100results about How to "Accelerate the loss" patented technology

The invention relates to the field of diamond tools, and particularly discloses a matrix material for a diamond tool bit, a sharp diamond uniformly-distributed saw blade and a preparation process of the sharp diamond uniformly-distributed saw blade. The matrix material for the diamond tool bit comprises the following raw materials in percentage by weight: 50-60% of dendritic electrolytic copper powder, 20-40% of copper-tin alloy, 0-5% of cobalt powder, 0-15% of tin powder and 5-10% of iron powder. The diamond saw blade comprises a disc-shaped base body and a diamond tool bit, and the circumferential face of the diamond tool bit is sunken inwards. The diamond tool bit is provided with two drainage grooves penetrating through the surface of the diamond tool bit, the two drainage grooves intersect or are parallel, the intersection point is located on the side, close to the disc-shaped base body, of the diamond tool bit when the two drainage grooves intersect, and a U-shaped groove is formed in the circumferential face, away from the disc-shaped base body, of the diamond tool bit. The matrix material is high in holding force on diamond particles, and accurate positioning can be achieved; in addition, the diamond saw blade is high in cutting efficiency and good in sharpness and self-sharpening performance.

The invention relates to the technical field of environment-friendly material preparation and water treatment, and particularly discloses a recycling method for producing a porous water treatment filler by using sludge and red mud. The raw material formula is optimized, and the red mud, the sludge, the tourmaline powder, the medical stone powder and other components are selected to jointly form the base material. The filler prepared according to the method provided by the invention not only realizes recycling of solid wastes such as sludge and red mud, but also has an ideal pore structure, can be in full contact with sewage, and is beneficial to improving the sewage treatment efficiency. Meanwhile, mullite, aluminum borate, tridymite and part of minerals in the red mud and clay materials are utilized to jointly form a framework structure of the filler, the mechanical performance of the filler is improved, the filler is not prone to damage in the using process, and the defects in related technologies are overcome.

The invention belongs to the technical field of metal part machining equipment, and particularly relates to a metal part welding device which comprises a straight seam welding machine body, a linear driving assembly and a connecting plate, and a fixing assembly is arranged at the left end of the straight seam welding machine body; the welding mechanism comprises a mounting seat mounted on the connecting plate, and a welding head is mounted on the mounting seat; the auxiliary mechanism comprises an air injection part rotationally arranged on the outer ring of the welding head, and a driving part and a cooling part are further fixedly installed on the welding head; and the preheating mechanism comprises a gas conveying part arranged on the side face of the straight seam welding machine body, plugging parts are arranged on the top face of the straight seam welding machine body in an array distribution mode, and a control part is arranged on the mounting base. By integrating inert gas protection, efficient cooling and intelligent preheating functions, the welding quality and production safety are remarkably improved, and meanwhile the high-precision and efficient automatic welding process is achieved.

The invention discloses cooking equipment, a control method and device thereof and a storage medium, the cooking equipment comprises a microwave module and an air frying module, the method comprises the steps that characteristic parameters of food materials and cooking stages of the cooking equipment are obtained, and the cooking stages comprise a coloring and crusting stage and a high-temperature heating stage which are sequentially and alternately arranged; determining cooking parameters of the cooking equipment according to the characteristic parameters of the food materials; and controlling the microwave module or the air frying module to work according to the cooking stage and the cooking parameters. Therefore, the microwave module and the air frying module are controlled to alternately work, so that under the action of the air frying module, the temperature of air in the cooking equipment is gradually increased, a layer of crispy skin is gradually formed on the outer surface of the food material, meanwhile, under the action of the microwave module, moisture in the food material quickly absorbs energy, the overall temperature is increased, and central moisture is quickly dissipated; therefore, the cooking effect of crispy outside and tender inside is realized while the dehydration speed of the food materials is accelerated and the cooking time is shortened.

