97results about How to "Save inspection time" patented technology

The invention relates to an unmanned aerial vehicle tunnel inspection system based on BIM technology. The system comprises a correspondence establishment module, an attitude / position information acquisition module and a motion state acquisition module, wherein the correspondence establishment module obtains the relationship between an unmanned aerial vehicle navigation coordinate system and a three-dimensional engine roaming camera coordinate system; the attitude / position information acquisition module sets a camera to roam along an inspection line in a three-dimensional engine, converts the obtained correspondence between the motion trail parameter and the three-dimensional engine roaming camera into an unmanned aerial vehicle motion trail parameter, and obtains a pose parameter in the unmanned aerial vehicle inspection line; and the motion state acquisition module acquires the information corresponding to the mounting labels on the three-dimensional engine roaming camera, the RGB-D based camera, an MEMS inertial measurement unit and a tunnel segment, and integrates the information of the four to obtain the motion state in the tunnel. The system provided by the invention can improve the working efficiency of tunnel inspection.

The invention discloses an unmanned aerial vehicle tunnel inspection method based on an BIM technology. The method comprises the following steps of through a BIM technology, establishing a tunnel model, guiding into a three-dimensional engine, using a coordinate system conversion method to acquire the relationship between an unmanned aerial vehicle navigation coordinate system and a three-dimensional engine camera coordinate system, and establishing a corresponding relation between a unmanned aerial vehicle and a three-dimensional engine camera; in the three-dimensional engine, arranging a camera to carry out roaming according to an inspection line, and through the coordinate system conversion method, converting into a unmanned aerial vehicle motion track parameter; acquiring a motion state in a tunnel through an information fusion algorithm by the unmanned aerial vehicle; and transmitting an RGB-D camera inspection video to a ground work station through a video transmission module, using a tunnel model made based on the BIM technology to carry out mapping, splicing, matching and combining of video images and models, and finally acquiring the real three-dimensional model of the inspection line. And then, the specific condition of the current line and whether there is a tunnel disease risk are clearly grasped. In the invention, the work efficiency of tunnel inspection can be accelerated.

A cargo security inspection method and system based on spiral scanning, the method including: spirally scanning an inspected object at a first precision to obtain the transmission projection data; judging whether there is a suspect area in the inspected area; scanning at least one slice of the suspect area at a second precision wherein the second precision is greater than the first precision; reconstructing a tomographic image of the at least one slice; and using the reconstructed tomographic image to judge whether there is any dangerous article in the suspect area.

A stator frame (1) comprises: a housing (1m) whereof a modified tubular body mounted on the outer peripheral surface of a stator core (2) and that is virtually recessed at two locations in the direction of the rotary axis of a rotor; a cooling section (1n) that is integrally formed with one recess of this housing (1m) and wherein a passage (23) for the airflow generated by a circulating fan (11) is formed by forming a prescribed gap with respect to the outer peripheral surface of the stator core (2) and comprising heat-radiating fins (21); a foot (1o) that is integrally formed with another recess of this housing (1m) and wherein a passage (24) for the airflow generated by the circulating fan (11) is formed by forming a prescribed gap with respect to the outer peripheral surface of the stator core (2) and comprising heat-radiating fins (22); and a mounting section (1p).

The patent refers to the field of 'pharmaceutical preparations'. The invention discloses a quality analysis method of compound Ganmaoling tablets. In the method, high-performance liquid chromatography (HLPC) is used for measure the chlorogenic acid content, acetaminophen content and caffeine content of the compound Ganmaoling tablets, test product solution is prepared and reference product solution is prepared and measured. The quality analysis method of the invention can detect the acetaminophen, chlorogenic acid and caffeine components under the same color spectrum condition at the same time, so the test time and cost are saved and the working efficiency is improved; the test method has high sensitivity, high separating degree; the basic line is stable; a negative reference is not affected; and the accuracy, repeatability, linearity and stability of the test method meet scientific research and production requirements, and the detection method is suitable for promotion and application.

The invention provides a smart and safe campus big data safety early warning platform, which comprises a monitoring front end, a sensor and warning devices, wherein the monitoring front end, the sensor and a first warning device are connected with a cloud server through a first codec respectively; the cloud server is connected with a central control system; the central control system is connectedwith a monitoring terminal and a second warning device through a second codec; the first codec is connected with an inspection data acquisition system; the inspection data acquisition system comprisesa data acquisition box and an RFID label; an instruction key and a display screen are arranged outside the data acquisition box; the data acquisition box is internally provided with a card reader anda central processor; and the card reader is connected with the RFID label. The acquired data can be transmitted to the monitoring terminal through the codec, the manual inspection condition can be inputted to the inspection data acquisition system through an instruction input device and is then transmitted to the monitoring terminal, campus safety early warning is realized accurately, and real-time management on a related responsible person is carried out.

