331 results about "Photoswitch" patented technology

The invention relates to the technical field of industrial automation control, and particularly discloses a rotating speed detection and closed-loop control system based on photoelectric sensing and a PLC, and the system comprises at least one rotating body which is a rotating speed controlled object, and the surface of the rotating body is provided with a configurable number of reflection mark areas or speed measurement holes; the proximity photoelectric switches are in one-to-one correspondence with the rotating bodies, are aligned with the reflection mark areas or the speed measurement holes, and are used for detecting rotation information of the rotating bodies and generating original pulse signals; a high-speed counter input port of the PLC is electrically connected with signal output ends of the proximity photoelectric switches, and a pulse preprocessing module, a rotating speed calculation module, a deviation processing module, a control algorithm module and a signal adaptation module are arranged in the PLC. The PLC and the proximity photoelectric switch which are widely applied in the industrial field and high in popularity rate are adopted as core technical components, and expensive special servo controllers, encoders and other devices are not needed, so that the hardware purchase cost of the system is greatly reduced.

The embodiment of the invention provides a real-time collection method and system for welding heat input, and the method comprises the steps: sensing the displacement movement of a welding gun or a welding wire through a diffuse reflection photoelectric switch array installed on the surface of a pipeline, and generating a corresponding pulse trigger signal; current data and voltage data of a welding loop are sensed through a Hall sensing system, and corresponding analog electric signals are generated; synchronously acquiring the pulse trigger signal and the analog electric signal through a multi-channel data acquisition device, and converting the analog electric signal into a digital signal with a timestamp; real-time welding speed data are calculated according to the time sequence of the pulse trigger signals and the preset space geometrical relation of the diffuse reflection optoelectronic switches; performing multi-stage filtering processing on the current data and the voltage data; a unified timestamp is determined, and time sequence matching is conducted on the filtered current data, the filtered voltage data and the filtered welding speed data based on the unified timestamp; and calculating to obtain a welding heat input value.

The invention relates to the technical field of wind power gear forging, in particular to forging equipment for wind power gear forgings and a forging method of the forging equipment. A protective vertical plate is fixed to the corner of the top of the base, a top plate is installed at the top of the protective vertical plate, and a forging hydraulic machine is installed at the middle end of the top plate. Wherein the forging platform is located at the top of the base; wherein the number of the overturning bases is two, the two overturning bases are installed at the two ends of the top of the forging platform, and guide grooves are formed in the upper ends of the overturning bases. By means of the arrangement of the overturning base, manual near-field operation is replaced, safety risks caused by high-temperature and heavy forgings are completely eradicated, safe interlocking is formed by the groove type photoelectric switch and the Z-shaped shielding piece, it is ensured that the action is accurate and reliable, the overturning time is shortened to be the shortest, a high-temperature forging window of the forgings is fully utilized, and the heating frequency is reduced.

The invention provides a non-contact shadowless lamp self-adjustment control method and system based on infrared induction, and relates to the technical field of shadowless lamp control, and the method comprises the steps: arranging a reflective infrared photoelectric switch to a predetermined entrance and exit position of a target space, and carrying out the dynamic monitoring to obtain a first monitoring result; if the first preset constraint is met, activating a pyroelectric human body infrared sensor to track and monitor the first moving target to obtain a first tracking result; if the second preset constraint is met, performing statistics to obtain a first target total number; taking the first target total number as a lighting judgment basis to obtain a self-adjusting control instruction, and calling a non-contact control mechanism; and performing self-adjustment control on the target shadowless lamp. The technical problems that in the prior art, a shadowless lamp usually depends on a manually set static mode, dynamic adjustment is difficult to achieve according to changes in an actual scene, the flexibility and adaptability of illumination are affected, and then the illumination effect is not ideal are solved.

