28results about How to "Guaranteed long-term use effect" patented technology

The invention discloses a self-adaptive music synthesis sleep aiding method and system based on physiological feedback. The method comprises the following steps: acquiring physiological data of a user; preprocessing the physiological data; evaluating the sleep state of the user based on the preprocessed physiological data; defining a music parameter space according to the sleep state; optimizing music parameters based on the sleep state and the music parameter space; generating and playing music according to the optimized music parameters; while music is played, physiological reactions of the user are continuously monitored, music parameters are adjusted in real time based on the physiological reactions, and feedback circulation is formed; analyzing a long-term sleep pattern of the user based on the data obtained in the feedback loop; according to the long-term sleep mode, updating a music parameter space and an optimization strategy; security monitoring is executed, and intervention is carried out when an abnormal condition is detected; according to the invention, a plurality of key indexes such as sleep time, deep sleep proportion, sleep quality and the like are obviously improved.

The invention discloses a picture mounting metal outer frame laser cutting machine with a dust removal structure, and belongs to the technical field of laser cutting. The picture mounting metal outer frame laser cutting machine comprises a workbench and a portal frame capable of moving in the length direction of the workbench; a plurality of placement blocks are uniformly arranged on the upper surface of the workbench in the length direction, placement grooves are formed in the placement blocks, an air suction purification mechanism is arranged on the portal frame and comprises two air suction pipes, and one ends of the two air suction pipes penetrate through the two sides of the portal frame correspondingly to be connected with air suction hoods; circular dustproof nets are arranged on the sides, close to each other, of the two air suction hoods; during cutting, according to different cutting directions, harmful gas generated by cutting can be effectively adsorbed and purified, metal dust is recycled, pollution to equipment and the environment is reduced, and resource waste is reduced.

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 utility model relates to a self-sealing filler structure of a molten salt valve. Comprising a lengthened support, a valve rod and a valve body, a center hole is formed in the upper end of the valve body, the valve rod is located in the center hole of the valve body, the lengthened support is connected to the valve rod in a sleeved mode, the lower end of the lengthened support is connected with the upper end of the valve body through a bolt, an upper stepped hole is formed in the upper end of the center hole, and an elastic piece connected to the valve rod in a sleeved mode is installed at the bottom in the upper stepped hole. The upper end of the elastic piece is provided with a packing seat ring connected to the valve rod in a sleeving mode, and the upper end of the packing seat ring is provided with a plurality of packing layers. Due to the fact that the multiple layers of packing are arranged, after the first layer of packing loses efficacy, other layers of packing can still play a sealing role, the upper end of the elastic piece exerts pressure upwards on the packing seat ring, the packing seat ring transmits the pressure to the multiple packing layers, the sealing performance between the multiple packing layers and the valve rod is enhanced, molten salt can be effectively prevented from leaking, and the sealing effect is good. The long-term use effect of the filler is ensured, and the service life of the molten salt valve is greatly prolonged.

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 is suitable for the technical field of kitchen tools, and provides a meat quality detection device, which comprises a shell, a detection device and a control device, the detection head is inserted into the socket and is provided with a plurality of detection electrodes; the grip is fixedly arranged on the detection head and is provided with a lead; the scrubbing mechanism is arranged on the inner wall of the shell and is used for scrubbing the detection head and the plurality of detection electrodes; and the water spraying mechanism is arranged on the scrubbing mechanism and is used for spraying cleaning liquid to the detection head and the plurality of detection electrodes. According to the meat quality detection device provided by the scheme, water-injected meat can be detected and judged, and the detection head and the detection electrode can be cleaned after detection is completed, so that the detection head and the detection electrode are relatively convenient to clean.