A hydraulic power plant device polling method comprises the steps of: the step 1, making a polling plan on a three-dimensional information model server, and emitting a command to start a polling robot; the step 2, detecting the position of the polling robot; the step 3, detecting whether the dump energy of the polling robot meets a first condition or not, if no, allowing the polling robot to return a charging pile for charging, and returning to the step 1, and if yes, entering the next step; the step 4, detecting whether the polling robot has polling points or not in a first distance, if yes,executing a polling task, or else, entering the next step; the step 5, determining whether the polling robot has a barrier or not in a second distance, if yes, reporting errors to the three-dimensional information model server, terminating the polling plan and returning the polling robot to the charging pile nearby, or else, allowing the polling robot to travel for the second distance; and the step 6, determining whether the polling plan is finished or not, if yes, returning the polling robot to the charging pile, finishing the polling, or else, returning the step 2.

The invention relates to a medical instrument, discloses an inlaid digital imaging system of a gynecological endoscope and belongs to the technical field of manufacture of accessories used for electronic digital endoscope medical image workstations of vagina and intrauterine integrated diagnosis and therapy of the gynecological departments. The inlaid digital imaging system of gynecological endoscope comprises an endoscope telescope body, an LED light source and a CCD (charge coupled device) miniature digital camera, the front end of the endoscope telescope body is connected with a transparent cover, the LED light source and the CCD miniature digital camera are respectively arranged in the transparent cover, a power module and a digital signal processing module are arranged in the endoscope telescope body, the power module is respectively connected with the LED light source and the CCD digital camera, the digital signal processing module is connected with the CCD miniature digital camera, a signal output port is arranged at the rear end of the endoscope telescope pipe body, and the signal output port is connected with the digital signal processing module. The inlaid digital imaging system of the gynecological endoscope can be used for examining vagina wall, cervix uteri or even intrauterine and is wide in observation vision field.

The invention relates to an orbital patrol robot positioning method. The orbital patrol robot positioning method comprises the steps that: before patrolling, a patrol robot is subjected to positioningdata initialization setting; the patrol robot sequentially passes through each positioning point and a pre-set target position at the beginning of the starting point of an orbit; furthermore, the sequence number of each positioning point, the distance between the target position and the previous positioning point and the sequence number of the previous positioning point are recorded; when the patrol robot patrols, the positioning point is searched at first according to the recorded sequence number of the previous positioning point of each pre-set target position; and, after a positioning detection sensor of the patrol robot detects the positioning point, the patrol robot continuously walks according to the recorded distance from the pre-set target position to the positioning point. By means of the orbital patrol robot positioning method in the invention, the problem that the positioning precision is poor due to wheel slipping and abrasion when the patrol robot completely depends on walking distance positioning can be solved; and furthermore, the problem that the cost of setting the positioning point at each target position is high can be solved.

The invention provides a distribution network fault positioning method based on a net-based matrix type algorithm. The method comprise following steps of S1, defining fault indicators in a power distribution network to be nodes, defining sections at non-power supply ends in sections formed by division of the power distribution network by the fault indicators to be edges connecting the nodes, and according to connection conditions of the nodes, constructing a net-based structure matrix D; S2, acquiring indication information of the fault indicators in the power distribution network, and constructing a fault information matrix G of the indication information about the fault indicators; and S3, according to the net-based structure matrix D and the fault information matrix G, judging fault sections, if fault indicators corresponding to two end nodes of one section give out alarms or do not give out alarms, judging the section to be a non-fault section, and if only one of the fault indicators corresponding to two end nodes of one section gives out alarms, judging the section to be the fault section. Thus, fault positioning is quite precise; inspection time for people is reduced; and cost is reduced.

