41 results about "No detection" patented technology

A method (2) for operating an automated driving function of a vehicle (3) comprises the steps of: detecting (21) an object (4) in front of the vehicle; and in response to the detection (21) of the object (4), generating (22) control signals to cause the vehicle (3) to decelerate. The control signals are generated such that, in an initial deceleration phase (P1) ending after a predetermined deceleration time or distance, a first deceleration limit is observed, and in a subsequent follow-up deceleration phase (P2) a second deceleration limit, which is less restrictive than the first, is observed.The subsequent delay phase (P2) is only initiated if, throughout the entire initial delay phase (P1), one and the same detected object (4) has caused the vehicle (3) to decelerate, and if no physically implausible jump in the distance of the object (4) to the vehicle (3) or in other determined movement data of the object (4) has been detected during the initial delay phase.

The utility model discloses a high-precision online quality control device for packaging box printed finished products, and belongs to the technical field of packaging box production equipment. The device comprises an on-line quality control instrument, detection mechanisms and a rotating mechanism, the detection mechanisms are arranged on two sides of the top of the on-line quality control instrument, the rotating mechanism comprises a fixed shell, the left side of the bottom of the inner wall of the fixed shell is connected with a motor, the output end of the motor is connected with a first gear, and the right side of the first gear is provided with a second gear which is internally connected with a transmission shaft. The top of the transmission shaft penetrates through the fixing shell and extends out of the fixing shell to be connected with the rotating disc. By arranging the rotating mechanism, the packaging box can be driven to rotate, then the pushing mechanism drives the packaging box to move to the right side to the transmission belt on the right side, the packaging box is detected through the detection mechanism, and no detection dead angle is generated when an operator detects the packaging box.

The invention relates to a method for scanning the presence inside a vehicle using a scanning device comprising at least one internal ultra-wideband transceiver module and one external ultra-wideband transceiver module able to locate a portable "hands-free" access equipment carried by a user, according to the invention, the device is equipped with ultra-high frequency communication means for communicating with the equipment, and the method implements the following steps: a) detecting the locking of the vehicle; b) for a predetermined duration: i) scanning the presence inside the vehicle with the internal module; ii) simultaneously transmitting to the equipment a request for detecting a U-turn of the user; iii) if a U-turn signal is received, stopping the scanning and locating the user with the two modules; iv) if a presence is detected inside the vehicle, stopping the scanning and transmitting a warning; c) when the duration has elapsed, if no U-turn signal has been received and if no presence has been detected, locating the user with the two modules.

The utility model belongs to the technical field of oil outlet valve matching part detection, and discloses an oil outlet valve matching part conical surface sealing detection tool, which comprises a detection platform, a rack fixedly connected above the detection platform and a sealing detection assembly arranged on the surface of the detection platform, and the top of the rack is fixedly connected with an electric push rod. The extending end of the electric push rod is fixedly connected with a movable table, the movable table is arranged on the rack in a sliding mode, the movable table is fixedly connected with a first motor, and the first motor is fixedly connected with a sealing plate used for being matched with a sealing detection assembly to conduct sealing detection. According to the bearing oil seal assembling equipment provided by the utility model, the first clamping part and the second clamping part are staggered in the height direction, so that the phenomenon that false sealing is qualified due to clamping pressure is effectively prevented in a clamping mode that the first clamping part and the second clamping part are used for clamping different positions of an oil outlet valve matching part in sequence; and no detection dead angle in sealing detection is ensured.

The invention discloses a sensor vulnerability detection method and device, and relates to the field of sensor hardware security, and the method comprises the steps: generating a detection configuration file according to the type of a detected sensor and an out-of-band vulnerability detection type; transmitting a detection signal to the detected sensor according to the detection configuration file; and acquiring the reading of the detected sensor in real time, and determining the out-of-band vulnerability of the detected sensor according to the reading of the detected sensor when the detection signal is not transmitted and the reading of the detected sensor after the detection signal is transmitted. The detection configuration file is generated according to the type of the detected sensor and the out-of-band vulnerability detection type, the corresponding detection signal is transmitted, the out-of-band vulnerability is judged by comparing the sensor readings before and after detection, accurate matching of the detection strategy and the detection object is achieved, the accuracy and reliability of out-of-band vulnerability detection of the sensor are greatly improved, and the detection efficiency is improved. The detection process is simplified, the detection cost is reduced, and a reliable basis is provided for formulating a sensor safety protection scheme.

