15results about How to "Guaranteed long-term use effect" patented technology

The invention relates to the technical field of brain-computer interfaces, in particular to an emotion perception interaction method and system for a brain-computer interface earphone, and the method comprises the following steps: obtaining an electroencephalogram signal and a voice signal of a user; preprocessing the electroencephalogram signal and the voice signal; electroencephalogram features are extracted from the preprocessed electroencephalogram signals, and voice features are extracted from the preprocessed voice signals; performing multi-modal feature fusion based on the electroencephalogram features and the voice features to obtain fusion features; identifying an emotional state of the user based on the fused feature; adjusting earphone output parameters according to the emotional state; obtaining user feedback; and updating the model based on user feedback; the deep fusion of the electroencephalogram and the voice signal is realized through the innovative DAMCLN algorithm, and the accuracy of emotion recognition is remarkably improved. Test results show that the emotion recognition accuracy of the method reaches 92.5% and is far higher than that of the prior art; intelligent parameter adjustment based on the emotional state of the user is realized, and the score of the user reaches 8.7.

The invention discloses a photovoltaic panel surface dust deposition resistant coating and a preparation method thereof, and belongs to the technical field of new materials. The dust deposition resistant coating for the surface of the photovoltaic panel is prepared from the following raw materials in percentage by mass: 1 to 8 percent of FEP, 3.5 to 7.5 percent of nano indium tin oxide, 0.08 to 0.8 percent of a surfactant, 0.02 to 0.5 percent of FC-4 and the balance of a solvent. When the anti-dust deposition coating is applied (sprayed) to the surface of a photovoltaic panel, an FEP-nano indium tin oxide composite coating can be formed, and the coating can show lasting anti-pollution ability and is easy to clean. When the photovoltaic cell coated with the special coating is used in a dusty environment, compared with a photovoltaic cell without a coating or only with a traditional antireflection coating, the photovoltaic cell coated with the special coating has unique advantages.

The utility model discloses a hearing aid anti-loss rope, and belongs to the technical field of medical auxiliary tools. According to the utility model, the problems of complex operation, inconvenient wearing and the like of hearing aid anti-lost measures in the prior art are solved. The device comprises a neck connecting rope and a hearing aid connecting rope, the middle of the neck connecting rope is connected with the middle of the hearing aid connecting rope, one end of the neck connecting rope is detachably connected with the other end of the neck connecting rope, and a left connecting piece and a right connecting piece which are the same in structure are arranged at the two ends of the hearing aid connecting rope respectively. The left connecting piece comprises a plurality of elastic rings which are sequentially arranged on the hearing aid connecting rope, the elastic rings can be arranged on the hearing aid in an interference sleeving mode, fixing rings are arranged on the two sides of the joint of the neck connecting rope and the hearing aid connecting rope, and the neck connecting rope and the hearing aid connecting rope are sleeved with the fixing rings; and the neck connecting rope and the hearing aid connecting rope are connected in a sliding manner. The hearing aid is simple in structure, convenient to wear, high in comfort level and capable of effectively preventing the hearing aid from being lost.

This utility model discloses a dry laminating machine for processing packaging materials, relating to the field of packaging material processing technology. The utility model includes a base plate and a coated roll, the base plate serving as a substrate to support the overall device; a cleaning section mounted on top of the base plate, used for adjusting and cleaning the coated portion; and a processing section mounted on top of the base plate, used for processing the packaging material. This utility model, by incorporating an adjustment component, can drive a motor to rotate a rotating rod and a connecting plate. When the connecting plate rotates to a specified angle, a corresponding flattening roller contacts the coated surface of the coated roll, causing the flattening roller to compress the coated roll and generate pressure, thus adjusting the coating thickness according to different processing requirements, greatly improving production flexibility and product quality.

The application relates to the technical field of temperature-sensitive control, in particular to an automatic reset type temperature-sensitive control device, which comprises a device main body, rotating boxes are fixedly connected to the two sides of the device main body, an alternating heat conduction mechanism is arranged in the rotating boxes, the alternating heat conduction mechanism comprises heat insulation plates which are slidingly connected in the rotating boxes, left plates and right plates are fixedly connected to the two sides of the heat insulation plates, left heat conduction fins are slidingly connected to the end portions of the left plates, when the electrical equipment is damaged to cause abnormal temperature rise, the bimetallic strip is bent greatly when sensing the continuous high temperature, at the moment, the pressure rod drives the bimetallic strip to move downwards and is separated from the right heat conduction fin, the continuous transmission of the heat source to the bimetallic strip is cut off, plastic deformation of the bimetallic strip beyond the elastic bending limit is avoided, the bimetallic strip can be normally reset when the temperature falls back, and the long-term use performance of the bimetallic strip is ensured.

