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

164results about How to "Save wire" patented technology

Fully automatic wire winding machine

The invention provides a fully automatic wire winding machine, which belongs to the technical field of wire winding machines and solves the problems that the current conventional wire winding machine has low working efficiency and cannot achieve full automation. The fully automatic wire winding machine is connected with a hauling machine; the hauling machine is connected with a wire outlet machine. The fully automatic wire winding machine comprises a base, a detection device, a PLC control-based control cabinet and a man-machine interface arranged on the base, wherein both the detection device and the man-machine interface are connected with the control cabinet; the base is provided with a wire feeding and arranging mechanism, a wire winding mechanism and a wire fetching mechanism; and the wire feeding and arranging mechanism, the wire winding mechanism and the wire fetching mechanism are controlled by the control cabinet to wind a wire on the wire winding mechanism from the wire feeding and arranging mechanism and fetch the wound wire out from the wire winding machine. The fully automatic wire winding machine has the advantages of fully automatic operation, high working efficiency, wire saving and the like.
Owner:台州威旗塑胶机械科技有限公司

Rope light having a multi-circuit arrangement

A rope light having a multi-circuit arrangement is disclosed. The light comprises a plurality of electrical wires longitudinally extended therealong; and one or more pairs of first and second illuminating units, each pair being electrically coupled between any two electrical wires, each illuminating unit including a plurality of LEDs coupled in series, and the first and the second illuminating units in each pair being connected in parallel. Applying AC source between any two electrical wires sequentially will lighten up the first and the second illuminating units in each pair alternately by enabling current to flow through the LEDs in each illuminating unit toward a predetermined direction when the LEDs are conducted. The invention can control on / off of a plurality of LEDs by means of a relative small number of electrical wires.
Owner:HAYASHIBARA BIOCHEMICAL LAB INC

Power source apparatus

A power source apparatus with a saving in wiring, large noise immunity and an additional function is achieved by connecting AC input bus lines (Vin+), (Vin−), DC output bus lines (Vo+), (Vo−) and a current balance signal bus line (CB) for connecting first, second, third power source units 1, 2, 3 through connectors to form a module power source and connecting an additional function unit 4 for adding a predetermined additional function to the module power source using the bus lines to this module power source through a connector.
Owner:ORMON CORP

Electric power management system

An electric power management system includes a power generation apparatus for generating electric power, a power meter for receiving grid-connected information and a power conditioner for outputting the electric power generated by the power generation apparatus to the electric power system based on the grid-connected information. The grid-connected information is information related to stabilization of electric power of an electric power system from a management center for managing the electric power of the electric power system
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD

Self-power-generation wireless switch

The utility model relates to the technical field of switches, and discloses a self-power-generation wireless switch including a micro-generator and a control panel for transmitting outwards a wireless control signal. The micro-generator includes a movably arranged magnet set and a coil set. The coil set includes an iron core and a wire electrically connected to the control panel. The wire winds itself round the iron core to form a coil. The magnet set is disposed on an outer side of the coil set and is arranged to be facing right to a center line of the coil. The magnet set includes a permanent magnet and magnetic plates which are disposed on two opposite sides of the permanent magnet. In the self-power-generation wireless switch, by operating the magnet set to move up and down, mechanical energy is converted into electric energy, and thus an effect of supplying power to the control panel through self-power-generation and transmitting outwards the wireless control signal is achieved. The self-power-generation wireless switch is excellent in reliability and good in safety performance, has the convenience of a remote-control switch, does not needs to use a chemical battery, prevents waste and environment pollution, does not need wire arrangement, and thus the cost is saved and the layout is convenient. In addition, the self-power-generation wireless switch is simple in structure and can be widely promoted and applied to daily life.
Owner:刘远芳