The invention relates to a high-temperature-resistant high-thermal-conductivity single-component epoxy pouring sealant and a preparation method thereof, and the high-temperature-resistant high-thermal-conductivity single-component epoxy pouring sealant comprises the following components: 1-10 parts of modified high-temperature-resistant epoxy resin, 0.5-5 parts of modified core-shell epoxy resin, 90-98 parts of thermal conductive powder, 0.5-5 parts of a phenyl-containing diluent, 10-50 parts of a dicyandiamide curing agent, 0.1-1 part of a powder dispersant and 0.1-2 parts of an accelerant. The modified high-temperature-resistant epoxy resin is obtained by grafting phenolic resin to epoxy resin. And dispersing the organic silicon core-shell nanoparticles in epoxy resin to obtain the modified core-shell epoxy resin. When the epoxy pouring sealant is prepared, a small amount of modified resin is added, and the dicyandiamide curing agent, the phenyl-containing diluent and different types of heat-conducting powder are matched, so that the heat stability of the epoxy pouring sealant can be remarkably improved.

The utility model discloses a casting production device for valve casting, which comprises a lower die, an upper die is arranged at the top of the lower die, a casting gate is arranged in the middle of the top surface of the upper die, and a die cavity is arranged in the middle of the top surface of the lower die; the inner side of the bottom of the lower die penetrates through a bearing left and right to be connected with a rotating rod, the middle of the rotating rod is connected with a screw rod through a conical tooth connecting piece, and the screw rod is in threaded connection with a die outlet plate; a cavity is formed in the inner side of the bottom of the lower mold, and knocking rods are slidably connected into the cavity at equal intervals in a penetrating mode. And a heat dissipation cavity is formed in the top of the inner side of the lower mold and surrounds the outer side of the mold cavity, cooling pipes are laid on the inner wall of the heat dissipation cavity, and heat dissipation fans are installed in the middles of the left side and the right side of the heat dissipation cavity at equal intervals. When the casting production device for valve casting is used, a formed valve can be subjected to mold stripping treatment conveniently and rapidly, and the cooling speed of a model is increased in a water cooling and air cooling mode.

The invention relates to the technical field of water-cooling copper mold pouring, and particularly discloses a liquid level stable bottom pouring type water-cooling copper mold aluminum alloy cast ingot preparation device and method.The liquid level stable bottom pouring type water-cooling copper mold aluminum alloy cast ingot preparation device comprises two water-cooling copper molds and a pouring cup, handles are fixedly connected to the two sides of the pouring cup, and a pouring opening and a forming cavity are formed in one side of each water-cooling copper mold; the two sprue gates and the forming cavity are correspondingly arranged; according to the cooling device disclosed by the invention, cooling water in the cooling cavity can be stirred up and down under the action of forming a plurality of flowing holes in the arc-shaped net plate, so that the cooling water sufficiently flows, the water flow speed can be increased by stirring, and the residence time of the cooling water and the inner wall surface of the cooling cavity is shortened; therefore, the cooling efficiency of the cooling water on the mold liquid in the sprue gate and the forming cavity is improved, the mold liquid can be rapidly cooled and formed under the action of the cooling water, the defects of oxide inclusion, air holes and the like in a cast ingot are avoided, the liquid level of the mold liquid is more stable during pouring, and the metallurgical quality of the alloy cast ingot is improved.

The invention relates to the technical field of DNA detection, and discloses a PCR amplification device which comprises a temperature control box and a heat preservation mechanism, a heating cavity is formed in the upper end of the temperature control box, a sample supporting plate is arranged at the top of the heating cavity, and a high-temperature chamber and a low-temperature chamber are arranged on the side, close to the bottom of the temperature control box, of the heating cavity; the high-temperature chamber is communicated with the heating cavity through a first water outlet formed in the bottom of the heating cavity, the low-temperature chamber is communicated with the heating cavity through a second water outlet formed in the bottom of the heating cavity, a first switch mechanism for controlling the first water outlet to be opened and closed is arranged on the temperature control box, and a second switch mechanism for controlling the second water outlet to be opened and closed is arranged on the temperature control box; the high-temperature chamber is communicated with the heating cavity through a first water pump, the low-temperature chamber is communicated with the heating cavity through a second water pump, the heating cavity is communicated with an air cooling mechanism, and the air cooling mechanism is used for pumping external air into the heating cavity to cool the sample tube. The method has the effect of improving the PCR amplification efficiency.

