Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

102results about How to "Protection against electromagnetic radiation" patented technology

Dynamic wireless power supply system used for electric vehicle and based on parallel multistage composite resonant structures and power supply method realized by adopting system

The invention discloses a dynamic wireless power supply system used for an electric vehicle and based on parallel multistage composite resonant structures and a power supply method realized by adopting the system, belongs to the field of wireless power transmission, and solves problems of mutual inductance non-uniform of long-distance power supply coupling mechanisms and electromagnetic radiation generated for pedestrians in an existing road-type dynamic wireless power supply technology for electric vehicles. The dynamic wireless power supply system comprises a network-side power supply system and an electric vehicle-side power receiving system, wherein the network-side power supply system is used for wirelessly supplying power to the electric vehicle-side power receiving system; electric energy output by an electric network is transmitted to a high-frequency inverter through a power-frequency rectifier, and n stages of composite resonant circuits are connected in parallel with an alternating-current bus of output of the high-frequency inverter; an alternating-current switch is arranged on a branch of each stage of composite resonant circuit, a magnetic sensor is arranged in the center of two adjacent emitting windings or the geometric center of each emitting winding, a receiving winding is arranged on a receiving resonant circuit, and a magnetic nail is arranged on the receiving winding and mounted in the geometric center of the receiving winding. The dynamic wireless power supply system is mainly used for performing wireless power transmission on the electric vehicle.
Owner:HARBIN INST OF TECH

Preparation method for fibreboard

ActiveCN103231525AImprove air purification effectWith automatic humidity controlFlat articlesPolyesterAdhesive cement
The invention discloses a preparation method for a fibreboard. The preparation method comprises the following steps of: uniformly mixing fibres with carbon particles accounting for 3-5% of the total mass, and then preparing the fibreboard via needling, heat setting and rolling. According to the preparation method disclosed by the invention, during a preparation process, an adhesive is not needed; the fibreboard is environment-friendly, and furthermore, the carbon particles in the fibreboard can also be used for effectively absorbing hazardous substances volatilized and released in a room. Via the needling procedure of the preparation method disclosed by the invention, the opportunity that the carbon particles are in contact with the outside is increased; during hot-pressing, low-melting-point polyester staple fibres are melted, and capable of being integrally bonded with conventional polyester staple fibres, polyamide fibres or carbon fibres and the carbon particles, thus ensuring no falling-off of the carbon particles during a use process; the carbon particles can be in contact with more air via pores among the fibres or gaps between the carbon particles and the fibres, thus increasing the adsorption efficiency of the fibres; and an adsorption experiment for formaldehyde proves that the adsorption efficiency of the fibres achieves more than 85%.
Owner:JIANGSU BURGEREE NEW TECH MATERIALS

Laminated structure of printing circuit board and multi-laminate laminated structure

A laminated structure for PCB is composed of ground layer, power supply layer, power supply layer and ground layer. Said two power supply layers between two grounding layers are positioned symmetrically at central position of whole PCB. A 12-layer PCB is composed of the 6th and the 7th power supply layers, the second, the 5th, the 8th and 11th ground layer, and the first, the third, the 4th, the 9th, the 10th and the 12th signal layers. The 14-layer and 16-layer PCBs are also disclosed.
Owner:HUAWEI TECH CO LTD

Data communication system of intelligent household electrical appliance and data communication method of intelligent household electrical appliance

The invention provides a data communication system of an intelligent household electrical appliance and a data communication method of the intelligent household electrical appliance. The data communication system of the intelligent household electrical appliance comprises a first communication conversion device and at least one second communication conversion device, wherein the first communication conversion device comprises a wireless network interface which is configured to be in data connection with a wireless network of the position of the first communication conversion device, and a first carrier module which is used for connecting a power line and is configured to carry out signal conversion between wireless network communication and power line carrier communication; the second communication conversion device comprises a second carrier module which is used for connecting the power line and is configured to carry out the signal conversion between the power line carrier communication and household electrical appliance network communication, and a household electrical appliance communication interface which is configured to be established into a household electrical appliance communication network of the intelligent household electrical appliance covering a transmission target and is in data connection with the intelligent household electrical appliance through the household electrical appliance communication network. By the aid of the data communication system, the communication of the intelligent household electrical appliance fails, caused by the fact that a wireless signal is poor, and the electromagnetic radiation of the wireless signal is reduced.
Owner:HAIER SMART HOME CO LTD +1

