104results about How to "Flexible cleaning" patented technology

The invention relates to an electric control system for a double-clutch automatic gearbox. In the electric control system, a washing set for a solenoid valve of a wet type double-clutch automatic gearbox mainly comprises a solenoid valve, a clutch 1 pressure control valve (CPCV1), a clutch 2 pressure control valve (CPCV2), a switch valve 1 (COV1), a switch valve 2 (COV2), a main oil pressure control valve (MPCV), a gear pressure control valve 1 (GPCV1), a gear fork direction control valve 1 (GASV1), a position selecting valve 1 (SCV1), a gear pressure control valve 2 (GPCV2), a gear fork direction control valve 2 (GASV2) and a position selecting valve 2 (SCV2). According to the electric control system, the algorithm is easy to realize, the data collection is convenient and the maneuverability is strong; compared with the other domestic wet type double-clutches, the electric control system has the advantages that a washing control function for the solenoid valve is added, the fault occurrence rate of the gearbox is reduced and the safety is increased; and the routine maintenance and preservation for the gearbox are easy to perform.

The invention discloses a cleaning method and device of cleaned areas. The method comprises the steps of dividing a map of a work space where cleaning equipment is located to obtain multiple cleaned areas, obtaining a cleaning instruction, executing the cleaning instruction and cleaning at least one cleaned area. By means of the cleaning equipment in the method, the map can be divided to obtain the cleaned areas, according to the cleaning instruction, the specified cleaned area is cleaned, with the divided cleaned areas being a unit, a user can specify the cleaned areas for the cleaning equipment, and the local area can be more flexibly cleaned.

The invention aims to provide a method and equipment for calling configuration information. The method comprises the following steps: acquiring a configuration information request of service equipment, wherein the configuration information request includes service identification information of the service equipment; acquiring target encrypted configuration information which is matched with the service identification information from a corresponding first database based on the configuration information request; decrypting the target encrypted configuration information in order to obtain corresponding target configuration information; and transmitting the target configuration information to the service equipment. Compared with the prior art, the method and the equipment have the advantages that different configuration information requests from different service equipment are managed centrally by a web server, so that only corresponding configuration information in the web server needs to be modified when service database information is changed; the service equipment can acquire newest corresponding target configuration information by sending the configuration information requests; and the resource consumption of data processing is saved on the whole.

The invention belongs to the field of wall-climbing robots, in particular to a foot-type magnetic adsorption wall-climbing robot, which is composed of a carrying platform, a walking leg and an adsorption foot. Various actuators can be mounted on the carrier platform to perform various operations on the iron-based wall surface. Each walking leg comprises a two-degree-of-freedom series mechanism, aservo-electric cylinder and a ball hinge, wherein the end of each walking leg is connected and absorbed sufficiently. The suction foot adopts a screw nut mechanism to adjust the height of the permanent magnet and the wall surface so that the suction force can be adjusted. Robots can be thought of as combinations of 4-RRR Planar mechanisms and elevating mehcanisms. the movement of the two mechanisms is controlled to realize the omni-directional movement of the platform in the space. Robot can move straight, turn and adjust posture flexibly on the different curvature of the wall. The invention solves the shortcomings of unreliable adsorption and inflexible steering of the conventional magnetic adsorption wall climbing robot, and has the advantages of simple structure, strong load capacity, good obstacle-crossing ability, flexible movement and reliable adsorption.

The invention discloses a cleaning method and device for clean regions. The cleaning method comprises the steps that at least one clean region on a map of a working space where cleaning equipment is located is acquired, a cleaning instruction is acquired and executed, and the at least one clean region is cleaned. The map mentioned in the method is provided with the multiple clean regions, cleaningis carried out on the clean regions appointed according to the cleaning instruction, the function that with the set clean region as a unit, a user can appoint the regions to be cleaned for the cleaning equipment is achieved, and the local regions can be cleaned more flexibly.

