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39results about How to "Has insulating properties" patented technology

Electromagnetic shielding shell

The invention provides an electromagnetic shielding shell which comprises an inner layer, an outer layer and an electromagnetic shielding layer. The electromagnetic shielding layer is sandwiched between the inner layer and the outer layer. The inner layer and the outer layer are made of engineering plastics. The electromagnetic shielding layer is formed by a conductive macromolecule layer. Compared with a traditional metal shell with the function of electromagnetic shielding and composite conductive plastics mixed with metal fibers or metal powder, the electromagnetic shielding shell has the advantages of light weight, simple manufacturing, low cost and electric leakage preventing. Therefore, the electromagnetic shielding shell is suitable for being used on electronic equipment such as a display shell, a machine case shell or a mobile phone shell and the like.
Owner:NANTONG XINYING DESIGN SERVICE

Decorative expansive-type waterborne styrene-acrylic emulsion-containing fireproof and heat-insulating coating

The invention provides a decorative expansive-type waterborne styrene-acrylic emulsion-containing fireproof and heat-insulating coating. The decorative expansive-type waterborne styrene-acrylic emulsion-containing fireproof and heat-insulating coating comprises the following raw material components in parts by weight: 20-30 parts of a styrene-acrylic emulsion, 2-4 parts of hollow glass microbeads,8-12 parts of titanium dioxide, 20-30 parts of ammonium polyphosphate, 8-12 parts of tripolycyanamide, 5-8 parts of pentaerythritol, 0.2-0.5 part of a silane coupling agent, 3-6 parts of a dispersingagent, 2-4 parts of a thickening agent, 0.2-0.5 part of a defoaming agent, 1.0-2.5 parts of a film-forming aid, 0.1-0.3 part of a wetting agent, 0.2-0.5 part of an OP-10 emulsifying agent and 20-30 of deionized water.
Owner:FOSHAN KANGDONG LIGHTING TECH CO LTD

Solar power generation control device capable of accurately irrigating fruits and vegetables

A solar power generation control device capable of accurately irrigating fruits and vegetables relates to the technical field of solar energy. The device comprises a water tank, and the left side of the water tank is fixedly connected with a mounting base. A water inlet penetrating through and extending to the water tank is formed in the right side of the mounting base. A guide column is fixedly connected to the inner bottom wall of the mounting base. A dielectric plate is fixedly connected to the middle of the top of the guide column. A spring is fixedly connected to the top of the guide column. A floating plate is fixedly connected to the top of the spring. A conductive column is fixedly connected to the inner top wall of the floating plate. A positive plate is fixedly connected to the inner wall of the floating plate close to the left side of the conductive column. According to the solar power generation control device capable of accurately irrigating fruits and vegetables, throughcooperative use of a solar panel and a fan, solar energy is converted into electric energy through the solar panel, the electric energy is transmitted to a heating block, wind power generation is conducted through the fan, wind power is converted into electric power, energy is effectively saved, the effect of reasonably utilizing renewable resources is achieved, and the production cost is effectively reduced.
Owner:林立荣

LED (Light-Emitting Diode) lamp with heat radiation structure

The invention discloses an LED (Light-Emitting Diode) lamp with a heat radiation structure. The LED lamp comprises a lamp head, a power panel, a fixing cover for the power panel, a lamp cup, a light source board, a heat radiator, and a lamp cover or a lens. A plurality of heat radiation fins are distributed around the heat radiator at intervals; openings are arranged at the two ends of the lamp cup; the heat radiator is mounted in the lamp cup; a heat conduction cavity is formed between each two adjacent heat radiation fins and the inner wall of the lamp cup; the light source board is provided with the heat radiator at one opening of the lamp cup; a first air vent is arranged in the lamp cover or the lens; an external diameter of the fixing cover for the power panel is less than an internal diameter of the lamp cup; a second air vent is formed by a gap between the fixing cover for the power panel and the other opening of the lamp cup; one end of each head conduction cavity is vertically communicated with the outside directly through the corresponding first air vent or the light source board and the corresponding first air vent; and the other end of each each heat conduction cavity is vertically communicated with the outside through the second air vent. With the adoption of the structure, a chimney effect is generated, so that the heat radiation properties of the LED lamp are greatly improved.
Owner:XIAMEN YANKON ENERGETIC LIGHTING CO LTD