Multi-LED display module management method

The invention relates to a multi-LED display module management method, which can be applied to an LED display screen system comprising a receiving card and cascaded multiple LED display modules. The multi-LED display module management method comprises a step of wire arrangement detection and a step of point detection. According to the step of wire arrangement detection, multiple signal lines serve as the current external interrupt source one by one by using a timer to realize wire arrangement detection. According to the step of point detection, a timer capture mode or an external interrupt mode is used for reading level values of RGB data lines in the multiple signal lines to obtain point detection result data and store the data. Through carrying out program design on a microprocessor module of each LED display module, intelligent management on the LED display module is realized, and by using serial port communication, wire arrangement detection is thus realized, and even multiple functions such as point detection, IAP functions, working temperature recording, working voltage recording, flash memory management, and authorization management can be realized.
Owner:XIAN NOVASTAR TECH

Voltage-drop compensation method for power output lines and switch power supply

The invention discloses a voltage-drop compensation method for power output lines and a switch power supply, and the key points of the technical scheme are as follows: the circuit at the feedback part of the switch power supply comprises a sampling resister 04, a reference source 03, a photoelectric coupler 02, an output capacitor 05, a power output line resister 06 and a current-limiting resister 01, wherein one end of the current-limiting resister 01 is connected with the output resister 05, and the other end thereof is connected with the photoelectric coupler 02; the photoelectric coupler 02 is connected with the cathode of the reference source 03, the anode of the reference source 03 is set as a reference ground, and the reference end of the reference source 03 is connected with the common ports of R2 and R3 of the sampling resister 04; R2 end of R2 and R3 of the serial sampling circuit 04 is connected with the output capacitor 05, and R3 end is connected with the reference ground of the reference source 03; and a compensation resister Rd is added between the reference ground of the reference source 03 and R3 of the sampling resister 04. The invention has the advantages of saving wires and improving load regulation. The invention can be used in the feedback parts of various power supplies, and comprises but is not limited to the following devices such as a flyback converter, a forward converter, a half-bridge converter, a full-bridge converter, a quasi-resonant converter and the like.
Owner:KYLAND TECH CO LTD

Gimbal

A gimbal includes a housing (1). A gyroscope board (4), a camera (21), and a camera main control board (22) electrically connected with the camera are disposed in the housing. A Wi-Fi circuit board (31) and a Wi-Fi antenna (33) are also disposed in the housing. The Wi-Fi circuit board is electrically connected with the camera main control board. The camera is fixed on the housing. The gimbal achieves the independent Wi-Fi transmission, so that the structure is simplified.
Owner:YUNEEC TECH CO LTD

Host-free parking auxiliary system

A host-free parking auxiliary system relates to a parking auxiliary system and has higher stability and lower cost. The host-free parking auxiliary system comprises an ultrasonic ranging sensor, a transmission line, an alarm unit and a power module. The sensor is provided with a power circuit, a communication circuit, an emission driving circuit, a piezoelectric ceramic sensor, a reception amplification circuit, an output driving circuit and a singlechip, wherein the input end of the power circuit is connected with the singlechip, the communication circuit, the emission driving circuit, the reception amplification circuit and the output driving circuit, and is connected with the power source of an automobile through a signal line; the output and input ends of the communication circuit are connected with the input and output ends of the singlechip; the output end of the emission driving circuit is connected with the piezoelectric ceramic sensor; the output end of the piezoelectric ceramic sensor is connected with the input end of the reception amplification circuit; the output end of the reception amplification circuit is connected with the singlechip; one end of the output driving circuit is connected with the singlechip and the other end is connected with the alarm unit; and both ends of the transmission line are connected with the ultrasonic ranging sensor and the power module.
Owner:柯文河

Servo control system

The invention discloses a servo control system applied to precise numerical-control machine tool processing equipment. The servo control system comprises a programmable control unit with a CAN (controller area network) open communication interface and a servo driving unit with a CAN open communication interface, and the programmable control unit is in communication with the servo driving unit via a CAN open bus. A positioning module of a programmable controller is omitted, the CAN open bus replaces a pulse signal wire and a control wire, consumption of wires is reduced by two-third, cost is saved, and simultaneously, failure rate of circuits is greatly reduced. Digital signals transmitted by the CAN open bus replace pulse signals of the prior art, problems that speed is limited due to over high pulse frequency and individual pulse signals cannot be identified by servo drivers in the prior art are resolved, the speed can be 1.5 times faster than the original speed, processing efficiency is improved, and precision is increased to 0.3mm from 0.5mm of the original precision.
Owner:CHENGDU VISTA CNC MFR