The invention discloses a circular screen cleaning device for a circular screen printer. The circular screen cleaning device comprises a rack and a circular screen. The two opposite sides of the circular screen are provided with two cleaning units. The cleaning units are arranged on moving units. Each cleaning unit comprises a base, multiple spraying heads which are fixed to the side, corresponding to the circular screen, on the base, a water supplying pipe and a gas supplying pipe which are fixed to the base, wherein the lower end of the base is provided with an inserting part, and the outer side wall of the inserting part is provided with multiple inserting concave holes which are arranged in a vertical line mode and at equal intervals. Each moving unit comprises a driving motor, a rotary screw rod connected with a rotary shaft of the driving motor and a moving block which is in screw joint with the rotary screw rod, wherein the moving block is provided with an inserting hole matched with the inserting part, the inner side wall of the inserting hole is in screw joint with a ball head plunger, and a steel ball of the ball head plunger extends out of the inner side wall of the inserting hole and is embedded into the inserting concave hole in a sleeved mode. Cleaning can be automatically carried out on the circular screen, the cleaning efficiency is high, and after the cleaning is completed, the circular screen can be automatically dried in a blowing mode.

The invention discloses an intelligent sweeping and mopping integrated cleaning device with an automatically replaceable mopping head. The intelligent sweeping and mopping integrated cleaning device comprises a shell, a sweeping mechanism, a mopping mechanism, an intelligent control system and a charging battery. Universal wheels are arranged on the bottom face of the shell; two infrared generators of which the angles are 75-90 degrees are symmetrically arranged on the bottom face of the shell; an ultrasonic sensor is arranged at the front end of the shell; a mop opening is formed in one sideof the tail end of the bottom face of the shell; the sweeping mechanism comprises side brushes, a main brush, dust collection devices and a dust box; the mopping mechanism comprises mops, a mop box, apressing box and a liquid storage box; magnetic stripes are arranged at the two ends of the long side of each mop, so that the mops are attracted with one another to form a mop set; the two ends of the mop set are wound on two rotary shafts respectively; the pressing plate is arranged above the mop opening; multiple through holes are uniformly formed in the lower surface of the pressing plate, and the liquid storage box is communicated with liquid in the through holes. By means of the intelligent sweeping and mopping integrated cleaning device with the automatically replaceable mopping head,motions of sweeping and mopping are conducted simultaneously; meanwhile, through the rotary shafts, the motion of the mop set is controlled, and automatic replacement of the mops in the process of cleaning a house is achieved, so that the room cleaning effect is obviously improved.

The invention relates to the technical field of industrial brushes, and provides an electric industrial brush with a cleaning function. According to the electric industrial brush, the problems that atraditional industrial brush adopts a manual cleaning mode, and the cleaning effect is poor; and the labor intensity is high, while an existing electric industrial brush is large in occupied space andinconvenient in use are solved. The electric industrial brush comprises a device shell, and the device shell comprises a handle part and a core part which are formed integrally; a pressing switch isarranged on the handle part, and one end of the core part is rotatably provided with a rotating sleeve in an inserting mode; the end, located in an outer cavity of the core part, of the rotating sleeve is provided with a fixing hood, and the other end of the fixing hood is provided with a brush roller detachably; a plurality of rows of bristles are arranged on the annular outer wall of the brush roller, and an inner cavity of the brush roller is provided with a spray cleaning mechanism; and the upper end of the core part is provided with a cleaning liquid tank. The electric industrial brush isespecially suitable for flexible cleaning of industrial machines, and has higher social use value and broad application prospects.

The invention provides a mobile dust remover which comprises a tank body, a fan, a filter bag, a prefilter layer, a controller and a dust collection drawer.The tank body is divided into an upper tank body and a lower tank body.The fan is installed in the upper tank body.The controller is installed on one side of the fan.The prefilter layer and the filter bag are arranged in the lower tank body.The prefilter layer is located at the upper end of the filter bag.The lower end of the filter bag is connected with the dust collection drawer.The lower tank body is provided with a dust suction pipe.One end of the dust suction pipe is provided with an air suction cover.The mobile dust remover is compact in structure, convenient to operate and convenient and fast to move, has the excellent dust removal effect, and meanwhile is small in vibration, high in working continuity, stable in dust suction effect, capable of removing dust conveniently and flexibly and keeping comfort and health of working environment, convenient to maintain and strong in high temperature resistance, and the service life of the mobile dust remover is effectively prolonged.

The invention discloses a fixed point cleaning method and a corresponding device. The method comprises the steps of obtaining a cleaning position marked on a map of a working space in which cleaning equipment is located, generating a cleaning area according to the cleaning position, and cleaning the cleaning area so that the cleaning equipment can only clean the periphery of the marked cleaning position. The problem of cleaning the area which is not required to be cleaned by a user is avoided, flexible cleaning of local areas is achieved, and the time consumption, the power consumption and thenoise impact of cleaning are reduced.

