460 results about "Metal detectors" patented technology

The invention provides a metal detection system and method with a partition detection function. The metal detection system comprises a conveying device which is provided with a conveying frame and a conveying belt arranged on the conveying frame; the metal detector comprises a shell located on the conveying frame and a detector arranged in the shell, the detector is provided with a transmitting assembly and a receiving assembly, in the width direction of the conveying belt, the transmitting assembly forms an annular transmitting area, and the receiving assembly forms an independent detection area and a composite detection area corresponding to the annular transmitting area; wherein in response to the movement of the conveyor belt, the detector is used for determining the positions of the metal foreign matters passing through the annular emission area, the independent detection area and the composite detection area in the materials on the conveyor belt. According to the invention, the position of the metal foreign matter in the material is rapidly and accurately positioned, the accuracy and reliability of detection are improved, and the subsequent targeted treatment on the material containing the metal foreign matter is facilitated.

The fiber detection material conveyor comprises a support, the upper surface of the support is fixedly connected with a conveying frame, the rear end of the left side of the conveying frame is fixedly connected with a gear motor, the driving end of the conveying frame is fixedly connected with a driving shaft of the gear motor, and the upper surface of the conveying frame is fixedly connected with a metal detection machine. A carding device is arranged on the inner wall of the conveying frame and comprises a leveling assembly, the leveling assembly comprises a mounting frame, the mounting frame is fixedly connected with the upper surface of the conveying frame, a connecting plate is mounted on the inner wall of the mounting frame, and a guide plate is fixedly connected to the end, away from the mounting frame, of the connecting plate. By means of the carding device installed in the conveying frame, when the conveying frame conveys fibers, the fibers passing through the detection area can be carded so as to ensure that the fibers pass through the detection area in a flat state, and the detection equipment can effectively detect metal containing impurities in the fibers.

A lid assembly for an in-ground meter box that can withstand substantial loads (e.g., 22, 500 lbs) without deformation. The lid assembly includes a metal frame secured to the bottom side of a plastic lid to allow the plastic lid to seat tightly for covering the in-ground meter box. The metal frame provides the rigidity and strength to withstand the loading while simultaneously providing the lid with sufficient weight to make it non-bouyant, i.e., should the surrounding ground environment become flooded, the lid is heavy enough to remain in place, covering the meter box and will not float away. The metal frame also is detectable by a metal detector should the lid every be covered over with debris and need to be located. The plastic lid body (e.g., linear low-density polyethylene (LLDPE)) of the lid assembly avoids radio signal interference or attenuation emanating from a transmitter positioned within the meter box.

A barrier component, a metal detector component; and a base structure that physically connects to the barrier component and connects to the metal detector component, wherein the base structure distances the barrier component from the metal detector component a distance that prevents electromagnetic interference between the barrier component and the metal detector component. A monitoring component monitors at least one gate system parameter of the gate system and stores the at least one gate system parameter or transmits the at least one gate system parameter to a monitoring service over a network.

Disclosed herein is a hand-held underwater dredge integrated with a metal detector, designed for locating and retrieving metallic objects from aquatic environments. Equipped with a suction-generating electric pump and powered by an onboard battery to enable operation while fully submerged, the dredge features a pipe system leading to a catch can that captures metal items while expelling the water drawn into the pipe system by the generated suction. In operation, users scan a riverbed, seabed, or lakebed using the metal detector. Once a metal item is detected, the user places the suction end of the pipe system over the metal item and activates the electric pump to start the suction, leading to capture of the metal item in the catch can for retrieval. This streamlines the process of underwater treasure hunting, combining detection and collection into a single user-operated system.

The utility model relates to the field of wet tissue processing, in particular to a metal foreign matter detection device which comprises a workbench, table legs, a conveying mechanism and a detection classification mechanism. The conveying mechanism is arranged on the outer side of the workbench and used for fixing wet tissues and conveying the wet tissues to a detection point; the detecting and classifying mechanism is arranged on the top of the workbench and used for detecting the content of metal foreign matter of the wet tissue at a fixed point and separating qualified products from defective products. Through the arrangement of the conveying mechanism, wet tissues are conveyed and detected at fixed points, continuous and rapid metal impurity detection can be realized, manual intervention is reduced, the production efficiency is improved, meanwhile, the consistency of a detection environment can be ensured, and the influence of factors such as position change or vibration on a detection result is reduced, so that the detection accuracy is improved, and the detection efficiency is improved. And the wet tissues can pass through the metal detector one by one, so that missing detection is effectively avoided, and each wet tissue is ensured to be fully detected.

