32 results about "Foreign matter" patented technology

Disclosed is a process for extracting xylose and xylitol from a xylose mother liquor or a xylose digest, which comprises, using xylose hydrolysate or xylose mother liquid as the raw material, removing glucose through saccharomyces cerevisiae fermentation, then imitating moving bed, using water as eluent, completely separating xylose from foreign matter such as arabinose, thus obtaining component containing rich xylose.

The invention provides a material box film tearing method, a film tearing device and an automatic feeding device of a cooking machine. The film tearing device comprises two sets of shafts; one set of shafts on the inner side of a film are two-section structures with intermittent middle parts; the intermittent distances of the two-section structures are matched with a gap between sealing areas on two sides of a material box; and the two sets of shafts are respectively positioned on the inner and outer two sides of the material box film during clamping. One set of shafts on the inner side of the film are the two-section structures with the intermittent middle parts, so that rotating shafts of the two-section structures cannot contact with material box contents attached on the inner side of the film, foreign bodies cannot be attached on the rotating shafts, and the cleanness and the smooth rotation of the rotating shafts are maintained; and the rotating shafts cannot be contacted with materials in the filling process, so that the sanitation and the cleanness of the materials are kept.

A mechanism is provided for allowing a wipe member formed of an elastic material to abut against a nozzle plate in which a plurality nozzles communicating with a pressure chamber for holding ink therein are arranged, moving the wipe member along the nozzle plate to remove ink and foreign particles remaining in the nozzle plate, and switching the position of abutment of the wipe member against the nozzle plate, whereby satisfactory sweeping capability of the wipe member can be maintained without providing a wipe member cleaning mechanism and performing the work of replacing of the wipe member with another.

A camera-based modular electronic exterior mirror system includes a camera assembly and a display assembly, the camera assembly comprises a camera module, a camera support and a camera wire harness. The display assembly comprises a display screen and an image processing unit. The camera module installed in the camera support is connected with the image processing unit through the camera wire harness. The display screen is arranged on the driver side A-pillar or on the right side area of the steering wheel. In application, the camera module transfers the road state image taken by the camera module into the image processing unit through the camera wire harness, and the image processing unit processes the received image to obtain narrow-angle and wide-angle views, and arranges the images up and down on the display screen, and can automatically judge whether there is a foreign object in the blind area through the image recognition software, and an alarm is sent when there has the foreign object. This design not only has good quality of image display and strong effect of rear-view guidance, but also has pedestrian detection function and a wide range of adaptability.

The invention relates to a preparation method of bar-shaped NiTiO3 nano-crystalline, which comprises the following steps that: nickel nitrate hexahydrate is added into ethanol to obtain solution A; tetrabutyl titanate, oxalic acid and water are added into solution A to obtain solution B; after the solution B is arranged into a ultraviolet microwave instrument to be radiated for a given period of time, sediment is produced in the solution. The filtered sediment is arranged inside a drying box to be dried after being washed by acetone to obtain the final product - bar-shaped NiTiO3 nano-crystalline without any foreign matters. The prepared NiTiO3 nano-crystalline particles have small size, good dispersion, uniform distribution of particles, less agglomeration phenomenon and is free from containing any foreign matters; the prepared NiTiO3 nano-crystalline has short reaction period, good repeatability, simple preparation, convenient operation, easy obtaining of raw material and low preparation cost.

The invention provides a foreign matter detecting apparatus and method. The foreign matter detecting method comprises the following steps: setting the pixel group of a small area including the pixel according to each pixel of the digital image forming the substrate of detecting object; comparing the brightness value of each pixel and the brightness of the pixel group including the pixel; operating the quantity of the deviation degree of each pixel relative to the brightness value of the pixel group according to each pixel via the comparison as the brightness confirmation value; and determining whether exists foreign matter or not based on the brightness confirmation value. The deviation degree of the brightness of the substrate is quite small. As the foreign matter is the object having no fixed shape and naturally formed, the brightness thereof has the characteristics of entirely high brightness level deviation. The difference of the deviation degree of the brightness of the product and foreign matter can be utilized to identify the foreign matter by operating the brightness confirmation value.

The invention provides a thermal head which can execute high-quality printing by preventing foreign matters such as dust from accumulating at the printing time at a part where a thermal insulating layer is formed. The thermal insulating layer 2 of the thermal head has a surface partially projected thereby forming a projecting part 2a with a vertex part. Heating elements 3a are set at the surface of the projecting part 2a. A cross sectional shape of the projecting part 2b in a direction orthogonal to the arrangement direction of heating elements 3a has an inclined face 2c formed at a face side 2b. The one face side 2b is formed lower than the other face side 2d. The projecting part 2a is formed to have a height from the one face side 2b of 5-50 [mu]m.