Systems and methods for detecting quarter window breakage in a vehicle are provided. A print is disposed on a surface of the quarter window. The proximity sensor is disposed within a predefined distance of the print on the surface of the quarter window inside the vehicle. The proximity sensor is configured to generate a first signal in response to detecting printed matter within the sensor detection range, and to generate a second signal in response to not detecting printed matter within the sensor detection range. The controller is communicatively coupled to the proximity sensor and is configured to issue a quarter window breakage notification for transmission to a vehicle alert system in response to receiving a second signal from the proximity sensor.

A communication method includes: a carrier sensing step (S10) performing carrier sensing at each predetermined period; a transmission step (S11) transmitting first data including the ID information of its own wireless electronic tag to the wireless access point when no signal transmitted from another wireless electronic tag to the wireless access point is detected during the carrier sensing and the transmission is not in a stopped state; an instruction interpretation step (S12) detecting a signal during the carrier sensing and, if the signal is not transmitted from another wireless electronic tag to the wireless access point, interpreting the detected signal as a signal transmitted from the wireless access point and including an instruction in the signal; and a frequency changing step (S13) changing the radio frequency of a signal transmitted by its own wireless electronic tag when the signal is interpreted as including an instruction for indicating a frequency change.

The application provides a cable automatic stripping device and a core detection method. The cable automatic stripping device comprises a matrix sensor arranged in a stripping space of a cable stripper. The matrix sensor comprises a plurality of optical fibers arranged in a single column or multiple columns. The plurality of optical fibers are configured to detect the exposure state of the core of the target cable. The matrix sensor adopts the arrangement of the plurality of optical fibers. A single optical fiber can both emit a detection signal and collect a reflected signal. The detection range is significantly expanded, and the limitation of the narrow detection range of the separate scheme of the infrared emitter tube and the infrared receiver tube is overcome. The optical fiber has an extremely small diameter, and the plurality of optical fibers can be densely arranged in a small space. If the cable shakes during the stripping process, when a single optical fiber is affected, the other optical fibers can still work normally, so that the cable is always within the detection range. In addition, the matrix sensor supports dustproof self-checking in the state of no detection cable, and solves the deficiency that the self-checking of the separate scheme of the infrared emitter tube and the infrared receiver tube is difficult to implement.

The invention provides a multi-layer cloth detection sewing method which is used for business suit welt pocket layering processing and comprises the steps that a reference stitch set is sewn in a follow-up seam allowance area covered with pocket cloth, the left end of a pocket opening is a first reference stitch set with two short linear back stitch sections, and the right end of the pocket opening is a second reference stitch set with three short linear back stitch sections; after covering the pocket cloth, scanning and sampling in a detection window by adopting a capacitor, an inductor or an eddy current detection unit arranged on a presser foot or a needle plate, determining the actual positions of the two reference stitch groups, calculating translation deviation and rotation deviation, sewing after transforming the overall coordinates of the track in the pocket cloth assembling stage, and forbidding execution and giving an alarm if the coordinates are not detected or exceed a threshold value. According to the method, alignment reset and fool-proof control in the shielding state are achieved, mistaken sewing and mistaken cutting are reduced, and consistency is improved.

The utility model relates to the field of automobile part detection, in particular to a detection tool suitable for an automobile information general host, which comprises a mounting bottom plate, a positioning block is arranged on the mounting bottom plate, and a mounting groove matched with a mounting surface bump of the information general host is arranged on the positioning block. A pressing device and a detection device are further arranged on the installation bottom plate, the pressing device is arranged beside the non-detection position of the information general host, and the detection device is located beside the detection position of the information general host and detects the information general host. The problems that at the present stage, a go-no go gauge is used for independently detecting each installation hole position, a caliper is used for detecting the thickness of a related support, and due to the fact that the batch number is large, detection is tedious, time and labor are wasted, and working efficiency is low are solved.

The utility model relates to the technical field of welding production and processing, and discloses a welding verification device which comprises a bottom frame, the bottom frame is a [-shaped rod with an upward opening, motors are symmetrically and fixedly connected to the two sides of the outer wall face of the bottom frame, and a detection head is arranged in the opening of the bottom frame; the rotary detection structure is arranged on the wall face of the bottom frame and used for detecting the welding position, the rotary detection structure comprises control shafts, limiting blocks, rotary rings and extension plates, the control shafts are symmetrically and rotationally connected in an opening of the bottom frame, the limiting blocks are symmetrically arranged in the opening of the bottom frame, and the rotary rings are rotationally connected between every two sets of symmetrical limiting blocks; the extension plates are symmetrically and fixedly connected to the wall face of each rotating ring, the detection heads are fixedly connected to the wall faces of the extension plates, the rotating rings can rotate on the wall faces of the limiting blocks, and the rotating detection structure drives the detection heads to conduct annular detection on the welding position of the workpiece through the rotating rotating rings. Therefore, more accurate detection data is obtained.