An embodiment of the invention provides an equipment patrol inspection method, an equipment patrol inspection device, inspected equipment, an patrol inspection server and a network system. The equipment patrol inspection method comprises the following steps of: receiving a patrol inspection request transmitted by the patrol inspection server; acquiring a patrol inspection plan in the patrol inspection request; acquiring a processing rule corresponding to the processing rule information from a preset processing rule library according to the processing rule information in the patrol inspection plan; generating a patrol inspection task for a patrol inspection object based on the patrol inspection object and the processing rule; executing the patrol inspection task to obtain a patrol inspection result; and transmitting the patrol inspection result to the patrol inspection server. In the equipment patrol inspection method, the patrol inspection plan which is transmitted by the patrol inspection server and comprises a processing class and the processing rule information for the processing class is received, therefore, an inspector is prevented from inputting the processing rule into theinspected equipment, that is, the patrol inspection rule acquisition process of the inspected equipment does not need to be completed manually, so that the patrol inspection time can be saved, and theequipment patrol inspection efficiency is further improved.

The embodiments of the invention provide an automatic inspection system and method which relate to the field of machine room operation and are used for reducing the manual work of machine room inspection, reducing inspection time and improving inspection efficiency. The system comprises a resource monitoring unit, an inspection task management unit and an inspection unit, wherein the resource monitoring unit is used for periodically carrying out monitoring on monitoring devices according to monitoring periods and storing monitoring results; the inspection task management unit is used for setting inspection tasks of the inspection unit according to inspection requirements of a user, and the inspection tasks are used for indicating the information requiring to be obtained when the inspection unit inspects the monitoring devices; and the inspection unit used for obtaining inspection results in the resource monitoring unit according to the inspection tasks set by the inspection task management unit. The automatic inspection system and method are applicable to the scenes of machine room device automatic maintenance.

The invention provides a cardiac electric axis 6-lead wrong connection detection system and a detection method. The system comprises a three-dimensional reconstruction unit, a right attaching position location unit, an electrode plate recognition and location unit and a matching degree inspection unit. The method comprises the following steps: conducting three-dimensional reconstruction on a human body upper part three-dimensional model; recognizing right attaching regions; recognizing actual attaching positions and colors; and comparing the actual attaching positions of electrode plates, which are rightly attached in accordance with colors, with right attaching positions. According to the detection system and the detection method disclosed by the invention, the human body upper part three-dimensional model can be reconstructed by scanning an image, and the wrong connection, if any, of cardiac electric axis 6 leads can be judged, so that operating doctors, before the generation of electrocardiogram records and the printing of an electrocardiogram report, can guarantee that the cardiac electric axis 6 leads are rightly connected; therefore, the problems of collecting once again and printing once again after the generation of the electrocardiogram records can be effectively avoided. Deviation between the actual attaching positions of the cardiac electric axis 6 leads and the right attaching positions can be judged, so that a circumstance of wrong connection of the leads is avoided, and meanwhile, the re-printing of the report is also avoided; therefore, time and electrocardiogram paper are saved.

The invention provides a deep sea pipeline crack propagation monitoring and reliability evaluation system based on image recognition. The deep sea pipeline crack propagation monitoring and reliability evaluation system comprises monitoring equipment, a deep sea camera used for obtaining change parameters of a monitored pipeline, a pressure sensor used for obtaining internal pressure, an acceleration sensor used for obtaining displacement changes, a network transmission module used for establishing communication between the monitoring equipment and the analysis system, an analysis system used for analyzing and evaluating the received surface image, and providing the reliability of the current monitored pipeline and the reliability evaluation result of the current monitored pipeline in the whole pipeline system in combination with the information of the monitoring equipment, and an alarm system used for sending alarm information to the outside when the reliability influence of the to-be-monitored pipeline is lower than a threshold value. According to the invention, the crack propagation condition of each key point is monitored in real time based on the picture data returned by the deep-sea cameras at different key points of the deep sea pipeline system, and the pressure and acceleration data are combined so that the working, operation and maintenance personnel of the deep-sea petroleum engineering are effectively helped to know the health condition of the pipeline in time.

The invention relates to the field of geographic information system software, in particular to an airport resource patrol inspection method. The method comprises the steps of determining a patrol inspection starting point and to-be-inspected resources, and calculating the distance between any two to-be-inspected resources; according to the coordinates of the starting point and the distance betweenany two to-be-inspected resources, generating a weighted undirected connected graph; obtaining the minimum connected path according to the weighted undirected connected graph; generating the shortestpatrol inspection path according to the minimum connected path, and appointing a patrol inspector to conduct patrol inspection according to the shortest patrol inspection path. The invention furtherprovides an airport resource patrol inspection system. According to the airport resource patrol inspection method and system, the shortest patrol inspection path is planned according to the weighted undirected connected graph, and the problem that there is no patrol inspection route originally or a patrol inspection route is artificially designated is solved; the patrol inspector can cover all theto-be-inspected resources at an airport by conducting patrol inspection according to the shortest patrol inspection route, the walking distance of the patrol inspector can be shortened, the patrol inspection time is saved, the patrol inspection efficiency is improved, and the distribution of patrol inspection manpower is optimized.