Preparation method for anticorrosive and insulative plating layer of neodymium-iron-boron permanent magnet and neodymium-iron-boron permanent magnet with plating layer

The invention provides a preparation method for an anticorrosive and insulative plating layer of a neodymium-iron-boron permanent magnet and the neodymium-iron-boron permanent magnet with the plating layer. The anticorrosive and insulative plating layer, with the good fastness and anticorrosive effect, of the neodymium-iron-boron permanent magnet can be prepared on the premise that the magnetic flux of the neodymium-iron-boron permanent magnet is not influenced. The preparation method comprises the following steps that the surface of a semi-finished neodymium-iron-boron permanent magnet product is cleaned, and after contaminants are removed, drying is conducted; the dried neodymium-iron-boron permanent magnet is placed on an ion activation zone of a vacuum film plating machine, and activation treatment is conducted on the surface of the neodymium-iron-boron permanent magnet by adopting an ion source; the activated neodymium-iron-boron permanent magnet is transferred to a vacuum film plating zone of the vacuum film plating machine, and a bonding layer, an inner protecting layer, a transition layer and an outer protecting layer are sequentially deposited on the surface of the activated neodymium-iron-boron permanent magnet by adopting a vacuum magnetron sputtering mode at the temperature of lower than or equal to 100 DEG C.
Owner:沈阳广泰真空科技股份有限公司

Snow melting and deicing rubber electric blanket

The invention relates to an electric blanket and in particular relates to a snow melting and deicing rubber electric blanket. The snow melting and deicing rubber electric blanket comprises resistance wires, a rubber layer, leads, a control device, a power supply, longitudinal heat conduction wires and transverse heat conduction wires, wherein the resistance wires are uniformly sealed inside the rubber layer; the resistance wires are connected with the control device through the leads; the control device is provided with an interface; the interface is connected with the power supply; the longitudinal heat conduction wires and the transverse heat conduction wires are fixed inside the rubber layer and are connected into a net in a staggered manner, and furthermore the resistance wires are fixed by the heat conduction wires. The electric blanket has the beneficial effects that the resistance wires are communicated with the power supply to heat up, the heat is uniformly transferred to the whole rubber blanket through the heat conduction wires, within the coverage area of the electric blanket, the heat can be uniformly and rapidly dissipated, and thus the effects of melting the snow and ice, keeping equipment warm and drying the pavement are achieved.
Owner:王义高

Method for packaging densely-arranged semiconductor chips for Internet of Things terminal

The invention discloses a method for packaging densely-arranged semiconductor chips for an Internet of Things terminal and belongs to the semiconductor packaging field. The method for packaging densely-arranged semiconductor chips for the Internet of Things terminal is characterized in that a placement groove is formed in an upper surface of a lower shell, the upper surface of the lower shell is fixedly connected with two groups of conductive columns, the two groups of conductive columns are respectively positioned on two sides of the placement groove, a through hole is formed in the lower shell, the through hole is formed below the conductive columns, a pin is placed in the through hole, an upper end of the pin is fixedly connected with the conductive columns, adhesive is adhered to the bottom of the placement groove, a chip is placed in the placement groove, a lower end of the chip is bonded with the adhesive, and an upper surface of the chip is connected with the conductive columnsthrough a plurality of wires. The method is advantaged in that indirect connection between the chip and the pins can be realized, shaking or damage of the chip due to the fact that the pin drags the chip can be avoided, an elastic packaging mode is adopted during plastic packaging, so the fixing effect can be achieved, and the chip cannot be damaged.
Owner:袁晓华