The invention relates to an anti-collision automatic iron oxide powder blowing device. The device comprises an anti-collision device, a lining plate, a hoisting hole, a device fixing bolt, an air pipe fixing pipe clamp, an electric control valve, a bypass hand valve, a spraying beam pipeline, an air blowing nozzle, a photoelectric switch and the like. The anti-collision unit is a push-pull type pickling unit, has single uncoiling and single coiling, multiple steel grades, high strength, large thickness and poor head and tail plate shapes, and can cause damage to a spray beam nozzle, so that an anti-collision design needs to be added. Wherein the iron oxide powder is a hot-rolled pickled plate (coil) oxide scale which is not uniform, a large amount of crushed iron oxide powder falls off from the surface of the strip steel after the scale is broken by a crease-resistant roller, the iron oxide powder is adhered to the roller surface of a straightening machine to generate surface indentations when passing through the straightening machine, the surface quality defect of the strip steel is caused, the waste reduction of a unit is increased, and the production cost is reduced. Product quality is affected, and dissatisfaction of customers is caused. By designing the anti-collision automatic iron oxide powder purging device, strip steel threading is automatically started through signal purging of the photoelectric switch, broken iron oxide powder falls off from the surface of the strip steel in time, cleanliness of the roller surface of a straightening machine is guaranteed, the indentation defect generated due to the fact that the iron oxide powder adheres to the roller surface of the straightening machine is eliminated, the product quality is improved, and the production efficiency is improved. And the requirements of customers are met.

The utility model relates to the technical field of feeding crown blocks, in particular to an electrolytic bath feeding device capable of reducing raised dust, which comprises a crown block and a storage bin positioned above the crown block, a crown block stock bin is fixedly connected to the crown block, a crown block stock bin inlet is formed in the top of the crown block stock bin, and a storage bin discharging pipe is arranged at the bottom of the storage bin; an inlet of the crown block stock bin is fixedly connected with the bottom end of a discharging cloth bag, the top end of the discharging cloth bag is fixedly connected with a hard ring, and the hard ring is fixedly connected with an air cylinder used for driving the hard ring to ascend and descend. The cylinder is connected with an electromagnetic valve for controlling the cylinder to extend and retract through an air pipe, the bottom end of the storage bin is fixedly connected with a photoelectric switch emitter, the top end of the crown block bin is fixedly connected with a photoelectric switch receiver, and the photoelectric switch receiver is electrically connected with the electromagnetic valve; when the crown block stock bin receives materials, the discharging cloth bag can be lifted and sleeved on the outer side of the discharging pipe of the storage bin, so that raised dust can be reduced, material waste can be reduced, and environmental pollution in a workshop can be reduced.

The invention relates to a tunnel secondary lining concrete filling state real-time monitoring system which is characterized in that a secondary lining cavity is defined by a secondary lining template in a tunnel, the system comprises a sensor array located in the secondary lining cavity, the sensor array comprises a plurality of rows of optoelectronic switches distributed in the extending direction of the tunnel, and the optoelectronic switches in the same row are distributed in the circumferential direction of the tunnel; the signal processing and acquisition unit is responsible for supplying power to the photoelectric switch and converting the received signal of the photoelectric switch into a signal displayed by a display; and the data processing and displaying unit is responsible for displaying the signals transmitted by the signal processing and collecting unit on a reality device. The invention aims to provide the tunnel secondary lining concrete filling state real-time monitoring system capable of acquiring the cavity in real time, and the problem that the existing cavity can only be acquired afterwards is solved.

The invention relates to the technical field of automatic packaging systems, in particular to an automatic packaging line weighing system which comprises at least one pair of photoelectric switches, a weighing device, a sorting device and a distributed control system. The photoelectric switch is used for detecting whether the product package enters or leaves the weighing area; the weighing device is used for weighing the weight of a product package; the sorting device is used for removing overweight or ultralight product packages; the distributed control system communicates with the photoelectric switch and the weighing device, and receives and processes the weight information of the product package; and the distributed control system is provided with a normal range of the weight of the product package and is used for comparing the actual weight of the product package with the normal range and executing operation based on a comparison result. The operation efficiency and the weighing precision of the automatic packaging line can be improved, and it is ensured that the product packaging weight meets the standard.