The invention relates to a Chinese medicine cleaning device, which comprises a box. The box sequentially comprises a cleaning box, an impurity removing box and a water tank from top to bottom, the topof the cleaning box is slidably connected with a connecting rod, hydraulic telescopic rods are symmetrically arranged on the two sides of the middle of the connecting rod, a cleaning plate is fixed to the end of the connecting rod and provided with water leakage holes arrayed at equal distances, cleaning brushes are arranged at gaps of the water leakage holes, rolling shafts are arranged below the cleaning brushes at equal distances, gears are arranged at one ends of the rolling shafts correspondingly, one of the rolling shafts is connected with a motor, a discharging outlet corresponding tothe rolling shaft is formed in the right side of the box, and a corresponding feeding inlet is formed in the left side of the box; and a filtering plate is arranged at the bottom end of the impurity removing box, a water pump is arranged at the bottom of the water tank and connected with a water pipe, the water pipe communicates with the cleaning box, and spraying devices are arranged on the waterpipe at equal distances. The Chinese medicine cleaning device has the advantages that the structure is simple, cleaning is flexible, mass cleaning can be achieved, water for cleaning is subjected toimpurity removal, water recycling is achieved, and practicality is high.

The invention discloses a high-rise building glass cleaning mechanical device based on the Internet of Things. The device comprises a body, a sliding seat and a second electric push rod, wherein one side in the body is connected with a hydraulic cylinder through a bolt; one side of the hydraulic cylinder is connected with the sliding seat through a bolt; the second electric push rod is connected to one side of the upper end of the sliding seat through a bolt; a fixing seat is connected to one side of the second electric push rod; a motor is connected into the fixing seat through a bolt; a threaded rod is connected to the transmission output end of the motor through a screw key; and a nut seat is connected to the threaded rod in a screwed mode. The device has the beneficial effects that thebody is fixed to a glass curtain wall, the cleaning operation area is increased, energy consumption is reduced, the cruising ability is improved, meanwhile, the hydraulic cylinder, the second electric push rod and the motor are controlled to work through the Internet of Things, and the device is more flexible to clean and more convenient to operate.

The invention relates to a rotating disc type screen washing machine and a using method and belongs to the technical field of cleaning tools utilizing rotary actions. According to the rotating disc type screen washing machine, the problems that an existing screen washing device is small in washing area and inflexible in operation are solved. The rotating disc type screen washing machine comprises a washing unit and a driving unit, and the driving unit is connected with the washing unit through a water pipe and used for supplying a high-pressure water flow to the washing unit; the washing unit comprises a plurality of rotary discs which are uniformly arranged, and each rotating disc is provided with a high-pressure nozzle; hanging pieces are moved and operated by personnel through a rope and used for conveying the washing unit to the position under water; and a base plate is used for bearing the multiple rotary discs and the hanging pieces. According to the rotating disc type screen washing machine and the using method, the driving unit drives the high-pressure water flow to enable the multiple rotary discs to rotate, the high-pressure water flow is utilized to wash sewage attached to nettings, and the hanging pieces are bound with the rope so as to enable the rotary discs to be conveyed to the position under the water for cleaning, so that large-area, multi-angle flexible cleaning is achieved. The rotating disc type screen washing machine and the using method are suitable for cleaning of nettings in net cages of cage culture.

The invention relates to a high-speed numerical control knitting machine capable of clearing with an auto-levelling structure. The high-speed numerical control knitting machine comprises a support rack, a pulling plate and a third roller, vertical plates are fixed at the left upper end and the right upper end of the support rack, a transmission component is installed right above the support rack,a first roller is installed behind the transmission component, a first center shaft is embedded in the inner part of the first roller, and a first drive belt is connected to the outer end of the firstcenter shaft. The high-speed numerical control knitting machine has the benefits that the high-speed numerical control knitting machine capable of clearing with the auto-levelling structure is provided with a cotton carding scraper blade, when a cotton thread is conveyed to a workstation of the first roller, the motion trails of a levelling cover plate and the first roller coincide due to the arrangement of the arc structure, by combining with the condition that the bottom part of the cotton carding scraper blade and the outer wall of the first roller are fitted, the cotton carding scraper blade with the saw-toothed bottom part automatically levels the cotton thread in the conveying process, so that the routing of the cotton thread is more ordered and neat.