The method is useful for operating a metal detector including a balanced coil system (2) with a transmit coil (21) connected to a transmit unit (1) and first and second receive coils (22A, 22B) connected to an input of a receive unit (3). The transmit unit (1) includes a transmit signal path (tp) to which a transmit signal (tx) having at least one fixed or selectable operating frequency and an associated quadrature signal (tx90°) are provided, the transmit signal (tx) being applied to an input of a transmit amplifier (12) which transfers the amplified transmit signal (tx) directly or via a transmit matching unit (13) to the transmit coil (21), and the receive unit (3) includes at least one receive signal path (rp) to which a modulated receive signal (rs) received from the balanced coil system (2) is applied directly or via a receive matching unit (31) to a receive amplifier (33), which transfers the amplified modulated receive signal (rs) directly or indirectly to a receive amplifier (33). The modulated received signal (rs) is applied to a receive phase-sensitive detector (34; 4534), which compares the modulated received signal (rs) with reference signals corresponding to the transmitted signal (tx) and the quadrature signal (tx90°) to generate a demodulated complex received signal (rsc) having an in-phase received signal component (rs-I) and a quadrature received signal component (rs-Q), which are processed in a signal processing unit (45) including at least one signal processing path (sp), in which signal components of the complex received signal (rsc) related to the product or noise are suppressed and signal components originating from metal contamination are further processed.According to the invention, at least one transmit measurement channel (8) is provided, which includes a measurement amplifier (83) that receives a measurement signal (ms) taken from the transmit signal path (tp), amplifies the measurement signal (ms) and forwards it directly or indirectly to a measurement phase-sensitive detector (84; 4584), which compares the measurement signal (ms) with reference signals corresponding to the transmit signal (tx) and the quadrature signal (tx90°) and generates a complex measurement signal (msc) having an in-phase measurement signal component (ms-I) and a quadrature measurement component (ms-Q), and the complex measurement signal (msc) and the complex receive signal (rsc) are applied to a first correction module (451), and signal components due to instabilities of the transmit unit (1) are removed from the complex receive signal (rsc).

A method of detecting at least one target using a handheld metal detector, comprising: emitting, by an emitter, an emission magnetic field; receiving, by the receiver, the receive magnetic field to generate one or more receive signals; processing the one or more received signals to generate a plurality of different processed signals; constructing a representation of a vector subspace based on the plurality of different processed signals; respectively processing the representation of the vector subspace and a plurality of target models so as to determine the close degree between each target model and the vector subspace; and based on the close degree of each target model in the plurality of target models and the vector subspace, generating indication output indicating the existence of at least one target.

The invention relates to the technical field of food detection, in particular to a food metal detector which comprises a food conveyor and a metal detection mechanism arranged on the food conveyor, a tray conveyor is arranged beside the food conveyor, a supporting frame is fixedly connected between the tray conveyor and the top end of the food conveyor, and a sliding groove is formed in the top end of the supporting frame. By means of the arrangement of the structure, two rows of bread in the middle of four rows of bread on the tray can be pushed to the middle, then the bread on the outer side is pushed to the two sides, the moving space of the upper shovel plate and the lower shovel plate is reserved, and the upper shovel plate and the lower shovel plate can be lowered to the tray; and then the upper shovel plate and the lower shovel plate are driven to move towards the two sides to shovel up all the four rows of bread, then the bread is placed on the food conveyor through the moving mechanism to be subjected to metal detection, and therefore automatic taking of the bread in the tray is achieved, workers do not need to shovel the bread beside, and the convenience performance of the equipment is improved.

The present application relates to hot strip production process technical field, specifically to a kind of coreless hot coil box open tail folding processing method, comprising: receiving intermediate blank thickness, for the equipment preset of hot coil box;After hot coil box completes coiling and uncoiling, when the hot metal detector HMD at the outlet of hot coil box becomes OFF state, according to the distance of slab tail reaching flying shear is calculated based on speed parameter;The thickness of slab tail is detected using pinch roll at the outlet of hot coil box;When the thickness of slab tail is detected and the thickness mutation value reaches the threshold range of preset, it is determined that tail uncoiling fails, and an abnormal instruction is sent to flying shear cutting system;After flying shear cutting system receives the abnormal instruction, on the basis of preset cutting gauge length, increase compensation length, generate updated tail cutting length;Flying shear cutting system starts cutting according to updated tail cutting length, so that actual cutting position avoids folding part of slab tail.The present application avoids flying shear blade collapse even mill broken roll accident.

