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858 results about "Transmission cable" patented technology

Airtight medium-voltage power transmission cable for explosive environment

The invention discloses an explosive environment airtight medium-voltage power transmission cable, and relates to the technical field of power cables, the explosive environment airtight medium-voltage power transmission cable comprises a central conductor, the outer side of the central conductor is tightly coated with an internal conductor insulator, and the outer side of the internal conductor insulator is tightly coated with an insulated conductor shield; the outer sides of the multiple insulated conductor shields are jointly coated with a steel tape armoring, the outer side of the steel tape armoring is tightly coated with a PVC protection sleeve, and the outer side of the PVC protection sleeve is provided with an external telescopic expansion protection mechanism. A fireproof barrier is constructed on the outer side of the cable through the flame-retardant metal thin net, it is ensured that combustible gas outside the cable cannot be ignited even if open fire appears in the cable, the overall fireproof and explosion-proof performance of the cable is further effectively improved, and meanwhile the outer diameter of a fault position is actively increased, so that the service life of the cable is prolonged. A high-voltage breakdown protection layer in the cable is prevented from igniting external combustible gas, and the overall protection performance of the cable is improved.
Owner:ANHUI PACIFIC CABLE CO LTD

Wire stranding device for network cable production

The invention discloses a wire stranding device for network cable production, and relates to the technical field of network cable manufacturing, the wire stranding device comprises a plurality of tension adaptation assemblies, the tension adaptation assemblies are used for stranding a plurality of single-strand wires into a network cable core wire, the plurality of single-strand wires pass through a wire coil, and the network cable core wire is guided and limited by a stranding rack; the tension adaptation assemblies are arranged on the wire coil in an annular array mode, and each tension adaptation assembly comprises a pay-off groove which is formed in the wire coil. The tension adaptation assembly can automatically adjust the position of a guide wheel according to the real-time tension of a single-strand wire, dynamically balance the tension of the single-strand wire, ensure that the tension of the single-strand wire is always maintained in an ideal interval in the twisting process, avoid tensile failure caused by too tight tension or deformation caused by too loose tension, accurately control the tension to reduce the defects of back strand, loose strand and the like, and ensure the consistency of the physical structure of a network cable; meanwhile, the stable tension is beneficial to optimizing the twisting pitch and direction, the electrical performance of the network cable is improved, and the requirement of an intelligent power distribution system for the high-frequency data transmission cable is met.
Owner:深圳市渤海科技有限公司

High strength data transmission cable

Disclosed is a non-steel high strength data transmission cable having a strength member (5) and a core (1). The high strength data transmission cable includes a length of a core-cable (10), the length of core-cable (10) includes core (1) plus at least one fiber-optic conductor (2) that is:(i) disposed in a helical shape; and(ii) completely encased in a solid, flexible material.Also disclosed is a process for making a high strength data transmission cable. The high strength data transmission cable is capable of being wound on a winch under tensions and surging shocks experienced by a fishing trawler, and provides high quality data signal transmission and resolution so as to permit use for transmitting data during fish trawl operation from high-resolution sonars used to monitor fish caught.
Owner:HAMPIDJAN

Multi-beam parallelism calibration device and method

The invention discloses a multi-beam parallelism calibration device and method, and belongs to the technical field of laser ranging, the multi-beam parallelism calibration device comprises three laser ranging and adjusting modules, an L-shaped adapter plate a, a ground glass screen, an angle gauge, a bottom plate a and a precise parallel guide rail of a calibration part, and a CCD camera, a bottom plate b, a signal transmission cable and an upper computer of a signal receiving and processing part; a calibration device is adopted to emit three light sources to the frosted glass screen, the positions of three light spots on the frosted glass screen are determined through an image analysis method, and if the positions of the light spots are kept unchanged when the frosted glass screen is located at different positions of the guide rail, it is considered that light beams emitted by the three laser range finders are parallel to one another; and if the position of the light spot changes before and after the frosted glass screen moves, readjusting until the position of the light spot remains unchanged before and after the frosted glass screen moves. According to the invention, whether the light beams are parallel to each other can be rapidly evaluated, the parallelism between the light beams adjusted by the device is high, and the control plane angle measurement precision is greatly improved.
Owner:CHENGDU AIRCRAFT INDUSTRY GROUP