The invention relates to a bearing sealing structure, in particular to a bearing sealing structure capable of bearing overturning moments, and belongs to the technical field of bearing sealing structures. The bearing sealing structure comprises a bearing inner ring, a bearing outer ring, balls and a dustproof cover, wherein the outer circle end face of the dustproof cover is provided with an uppersealing ring, the inner side of the bearing outer ring is provided with an outer ring dustproof groove, and the upper sealing ring of the outer circle of the dustproof cover is clamped in the outer ring dustproof groove of the bearing outer ring; the inner circle end face of the dustproof cover is provided with a lower sealing ring extending vertically downward, the corner, facing the lower sealing ring of the dustproof cover, of the bearing inner ring is provided with an inner ring dustproof inclined surface, the lower sealing ring of the dustproof cover is tightly pressed on the inner ringdustproof inclined surface, and thus the compression and sealing of the inner end face of the dustproof cover and the bearing inner ring is realized. The bearing sealing structure has a simple, compact and reasonable structure, the occurrence of sealing gaps caused by overturning moment of the bearing can be avoided, bearing sealing performance is enhanced, grease leakage and foreign matter intrusion are prevented, and the service life of the bearing is prolonged.

The invention discloses a mask plate cleaning device, which comprises an observation camera for photographing the surface of a mask plate to obtain position information of foreign matters on the mask plate; a nitrogen nozzle, positioned below the surface of the mask plate and used for purging foreign matters on the surface of the mask plate according to the position information of the foreign matters; an air extractor, positioned below the surface of the mask plate and used for extracting nitrogen sprayed by the nitrogen nozzle from the blown foreign matters so as to remove the foreign matters on the surface of the mask plate and discharge the foreign matters; and a control unit, used for controlling the nitrogen nozzle to spray nitrogen to the surface of the mask plate and controlling the air extractor to extract nitrogen from the surface of the mask plate when the observation camera shoots that foreign matters exist on the mask plate. A positioning cleaning mode is adopted, the purging range is more accurate, the area, affected by purging, of the mask plate is reduced on the premise that the air pressure of the nitrogen nozzle is kept unchanged, the success rate of removing foreign matter on the surface of the mask plate is increased through the air extractor, and then the reliability of the mask plate is improved.

The invention relates to the technical field of motor machining equipment, in particular to a motor winding stator iron core inner and outer surface special automatic cleaning machine and an application method thereof. A machine tool is provided with a lower support and an upper support, and the upper support is located over the lower support. A push broach through hole penetrating through the upper and lower end surfaces of a table board is formed in the upper end of the table board of the lower support. A stator base is arranged on the upper end surface of the table board, and a center through hole of the stator base communicates with the push broach through hole. A stator inner hole push broach oil cylinder is vertically mounted on the lower portion of the lower support through a push broach oil cylinder mounting plate, and a stator inner hole push broach is fixedly mounted at the end of a piston rod of the stator inner hole push broach oil cylinder. The stator inner hole push broach is located under the push broach through hole. A two-stage oil cylinder is arranged inside the upper support and located over the stator base. A stator pressed colored cover is mounted at the end ofa first-stage piston rod of the two-stage oil cylinder, and a paint scraper assembly is mounted at the end of a second-stage piston rod of the two-stage oil cylinder. The motor winding stator iron core inner and outer surface special automatic cleaning machine and the application method thereof have the beneficial effects of manpower saving, high efficiency, quality guaranteeing, comprehensive and one-time impurity removing and the like.

The invention provides a fin penetrating type heat sink of a generator set. The heat sink comprises a first water tank assembly, a second water tank assembly, a heat sink core, a heat dissipation pipe and a base; the first water tank assembly and the second water tank assembly form a square space, the heat sink core and the heat dissipation pipe are located in the square space, a core protection cover is arranged on one side of the first water tank assembly, an air guide cover assembly is arranged on one side of the second water tank assembly, the first water tank assembly and the second water tank assembly are located on the base, and two overflow pipes are arranged on the air guide cover assembly. Outer surfaces of fin penetrating type structure fins of the heat sink are flat, cooling air is not blocked during flowing, during work, foreign matter can be easily blown away by a cooling fan, the air flow guide effect can be improved through the circular-arc face of a cooling pipe, and the foreign matter cannot exist.

The invention discloses a transmission line foreign matter detection method, terminal and system. The method comprises the steps that first video information collected by a camera and second video information collected by an unmanned aerial vehicle are received; the first video information and the second video information are analyzed based on a deep learning model to obtain a first foreign matterdetection result and a second foreign matter detection result; and the first foreign matter detection result and the second foreign matter detection result are sent to a server, thereby enabling theserver to update and display the foreign matter hotspot map through the power transmission line. The transmission line foreign matter detection method, terminal and system provided by the invention can replace a manual line patrol mode to realize the detection of the transmission line foreign matter and improve the detection efficiency.