Radiating structure

InactiveCN102563583AIncrease cooling areaSolve the shortcoming of simple coating with long heat conduction distancePoint-like light sourceLighting heating/cooling arrangementsHeat conductingThermal insulation
The invention discloses a radiating structure, which comprises a heat absorbing end and a radiating end. Heat conducting layers are arranged on surfaces of the heat absorbing end and the radiating end, a radiating channel is disposed between the heat absorbing end and the radiating end, a heat conducting layer is arranged on the inner wall of the radiating channel, and heat conducting materials are filled in the radiating channel. The heat conducting materials and the heat conducting layers are made of flexible ceramic or heat-conducting silica gel. The heat absorbing end and the radiating end are made of heat-resistant insulating materials such as plastics, nylon and rubber. Key problems for reducing heat conduction distances are solved, accordingly, a fin structure identical to that of a traditional radiator can be adopted, and radiating capacity identical to that of the traditional radiator can be realized.
Owner:陆炜

Production method of self-adhesive electromagnetic wire

The invention provides a production method of a self-adhesive electromagnetic wire. The production method comprises the following steps of: selection of raw materials, production process of the self-adhesive electromagnetic wire: (1) drawing; (2) annealing; (3) painting; (4) detection of the curing degree; and (5) detection. The production method provided by the invention has the effect that compared with the conventional self-adhesive electromagnetic wire, the self-adhesive electromagnetic wire breaks through the limitation of the traditional dual-hearth production process and can use a single-hearth mode for production on a high-speed vertical type enamelling machine. The production method has the advantages that under the premise of ensuring the quality of a product, the production efficiency is improved and the production cost is effectively reduced.
Owner:天津精达里亚特种漆包线有限公司

Sliding bearing of motor

The invention belongs to the technical field of mechanical equipment bearings and particularly relates to a sliding bearing of a motor. The sliding bearing consists of an upper half part and a lower half part and comprises a tile body, tile pads, insulating layers, a sealing ring, insulating pins, insulating sleeves and bolts. The sliding bearing is characterized in that the outer surfaces of the upper half and the lower half of the tile body are respectively provided with the tile pad; the insulating layers are arranged between the tile pads and the tile body, and after the insulating pins are used for positioning, the bolts with the insulating sleeves are adopted for fastening; the inner surface of the tile pad is provided with a water flow channel; and the sealing ring is arranged around the water flow channel. Due to adoption of the scheme, the sliding bearing has the beneficial effects that (1) the structure of a water cavity is simple, the sealing is reliable, and compared with the traditional water-cavity bearing, the contact area of cooling water is large, the cooling effect is good, and special molds do not need to be used for manufacture, so that the production cost is greatly saved; (2) the insulating structure is ingeniously arranged, so that the generation of friction pairs is effectively avoided and the insulating effect is more reliable; and (3) due to combined use of the water cooling function and the insulating function, the bearing of the motor has the insulating characteristic, the bearing capability and the critical speed of rotation are improved, and the use performance is greatly enhanced.
Owner:宁波益明轴承有限公司

Preparation method and product of hafnium dioxide film on fastener surface

The invention discloses a preparation method of a hafnium dioxide film on a fastener surface. The method comprises steps of: arranging a fastener in a reaction cavity and carrying out vacuum treatment on the reaction cavity; pressing first precursors into the reaction cavity by pulse, infiltrating and adsorbing the first precursors on a fastener surface and removing superfluous first precursors; pressing second precursors into the reaction cavity by pulse, adsorbing the second precursors with the first precursors on the fastener surface and removing superfluous second precursors and by-products; repeating the above steps till deposition of a hafnium dioxide film of a required thickness. The first precursors are precursors containing hafnium, and the second precursors are precursors containing oxygen; or the first precursors are precursors containing oxygen, and the second precursors are precursors containing hafnium. The invention also discloses a novel fastener. The method is simply operated and easy to control a film thickness; the film has a uniform thickness and good cladding property, can be firmly combined with the fastener and is suitable for preparing a fastener product with insulation characteristic and adjustable surface color.
Owner:英作纳米科技(北京)有限公司