Voltameter box

The invention discloses a coulombmeter case, which comprises at least two case bodies, a case cover and other assembly devices, wherein the lower part of each case body is provided with a routing channel, a routing channel clapboard and a switch base; the routing channel clapboard divides the routing channel into an upper layer and a lower layer; moreover, the lower end of each case body is divided into a wire lead-in chamber and a wire lead-out chamber through a vertical clapboard and a wire-pressing block. The coulombmeter case has the characteristics of safety, economical efficiency, electricity stealing prevention, multiple functions, simple manufacturing process, strong commonality and flexible configuration, etc.
Owner:万家盛 +1

Co-cable transmission device and method for small remotely controlled underwater robot

The invention relates to a co-cable transmission device and method for a small remotely controlled underwater robot. The co-cable transmission device comprises a water module and an underwater module, and the water module and underwater module are connected through a transmission co-cable for transmitting radio frequency / alternating current power supply signals. The method includes that using a carrier technology to modulate video and data signals, after compounding with the alternating current power supply signals, realizing multi-signal transmission through a single-core coaxial cable. The co-cable transmission device for the small remotely controlled underwater robot comprises the water module and underwater module connected by the co-cable; the co-cable transmission device is low in cost, high in transmission quality, strong in anti-interference performance, capable of simultaneously transmitting power supply signals and two kinds of different radio frequency signals on the same cable, and suitable for the small remotely controlled underwater robot.
Owner:SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI

Motor and sine stator

The invention relates to a single phase or three phases including an alternating current synchronous motor stator, an alternating current asynchronous motor stator and the like, in particular to a motor and a sine stator. A plurality of teeth 5 and a plurality of teeth 4 are circumferentially arranged at intervals, the width of bodies of the teeth 5 is larger than that of bodies of the teeth 4 by two or more times, the motor sine stator is formed by arranging the teeth 5 serving as the main parts and the left and right teeth 4 serving as the auxiliary parts, three-tooth pole cambered surface air gaps are distributed according to the sine law, but the total cross section of an iron core is kept unchangeable, the polar distance becomes short, the end of a stator coil becomes short, the resistance of the coil is small, the loss is reduced, motor output and efficiency are increased, wire rods are saved, and wire inserting and connecting are easy to conduct in a labor saving mode. Thus, the effect of five harmonics, seven harmonics and other harmonic magnetic potentials on the motor is further reduced, the performance and the torque of the motor are improved, and the motor sine stator has good energy saving and emission reducing effects.
Owner:顾明

Single-layer short isometric winding of 48-slot 4-pole three-phase asynchronous motor

The invention relates to a single-layer short isometric winding of a 48-slot 4-pole three-phase asynchronous motor, belongs to the field of the structural design of motors, and aims at providing the single-layer short isometric winding which is capable of improving motor efficiency and saving wires, and is convenient to wind and simple in embedding the wires. All the pitches, shapes and sizes of coils in the single-layer short isometric winding of the 48-slot 4-pole three-phase asynchronous motor are the same. The pitches of the coils are 9, and the wires are embedded on the single-layer short isometric winding in an overlapping method, and the single-layer short isometric winding is connected in a salient pole connection method and is suitable for manufacturing and maintenance of the three-phase asynchronous motor provided with a stator which is provided with 48 slots and 4 poles. According to the single-layer short isometric winding of the 48-slot 4-pole three-phase asynchronous motor, the length of the end portion of the winding is shortened through changing of the pitches of the coils so as to shorten the total length of the coils and reduce stator resistance, and consequently copper consumption of the stator is reduced. Meanwhile, fifth subharmonics and seventh subharmonics severely affected in a magnetic field of the motor are significantly reduced, the phenomena of magnetic leakage are reduced, and consequently stray losses are lessened. Moreover, efficiency and performance of the motor are effectively improved, and compared with an existing single-layer winding, the wires are saved by about 15% and production efficiency is improved by 30%.
Owner:朱运龙

