313 results about "Metal detectors" patented technology

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.

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 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 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 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.

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.

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.

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.

The utility model discloses a security check service robot, which comprises a movable chassis, a height adjusting module arranged at the top of the movable chassis, a mechanical arm arranged on the height adjusting module, a connecting module connected between the height adjusting module and the mechanical arm, and a metal detector arranged at the execution tail end of the mechanical arm, the visual inspection module is used for capturing a security inspection process image; the height adjusting module is used for driving the mechanical arm through the connecting module to drive the metal detector to ascend and descend so as to adjust the height. And the visual inspection module is used for collecting an image in a security inspection process, so that the mobile chassis, the height adjustment module and the mechanical arm act in a coordinated manner. According to the utility model, the action of a security inspector during manual security inspection can be simulated, so that the operation that the security inspection is carried out by manually holding a metal detector is replaced, a person to be inspected can be flexibly, safely and rapidly scanned, the labor cost and the working intensity of the security inspector are reduced, and the privacy protection of the person to be inspected is enhanced.

This invention relates to the field of quality inspection technology for recycled resources, specifically disclosing a quality inspection algorithm for recycled resources. The algorithm includes the following steps: retrieving historical data stored in a metal detector through a data recording unit; combining the historical data retrieved by the data recording unit with the operational status data during the standby process of the metal detector; analyzing whether there are any abnormalities in the current operational status of the metal detector; and reflecting whether there are any abnormalities in the current state of the metal detector, i.e., whether there will be a problem of reduced detection accuracy when performing quality inspection work under the current state of the metal detector. When it is determined that quality inspection work for recycled resources can be carried out, the composition of different scrap metals is analyzed by the metal detector, thereby ensuring the detection accuracy of the metal detector and further improving the accuracy of the quality inspection results.

The invention relates to a metal detector for detecting at least one metal target in a detection area, the detector including: · at least one receiving coil arranged to detect a magnetic field originating from the detection area and to generate a signal corresponding to the magnetic field, referred to as "detection signal"; and · a detection unit (24) including: - a filtering module (28) arranged to receive the detection signal as input and to filter this signal according to at least first and second filtering configurations, the second filtering configuration having a shorter temporal support than the first filtering configuration; and - a control module arranged to control the filtering module (28) on the basis of at least one data item contained in the detection signal and providing information on the presence of a metal object.

The utility model relates to a sewage treatment process control simulation system which comprises an LED display screen, an upper computer, a liquid level control module, a monitoring module and a purification treatment mechanism. The liquid level control module is composed of a liquid level device I, a liquid level device II, a liquid level device III, a controller I, a controller II, a controller III, an electric valve I, an electric valve II and an electric valve III, and the monitoring module comprises a metal detector I, a metal detector II and a metal detector III. The purification treatment mechanism comprises a first-stage purification module, a second-stage purification module and a third-stage purification module. According to the utility model, the independent liquid level control module, the monitoring module and the purification treatment mechanism are arranged, the metal ion concentration before and after purification treatment under the condition of different sewage contents in each stage of treatment pond is extracted, a relation model of metal ions in sewage with different contents and treatment efficiency is established, and the sewage purification treatment duration is predicted in real time; and the digitization level is obviously improved.

The utility model relates to the technical field of mine sweeping equipment accessories, in particular to a marking structure based on a mine sweeping robot. A driving mechanism is assembled on the inner side of the machine body and comprises a rotating seat, a supporting arm, a first hydraulic rod, a first motor and a first guide rail frame, one end of the top of the machine body is rotationally connected with the rotating seat, the first motor is fixed on the inner side of the machine body, and the output end of the first motor penetrates through the top of the machine body to be fixed to the rotating seat. According to the utility model, through the structural design of the driving mechanism, the taking mechanism and the conveying mechanism, after a metal detector finds a mine clearance point, the device can quickly lift the mark block storage box to a rectangular opening, so that a clamping jaw can conveniently take a warning mark block and place the warning mark block at the mine clearance point; the mine clearing points of the whole anti-infantry mine field can be marked in a concentrated mode conveniently, rolling and concentrated sweeping can be achieved in cooperation with a crawler-type vehicle, a road roller and the like, the overall working efficiency of mine sweeping and clearing is improved, and use is facilitated.