The invention discloses a film-forming lubricating wear-resistant lead screw working fluid and a preparation method thereof. The processing liquid is prepared from the following components in parts by weight: 12 to 28 parts of surface modified nano nickel ferrite, 2.5 to 8.5 parts of ferroferric oxide, 6 to 15 parts of a compound adhesive, 8 to 22 parts of a compound dispersant, 0.8 to 3.2 parts of a compound antioxidant and 50 to 99 parts of base oil. The preparation method comprises the steps of step-by-step modification, ultrasonic dispersion and high-shear homogenization. Through a magnetic synergistic lubrication system and a rapid film forming technology, the technical problems of insufficient lubrication performance, poor wear resistance and difficult film forming of the traditional screw rod working fluid are solved. Compared with the traditional cutting fluid, the optimal embodiment of the invention realizes the remarkable effects that the friction coefficient is reduced by 57.1%, the tool wear is reduced by 42.5%, the surface roughness is improved by 60.4%, and the dispersion stability exceeds 30 days.

The invention relates to the technical field of temperature-sensitive control, in particular to an automatic reset type temperature-sensitive control device which comprises an equipment body, a bimetallic strip is installed in the equipment body, alternating boxes are fixedly connected to the two sides of the equipment body, and alternating heat conduction mechanisms are arranged in the alternating boxes. The alternating heat conduction mechanism comprises a heat insulation plate slidably connected to the interior of the alternating box, the two sides of the heat insulation plate are fixedly connected with a left plate and a right plate correspondingly, and the end of the left plate is slidably connected with a left heat conduction piece. When the bimetallic strip is greatly bent after sensing continuous high temperature, the pressing rod can drive the bimetallic strip to move downwards and be separated from the right heat conducting strip, continuous transmission of a heat source to the bimetallic strip is cut off, the bimetallic strip is prevented from exceeding the elastic bending limit and generating plastic deformation, it is ensured that the bimetallic strip can be normally reset when the temperature falls back, and the long-term use performance of the bimetallic strip is guaranteed.

The earphone adjusting structure comprises an adjusting box body and an adjusting part, the inside of the adjusting box body is provided with a first sliding cavity and a second sliding cavity, the adjusting part is provided with a first adjusting rod, a second adjusting rod and an intermediate connecting rod, the first adjusting rod is slidingly arranged in the first sliding cavity, and the second adjusting rod is slidingly arranged in the second sliding cavity; the inner wall of the first sliding cavity and the inner wall of the second sliding cavity are both provided with an anti-skid layer; the inner wall of the first sliding cavity and the inner wall of the second sliding cavity are both provided with the anti-skid layer, so that when sweat and grease enter the first sliding cavity or the second sliding cavity, the grease and the sweat cannot be attached to the anti-skid layer of the first sliding cavity and the anti-skid layer of the second sliding cavity, the adjusting failure caused by excessive sliding is avoided, and the stability of the earphone adjusting structure is ensured.

The invention relates to a soluble suppository booster, in particular to a soluble suppository booster, and aims to provide a soluble suppository administration device which is convenient, safe and accurate. The booster comprises key components such as a pipe barrel mechanism, a limiting ring disc and a piston mechanism. A storage chamber is formed in the pipe barrel mechanism and used for containing suppositories, and scale marks are arranged on the outer wall of the storage chamber so that the dosing depth can be conveniently controlled. The limiting ring disc is adjustably arranged on the outer side of the pipe barrel mechanism in a sleeving mode and used for limiting the insertion depth during drug administration. The piston mechanism comprises a supporting rod, a piston, a circular truncated cone and a finger stall, the piston slides in the tube barrel mechanism by being held and pushed by the finger stall, and the suppository is pushed to slide into the rectum along the inner wall of the tube barrel for administration. By accurately controlling the dosing depth and the pushing force, the dosing accuracy is improved; meanwhile, due to the design of the silica gel sleeve and the silica gel sheet, the use comfort is improved; the arrangement of the thumb ring sleeve and the finger sleeve is convenient for the patient to hold by himself / herself.

The utility model discloses an elevator water-avoiding and damage-preventing device, which belongs to the technical field of elevator equipment and comprises an elevator shaft, an elevator is mounted on one side of the elevator shaft, an elevator bottom plate is fixedly connected to the lower end of the elevator, a groove is arranged in the middle of the lower end of the elevator bottom plate, and a pressure device is fixedly connected to the lower end of the elevator bottom plate at the upper end of the groove. A plurality of first regular flow guide grooves are formed in the inner surface of the lower end of the elevator shaft, one ends of the first regular flow guide grooves are in through connection with second flow guide grooves, one sides of the second flow guide grooves are in through connection with a water storage tank arranged on one side of the bottom end of the elevator shaft, a connecting hole is formed in one side of the bottom end of the water storage tank, and a U-shaped pipe is fixedly connected into the connecting hole. Through the arrangement of the pressure device, whether water is accumulated at the bottom of the elevator shaft or not is measured, and through the design of the U-shaped pipe, the accumulated water in the water storage tank can be removed only by removing water in the external water tank in time, so that the practicability of the water-avoiding and damage-preventing device for the elevator is improved.