The present invention relates to an object detection device, and an object of the present invention is to optimize a detection cycle. The object detection device includes a transmission unit that transmits a transmission wave; a reception unit that receives a reception wave that is returned after the transmission wave is reflected by an object until a prescribed measurement time elapses; a detection unit that detects the object based on distance information based on the reception wave received by the reception unit; and a reception control unit that makes the measurement time after the object is detected shorter than the measurement time after the object is not detected. The reception control unit sets the measurement time to a time corresponding to a position that is farther than a distance to the nearest existing object by a prescribed distance.

This invention discloses a low-power intelligent current sensor, including a base and a dustproof propulsion device. The dustproof propulsion device, when the opening and closing plate inside the dustproof assembly is closed, reduces the opening in the middle of the turntable and fixed plate, sealing the detection through-hole for dust protection. This prevents external dust from entering the detection through-hole when no detection activity is being performed, thus avoiding impact on the accuracy of subsequent wire detection. Simultaneously, during wire detection, the opening and closing plate supports the wire for centered insertion. Furthermore, the wire's insertion into the propulsion assembly, combined with the opposing transmission effect of the upper and lower conveyor belts, enables automatic wire propulsion detection. The spacing between the upper and lower conveyor belts can be flexibly adjusted to expand its application range and achieve stable, anti-slip propulsion during the process. Thus, the current sensor achieves the advantages of dustproof protection, centered support detection, and automatic propulsion detection.

The utility model relates to the technical field of elevator detection, and discloses an intelligent self-detection safety elevator which comprises a top plate, the top of the top plate is provided with a traction assembly used for providing power, the bottom of the traction assembly is provided with a supporting assembly used for bearing the elevator, and the top of the supporting assembly is fixedly connected with an elevator car. A positioning plate is fixedly connected to the right side of the top of the elevator car, a quick release assembly for realizing quick release is arranged in the positioning plate, a second mounting plate is fixedly connected to the top of the quick release assembly, a self-detection device is fixedly connected to the top of the second mounting plate, and a sound collector is mounted at the top of the self-detection device. According to the utility model, a whole-course and all-directional detection mode is adopted, and no detection dead angle is left, so that the running safety of the elevator is greatly improved, potential safety accidents are effectively avoided, and the life safety of passengers and the stable running of equipment are guaranteed.

The utility model discloses a bushing inner hole go-stop detection device comprising a base plate, the base plate is provided with a first limiting plate which is driven by a cylinder to move along the X-axis direction and the Z-axis direction, the upper surface of the base plate is fixedly provided with a product placing seat in the stroke of the first limiting plate, and one side of the product placing seat far away from the first limiting plate is provided with a sensor part; a third air cylinder and a displacement sensor are fixedly mounted on the side face of the lower vertical plate, a spring mounting seat is fixedly mounted on the side face of the lower vertical plate and located above the displacement sensor, a spring is arranged in the spring mounting seat, a go-no go gauge is inserted into the spring, and the part, located above the spring, of the go-no go gauge transversely penetrates through a limiting rod; the lower end of the go-no go gauge is fixedly connected with the moving part of the displacement sensor, and a lower sensor part is installed at the edge of the side face of the lower vertical plate and comprises two sensors for sensing the stroke of the second limiting plate. The device is high in automation degree in the whole process and high in detection speed, and the labor intensity of workers is greatly reduced.

The utility model discloses an ultrasonic flaw detection device for aerospace aluminum alloy product production, and relates to the technical field of aerospace aluminum alloy product detection. The device comprises a chassis, one side of the top of the chassis is fixedly connected with a driving motor, and an output shaft of the driving motor is fixedly connected with a first gear. In the detection process, excellent high efficiency is shown, the driving motor drives the first gear and the second gear to transmit, accurate rotation of the detection table is achieved, products can be rapidly fed into the detection bin and rotated out after detection is completed, the detection process of the next product is seamlessly connected, and the detection efficiency is improved through cooperative work of the photoelectric sensor and the control mechanism. The ultrasonic flaw detection instrument can be started instantly when a product reaches a detection position, and during detection, the adjusting motor can drive the product to rotate, so that multi-surface flaw detection is realized, no detection dead angle is ensured, the whole process is high in automation degree, manual intervention is greatly reduced, and the detection efficiency is improved.