The labor-saving grip of the metal detector comprises a grip module, the grip module comprises a first sleeve arranged at the lower end of the outer surface of a supporting rod of the metal detector in a sleeved mode, a grip frame is fixed to one side of the outer surface of the first sleeve, a movable frame is connected to the upper portion of one side of the grip frame in a threaded mode, and a movable block is movably arranged in the middle of the movable frame. The upper end of the movable block is in threaded connection with an arc-shaped bracket and is attached to the arm of the human body, and movable wheels are arranged below the grip frame and are in rolling contact with the ground; the grip module further comprises a second sleeve sleeving the lower end of the outer surface of the metal detector supporting rod, a first supporting column is fixed to one side of the outer surface of the second sleeve, a second supporting column penetrates through one end of the first supporting column, a supporting block is arranged at the lower end of the second supporting column, and the lower end of the supporting block is fixed to the upper end of the movable pipe. Compared with an original single anti-skid sleeve grip structure, more labor is saved, convenience and rapidness are achieved, the requirements are met, and the using effect and efficiency are improved.

The utility model relates to a kind of impurity on-line detection mechanism for rubber production, including bottom plate;Roller and unwinding roller are respectively provided on the left and right sides of the upper surface of the bottom plate;The upper surface of the bottom plate is vertically installed with a support plate, two transmission rollers are rotatably connected in the inside of the support plate by bearing, two the transmission roller is arranged in interval from top to bottom, so that the rubber on unwinding roller is sequentially wound around two transmission rollers from bottom to top and is connected with roller;A support frame is installed on the top of the support plate.The impurity on-line detection mechanism for rubber production, by the setting of two transmission rollers interval from top to bottom and located in the same ZY surface, makes rubber material belt keep linear motion in transmission process, overcome the problem that rubber is easily bent and deformed when being transmitted in transmission belt device due to elasticity, avoid rubber partial position overlapping, provide good conditions for comprehensive detection of metal detector, greatly reduce the situation of impurity missed detection.

The invention discloses a greenhouse cotton quilt position control method based on metal detection, relates to the technical field of greenhouse curtain rolling and unrolling automatic control, solves the technical problems of inaccurate positioning and frequent maintenance in the existing technical scheme, and comprises the following steps: 1, fixedly installing at least one metal marker in a greenhouse cotton quilt; 2, at least one metal detector is installed at a preset control point of a cotton quilt winding and unwinding path, the control point at least comprises an uplink detection point and a downlink detection point, and the control logic of reference point real-time calibration is adopted. In each descending process, when the cotton quilt runs to a descending detection point, the controller can utilize a metal detection signal to reset position data. Accumulated errors caused by factors such as cotton quilt stretching, slipping and rolling diameter change are eliminated, and it is ensured that the cotton quilt can be accurately stopped at a preset final position every time.

The utility model discloses a food metal detector, including mounting rack, conveyer belt, protection support and detection device, the both sides of mounting rack outer wall are fixedly provided with fixed plate, the inside of fixed plate is rotatingly provided with screw, the upper part of screw outer wall is in threaded connection with threaded cylinder, and the threaded cylinder is in threaded connection with the screw. And the threaded cylinder is fixedly installed at the bottom of the protection support, a double-head motor is fixedly arranged at the bottom of the installation frame, the two output ends of the double-head motor are both connected with rotating shafts, a driving wheel is fixedly arranged at one end of each rotating shaft, and a driven wheel is meshed with one side of each driving wheel. The food metal detector relates to the technical field of metal detectors, the screw rod and the threaded cylinder are arranged between the mounting rack and the protection support, and under the driving of the double-head motor, the lifting control of the protection support is realized, so that the overall trafficability of the food metal detector is improved, and the safety of the food metal detector is improved. Meanwhile, the phenomenon that signals are weak when small food passes through the detector is avoided.

1. The name of the design product: hanging line rack (square tube). 2. The use of the design product: for hanging line, specifically for hanging the cable of the metal detector. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The utility model relates to foreign matter detection equipment for dried longan production, which comprises a frame and a first conveyor belt mounted on the frame, a push plate and a slide plate are respectively arranged on two opposite sides of the first conveyor belt, a metal detector positioned right above the first conveyor belt is arranged between the push plate and the slide plate, a second conveyor belt is arranged below the slide plate, and the second conveyor belt is arranged below the slide plate. A plurality of collecting boxes distributed at equal intervals are placed on the second conveying belt, one collecting box is located under the end, away from the first conveying belt, of the sliding plate, a driving unit used for driving the push plate to move in the direction close to or away from the sliding plate is arranged on the rack, and a controller is arranged in the rack. The first conveying belt, the second conveying belt, the metal detector and the driving unit are all electrically connected with the controller; when the metal detector detects that dried longans on the first conveyor belt contain metal foreign matters, the push plate pushes the dried longans containing the metal foreign matters into the collection box, so that the stop time of the first conveyor belt is shortened, and the metal detection efficiency is further improved.