The invention discloses a nozzle flange capable of preventing foreign matters and a combustion chamber. The nozzle flange comprises a filter screen, a throttling orifice plate and a fixing part which are arranged in the interior of the nozzle flange, the filter screen is used for filtering the foreign matters entering the nozzle flange, the throttling orifice plate is arranged on the downstream of the filter screen and is coaxial with the filter screen, and the fixing part is used for carrying out compaction and fixation on the filter screen and the throttling orifice plate. According to the nozzle flange capable of preventing the foreign matters, a foreign matter preventing structure is arranged on the nozzle flange, the situation that the fuel jet flow is uneven due to the fact that a fuel spraying hole is blocked by the residual foreign matters is prevented, meanwhile, a throttling assembly is matched, the effective area of a fuel channel is adjusted, and the difference of the fuel flow among nozzles is reduced.

A polishing pad conditioning apparatus according to an example embodiment of the present inventive concept includes an apparatus body, a pivot arm provided on the apparatus body and including a housing having an internal space and provided at a distal end portion of the pivot arm and a head unit disposed at the distal end portion of the pivot arm. The head unit includes: a rotary motor provided in the internal space of the housing, the rotary motor including a rotary shaft; a foreign material blocking member connected to the rotary shaft; a disk holder connected to the rotary shaft; and a conditioning disk coupled to the disk holder. The foreign material blocking member includes a fluid flow groove configured to guide a movement of fluid for preventing foreign objects from entering the housing on an outer surface of the foreign material blocking member.

The invention relates to an online monitoring and warning device for preventing an electric transmission line from being damaged by an external force. The online monitoring and warning device comprises a laser emitting device and a laser receiving device, wherein the laser emitting device comprises a first host tank, three laser devices are mounted at the top of the first host tank, and a first fixing plate is arranged on the back surface of the first host tank; and the laser receiving device comprises a second host tank, a left auxiliary machine tank and a right auxiliary machine tank, a laser inductor is arranged on the front surface of each of the second host tank, the left auxiliary machine tank and the right auxiliary machine tank, a control panel and a short message module are arranged in the second host tank, a buzzer is arranged close to each laser inductor, and an antenna is arranged outside the second machine tank. According to the online monitoring and warning device, an electrified body safety region is formed as required between two pole towers by virtue of multiple light beams when the wiring and operation states of electrified bodies of equipment and wires of primarypole towers are not changed, laser is received through the induction of the laser inductors and cannot be received because of the invasion of a foreign matter and the out-of-limit of the wire, and the online monitoring and warning device can timely and locally warn, and management staff can be informed through short messages.

The invention provides a lift shaft monitoring system and a monitoring method thereof. The lift shaft monitoring system comprises a lift shaft with a containing space, a lift car which does hoisting movement along the containing space of the lift shaft, a foreign matter detection system and a driving device for driving the lift car to move, wherein the foreign matter detection system comprises a light emitter, a light receiver and a controller; the light emitter covers a whole bottom wall of the lift car and emits longitudinal light for irradiating the light receiver; the light receiver is arranged at the bottom of the lift shaft and corresponds to the light emitter; the controller is connected with the light receiver and the driving device respectively. According to the lift shaft monitoring system and the monitoring method thereof, the foreign matter detection system is additionally arranged; when foreign matters appear in the lift shaft, the operation of the lift car can be stopped in time, so that on one hand, the lift car is protected from damages caused by the foreign matters; on the other hand, people and animals, who inadvertently stray into the lift shaft, are protected.

The invention relates to a tobacco-impurity identifying and rejecting system and method based on excitation light. The method includes the steps that a system is started, and a feeding device feeds to-be-identified tobaccos into a vibration device; under the effect of the vibration device, the tobaccos are in the loose state, and then enter a guiding trough; the loose tobaccos are output through an outlet below the guiding trough to form a free-falling tobacco waterfall to enter a detection area; tobacco-impurity identifying devices symmetrically arranged on the two sides of the detection area rapidly identify the tobacco waterfall; when foreign matter is identified, a control device starts a tobacco-impurity rejecting device, and the foreign matter is fed into an impurity trough. The identification modes of the tobacco-impurity identifying devices are not influenced by diversities and changes of the color, the shape, the illuminated angles and the like of identification samples, non-tobacco matter and moldy tobaccos are judged and detected through the inside structure of matter, the identification accuracy of the tobacco-impurity identifying devices of tobacco impurities and unqualified tobaccos is improved, the tobacco-impurity rejecting efficiency is improved, and the labor cost is reduced.