Preparation method of neodymium-iron-boron magnet with corrosion resistance

The invention relates to the field of neodymium-iron-boron magnets, in particular to a preparation method of a neodymium-iron-boron magnet with corrosion resistance. The preparation method comprises the following steps that 1, surface impurity removal is carried out, particularly, the surface of the neodymium-iron-boron magnet is cleaned, and after surface impurities are removed, drying treatmentis carried out; 2, a corrosion-resistant coating is prepared; 3, coating treatment is carried out, particularly, a neodymium-iron-boron magnet blank is preheated, and then the surface of the neodymium-iron-boron magnet is coated with the prepared corrosion-resistant coating at the high temperature; and 4, curing treatment is carried out, and particularly the neodymium-iron-boron magnet coated withthe corrosion-resistant coating is placed in a drying oven for curing treatment. The preparation method is simple and easy to operate, can meet multiple function requirements of various permanent magnet motor fields for neodymium-iron-boron magnets, and is wider in application range.
Owner:宁波美固力磁电有限公司

Anti-tilting auxiliary drilling equipment for building materials

The invention discloses anti-tilting auxiliary drilling equipment for building materials, and relates to the technical field of manufacturing of special machinery for production of the building materials. The equipment comprises a casing; a drill bit is inserted in the left side of the casing; a mounting block is clamped on the outer side of the middle of the casing; fixing rods are fixedly connected on the left side of the mounting block; evenly-distributed clamping grooves are formed in the inner walls of the fixing rods; moving rods are movably connected in the middles of the fixing rods; electromagnets are fixedly connected in the positions, close to the right sides of the moving rods, of the middles of the moving rods; springs I are fixedly connected in the positions, close to the right sides of the moving rods, of the outer sides of the moving rods; and clamping blocks matched with the clamping grooves are fixedly connected on the outer sides of the springs I. According to the anti-tilting auxiliary drilling equipment for the building materials, through cooperative use of the clamping blocks and the clamping grooves, in the initial state, the clamping blocks and the clampinggrooves are clamped together, and telescoping of the moving rods is limited effectively, so that a drilling machine cannot perform inward drilling continuously, further drilling is effectively prevented, damage to the building materials is avoided, and the effect of saving materials is achieved.
Owner:许云友

Tool for vacuum heat treatment of directional/single-crystal high-temperature alloy blades and preparation process of tool

The invention discloses a tool for vacuum heat treatment of directional / single-crystal high-temperature alloy blades and a preparation process of the tool, and belongs to the technical field of heat treatment of high-temperature alloy castings. The tool is a base on which a plurality of directional / single-crystal high-temperature alloy blade tenons can be placed. The preparation process comprisesthe following steps of (1) designing wax molds with corresponding sizes according to the geometric sizes of the outer contours of the blade tenons; (2) preparing a mold shell by adopting a precision casting process, wherein the mold shell is made of an aluminum oxide material; and (3) sintering and strengthening the mold shell, and thus obtaining the tool for vacuum heat treatment of the blades after sintering. The tool can meet the requirements for fixing and placing the blades, the blades are prevented from being bonded or recrystallized due to mutual overlapping and collision in the vacuumheat treatment process, and then the heat treatment quality of the high-temperature alloy blades is guaranteed.
Owner:INST OF METAL RESEARCH - CHINESE ACAD OF SCI

Organic nano negative electrode based on intercalated pseudocapacitor and preparation method and application of negative electrode

The invention discloses an organic nano negative electrode based on an intercalated pseudocapacitor. The negative electrode comprises an active material, a conductive agent and a binder, and is characterized in that the active material is an organic molecular crystal material. According to the invention, the nanocrystallized organic molecular crystal material is used as a negative electrode material of a lithium ion battery or a lithium ion hybrid capacitor and the like, so that organic nanocrystals can be in full contact with a conductive agent in theelectrode and have high electronic conductivity, and the reversible capacity of the lithium ion battery and the energy density of the lithium ion hybrid capacitor can be remarkably improved.
Owner:SUZHOU UNIV

Waterproof thermal-insulation coating with organosilicon-modified styrene-acrylic emulsion