The utility model discloses an airless portable spray gun, which solves the problem that the spraying effect is influenced by the movement frequency of a piston in the existing airless portable spray gun. The airless portable spray gun comprises a machine shell, a liquid pot, a nozzle, a pump body, a driving mechanism and a liquid outlet valve, the nozzle is arranged at the front end of the machine shell, the pump body comprises a pump cavity, the liquid inlet end of the pump cavity is communicated with the liquid pot, and the liquid outlet end of the pump cavity is communicated with the liquid outlet valve through a first check valve. The liquid outlet valve comprises a valve body with a buffering cavity, a valve seat, a valve head and a spring, the valve seat, the valve head and the spring are arranged in the valve body, a liquid outlet hole communicated with the nozzle is formed in the valve seat, the spring acts on the valve body to close the liquid outlet hole, and the pump body extracts liquid from the liquid pot and presses the liquid into the buffering cavity. And after the pressure of the valve head in the buffer cavity exceeds the preset liquid outlet pressure, the valve head is opened, so that liquid in the buffer cavity is sprayed out of the nozzle through the liquid outlet hole.

The utility model belongs to the technical field of batteries, and discloses a drying device and coating equipment. The drying device comprises a box body assembly, a heating roller and a plurality of air boxes, the heating roller is rotationally connected to the interior of the box body assembly, the box body assembly is provided with a feeding port and a discharging port, the pole piece can enter from the feeding port, is wound on the peripheral side of the heating roller and extends out from the discharging port, and the heating roller can heat the pole piece; the multiple air boxes are arranged in the box body and face the heating roller, and each air box can blow air to the heating roller. According to the drying device and the coating equipment, the multiple air boxes are arranged in the box body assembly, air is blown to the pole pieces from the air boxes while the pole pieces are heated by the heating rollers, loss of moisture on the surfaces of the pole pieces is accelerated from the two aspects of temperature rise and air flow speed, and therefore the drying speed of the pole pieces can be increased.

The utility model discloses a combined feeder cabinet relates to the technical field of electric power equipment, the utility model discloses a feeder cabinet body, heat dissipation box and protective door still include: the one side of heat dissipation box upper end is provided with the chute, the inside slide of chute is connected with the slide, and the side end of slide is provided with adjusting mechanism, and the inside of heat dissipation box is provided with heat dissipation mechanism, and the inside of feeder cabinet body is provided with slide rod, and the outer wall of slide rod is equipped with the sleeve, and the inside fixed connection of feeder cabinet body has the sliding block, and the upper end sliding connection of sliding block has the assembly plate. Install the connecting rod, when the temperature of feeder cabinet body inside is too high, start motor, make its below heat dissipation fan operation, utilize heat dissipation fan to ventilate feeder cabinet body inside, and cooperate with the air -flow of ventilation baffle can accelerate feeder cabinet body inside, accelerate the heat loss of feeder cabinet body inside, and set up the dust screen of heat dissipation box's lower end dustproof air that enters to feeder cabinet body.

The utility model belongs to the technical field of poly V-belt production, and particularly relates to a vulcanizing device for poly V-belt production, which comprises an equipment body, a mounting frame is fixedly mounted in the middle of the top side of the equipment body, and an electric push rod is fixedly mounted at the top of the mounting frame. According to the cooling assembly, the cooling box is divided into the water cooling chamber and the air cooling chamber through the partition plate, the ultrasonic atomization spray head in the water cooling chamber can atomize circulating water into liquid drops, the liquid drops make full contact with the vulcanized high-temperature poly V-belt, rapid cooling is achieved through vaporization heat absorption, the air outlet scoop of the air cooling chamber sprays high-speed airflow to the belt body, surface heat loss is accelerated, and cooling efficiency is improved. The cleaning assembly drives a brush head to rotate reversely through a rotating rod driven by two sets of meshing gears in a cleaning box, the upper surface and the lower surface of the poly V-belt can be cleaned, a negative pressure fan adsorbs impurity particles generated in the cleaning process in real time through a negative pressure loop formed by a collecting barrel and a communicating pipe, secondary pollution is avoided, and the cleaning efficiency is improved. The detachable design of the filter cartridge and the sealing cover facilitates regular cleaning and maintenance.