Systems and techniques for customizing and installing a configuration of a user-reconfigurable metal detector. In embodiments, a user-reconfigurable metal detector system is configured to enable customization of a configuration for the user-reconfigurable metal detector and to enable installation of the customized configuration on the user-reconfigurable metal detector. In embodiments, users interact with an update system to customize the configuration of the user-reconfigurable metal detector, and to deploy or install the customized configuration onto the user-reconfigurable metal detector. In embodiments, a current configuration of the user-reconfigurable metal detector may be replaced with the new customized configuration.

The utility model discloses a multi-frequency metal detector which comprises a single-chip microcomputer master controller, a key module, a receiving module, a transmitting module, an FM module, a single-chip microcomputer programming module, an adjustable power supply module, a frequency mixing control module, a power supply module, a sound amplification module and a storage module. Wherein the transmitting module is provided with an H-bridge structure, and the H-bridge structure is connected in series with an LC to generate sine wave current potential eddy current to perform same-frequency resonance on various metals; the key module, the receiving module, the transmitting module, the FM module, the single-chip microcomputer programming module, the adjustable power supply module and the frequency mixing control module are electrically connected with the single-chip microcomputer master controller. The power supply module, the sound amplification module and the storage module are electrically connected with the frequency mixing control module. The multi-frequency metal detector provided by the utility model is stable in operation, high in efficiency, capable of generating 144 frequencies, strong in signal and high in metal detection efficiency.

A hand-held metal detector coil, including a coil housing which houses aggregate transmit windings and aggregate receive windings. The aggregate transmit windings include a major group of transmit windings that includes a first transmit winding, and the aggregate receive windings include a major group of receive windings that includes a first receive winding; the coil further includes a minor group of windings to null the aggregate receive windings with respect to the aggregate transmit windings. In an absence of external influences, a mutual inductance coupling coefficient between the aggregate receive windings and the aggregate transmit windings, kTR, is <0.03. A mean location of turns of the major group of transmit windings is further from a bottom plane of the coil housing than a mean location of turns of the major group of receive windings; the first transmit winding has at least part of their cross-sectional winding profile with a first cross-sectional axis longer than a second cross-sectional axis by at least a factor of 3; a mutual coupling constant coefficient between the major group of transmit windings and the major group of receive windings, k11, is <0.5; and a mean location of turns of the of the first transmit winding is at least 25 mm or more from a bottom plane of the coil housing.

A yarn operation control system for a doubling machine belongs to the field of doubling machine technology. The left and right movement of the clutch drive chuck enables disengagement and engagement with the clutch fixed chuck. When the clutch drive chuck moves to the right, it disengages from the clutch fixed chuck, while the clutch main pulley continues to rotate due to the internal bearing assembly. The clutch main shaft stops rotating, allowing the external main shaft power to operate without stopping, thus achieving single-spindle single-control function for the doubling machine. The yarn is stabilized through the setting of the yarn guide ring without affecting the overall tension, achieving a stabilizing effect. A metal detector detects metal objects in real time. When a metal object is detected, a control cylinder disengages the clutch drive chuck from the clutch fixed chuck. The electromagnetic suction block attracts the gravity block, and the magnetic guide block also has magnetic force. When a metal object is detected, the rear side of the magnetic guide block can attract the metal object, facilitating cleaning.

1. Name of the designed product: underground metal detector. 2. Use of the designed product: detecting underground metal substances. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: front view.

The invention discloses a wall metal detector and a wall metal detection method, and relates to the technical field of the construction industry, the wall metal detector comprises a shell, a metal detection device and a marking device, the metal detection device used for detecting metal is arranged in the shell, a marking hole is formed in the side face, attached to the wall surface, of the shell in a penetrating mode, and the marking device is arranged in the marking hole. The metal detection device is provided with a marking hole, the marking hole is adjacent to the metal detection device, a marking device is arranged in the marking hole in a penetrating mode, the marking device can move towards the wall surface and abut against the wall surface so as to mark the wall surface, and the handheld wall metal detector abuts against the wall surface and moves along the wall surface so as to mark the wall surface. According to the wall metal detector, when the metal detection device in the wall metal detector detects that metal exists in the wall and the metal detection device is closest to the metal, the marking device marks the wall surface, so that a worker does not need to carry a marking pen, and the use convenience of the wall metal detector is improved.