Array type acoustic emission positioning device for monitoring soil deformation in real time

The utility model discloses an array type acoustic emission positioning device for monitoring soil deformation in real time, which belongs to the technical field of underground engineering construction and geological disaster monitoring and comprises an acoustic emission signal integrated processing box and a hollow penetration rod. An acoustic emission signal processing mechanism and a battery pack are integrated in the acoustic emission signal integrated processing box, and the acoustic emission signal processing mechanism collects and processes acoustic emission signals and gives feedback information; the penetration rod is of a hollow structure, the top end of the penetration rod is connected with the acoustic emission signal integrated processing box in a sealed mode, the lower portion of the penetration rod is composed of a plurality of sensor monomer assemblies distributed in an array mode, and the sensor monomer assemblies are electrically connected with the acoustic emission signal processing mechanism through signal transmission cables. According to the utility model, the acoustic emission source positioning technology is adopted to meet the requirements of slope stability monitoring, underground engineering construction disturbance monitoring and the like, and the system has the advantages of easy installation, strong real-time performance and high monitoring precision.
Owner:SOUTHEAST UNIV +1

Cathode mechanism and magnetron sputtering device

The utility model relates to a cathode mechanism and a magnetron sputtering device. The cathode mechanism comprises an end, the end comprises a supporting piece and a butt joint piece, a first wiring channel communicated with the outside is formed in the supporting piece, the butt joint piece is arranged on one side of the supporting piece, and an insertion cavity communicated with the first wiring channel is formed in the butt joint piece; the cathode target comprises a target tube and a magnetic bar connector, the target tube is detachably connected to one side of the end, the magnetic bar connector is arranged at the end, close to the end, of the target tube and inserted into the insertion cavity, and a containing cavity is formed in the magnetic bar connector; one end of the transmission cable is located outside the end, the other end of the transmission cable passes through the first wiring channel and is inserted into the containing cavity so as to be electrically connected with the magnetic bar connector, and the transmission cable is used for transmitting electric power and / or data signals. The cathode mechanism provided by the utility model is good in connection stability, and the reliability of the sputtering process is improved.
Owner:SHENZHEN KEHE SHENGYE TECHNOLOGY CO LTD +1

Broadband and high-efficiency real-time-delay reflective array antenna

The invention discloses a broadband and high-efficiency true time delay reflective array antenna, and belongs to the technical field of antenna engineering. Through the design of the broadband horn feed antenna, the broadband butterfly-shaped dipole antenna and the real-time-delay coaxial transmission line, high-efficiency directional radiation is realized. The gain bandwidth of the multi-layer patch type reflective array antenna is much larger than that of a traditional multi-layer patch type reflective array antenna; compared with a traditional transmission line phase modulation type reflective array antenna, due to stable time delay and shielding and no resonant structure, the antenna has better gain stability, and an in-band gain curve is increased approximately linearly. Finally, the antenna is simple in structure and can be realized only by a single-layer patch structure and a common coaxial transmission cable, and high-cost laminated patch processing is not needed.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Systems, methods, and apparatuses for event detection for a transmission cable or line-based system

Methods, systems, and apparatuses are provided for detecting events in proximity to one or more transmission lines or cables of a data, power, communications, and / or content data transmission system. Data indicating an event may be received. The data may indicate movement or deflection of a portion of the transmission line or cable. A location of the portion of the transmission line or cable may be determine. The location may be determined based on the received data. A classification of the event may be determined. For example, the classification of the event may be based on the data on the received data and the determined location. For example, the classification of the event may be determined by a machine-learning model. A response may be caused. The response may be associated with the portion of the cable. The response may be based on the classification of the event.
Owner:COMCAST CABLE COMM LLC