The invention discloses a non-pairing cross-modal retrieval method based on entity semantic guidance and relation fusion. The method comprises the following steps: extracting entity image features and entity text features from an entity data set; obtaining an entity public semantic space through negative sample selection and intra-modal neighbor relation constraint based on the entity image features and the entity text features; based on the entity public semantic space, a high-confidence image-text pseudo-pairing set is obtained through a pseudo-pairing generation and screening method; on the basis of the high-confidence image-text pseudo-pairing set, relation information is captured and aligned through a relation fusion module, and a fused public semantic space is obtained; and calculating the similarity between the images and texts based on the fused public semantic space, sorting according to the similarity, and outputting a cross-modal retrieval result. Compared with other unpaired cross-modal retrieval methods, the method has the advantages that the performance is obviously improved, a space obtained by learning can accurately express data from a deeper level, and the whole method is better in interpretability.

The invention provides a processing method of sausages. The gradient drying technology is combined with static placement, so that moisture in the sausage body is accelerated to move outwards; loss of water on the surface of the sausage body is accelerated through gradient drying, meanwhile, low-temperature standing is conducted, so that water in the sausage body is accelerated to move outwards, the dehydration speed and the pickling speed are remarkably increased, and the hidden danger of microorganism growth and reproduction is reduced. The sausages prepared according to the technological process have the same appearance, color and form as sausages prepared in a traditional winter environment. The method for processing the sausages has the advantages of getting rid of the barrier that the sausages can only be processed in winter, and being high in mechanization degree, short in production period, high in production efficiency, controllable in microorganisms and the like.

The invention relates to the technical field of silencing equipment, in particular to a silencing device of a diesel generating set, which comprises a silencing box body internally provided with the diesel generating set, the silencing box body is formed by sleeving an outer layer box body outside an inner layer box body, and a cavity between the inner layer box body and the outer layer box body is subjected to vacuum treatment. A vacuum cavity is formed between the inner-layer box body and the outer-layer box body; the noise reduction mechanism comprises a plurality of noise reduction pipelines arranged on the inner-layer box body, the noise reduction pipelines are distributed on the inner-layer box body at different heights, each noise reduction pipeline is formed by communicating two symmetrically-distributed folded pipelines, the number of steering pipelines of the noise reduction pipelines is at least six, and the bottoms of the noise reduction pipelines are fixedly connected with guide pipelines; the cavity between the inner-layer box body and the outer-layer box body is subjected to vacuum treatment, so that a vacuum cavity is formed between the inner-layer box body and the outer-layer box body, transmission of sound waves is prevented, the sound waves can only be transmitted outwards through the silencing pipeline, and therefore noise is subjected to silencing treatment.

This invention discloses a self-lubricating, wear-resistant composite metal wire rope and its preparation method. The wire rope includes a core and at least one layer of strands twisted around it. The strands are formed by twisting multiple outer steel wires together. The core is made of a porous sintered metal material, with solid lubricant impregnated in its pores. Multiple micro-pits are formed on the surface of the outer steel wires through a composite process of electrodeposition and rolling. Liquid or semi-solid lubricant is stored in the pits, and micro-gaps are provided between adjacent strands and between the strands and the core. The preparation method includes: sintering of the gradient-pore core and vacuum impregnation with solid lubricant → pulse electrodeposition and rolling of the outer steel wire surface → filling with lubricant containing microcapsules, precise twisting and control of micro-gaps → pre-stretching and running-in to form an initial self-lubricating layer and depositing a diamond-like carbon or molybdenum disulfide composite film. This invention achieves three-level synergistic self-lubrication of "solid-liquid-film," eliminating the need for external oiling and comprehensively reducing friction and wear.

