328results about How to "Improve collection efficiency" patented technology

The invention discloses a solar cell and a solar cell module group. The solar cell comprises a substrate, a positive electrode, and a back electrode. The substrate comprises a light-receiving surface where the positive electrode is arranged, a back surface where the back electrode is arranged, and an emitter electrode layer which is located on the light-receiving surface and is provided with a heavily doped region and a light doped region. The positive electrode comprises a first convergence electrode, a second convergence electrode, and a plurality of finger-shaped electrodes. The heavily doped region is provided with a first heavily doped part and a second heavily doped part, which are located between the first convergence electrode and the second convergence electrode. The solar cell can improve the collection efficiency of charge carriers, and reduces the recombination probability of charge carriers, thereby improving the collection efficiency of current, and improving the photoelectric conversion efficiency and open-circuit voltage of the solar cell.

The invention provides a lane sideline automatic extraction method and a lane sideline automatic extraction system based on a laser point cloud. Through automatically extracting lane sideline data elements which are very important to unmanned driving in a certain accuracy according to reflection strength of each laser point according to the reflection strength of each laser point in a high-precision electronic navigation map data element production process based on the laser point cloud that is acquired by a mobile measurement vehicle, basic lane shape data are supplied for subsequent lane-grade high-precision map, thereby improving lane sideline data element acquisition efficiency, lane sideline data element production efficiency and accuracy. Furthermore the lane sideline automatic extraction method and the lane sideline automatic extraction system greatly improve production efficiency of the lane-grade high-precision map.

The invention discloses a collection type self-service express taking and pickup method and a self-service express taking machine. The method is performed based on an express taking system, and the express taking system comprises a network background and a customer operation terminal, wherein the network background is arranged on a network server, and the customer operation terminal performs communication with the network background through a GPRS (general packet radio service) module or Ethernet. The customer operation terminal is placed in a place which needs to take expresses in the form of an express taking cabinet body, and an express receiving box, an express taking box, a bill printing and output module, an operation module, a scanning module and a money receiving and changing module are arranged on the express taking cabinet body; a sender can complete the process of sending an express by operating the customer operation terminal; and an express taking person can complete the process of taking the express by operating the customer operation terminal. By adopting the method disclosed by the invention, the express taking efficiency is greatly improved and the labor expense is reduced. The information of the sender is confirmed through a mobile phone verification code and a photographing means, thereby controlling the process flow of sending the express and being conductive to avoiding sending prohibited items.

The invention provides a device for collecting spinning dust of a spinning machine, and relates to the field of spinning equipment. The device comprises a base, wherein a pushing rod is fixedly mounted at the left side of the top part of the base; a pushing handle is fixedly mounted at one end of the pushing rod; an antiskid layer is arranged on the surface of the pushing handle; a box body is fixedly mounted on the top part of the base; a water tank is fixedly mounted on the top part of the box body; a dust collecting pipe is fixedly mounted at the right side of the box body; an air pump is fixedly mounted in the dust collecting pipe. According to the device, an air sucking device is arranged and used for driving a first motor to drive fan blades to rotate, thus air is driven to flow through the rotating fan blades, and collecting force is accordingly produced, and as a result, the spinning dust can be collected into the box body from an air collecting cover. Therefore, the spinning dust is conveniently collected; the dust collecting efficiency is greatly improved; the air quality of a spinning workshop is improved; the damage to operators is reduced; moving wheels are arranged and facilitate the device moving, thus the device is suitable for all workshops, and the practicability is greatly improved.

The present invention provides an asymmetric porous PTFE membrane for a filter having little change over time and conventionally known properties of a porous PTFE molded article such as water permeability resistance, air permeability, sealing properties and electric properties, in which collection efficiency, air permeability and pressure loss are improved. Specifically, the present invention relates to an asymmetric porous PTFE membrane for a filter comprising a dense skin layer and a continuously foamed porous layer, wherein

• (1) the contact angle of water to the surface of the skin layer is 120 to 140°; and
• (2) the diffuse reflectance of light is 91 to 94%.