The utility model provides an electric control device of a metal film-coated plate, which comprises a device shell, a reflection type photoelectric switch assembly is arranged at the bottom of the device shell, and the reflection type photoelectric switch assembly comprises a reflection type photoelectric switch plate and photoelectric switches which are arranged on two sides above the photoelectric switch plate in an array mode. Every two oppositely arranged photoelectric switches form a switch control reflection element, one photoelectric switch is used for transmitting a photoelectric signal, and the other photoelectric switch is used for receiving a reflection electric signal of an operator; a reflection type photoelectric switch board is arranged on the device shell, a structure layer board is arranged above the reflection type photoelectric switch board, two ends of the structure layer board are fixedly connected with two sides of the inner wall of the device shell, a plurality of hollow holes are arranged on the structure layer board, and the hollow holes are in one-to-one correspondence with the switch control reflection elements. An operator can start a control program of the electric control device in a contact or non-contact mode only by moving fingers to the position above the electric control device.

The utility model provides DAPI diluent cover glass stripping equipment, and belongs to the technical field of stripping equipment. Comprising a stripping box; the object containing groove is formed in the stripping box, the object containing groove is matched with the cover glass, and the object containing groove is used for containing the cover glass which is not stripped; the lower pressing plate is connected into the stripping box in a sliding mode, the lower pressing plate is located over the containing groove, the lower pressing plate is matched with the containing groove, and the lower pressing plate is used for pressing the unstripped cover glass downwards. According to the automatic stripping device for the cover glass, the purpose of automatically stripping the cover glass is achieved through the cooperation of the lower pressing plate, the spring, the storage groove, the push plate and the push rod, and the purposes of accurately detecting the number of the cover glass, orderly storing and conveniently discharging the cover glass are achieved through the cooperation of the reflector, the photoelectric switch, the lifting frame, the material pushing plate, the connecting block, the first threaded rod and other structures.

1. Name of the product in this design: Photoelectric switch (PX). 2. Application of this design: This design is used for switches. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The utility model relates to the technical field of slitting machines, in particular to a protective device for a slitting machine cutter table, the slitting machine cutter table comprises a machine base and two slitting rollers arranged on the machine base in a synchronous rotation mode, and the protective device comprises a first fixing plate, a second fixing plate, a protective plate and a photoelectric switch. The first fixing plate, the second fixing plate and the photoelectric switch are fixedly arranged on the machine base, the protection plate is detachably arranged between the first fixing plate and the second fixing plate and located on the inlet sides of the two slitting rollers, and the photoelectric switch is located on the inlet sides of the two slitting rollers and located below the protection plate. The protective device for the cutter table of the slitting machine is simple in structure and convenient to operate, a worker is blocked through the protective plate, and once the photoelectric switch detects the position of the worker, the two slitting rollers stop rotating, so that the worker cannot stand on the inlet side to wipe a cutter head, and the working efficiency is improved. And fingers or arms of a worker are effectively prevented from being rolled into the cutter head from the inlet sides of the two slitting rollers.

The invention discloses a case anti-disassembly data protection device, and relates to the technical field of case anti-disassembly, and the device comprises a first protection assembly which comprises a groove-type correlation photoelectric sensor, and the groove-type correlation photoelectric sensor is arranged on a carrier plate and is used for triggering a first protection action when an upper cover of a case is detected to be opened; and the second protection assembly comprises a shielding case fixed on the carrier plate, a patch reflection type photoelectric switch and a data processor which are fixed on the carrier plate are arranged in the shielding case, and the second protection assembly is used for triggering a second protection action when detecting that the shielding case is opened. The technical problems that in the prior art, an anti-dismantling device is prone to being affected by vibration and a strong magnetic environment and lacks a protection design for coping with violent forcible entry, and consequently the anti-dismantling reliability and safety of the case are low are solved, and comprehensive monitoring of conventional opening and violent forcible entry of the case is achieved; and the technical effect of improving the safety and reliability of the key data of the case in various scenes is achieved.