The invention relates to the field of wind turbine blade inspection, and discloses a wind turbine blade inspection unmanned aerial vehicle based on image recognition and an inspection method thereof.The inspection unmanned aerial vehicle comprises an airborne computer, an optical zoom pan-tilt camera and a wide-angle camera which are installed on an unmanned aerial vehicle body, and the airbornecomputer comprises a flight control unit, an image data processing unit and an optical zoom pan-tilt camera control unit; the image data processing unit is used for calculating an inspection initial position of each wind turbine blade according to the space image of the wind turbine shot by the wide-angle camera; the image data processing unit is used for calculating and processing the image of the wind turbine blade shot by the optical zoom pan-tilt camera, and adjusting the zoom, pitch angle and yaw angle of the optical zoom pan-tilt camera through the optical zoom pan-tilt camera control unit. During inspection, the inspection unmanned aerial vehicle is suspended, and the whole wind turbine blade is shot by changing the zoom, pitch angle and yaw angle of the optical zoom pan-tilt camera.

The invention relates to a checking circuit for energy storage device terminal voltage. The checking circuit for the energy storage device terminal voltage comprises a partial pressure resistance network, an analogue switch, a differential amplifier, an analog to digital (A / D) converter and a microcontroller. The partial pressure resistance network is connected with nodes of an energy circuit which is composed of energy storage pieces connected in series and decreasing voltage of the nodes in equal proportion through a partial pressure resistance mode. The analogue switch is connected with an output terminal of the partial pressure resistance network and used for switching collection channels. The differential amplifier is connected with the analogue switch and amplifies voltage difference between the two nodes by inputting the voltage of the two nodes through the analogue switch. The A / D converter is connected with an output terminal of the differential amplifier, conducts AD sampling to output signals of the differential amplifier and conducts analog-to-digital conversion. The microcontroller is connected with an output terminal of the A / D converter and obtains terminal voltage of a corresponding node due to the fact that output signals the A / D converter multiplied by a coefficient. Compared with the prior art, the checking circuit for the energy storage device terminal voltage has the advantages of simple in circuit structure, quick in checking and the like.

The present invention discloses a switch automatic inspection system and an inspection method thereof. The system comprises a database module, a switch control module and a report generation module. The database module is used for storing an inspection rule, switch configuration information and switch command information. The switch control module is used for connecting a switch and obtaining the operating parameter of the switch and an inspection result. The report generation module reads the inspection result and generates an inspection report based on the inspection rule. According to the inspection system and the inspection method, a terminal, a corresponding switch and a port can be rapidly obtained, thus the working of network operation and maintenance staff is simplified, the working efficiency is improved, and a lot of labor costs are saved.

The invention discloses a multiple unmanned aerial vehicle cooperative intelligent inspection system and method based on ubiquitous electric power Internet of Things. The system comprises a pluralityof mobile cabins, a plurality of positioners and a server, each of the plurality of movable cabins carries a plurality of unmanned aerial vehicles; wherein the plurality of positioners are respectively installed on the unmanned aerial vehicle and the mobile cabin, the plurality of positioners are all connected with the server, and the server is used for formulating an unmanned aerial vehicle inspection route and receiving positioning information sent by the positioners. The method comprises the following steps: S1, formulating an inspection route through a genetic algorithm in combination withan inspected power grid scene; s2, numbering the nodes; s3, delivering the mobile cabin to a designated position; and S4, carrying out multi-machine simultaneous inspection according to the inspection line, and drawing a connection line between the position of the unmanned aerial vehicle and the starting point position according to the positioning information transmitted by the positioner. By extracting and formulating the inspection route, multiple unmanned aerial vehicles operate at the same time, and the inspection efficiency of a power grid line is greatly improved.