The invention is suitable for the field of health monitoring technologies and provides a method and a system for monitoring sleep quality based on pulse wave data. The method comprises the following steps of monitoring the pulse wave data in real time through a pulse wave infrared detection sensor; monitoring action data of a monitored person in a sleep process through an action sensor, wherein the action data comprises large actions and small actions; obtaining the sleep state, the starting and ending time of each sleep state and the time bucket of each sleep state of the monitored person according to the pulse wave data, the action data and the detection time, wherein the sleep state comprises an awakening period, a light sleep state, a deep sleep state, a dreaming interval and a micro-arousal period; obtaining the sleep quality of the monitored person through combining a Chinese medical sleep health maintenance theory according to the starting and ending time of each sleep state and the time bucket of each sleep state. The method and the system have the advantages of high collection efficiency and accurate sleep quality analysis.

The invention belongs to the technical field of glass, and in particular, discloses a cleaning device for glass cutting. The cleaning device comprises a worktable; a slide rail is mounted above the worktable, and is slidingly connected with a slide block; a telescopic cutter is arranged below the slide block; a first support rod is arranged at one end of the worktable; the top end of the first support rod is hinged with a first sucker; a second support rod is arranged on one side of the first support rod; a cylinder is mounted at the top of the second support rod; a first piston is arranged in the cylinder; a movable rod is arranged on the upper surface of the first piston, and penetrates through the worktable; the top of the movable rod is hinged with a second sucker; and glass is sucked on the first sucker and the second sucker. The cleaning device further comprises a scouring mechanism; the scouring mechanism includes a water tank; a water inlet pipe and a water outlet pipe are arranged on the water tank; and a water sprayer opposite to the glass is arranged at the top of the water outlet pipe. Compared with the prior art, the device can timely clean glass chips to guarantee the safety of operators.

The invention discloses a vibration energy collector. The vibration energy collector comprises a bracket, wherein a cover plate is arranged above the bracket; a bottom plate is arranged below the bracket; at least three uniformly distributed foldable piezoelectric beams are arranged in the bracket; spacings are formed between the bent parts of the foldable piezoelectric beams; a fixed end and a cantilever end are arranged at the two ends of each foldable piezoelectric beam; the fixed end of each foldable piezoelectric beam is fixed on the bracket; the cantilever end of each foldable piezoelectric beam extends to the middle part of the bracket; a sphere body is arranged in the space which is surrounded by the cantilever ends of the foldable piezoelectric beams; spacings are formed between the cantilever ends of the foldable piezoelectric beams; and spacings are formed between the sphere body and the cantilever ends of the foldable piezoelectric beams. According to the vibration energy collector, the piezoelectric foldable beams are distributed around the sphere body with mass; when the sphere body moves under the external vibration and excitation effect to apply acting force on the surrounding piezoelectric foldable beams to enable the piezoelectric foldable beams to be deformed to generate stress, piezoelectric charges are generated on the two sides of the foldable piezoelectric beams due to a piezoelectric effect; then the piezoelectric charges pass through the electrodes on the two sides of the piezoelectric foldable beams to be collected by a power supply management circuit, so that the collection of the vibration energy is realized; and in addition, the collecting efficiency is high.

The invention provides a camera position calibration method and a device. The method comprises steps of obtaining vehicle track information of a target vehicle when running on a preset route; obtaining snapshot information of the target vehicle by a camera arranged on the preset route during the running processes of the target vehicle; and determining longitude and latitude information of all cameras arranged on the preset route according to shooting time of each of snapshot pictures, identifications of cameras for shooting the snapshot pictures, the longitude and latitude information in various running positions and time information corresponding to the running positions. In this way, operation of information collection can be simplified; information collection efficiency is increased; and effects on public security during the information collection process can be avoided.

The invention discloses a three-dimensional morphology measurement method and a device for a objects with mirror surface. The device comprises a computer, a main camera, a slave camera, a refraction display screen, a reflection display screen, a semi-transparent mirror and a fixing device; the computer is connected with the main camera, the slave camera, the refraction display screen and the reflection display screen; the main camera, the slave camera, the refraction display screen, the reflection display screen, the semi-transparent mirror and the fixing device are fixed on an optical platform; the refraction display screen, the reflection display screen and the semi-transparent mirror are perpendicular to the optical platform; the fixing device is in a public field of the main camera andthe slave camera; image light paths reflected by the semi-transparent mirror are parallel to the image light path displayed on the refraction display screen. According to the three-dimensional morphology measurement method and the device for objects with mirror surface, object point normal vector is calculated firstly, then the morphology measurement of the objects of a continuous zone is calculated through using a gradient integration method and a binocular system; the morphology measurement of the objects of a discontinuous zone is obtained by using a direct-phase measurement deflection method and a dual-screen.