The invention provides a waterproof thermal-insulation coating with organosilicon-modified styrene-acrylic emulsion. The waterproof thermal-insulation coating is prepared from the following componentsin parts by weight: 80-100 parts of organosilicon-modified styrene-acrylic emulsion, 20-25 parts of hollow glass bead, 8-15 parts of diatomite, 5-10 parts of nano titanium dioxide, 30-40 parts of cement, 20-30 parts of talcum powder, 20-30 parts of quartz powder, 0.2-0.5 part of silane coupling agent, 3-6 parts of dispersing agent, 2-4 parts of plasticizer, 0.2-0.5 part of defoaming agent, 1.0-2.5 parts of film-forming additive, 0.1-0.3 part of lubricant, 0.2-0.5 part of preservative and 20-30 parts of deionized water.
Owner:FOSHAN KANGDONG LIGHTING TECH CO LTD

Novel-structure film bulk acoustic resonator and preparation method thereof

The invention discloses a novel-structure film bulk acoustic resonator and a preparation method thereof, wherein the novel-structure film bulk acoustic resonator is composed of an upper electrode, a first piezoelectric layer, a second piezoelectric layer, a third piezoelectric layer and a lower electrode. With the arrival of the 5G era, the development of the resonator moves more and more toward miniaturization, integration and high frequency, notrequirements on resonator performance in the market are higher and higher, a surface acoustic wave resonator (SAW) can meet high-frequency application, but a film bulk acoustic resonator (FBAR) has the defect of low electromechanical coupling coefficient. According to the invention, by changing a single piezoelectric layer of a traditional film bulk acoustic resonator, the electrical loss of the piezoelectric layer can be effectively reduced; the purpose of adjusting the electromechanical coupling coefficient of the film bulk acoustic resonator is achieved by adjusting the thickness of each piezoelectric layer, and the invention further discloses a preparation method of the film bulk acoustic resonator of the new structure.
Owner:武汉敏声新技术有限公司

LDMOS (laterally diffused metal oxide semiconductor) transistor and forming method thereof

Disclosed are an LDMOS (laterally diffused metal oxide semiconductor) transistor and a forming method thereof. The LDMOS transistor comprises a semiconductor substrate, a body region and a drift region, a gate region, a source region, a base region, a drain region, a guide region and a barrier region; the body region and the drift region are located in the semiconductor substrate; the gate region located in the semiconductor substrate crosses the body region and the drift area; the source region and the base region are located in the body region; the drain region is located in the drift region; the guide region located below the body region and the drift region is connected with the body region and the drift region; the doping type of the guide region is opposite to that of the drift region; the barrier region located in the semiconductor region surrounds the body region, the drift region and the guide region; the doping type of the barrier region is opposite to that of the guide region. The LDMOS transistor can prevent leak current from entering the semiconductor substrate, and performance of the LDMOS transistor is improved.
Owner:SEMICON MFG INT (SHANGHAI) CORP

Electric insulation tree and bamboo clipping machine

The invention discloses an electric insulation tree and bamboo clipping machine which comprises a motor assembly, a transmission assembly and a saw. The transmission assembly comprises a transmission shaft and a connecting pipe arranged outside the transmission shaft, the transmission shaft and the connecting pipe are both made of glass fiber materials, the transmission shaft is of a hollow structure, the inner diameter of the connecting pipe is larger than the outer diameter of the transmission shaft, and the transmission shaft coaxially stretches into the connecting pipe and is supported and located through a bearing I arranged in the connecting pipe. The transmission shaft and the connecting pipe are made from the non-metal materials, so that the overall weight of the clipping machine is reduced, the labor intensity of workers is reduced, and the stability of control is improved; hot-line work can be carried out, so that it is avoided that normal electricity use of residents is influenced, and possible economic losses are reduced.
Owner:重庆西鹏汇德电力设备制造有限公司