This utility model discloses a conveyor belt packaging purging device, including an air tank, a pulse valve, a photoelectric switch, a purging pipeline, and a manual ball valve. The air tank is fixed to the side of the conveyor belt frame, and its outlet is connected to the pulse valve and the manual ball valve in sequence via flanges. The purging pipeline consists of two parallel annular sections mounted above the conveyor belt inlet, allowing for purging of both the top and bottom surfaces of the packaging. Its inlet end is connected to the outlet of the manual ball valve, and a directional, inclined nozzle array is welded to the bottom of the pipeline. The photoelectric switch is mounted 1m upstream of the starting end of the purging pipeline via an adjustable bracket, and its signal line is connected to the control end of the pulse valve. This utility model uses the air tank to stabilize and store compressed air, and in conjunction with the instantaneous opening of the pulse valve triggered by the photoelectric switch, ensures that the airflow is directionally sprayed only when the packaging passes through. This working mode reduces air consumption to one-third of that used for continuous purging, improving energy efficiency and avoiding interference from ineffective airflow on the conveyor belt environment.

The application belongs to the technical field of spectral detection, and particularly relates to a light-weight LIBS online detection device and method with automatic focusing, wherein the device sequentially comprises a photoelectric switch, a pre-detection system, a controller, a delay timer, a pulse laser, a mirror, a zoom unit, an ellipsoidal mirror, a displacement adjustment platform, a transmission window sheet, a fiber coupling unit, a spectrometer and a signal strength detector according to a control logic and an optical propagation path. The application can easily realize zooming through the synchronous movement of the ellipsoidal mirror and the fiber coupling unit driven by the zoom lens and the displacement adjustment platform, can adapt to objects with different heights and shapes, solves the problem of large movement load in the zooming process, realizes light weight, and can judge the focusing range in advance through the telecentric lens imaging pre-detection system, so that the detection analysis efficiency is improved.

This utility model relates to the technical field of ice makers and related equipment, and discloses a photoelectric motor stroke controller, including a motor, a stroke controller body, a first housing, a second housing, a PCB board, photoelectric switches S1 and S2, limit switches K1 and K2. This photoelectric motor stroke controller integrates the dual protection functions of photoelectric switch position detection and limit switch stroke limitation, making the system safer and more reliable. It effectively avoids permanent damage to the ice maker caused by motor control system failure. The integrated design of the motor and stroke control facilitates installation, improves overall assembly efficiency, and reduces installation complexity. Using photoelectric switches instead of traditional mechanical switches extends the lifespan of the photoelectric switches, reducing maintenance costs and replacement frequency. The simplified mechanical structure lowers production costs and enhances the product's market competitiveness.

The invention relates to a crystal mark printer. The crystal mark printer comprises a negative pressure printing platform, a printing trolley, a film covering system, an A film cloth collecting device, a B film cloth releasing roller, a crystal mark cloth collecting device, a release paper cloth releasing device, an A film stripping roller and a rack. An anti-collision assembly is arranged on one side of the printing trolley. The anti-collision assembly comprises a collision plate, an excitation plate, a mounting box body, a retraction spring and a photoelectric switch; the back of the mounting box is connected with the printing trolley; two sides of the upper end of the collision plate are rotationally connected with the side lower end of the mounting box; the excitation plate is mounted at the top of the striking plate; the upper end of the striking plate is matched with the photoelectric switch; the upper end of the retraction spring is connected with the upper end of the mounting box body; the gap between the lower end of the collision plate and the top surface of the negative pressure printing platform can be controlled within a smaller range, so that the anti-collision assembly reacts to smaller wrinkles or foreign matters, and the sensitivity is higher; the excitation plate synchronously swings along with the collision plate, electric signals are directly generated by staggering the photoelectric switch, and the reaction speed is higher.