The invention discloses an underground pipeline intelligent detection robot and an underground pipeline intelligent detection method. The underground pipeline intelligent detection robot comprises a mobile robot main body and a plurality of sensors. The underground pipeline intelligent detection method disclosed by the invention comprises the steps of: firstly calibrating relative positions and posture information between the sensors and the sensors and between the sensors and the mobile robot main body; then causing the mobile robot main body to move autonomously in a pipeline space, and obtaining, by the sensors, data in real time; calculating a precise position of the mobile robot main body in a data collection movement process; calculating data spatial positions of the sensors according to the position of the mobile robot main body and the relative positions and posture information of the sensors, and registering and fusing the data of different sensors to obtain fused multi-sourcespace data of the pipeline space; and finally intelligently identifying and extracting a geometrical shape and attribute status information of a pipeline from the fused multi-source sensor data, andmarking spatial positions for these information. The underground pipeline intelligent detection robot disclosed by the invention realizes automatic collection of underground pipeline status detectiondata and intelligent identification and extraction process of pipeline status information.

The invention provides a fingerprint acquisition method and related products. The related products comprise a mobile terminal. The mobile terminal comprises an application processor AP, a touch display screen and a fingerprint recognition device, wherein the touch display screen is used for determining N areas corresponding to a touch operation when the touch operation aiming at the touch display screen is detected, and the N is an integer greater than 1; the fingerprint recognition device is used for controlling N fingerprint acquisition modules corresponding to the N areas to carry out fingerprint acquisition so as to obtain N fingerprint images, and the N areas are in one-to-one correspondence with the N fingerprint acquisition modules; and the AP is used for generating a target fingerprint image according to the N fingerprint images. By adoption of the method and the related products, a plurality of areas corresponding to the touch operation can be determined after the touch operation is detected, and the fingerprint recognition device corresponding to the plurality of areas is controlled to realize fingerprint acquisition, so that the fingerprint acquisition efficiency can be enhanced.

A solar module for converting light into electric current includes a hollow body having a first opening for enabling light to enter the hollow body. The module further includes an inside wall and an outside wall, and at least one photoactive layer for absorbing light attached to each wall for absorbing light and converting it into electric current.

The invention provides a system for integrating data spanning data sources. The system for integrating data spanning data sources comprises a client, a server, and multiple open service platforms. The client is used for transmitting a data request message to a server. The server is used for analyzing an operation segment in the data request message in order to generate a data acquisition instruction, selecting at least part of the open service platforms from the multiple open service platforms according to the data acquisition instruction, acquiring data according to user identity information, and summarizing and integrating the data in order to provide the data for the client and the multiple open service platforms. Each of the multiple open service platforms is used for providing data. The invention also provides a server, a client, and a data-integrating method spanning data sources. The system for integrating data spanning data sources carries out a large number of calculation tasks such as ordering, comparison, and assembly by using the powerful calculated performance of a cloud server, achieves merging and integrating of data from different data platform sources, increases data query efficiency, and decreases user flow expense.

An imaging system employing a coded aperture mask having multiple pinholes is provided. The coded aperture mask is placed at a radiation source to pass the radiation through. The radiation impinges on, and passes through an object, which alters the radiation by absorption and/or scattering. Upon passing through the object, the radiation is detected at a detector plane to form an encoded image, which includes information on the absorption and/or scattering caused by the material and structural attributes of the object. The encoded image is decoded to provide a reconstructed image of the object. Because the coded aperture mask includes multiple pinholes, the radiation intensity is greater than a comparable system employing a single pinhole, thereby enabling a higher resolution. Further, the decoding of the encoded image can be performed to generate multiple images of the object at different distances from the detector plane. Methods and programs for operating the imaging system are also disclosed.

The invention provides a system and method for data synchronization between heterogeneous databases and a storage medium. The method is applied to a data synchronization process between heterogeneousdatabases. The system comprises an acquisition plug-in unit, a write-in plug-in unit and a data processing center, the plurality of databases are connected with the data processing center in a star mode through the acquisition plug-in unit and the write-in plug-in unit; the data processing center comprises a plurality of synchronous execution nodes; the plurality of synchronous execution nodes carry out data synchronization in a distributed execution mode; the adapter is adopted to adapt to collection and writing of various heterogeneous databases; a unified intermediate data format is adoptedfor transmission; connection between different source ends and target ends is simplified, the data collection efficiency is improved, the expansibility is very high, receiving, distribution, receiving and load balancing of synchronous tasks are achieved through a unified synchronous task controller, data synchronization operation is executed in parallel in a multi-channel mode, and therefore theexecution efficiency is further improved.