Zirconium oxide oxygen analyzer heating furnace

The invention provides a zirconium oxide oxygen analyzer heating furnace. The zirconium oxide oxygen analyzer heating furnace comprises a furnace core tube, a first end plate, a second end plate and aconnecting rod piece, wherein a heating wire is arranged in the furnace core tube and is used for heating a zirconium oxide oxygen sensitive element positioned in an inner cavity of the furnace coretube; the first end plate is used for supporting a first end part of the furnace core tube; the second end plate is used for supporting a second end part of the furnace core tube; the connecting rod piece is used for fastening the first end plate and the second end plate together, so that the furnace core tube is clamped between the first end plate and the second end plate. A heating cavity of theheating wire of the furnace core tube provided with the heating wire is filled with a filling material, the first end part and the second end part of the furnace core tube are sealed through a sealing material, the filling material and the sealing material are all prepared by mixing a liquid material and a solid material, the liquid material comprises a water-based high-temperature insulating coating capable of resisting high temperature of 1250 DEG C or above for a long time, and the solid material comprises sericite powder. The adopted filling material and sealing material have long-time high-temperature stability, the chemical and physical changes are not easy to occur, and the service life of the heating furnace is prolonged.
Owner:CHINA INSTITUTE OF ATOMIC ENERGY

Corrosion-resisting, rust-preventing and thermal insulating waterborne metal coating

The invention provides a corrosion-resisting, rust-preventing and thermal insulating waterborne metal coating. The coating comprises raw materials in parts by weight as follows: 30-40 parts of silicon-styrene emulsion, 10-20 parts of iron oxide red, 3-6 parts of zinc phosphate, 1-3 parts of aluminium triphosphate, 5-10 parts of mica powder, 3-6 parts of titanium dioxide, 10-20 parts of talc powder, 3-6 parts of hollow glass beads, 0.1-0.3 parts of a sodium nitrite compound corrosion inhibitor, 0.3-0.5 parts of a wetting agent, 0.5-1.0 part of a dispersing agent, 0.2-0.5 parts of a defoamer, 1.0-2.5 parts of a coalescing agent, 0.5-0.8 parts of a thickener, 1-3 parts of an antifreezing agent and 20-30 parts of deionized water.
Owner:FOSHAN KANGDONG LIGHTING TECH CO LTD

Device and method for preparing equivalent test piece for simulating defects of photovoltaic module

The invention discloses a device and a method for preparing an equivalent test piece for simulating defects of a photovoltaic module, relates to a device and a method for preparing an equivalent test piece for a defect unit of the photovoltaic module, and aims to solve the technical problem that the defects on the conventional photovoltaic module can only be researched through a computer model. The device comprises a femtosecond laser generator, a focused ion beam generator, a femtosecond laser fiber, a focused ion beam conduction line, a femtosecond laser emission head, a focused ion beam emission head, a defect processing mechanism and a carrier which are arranged on an objective table, wherein the femtosecond laser generator is connected with the femtosecond laser emission head through the femtosecond laser fiber, and the focused ion beam generator is connected with the focused ion beam emission head through the focused ion beam conduction line. The method comprises the following steps of fixing a solar cell on a defect processing mechanism, and firing the solar cell with femtosecond laser or focused ion beam to obtain an ohmic shunt or weak diode effect defect equivalent test piece. The method and the device are applied to the field of solar cells.
Owner:HARBIN UNIV OF COMMERCE

Motor sliding bearing

The invention belongs to the technical field of mechanical equipment bearings and particularly relates to a sliding bearing of a motor. The sliding bearing consists of an upper half part and a lower half part and comprises a tile body, tile pads, insulating layers, a sealing ring, insulating pins, insulating sleeves and bolts. The sliding bearing is characterized in that the outer surfaces of the upper half and the lower half of the tile body are respectively provided with the tile pad; the insulating layers are arranged between the tile pads and the tile body, and after the insulating pins are used for positioning, the bolts with the insulating sleeves are adopted for fastening; the inner surface of the tile pad is provided with a water flow channel; and the sealing ring is arranged around the water flow channel. Due to adoption of the scheme, the sliding bearing has the beneficial effects that (1) the structure of a water cavity is simple, the sealing is reliable, and compared with the traditional water-cavity bearing, the contact area of cooling water is large, the cooling effect is good, and special molds do not need to be used for manufacture, so that the production cost is greatly saved; (2) the insulating structure is ingeniously arranged, so that the generation of friction pairs is effectively avoided and the insulating effect is more reliable; and (3) due to combined use of the water cooling function and the insulating function, the bearing of the motor has the insulating characteristic, the bearing capability and the critical speed of rotation are improved, and the use performance is greatly enhanced.
Owner:宁波益明轴承有限公司