Wiring structure for electrically powered two- or three-wheeled vehicle

Disclosed is an electrically operated two- or three-wheeled vehicle, wherein an electric motor that produces power to drive a rear wheel is housed in a swing arm that is supported such that it can swing by means of a spindle on a pivot plate that is provided at the bottom of a pair of left / right rear frames, a high-voltage battery, which supplies power to the electric motor is supported by a vehicle body frame and is disposed farther forward than the spindle, and the high-voltage battery is connected by means of high-voltage system wiring to a power drive unit disposed on the swing arm. In the vehicle, high-voltage system wiring (86), which extends obliquely toward the upper front from the top surface of a power drive unit (71) in the width direction toward one of the rear frames (29) of the pair of left / right rear frames (29), extends upward to the rear along the inside of one of the rear frames (29) in the width direction and then extends out toward a high-voltage battery (36). Therefore, it is possible to prevent the high-voltage system wiring from being subjected to bending stress and to make it difficult to see from the exterior of the vehicle, thus, improving the appearance.
Owner:HONDA MOTOR CO LTD

High-performance novel television-computer integrated machine

The invention relates to a high-performance novel television-computer integrated machine, which comprises a mainboard, a power supply module, a computer function module and a television function module, wherein the computer function module and the television function module are integrated on the mainboard; the computer function module comprises a south-north bridge core group; the television function module comprises a CPU main control unit, a CA interface unit, a PS2 interface circuit and an infrared receiving unit; and the infrared receiving unit, the CA interface unit and the PS2 interface circuit are all connected with the CPU main control unit. The high-performance novel television-computer integrated machine has the advantages of small size and light weight, compact structure, energy saving, no noise and long service life, supports modes, such as standby, dormancy to a hard disk, dormancy to a memory and the like and integrates the television function module and the computer function module into one mainboard, and therefore fussy connection wires between the television function module and the computer function module are reduced; in addition, the television function module and the computer function module are communicated in a convenient and rapid PS2 format; and a main control unit of the television function module is used as a control core, therefore convenient switchover between a television and a computer is achieved through controlling the main control unit by a remote controller.
Owner:武汉光动能科技有限公司

Flying disc type full-automatic winding machine and winding method thereof

The invention discloses a flying disc type full-automatic winding machine. The flying disc type full-automatic winding machine comprises a table facet flat plate, wherein a headstock is fixedly arranged on the table facet flat plate, and at least one rotary flying disc is arranged on the headstock and connected with a driving wheel through a conveying belt. The driving wheel is driven by a main motor and drives the flying disc to rotate. The main motor drives the flying disc to rotate. A fixed inner gear ring of the flying disc drives a carrier gear and a transmission gear to rotate, and the transmission gear drives a central gear to rotate through an intermediate gear. A central shaft and a winding mould on the central shaft do not rotate while the central gear and the flying disc rotate synchronously. The flying disc type full-automatic winding machine can perform multi-strand parallel winding by adopting the large-current motor and enable wires to fly into a groove through a flying fork rod of the flying disc, multi-strand wires are not intersected during winding, wire packages are arranged orderly, the end faces are compact and clear, the quality is reliable, the time and the labor are saved, the cost is also saved, and the economic benefit is improved. The invention further discloses a winding method of the flying disc type full-automatic winding machine.
Owner:浙江省三门县王中王电机焊接设备有限公司

