48results about How to "Insulation damage" patented technology

A miniaturized heat-resistant and high-dynamic pressure sensor comprises a sensor probe which is internally provided with a sensor chip, the sensor chip is fixed through a heat-resistant ceramic adhesive, the sensor probe is connected with a metal tungsten filament which passes through a seal plate, and the seal plate is connected with the sensor probe; the front end face of the sensor probe is provided with a pressure guidance hole which communicates with a pressure channel and a square sensor chip in the sensor probe, the rear end of the sensor chip installation groove is provided with a sensor vacuum chamber, and the side wall of the sensor probe is internally provided with a the metal tungsten filament taken as a lead terminal of the pressure sensor; the sensor chip is square-shaped, four sensitive resistors are arranged at the front surface of the sensor chip in the same direction, the back surface of the sensor chip is a square cavity corresponding to a square sensitive film, andthe pressure is applied to the square sensitive film through the pressure guidance hole. The miniaturized heat-resistant and high-dynamic pressure sensor is small in volume, resistant to heat and fast in response, and can be used for measurement of the total pressure and the static pressure.

The invention provides a packaging material, an organic light-emitting diode device, and a packaging method for the organic light-emitting diode device, belongs to the technical field of packaging, and can solve a problem that the beauty of a transparent display is affected because a packaging structure made of conventional packaging materials is black. The packaging material contains a main component, and the main component contains rare-earth oxide, zinc oxide, aluminium oxide, and silica. The packaging material can be used for packaging, especially the packaging of the organic light-emitting diode device.

The invention discloses an intelligent temperature control electric soldering station, which comprises a control station and a handle electrically connected with the control station, wherein a microprocessor and a constant current source are arranged in the control station; the constant current source is controlled by the microprocessor; the handle is provided with a resistance heating wire, a solder horn and a temperature sensor; the resistance heating wire is electrically connected with the constant current source; and the temperature sensor is electrically connected with the microprocessor. The intelligent temperature control electric soldering station is characterized in that the handle is further provided with an tilt sensor which is electrically connected with the microprocessor. According to the intelligent temperature control electric soldering station, the tilt sensor is adopted for providing the service condition of an electric iron handle for the microprocessor, and the electric soldering station is further kept in a welding mode or a standby mode. The intelligent temperature control electric soldering station has a remarkable energy saving effect; and moreover, the service life of the solder horn can be prolonged, and the solder horn is safe and reliable for using.

The invention discloses a high temperature resistant powder coating, which comprises the following components: 250 to 35 weight parts of silicone resin, 1 to 3 weight parts of texture agent, 60 to 100 weight parts of high temperature resistant filling, and 1 to 5 weight parts of deaerating agent. Compared with the prior art, the invention has a luster-preserving ratio higher than or equal to 50 percent and an adhesive force smaller than or equal to second grade under condition of high temperature roasting at 500 DEG C for 24 hours, and the temperature resistance is greatly increased.

The plasma air purifier is an apparatus that simultaneously produces positive ions and negative ions in order to eliminate bacteria, viruses and odors in the air of the surrounding environment. The apparatus includes a housing, a discharge plate, a discharge needle array, a microcontroller, and a power supply. The housing encloses the discharge needle array, the microcontroller, and the power supply, allowing the apparatus to be easily incorporated into a variety of environments and easily transported. The discharge plate is mounted onto the housing via at least one first pillar and at least one second pillar. The discharge plate produces negative ions, and the discharge needle array produces positive ions. The discharge needle array is electronically connected to the microcontroller. The power supply is electrically connected to the microcontroller and the discharge plate. The discharge needle array is electrically connected to the power supply through the microcontroller.

The invention discloses a protective thermal insulation vehicle cover fabric which comprises a protective fabric layer arranged in the surface layer, a thermal insulation packing layer arranged in the middle layer and a soft fabric layer arranged in the lower layer. The protective fabric layer is woven by warps and wefts mutually, each warp is woven by polyester fiber and jute fiber in a blending mode, each weft is woven by polyamide fiber and spandex fiber in a blending mode, the thermal insulation packing layer is made of soft polyurethane foaming plastic, the soft fabric layer is woven by cotton fiber and woolen fiber in a blending mode, and the lower end of the soft fabric layer is provided with an elastic shrinking ring. The surface of a vehicle cover is woven by the polyester fiber, the jute fiber, the polyamide fiber and the spandex fiber, so that the protective thermal insulation vehicle cover fabric has the weather-proof functions of wind resistance, water resistance, sun protection and the like, the soft polyurethane foaming plastic is used for protecting a vehicle body against sun exposure so that damage to the vehicle body can be avoided, the fabric woven by the cotton fiber and the woolen fiber in the blending mode is soft and smooth, and therefore abrasion damage to the vehicle body is avoided.

