a rear planetary gear are rotatably connected into the cavity,a first engaging gear is formed in the rear half-shaft spiral gear, a first straight gear is formed in the cavity, a locking ring is arranged in the cavity, a second straight gear is formed in an outer ring of the locking ring, and a second engaging gear is formed in an inner ring; and an electromagnetic coil is arranged on the front side of the shell body, a suction ring is arranged between theelectromagnetic coil and the shell body, the suction ring is fixedly connected with the front end of a pull rod, the rear end of the pull rod is fixedly connected with the locking ring, and a reset spring is arranged between the locking ring and the rear planetary gear. According to the electromagnetic locking differential mechanism, with the help of a magnetic field generated by the electromagnetic coil being electrified, the suction ring can be subjected to forward magnetic attraction in the magnetic field, thus the locking ring can be driven to move forward through the pull rod, the first engaging gear of the rear half-shaft spiral gear is engaged with the second engaging gear of the locking ring, and the 100% locking of the differential mechanism is achieved.

The invention relates to a globefish type elephant trunk underwater fishing machine and a fishing method thereof. The structure of the globefish type elephant trunk underwater fishing machine is composed of a bracket and a mechanical arm at the front end, wherein the bracket is horizontally arranged; the front part of the bracket is symmetrically provided with double-umbrella-shaped toothed wheels; the axes of the double-umbrella-shaped toothed wheels are coaxially connected with a transverse beam through speed reducing motor respectively; an arch-shaped steering arm is arranged at the rear part of the bracket; an opening of the arch-shaped steering arm faces the rear end of the bracket; the axis of the arch-shaped steering arm is overlapped with the central axis of the bracket; the bracket is of a hollow communicated structure and the tail end of the bracket is connected with a fished object collector through an input pipeline; a fished object bracket of the mechanical arm enters the fished object collector. The fishing machine provided by the invention can flexibly move at the bottom of the sea, can realize seabed self-rescuing and can work at the seabed for long time after entering the water; the capturing method is high in working efficiency, and time and labor are saved.

The invention relates to an auxiliary walking device with falling detection function. The device comprises a walking stick handle and a walking stick telescopic rod arranged at the lower end of the walking stick handle, a winding motor, a wire coil, a handle switch and a power source are arranged in the walking stick handle, and a pull wire is wound on the wire coil; the walking stick telescopic rod comprises two folding rods; each folding rod comprises a plurality of alloy rod strips, the plurality of alloy rod strips are meshed and connected through gear structures, the two folding rods areoverlapped in a mirror image mode and connected through a rotating shaft at the intersection position, the inner sides of the lowermost ends of the two folding rods are respectively provided with a clamping jaw, the two clamping jaws are opposite, a telescopic pull rod is fixedly arranged between the lower ends of the two folding rods, the center of the telescopic pull rod is connected with the pull wire, and lock catches are arranged outside the lower ends of the two folding rods. On the basis of the functions of a traditional walking stick, the function of picking up objects without bendingdown can be achieved, and meanwhile the auxiliary walking device has the advantages of having the anti-falling alarm function and being capable of effectively protecting the old from secondary injuries.

The subject of the invention is a coupler to attach a robotic arm to a surgical table. In some embodiments, an apparatus can include a coupler for coupling a robotic arm to a surgical table having a table top on which a patient can be disposed. The coupler can include a first portion configured to couple to a surgical table and a second portion configured to couple to a robotic arm. The second portion may include a post that may translate into the first portion. The first portion may comprise a locking mechanism having one or more stages to constrain movement of the second portion relative tothe first portion in six degrees of freedom. The coupler can thus provide secure coupling of the robotic arm to the surgical table.

The invention discloses an indoor positioning and image recognition method when intelligent glasses are applied to a vehicle maintenance process, which belongs to the field of vehicle maintenance, and solves the technical problems of intelligent glass data acquisition and a bad touch control operation position in the prior art. According to the technical point, a glass leg is provided with a cycle bend; one side of the cycle bend is connected with a first straight plate; the first straight plate is provided with a touch control plate facing the outer side of the glass leg; the other side of the cycle bend is connected with a second straight plate; the upper side and the lower side of the second straight plate are provided with extending bottom plates, an accommodating part for a camera is formed with the second straight plate, the second straight plate is provided with a camera mounting hole, the two bottom plates are connected with a ray machine, the ray machine is located in front of a closer glass frame, the glass frame is connected with the first straight plate and arranged at the place close to the cycle bend, and the first straight plate and the second straight plate are vertical basically. The method has effects of intelligent glass data acquisition and a good touch control operation position.