Method for processing transformer before tin soldering

The invention discloses a method for processing a power transformer before tin soldering. The method comprises the following steps of: respectively winding three layers of insulated wires and enameled wires on a bobbin of a transformer insulating seat by using a winding machine; after the three layers of insulated wires are wound on the bobbin, directly winding a wire inlet end and a wire outlet end of each of the three layers of insulated wires on two pins in the transformer insulating seat; and removing outer insulating layers of the wire inlets end and the wire outlet ends of the three layers of insulated wires which are wound on the two pins by using a laser processing machine or other laser processing equipment in a laser processing mode, and then performing tin soldering operation. By directly winding the wire inlets end and the wire outlet ends of the three layers of insulated wires on the two pins after the three layers of insulated wires are wound on the bobbin, remaining wires are not required to be reserved, so that wire materials are relatively saved. Because the wires are not required to be manually wound on the two pins, labor time and labor power are relatively saved. By removing the outer insulating layers of the three layers of insulated wires in the laser processing mode, manual stripping is not required, accuracy is realized, the labor time and the labor power can be saved, and product yield is improved.
Owner:DETZO SHEN ZHEN

Wireless accessing building service device and self-networking method thereof

The invention discloses a wireless accessing building service device and a self-networking method thereof and relates to relay transmission and a processing device of wired / wireless information and a networking method thereof. The wireless accessing building service device is provided with a plurality of wireless terminals, a coding chip, a light-emitting diode (LED) lamp, a keyboard, a wire jumper circuit, a power supply circuit and a wireless communication module are arranged in each wireless terminal. The wireless accessing building service device is further provided with a wired supervisor and a plurality of wired / wireless repeaters, wherein the plurality of wired / wireless repeaters is in parallel connection with an input / output (I / O) interface of the wired supervisor, an I / O interface is arranged on each wired / wireless repeater and correspondingly connected with the I / O interface of the wired supervisor through multicore cables, and a wireless communication module is arranged on each wired supervisor and in wireless connection with wireless communication modules of the adjacent wireless terminals. The wireless accessing building service device is flexible and convenient to apply and low in cost.
Owner:厦门尚享电子科技有限公司

Ethernet lighting control system and method for stage lamp

The invention discloses an Ethernet lighting control system and method for a stage lamp. The system comprises an ARTNET console and a plurality of rows of stage lighting fixtures. Each row of stage lighting fixtures comprises a plurality of stage lighting fixtures connected in series in sequence. Each stage lighting fixture is internally provided with a network switching unit. The ARTNET console is connected with the network switching unit of the first stage lighting fixture in each row of stage lighting fixtures through a network cable. Adjacent stage lighting fixtures in each row of stage lighting fixtures are sequentially connected through a network cable. A network control signal sent by the ARTNET console is transmitted to the network switching units of the first stage lighting fixtures. The network switching unit of the former stage lighting fixture receives and transmits the network control signal to an internal circuit for processing to switch to the network switching unit of the next stage lighting fixture. Compared with the prior art, the system and method of the invention have the beneficial effects of requiring few cables, being simple to control, saving the cost, facilitating the troubleshooting of the point of failure, reducing the workload of installation and maintenance, and being high in network transmission speed.
Owner:GUANGZHOU HAOYANG ELECTRONICS CO LTD

Mass pouring concrete temperature measuring and cooling method

A mass pouring concrete temperature measuring and cooling method is characterized by comprising the following steps that a, a temperature tube and a cooling pipe are prefabricated; b, the temperature tube and the cooling pipe are mounted; and c, concrete is subjected to temperature measuring and cooled in the concrete pouring process. The mass pouring concrete temperature measuring and cooling method has the advantages that a temperature measuring and cooling device is simple in structure and convenient to use, the effect that measured temperature data are accurate and reliable is ensured, the process is simple, construction is convenient, and the project cost is reduced.
Owner:MCC5 GROUP CORP SHANGHAI