This invention relates to a torsion testing device for ultra-fine metal wires, comprising a base with at least three sets of clamps for tensioning the metal wire. The clamps include a rotating clamp mounted on the right side of the base and rotating thereon, and a movable clamp positioned at a distance from the rotating clamp and moving when the metal wire breaks due to torsion. The two ends of the metal wire to be tested are fixed between the rotating clamp and the movable clamp, respectively. An encoder is mounted on the rotating clamp to record the number of torsion rotations of the metal wire when it breaks while simultaneously rotating with the clamp. A photoelectric switch on the base controls the encoder to stop counting the torsion rotations of the metal wire. This invention fixes the metal wire to be tested between the rotating clamp and the movable clamp, allowing for the testing of multiple metal wires. The encoder records the number of torsion rotations of the metal wire when it breaks while simultaneously rotating with the clamp and displays this information visually on a human-machine interface. The rotation speed can be arbitrarily set, meeting the testing requirements for metal wires with a diameter of 0.1 mm.

The utility model discloses a pneumatic clamping conveyor which comprises a base and a conveying track, supporting steel plates are arranged on the two sides of the base, a guide rail is arranged on the supporting steel plates, a sliding block is installed on the guide rail, a first supporting folded plate is connected to the sliding block, and a first positioning air cylinder, a suction cup air cylinder and a first correlation photoelectric switch are arranged on the first supporting folded plate. A vacuum chuck is arranged at the end part of the chuck cylinder; a second supporting folded plate is arranged on the supporting steel plate, and a second positioning air cylinder and a second correlation photoelectric switch are arranged on the second supporting folded plate; one end of the guide rail is provided with a box-stacking reflection photoelectric switch, and one end of the base is provided with a box-discharging reflection photoelectric switch. Compared with the prior art, the carton conveying device has the advantages that the motor, the conveying track, the pneumatic unit group and the photoelectric sensor group are matched to work, so that cartons are stably and orderly conveyed; the cartons can be packed in two ways in order at equal intervals; the conveyor has the functions of preventing accumulation and automatically detecting and stopping operation.

The invention discloses an aerial passenger device follow-up system based on real-time coordinate tracking and a control method of the aerial passenger device follow-up system. The system comprises a light reflecting plate, a photoelectric switch, a servo motor, a driving assembly, a follow-up platform, a state sensor and a control module. Wherein after the hanging seat enters a monitoring area of the photoelectric switch, the photoelectric switch and the reflecting plate act synergistically to monitor the real-time coordinates of the hanging seat; the driving assembly is used for driving the follow-up platform to do linear motion under the driving of the servo motor; the state sensor is used for monitoring the actual operation state of the follow-up platform; and the control module is used for generating a motion control signal of the follow-up platform through a dynamic synchronization algorithm, and controlling the follow-up platform to be consistent with the hanging seat in speed and relative position when moving to the target position according to the motion control signal. According to the system, the position of the hanging seat is captured in real time through the photoelectric detection technology, the servo driving system controls the follow-up platform and the hanging seat to keep relatively static, and a safe and stable hanging seat getting-on and getting-off environment is provided for personnel.

The invention provides a non-contact coal conveying belt offset detection alarm system, which relates to the technical field of coal conveying belts and comprises a data acquisition module I, a data acquisition module II, an offset analysis module and an offset response module. Non-contact detection of the coal conveying belt is achieved, abrasion of the belt caused by contact detection is avoided, the service life of the belt is prolonged, the coal stacking state and the belt edge physical offset can be reflected at the same time through multi-dimensional collection of image data and optoelectronic switch signals, and compared with single sensor detection, detection is more comprehensive, and the detection accuracy is improved. The offset analysis module not only analyzes the current operation state, but also predicts the state of the next period, so that the system has perspectiveness, the offset response module executes different levels of response strategies based on analysis and prediction results, corresponding measures can be taken according to the offset severity and trend, the limitation of a single response mode is avoided, and the system is more efficient. And the problems of material scattering and equipment abrasion are effectively reduced.