Water-blocking and moisture-proof underground power transmission cable

The utility model discloses a waterproof moisture-proof underground power transmission cable, which relates to the technical field of power transmission cables and comprises a polyvinyl chloride outer sheath, a polyvinyl chloride (PVC) inner sheath and a cable core, a cross-linked polyethylene insulating sleeve is arranged on the outer side of the cable core, and woven filler is arranged between the cable core and the PVC inner sheath. A waterproof sleeve, an outer semiconductor shielding sleeve and a water swelling strip are sequentially arranged on the outer side of the PVC inner sheath from inside to outside in a contact mode, annular grooves are formed in the outer side of the water swelling strip in the axis direction of the water swelling strip at intervals, V-shaped dredging grooves are symmetrically formed in the two sides of each annular groove, and the interiors of the annular grooves and the interiors of the V-shaped dredging grooves are communicated. According to the scheme, the water swelling strip is arranged between the polyvinyl chloride outer sheath and the outer semiconductor shielding sleeve, after water seepage occurs in the cable, the water swelling strip can continuously absorb water to swell, then irregular gaps in splicing seams can be formed, and the water stopping and waterproof effects are achieved.
Owner:WENZHOU DANYUE CABLE TECH CO LTD

Radiation-resistant all-digital high-frequency low-level control system

The invention discloses a radiation-resistant all-digital high-frequency low-level control system which is characterized in that the system can be arranged on an accelerator site with strong radiation and is used for solving the problem that signals are interfered due to the fact that the signal transmission distance is too long. According to the system, the functions of all peripheral chips which cannot work normally due to strong radiation on the accelerator site are included in the radiation-resistant FPGA chip, and the functions of all the external chips and the original functions of the radiation-resistant FPGA chip are achieved through the radiation-resistant FPGA chip. The system is realized by using a single radiation-resistant FPGA chip, a high-frequency digital control algorithm is realized through firmware program design of the radiation-resistant FPGA chip, the control function of a high-frequency low-level control system is met, and the radiation-resistant problem of the whole system is directly solved. The system can be placed on the site of an accelerator, breaks through the limitation that a transmission cable needs to penetrate through a wall, is closer to a controlled object, and does not need a radio frequency cable to penetrate through a pipeline in the wall.
Owner:CHINA INSTITUTE OF ATOMIC ENERGY

Auxiliary device for erecting power high-voltage transmission cable

ActiveCN222601862UEasy tension adjustmentSimple structureGear wheelElectric power
The utility model discloses an auxiliary device for erecting an electric power high-voltage transmission cable, and belongs to the field of electric power operation auxiliary equipment. An auxiliary device for erecting a power high-voltage transmission cable comprises a mounting base which is of a double-layer structure, and further comprises four groups of positioning bottom feet which are rotatably connected to the inner wall of the mounting base and are uniformly arranged; the supporting telescopic column is mounted on the top wall of the mounting base, and the top of the supporting telescopic column is connected with a conveying plate; the control mechanism comprises a transmission assembly and a gear assembly, the output end of the gear assembly is connected with a third rotating roller and a fourth rotating roller, a sliding groove is formed in the top wall of the conveying plate, and the third rotating roller and the fourth rotating roller are slidably connected to the inner wall of the sliding groove. The conveying mechanism is arranged on the top wall of the conveying plate; according to the utility model, the conveyed power transmission line can be clamped at any time, the tension of the installed power transmission line can be adjusted, the mechanism is simple, the conveying is convenient, and the use process is stable.
Owner:SICHUAN WATER CONSERVANCY VOCATIONAL & TECH COLLEGE

Offshore wind plant power transmission system fault identification and early warning protection method based on data driving state estimation

The invention relates to an offshore wind power plant power transmission system fault identification and early warning protection method based on data-driven state estimation, and the method comprises the steps: constructing a global state unified model adaptive to an offshore wind power heterogeneous topology, and building a state estimation model of a long-distance transmission cable; cable end measurement data are collected, and a state estimator is obtained by combining the state estimation model of the long-distance sending cable; based on the state estimator, calculating a residual error and fitting an error; and according to the residual error and the fitting error result, judging whether a fault occurs or not, carrying out fault positioning and classification, and outputting corresponding protection action and alarm information. Compared with the prior art, a distribution parameter modeling-state resolving-residual error discrimination three-layer nested architecture is adopted, a physical model and state mapping relation is constructed, the state quantity is estimated by using the least square, and the residual error amplitude, the phase angle change and the spatial distribution characteristics are fused, so that the stability of the state estimation is improved. According to the invention, high-precision fault identification and positioning can be carried out on the multi-section heterogeneous delivery cable, and timely early warning protection can be carried out.
Owner:STATE GRID SHANGHAI MUNICIPAL ELECTRIC POWER CO +1