The utility model relates to the technical field of the slush, concretely is slush mould quick cooling structure. Slush mould quick cooling structure includes: base, liquid cooling assembly, liquid cooling assembly includes cooling bin and cooling water, and cooling bin sets up on the base, and the cooling water is placed in the cooling bin inside, wherein, the horizontal surface and the cooling bin top between cooling water reserve interval position, stand, stand is fixed in the top both sides of cooling bin. The utility model has the beneficial effect: this device adopts the cooling mode of liquid cooling and air cooling combination, in the liquid cooling stage, the mould is driven by the lifting assembly and carries the carrier frame to immerse in the cooling water in the cooling bin, realizes the quick preliminary cooling, in the air cooling stage, the mould is lifted to the cooling bin top reserve interval position by the lifting assembly, adopts the air cooling assembly to produce the positive pressure airflow again, further accelerates the heat loss of mould surface, and the synergies of two kinds of cooling modes shorten the cooling time of mould, and the production efficiency is improved obviously.

This utility model discloses a full-color LED large-screen display device, relating to the field of LED large screens. It includes an outer frame, with a display screen mounted on the front side of the frame. A mesh is installed at the bottom of the through-space of the outer frame, and a motor is installed above the mesh. A fan is connected to the output end of the motor. Air ducts are symmetrically arranged inside the outer frame, with air holes evenly spaced on both sides of the ducts. Heat-absorbing blocks are evenly spaced through the left and right sides of the outer frame, with through holes in the center of each block. Heat dissipation fins for auxiliary heat dissipation are evenly spaced on the back of the outer frame. During use, this full-color LED large-screen display device can evenly deliver air into the interior space of the large screen, and the internal heat is carried out to the outside through even airflow. Simultaneously, the heat-absorbing and guiding elements on the sides and the heat-absorbing and heat-dissipating components on the back can accelerate heat dissipation, thereby improving heat dissipation efficiency, extending the lifespan of the large screen, and preventing heat damage.

The utility model discloses a communication filter with protection and heat dissipation functions, relates to the technical field of heat dissipation of communication filters, and provides the following scheme that the communication filter comprises a filter plate and a sliding mechanism arranged at the top of the filter plate, the sliding mechanism comprises a working assembly and a sliding assembly, the working assembly comprises a handle, and the handle is arranged on the sliding assembly. A handle is arranged at the top of the filter plate, a fixing block is slidably connected to the outer wall of the handle, a first spring is fixedly connected to the inner wall of the fixing block, and a sliding block is slidably connected to the inner wall of the fixing block. The sliding block is retracted into the groove of the grip, the sliding block is ejected out, the filter plate is fixed and prevented from being ejected out according to the elastic force of the first spring, then the filter plate is inserted into the main body, the pushing block is pressed to move downwards, the sliding column is retracted into the groove, elastic support is provided by the second spring, and the filter plate can be ejected out and is convenient to replace.

The embodiment of the invention discloses a sensor program display method, device and system and a medium. The sensor program display method comprises the following steps: receiving a token stream text corresponding to a display image of a sensor program; analyzing the token stream text to obtain a drawing instruction and text information; generating a program image according to sensor parameter information, the drawing instruction and the text information; and sending the program image to an LED display screen for displaying. According to the sensor program display method provided by the embodiment of the invention, the effect that program playing is not easily influenced by upgrading is achieved.

The invention provides a temperature-based data storage method. The temperature-based data storage method comprises the following steps: detecting the current temperature of an SD (Secure Digital) card in real time; when it is detected that the current temperature of the SD card rises to a first temperature threshold value, switching the data storage mode into a cloud storage mode, and uploading the to-be-stored data to a cloud for storage through the cloud storage mode; when it is detected that the current temperature of the SD card drops to a second temperature threshold value, the data storage mode is switched to a local storage mode, and the to-be-stored data is written into the SD card to be stored through the local storage mode. By introducing a temperature detection mechanism and a storage mode switching strategy, the reliability and stability of data storage are improved, and the risk of data damage is reduced.