Novel giant tyre retreading technology

InactiveCN104339683ASimple refurbishment processShorten production timeTyresTweelVulcanization
The invention discloses a novel giant tyre retreading technology. Air is isolated by adopting a high-temperature-resisting plastic paper sleeve more than 200 DEG C; a tyre with an inner tube is sealed through a steel ring side plate; a tyre without the inner tube is sealed through an inner sleeve and an outer sleeve; inner gas must be introduced outside a tank; in the vulcanization process, the air pressure in the tank must reach 6kg, and then vulcanization is carried out; the vulcanization temperature needs to reach 115 DEG C to 117 DEG C, and the vulcanization time is begun to be recorded; after vulcanization is completed, gas in the plastic paper sleeve should be exhausted, and meanwhile gas in the vulcanization tank and gas in the tyre are exhausted; when it is determined that pressure in the vulcanization tank and the tyre is zero, the tank is opened, the tyre is pushed out along a guide rail, and the plastic sleeve and the steel ring are disassembled; the giant tyre with the maximum size in the Asia can be retreaded; the repairing and retreading problem of the damaged giant tyre can be solved, the abrasion performance of the giant tyre can be obviously improved, the tyre use cost by an enterprise is reduced, the pollution, caused by waste tyres, to the environment is prevented, and the waste tyres can be effectively recycled.
Owner:邱亚芹

Device for testing comprehensive performance of round wire concentric lay overhead electrical stranded conductor

A device for testing comprehensive performance of a round wire concentric lay overhead electrical stranded conductor comprises a horizontal tension tester and a conductor direct-current resistance test device, wherein the horizontal tension tester comprises a main machine, a truss frame, a crossbeam and a jaw joint; guide rails are arranged on one side of the truss frame; the crossbeam is fixed to the truss frame and perpendicular to the guide rails; the jaw joint comprises a crossbeam jaw joint and a near-end jaw joint; the crossbeam jaw joint is fixed to the middle part of the crossbeam; the near-end jaw joint is fixedly connected to a piston of the main machine; the conductor direct-current resistance test device comprises a bridge main machine and two bridge testing arms; conductor clips are arranged at one ends of the bridge testing arms, and U-shaped sliding blocks are arranged at the other ends of the bridge testing arms; electrodes for being connected to the bridge main machine are arranged in the conductor clips; the two bridge testing arms are arranged on the truss frame through slide fit between the U-shaped sliding blocks and the guide rails. According to the method, the measurement of direct current conductivity and mechanical performance of the overhead conductor can be realized through once sampling, so that not only are wires saved, but also a testing result can be more accurate.
Owner:STATE GRID CORP OF CHINA +1

Passive wireless transmitter module

The invention relates to a wireless transmitter module and discloses a passive wireless transmitter module, which comprises a bottom case, a support, a magnet set, a coil assembly and a transmitter circuit board, wherein a cavity is arranged in the bottom case; the support comprises an installation base and two side arms; one ends of the two side arms are respectively connected to two sides of the installation base, and the other ends of the two side arms are respectively hinged to side walls of the bottom case; the magnet set is connected to the installation base and comprises a magnet and two concentrating flux plates; the coil assembly and the magnet set are arranged oppositely; the coil assembly comprises a coil and a main iron core; the main iron core is arranged in the coil in a penetrating way, and forms a main abutting end alternatively abutting the two concentrating flux plates; the transmitter circuit board is electrically connected with the coil. A reset structure for driving upwards swinging to reset is arranged in the cavity of the bottom case. The passive wireless transmitter module has a complete self-powered and high-frequency transmitting function, solves the problem of the existence of batteries, and is environmental friendly in use, and electronic products with different uses in different fields can be formed through simple secondary development by enterprises or electronics enthusiasts.
Owner:刘远芳

Method of communicating a signal from a sensor, connected to a connector, to an auxiliary module

An electronic connector connected to a sensor or a switch, and communicating a signal through a common bus includes an I / O unit receiving a signal from the sensor or the switch, a control unit generating a control signal for controlling the driving of a load corresponding to the sensor or the switch according to the signal received from the I / O unit, and a communication unit having a function of decoding the control signal and transmitting the control signal to an equipment connected to the corresponding load through the common bus.
Owner:YAZAKI CORP

Bus household intelligent alarm device

This invention relates to a bus-family intelligent alarm device including a shell installed with a power supply interface, a phone alarm interface, an operation keyboard, an alarm host of a dismantlement-proof device, a dialing device, a linked interface of LED instruction and alarm and a communication bus interface connected with the door magnet, the window magnet, an urgent button, a smoke detector, a gas detector and several infrared detectors via terminal signal devices.
Owner:SHANGHAI UNIV +2

