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50results about How to "Play a waterproof function" patented technology

Energetic compound sensitizer for emulsified explosive and preparation method of energetic compound sensitizer

The invention discloses a sensitizer, specifically an emulsified explosive energetic sensitizer, and particularly relates to a sensitizer formed by coating high-energy metal powder on porous silicon dioxide hollow microspheres and a preparation method of the sensitizer. The sensitizer mainly comprises the following components in parts by weight: 50-65 parts of a metal powder, 2-10 parts of a coating agent, and 30-45 parts of silicon dioxide. According to the preparation method provided by the invention, the high-energy metal powder for coating the porous silicon dioxide hollow microspheres is prepared through a four-step method, and is added into an emulsion matrix, and the high-energy metal powder and the emulsion matrix are mixed uniformly to prepare a high-strength emulsion explosive; shells of the porous silicon dioxide hollow microsphere of the energetic sensitizer achieve the effect of a sensitizer, and the high-energy metal powder inside the energetic sensitizer achieves the effect of an energetic additive. The sensitizer and the high-energy metal powder are combined into a whole body, the brisance of the emulsified explosive is improved under the condition that the sensitivity of the explosive is not influenced; moreover, the raw materials are wide in source, the cost is low, and the production process is simple, so that the sensitizer has a very good market prospect.
Owner:ANHUI UNIV OF SCI & TECH

Waterproof LED lamp tube

The invention relates to a waterproof LED lamp tube. A heat dissipating base comprises a mounting platform, protruding bars are arranged on the two sides of the mounting platform, and a groove used for mounting an LED substrate is formed among the two protruding bars and the platform. The top of each protruding bar extends inward to be provided with a first limiting plate, the top of each protruding bar extends outward to be provided with a second limiting plate, the top surfaces of the first limiting plates are provided with inclined surfaces inclining inward, and the top surfaces of the second limiting plates are provided with inclined surfaces inclining outward. LED chips are arranged linearly on the LED substrate. Guide grooves comprise inward first slide grooves and downward second slide grooves, the openings of the first slide grooves face outward, and the openings of the second slide grooves face upward. Guide bars comprise inward first slide bars and downward second slide bars, the first slide bars are matched with the first slide grooves, and the second slide bars are matched with the second slide grooves. The surfaces of the second limiting plates are smooth and can have the reflection effect, thus, light on the side face of a lampshade can be reflected to the bottom of the side face of the lampshade, and the lampshade can made to emit light more evenly.
Owner:GUANGZHOU LEDIA LIGHTING CO LTD

Snow melting and ice condensation resisting material of sand-containing fog seal and preparation method of material

The invention relates to a pavement snow melting and ice condensation resisting material of a sand-containing fog seal and a preparation method of the material. The material is mainly prepared from the following raw materials in parts by weight: 40-60 parts of matrix asphalt, 3-10 parts of a modifying agent, 5-15 parts of tackifying resin, 5-10 parts of a snow-melting agent, 2-5 parts of a hydrophobic agent, 20-30 parts of a diluent and 15-25 parts of fine sand. After being prepared by the preparation method, the material is sprayed onto various pavements, so that under the condition of lower temperature, no matter how thick the snow is, an unfrozen water layer is always formed between each pavement and the snow and people can quickly and conveniently clean the snow on the pavements and airport runways mechanically or artificially. The material not only has the characteristics of the sand-containing fog seal but also has the functions of melting snow and resisting ice condensation, hardly corrodes iron and steel, does not have adverse effects on concrete, has the function of waterproofing the pavements and also has the effects of effectively protecting the pavements, effectively preventing losses and reduction of pavement materials and prolonging the service lives of the pavements.
Owner:SHANDONG DASHAN ROAD & BRIDGE ENG

Pavement snow-melting and anti-freezing fog sealing layered material and manufacturing method thereof