A method and a system for self-optimizing inspection of a power transformation / converter station based on a three-dimensional model. The invention discloses a method and system for inspecting a powertransformation / converter station based on a multispectral robot, and belongs to the technical field of power inspection. The method comprises the following steps: determining an equipment type, a non-equipment type and an inspection movable path of a power transformation / converter station three-dimensional model; setting parameters of the multispectral robot; mapping equipment of the power transformation / converter station, a movable path in the preset periphery of the equipment and a sight barrier between the equipment and the movable path; determining an optimal preset point position of to-be-inspected equipment of the power transformation / converter station and a preset angle of the optimal preset point position; generating a two-dimensional node undirected map according to the optimal preset point position of the inspection equipment and the preset angle of the optimal preset point position; and traversing the two-dimensional node undirected map to determine a shortest inspection path, and controlling the multispectral robot to inspect the power transformation / converter station according to the shortest inspection path. Edge calculation of the inspection robot end is avoided, thepower consumption of the inspection robot is reduced, and the charging frequency and the total inspection time are reduced.

The invention provides a method and a device for processing an electrocardio signal and a system for acquiring and printing the electrocardio signal, which aim at solving the technical problems that the existing electrocardiogram acquisition method is low in efficiency, high in cost and complicated in operation. The method comprises the steps of acquiring an electrocardio signal, and judging the quality of the electrocardio signal; providing a prompting signal corresponding to the quality to a user according to the quality of the electrocardio signal; and transmitting a key message to an electrocardiogram machine, so that the electrocardiogram machine is triggered according to the key message to process the electrocardio signal. Compared with the prior art, the user does not need to approach the electrocardiogram machine and to keep a close watch on the electrocardiogram waveform, the quality of the current acquired electrocardio signal can bee rapidly and intuitively judged by the user on any position and at any time, the electrocardiogram waveform can be rapidly acquired and printed, the operation flow is greatly simplified, the examination time is shortened, paper cost can be reduced, more convenience can be brought to the user, and the design is more humanized.

The invention discloses a light-duty routing inspection trolley for a high speed railway, relates to a routing inspection vehicle for a train rail and solves the problem of long consumed time for carrying out routing inspection on the railway in a manual walking mode. The light-duty routing inspection trolley for the high speed railway comprises electric vehicle bodies, a connecting device and a control device. The two electric vehicle bodies are connected by the connecting device. The connecting device comprises a front connecting rod, a vehicle seat connecting rod and a lower connecting rod. Two reinforcing rods are symmetrically arranged between the vehicle seat connecting rod and the lower connecting rod. The control device is fixed at the middle part of the connecting device and is connected with the electric vehicle bodies. A lithium battery is arranged in the control device. Two front supporting traveling wheels are symmetrically fixed on a front wheel of each electric vehicle body. Two rear-wheel guide wheels are symmetrically fixed on a rear wheel of each electric vehicle body. A front handle bracket and a frame of each electric vehicle body are provided with pin holes. An anti-rotation pin shaft runs through the corresponding two pin holes of each electric vehicle body. The light-duty routing inspection trolley for the high speed railway has simple structure and is convenient to use. Rapid routing inspection on the railway can be realized. The routing inspection time is saved. After the routing inspection is completed, the connecting device can be disassembled and the electric vehicle bodies can be used independently.

The invention relates to a surface foreign material detecting system and a control method thereof. The surface foreign material detecting system comprises a platform part, a light source irradiating part, a supporting bench, a shooting part, a control part, and a display part. A detected object is disposed on an upper part of the platform part, and the platform part can be used to adjust the height of the upper part. The light source irradiating part can be separated from the platform part, can be used to irradiate the light for the checking parallel to the surface of the detected object according to the checking condition. The shooting part is disposed on the above mentioned supporting bench, can be used to receive the light scattered from the surface of the detected object, and shoot the image information of the foreign material information of the detected object. The control part is connected with the platform part, the light source irradiating part, and the shooting part, and is used to receive the image information, and can be used to detect the surface foreign material information. The display part can be used to display the surface foreign material information.

The invention discloses an automated inspection method of middleware. The method includes the following steps that Winscp software is run and a Winscp script is started, and a tour-inspection script is pushed to a remote computer and executed; a tour-inspection process is run, a tour-inspection result is obtained, and a tour-inspection result file is synchronized to an info catalogue; the file data of the info catalogue is imported to an Excel table; the corresponding sql is queried, and the corresponding table data is generated; the duplicated data in the table is cleared; the data is saved in an access database; the data is compressed and emailed to a reserved email box of an operator.