Turntable leveling device and method based on laser ranging

The invention discloses a turntable leveling device and method based on laser ranging. The turntable leveling device comprises a laser ranging device, a suspension and a reflector, wherein the bottom end of the suspension is fixed on the surface of a turntable; the laser ranging device is suspended on the top of the suspension through a suspension wire; the reflector is arranged on the surface of the turntable or arranged at the bottom end of a projection hole, of which the top end is opened and the bottom end is closed, in the turntable; the bottom end of the laser ranging device is opposite to the position of the reflector, so that laser rays transmitted by a transmitter of the laser ranging device can irradiate onto the reflector; the laser ranging device comprises the transmitter, a control circuit, a receiver and a phase discriminator. According to the turntable leveling device, an electronic level meter is not required, so that the interference of an ambient environment on the leveling result can be avoided, and the reliability is high; moreover, a switching power supply inside the electronic level meter can be prevented from generating electromagnetic radiation, and the electromagnetic interference generated on testing equipment arranged on the turntable, such as missile inertial navigation testing equipment, is avoided.
Owner:BEIJING INST OF ELECTRONICS SYST ENG

Intelligent baby stroller based Internet of Things

The invention discloses an intelligent baby stroller mainly characterized in the Internet of Things. According to the intelligent baby stroller, information interaction with the baby stroller is realized by using a mobile phone APP; various information of the baby stroller can be checked; various actions of the baby stroller can be controlled; the baby stroller can automatically start a cradle and play children's songs through detection of baby cry; strong light can be detected by a light ray detector and a sunshade net is closed; a humidity detection module judges whether a baby carries out bed-wetting according to humidity information and reminding is given out; a built-in color screen of the baby stroller can display time and information such as temperature and baby weight detected by sensors; and automatic control and real time monitoring are realized.
Owner:QILU UNIV OF TECH

Facial Qingpingle powder and preparation method thereof

InactiveCN102370854APurify the skinResist external pollutionPowder deliveryAntinoxious agentsHoneysuckleDisease
The invention provides a facial Qingpingle powder which is characterized by comprising the following active pharmaceutical ingredients in parts by weight: 40-50 parts of aloe, 20-25 parts of honeysuckle flower, 30-35 parts of rose, 1-1.5 parts of saffron, 15-20 parts of kuh-seng, 15-20 parts of licorice root, 15-20 parts of wistaria flower, 6-8 parts of ginseng, 6-8 parts of red ginseng, 20-25 parts of ginseng, 9-12 parts of angelica, 20-25 parts of chrysanthemum flower, 35-45 parts of Jasminum grandiflorum and 45-50 parts of lucid ganoderma. The preparation method comprises the following steps: a. respectively weighting the active pharmaceutical ingredients in parts by weight for later use; b. respectively grinding the active pharmaceutical ingredients into powder; and c. evenly mixing, and bagging. The invention has the functions of diminishing inflammation, relieving itching, removing diseases and nourishing the face, can promote skin metabolism to proceed orderly and quickly, has stable and obvious curative effect, and is easy to produce.
Owner:张毅

Instantaneous water heater achieving high-frequency electromagnetic induction heating

The invention relates to an instantaneous water heater achieving high-frequency electromagnetic induction heating. Based on the high-frequency electromagnetic induction principle, high-frequency induction current is used for enabling ferrite stainless steel pipes to generate vortex to generate heat rapidly, and water flowing through the stainless steel pipes is rapidly heated with high power; an induction heating assembly is an induction heating coil assembly formed by sealing and fixing induction coils as a whole through high temperature resisting silica gel, and the induction heating assembly is inserted in an annular clearance of an inner and outer pipe composite heating pipe, so that the outer wall of an inner pipe and the inner wall of an outer pipe receive a high-frequency induction magnetic field at the same time to generate vortex to generate heat rapidly; due to the fact that inner and outer induction heating is carried out at the same time through the induction coils, the heating speed is high, no heating power attenuation exists during long-time use, and the electrothermal conversion efficiency is high; due to the fact that three layers of stainless steel plates are arranged on the outer portions of the coils for shielding, electromagnetic radiation is effectively avoided; due to induction heating, electric insulation and isolation are higher, and the hidden danger of electric shocks is effectively avoided; and due to the action of induction heating high-frequency alternating current, water scale is avoided, and the service life of the water heater is prolonged greatly.
Owner:何树香