The utility model relates to a metal detection device which comprises a conveying table, a conveying belt is arranged on the conveying table, a metal detector body is arranged on the conveying table, and a flattening and dispersing mechanism is arranged on the conveying table. And the paving and dispersing mechanism comprises mounting seats, the two mounting seats are mounted at the top of the conveying table, and electric telescopic rods are fixedly mounted on the mounting seats. According to the metal detection device, by arranging the flattening and dispersing mechanism, when food moves towards the direction of the metal detector body on the conveying belt, the food is firstly flattened by the material distributing column; after the food is spread, the spread food continues to pass through the poke rods, the poke rods in rotation can poke the tightly attached food aside, and then the food penetrates through the poke rods through the space between the two poke rods, so that the food is prevented from being arranged tightly; and a plurality of threaded columns are arranged, so that the distance between the poke rods can be adjusted according to the size of the food, and the food can smoothly pass through the poke rods.

The application discloses a kind of bar full length production method and device, the method includes: in the upstream and downstream of bar length flying shear, obtain the distance between hot metal detector;According to the distance between hot metal detector, the pulse equivalent of rolling mill is calculated;The pulse count value of rolling mill motor encoder is collected, and according to pulse count value and pulse equivalent, the actual length of finish rolling product is calculated, and the total pulse count value of rolling mill motor encoder is predicted according to the actual length of finish rolling product;According to pulse total count value and pulse equivalent, the predicted length of finish rolling product is calculated;Obtain length and fixed length, remove length and fixed length from the predicted length of finish rolling product, obtain non-fixed length;According to non-fixed length, flying shear tail is cut in the upstream of bar length flying shear.The application can reduce the personnel investment of collection area, improve production stability and production efficiency.

This application discloses a cooling method, apparatus, electronic equipment, readable storage medium, and hot-rolled steel strip production system for a laminar flow cooling roller conveyor, applicable to the field of metallurgical technology. The method includes acquiring temperature detection values ​​from hot metal detectors deployed at the inlet and outlet of the finishing mill. When the first and second temperature detection values ​​first meet the condition of no steel strip in the laminar flow cooling zone, a cooling water delivery command is sent to the laminar flow cooling water system according to a preset unit cooling time to cool the laminar flow cooling roller conveyor. When the first and second temperature detection values ​​again meet the condition of no steel strip in the laminar flow cooling zone, and the current time reaches a preset cooling interval, a cooling water delivery command is sent. This application overcomes the shortcomings of related technologies that cannot guarantee the cooling of the entire cooling roller conveyor, enabling precise control of the laminar flow cooling roller conveyor for cooling.

A metal detector comprises a coupling (20), an extension member (30) extending away from the coupling, and a mount (60) attached to a distal end of the extension member. The mount is configured to receive at least one search coil (50). The mount is configured to rotate the at least one search coil in a respective circular path about an axis of rotation and / or to move the at least one search coil along a combined first arced path and a second arced path.

1. The name of the design product: children's underground metal detector. 2. The use of the design product: children detect underground metal, for entertainment, popular science education activities, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

The invention discloses automatic constant-temperature reciprocating rolling equipment and process for a titanium alloy bar cogging mill, and belongs to the technical field of steelmaking continuous casting and rolling. The equipment comprises two rotatable movable metal detector devices, a feeding induction heating system and a discharging induction heating system, wherein the two rotatable moving type metal detector devices are oppositely arranged on the left side and the right side of a roller respectively, the feeding induction heating system is arranged on the front side of the feeding conveying roller way, and the discharging induction heating system is arranged on the front side of the discharging conveying roller way. By means of the rotatable movable metal detector device, the detection precision is improved, the device adapts to the production rhythm of a cogging mill, the steel throwing position can be controlled to be close to a roller as far as possible, the rolling efficiency is improved, the titanium blank temperature loss in the rolling process is reduced, and meanwhile the manual operation risk is reduced. In addition, the situation that the temperature of the head and the tail of the blank is not uniform is improved through the induction heating system, and therefore the temperature is kept constant in the whole rolling process.

The marine underwater metal positioning gauge rod comprises a rod body and a dragging rope fixedly connected with the upper end of the rod body, the upper portion of the rod body is provided with a driving bin and a power source bin, the outer side of the rod body is fixedly connected with a sonar component which is connected with the power source bin and used for detecting the terrain, and the rod body is provided with a sliding groove. The sliding groove is slidably connected with a lifting rod axially provided with a threaded hole, a lead screw motor is fixedly arranged in an inner cavity of the driving bin, the output end of the lead screw motor is connected with a lead screw, the lead screw extends into the sliding groove and is in threaded connection with the threaded hole, and the lower end of the lifting rod is connected with a swing component and a metal detector connected with the swing component. According to the utility model, the underwater simulated terrain monitoring of the metal detector can be realized, the metal detection positioning is more accurate, the metal detection efficiency is improved, the damage to the metal detector caused by underwater reefs and large topographic relief can be prevented, the underwater detection range of the metal detector can be conveniently adjusted, and the underwater metal detection effect is improved while the detection omission is prevented.