Power cable

The invention discloses a power cable. The power cable comprises a conductor, wherein an insulation sleeve sleeves an outer wall of the conductor, inner sides of the insulation sleeve and the conductor are filled with magnesium powder, a silica gel sleeve sleeves an outer wall of the insulation sleeve, a bottom groove sleeves the bottom of an outer wall of the silica gel sleeve, a top groove sleeves an outer wall of the top of the silica gel sleeve, the top groove and the silica gel sleeve are in interference fitting, second pull rods are fixedly connected with the bottoms of a left side and aright side of a front surface of the top groove, second connection blocks are fixedly connected with bottoms of a left end and a right end of the top groove, a side block is fixedly connected with anouter side end of each second connection block, a threaded rod is fixedly connected with a center of a bottom end of the side block, an outer wall of the bottom of the threaded rod penetrates througha sleeve block, the sleeve block and the threaded rod are in gap connection, and a threaded sleeve is in threaded connection with the bottom of the outer wall of the threaded rod. In the power cable,the power cable can be protected by matching of the top groove and the bottom groove and by the device when working is needed to be performed, and damage during placement is prevented.
Owner:FUJIAN SOUTHERN NEW CABLE

a power cable

The invention discloses a power cable. The power cable comprises a conductor, wherein an insulation sleeve sleeves an outer wall of the conductor, inner sides of the insulation sleeve and the conductor are filled with magnesium powder, a silica gel sleeve sleeves an outer wall of the insulation sleeve, a bottom groove sleeves the bottom of an outer wall of the silica gel sleeve, a top groove sleeves an outer wall of the top of the silica gel sleeve, the top groove and the silica gel sleeve are in interference fitting, second pull rods are fixedly connected with the bottoms of a left side and aright side of a front surface of the top groove, second connection blocks are fixedly connected with bottoms of a left end and a right end of the top groove, a side block is fixedly connected with anouter side end of each second connection block, a threaded rod is fixedly connected with a center of a bottom end of the side block, an outer wall of the bottom of the threaded rod penetrates througha sleeve block, the sleeve block and the threaded rod are in gap connection, and a threaded sleeve is in threaded connection with the bottom of the outer wall of the threaded rod. In the power cable,the power cable can be protected by matching of the top groove and the bottom groove and by the device when working is needed to be performed, and damage during placement is prevented.
Owner:FUJIAN SOUTHERN NEW CABLE

LED (Light-Emitting Diode) lamp with heat radiation structure

The invention discloses an LED (Light-Emitting Diode) lamp with a heat radiation structure. The LED lamp comprises a lamp head, a power panel, a fixing cover for the power panel, a lamp cup, a light source board, a heat radiator, and a lamp cover or a lens. A plurality of heat radiation fins are distributed around the heat radiator at intervals; openings are arranged at the two ends of the lamp cup; the heat radiator is mounted in the lamp cup; a heat conduction cavity is formed between each two adjacent heat radiation fins and the inner wall of the lamp cup; the light source board is provided with the heat radiator at one opening of the lamp cup; a first air vent is arranged in the lamp cover or the lens; an external diameter of the fixing cover for the power panel is less than an internal diameter of the lamp cup; a second air vent is formed by a gap between the fixing cover for the power panel and the other opening of the lamp cup; one end of each head conduction cavity is vertically communicated with the outside directly through the corresponding first air vent or the light source board and the corresponding first air vent; and the other end of each each heat conduction cavity is vertically communicated with the outside through the second air vent. With the adoption of the structure, a chimney effect is generated, so that the heat radiation properties of the LED lamp are greatly improved.
Owner:XIAMEN YANKON ENERGETIC LIGHTING CO LTD
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