The invention discloses a seed planting block and a manufacturing method thereof. The seed planting block includes a sponge, seeds and soluble substances, wherein the seeds are placed on the sponge, and the soluble substances are also placed on the sponge to cover the seeds. The seeds in the seed planting block can be placed in the corresponding quantity and type according to the needs, and the seeds are fixed and protected by using sponges and soluble substances to avoid physical damage to the seeds, while the soluble substances can isolate the light from the seeds damage, and can be dissolved in water or nutrient solution after sowing, so that the seeds are exposed, so as to ensure that it will not hinder the growth of the seeds. Therefore, this seed planting block can be suitable for carrying and transporting seeds, preventing carrying and The seeds are damaged during transportation, and the seeds can be sown only by directly placing the seed planting block in a suitable environment, and the operation is convenient and the sowing efficiency is high.

The invention relates to the field of photochromic materials and particularly provides microencapsulated photochromic powder resistant to weather for a long time. The powder has a polyurethane / melamine resin double-layer microcapsule shell, and the shell is filled with photochromic materials and a stabilizer. By using a neutral system of in-situ polymerization of polyurethane, the alkaline light stabilizer and the photochromic materials are packaged together into a polyurethane microcapsule to form a polyurethane-coated transparent microcapsule. After that, the pH of an emulsion is adjusted tobe acidic, and a melamine resin prepolymer is added to finally obtain the microencapsulated photochromic powder resistant to weather for a long time, so that the weather resistance is improved by five times or above, and the acid resistance is also improved by several times. By using the photochromic powder for preparing clothes printed and dyed by printing slurry, the color change service life is increased by ten times or above, the weather resistance and acid resistance are improved, and meanwhile the original micron-level particle size, excellent dispersibility, amphiphilic solubility withdifferent kinds of slurry and full color rendering performance of the photochromic powder are also maintained.

The invention relates to a shielding mosquito net, which comprises a net body, wherein the net body is composed of line bodies which are covered by an isolating layer; the isolating layer is a metal isolating layer or a carbon fiber isolating layer; a pad body is arranged on the net body; and at least one surface of the pad body is a metal or carbon fiber isolating pad layer. According to the shielding mosquito net provided by the invention, the lower hem of the net body correspondingly covers the periphery of the pad body, so that a shielding space is formed; therefore, electromagnetic radiation in an environment can be completely isolated and shielded, so that the body of a person, who takes a rest or sleep in the net body, can be protected from harm.

The invention discloses an infrared radiation insulating coating and paint and a preparation method thereof. The infrared heating coating is mainly prepared from the following components in parts by weight: 1 part of spherical graphene, 0.02 to 0.12 part of graphitizable macromolecular oligomer, 1 to 4 parts of polyaluminosilicate, 0.5 to 2 parts of hyperbranched carbosilane and 0.01 to 0.1 part of peroxide cross-linking agent. According to the infrared heating coating, by means of the corrugated structure of spherical graphene, under the cohesion and combination effect of macromolecules, theinsulation effect of an insulation aluminum-silicon compound and the cooperation of small-molecule high-radiation inorganic particles, the multi-stage infrared heating is achieved. By means of the infrared heating coating, the heating efficiency is greatly improved; meanwhile, in the field of infrared radiation heating, the comfort of a human body is improved, and the energy consumption is greatlyreduced.

The invention provides an anti-noise intercom earphone, comprising an earphone frame and earphone covers, wherein outer sides of the two earphone covers are respectively provided with a box body, the box body on one side is a wireless communication box body, the top part of the wireless communication box body is provided with an antenna, the box body on the other side is a battery box body, the side wall of the battery box body is provided with a charging interface, a lead is connected between the wireless communication box body and the battery box body, the internal parts of the earphone covers are provided with loudspeakers and are filled with acoustic insulating materials, the earphone covers are connected through the earphone frame, a microphone rod is arranged between the earphone cover and the battery box body, the microphone rod is connected on the side wall of the battery box body in a manner of rotating upwards and downwards, and the tail end of the microphone rod is provided with an anti-noise microphone. The anti-noise intercom earphone has the beneficial effects of isolating noises and optimizing wireless communication quality, and being capable of eliminating the damage of factory noise pollution to the operators and conveying information quickly to improve the working efficiency especially when being applied in industrial production.