The invention discloses a self-adjusting piezoelectric wind energy collecting device capable of being started at low wind speed. The wind speed self-adjusting piezoelectric wind energy collecting device capable of being started at the low wind speed comprises an intensive air channel, an umbrella-shaped rectifying device, a fan and a triangular piezoelectric cantilever; the umbrella-shaped rectifying device which is installed in the middle of the air channel commonly constrain the wind speed and the wind direction with the intensive air channel; the wind speed after constraint through the intensive air channel and the rectifying device is increased and points to the edge of a fan impeller and accordingly the fan can be started under the low wind speed and the wind kinetic energy is converted to be fan mechanical energy; 3mm coincidence is formed between the fan impeller edge and the cantilever, so that the cantilever can be effectively beat after the fan is started; the cantilever is a bi-crystal piezoelectric cantilever with the phosphor bronze serving as a base plate and the upper surface and the lower surface being accompanied by PVDF (Polyvinylidene Fluoride) thin films; electric energy is generated when the cantilever deforms due to beat by the fan and accordingly the fan mechanical energy is converted to the electric energy.

The invention discloses an information acquiring, managing and analyzing system and method of traffic accident data. The system comprises a traffic accident data acquiring module, a data managing module, a data analyzing module, a database and a control terminal, wherein the traffic accident data acquiring module is used for realizing the information acquiring of the traffic accident data and transmitting the acquired data to the database in time; the data managing module is used for managing system account information and the traffic accident data; and the traffic accident data analyzing module is used for providing the functions of statistical analysis of the traffic accident data and diagnosis of accident black spots on the basis of the acquired traffic accident data according to the specified requirements of users and presenting statistical analysis results through an man-machine interface of the control terminal. The system disclosed by the invention has the beneficial effects that the traditional paper-based management mode of the traffic accident data is changed; the traffic accident data acquiring and managing efficiency is increased; the acquired traffic accident data arefully utilized; reasonable bases and suggestions are provided for the formulation of a timely and effective traffic safety management scheme.

The invention belongs to the field of robot vision measurement, and discloses a robot vision measurement system based on external tracking and a calibration method thereof. The robot vision measurement system comprises an external tracking device, a stereoscopic ball cage target, an area array scanner, an industrial robot and a calibration device, wherein the area array scanner is arranged at the tail end of the industrial robot, and the stereoscopic ball cage target is arranged on the area array scanner. The invention further discloses a calibration method of the robot vision measurement system. The calibration method comprises the steps of: scanning the stereoscopic ball cage target by adopting the external tracking device, and scanning the calibration device by adopting the area array scanner; acquiring two sets of target data in a state of constant attitude and variable position and in a state of variable attitude and position; establishing a conversion relationship between mutual coordinate systems; and finally, calculating to obtain a conversion matrix between an area array scanner coordinate system and a stereoscopic ball cage target coordinate system by utilizing the two sets of data. The robot vision measurement system avoids the different solution results which are possibly caused by processing the same data by different people or at different moments, and realizes the stability and consistency of calibration and solution.

The invention relates to an on-line virtual testing system of a steel cord conveyor belt and a testing method thereof, and belongs the on-line testing technical field of coal mine equipments, the invention is characterized in that the system comprises a X ray source, a high frequency high pressure generator, a scan detection apparatus, an explosion-proof junction box, optical cables, a host computer, a base plate, a column and the like. According to the invention, a CMOS scan detector is taken as a testing method, novel ray detection elements can be arranged to an array, and an integrated circuit is directly connected with the array, the whole processes of ray reception, photoelectric conversion and digitalization can be synchronously completed, so that the CMOS scan detector has high acquisition efficiency and realizes the dynamic noise reduction, wherein the geometric size can reach at 0.08mm*0.08mm, thereby the characteristics of low noise, high sensitivity and high image resolution of the system dynamic detection can be guaranteed, and the problem that the imaging of steel cord is influenced by the vibration of the conveyer belt can be solved, the present invention has the advantages of compact structure and light weight, the normal demand of coal mine production can be satisfied, so that the on-line virtual testing system of steel cord conveyor belt and the testing methodare help for raising the safe production ability of coal mine.