Composite structure electric conductive fiber coated with carbon nano tubes and preparation method of same

The invention relates to a composite structure electric conductive fiber coated with carbon nano tubes and a preparation method of same. The electric conductive fiber includes an electric conductive fiber base body and a conductive enhancing layer. The conductive enhancing layer is formed by coating the outer surface of the electric conductive fiber base body with the carbon nano tubes as a conductive agent. The electric conductive fiber base body is an electric conductive fiber of which the surface is provided with a carbon black conductive portion. The conductive enhancing layer accounts for 5-30% of the total weight of the composite structure electric conductive fiber. The coverage ratio of the conductive enhancing layer is not less than 60% relative to the whole surface of the electric conductive fiber base body. The thickness of the conductive enhancing layer is 0.1-5 [mu]m. The electric conductive fiber is produced by ultrasonically treating a coating liquid under an ultrasonic environment and meanwhile impregnating the electric conductive fiber base body in the dispersed coating liquid so as to coat the surface of the electric conductive fiber base body with the dispersed coating liquid to form the coating layer. The carbon nano tubes are uniformly and firmly adhered to almost the whole surface of the electric conductive fiber which also has excellent conductivity and flexibility, so that the electric conductive fiber can be used for manufacturing smart wearable fabrics and fibrous sensors.
Owner:JIANGSU ZJA NEW MATERIAL

Low cost radiation resistant mobile communication terminal

This invention relates to low cost anti-erudition mobile communication terminal, which comprises multiple beam antenna, multi-path signal selection switch, receive module, send module, wave beam manager module, base band process module and user irradiation alarm module, wherein, The antenna processes the wireless path hollow division address and the terminal estimates each beam received signal quality on down radio frame transmission interval to find out quality beam as receive wave beam; The user pre-set wave beam reversed to the human on the alarm module according to terminal direction; The terminal does not use the beam to receive and send to alarm user to change terminal direction till the beam sends and receives the signals.
Owner:胡淑欣

THz waveguide type VO2 temperature control switch

The invention provides a THz waveguide type VO2 temperature control switch including a cylindrical hollow waveguide I having a periodical fluctuating structure, and a waveguide II composed of a VO2 thin film and a base, wherein the cylindrical hollow waveguide I having the periodical fluctuating structure, the VO2 thin film, and the base are successively arranged from the outside to the inside, and the periodical fluctuating structure is square. The THz waveguide type temperature control switch is less in loss, simple in structure, simple in performance tuning, and wide in control range, the control of whether the terahertz wave passes through the waveguide can be achieved through the attribute conversion from the insulation phase to the metal phase before and after the VO2 phase change temperature, so that the switching function can be achieved.
Owner:HARBIN ENG UNIV

Electric automobile charging gun structure

The invention discloses an electric automobile charging gun structure. The electric automobile charging gun structure comprises a fixed end and a movable end. The fixed end and the movable end respectively comprise a magnetizer and an induction coil and can be matched with each other. During charging, the movable end is inserted into the fixed end. Each induction coil is connected with a power converter of a corresponding charging circuit, wherein the power converter is connected with a charging controller, the charging controller is connected with a communication module, the charging controller is used for detecting the input / output voltage and the current of the power converter, receiving a data signal from the communication module, sending the processed data to the communication module and sending a control signal to the power converter. A charging gun is of an electric isolation structure, a metal electrical plugging piece does not exist, and therefore electric leakage, bad contact and other potential safety hazards cannot occur; the electric automobile charging gun structure has a good shielding effect, and electromagnetic radiation is effectively avoided.
Owner:SHANDONG UNIV

Multi-effect power module for electric vehicle

The invention relates to a multi-effect power module for an electric vehicle, comprising a power module, a heat-insulation flame-retardant module and a shell anti-collision module, wherein the power module as a power source provides stable voltage and power for the electric vehicle; the heat-insulation flame-retardant module consists of a functional foaming body with an integral sealing profiling structure, and the functional foaming body is made of foam material and has the effects of water and moisture prevention, heat preservation and insulation, flame retardance, fire resistance, shock and collision avoidance and electromagnetic radiation prevention; and the shell anti-collision module consists of metal or nonmetal materials which have mechanical strength and heat conductivity. The invention ensures that the components have optimal environment-friendly ecological conditions by using environment-friendly nontoxic materials and components and partial materials can be recycled; and besides, functional parts, such as a heat conducting system and the like, can be conveniently added on the structure because the functional foaming body has the characteristic of convenient secondary processing.
Owner:李光明 +1