A holder made of plastic for vibration-insulating attachment of an oblong object such as a pipe or the like to a vehicle includes a base part with a bolt-accommodating opening and retainer parts that have a U-shaped retaining section with a recess that has a hollow inner surface and an insertion opening at which a resilient retaining finger is provided, which is able to hold an oblong object in the recess. The retainer parts are connected to the base part by means of thin, flexible wall elements. The base part has a frame with openings and the apex regions of the retaining sections on the side opposite from the insertion opening can move into these openings.

The invention discloses a fire extinguishing detection box for detecting the actual fire extinguishing effect of a newly developed fire extinguishing agent and comprising a circular table and a glass box arranged on the surface of the circular table. The glass box is formed by an opening and closing door panel at the top, four transparent glass sidewalls connected with the opening and closing door panel, and a support plate detachably connected with the four glass sidewalls via buckles. A fire extinguishing agent storage box is arranged in the glass box and is connected with a channel rod. The tail end of the other side of the channel rod is connected with a nozzle. A fire extinguishing agent conveying channel communicating the fire extinguishing agent storage box with the nozzle is disposed inside the channel rod and is provided with a valve therein. The opening and closing of the valve is controlled by a control button arranged on the fire extinguishing agent storage box. An igniter is also disposed in the glass box. The support plate is paved with a layer of asbestos wire gauze. The present invention provides the fire extinguishing detection box for detecting the actual fire extinguishing effect of the newly developed fire extinguishing agent.

Provided is an insulation material for charging cables. The insulation material for the charging cables includes the following ingredients of silicon hydroxide, magnesium hydroxide, iron oxide, bariumsulfate, magnesium silicate, glass fiber, polycarbonate, aluminum hydroxide, polyurethane resin, clay, metallocene polyethylene, polyethylene glycol, silicone rubber, vulcanizing agent, diluent, fumed silica, quartz powder, silicone oil, polyetheretherketone resin, talc, light calcium carbonate, lubricants, antioxidants, silica, calcined mica, plasticizers, and silicone rubber. The insulation material for the charging cables has the advantages of: (1) insulating electric charges and preventing damage to internal product parts of the charging cable and playing a role of protecting the product;(2) being moisture proof, corrosion resistant, high temperature resistant besides insulating; (3) not only being non-toxic and flame retardant but also effectively reducing electromagnetic interference, and being stable in performance after long-term use.

A method and an apparatus check a multiplicity of mutually insulated strands in a stator winding bar of an electric machine. The method includes injecting a test signal, determining a first component of the test signal, and comparing at least the first component with a reference signal in order to determine damage to insulation between individual strands of the multiplicity of strands. The apparatus includes a signal source and a measuring apparatus. The method and the apparatus are particularly suitable for checking stator winding bars as are used in a generator and / or an electric motor.

The invention discloses a combined type switched reluctance motor, including a motor base, an end cover, a stator, a combined rotor and a motor junction box. The motor junction box is fixed at an outer side of the motor base, the end cover is fixed on an end part of the motor base, the stator is fixed on an inner wall of the motor base, the combined rotor includes a switched reluctance motor rotor, a claw pole motor rotor and a rotating shaft, the switched reluctance motor rotor and the claw pole motor rotor are fixed on the rotating shaft, and two ends of the rotating shaft are fixed in the motor base through a support assembly. The combined type switched reluctance motor provided by the invention is simple in structure and relatively small in size, and can prevent a load from a sharply drop and damage under the condition of a sudden power failure of the motor, thereby reducing property loss, and guaranteeing production safety.

The invention discloses a tracking sensor for a solar concentrator plate. The tracking sensor comprises a light-pervious semi-transparent solid bar, a connection tube (3) and a photo-sensitive sensor (4), wherein the light-pervious semi-transparent solid bar is divided into more than two sections, the sections are wrapped and connected through the connection tube (3), and at least a pair of two adjacent sections of the light-pervious semi-transparent solid bar is separated; in the two outermost sections of the light-pervious semi-transparent solid bar, a solar concentration inlet (1) is formed in the top end of one section of the light-pervious semi-transparent solid bar (2), and the other section of the light-pervious semi-transparent solid bar (2) is connected with the photo-sensitive sensor (4). By means of the arrangement of the more than two sections of the light-pervious semi-transparent solid bar, damage of heat conduction to a photo-sensitive component can be effectively isolated. Meanwhile, with the combination of the light-pervious semi-transparent solid bar, effective attenuation is achieved, and light intensity of the photo-sensitive component is achieved. By means of the design, work stability, service life and measurement accuracy of the photo-sensitive sensor are effectively guaranteed.