The utility model belongs to the technical field of package detection, and particularly relates to a metal detector for Fotiaoqiang wall packaging, which comprises a feeding assembly capable of leading a to-be-detected package into and out of the metal detector, and a loading assembly capable of continuously and comprehensively detecting the to-be-detected package is arranged above the feeding assembly. A material blocking assembly capable of limiting the moving range of the packages is arranged in the material carrying assembly, and a detection assembly capable of removing the packages when metal components in the packages are detected is arranged on one side of the material carrying assembly. According to the utility model, the material loading pieces are arranged on the rotary table at equal intervals, so that the material loading pieces can be matched with the material blocking assembly, the to-be-detected packages continuously falling on the rotary table are driven to move towards the detection assembly one by one to be detected without shutdown, and in addition, when a transmission gear is in contact with a rack, the rotary table loaded with the to-be-detected packages is driven to move towards the detection assembly one by one to be detected; the rotary table can rotate together with the to-be-detected package along with the rotary table, and can drive the to-be-detected package to rotate around the axis of the rotary table, so that the comprehensive degree of package detection is improved.

Systems and techniques for reconfiguring a metal detector. In embodiments, the metal detector includes a current product profile with a first set of features selected from a set of available features. The current product profile facilitates a first classification of metal detecting operations. In embodiments, a request to reconfigure the metal detector and modify the current product profile based on the request is received. The modification results in a modified product profile that facilitates a second classification of metal detecting operations of the metal detector. The reconfiguration of the metal detector is performed without replacing hardware components of the metal detector. The reconfiguration allows for the metal detector to be upgraded, downgraded, or modified to suit different user requirements or applications.

The utility model relates to the field of mining, and discloses a pre-mining ore resource surveying device for mining, which comprises a base, the top end of one side of the base is fixedly connected with a handrail, the top end of the base is provided with a driving mechanism, the top of the driving mechanism is provided with a driving crank, the end part of the driving crank is hinged with a connecting rod, and the connecting rod is connected with the handrail. A metal detector is fixedly connected to the outer end of the connecting rod, a rounded rectangular through groove is formed in the inner side of the driving crank, the driving crank is movably connected with the driving mechanism through the through groove, and adjusting mechanisms connected with the driving crank are arranged on the two sides of the base. According to the utility model, through the arrangement of the base, the driving mechanism, the driving crank and the metal detector, the device can drive the metal detector to generate reciprocating swing with corresponding radian through the driving mechanism so as to simulate the waving of an arm, so that the detection area can be increased, and meanwhile, the arm ache cannot be caused after the device is used for a long time. The detection efficiency is improved.

This utility model relates to the field of extrusion device technology, specifically to a precise temperature-controlled thermoplastic elastomer production extrusion device, including an extruder body with a feed inlet and a discharge channel. An outer cover is fixedly connected to the discharge channel. The outer cover contains a screening component for screening for metal foreign objects in the material. The screening component includes a receiving box located inside the outer cover, with a movable frame slidably connected to the receiving box. This utility model uses the screening component to allow material from the feed hopper to enter the receiving box. A motor-driven metal detector then screens and checks the material in the receiving box for metal foreign objects. If no foreign objects are found, a cam divider rotates the receiving box, discharging the material into the extruder body. If foreign objects are found, a drive component pushes the outer cover, separating the discharge channel from the feed inlet, thus facilitating the discharge of material containing foreign objects.

1. The name of this design product: Metal Detector. 2. Purpose of this design product: This design product is used as an alarm device for detecting metal objects. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

This utility model discloses a photosensitive drum counting device, comprising: a flat-panel metal detector, a column disposed on one side of the flat-panel metal detector, and a main control device disposed on the top of the column and electrically connected to the flat-panel metal detector; the flat-panel metal detector is used to sense the copper electrode plates on the top of each photosensitive drum in the packaging box and outputs an induced voltage corresponding to the number of copper electrode plates; the main control device calculates the number of copper electrode plates based on the induced voltage, and thus determines the number of photosensitive drums in the packaging box. This photosensitive drum counting device can automatically count the number of photosensitive drums in a single packaging box and can issue an alarm when there are fewer or more photosensitive drums than required, avoiding situations where there are fewer or more photosensitive drums in the shipped packaging boxes. It solves the problem of inaccurate product quantity per box caused by manual counting and weighing differences, reduces manual labor intensity, and improves the automation level of the production line.