Anti-electromagnetic radiation wallpaper

The invention relates to an anti-electromagnetic radiation wallpaper which is characterized in that the wallpaper comprises, from bottom to top, a bottom layer (1), a first stickup layer (2), a wire mesh layer (3), a second stickup layer (4) and a surface layer (5), the bottom layer (1) is made from PVC-based paper, the first stickup layer (2) and the second stickup layer (4) are both made from a polyvinyl chloride coating, the wire mesh layer (3) is an iron gauze, a copper mesh or other synthetic wire meshes, a graphite particle is spread in apertures of the wire mesh, and the surface layer (5) is made from a knitted fabric. According to the invention, since the wire mesh layer capable of resisting electromagnetic radiation is arranged between the bottom layer and the surface layer through an adhesive, the wallpaper can effectively prevent electromagnetic radiation, so harm to health of people is avoided, mutual interference among an electromagnetic element, electromagnetic equipment and the like is avoided, and the service life of an electric appliance is prolonged.
Owner:孟莉莉

Terrapin hatching and feeding house

InactiveCN103636560AGood adaptability to environmental changesImprove healthAnimal husbandryEngineeringElectromagnetic radiation
The invention discloses a terrapin hatching and feeding house which comprises a house body and a transparent roof, wherein covering cloth which can be spread and collected at one end of the roof is arranged on the upper side of the roof, and heat absorption cloth which can be spread and collected at one end of the roof and is located in the house body is arranged on the lower side of the roof. According to the terrapin hatching and feeding house, the indoor temperature can rise, and excessive variation of the indoor temperature or invariable constant indoor temperature can be avoided, so that the indoor environment can follow the nature law and naturally changes, a young terrapin hatched and growing in the environment can have better environmental change adaptability in the later period due to the naturally rising temperature and humidity, and the heath degree is higher; and through sunlight irradiation, solar energy is absorbed for obtaining heat, so that the indoor temperature changes slowly, the process follows nature law and is not forced, electromagnetic radiation is avoided, and the injury to the young terrapin by electric leakage is prevented further.
Owner:茂名市电白区星火水产养殖有限公司

Sealed shielded power network protection cabinet

The invention relates to the field of electronic communication equipment, in particular to a sealed shielded power network protection cabinet. The cabinet comprises a cabinet body, a cabinet door, a voltage stabilizer, a circuit breaker, a contactor, a transformer, a relay, a current Hall transformer, a switch power supply, a digital board, an analog board and a connecting terminal. A transition chamber is arranged outside the cabinet door; and a foaming plastic layer, a metal shielding layer and an elastic foam layer are arranged in the plates of the cabinet body, the cabinet door and the transition chamber respectively. The transition chamber and the cabinet body are connected integrally to encircle the cabinet door, and a sealed door is arranged on the transition chamber. The metal shielding layers added in the plates of the cabinet body and the cabinet door can effectively prevent electromagnetic radiation and electromagnetic leakage, obviously improve the positioning reliability, improve the production efficiency and ensure system safety and power supply quality safety; and the transition chamber can greatly improve the protective tightness.
Owner:常州市武进华联电控设备股份有限公司

Pneumatic transporter with high accuracy steering control and steering control method thereof

The invention provides a pneumatic transporter with high accuracy steering control and a steering control method thereof to solve the problems that a moving trolley is low in steering accuracy, and difficult to be applied to high precision, inflammable and explosive situations due to electromagnetic radiation of motor and electric spark. The pneumatic transporter with high accuracy steering control comprises a loading table, a frame, wheels, a lift cylinder assembly, a lift push plate, a rear drive cylinder support seat, a rear drive cylinder, a pneumatic spiral steering drive, a front wheel shaft, a front ratchet disk, a front ratchet gear, a front drive gear, a front drive rack, a rear drive rack, a rear drive gear, a rear ratchet disk, a rear wheel shaft, a rear ratchet gear, a front drive cylinder and a front drive cylinder support seat. Piezoelectric ultrasonic vibration control screw pair self-locking is used to unlock, the movement and braking of a flange hollow screw rod is achieved with the combination of compressed air, and the alternately air control of the lift cylinder and the pneumatic screw steering drive is achieved, so as to achieve the precise steering of the transporter.
Owner:CHANGCHUN UNIV OF TECH