The invention relates to a pavement snow-melting and anti-freezing fog sealing layered material and a manufacturing method thereof. Main components of the fog sealing layered material comprise asphalt, an emulsifier, a low-freezing-point component and a corrosive inhibiter. The fog sealing layered material can be sprayed on various pavements after being manufactured through the manufacturing method. Whether accumulated snow is thick in a relative low temperature situation during snow or after snow, a non-freezing water layer is formed between the pavement and the accumulated snow. With an effect of the non-freezing water layer, accumulated snow on the pavement or an airport runway can be cleaned by a mechanical method or a manual work. The material has not only a characteristic of a fog sealing layer but also a snow-melting and anti-freezing function, is free of any bad influence on concrete, has a waterproof effect on the pavement and can increase nutrition components in plants. In addition, the phosphorous content of the sealing layered material meets a farmland irrigation water quality standard GB5084-92 of our country. Meanwhile, the material can effectively protect the pavement, effectively prevents pavement materials from being lost and reduced and can prolong a service life of the pavement.
Owner:宋学忠

Ignition device integrating flame detection

The invention relates to an ignition device integrating flame detection, and relates to an ignition device. By the ignition device, the problem that the conventional ignition device cannot judge whether ignition is successful or not in time, and if the unignited condition or the condition of ignition delay cannot be discovered in time, a large amount of combustible gas can be gathered to generate deflagration accidents possibly, and the system and personal safety are harmed is solved. In the ignition device, a ventilation guide plate is an insulating ventilation guide plate; an outer sleeve protective pipe is sleeved on the ventilation guide plate; a gas guide pipe passes through the ventilation guide plate; one end of the gas guide pipe is connected with a fire head cover body, and the other end of the gas guide pipe is communicated with a gas inlet; a body assembly is fixedly connected with the outer sleeve protective pipe; openings are formed at the front end of the outer sleeve protective pipe and the lower part of the front end; an arc drawing igniter and an ion flame detector pass through the ventilation guide plate; and a cable joint of the igniter and a cable joint of an ion probe sensor are arranged on one side which is close to the body assembly. The ignition device is suitable for an ignition process.
Owner:中国船舶重工集团公司第七〇三研究所

Novel high temperature and high pressure-resistance water vapor seal N-K type terminal cable RF coaxial connector

The invention relates to a novel high temperature and high pressure-resistance water vapor seal N-K type terminal cable RF coaxial connector comprising an outer conductor, an inner conductor, a dielectric body, a first sleeve, a second sleeve, a sealing sleeve and a screw sleeve, wherein the dielectric body and the first sleeve are both mounted in the outer conductor, the inner conductor is assembled with the dielectric body, one end of the second sleeve is sleeved on the first sleeve and has an interference fit with the outer conductor, the sealing sleeve abuts against the other end of the second sleeve, the screw sleeve and the outer conductor are threadedly locked, and the screw sleeve compresses the sealing sleeve. In the novel high temperature and high pressure-resistance water vaporseal N-K type terminal cable RF coaxial connector, the first U-type ring groove is provided with a first sealing ring, through which a waterproof function of the docking interface of the N-J-type connector is provided; a second sealing ring is disposed on the rectangular flange of the outer conductor, and the waterproof function between the connector and the mounting panel is provided by pressingthe second sealing ring to fit the mounting panel; and good sealing performance and highly reliable stability are provided under water vapor conditions of high temperature (200 DEG C) and high pressure (10 atmospheres).
Owner:SUZHOU HUAZHAN SPACE APPLIANCE

Double-layer comprehensive pipe rack provided with ventilation port and escape port node structures

The invention discloses a double-layer comprehensive pipe rack provided with ventilation port and escape port node structures. The double-layer comprehensive pipe rack is internally provided with a natural gas cabin, an electric cabin and a comprehensive cabin; the natural gas cabin and the electric cabin are arranged above the comprehensive bin to form a double-layer arrangement structure; a function cabin capable of communicating with the comprehensive cabin is formed between the natural gas cabin and the electric cabin; the ventilation port and escape port node structures capable of communicating with the external and capable of being sealed are longitudinally arranged at the top at intervals; the ventilation port and escape port node structures can communicate with the electric cabin and the function cabin correspondingly, and comprise fan equipment chambers; and function through port structures capable of communicating with the upper side of the ground and capable of being sealedare arranged at the tops of the fan equipment chambers. The pipe rack can effectively reduce the cross section occupied space; and the ventilation port and escape port node structures arranged at thetop meet the functions of ventilation ports and escape ports at the same time, so that the node number can be effectively reduced, and the construction difficulty and the construction cost are reduced.
Owner:MCC CAPITAL ENGINEERING & RESEARCH