The invention relates to a shrinkage heap leaching subsequent filling mining method used for a steeply-inclined thin orebody. According to the technical scheme, after accurate mining is completed, undercutting is conducted on the bottom of a chamber, and after filling shafts (9) are tunneled, artificial anti-seepage concrete false bottoms are laid on the bottom of the undercut space; artificial anti-seepage false lanes (8) are constructed, and the orebody (10) to be mined in the chamber is recovered from bottom to top in a layered mode; after each time of ore breaking by blasting, minerals covering 20%-30% of the volume of the ore broken by blasting of each time are discharged and are conveyed to the earth ground through an underground lifting and conveying system, and a heap is formed on the earth ground for leaching; after recovery and heap formation are completed, sprayers (6) arranged in the chamber spray a leaching solution to the ore heap (7), the infiltrated leaching solution is gathered to a liquid collection driftway (14) through an ore discharging lane (12) and an ore discharging lane linking way (3); and after heap leaching mining is completed, stope mined-out zones are filled with barren rocks (23), and then roof-contact filling is conducted on a stope. The method has the characteristics of being high in liquid collection efficiency, good in stope roof-contact effect and low in mining cost.

The invention provides a method for rapidly collecting geographic information data in an online collaboration mode in a large field area. The method meets the requirement for collecting information in a wide area and comprises the steps of (1) task assignment: carrying out monitoring to find the change of land features, updating content and indexes according to elements, carrying out summarization and arrangement to form a new task list and starting a rapid field collection system; (2) task execution; (3) data uploading; (4) check processing. The method for rapidly collecting the geographic information data in the online collaboration mode in the large field area has the advantages of integrated dispatching management, distributed collaborative operation, online data transmission, one-stop quality testing and library building and the like, thereby being capable of improving the geographic information data collection efficiency of various industries and sectors of China effectively, shortening the updating period of the geographic information data greatly and playing a positive role in rapid collection and updating of geographic information and rapid monitoring of geographical conditions.

The invention discloses a management system for cultivating poultry, which comprises a server and a portable device. Data communication is performed between the server and the portable device, the portable device is used for collecting cultivation information in the process of cultivating stock and poultry, the server comprises a decision-making unit in the cultivation process, which is used for acquiring cultivation decisions according to cultivation information and good agriculture specification. The invention collects the cultivation information through a portable device, well replaces former mode of filling records by hand and keeping files on the paper, greatly improves acquisition efficiency of cultivation information, correctness and timeliness; the decision-making unit provides guidance for standardizing production in the cultivation process, and the management system for cultivating poultry plays significant roles of improving the security of poultry and products and enhancing the traceability of products. From the long-term popularization and application, the portable poultry cultivation information acquisition system developed in the invention can be transplanted onto ordinary handsets, so that the application cost is further reduced, and the system operation is simple, which conforms to the production process of poultry cultivation; therefore, the invention has better popularization and application values.

The embodiment of the application discloses a geographic information data acquisition method and device. The method comprises the steps that: mobile acquisition equipment records driving data in realtime, and extracts the corresponding driving data and sends the corresponding driving data to a server when a user acquisition instruction is received and/or a preset automatic acquisition condition is met, so that the server carries out updating on current map data according to the received driving data; and correspondingly, the server receives the driving data sent by the mobile acquisition equipment, and carries out updating on the current map data according to the driving data after determining that the driving data is qualified data. Therefore, a coverage range of geographic information data acquisition can be improved, and acquisition efficiency can be improved.

The invention relates to a densely-arranged solar cell string and a preparation method, module and system thereof. The preparation method mainly comprises the following steps of fabricating a solar cell piece, forming H-shaped electrodes on a front surface and a back surface of the cell piece, wherein a main gate is a segmental electrode, and a welding point is arranged at one end of the main gate; printing strip-shaped hot melt glue at a position of the welding point along a direction perpendicular to the main gate, wherein the hot melt glue is exposed out of the welding point; cutting the cell piece along a battery cutting region so that cell piece is cut into a plurality of small cell pieces; coating a conductive adhesive or soldering paste at the position of the welding point of the main gate on a front surface of each small cell piece; overlapping the welding point of the main gate on a back surface of one of the small cell pieces with the welding point of the main gate on the front surface of the other one small cell piece, and performing heating so that the two small cell pieces are electrically connected by the conductive adhesive or the soldering paste; and sequentially connecting the plurality of small cell pieces to form the solar cell string. The preparation method has the beneficial effects that the utilization area of the cell pieces in an effective region of the module is expanded, and the module power is improved.