The embodiment of the invention discloses a space management method, a space management device and electronic equipment. The space management method comprises the following steps of: determining an increment of a space occupied by at least one application program within a preset time interval; according to the increment of the space occupied by the at least one application program and a space clearing historical record, determining at least one application program recommended for clearing from the above at least one application program; receiving a space clearing command which aims at the at least one application program recommended for clearing, and clearing the space occupied by the at least one application program recommended for clearing. By using the embodiment of the invention, storage spaces can be cleared according to space occupation situations and historical clearing situations of various application programs so that the space clearing is flexible and pertinent.

The invention discloses a bird's-nest device for a transformer substation. The bird's-nest device for the transformer substation comprises a clamp type mechanical arm, a rake type mechanical arm and a net bag supporting device. According to the bird's-nest device for the transformer substation, various bird's nests on electrical equipment in the transformer substation can be electrically detached, so that the drop of the reliability of power supply and the loss of electric quantity caused by power failure of the equipment can be avoided, the bird's nests at hidden parts of the equipment can be flexibly and effectively detached and cleaned, and weeds of the bird's nests can be ensured to prevent from drooping or dropping during the detaching and cleaning operations of the bird's nests, so that accidents of grounding, short circuit or trip of operating equipment of a power grid due to the weeds and bird damages can be avoided, the potential safety hazard endangering the operation of the power grid can be eliminated, and the extra-high voltage power grid can be ensured for safe and reliable operation.

The invention discloses a movable automatic cleaning trolley for conveying belts. The movable automatic cleaning trolley for the conveying belts comprises a supporting seat, a mechanical arm and a cleaning mechanism, the cleaning mechanism is arranged on the supporting seat through the mechanical arm, wherein the supporting seat comprises a base and a stand column arranged on the base, a rotationadjusting structure is arranged between the stand column and the base, the cleaning mechanism is arranged at the end of a second branch arm, and comprises a cleaning seat, an atomizing nozzle set, a fur brush roller set, a cloth roller set and a cleaning assembly, the atomizing nozzle set, the fur brush roller set, the cloth roller set and the cleaning assembly are arranged on the lower side of the cleaning seat, and are sequentially arranged in the conveying directions of the conveying belts to be cleaned, the cleaning seat is hinged to the end of the second branch arm, a rotating motor is arranged at the joint between the cleaning seat and the second branch arm, so that angle adjustment on the cleaning mechanism is realized. According to the movable automatic cleaning trolley for the conveying belts, through cooperation among the supporting seat, the mechanical arm and the cleaning mechanism, tobacco tar and tobacco dirt which are adhered on the conveying belts can be timely, effectively and thoroughly cleared, moreover, the clearing speed is high, and the clearing effect is good.

The invention discloses a sewage purification equipment which is easy to disassemble and assemble, which comprises a purification equipment body, two purification boxes are placed inside the purification equipment body, and fixing plates are placed on the front and back of each purification box, and each fixing plate The side of the plate away from the purification box is fixedly connected with the inner wall of the purification equipment body, and the side of each fixed plate close to the purification box is provided with a clamping groove. The sewage purification equipment that is easy to disassemble can fix the clean water tank by setting a purification box inside the sewage purification equipment body, and setting locking rods and connecting rods on both sides of the clean water tank. Under the action of the groove and the clamping block, the clean water tank can be flexibly slid inside the water purification equipment body, which can make the water purification equipment body easy to disassemble and improve work efficiency. Equidistantly arranged drainage holes are provided at the bottom of the clean water tank, which facilitates the purification and treatment of sewage.

The invention discloses a wet type surface cleaning device. Thewet type surface cleaning device comprises a cleaning head and a distribution system; a first fluid nozzle and a second fluid nozzle are formed in the cleaning head; the distribution system comprises a clear water tank, a heating body and a liquid control unit which is used for outputting water in the clear water tank; the liquid control unit is arranged between the clear water tank and the heating body; the liquid control unit is provided with a first output end and a second output end; a first fluid conveying channel is arranged between the first output end and the first fluid nozzle; a second fluid conveying channel is arranged between the second output end and the second fluid nozzle; the first fluid conveying channel and the second fluid conveying channel are arranged in parallel; and part of pipelines of the first fluid conveying channel and / or the second fluid conveying channel are in heat conduction contact with the heating body. The two independent fluid conveying channels are adopted; the flow of cleaning liquid in the two pipelines is controlled through two flow controllers, and fluid in different material states can be sprayed in different directions.