Multifunctional waterproof LED lamp

The invention discloses a multifunctional waterproof LED lamp which comprises a lamp holder, a connector, a radiator, a light source and a lampshade. A plastic lamp body is arranged between the connector and the radiator. The light source is a photoelectric integration light source. The bottom of the light source is coated with high thermal conductivity silicone grease. The light source is stuck to the radiator. A hole is formed in the middle of the radiator. A wire penetrates through the hole. The position between the wire and the hole is filled with a waterproof adhesive. A sealing ring is arranged between the radiator and the lampshade. A potting adhesive is arranged at the position where the top of the plastic lamp body is connected with the connector. According to the multifunctional waterproof LED lamp, the defects in the prior art are overcome, and the design structure is reasonable; due to the facts that the plastic lamp body is additionally arranged between the connector and the radiator, the position where a radar inductor or an anion generator is installed is reserved, and various fancy holes are formed in the side face of the plastic lamp body, the appearance is attractive, and the probe release and hot runner functions are achieved; meanwhile, the LED light source and a circuit are sealed inside the lampshade and the radiator in an integrated mode, and the glue is poured into a conductive hole of the radiator, so that the light source is sealed, and the waterproof function is achieved.
Owner:ANHUI JIASHENG TECH CO LTD

Self-cleaning digital residual chlorine sensor

The invention discloses a self-cleaning digital residual chlorine sensor. By means of the matching of the meshed casing of an end cap and a baffle, a cavity for accommodating a ball is formed. Then, amicro motor drives a stirring shaft to rotate a cathode to cause friction between the cathode and the ball in the end cap during the rotation process, thereby realizing the self-cleaning function ofa gold electrode. Under the control of a multifunction circuit board, the micro motor can be operated at a fixed speed regularly according to different water quality conditions, so as to solve the problem that the water of different water quality is unstable in flow velocity or intermittent, and is unstable or inaccurate in measurement value. The multifunction circuit board is electrically connected to the cathode and the anode as a controller of the residual chlorine sensor, can control the motor operation on the one hand, and can measure a current signal proportional to the residual chlorinein a measured liquid on the other hand, and processes and converts the current signal into a digital signal, and outputs the digital signal, and achieves a digital output function of the residual chlorine sensor, and guarantees the stability of data transmission.
Owner:国弘环保仪器(昆山)有限公司

High-fidelity high-temperature-resistant temperature controller

InactiveCN104064402AExcellent thermal conductivity and high temperature resistanceGood temperature followabilityThermal switch detailsDesign technologyController design
A high-fidelity high-temperature-resistant temperature controller relates to the technical field of temperature sensing controller design. The high-fidelity high-temperature-resistant temperature controller comprises a shell with an opening at one end. A ceramic base and a ceramic base sealing cover are arranged in the shell. A static contact piece and a spring piece are arranged between the ceramic base and the ceramic base sealing cover. One side, near the open end of the shell, of the ceramic base is provided with a through hole in which a rivet is arranged. A static contact is arranged above one end, far away from the rivet, of the static contact piece, and a movable contact matched with the static contact is arranged below one end of the spring piece. The middle of the spring piece is provided with a downward bulge, a ceramic top column is arranged below the bulge, and the lower end of the ceramic top column passes through the ceramic base and is connected with a bimetallic strip. The lower end of the rivet is connected with a wiring piece, and the outer end of the wiring piece is connected with a wire. The opening of the shell is sealed with epoxy resin. The high-fidelity high-temperature-resistant temperature controller is simple in structure and easy to realize, has the characteristics of high fidelity, high sensitivity and resistance to high temperature, and is applicable to temperature control and protection on household electric heating appliances and similar electric equipment.
Owner:YANGZHOU BAOZHU ELECTRIC APPLIANCE CO LTD
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