The invention relates to a lift chair loading device (10) comprising at least two adjacent timing gates (20) for regulating the flow of people passing through the timing gates (20), the loading device (10) comprising a high risk condition detection system (100) comprising: a detection device (30) capable of determining the presence of a potential person passing through each timing gate (20) and determining whether the height of the potential person is greater than a predetermined height (G); a data processing unit (40) configured to determine, from data from the detection device (30), the presence of the following high risk condition: a person having a height less than the predetermined height (G) is detected in front of a given gate (20) between adjacent gates (20) and no person having a height greater than the predetermined height (G) is detected in front of one of the adjacent gates (20).

An apparatus that monitors an inventory of goods in an inventory area includes a detectable element on a movable structure, and a detector that can detect the detectable element in a replenishment signaling area. A state machine represents states of the inventory area: a first state when the detectable element is not in the replenishment signaling area; a second state when the detectable element is in the replenishment signaling area; and a third state when an order has been placed to replenish the goods. A first-to-second state transition occurs when the detector detects the detectable element in the replenishment signaling area. A second-to-third state transition occurs when an order for the goods is processed. Based on the second-to-third state transition, a replenishment notification is generated. A third-to-first state transition occurs based on the detector not detecting the detectable element in the replenishment signaling area for a predetermined time period.

The present invention relates to a system and method for authenticating a user using a device during a session. In one example the system for authenticating a user using a device during a session including: an input device configured to capture and transmit input data, a processor operatively coupled to the input device, the processor including an authentication engine executable by the processor, the authentication engine configured to: receive input data from the input device, detect a user's presence in the input data, start a countdown timer if no user presence is detected, continuously detect a user's presence during the countdown timer, end the session if a user's presence is not detected during the countdown timer and the timer reaches its end, and; re-authenticate a user and keep the session active if a user's presence is detected during the countdown timer.

The utility model provides a silicon steel bar detection mechanism, and aims to solve the problems of low efficiency and high omission ratio of manual detection of the surface of a silicon steel bar in the prior art. The device mainly comprises a rack, a main shaft base, a guide base, a lower transmission unit, an upper transmission unit, a stand column, a cross beam, a lower hanging plate and a detection unit. A silicon steel bar is clamped and conveyed by the driving guide wheel and the driven guide wheel, and the servo motor drives the silicon steel bar to move through the main shaft. The detection unit adjusts the position of a visual detection camera through a ball screw linear module, and performs high-precision detection in combination with an exposure lamp. The manual lead screw adjusting mechanism can further finely adjust the angle of the camera to ensure no detection dead angle; the on-line detection device is simple in structure, convenient to adjust and suitable for on-line detection of a silicon steel bar production line, and has high practicability and popularization value.

Various aspects of the present disclosure generally relate to wireless communications. In some aspects, a user equipment (UE) may increment a counter based at least in part on no detection of feedback in a specified physical sidelink feedback channel reception occasion. The UE may indicate a radio link failure message to a higher layer of the UE based at least in part on the counter satisfying a counter threshold. Numerous other aspects are described.

The utility model relates to the technical field of silicon rod machining equipment, in particular to a wire breaking detection device of a wire cutting machine and the wire cutting machine. Specifically, the broken line detection device comprises a detection line, a line hanging assembly and a detection assembly, the line hanging assembly and the detection assembly are distributed in the X direction at intervals, the two ends of the detection line are fixedly connected with the line hanging assembly and the detection assembly respectively, and the detection assembly can detect that the detection line is broken. The wire hanging assembly comprises a first fixing component and a pre-tightening force mechanism installed on the first fixing component, and the pre-tightening force mechanism is connected with the detection wire and can apply pre-tightening force to the detection wire. And by arranging the pre-tightening force mechanism, the detection line can have pre-tightening force, so that the detection line is more easily broken, and the situation that breakage of the cutting line is not detected is favorably avoided.

The invention relates to a double-model fusion object surface defect detection method and device and a medium, and belongs to the technical field of industrial defect detection.The method comprises the steps that S1, a target object defect image is obtained, a data set is made, and models are trained; s2, inputting a target object image, and synchronously using target detection and a semantic segmentation model to detect a target object; s3, the detection result is judged, if only one model detects defects or no defects are detected, the detection result is output, and the process is ended; s4, if the condition of S3 is not met, calculating the ratio of the area of an intersection region in the detection results of the two models to the respective detection results; and S5, comparing the two ratios with a set intersection threshold value, reserving a result meeting the requirement, repeating the steps S4 and S5, and outputting a final detection result. According to the invention, the detection results of two different models are unified, joint detection is realized, and the accuracy of surface defect detection of the button cell is improved.