Mailbox control system, mobile terminal and mailbox control device

The invention discloses a mailbox control system which comprises a secret key transmitting device and a mailbox control device. The secret key transmitting device is built in a mobile terminal and comprises a control unit and a light emitting diode. The control unit is used for converting obtained identifying data into upper rim triggering signals and lower rim triggering signals and driving the light emitting diode to emit an optical signal which represents the identifying data according to the upper rim triggering signals and the lower rim triggering signals. The mailbox control device is arranged on a mailbox and comprises an optical signal processing unit and a verifying unit. The optical signal processing unit is used for receiving the optical signal and converting the optical signal into binary data. The verifying unit is used for receiving the binary data and comparing the binary data with verifying data stored ahead. If the binary data are matched with the verifying data stored ahead, the mailbox control unit carries out unlocking. With the mailbox control system, the mobile terminal and the mailbox control device, electromagnetic pollution is avoided and a mutual unlocking rate of mailboxes is zero.
Owner:KUANG CHI INTELLIGENT PHOTONIC TECH

Wireless charging system and charging method based on electromagnetic wave

The invention relates to a wireless charging system and a charging method based on an electromagnetic wave. The wireless charging system based on the electromagnetic wave comprises a transmitting device and a receiving device arranged on an electronic device. The transmitting device comprises a signal generating module, a transmitting antenna, a first monitoring module and a position monitoring module. The signal generation module is connected with an external power supply. The first monitoring module is used for acquiring and judging the working parameters of the external power supply, the signal generation module and the transmitting antenna. The position monitoring module monitors the position parameters and the working parameters of the transmitting antenna. The receiving device comprises a receiving antenna, a conversion unit and a second monitoring module. The second monitoring module obtains the position parameter of the receiving antenna and feeds back to the position monitoring module, and is used for obtaining and judging the working parameter of the analysis conversion unit to feed back to the external power supply, so that the external power supply adjusts the working parameter. The wireless charging system based on electromagnetic wave can realize point-to-point energy transmission and improve charging efficiency.
Owner:SHENZHEN FANTWAVE TECH CO LTD

Halogen-free and environment-friendly EPDM (Ethylene-Propylene-Diene Monomer) rubber/negative oxygen ion powder mixed closed-cell secondary foaming material and preparation method thereof

ActiveCN105885245AReduce binding efficiencyDecentralized synchronizationDispersityOxygen ions
The invention relates to the technical field of foaming materials and provides a halogen-free and environment-friendly EPDM (Ethylene-Propylene-Diene Monomer) rubber / negative oxygen ion powder mixed closed-cell secondary foaming material and a preparation method thereof. Negative oxygen ion powder of the halogen-free and environment-friendly EPDM rubber / negative oxygen ion powder mixed closed-cell secondary foaming material can be effectively combined with halogen-free and environment-friendly EPDM rubber under the condition that high biological activity of the negative oxygen ion powder is maintained, the dispersity of the negative oxygen ion powder on rubber molecules is effectively improved, original excellent physical properties of the rubber can be effectively reserved, enough negative oxygen ions can be released effectively and sufficiently, a product prepared from the secondary foaming material can continuously release 1,500 negative oxygen ions in each cubic centimeter of space in a static state, can improve ambient air quality and benefits human health; the preparation method of the halogen-free and environment-friendly EPDM rubber / negative oxygen ion powder mixed closed-cell secondary foaming material is simple to operate, easy to implement and suitable for large-scale production.
Owner:YIBAO FUJIAN POLYMER MATERIALS

Pair-twisted double-guide carbon fiber heating cable

A pair-twisted double-guide carbon fiber heating cable mainly consists of a protective bushing and carbon fiber heating wires; the carbon fiber heating wires consist of a plurality of carbon fibers and insulation protecting layers; and carbon fiber heating wires are pair-twisted spirally inside the protective bushing. The pair-twisted double-guide carbon fiber heating cable has the excellent features of scientific and rational design structure, high-temperature resistance, ageing resistance, anti-interference, high efficiency, energy conservation and good thermal stability; because of no radiation, the pair-twisted double-guide carbon fiber heating cable does not need to be shielded and the production cost is saved greatly.
Owner:DEZHOU NUANKANG CARBON FIBER TECH