A holder made of plastic for vibration-insulating attachment of an oblong object such as a pipe or the like to a vehicle includes a base part with a bolt-accommodating opening and retainer parts that have a U-shaped retaining section with a recess that has a hollow inner surface and an insertion opening at which a resilient retaining finger is provided, which is able to hold an oblong object in the recess. The retainer parts are connected to the base part by means of thin, flexible wall elements. The base part has a frame with openings and the apex regions of the retaining sections on the side opposite from the insertion opening can move into these openings.

The invention relates to steel pipe galvanizing and processing equipment and relates to the technical field of galvanization of steel pipes. The steel pipe galvanizing and processing equipment comprises steel pipes to be processed, a conveying device for conveying the steel pipes to be galvanized, a washing device for washing the steel pipes in all directions, and a galvanizing device for galvanizing in all directions, wherein the conveying device comprises a chain plate type conveying belt, transmission shafts, mounting plates, driving motors and placing blocks; the washing device comprises a washing box, pressing blocks, washing brushes, a pressing cylinder, a rotating groove, a rotating motor, a rotating block, a water spraying gun and an inner washing mechanism; and the galvanizing device comprises a galvanizing box, a fixing plate, a mounting groove, a first pushing cylinder, a combined groove, a rotating motor, a ball bearing, a mounting block, an inner connecting groove, a second pushing cylinder, a pushing head and an inner supporting plate. The steel pipe galvanizing and processing equipment has the effects of improving the production efficiency, uniformly galvanizing and protecting the personal safety of workers.

The invention relates to the technical field of electric vehicle accessories, in particular to an electric vehicle collision-prevention device with a warning function. The electric vehicle collision-prevention device comprises a collision-prevention device body and a connecting block, the collision-prevention device body comprises a collision-prevention end and a connecting end, the connecting block is a hollow square block, an obtuse angle is roughly formed between the collision-prevention end and the connecting end, the connecting end horizontally penetrates into the connecting block, the bottom surface of the connecting block is connected with a rear luggage carrier in a rigid mode, the collision-prevention end is roughly in an inverted U type, the upper portion of the collision-prevention end is narrower than the lower portion of the collision-prevention end, the body of the collision-prevention end is of a steel beam structure, and lamp light warning components are arranged on the side face, away from the connecting end, of the collision-prevention end and arranged on the steel beam of the body of the collision-prevention end in a sleeving mode. The lamp light warning components are electrically connected with a lamp switch arranged on the connecting block, and the lamp switch controls on-off of the lamp light warning components. The electric vehicle collision-prevention device has the advantages of achieving high strength, absorbing energy and shocks and having the warning function.

The invention discloses a cementing connection structure of composite material sandwich panel without surface bulges, and a preparation method of the cementing connection structure, belonging to the field of material structures. The structure provided by the invention is in a toothed connection formed by means of coincidence of a glass fiber reinforced panel of a connecting piece A and a glass fiber reinforced panel of a connecting piece B, and the connecting pieces A and B are cementing with each other by using an epoxy composite material adhesive; the length of a foam core material of the connecting piece A is the same as that of the glass fiber reinforced panel, and the length of a foam core material of the connecting piece B is broken at the turning place of the panel fibers of the connecting piece B, so that the coincidence with the connecting piece A is guaranteed during insertion; the foam core materials are stuck by using insulating glue. Compared with the traditional compositematerial sandwich panel cementing method, the composite material sandwich panel cementing method enlarges the cementing area by means of the toothed connection, can effectively guarantee the improvement of the cementing strength, and enables no bulge to exist on the surface after connection, so that the structure is more suitable for practical application; therefore, the structure has a wide application prospect.