The invention relates to a pressure generation intelligent manhole cover capable of real-time self inspection, which belongs to the field of smart cities. The pressure generation intelligent manhole cover comprises a power generation module, a power storage module, a control module and a sensor, wherein the power generation module adopts pressure type power generation and is used for converting mechanical energy generated in a deformation area of the manhole cover into electric energy; the power storage module comprises a power storage device and a rectification and voltage stabilizing circuit and is used for storing the electric energy converted from the mechanical energy and supplying power to a processing module and the sensor of the manhole cover; the control module is used for monitoring the state of the manhole cover, processing collected data and uploading to the cloud end and comprises a single chip microcomputer system, a manhole cover self-checking circuit, an electric quantity monitoring circuit and a signal sending module; and the sensor is used for collecting data under the manhole cover. The intelligent manhole cover can generate power independently and can upload the current state of the manhole cover in real time, the problem of power supply of the sensor is solved, various sensors can be operated, and a large quantity of basic data can be provided for the smart cities.

The invention relates to an integrated-type comprehensive coal bunker comprising the original buildings and structures which are relatively independent in a coal handling system, such as a transfer station, a sampling and preparing room, a screener, a coal crusher house and a coal conveying gallery, wherein the buildings and structures are closely arranged on the periphery of the main body structure of a coal bunker of a bridge-type coal grab; facilities with the functions of unloading coal, storing, blending coal, transferring, measuring, sampling and preparing, deironing, screening, crushing and the like are integrated in the comprehensive coal bunker; and an extra space below or / and above the coal conveying gallery is adequately utilized for arranging a coal pusher garage, a coal conveying power distribution room, a coal conveying duty control room and other auxiliary facilities and buildings capable of utilizing the extra spaces above and below the coal conveying gallery, thus saving the site area.

The invention discloses a medicine feeding control system of a semi-automatic Chinese medicine formula granule dispensing machine, and relates to the technical field of Chinese medicine formula granule adjustment. According to the medicine feeding control system of the semi-automatic Chinese medicine formula granule dispensing machine, RFID tags that record drug information are installed on medicine bottles; a medicine storage subunit of a medicine storage rack is equipped with an identifier I for identifying the RFID tags; the medicine bottle inserting hole is equipped with an identifier II for identifying the RFID tags; and the position coordinate information, the identifier I and the identifier II establish a communication connection. The medicine feeding control system of the semi-automatic Chinese medicine formula granule dispensing machine performs checking through the identifier of the medicine bottle inserting hole when feeding medicine; and the return is a disorderly return. The medicine feeding control system of the semi-automatic Chinese medicine formula granule dispensing machine can omit the step of manual information checking, and can also return the medicine bottlesin disorder when returning the medicine bottles; therefore, the effect of information checking when feeding medicine and the return efficiency of the medicine bottles are greatly improved; and therefore, the overall dispensing efficiency of the semi-automatic medicine dispensing system is improved.

The invention relates to an orbit-type inspection robot relocation method. The orbit-mounted inspection robot relocation method includes the steps that initialize setting is conducted on locating point data by an inspection robot, and distance data, between all locating points, recorded in order are obtained; when the inspection robot losses location, the inspection robot walks two locating pointsin the direction away from or close to an orbit initial point, the distance between the two locating points is calculated, and the closest record is found in distance records of the initialize setting; if the record is only one, in the two locating points in the initialize distance record, one locating point that the inspection robot finally passes according to walking direction, and the sequencenumber of the locating point is the locating point sequence number of a present location; and if the records are two or more, the inspection robot continuously walks to pass through a next locating point until the record is only one. According to the orbit-type inspection robot relocation method, the problem that when the inspection robot losses the location due to a variety of reasons, the inspection robot do not need to return to the orbit initial point, and the location of the inspection robot can be precisely re-located is solved.

A cargo security inspection method and system based on spiral scanning, the method including: spirally scanning an inspected object at a first precision to obtain the transmission projection data; judging whether there is a suspect area in the inspected area; scanning at least one slice of the suspect area at a second precision wherein the second precision is greater than the first precision; reconstructing a tomographic image of the at least one slice; and using the reconstructed tomographic image to judge whether there is any dangerous article in the suspect area.

The present invention discloses a pressure point inspection device, able to press on a plurality of pressure points on liquid crystal display panel for inspecting display condition, the pressure point inspection device includes: lateral adjustment board, lateral adjustment board including a first lateral board and a second lateral board; vertical adjustment board, disposed crossly on lateral adjustment board, vertical adjustment board including first vertical board and second vertical board, able to fold separately; wherein lateral adjustment board and / or vertical adjustment board disposed with a plurality of inspection heads, vertical disposition gap between first lateral board and second lateral board adjustable and lateral disposition gap between first vertical board and second vertical board adjustable. As such, the pressure point inspection device can save time of pressing pressure points on TFT-LCD and improve inspection efficiency and avoid missing pressure point.