The invention provides a preparation method of fibers with efficient photo-thermal heating and heat preservation functions, which comprises the following steps of: preparing Cu2S micro-nano hybrid particles with ultra-small particle size by a template load growth method, and preparing ethylene glycol slurry of the Cu2S micro-nano hybrid particles with small particle size and high dispersion by a wet grinding synchronous modification technology; the preparation method comprises the following steps: proportionally adding ethylene glycol slurry into a polyester polymerization reaction kettle, carrying out in-situ polymerization to prepare a PET / Cu2-xS nano composite material with efficient photo-thermal heating, and preparing hollow fibers with high hollowness by adopting a melt spinning method. The functional fiber prepared by the invention has heating and thermal insulation properties, and can realize 10-20 DEG C of light absorption heating, 0.9-0.98 of far infrared emissivity and 2.0-3.0 DEG C of far infrared radiation temperature rise, and the prepared fabric still has good breaking strength, weaving characteristic and excellent washability.

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 decorating part is detachably connected with a rope belt of the clothes, and the decorating part is characterized in that a first clamping part is provided with at least one first clamping groove, and the first clamping groove is provided with a through first groove channel suitable for the rope belt to slide relative to the first clamping part after the rope belt penetrates through the first groove channel; the second clamping part is provided with at least one second clamping groove matched with the first clamping groove, and the second clamping groove is provided with a through second channel; the second clamping part is in sliding connection with the first clamping part, and the second clamping part slides at a first position where the first channel is separated from the second channel and a second position where the first channel is overlapped with the second channel relative to the first clamping part; and the elastic part is arranged between the first clamping part and the second clamping part so as to drive the second clamping part to stop at the first position. The utility model provides a decorating part and clothes thereof, the decorating part can be stably fixed on a rope belt, is not easy to fall off or move in use, solves the problem that the rope head cannot pass through the rope belt due to overlarge size, and is easy to mount and dismount.

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 invention provides a shaver cleaning base, and belongs to the technical field of shavers, the shaver cleaning base is provided with a cleaning mechanism, a shell, a connecting assembly and a magnet; the cleaning mechanism comprises a water tank, a driving part, a splashing water pipe, a containing cavity, a backflow hole, a backflow channel and an overflow hole. The water tank is arranged below the containing cavity, the overflow hole is formed in the inner wall of the containing cavity, the diameter of the water tank is larger than that of the containing cavity, the driving part is arranged between the containing cavity and the water tank, and the splashing water pipe is located above the driving part. One end of the driving part is located in the water tank; a shaver head is placed in the accommodating cavity; the driving piece sprays water in the water tank into the containing cavity through the splashing water pipe. The problems that after a shaver head is used, beard residues and other dirt are often accumulated, and the manual cleaning effect is possibly poor or time and labor are wasted can be solved.

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 invention provides a large-flow ambient air particulate matter rectangular filter membrane cutter which comprises a base and a cutting cover. A rectangular frame is arranged on the base; a clamping groove is formed in the frame; a cylinder is arranged in the center of the cutting cover, a cutting reserved opening is formed in the lower portion of the cylinder, a cover plate is arranged in the middle of the cylinder, a groove is formed in the lower portion of the cover plate, and different numbers of ceramic blades are placed in the groove according to different cutting requirements. According to the device, multiple cutting modes are adopted, the rectangular filter membrane can be accurately divided into different parts by selecting different blades through the eight-part cutting reserved opening of the first cutting cover and the #-shaped cutting reserved opening of the second cutting cover, and the accurate requirement for filter membrane cutting in experiment and practical application is met; the device is used for precisely dividing the large-flow ambient air rectangular filter membrane into two parts, three parts, four parts, eight parts and nine parts, the filter membrane can be conveniently and rapidly cut, the experiment efficiency is improved, and the experiment error in the pretreatment stage is reduced.

The utility model relates to the field of tail gas waste heat recovery, and discloses an epitaxial furnace tail gas waste heat recovery device which comprises a waste heat recovery body, a hot outlet end is arranged at the top of the waste heat recovery body, a cold outlet end is arranged on one side of the hot outlet end, and a set of collecting assemblies are arranged on the two sides of the waste heat recovery body. One collecting assembly is fixedly connected with a tail gas collecting end, the other collecting assembly is fixedly connected with a cold gas inlet end, and a cleaning mechanism is arranged in the collecting assembly, so that the extension furnace tail gas waste heat recovery device is provided, particulate matters such as silicon dust and arsenic dust can be attached to the inner wall of a gas inlet pipeline of the waste heat recovery device, and the pipeline is blocked; and the waste heat recovery efficiency is influenced.