Electric heating system with direct-current power regulator

The invention relates to an electric heating system with a direct-current power regulator. The electric heating system with the direct-current power regulator comprises an electric heating piece and is characterized in that the electric heating piece is connected with the direct-current power regulator, the direct-current power regulator comprises a step-down rectification regulating circuit and a central processing unit in communication with the step-down rectification power regulating circuit, the input end of the step-down rectification power regulating circuit is connected with a mains supply, and the output end of the step-down rectification power regulating circuit is connected with the electric heating piece. The electric heating system with the direct-current power regulator has the advantages that alternating current is converted into direct current, voltage is lowered, electricity using safety and personal safety are improved, electromagnetic radiation is avoided, meanwhile, a power regulating type working mode is adopted, energy utilizing efficiency is improved, and energy conservation and emission reduction are facilitated.
Owner:ZHEJIANG HUAYUAN ELECTRIC HEAT

Wireless coverage antenna unit, antenna assembly and multi-antenna assembly

The invention relates to a wireless coverage antenna unit. The wireless coverage antenna unit comprises a substrate; an oscillator which is arranged on the substrate for radiating electromagnetic waves; and a director which is arranged on the substrate for making the beam width radiated by the antenna unit in a default frequency band is not less than 180 degrees according to the structure, the size and the distance between the antenna unit and the oscillator, and restraining the radiation intensity of the antenna unit in the coverage of another antenna unit having a same frequency. The antenna unit provided in the invention has the advantage of good directivity, narrow-beam wireless coverage can be realized in the default frequency band to avoid the electromagnetic radiation on regions which do not need to be covered, and the signal intensity in the coverage area can be realized.
Owner:KUANG CHI INST OF ADVANCED TECH

Feeder insulator and on-plane short-wave radio station wire antenna using same

The invention provides a feeder insulator and an on-plane short-wave radio station wire antenna using same. The wire antenna comprises a first steel wire and a second steel wire. The top ends of the two steel wires are connected through screwing, and furthermore the two steel wires are mounted on a vertical tail of a plane through a connector. The connector comprises an insulator, a vibration damper and an ear ring. The lower end of the first steel wire is fixed on a skin at the front end of the plane through a through insulator. Furthermore the lower end of the second steel wire is connected with a short-wave radio station antenna RF feeder wire at the back end of the plane through the feeder insulator. The feeder insulator comprises a metal column core, an insulating cover, an insulating pad and a shielding housing. The feeder insulator provided by the invention can prevent electromagnetic radiation of a short-wave radio-station antenna signal in the plane body and prevents electromagnetic interference to operation of other electronic equipment in the plane. The double-steel-wire structure of the on-plane short-wave radio station wire antenna has advantages of sufficiently utilizing a limited short-wave antenna mounting space at top of the plane body, simplifying shape structure of the wire antenna, reducing number of outer projections of the antenna, and reducing aerodynamic resistance of the antenna in flight process of the plane.
Owner:中国人民解放军海军航空大学青岛校区

Constant light of switch power supply maintaining lamp and with power feedback

The invention provides a switch power supply and an algorithm. Under one application condition, the switch power supply comprises a switch converter with power feedback. The switch converter outputs constant power to enable the lamp to maintain constant light. A power feedback circuit comprises a current feedback circuit and a voltage feedback circuit. The switch power supply is provided with a controller to adjust connection time and duty ratio of a main switch to maintain constant output power.
Owner:西安阿普莱特光电科技有限公司

Single-phase power transformer

The invention belongs to the field of electric power supply and discloses a single-phase power transformer. The single-phase power transformer comprises a magnetic core, a coil and a shell. The invention further discloses a transformer case. The transformer case is prepared by 18 parts of silicon carbide, 15 parts of bauxite, 14 parts of quartz sand, 12 parts of magnesium oxide, 3 parts of lead sulfate, 2 parts of lithium-based bentonite, 2 parts of borax, 1 part of dried calcium sulfate and 1 part of palygorskite. The prepared transformer case can effectively prevent electromagnetic radiation and is good in corrosion-resistant effect and superior to like products on the market.
Owner:GUANGDONG YUANJING ENERGY