The invention relates to the field of photochromic materials, and specifically provides a long weather-resistant microencapsulated photochromic powder, which has a polyurethane / melamine resin double-layer microcapsule shell, and the shell is packed with a photochromic material and a stabilizer. Using the neutral system of in-situ polymerization of polyurethane, the alkaline light stabilizer and photochromic material are encapsulated into polyurethane microcapsules to form transparent microcapsules coated with polyurethane. Afterwards, the pH value of the emulsion was adjusted to be acidic, and melamine resin prepolymer was added to finally obtain a long-lasting weather-resistant microencapsulated photochromic powder. The weather resistance was increased by more than five times, and the acid resistance was also increased several times. Using this photochromic powder to prepare clothes printed and dyed with printing paste, the service life of discoloration has been increased by more than ten times. While improving weather resistance and acid resistance, it also maintains the original micron particle size of the toner, excellent dispersibility, and compatibility with the toner. Amphiphilic solubility and full color development of different pastes.

The invention discloses a discharge generator for simulating inter-turn insulation breakdown of a transformer winding. The discharge generator can take power from a low-voltage winding, and includes: a pillar, a power taking device, a conductive device and a conductive magnetic generating device; Compared with some discharge generators for simulation, there is no need to lead out multiple short-circuit leads, and the long-term test will not cause damage to the insulation performance of the transformer winding. The power on and off process is carried out in a timely manner, thereby generating electric sparks and forming a stable discharge effect.

The invention discloses a discharge generator for simulating turn-to-turn insulation breakdown of a transformer winding. The discharge generator that can take electricity from a low-voltage winding comprises a support column, an electricity taking device, a conductive device and a conductive magnetism generating device. Compared with an existing discharge generator for simulation, the disclosed discharge generator has the following advantages: a plurality of short-circuit leads do not need to be led out, the insulation performance of a transformer winding cannot be damaged after a long-time test, and after the electricity taking device obtains voltage, the conductive device uninterruptedly conducts the on-off process under the action of the conductive magnetism generating device, so that electric sparks are generated, and the stable discharge effect is achieved.

The invention discloses a medical intravascular implantation device. The medical intravascular implantation device comprises a pipeline and a flange arranged on the circumference of one end of the pipeline. The device related to by the invention comprises the pipeline and the flange; the pipeline consists of an expanded polytetrafluoroethylene (ePTFE) lining in an inner layer and a nickel-titaniumalloy net in an outer layer, and the flange is formed by extending the ePTFE lining at one end of the pipeline and turning the ePTFE lining to the periphery to be oval. During operation, the device is implanted into an internal fistula, the pipeline is positioned at the vein side of an anastomotic stoma, and the device has the effects of isolating blood flow shearing force and supporting the blood vessel cavity. The flange is positioned at the arterial side of the anastomotic stoma, and can fix the pipeline and prevent the pipeline from displacing. The device can effectively prevent stenosisof the anastomotic stoma of an internal fistula by the effects of isolating the blood flow shearing force and supporting the vascular cavity.

The invention relates to the technical field of rotating shaft assembling, and particularly relates to a machine housing and rotating shaft assembling device. The machine housing and rotating shaft assembling device comprises a press-fitting structure used for pressing a rotating shaft, two machine housing conveying structures, a shaft conveying structure and a dispensing structure, wherein the two machine housing conveying structures, the shaft conveying structure and the dispensing structure are arranged around the press-fitting structure. The invention aims to provide the machine housing and rotating shaft assembling device. By the adoption of the technical scheme, the technical problems that an existing machine housing and rotating shaft assembling method is uneven in dispensing and low in efficiency and has certain danger are solved.

The invention discloses a method for repairing the inner wall of a dry-type thin oil sealed gas tank, which is characterized in that micron blast furnace titanium slag obtained after crushing, microwave pretreatment, grinding, screening and microwave treatment is used as an additive and uniformly added Into the sealing oil in the piston oil groove of the dry-type thin oil sealed gas cabinet, and use the sealing oil flow between the piston oil groove, the oil film on the inner wall of the gas cabinet and the oil groove at the bottom to make the above-mentioned micron-sized blast furnace titanium slag uniform in the oil film on the inner wall of the gas cabinet The gas distribution and flow can complete the repair of the inner wall of the gas cabinet. The invention uses microwave treatment to reduce the grinding difficulty of blast furnace titanium slag and improve the surface energy and surface activity of blast furnace titanium slag, so as to effectively ensure the preparation cost of micron blast furnace titanium slag and the repair effect on the frictional damage of the inner wall of the gas tank. The restoration method is simple and effective, with low cost and obvious technical and economic advantages.