Multi-signal fusion real-time deduction method for onboard three-dimensional wave parameters

The invention relates to a multi-signal fusion real-time deduction method for three-dimensional wave parameters along with a ship, and a deduction device consists of a state sensor, a one-way stress sensor, a vertical acceleration sensor, a shunt, a terminal junction box, a signal acquisition instrument, a host, analysis software, a signal transmission cable and the like. The deduction method comprises the processes of system state matrix discretization, transfer function calculation, Kalman filtering deduction model construction, convergence analysis, result comparison and the like, and three-dimensional time-frequency parameters of waves are deduced in real time through fusion analysis of ship motion and actual measurement data of a key position stress response sensor. Real-time information of surrounding waves can be provided for more sailing ships, more comprehensive reference basis can be provided for ship sailing and ship type optimization, and the method has practical significance and market value.
Owner:CHINA SHIP SCIENTIFIC RESEARCH CENTER

Farmland leaching layering monitoring well system

The utility model discloses a farmland leaching layering monitoring well system which comprises a layering monitoring well which comprises an upper well pipe, a middle well pipe and a lower well pipe. The root layer is provided with an upper well pipe, the aeration zone is provided with a middle well pipe, the aquifer is provided with a lower well pipe, and the underground water level is higher than the bottom surface of the lower well pipe. The pipe diameters of the upper, middle and lower well pipes are sequentially reduced. The upper well casing and the middle well casing are connected through connecting plates, and the middle well casing and the lower well casing are connected through connecting plates. At least one soil parameter detection sensor is arranged in the root layer, the aeration zone and the water-bearing layer, a water quality sensor is arranged in underground water in the lower well pipe, and a transmission cable led out of the soil parameter detection sensor penetrates through the well wall of the layered monitoring well, then is converged with a transmission cable led out of the water quality sensor and extends upwards to be connected with an overground monitoring instrument. And the plate for manufacturing the connecting plate is the same as the pipe of the adjacent corresponding well casing. The underground parameter monitoring device is designed according to a root layer-aeration zone-aquifer shallow critical stratum structure, and underground parameters can be comprehensively and accurately monitored in the farmland leaching process.
Owner:CENT FOR HYDROGEOLOGY & ENVIRONMENTAL GEOLOGY CGS

Anti-interference electroencephalogram acquisition device

The utility model provides an anti-interference electroencephalogram collecting device which comprises a collecting module and a signal processing module, the signal processing module is connected with the collecting module through a shielding transmission cable, and a shielding cover used for restraining radiation electromagnetic interference is arranged outside the signal processing module. And the shielding cover is connected with the shielding layer of the shielding transmission cable and the input end of the signal processing module in a single-point connection mode. When electroencephalogram signals are collected, the collecting module responds to control signals input externally, electroencephalogram signals of a patient begin to be collected, and the electroencephalogram signals are output after being subjected to signal processing such as filtering and amplifying through the signal processing module. According to the electroencephalogram signal acquisition device, multiple inhibition barriers of the shielding case and the shielding transmission cable are arranged, so that the interference of radiation electromagnetism on the acquired electroencephalogram signals is effectively inhibited, and the effectiveness and accuracy of electroencephalogram signal acquisition are ensured.
Owner:SHENZHEN MEIGEL BIOMEDICAL GRP CO LTD

Tuned mass damping device for controlling low-frequency vertical bending vortex vibration of large-span bridge

The invention belongs to the technical field of vibration control, and discloses a tuned mass damping device for controlling low-frequency vertical bending vortex vibration of a large-span bridge, which consists of a fixed pulley, a mass block, a high-strength light force transmission cable, a spring, a hanging ring and a damper. Fixed pulleys and mass blocks are arranged at the positive and negative maximum displacement positions of a longitudinal bridge direction mode of a main beam respectively, a suspension system is formed by a full-length force transmission cable, and the gravity of the two mass blocks is basically balanced; the mass block is connected through the spring and is close to the bridge vibration control target frequency. When the bridge vibrates, the two mass blocks generate inertia forces which are opposite in direction but overlapped with each other, the driving system and the bridge form resonance, and therefore bridge vibration is effectively restrained. The gravity of the mass block can be self-balanced, the strength and the number of the springs are greatly reduced compared with those of a traditional TMD, any low-frequency tuning can be conducted in a vertical limited space, and the engineering cost is remarkably reduced. The device can be used for controlling vertical bending and torsional vibration of various engineering structures; the damper is replaced by an actuator, so that active control can be realized or the damper can be used as a structural excitation device.
Owner:DALIAN UNIV OF TECH