The utility model relates to the technical field of plug tray conveying, and discloses a raw material seedling chain type conveying mechanism which comprises supporting frames and a chain wheel and chain mechanism arranged between the supporting frames, a power box is arranged on one side of the chain wheel and chain mechanism, and a plurality of material pushing rods are arranged on the chain wheel and chain mechanism and located between every two chains. A supporting plate is fixedly arranged on the supporting frame, and the material pushing rod is driven by the chain to push the raw material seedling hole tray located on the supporting plate to move in the length direction of the supporting plate; positioning photoelectric switches are symmetrically arranged on the side edges of the supporting frame and used for being matched with the power box to control the chain wheel and chain mechanism to drive the material pushing rod to push raw material seedling hole trays to be fed in a clearance mode. According to the utility model, the arranged chain is matched with the plug chain type conveying mechanism of the material pushing rod, so that the stable and accurate conveying of the raw material seedling plug can be ensured, and the full-automatic seedling taking clamping jaw assembly can be conveniently matched to accurately clamp and take seedlings.

The application discloses an automatic folding and sealing box machine photoelectric detection device and method and the automatic folding and sealing box machine, and belongs to the technical field of automatic packaging and transportation. The device comprises a conveying line, a pair of photoelectric switches and a mounting bracket. The pair of photoelectric switches comprises a transmitting end and a receiving end, and the transmitting end and the receiving end are arranged on the two sides of the conveying line. The transmitting end is used for transmitting a detection light beam, and the receiving end is used for receiving the detection light beam in a non-contact manner and outputting a detection signal when the light beam is interrupted. The mounting bracket is used for fixing the transmitting end and the receiving end. The application does not need the direct collision between materials and detection components, avoids the mechanical damage to the box body, eliminates the problems of the wear, fracture and contact fatigue oxidation of a traditional travel switch contact rod, greatly improves the service life of the detection device, and reduces the equipment maintenance frequency and maintenance cost.

This utility model discloses a kilogram weight verification and protection device, belonging to the field of weight verification and protection technology. It includes a protective frame and electrically operated sliding doors. The protective frame has a C-shaped structure and is mounted on a base. Two sets of electrically operated sliding doors are slidably arranged inside the protective frame, and the two sets of doors are staggered. When the two sets of doors slide to the leftmost and rightmost positions of the protective frame respectively, the protective frame and the two sets of doors form a closed structure covering the base. Photoelectric switches are respectively provided on the left and right sides of the protective frame to detect the position of the electrically operated doors. This utility model has a high degree of automation, requires little space, and facilitates the handling of weights.

The invention discloses an electromagnetic valve performance testing device, which belongs to the technical field of electromagnetic valve testing and comprises a base and a pilot coil, a main frame is arranged on the surface of the base, a conveying belt is arranged in the main frame, a guide wheel is arranged at one end in the conveying belt, and a driving wheel is arranged in the other end of the conveying belt. An electrical performance test assembly and a magnetic performance test assembly are oppositely arranged on the outer side wall of one end, close to the guide wheel, of the main frame, and a photoelectric switch fixed by a support is arranged above the main frame. The magnetic performance testing assembly is arranged, a magnetic field is directly measured through the Faraday effect, interference of a traditional contact type probe is fundamentally eradicated, synchronization of testing and control is achieved through cooperative use of the polarization splitting prism and the photoelectric switch, scanning motion can be converted into heat dissipation power through the heat dissipation air inlet channel, and the heat dissipation effect is improved. The stability of long-time work is guaranteed in a zero power consumption mode, and the energy consumption and maintenance requirements are remarkably reduced while the data accuracy and reliability are improved.

The utility model discloses an empty liquid prompting device for infusion, and relates to the technical field of medical instruments. The device comprises a liquid dropping bin, a detection assembly, a power supply bin and a liquid stopping assembly, the detection assembly is arranged outside the liquid dropping bin, and the liquid stopping assembly is arranged at the top of the liquid dropping bin; the detection assembly comprises a mounting ring, the mounting ring movably sleeves the liquid dropping bin, a photoelectric switch generator and a photoelectric switch receiver are mounted outside the mounting ring, the photoelectric switch generator and the photoelectric switch receiver are oppositely arranged, a buoy movably sleeves the interior of the liquid dropping bin, and a fixing assembly is fixedly connected to the top of the mounting ring; a warning lamp and a buzzer are fixedly connected to the front face of the power supply bin, and a storage battery is installed in the power supply bin. According to the utility model, the buoy moves downwards along with the descending of the liquid level in the liquid dropping bin, so that the photoelectric switch generator is connected with the photoelectric switch receiver, and the warning lamp and the buzzer can be started to prompt medical staff to handle in time.

