32results about How to "No impact resistance" patented technology

The invention discloses a composite phase-change energy storage material for microcapsules and a preparation method thereof. The coating of the microcapsule is made of silicon dioxide, and the core of the microcapsule is made of a phase-change energy storage material, wherein the phase-change energy storage material is a paraffin organic solid-liquid phase-change energy storage material. 0.2 to 0.5 wt.% of dispersed emulsifier, 52.5 to 62.5 wt.% of solvent water, 18.75 to 31.5 wt.% of phase-change energy storage material and 15.5 to 18.75 wt.% of inorganic silica source are matched and put into a reactor for stirring for 5 to 8 hours; the mixture is uniformly dispersed and emulsified at the temperature 3 to 8 DEG C higher than that for solid-liquid phase change; hydrochloric acid aqueous solution catalyst with the pH value of 0.93 to 4.07 or sodium hydroxide aqueous solution catalyst with the pH value of 8.0 to 12.0 is added into the emulsion; the reacting solution is naturally cooled to room temperature and precipitation solution is obtained; the precipitate is washed with the combination of water and petroleum ether, wherein the mass percent of the petroleum ether is 30 wt.%; then the precipitate is washed with deionized water and is filtered, and the product is naturally aired. The invention improves the technology of phase-change energy storage and conservation, and has the function of automatic temperature regulation, favorable physical and chemical stability, crack resistance, flame retardancy, wear resistance and high thermal conductivity.

The invention relates to an LED dimming device which is applicable to a controllable silicon dimmer. The LED dimming device comprises a rectifier, a fictitious load circuit, a zero-crossing detection circuit, a high frequency transformer, a main power supply drive integrated circuit, a secondary rectification and filter circuit, a secondary power supply drive integrated circuit and an average voltage detection circuit. The invention has the beneficial effect that the LED dimming device is capable of realizing the brightness adjustment of an LED lamp by the controllable silicon dimmer and has the advantages of good dimming effect, long service life, simple structure and environmental protection and energy saving.

The invention relates to a thyristor phase switch testing device, the comprehensive microprocessor and thyristor technique are used in the device; the projection angle of switch is operated by the drive pulse phase of the thyristor. The device includes: host CPU, acquisition circuit of input-output signal, switch power supply, input-output interface, touching screen communication, upper machine communication, CPLD signal processing circuit, thyristor trigger circuit, power return circuit and thyristor; the electrical signal transitive relation is: the thyristor trigger circuit triggers the thyristor, the signal is transmitted to the acquisition circuit, processed by the host CPU, and separately transmitted to the touching screen communication, the upper machine communication and the input-output interface, the CPLD signal processing circuit and switch power supply provide power for the host CPU, thyristor and power return circuit, and the signal is output.

A bat swing training machine for improving a user's bat swing technique and developing muscular strength includes a frame carried by an adjustable post for height adjustment and two mounting brackets for installation in various locations. The machine also includes a torsion spring, a swing arm with swivel linkage and a bat handle. The machine provides torsional resistance with precise positional control throughout the swing motion and does so equally for right and left handed swings. Backswing is relatively un-resisted thereby allowing the athlete or trainee to stay in position and continuously repeat the swing motion.

The invention relates to a light source system of an integral reflection LED (light emitting diode) shadowless operating lamp. The light source system takes advantages to offset disadvantages, integrates the technical advantages of integral reflection and an LED and overcomes defects. The light source system comprises a light source (1), a control board (2), a main lamp (3), an assistant lamp (4), a display panel (5), a control panel (6), a charging battery (7), a conversion circuit (8) of the main lamp (3) and the assistant lamp (4), and an emergency (switch) circuit (9). A pillar LED lamp is used as a light source for meeting the requirement of integral reflection for the light source, achieving the purposes of energy saving, environment-friendly performance, small thermal generation and long service life. The energy consumption is low, and the battery can be adopted for power supply. The emergency performance of the integral reflection LED shadowless operating lamp is increased by an alternating current and direct current conversion circuit, the conversion circuit of the main lamp and the assistant lamp, and the emergency (switch) circuit.

The invention discloses a powder anticorrosion coating for submarine pipelines, which is composed of the following raw materials in parts by weight: 20-50 parts of epoxy resin, 20-50 parts of novolak epoxy resin, 5-30 parts of titanium dioxide, trimethyl 4‑10 parts of hexamethylenediamine, 1‑2 parts of polyvinyl butyral, 3‑4 parts of defoamer, 0.1‑0.2 parts of dimethylimidazole, 1‑2 parts of antioxidant DNP, aminopropyl 1-3 parts of triethoxysilane, 5-26 parts of barium sulfate, 2-10 parts of thickener, 0.5-5 parts of graphene, and 0-4 parts of colorant. The powder anticorrosion coating for submarine pipelines of the present invention can protect steel structures from corrosion of various corrosive media for a long time, is non-toxic, non-polluting, resistant to salt spray, strong in adhesion, strong in impact resistance, and low in cost, and is an environmentally friendly coating with excellent comprehensive performance. coating.