Shielded power grid protective cabinet

The invention relates to the field of electric communication equipment, in particular to a shielded power grid protective cabinet. The cabinet comprises a cabinet body, a cabinet door, a voltage stabilizer, a breaker, a contactor, a transformer, a relay, a current Hall transformer, a switch power supply, a digiboard, an analog board and a wiring terminal, wherein the board structure of the cabinet body and the cabinet door is formed by a steel plate layer, a foaming plastic layer, a metal shielding layer, a flexible foam layer and an insulating shell layer successively from inside to outside, wherein an air conditioner is arranged on the top of the cabinet body, and an insulating earthing lead wire is arranged on the bottom of the cabinet body. The metal shielding layer is added between the cabinet body board and the cabinet door board, so that electromagnetic radiation and electromagnetic leakage can be effectively prevented, positioning reliability can be remarkably improved, production efficiency can be improved, and system safety and quality safety of power supply can be ensured.
Owner:常州市武进华联电控设备股份有限公司

Protective door of Cobalt-60 accelerator

The invention discloses a protective door of a Cobalt-60 accelerator. The protective door comprises a front plate (1), protective lead plates (2), a channel steel frame (3) and a fixed bolt (4) and is characterized in that the protective lead plates (2) is arranged at the inner side of the front plate (1); two layers of the protective lead plates (2) are supported by the channel steel frame (3) to form a cavity (5); and the fixing bolt (4) is fixedly connected with the channel steel frame (3) after sequentially passing through the front plate (1) and the protective lead plates (2). The protective door of the Cobalt-60 accelerator, disclosed by the invention, is formed by assembling the steel plate and the lead plates in a manner of forming the cavity between the lead plates; a radiation-proof filler is arranged inside the cavity as required, and protective lead blocks are arranged at the fixing bolt holes, so that the electromagnetic radiation, and X rays, Y rays and the like can be effectively prevented and the radiation-proof area can be increased to a maximum extent without dead corners left; and the protective door of the Cobalt-60 accelerator has the features of simple structure and low cost and is suitable for popularization and use.
Owner:丁俊 +1

High-temperature- and high-voltage-resistant high-insulating-property ignition cable

InactiveCN105304173AHigh temperature resistance and easy bending strengthGood performance at high altitudePower cables with screens/conductive layersInsulated cablesElectrical conductorElectromagnetic shielding
The invention provides a high-temperature- and high-voltage-resistant high-insulating-property ignition cable, and aims to provide an electromagnetic shielding ignition cable which has strong adaptability to severe environment, small in electromagnetic leakage, high in medium insulation strength and low in transmission loss, can shield stray radiation of ignition energy, can reach high insulation of 20kV in direct current withstand voltage, and can achieve shielding effectiveness of above 50dB. The ignition cable is realized through the following technical scheme: a nickel-core conductor penetrates through an inner-layer insulator, a glass fiber which serves as one of the insulators wraps the nickel-core conductor, the insulator passes through a middle layer corrugated metal hose whose outer layer has a mesh sleeve woven and is wrapped between the nickel-core conductor and the corrugated metal hose, alumina powder is filled in an inner gap between an outer surface of the glass fiber that penetrates into an inner wall of the corrugated metal hose and an inner surface of the corrugated metal hose, and an outer layer shielding body has the metal stainless steel mesh sleeve woven. The high-temperature- and high-voltage-resistant high-insulating-property ignition cable overcomes the defects that a traditional ceramic insulator cable is poor in bending performance, high-altitude performance and anti-mechanical vibration capability and electromagnetic leakage cannot be avoided.
Owner:四川泛华航空仪表电器有限公司

Chinese herbal medicine healthcare Buddha bead and preparation method thereof

The invention discloses a Chinese herbal medicine healthcare Buddha bead and a preparation method thereof. The Buddha bead is formed by serially connecting beads which have rope holes in centers through a winding rope, wherein the diameters of the beads are 5-20mm, and the Buddha bead comprises small bead bodies in centers, medicine layers covering the beads and casings with air vents; the Chinese herbal medicine healthcare Buddha bead is prepared by processing, mixing and grinding aromatic traditional Chinese medicines and fresh Chinese herbal medicines forming the medicine layer respectively, mixing with auxiliary materials, covering on the surfaces of small bead bodies, and covering the casings outside the bead bodies. Through the medicine layers which are prepared by mixing various Chinese herbal medicines in the beads, the Buddha bead disclosed by the invention can take an effect of massaging acupuncture points of a wearer in the processes of rubbing and pressing; and furthermore, through fragrance of medicinal materials, the Buddha bead has healthcare functions of refreshing and relieving, calming and inhibiting bacteria, and the like.
Owner:杜恒
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products