Safety protecting system for belt conveyor

The invention provides a safety protecting system for a belt conveyor. The safety protecting system comprises a control module and a signal collecting module; the control module comprises a programmable logic controller (PLC) unit and a wireless gateway module connected with the PLC unit; the signal collecting module comprises an off-track signal collecting module and a wireless signal transmitting antenna connected with the off-track signal collecting module; when a belt is off tracking, the off-track signal collecting module transmits an off-track signal through the wireless signal transmitting antenna; the wireless gateway module receives the belt off-track signal transmitted by the wireless signal transmitting antenna. According to the whole belt conveyor, all address code signals on site can be transmitted back to a PLC system without control cables along the line, wire materials are reduced, the cost is reduced greatly, and interference is avoided.
Owner:SICHUAN ZIGONG CONVEYING MACHINE GRP

Structure of electric energy metering assembly

The invention discloses a structure of electric energy metering assembly, which comprises a substrate or base box and an electricity utilization management device, wherein a meter mounting device is arranged on the substrate or base box; the electricity utilization management device is electrically connected with a meter arranged on the substrate or base box and moveably connected with the soleplate of a box body or the substrate or base box, and is a device having at least one of the functions of statistic, precharge, storage, monitoring, alarming, power cut and the like. The structure of electric energy metering assembly of the invention overcomes the disadvantages of the prior electricity meter box body, such as heavy weight, high cost, resource waste, inconvenient management and maintenance and the like, and has the advantages of assembly line work, resource saved, low cost, convenient assembly, simple structure, high commonality, convenient management and the like.
Owner:万叶琳

Loudspeaker box arrangement method using linear array loudspeaker boxes for sound reinforcement in stadium

InactiveCN102340728AReduce in quantityOvercoming Disadvantages of Decentralized DesignPublic address systemsEngineeringLarge screen
The invention discloses a loudspeaker box arrangement method using linear array loudspeaker boxes for sound reinforcement in a stadium. The method is one of the following methods A, B and C. The method A is as follows: the linear array loudspeaker boxes are arranged at two sides of a large screen in the stadium; the method B is as follows: the linear array loudspeaker boxes are arranged above a platform in the stadium and / or above middle audience seats opposite to the platform; and the method C is as follows: the linear array loudspeaker boxes are arranged above the central position of the stadium or at two sides of the large screen at the central position. The arrangement method can be used for overcoming the defects of the distributed design which is characterized in that the loudspeaker boxes are distributed on the roof like the illuminating lamps in a room, thus in the spacious and long-period reverberation environment of the stadium, people cannot hear clearly just like in a big public bathroom, and the installation is troublesome. The arrangement method can be used for overcoming the defects and has the advantages of small amount of loudspeaker boxes, convenience in installation, wire rod conservation, low cost and better effect. The arrangement method is widely applied to the sound reinforcement design in the stadium.
Owner:顾康

Lightning protection device

The invention discloses a lightning protection device, which comprises an insulator and a lightning arrester body, wherein the insulator is used for supporting an overhead line; the lightning arrester body is arranged on the insulator; and after a voltage of the overhead line is higher than a threshold, an air gap is broken down, the lightning arrester body is conducted and overvoltage energy is released. The lightning arrester body comprises a base and an insulating pipe; the base sleeves the lower end of the insulator; one end of the insulating pipe is connected with the base; a plurality of chamber electrodes and a plurality of arc extinguishing chambers are sequentially arranged in the insulating pipe at intervals; and a blowhole is formed in the top end of each arc extinguishing chamber. According to the lightning protection device, an electric arc is blown off by a high-speed gas, so that a discharge arc caused by an overvoltage of the line is effectively cut off; the reliability and the safety of a power system transmission line are ensured; and meanwhile, the overvoltage of the line is indicated through an operation indicator.
Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO
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