The invention provides a method for measuring a horizontal X-direction magnetic field component of a frequency domain and simultaneously calculating the apparent resistivity of a whole area. The method comprises the following steps: (1) measuring frequency spectrum data of the horizontal X-direction magnetic field component of the frequency domain in an exploration area in an approximate direction; (2) converting the frequency spectrum data of the horizontal X-direction magnetic field component into an actual measurement normalization function; and (3) finding out a point of which the theoretical normalization function is equal to the actually measured normalization function by adopting a numerical value, and then obtaining the apparent resistivity of the whole area. And resistivity distribution data of the underground specific depth target stratum is obtained through frequency spectrum data processing and inversion. Only horizontal X-direction magnetic field components are collected,instruments are convenient to arrange, the construction efficiency is high, and the engineering cost is low; the capability of distinguishing the geological target in the horizontal direction is enhanced; the technical difficulty of a conventional electromagnetic method under a complex geomorphic condition is solved; the defect that a conventional time domain method is low in long delay signal-to-noise ratio and short in delay signal-to-noise ratio is overcome.

The invention discloses an indoor navigation system and an indoor navigation method thereof. The indoor navigation system comprises a system management client, a position and navigation server, a mobile terminal, a mobile terminal, two-dimension code labels arranged at various indoor navigation target positions, and a database server, wherein the two-dimension code identification information of the two-dimension code labels and the target position information are bound and stored in the database server; the system management client is connected with the database server; the database server is connected with the position and navigation server; the position and navigation server wirelessly in communication with the mobile terminal; the mobile terminal can scan the two-dimension code labels at various navigation target positions. The indoor positioning is realized based on the two-dimension codes, the problem that the indoor positioning is inaccurate in the prior art is solved, and the indoor positioning precision is improved; moreover, navigation is performed according to the guidance of color sequence, so that the reasonability and the universality of the indoor navigation system are improved.

The invention relates to a telephone booth, which is powered by solar energy to provide a wireless telephone for communication and provide light rays for illumination, is a safe and environment-friendly effective measure for reducing materials, saving energy and reducing emission for public communication, relates to the fields of wireless communication, the public communication, green energy, municipal administration, urban landscape and the like, and is manufactured by modifying a landmark telephone booth.

The invention discloses an all-terrain moving detecting robot. The all-terrain moving detecting robot walks on flat road surface adopting a wheel-type structure and walks on complicated road surface adopting a crawler-type structure. The all-terrain moving detecting robot comprises a wheel-type component part, a vehicle body, a chassis system, a steering engine system, a controller, an environmentdetecting system, a power-supply system and a driving motor. The vehicle body is arranged above the chassis system. The driving motor comprises wheel-type driving motors and crawler-type chassis driving motors. The chassis system comprises crawler belts, synchronous pulleys, chassis supports and the crawler-type chassis driving motors. The synchronous pulleys comprise driving wheels and driven wheels. The crawler-type chassis driving motors are arranged on the corresponding chassis supports. The driving wheels of the synchronous pulleys are connected with output shafts of the corresponding crawler-type chassis driving motors. The crawler belts mesh with the corresponding synchronous pulleys to drive the crawler belts to move.

The invention belongs to the technical field of aluminum alloy furniture sectional material production, and particularly relates to an adjustable fixing device for aluminum alloy furniture sectional material production. For the problems that after a fixing device fixes an aluminum alloy sectional material, adjustment is not easy, and consequently the aluminum alloy furniture sectional material production efficiency is reduced, the following scheme is provided at present, a base is included, the four corners of the top of the base are connected with vertically-arranged linear electric push rodsthrough bolts, the tops of the four linear electric push rods are connected with the same horizontally-arranged supporting plate through bolts, a shell is connected to the middle of the top of the base through bolts, one side of the shell is of an opening structure, and a storage battery is inserted and connected in an opening of the shell. In the adjustable fixing device, scratches are preventedfrom being left on the smooth surface of the aluminum alloy sectional material, and the quality of the aluminum alloy sectional material is guaranteed while firm and stable fixing of the aluminum alloy sectional material are guaranteed. A worker can more conveniently treat the aluminum alloy sectional material, and the production efficiency of the aluminum alloy furniture sectional material is improved.

The invention provides a gesture recognition method for intelligent glasses used in the vehicle maintaining process and belongs to the field of automobile maintaining. The method is used for solving the problem of gesture recognition of the intelligent glasses in the technical vehicle maintaining process. The method is characterized in that a gesture recognition operation plate detects a gesture feature, when it is detected that the gesture feature, on the gesture recognition operation plate, of a user is a preset sliding gesture, interrupt signals are transmitted to a main control chip, and the main control chip judges logic expression of the gesture. The method has the advantages that the intelligent glasses can be used conveniently for maintaining a vehicle, and user experience is further reinforced.

The invention discloses an oil stain preventing method for parallel usage of a touchpad and keys of a pair of intelligent glasses in the vehicle maintenance process, belongs to the field of automobile maintenance and aims at solving the technical oil stain preventing problem of parallel usage of the touchpad and the keys of the intelligent glasses in the vehicle maintenance process. According to the technical scheme, the touchpad is provided with direction selection touch key areas, the actions of blocking different key areas means selection of different directions, software of the intelligent glasses is operated on the basis, the pair of intelligent glasses is further provided with the keys corresponding to the direction selection touch key areas, and the keys are used when a user repairs an automobile and the touchpad cannot be used due to blocking. The oil stain preventing method has the advantages that the entity keys can be still continuously used under the pocket blocking, and the usage limitation of the touchpad is avoided.