The invention relates to the field of eye-protection lamps, and discloses a brightness-adjustable eye-protection lamp for a computer, which comprises a protective cover, and the inner cavity of the protective cover is connected with a lamp holder; a fixing cover is arranged between the two lamp holders, and the left side and the right side of the fixing cover are fixedly connected with the lamp holders through a plurality of auxiliary rods correspondingly. The variable lamp tube mechanism is located in the fixed cover and rotationally connected with the fixed cover, and the variable lamp tube mechanism is used for changing the irradiation brightness of the lamp tube; the shielding and cleaning mechanism is fixedly mounted on the fixed cover and is used for shielding and cleaning the variable lamp tube mechanism; the automatic cooling mechanism is located between the protection cover and the variable lamp tube mechanism and used for accelerating air flow in the protection cover, and through back-and-forth driving of an arc-shaped frame, a first gear can rotate so as to act on a rotating pipe, so that the rotating pipe drives a first light-transmitting cover, a second light-transmitting cover, a third light-transmitting cover and a fourth light-transmitting cover to rotate; therefore, a user can conveniently use different color temperatures according to different environments, and the best eye protection effect is achieved.

The utility model relates to the technical field of heat exchange devices, in particular to a combustion-driven air cooler structure which comprises a rack and an air cooling assembly, and the air cooling assembly comprises an air blowing part, a support, a connecting shaft, a motor, a plurality of worm wheels and a plurality of shielding parts. The shielding part comprises a rotating shaft, shutter blades and a worm gear; the rotating shaft is rotationally connected with the rack and located on the side edge of the rack. The shutter blades are fixedly connected with the rotating shaft and located on the side edge of the rotating shaft. The worm gear is fixedly connected with the rotating shaft and is meshed with the worm; the air blowing part drives air to flow, heat dissipation is accelerated, and the air is blown out from gaps among the multiple shutter blades. The support is used for supporting the connecting shaft, the motor can drive the connecting shaft to rotate, the connecting shaft drives the multiple worms to rotate, the worms drive the worm wheels to rotate, the worm wheels drive the louver blades to rotate through the rotating shaft, and therefore the multiple louver blades can be conveniently controlled, and the louver can be conveniently opened and closed.

The utility model belongs to the technical field of aluminum rollers, and discloses an aluminum roller capable of preventing thermal spraying deformation, which comprises a roller sleeve, threads are arranged at two ends of the inner wall of the roller sleeve, connecting cylinders are in threaded connection with two ends of the roller sleeve, a limiting plate is integrally formed at one end, far away from the roller sleeve, of each connecting cylinder, and the limiting plate abuts against the corresponding side of the roller sleeve. An open hole is formed in the middle of the limiting plate, a connecting rod is fixedly inserted into the inner side of the open hole, an air hole communicating with the connecting cylinder is formed in the middle of the connecting rod, a plurality of supporting rods are annularly distributed and integrally formed on the side, away from the limiting plate, of the connecting cylinder, and the supporting rods abut against the corresponding side of the inner wall of the roller sleeve; and the connecting cylinder and the limiting plate as well as the connecting cylinder and the supporting rod are integrally formed by casting. By means of the scheme, the problem that although an existing aluminum roller can rapidly exhaust heat to prevent deformation during spraying, energy consumption is high due to the fact that an active heat dissipation mode is used for heat dissipation is solved.

The invention belongs to the technical field of neurosurgery, and discloses a neurosurgery skin preparation device which comprises a disinfection mechanism, the disinfection mechanism comprises a motor, the motor is rotatably connected with a first gear, and the side face of the first gear is meshed with a second gear; the side, away from the motor, of the second gear is fixedly connected with a first bevel gear, and the lower portion of the first bevel gear is meshed with a second bevel gear. Through cooperation of structures such as the rotating disc and the balls, the problem that the disinfectant is used excessively due to uneven manual smearing is solved, the disinfectant smears and disinfects the hair-removed skin through the balls, and due to the fact that the diameter of the rotating disc is equal to the length of the blade and the length of the sliding block, the operation is convenient. And meanwhile, the spring is arranged, so that the situation that the disinfectant overflows from the interior of the device when the device is not used and overflows excessively when the device is used, and consequently the disinfectant is wasted can be avoided.

The present invention belongs to the field of infrared image processing technology, and specifically relates to a method for dynamic range compression and display of infrared images based on local information amount statistical histogram. The main steps of the present invention are: statistical local information amount at different grayscales of high dynamic infrared images; statistical local information amount density at different grayscales; calculating the cumulative histogram of local information amount; high dynamic image mapping and compression to obtain the final low dynamic range image. The present invention fully considers the characteristics of small and weak targets with rich information but few pixels, and can effectively improve the problem of small and weak targets and weak information loss during dynamic range compression, and can also be applied to general image contrast enhancement.