The utility model discloses an intelligent washing machine piston pump, which relates to the technical field of piston pumps and comprises a piston pump body and a top cover, an intelligent driving component is mounted in the top cover, and a dismounting mechanism is arranged between the piston pump body and the top cover. The disassembling and assembling mechanism comprises two limiting grooves formed in the upper surface of the piston pump body, and two sliding grooves are formed in the bottom face of the top cover. The top cover can be conveniently disassembled and assembled above the piston pump body through the disassembling and assembling mechanism, extra tools are not needed in the process of disassembling and assembling the top cover, the situation that an assembly connected in a disassembling and assembling mode is too small in size and prone to being lost is avoided, the disassembling and assembling process of the device is effectively optimized, and the assembling and disassembling efficiency of the device is improved. A worker can conveniently and regularly clean the interior of the piston pump body and maintain the top cover, the maintenance efficiency is improved, and meanwhile the long-term use effect of the intelligent washing machine is guaranteed.

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 invention discloses a ceramic composite armor and a preparation method thereof. The composite armor comprises a covering layer, a bullet facing surface splicing layer, a buffer layer and an anti-splashing layer. The covering layer and the buffer layer are made of a high borosilicate glass material, the bullet facing surface splicing layer is made of a magnesium aluminate spinel ceramic material, and the anti-splashing layer is made of a polycarbonate (PC) material; the covering layer and the bullet facing surface splicing layer, the bullet facing surface splicing layer and the buffer layer, and the buffer layer and the anti-splashing layer are bonded through polyurethane bonding materials, and the bonding materials are bonded with the base materials on the two sides through a vacuum thermal compounding technology; and the bullet facing surface splicing layer adopts a T-shaped joint combination or a cross-shaped joint combination of square ceramic modules, and the ceramic modules are bonded by adopting modified OCA (Optical Clear Adhesive) through a vacuum laminating process. The transparent composite armor with the structure has the characteristics of effectively providing good protection performance, reducing the damage area, increasing the visual area and the like.

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 invention discloses a drying device for electronic component production and a drying process thereof, and relates to the technical field of electronic component drying. The drying device for electronic component production comprises a heating mechanism, the heating mechanism comprises an outer cover and a heating cage located in the outer cover, a venturi air pipe is arranged outside the outer cover in the radial direction, and heat carried when airflow passes through the heating cage is sprayed out of the venturi air pipe; the drying device comprises an outer cover, a venturi air pipe, a heating mechanism and a storage mechanism, the heating mechanism is arranged on the outer cover, the storage mechanism is located on the periphery of the outer cover and used for storing electronic components, and hot air sprayed out of the venturi air pipe is sprayed to the electronic components in the storage mechanism. According to the electronic component drying device, the number of electronic components dried at a time can be greatly increased, so that the drying efficiency is improved, and used hot air with high humidity can be recycled through the arrangement of the Venturi air pipe.

The utility model relates to the technical field of mouse pads, and discloses a passive cool allochroic silica gel mouse pad which comprises a mouse pad body, and the mouse pad body comprises a middle elastic layer and a bottom wear-resistant layer; the middle elastic layer and the bottom wear-resistant layer are sequentially glued to the bottom of the mouse pad body, and the top of the mouse pad body is coated with a temperature-sensitive color-changing capsule; the temperature-sensitive color-changing capsules, the phase-change energy-storage microcapsules and other technologies are introduced, the temperature adjusting and color-changing reminding functions of the mouse pad are achieved, more comfortable and interesting use experience is brought to a user, in addition, the durability and stability of the mouse pad are fully considered through selection of the middle elastic layer and the bottom wear-resisting layer, and the mouse pad is convenient to use. The long-term use effect of the mouse pad is ensured, meanwhile, the glue storage groove formed in the bottom wear-resistant layer can effectively increase the adhesion area, the connection stability between the layers of the mouse pad is enhanced, and the situation that the layers fall off or are separated in the use process is avoided.

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.