The utility model relates to the technical field of microphone function detection, in particular to a material taking mechanism of a microphone function detection device, which comprises a rack, a portal frame is fixed on the surface of the rack through bolts, and an X-axis movement mechanism is mounted on the surface of the top of the portal frame. The surface of the X-axis movement mechanism is sequentially provided with a feeding mechanism, a material moving mechanism and a discharging mechanism from left to right. The feeding mechanism, the material moving mechanism and the discharging mechanism are used for feeding, moving and discharging of products. According to the multi-station material taking device, material taking and carrying work of products in three different working procedures is achieved through one module, the problem that in the prior art, multi-station material taking needs to be achieved through a plurality of modules is solved, the working efficiency during material taking is improved, and the production cost is saved; meanwhile, due to the fact that the induction block and the photoelectric switch are arranged, in-place induction work during movement is achieved, the over-travel phenomenon is avoided, and the service life of the mechanism is prolonged.

The utility model belongs to the technical field of logistics conveying lines, and particularly discloses a plastic turnover basket detection mechanism which comprises a fixing frame used for fixing the detection mechanism on equipment; the trigger hammer is rotationally connected with the fixing frame; and the detection piece is fixed on the fixed frame, so that when the trigger hammer is collided, the trigger hammer rotates relative to the fixed frame so as to be detected by the detection piece, and after the collision is finished, the trigger hammer automatically resets, and the detection piece loses the detection target. The detection failure rate of the turnover baskets on the conveying line is reduced, the efficiency of the conveying line body is improved, an original photoelectric switch is replaced by the detection piece, the problems existing in previous photoelectric detection can be avoided, the number of times of manual fault processing is reduced, and the manual labor intensity is reduced.

A diaphragm device for simulating an infrared target and a control circuit thereof relate to the technical field of infrared remote sensing external field radiometric calibration, and comprise a driving assembly, a base, a diaphragm disc, a vertical rod and photoelectric switches, a step-shaped cylinder is arranged at the center of the base, and a plurality of photoelectric switches are uniformly distributed along the circumferential direction of the edge of the base. A vertical rod is arranged between any two optoelectronic switches, the diaphragm disc is rotationally connected to the step face of the cylinder, a plurality of diaphragm pieces are arranged in the circumferential direction of the diaphragm disc, the diameters of diaphragm holes in the centers of the diaphragm pieces are different, a shielding rod is fixed to the position, between any two diaphragm pieces, of the diaphragm disc, and the shielding rod is fixed to the position, between any two diaphragm pieces, of the diaphragm disc. The lower part of the shielding rod penetrates through the diaphragm disc and is in contact with the vertical rod; the diaphragm disc is driven by the driving assembly to rotate, and elastic sheet assemblies are correspondingly arranged on the two sides of the upper face of the diaphragm disc. According to the invention, the automatic switching of different diaphragm apertures is realized, the precise control of the diaphragm aperture position is realized through the cooperative work of the driving circuit, the decoding precision is high, and the operation is convenient.

This utility model relates to an entertainment facility, disclosing a rotating positioning component and a card dealing machine. The card dealing machine includes a rotating positioning directive, and the rotating positioning component includes a positioning component disposed between the part to be rotated and a support. The positioning component comprises a positioning component one (501) and a positioning component two (502). Positioning component one (501) includes a light-shielding plate (503) disposed at the support and a photoelectric switch (504) disposed at the part to be rotated. Positioning component two (502) includes a magnet (505) disposed at the support and a Hall switch disposed at the part to be rotated. This utility model, on the one hand, achieves effective control of the card dealing position through the cooperation of multiple light-shielding plates and photoelectric switches; on the other hand, it ensures that the card dealing machine has a precise initial position through the cooperation of the Hall switch and the magnet, providing a prerequisite for subsequent card dealing.