The utility model relates to the technical field of stirring shaft sealing, in particular to a sealing structure for a stirring shaft of a filter, which comprises a shell, a stirring shaft, a gland, a filler, a cooling structure, an oil seal structure and a bottom bushing, the gland is mounted at the top of the shell, the filler is mounted at the bottom of the gland, the cooling structure is mounted on the inner wall of the shell, and the oil seal structure is mounted on the inner wall of the shell. An oil seal structure is mounted at the bottoms of the filler and the cooling structure, the filler and the oil seal structure are rotationally connected with the stirring shaft, and a bottom lining is mounted at the bottom of the oil seal structure. According to the utility model, the oil seal structure is arranged, so that the impact of materials on the filler can be reduced through the oil seal structure, the abrasion of particulate matters in the materials on the filler is reduced, the service life of the filler is prolonged, and the replacement frequency of the filler is reduced, thereby reducing the labor intensity of workers. The cooling structure is arranged, the cooling structure can help the filler to dissipate heat, heat dissipation is accelerated, and the service life of the filler is prolonged conveniently.

The utility model discloses a novel gas chromatograph-mass spectrometer sample introduction device, which relates to the technical field of sample introduction devices, and comprises an openable sample introduction box body, the sample introduction box body is provided with a sample introduction pipe and a sample discharge pipe which are arranged along the diagonal direction of the sample introduction box body, two partition plates which are parallel to each other and are used for separating space are arranged in the sample introduction box body, and the two partition plates are arranged in the sample introduction box body. A filter screen is detachably mounted on each partition plate, and a rotary cleaning mechanism which is in contact with the filter screen and is used for cleaning the filter screen is mounted on each partition plate; a temperature control mechanism is arranged on the front side of the sample injection box body. Revolution and rotation of the net cleaning brush roller are achieved through the rotary cleaning mechanism, the filter net is prevented from being blocked, the flow speed is guaranteed to be stable, refrigeration and heating are accurately controlled through the temperature controller, volatilization and degradation of flavor substances are reduced, the accuracy of experimental data is improved, in addition, the rotary cleaning mechanism can stir samples, promote convective heat exchange and improve heat exchange efficiency during cleaning, and the working efficiency is improved. And the sample can quickly reach the required temperature.

The utility model relates to the technical field of frying machines, in particular to an automatic pumpkin seed frying machine which comprises a machine body, a feeding port is formed in the top of the machine body, the bottom of the feeding port is fixedly communicated with a feeding pipe, a stirring assembly is arranged at the top of the machine body, the stirring assembly comprises a motor, and the motor is connected with the feeding pipe. The motor is fixedly connected to the top of the machine body, a first electric push rod is fixedly connected to the bottom of the motor, a first push rod is fixedly connected to the push end of the bottom of the first electric push rod, a stirring rod is fixedly connected to the bottom of the first push rod, and stirring blades are fixedly connected to the side surface of the stirring rod. According to the automatic stir-frying machine for the pumpkin seeds, through cooperation of the push rod, the stirring rod and the stirring blades, workers stir-fry the pumpkin seeds through the automatic stir-frying machine, manual operation is reduced, the condition that the pumpkin seeds are burnt or yellow is avoided by setting the temperature and judging the burnt condition through the automatic stir-frying machine, and the quality of the pumpkin seeds is improved.

This invention provides a bus filtering method for calibration, implemented on a bus filtering device used in calibration. One end of the bus filtering device is connected to the vehicle's CAN bus, and the other end is connected to a calibration device and a CAN controller. The method includes the following steps: detecting whether a calibration message generated by the calibration device during calibration of the CAN controller is received; if a calibration message is detected, forwarding the calibration message only to the CAN controller and blocking the forwarding of the calibration message to the vehicle's CAN bus. Implementing this invention can improve the situation of calibration message loss or untimely response during vehicle calibration, thereby improving calibration efficiency.