The secondary battery of lithium ion includes positive pole, negative pole, electrolyte and diaphragm. The active material of positive pole is prepared by mixing spinel type lithium manganate and ternary positive materials of nickel, manganese and cobalt according to proportion 1-9: 9-1. Controlling mixing proportion and mean grain sizes of the said two substances controls orientation of spinel type lithium manganate on ternary positive materials as well as restrains Yang-Taylor effect of spinel type lithium manganate by ternary positive materials. The invention produces non-aqueous secondary battery of lithium ion with features of low cost, high capacity, good thermal stability, and good discharge performance of large current and small attenuation of capacity under high temperature.

The invention discloses an earthquake data collection method. The earthquake data collection method comprises steps of creating a compression collection observation system, wherein detection wave points of the compression collection observation system are uniformly distributed and shot points of the detection wave points are sparsely arranged and distributed nonuniformly; performing reconstruction processing on earthquake sampling data in order to obtain earthquake data of the shot points which are missed so as to obtain complete earthquake data. The invention also provides an earthquake data collection system. Compared with the prior art, the earthquake data collection method and system greatly reduce the quantity of small shot points on the basis of not reducing data accuracy. The earthquake data collection method and system are simple in a process and easy to implement, can effectively improve collection efficiency of the earthquake data and can reduce a sampling cost of the earthquake data and can also provide a means of obtaining a complete rule earthquake material to an area where a regular shot record cannot be obtained due to objective factors.

The invention discloses a magnetic resonance water-fat separation and quantitation method and a magnetic resonance water-fat separation and quantitation apparatus based on echo planar imaging. The method comprises: carrying out data collecting by using an echo planar imaging sequence encoded by a deformation-free point spread function to obtain multi-channel downsampling K-space data, recovering to obtain complete three dimensional k-space data, carrying out three dimensional inverse Fourier transform, and obtaining a three dimensional amplitude image through channel combination; extracting aplurality of two-dimensional k-space data from the three dimensional k-space data, obtaining a plurality of images through two-dimensional inverse Fourier transform, and calculating a corresponding echo offset time; carrying out water-fat separation and quantitation calculation by using the plurality of the images and the echo offset time to obtain a water signal and the ratios of the fat signalsat each frequency peak; and carrying out weighted square sum calculation on the three dimensional amplitude image in a phase encoding direction to obtain a deformation-free water phase and each fat phase. The method of the present invention has characteristics of strong applicability, high collection efficiency, no deformation, no T2* blur effect, high signal-to-noise ratio, simpleness and easy achieving.

The embodiment of the invention provides a base station antenna device and a base station antenna engineering parameter acquisition device. The antenna engineering parameter test equipment is integrated with the base station antenna, thus the acquisition efficiency, accuracy and real-time property of the base station antenna engineering parameters are improved. A base station antenna device comprises a base station antenna, a base station antenna engineering parameter acquisition device and a base station antenna enclosure, wherein the base station antenna engineering parameter acquisition device is used for acquiring, storing and managing the base station antenna engineering parameters; the base station antenna and the base station antenna engineering parameter acquisition device are connected and located in the base station antenna enclosure; and the base station antenna engineering parameter acquisition device comprises at least two GPS (global positioning system) antennas and a processing device, wherein the at least two GPS antennas are used for acquiring the base station antenna engineering parameters, and the processing device is used for storing and managing the base station antenna engineering parameters and is connected with the at least two GPS antennas.

The invention provides a recognition and cleaning method and a recognition and cleaning system of cache directories. The recognition and cleaning method of the cache directories includes that mobile terminals confirm directories matched with the cache directories recorded in a local database during scanning processes of the mobile terminals for storage space; the mobile terminals recognize brother directories of the confirmed directories, and upload directory information of directories which are not recognized into a server; the server recognizes the cache directories from the directory information uploaded by all the mobile terminals. By adopting the technical scheme, the recognition and cleaning method and the recognition and cleaning system of the cache directories replace manual work with a huge quantity of the mobile terminals to collect the directories which are not recognized into the cloud server, recognize the cache directories through the server, greatly improve collection efficiency of the cache directories, overall improve recognition efficiency of the cache directories, reduce workloads of technical staff, conveniently and automatically recognize a large number of the cache directories, and thereby clean the cache directories according to the cache directories which are automatically and efficiently recognized, and can improve use efficiency of the storage space.