The invention relates to an underground mud generator, the main structure of which is as follows: a turbine is connected to an outer magnetic rotor of a magnetic coupling through a cushion double wall sleeve; an annular groove is arranged in the middle part of the inside wall of the cushion double wall sleeve; a buffer plunger is contained in the annular groove; one of the buffer plunger and the cushion double wall sleeve is a magnet; the center of the buffer plunger is connected to two ends of a stator plunger rod; one end of the stator plunger rod is connected to a seal housing of the generator, while the other end passes through the center of the turbine and is connected to a supporter; an inner magnetic rotor of the magnetic coupling is positioned in an outer magnetic rotor drum of the magnetic coupling, and the both are isolated by the seal housing; the inner magnetic rotor is provided with a necking cavity; one end of a suspended shaft is arranged in the necking cavity, while the other end is connected to the rotor of the generator body; and the seal housing encloses the generator body, the inner magnetic rotor of the magnetic coupling and the suspended shaft. The underground mud generator has the advantages of no-sealing, zero leakage and shock proof, and supplies steady electricity for logging-while-drilling instruments underground in a high temperature and high pressure environment.

The invention belongs to the technical field of antibiosis and disinfection of hygiene protection articles. The invention relates to a spray, and particularly discloses a long-acting antibacterial andvirus-killing hygienic protection article spray and application thereof. The formula of the spray comprises the following components in percentage by silver concentration: 0.01 to 1.0 percent of polyhexamethylene biguanide hydrochloride, 0.001 to 0.1 percent of nano-silver gel, 0.5 to 5 percent of quaternary ammonium salt, 0.0001 to 0.001 percent of melaleuca alternifolia oil, 2 to 15 percent oforganic silicon, 1 to 10 percent of propylene glycol and the balance of water. The spray for the protective articles is lasting in antibacterial effect, the spray is uniformly sprayed on the surfacesof the used sanitary protective articles until the sanitary protective articles are wet, and the sanitary protective articles can be reused after being dried. After the mask treated by the protectivearticle spray is washed with water for three times, the antibacterial rate is kept at 95% or above under the condition of keeping good air permeability.

The invention discloses a ribbed guardrail plate comprising a beam plate, wherein a plurality of rib plates integrated with the beam plate are arranged on the plate face of the beam plate; the beam plate and the rib plates extend in the length direction of the guardrail plate; the beam plate is a thermoplastic composite plate or a thermoplastic material plate; the rib plates are thermoplastic composite plates; and each thermoplastic composite plate comprises a reinforcing frame wrapped in a thermoplastic material layer. Aiming to overcome the defects of high probability of corrosion, high rigidity and poor collision energy absorption of a steel guardrail plate, small elastic modulus, large size and high cost of the all-plastic material of an all-plastic guardrail plate, and complex manufacturing technology and worse collision energy absorption of a plastic-steel guardrail plate, the invention provides the ribbed guardrail plate, which has the advantages of corrosion resistance and lower maintenance difficulty and can excellently absorb collision energy to reduce harm to a vehicle and personnel.

The invention provides a polymer alloy composite cement water supply pipe which sequentially comprises a cement layer, a bonding layer, an interface compatible layer and an overflowing layer from outside to inside. The bonding layer adopts fibers to serve as polyamide modified epoxide resin composite materials of a reinforcing material, the overflowing layer is a resin modified polymer alloy material layer, and the interface compatible layer is a coupling reagent connecting the bonding layer and the overflowing layer. A manufacture method particularly comprises the following steps of prefabricating the cement layer, enabling the fibers to be soaked by liquid state polyamide modified epoxide resin, bonding the fiber on an inner wall of the cement layer, and solidifying for 4 hours at the temperature of 80-100 DEG C or conducting normal temperature solidification for 240 hours; spraying the liquid state polyamide modified epoxide resin on an inner surface of the bonding layer, evenly pasting resin modified polymer alloy material sheets of soaked by the liquid state coupling reagent, and solidifying for 4 hours at the temperature of 100 DEG C or conducting normal temperature solidification for 240 hours. The polymer alloy composite cement water supply pipe has performance such as corrosion resistance, aging resistance, impact resistance, zero poison, innocuity, zero pollution, wear resistance, high strength and the like.