The application discloses an individual safety equipment performance detection platform for forest fire, and belongs to the technical field of fireproof equipment testing. The application is aimed at solving the problem that there is no detection platform for detecting the overall performance of individual safety protection equipment such as fireproof cover. The application comprises a platform hardware and a detection and evaluation system. In the hardware, a sample mounting table is arranged in the middle of a test table. A plurality of folding support steel frames are arranged on the upper surface of the sample mounting table. A detector mounting hole is arranged on the sample mounting table, and the detector mounting hole is used for mounting temperature sensors and smoke sensors. The temperature sensors are symmetrically arranged at the center. A plurality of mounting plates are arranged on the test table, and the mounting plates form a relatively closed thermal environment space. Each mounting plate is provided with a plurality of mounting holes, and a burning heat source is mounted on the mounting holes through an angle adjusting device. The detection and evaluation system performs performance evaluation by using the ratio of the internal space temperature value to the temperature outside the individual safety equipment at the corresponding space position.

The application provides a passage detection system, comprising a detection device installed in a passage; the detection device has a detection field angle, and the detection field angle forms a detection area in the passage; the detection device comprises at least two detection sensors, and the two detection sensors are arranged in the passage so that the detection area in the passage has no detection blind area in the horizontal direction. Through the technical scheme, the detection device forms a detection area in the passage based on its own field angle; when a target passes through the detection area, the detection device can detect the target and determine the passing situation in the passage; the detection device comprises at least two detection sensors, and the two detection sensors are arranged in the passage; by reasonably arranging the installation positions of the two detection sensors, the two sensors can be used in cooperation, so that the detection area in the passage has no detection blind area in the horizontal direction, thereby making the detection of the detection device in the passage more accurate and the detection precision of the detection system higher.

The embodiments of the present application relate to the technical field of communications. Provided are a communication method and apparatus, and a storage medium and a program product, which solve the technical problems of the probability of collision during random access re-initiation and the probabilty of random access failure being high when a terminal performs random access on a network having a long SSB period. The method comprises: after a terminal sends first random access request information, if no response information to the first random access request information is detected within a random access detection backoff duration window, the terminal using a duration that is twice an SSB period or more than twice an SSB period of a current network system as the maximum backoff duration to randomly select a backoff duration for re-initiating random access, and re-initiating the random access on the basis of the randomly selected backoff duration.

The invention relates to an automatic door and a method for controlling an automatic door (10), comprising a control unit (70) for controlling the door, which acts on a door drive; further comprising a monitoring system (11), which comprises at least two sensors (12, 32) mounted on two opposite sides of the door, seen in the direction of the passage, wherein each of the sensors (12, 32) comprises a scanning unit (16, 36) monitoring a sensor safety area, which applies a safety signal to the control unit upon detection of an object within the sensor safety area of the sensor. According to the invention, after a predetermined time interval (TL) without detection within the sensor safety area of the sensor, the monitoring system (11) is set to a "restricted mode", in which mode at least one sensor safety area is set to a restricted area, wherein a safety signal is provided upon detection of an object within the restricted area, and upon detection within the restricted area the monitoring system will be set back to the unrestricted "normal" mode.

This utility model provides a laser marking anti-duplicate code device, relating to the technical field of laser marking devices. It includes a positioning chassis, with a marking fixture mounted on the upper end of the chassis. A scanning unit is located on one side of the marking fixture, and an industrial barcode scanner is mounted on one side of the scanning unit. The scanning unit is connected to a marking device mounted on one side of the positioning chassis via a wire. The scanning unit is provided with an independent power supply. The scanning unit is connected in series with a marking signal button. The scanning unit is set to a normally closed state, remaining closed when a QR code is detected and normally open when no QR code is detected. When the scanning unit is normally open, it allows the output of a 24V electrical signal to the marking device for marking. When the product has already been marked, the scanning unit detects the QR code and remains in a normally closed state. At this time, even if the marking button is pressed, the circuit will not close, and no electrical signal will be output to the marking device, thereby preventing duplicate marking.

A method for securing a container loading facility comprising a gantry crane spanning a work area with at least two loading areas and at least one access area extending between the loading areas, and designed to move containers from one loading area to another, wherein the access area is scanned by means of at least one LiDAR sensor and a safety signal is generated when a person is detected in the access area by the at least one LiDAR sensor, wherein a movable marker object is arranged in the access area when a person enters one of the loading areas from the access area, and a safety signal is also generated without the detection of a person in the access area if a marker object is detected in the access area by the at least one LiDAR sensor.