The embodiment of the invention discloses an application clearing method and device, a storage medium and electronic equipment. The method comprises the steps that the clearing probability of an application is acquired; a plurality of current equipment features of the electronic equipment are collected, and a plurality of corresponding adjusting parameters are generated based on the equipment features; based on preset weight, the adjusting parameters are calculated to obtain a clearing threshold; based on the clearing probability and the clearing threshold, whether or not the application can be cleared is judged. According to the application clearing method and device, the storage medium and the electronic equipment, the clearing threshold can be adjusted based on the actual use dynamic condition, so that the application is cleared more flexibly and accurately, the running speed of the electronic equipment is improved, and the power is reduced.

The invention discloses an LED solar lamp photovoltaic panel surface cleaning device. The LED solar lamp photovoltaic panel surface cleaning device comprises a pneumatic telescopic pipe, an air pump, a fixed table, a mounting rack, a water guide hose, a mounting table, a first telescopic rod, guide rails, a screw rod, a pedestal, a micro motor, a fixing frame, a roller, a fixing rod, a metal conduit, atomizers, an annular guide pipe, a second telescopic rod, a fixing block and a duster cloth. A water inlet guide pipe, the annular guide pipe and the atomizers are used for spraying water onto a solar photovoltaic panel, and meanwhile the duster cloth is used for cleaning; the guide rails and the telescopic rods are used for moving the duster cloth, and the water can be sprayed evenly through the atomizers and the annular guide pipe; and a water source is saved, a cleaning device body can be contracted through telescoping of the first telescopic rod and the second telescopic rod, and the air pump and the pneumatic telescopic pipe are used for driving the telescopic rods to achieve telescoping. The LED solar lamp photovoltaic panel surface cleaning device is convenient to move and capable of being placed stably and firmly, cleaning is uniform and effective, water resources are saved, the cleaning device body can be contracted flexibly, and thus movement and transportation can be facilitated.

The invention relates to printing equipment with a self-cleaning function. The printing equipment comprises a workbench for bearing a printing part to be processed and a scraper mechanism arranged above the workbench. A lifting strike-through plate is further arranged between the workbench and the scraper mechanism. The workbench is arranged on a supporting frame and comprises two split plates which are in shaft connection with the supporting frame. A cleaning mechanism is arranged on the lower portion of the strike-through plate and comprises a cleaning roller arranged at the lower end of the strike-through plate, and the cleaning roller can move transversely. The printing equipment with the self-cleaning function is provided with the lifting strike-through plate, the cleaning mechanism is arranged on the lower portion of the strike-through plate, and therefore the strike-through plate can be conveniently cleaned in time, and the printing quality is guaranteed. The mode of the supporting frame and the two split plates in shaft connection with the supporting frame is especially designed for the workbench, so that stable supporting to the printing part is guaranteed, and dirt which is removed from the upper portion can also be conveniently discharged.

The invention discloses a large-scale heat exchanger quick cleaning equipment, a large-scale heat exchanger quick cleaning equipment, including a tube heat exchanger, a U-shaped heat exchanger, a power plant condenser, a cleaning system and several A quick-sealing connector, the quick-sealing connector is movably connected to the heat exchanger, and the cleaning system is connected to the quick-sealing connector through a connecting pipe; the cleaning system includes at least a main control system, a sub-control system, The liquid supply sub-control subsystem and the liquid return sub-control sub-system, the liquid supply sub-control sub-system transports the liquid to one end of the inner tube of the heat exchanger through the quick seal joint, enters the heat exchanger, and in the heat exchanger The other end of the tube sends the liquid back to the liquid return sub-control subsystem through the quick-sealing connector; this cleaning equipment realizes the flexible and fast cleaning of large tube-and-tube heat exchangers, improves the cleaning efficiency and effect, saves costs for the enterprise, and contributes to the national Energy saving; and each system can be quickly assembled, expanded at will, and easy to carry.