The invention discloses a reinforcing structure and a reinforcing method for a shield tunnel, a first jet grouting pile group comprises a plurality of first jet grouting piles, part of structures of the first jet grouting piles are located above the shield tunnel, and the other part of structures of the first jet grouting piles are located on the side of the shield tunnel; the supporting pile set comprises first supporting piles and second supporting piles, the first supporting piles are located below the shield tunnel, the second supporting piles are located below the shield tunnel, and the second supporting piles are arranged on the two sides of the first supporting piles. Therefore, the partial structure of the first jet grouting pile is located above the shield tunnel, and the first supporting pile and the second supporting pile are both located below the shield tunnel, so that reinforcing combination of an upper soil body and a lower soil body of the shield tunnel can be achieved, soil body deformation in the shield tunnel construction process is effectively controlled, the stability of the excavation face of the shield tunnel is improved, and the construction efficiency of the shield tunnel is improved. After-construction settlement of the shield tunnel is reduced, the construction quality of the shield tunnel is improved, the long-term use performance of the shield tunnel is guaranteed, and the reinforcing structure is convenient to construct and low in construction difficulty.

The utility model belongs to the technical field of cables, in particular to a fire-resistant power cable, which comprises a cable core, an inner coating layer and an outer coating layer, a graphene layer which gathers heat and transmits the heat outwards is arranged in the inner coating layer, a heat dissipation pad which dissipates the heat outwards is arranged on the outer layer of the graphene layer, and the outer side of the heat dissipation pad is of a honeycomb structure so as to promote heat emission. The outer side of the cable core is provided with a clamping pad for installing a heat dissipation pad, the clamping pad, the graphene layer and the heat dissipation pad are assembled before extrusion production of the cable core, and the inner side of the outer coating layer forms an inner convex layer during extrusion production to separate the adjacent clamping pads and form reinforcement to prevent deformation of the clamping pads. According to the utility model, when heat is generated in the cable, the heat can be rapidly collected and discharged outwards, so that the long-time use performance of the cable is maintained, the condition that the coating assembly is affected by the heat and is aged is avoided, the service life of the cable is prolonged, and the adaptability of the cable to severe environments is improved.

The utility model belongs to combustion technical field, specifically discloses a kind of furnace head assembly, combustion device and gas cooking utensil.Furnace head assembly includes hearth and lifting assembly.Hearth has central ejection passage and vertically arranged central vent pipe, and the outlet end of central ejection passage is communicated with the lower end of central vent pipe;Lifting assembly includes lifting sleeve and rotating piece, lifting sleeve is slidably sleeved on the outside of central vent pipe and upper end is not lower than the upper end of central vent pipe, and the upper end of lifting sleeve is used to install central burner, rotating piece is rotatably hinged to hearth about horizontal axis, and rotating piece has counterweight portion and push portion respectively located on the opposite sides of horizontal axis, and the upper side of push portion is in contact with lifting sleeve, and counterweight portion is used to always exert the moment of force that makes push portion have upward movement tendency.The utility model can guarantee that the flame at central burner is attached to cooking utensil, and improve the use reliability and use experience of combustion device.

The utility model is suitable for molybdenum alloy top head forming technical field provides a kind of for the forming device of molybdenum top head, including conical shell, the conical shell is inlaid with the conical forming die extending into its inside, vertical forming die is provided on the conical shell, threaded ring is provided on the conical shell, the outer surface of the conical shell in conical shell is equipped with the cooling copper pipe of spiral setting, the upper surface of threaded ring is provided with butt joint groove, the upper end of cooling copper pipe is penetrated into butt joint groove, the inside of vertical forming die is hollow, the inner wall of vertical forming die close to center is also equipped with the cooling copper pipe of spiral setting, the device is equipped with the cooling copper pipe of spiral setting, so cooling water flows in cooling copper pipe, can increase the cooling area of vertical forming die and conical forming die, the problem of uneven cooling of molybdenum top head is avoided as far as possible, to guarantee the cooling effect of molybdenum top head.

The application relates to the field of outer wall decorative plate manufacturing, in particular to an antibacterial and antiviral spray type super-high-performance decorative concrete and a preparation method thereof, raw materials of the concrete include dry powder materials (containing 40-45 parts of PW52.5 white portland cement, 0.5-1.0 parts of inorganic zinc oxide antibacterial agent and the like) with a specific ratio, 0.9-1.0% of liquid polycarboxylic acid water reducing agent of the total mass of the dry powder materials and 5.8% of alkali-resistant continuous glass fiber coarse sand of the wet mixing material mass, and the water amount is 11-13% of the dry powder materials; the concrete is prepared by using a GRC small numerical control spraying machine through a spraying method of dry powder stirring, spraying preparation, 1-5mm surface layer spraying, structure layer spraying compaction and final surface smoothing; the concrete has a compressive strength of >120MPa and a flexural strength of >12MPa, is suitable for manufacturing of complex 3D curved surface UHPC decorative plates, reduces the mold cost, has excellent antibacterial and antiviral performances and is beneficial to human health.