The invention discloses a combined no-leakage liquid discharging baffle. The combined no-leakage liquid discharging baffle comprises a liquid discharging baffle (1), a rolling column (2) and a rectangular diaphragm (3), wherein the rolling column (2) is sheathed on the liquid discharging baffle (1); the upper end of the liquid discharging baffle (1) is provided with the rectangular diaphragm (3).

The invention provides an ultra-high molecular weight polyethylene pipe and a modified additive for producing the same, belongs to the technical field of pipe production, and aims to solve the technical problems that the molecular weight of the produced ultra-high molecular weight polyethylene pipe is reduced, abrasion resistance, impact resistance, lubrication, impact absorption and the like of the produced ultra-high molecular weight polyethylene pipe do not reach indexes and the like as common polyethylene powder is added when an ultra-high molecular weight polyethylene pipe is produced in the current. The modified additive is prepared from, by weight, 600-800 parts of bright lubrication dispersing agents, 100-200 parts of stearic acid, 100-200 parts of ultra-high molecular polysiloxane, 90-150 parts of zinc stearate, 80-150 parts of calcium stearate and 50-150 parts of antioxidants. The ultra-high molecular weight polyethylene pipe prepared by the modified additive is prepared from, by weight, 30-50 parts of ultra-high molecular weight polyethylene, 1-2 parts of macromolecule wax and 0.8-1.5 parts of modified additive for producing the ultra-high molecular weight polyethylene pipe.

The invention provides a cutting-free inserting-connection-type mounting construction method of wall surface decoration boards. The cutting-free inserting-connection-type mounting construction methodmainly adopts vertical columns, vertical column mounting assemblies, cross beams, the decoration boards, Z-shaped inserting-connection pieces, tapping screws and screws to implement, the cutting-freeinserting-connection-type mounting construction method comprises the steps that (1) wall surface measurement and paying off are conducted, and a mounting construction scheme is determined; (2) components required by decoration is custom-made at a factory; (3) materials are transported to a site; (4) vertical column fixing assemblies are mounted; (5) the vertical columns are mounted and fixed; (6)the cross beams are mounted and fixed; (7) the Z-shaped inserting-connection pieces are fixedly arranged on the decoration boards; (8) the decoration boards are mounted in inserted-connection and hung-connection modes; (9) glue are injected into board seams; and (10) clearing and cleaning of the decoration board surfaces and acceptance are conducted. According to the cutting-free inserting-connection-type mounting construction method of the wall surface decoration boards, the decoration boards are mounted by utilizing the inserting-connection pieces, site cutting-free operation is achieved, noise and dust pollution are less, construction is simple, convenient and fast, cost performance is high, and the used materials during secondary decoration can be recycled.

The invention relates to a method for preparing a novel cold storage installation composite board for ships. The method comprises the following steps: manufacturing an upper protective layer and a lower base material layer according to the dimension of the composite board, heating and mixing an expandable modified phenolic resin, a surfactant, a foaming agent, a curing agent and an auxiliary at the temperature of 25-60 DEG C, spraying the mixture between the upper protective layer and the lower base material layer through a high-pressure spray gun, emulsifying, forming and holding the temperature for 24 hours through equipment of a continuous production line, and demoulding, thereby obtaining the composite tube, wherein the mass ratio of expandable modified phenolic resin to the surfactant to the foaming agent to the curing agent to the auxiliary is 100:4:5:25:5; the surfactant is a general surfactant of silicane and tween series; the foaming agent is a NaCO or metal powder general solid foaming agent; the curing agent is hydrochloric acid or sulfuric acid or phosphoric acid; the auxiliary is boracic acid or urea or antimony oxide.

The invention discloses a method for machining a yoga mat, relating to the technical field of sports goods. The method mainly comprises the following steps: (1) taking a cork wood coiled material or leather as a core layer and carrying out dust removing and heating treatment on the core layer; (2) coating the upper surface of the core material with an environment-friendly adhesive layer; (3) selecting ultrafine fibers, soft cow leather or PU leather as a surface material layer, and carrying out heating treatment on the core layer; applying the weight of 0.3kg/cm<3> to 2.0kg/cm<3> and sticking and compounding the surface material layer, the adhesive layer and the core layer; (4) coating the surface of the surface material layer with a wear-resisting layer; and (5) repeating the step (1) to the step (4), and sequentially forming the adhesive layer, the surface material layer and the wear-resisting layer on the lower surface of the core material, so as to prepare the yoga mat which has high air permeability, high strength and high environmental friendliness.