The invention discloses a composite vacuum deposition method of a combination magnetic field, a lining special-shaped tube and a porous baffle, and belongs to the technical field of material surface treatment. The problems of contamination of thin films and target material usage restrictions by large particles, loss of magnetically filtered arc plasma, and instability of high power pulsed magnetron sputtering discharge in arc ion plating are solved. A device comprises a target source of arc ion plating, a multistage magnetic field device, a lining bias voltage special-shaped tube and porous baffle combination device, a movable coil device, a high power pulsed magnetron sputtering target source and relevant power supply, a waveform matching device, a bias voltage power supply, and the like;and thin film deposition is conducted, specifically, the device is connected, a system is started, working gas is injected when the vacuum degree in a vacuum chamber is less than 10<-4>Pa, a platingpower supply is turned on, the bias voltage power supply regulates energy of the plasma, the combination magnetic field and the lining special-shaped tube and porous baffle device eliminate large particle defects and guide transmission of the composite plasma, the loss in the vacuum chamber is reduced, and preparation technological parameters are set.

The invention relates to the field of disinfection and sterilization spraying devices, in particular to a large-area disinfection spraying device for vehicle disinfection, which comprises a cleaning structure, a water absorption structure, an angle adjusting structure, a supporting structure, a driving structure, a reversing structure and a spraying structure, the angle adjusting structure used for adjusting flushing and cleaning angles is arranged at the end of the supporting structure, and the cleaning structure used for scrubbing a vehicle is arranged at the end, deviating from the supporting structure, of the angle adjusting structure; the driving structure connected to the angle adjusting structure is arranged on the supporting structure; further, the angle adjusting structure is conveniently driven through the driving structure in the cleaning process; the angle between the supporting structure and the cleaning structure is adjusted through the angle adjusting structure, so thatthe angle of the cleaning structure is conveniently adjusted, the cleaning range of the cleaning structure is changed, cleaning is more flexible, meanwhile, the spraying range of the spraying structure is conveniently adjusted, waste of a disinfectant is effectively reduced, and the disinfection efficiency and quality are greatly improved.

The invention provides a glass grinding machine which comprises a support, buckets, a fan, a PLC control structure, a grinding turntable, a telescopic pipe, a workbench, a positioning block, a moving rod, a sliding groove, a motor, a protection box and a sloping plate, wherein the support is arranged between the protection box and the sliding groove, and the buckets are arranged on the two sides of the telescopic pipe; the fan is arranged at the bottom of the workbench. Due to the arrangement of the PLC control structure, the positioning block, the telescopic pipe, a leather sheath, a strip-type hole, the fan and a collecting bag, the glass grinding machine is beneficial to convenient operation, improves the degree of intelligence, prevents glass from sliding, improves the positioning effect, further is flexible in water spraying washing, is convenient to suck off waste residues, and reduces potential safety hazard, therefore improving the working efficiency, completing functional diversity, and achieving the best grinding effect.

The invention discloses a low-pressure electric wool shearing machine which comprises a hollow grab handle; a wool shearing structure is arranged at one end of the hollow grab handle, and comprises amounting housing; the mounting housing is fixedly connected with the hollow grab handle; a group of hollow mounting blocks are fixed to one side surface of the mounting housing; fixed rods arranged ina crossed manner are rotationally connected into the mounting housing; a driving motor is fixed in the mounting housing; a rotating disk is fixed to an output shaft of the driving motor; and a driving rod is rotationally connected to one side surface of the rotating disk. Through the coordinated use of wool combing teeth, the driving motor, the rotating disk, the driving rod, a first connecting rod, second connecting rods, connecting columns, guiding columns, fixed rods and arc-shaped cutting knives, wool can be sheared, a power-driven shearing way is adopted, and compared with a traditionalway that a user holds a shear for shearing, the wool shearing efficiency is greatly improved, and moreover, the whole device is small in size, and convenient to carry.

The lower surface (S) of a stopper housing (H) of a yam feeder (F) is continuously flat and essentially parallel to a tangent on the storage region (6) at the location of the stop element (11), and is, at least in a partial region, equipped with an abrasion resistant surface. The yarn feeder comprises a stationary storage body (2) provided at a casing (1), a storage surface on the storage body, the storage surface consisting of storage regions (6) arranged in circumferential direction around a storage body axis (X), a rotatable winding element (3, 4) between the casing (1) and the storage body (2), a stopper housing (H) supported by the casing (1), the stopper housing (H) having the lower surface (S) located adjacent to the storage surface with a yarn passing gap between the lower surface (S) and one storage region (6), a stopping device received in the stopper housing, a stop element (11) of the stopping device being movable through the lower surface (S) and the yarn passing gap towards the storage region, and at least one optoelectronic sensor assembly (20, 22, 24) received in the stopper housing, the sensor assembly including at least one transparent protector (17, 18) located in the lower surface (S) in the neighbourhood of the stop element (11).