The invention discloses a filling mechanism of a tea filling machine. The filling mechanism comprises a rack, a weighing system and a filling system. The filling system comprises a capping and decapping mechanism and a filling valve. The capping and decapping mechanism comprises a swing platform, a movable support plate and a fixed support plate. A cap pressing air cylinder and a filling air cylinder are mounted on the upper surface of the swing platform, and the lower surface of the swing platform is connected with the fixed support plate through the filling valve. A swing air cylinder is further mounted on the upper surface of the movable support plate. A lifting air cylinder is arranged on the rear portion of the swing air cylinder. An original filling valve is replaced with a valve port combining the end face type and the cylindrical surface type; the dual sealing method including common sealing and conical sealing is adopted; the problems that when foreign matter is included in the valve closing process, the valve cannot be closed tightly, and tea is broken into pieces are solved; in addition, the open degree of the filling valve can be changed, switching of high-speed fillingand low-speed filling is achieved, and the filling precision is improved; and by means of the novel capping and decapping mechanism, the automation degree is raised.

The invention provides an unmanned aerial vehicle-carried laser foreign matter removing system and method for a high-voltage power transmission line. The system comprises an itinerant unmanned aerial vehicle, a removing unmanned aerial vehicle and a control platform, the itinerant unmanned aerial vehicle collects and uploads a high-definition image of a power transmission line and locates an abnormal image, and the removing unmanned aerial vehicle carries a laser technology, and can accurately position abnormal positions and remove foreign matters. Meanwhile, communication and mutual positioning among the multiple unmanned aerial vehicles are achieved, and support can be carried out in time.

The present invention provides a wheel hub tire ring for conveniently installation a damping device. The wheel hub tire ring comprises an inner tire ring, a outer tire ring and a plurality of dampers, wherein the inner tire ring and the outer tire ring are connected through the dampers, the outer tire ring and the inner tire ring are concentric circles, and the dampers are perpendicular to the outer tire ring and the inner tire ring. According to the present invention, the damping device can be effectively prevented from contacting sediment, rainwater and other foreign matters, the service life of the damping device can be completely ensured, and the wheel hub tire ring has wide applicability.

The invention particularly relates to a foreign matter forceps for a digestive system department. The foreign matter forceps comprises a hand-held control member, a clamping member and a connecting pipeline, wherein the hand-held control member penetrates through the connecting pipeline through a guy rope and is connected with a link mechanism, the link mechanism is arranged at one end, close to the clamping member, of the connecting pipeline, the connecting pipeline is fixedly connected between the hand-held control member and the clamping member, a clamping mechanism and an anti-falling mechanism are arranged in the clamping member, and both the clamping mechanism and the anti-falling mechanism are connected with the link mechanism. Through arranging the clamping member, foreign mattersin a digestive organ of a sufferer can be clamped, during clamping of the foreign matters, a clamping jaw is driven to be fixed through a compression spring I, the clamping jaw has no need of being manually fixed, and thus, the problem during the clamping of the foreign matters that the foreign matters fall off due to the fact that the clamping jaw is loosened due to unstable movable gripping is avoided; and the connecting pipeline can flexibly adapt to an in-vivo environment of the sufferer, and meanwhile, injury to a body of the sufferer when the forceps extends into the body of the suffereris avoided.

An electroless disposable razor cleaning appliance employs rotational hydrodynamic cleaning action as applied to the blades and structural members of a multi-bladed disposable shaving instrument by employing standing water to create strong vortex shearing forces which remove all traces of foreign matter buildup.

The high-voltage line foreign matter removing device comprises a body and a removing assembly, an inlet is formed in the upper portion of the body, angle seats are arranged on the left side and the right side of the inlet, stand columns are arranged on the left side and the right side in the body, first elastic clamping blocks are arranged on the upper portions of the inner sides of the stand columns, and telescopic rods are arranged on the left side and the right side in the body; fixing plates are arranged on the inner sides of the telescopic rods correspondingly, spring assemblies are arranged on the inner sides of the fixing plates correspondingly, supports are arranged on the upper sides and the lower sides of the spring assemblies correspondingly, sleeve plates are arranged on the inner sides of the supports correspondingly, power boxes are arranged below the telescopic rods correspondingly, mechanical arms are arranged in front of the power boxes correspondingly, and mechanical claws are arranged on the inner sides of the mechanical arms correspondingly; a clearing assembly is arranged above the mounting base, and a second elastic clamping block is arranged on the outer side of the clearing assembly; the cleaning device has the advantages of being simple in structure, convenient to use, good in cleaning effect and high in cleaning speed.

The invention discloses a washable filter core comprising a filter core body being composed of a filter core and a water collecting device connected to the bottom of the filter core to form a rotational connection between the filter core and the water collecting device. The water collecting device is horn-like in shape with a horn-like mouth being connected to the bottom of the filter core. By means of the washable filter core, foreign matters in the filter core can be flushed out while waste water after stirring and washing can flow into the water collecting device and is easy to discharge.