Rotary connection structure and terminal support

The embodiment of the utility model provides a rotary connection structure which is used for a terminal support, the terminal support is used for supporting a shooting terminal, the rotary connection structure comprises a first arm body and a second arm body, and the second arm body is rotatably installed on the first arm body around a first axis; the rotating connection structure further comprises a transmission cable used for transmitting signals and / or electric energy, the transmission cable is installed on the first arm body and extends to the second arm body from the first arm body, and the first maximum rotating angle, around the first axis, of the second arm body relative to the first arm body is smaller than or equal to 270 degrees. The embodiment of the utility model further provides a terminal support. By implementing the rotary connection structure, multi-circle rotation of the second arm body relative to the first arm body is avoided, and transmission cable damage caused by excessive torsion of the transmission cable is avoided.
Owner:DONGGUAN DIEPIN TECH CO LTD

Far infrared photoelectric detector weak signal test system based on two-stage refrigeration

The invention relates to a far infrared photoelectric detector weak signal test system, which comprises a low-temperature refrigeration system, a first-stage cold head is connected with a vacuum Dewar and a low-temperature cold screen and maintains a low-temperature environment of the vacuum Dewar and the low-temperature cold screen, and a second-stage cold head cools an objective table and a detector to reduce thermal noise of the detector; the low-temperature cold shield wraps the secondary cold head and the objective table to form a thermal isolation layer, and external thermal radiation is blocked; a broadband far infrared optical filter is integrated at the position, right facing the objective table, of the low-temperature cold screen; according to the radiation source module, a vacuum Dewar is provided with an optical window; a blackbody radiation source is arranged right opposite to the optical window, and a radiation field is formed on the photosensitive surface of the detector at the objective table after the blackbody radiation source passes through the optical window and the broadband far infrared optical filter; according to the signal transmission link, the objective table is connected with the detector through a signal transmission cable; and a signal passes through the low-temperature cold shield and the vacuum Dewar and is connected to an upper computer. According to the invention, high performance, miniaturization and universality of far infrared weak signal testing are realized, and dependence on special facilities is broken through.
Owner:HANGZHOU INST FOR ADVANCED STUDY UCAS

Pressure monitoring method and system based on axis sensor of power transmission cable

The invention discloses a pressure monitoring method and system based on a power transmission cable axis sensor, and belongs to the technical field of data transmission, and the method comprises the steps: S1, a sensor module collects cable traction data and self position data at a measurement time point, and transmits the data to a monitoring module through a relay module; the monitoring module generates adjustment data based on the traction force data, wherein the adjustment data comprises an adjustment numerical value and an adjustment time point; s2, the cloud storage module obtains the data sequence and verifies the data sequence, and if verification is passed, the step S3 is executed; s3, analyzing the adjustment data, if an analysis result does not meet a preset rule, extracting an adjustment time point, and defining the adjustment time point as an abnormal time point; and S4, a marking module obtains a measurement time point which is located after the abnormal time point and is closest to the abnormal time point, obtains corresponding position data based on the measurement time point, and marks an indication label. According to the invention, a manager can remotely supervise the cable laying process.
Owner:GUO WANG ZHE JIANG SHENG DIAN LI YOU XIAN GONG SI YU YAO SHI GONG DIAN GONG SI +3

Extra-high voltage porcelain insulator supporting auxiliary assembly and installation method

The invention relates to the technical field of insulator installation, in particular to an extra-high voltage porcelain insulator supporting auxiliary assembly and an installation method.The other end of a second pull rope pulls a third pull rope, and a rotating rod assembly comprises an intermediate shaft wound around the second pull rope and rubber rods symmetrically distributed at the two ends of the intermediate shaft; the rubber rod is provided with a first pull rope connected with the clamping hoop, and the rotating rod assembly is provided with a limiting assembly for limiting the rotating angle. Through the arrangement of the pull rod structure, supporting connection of the insulator is achieved, through connection of the rotating rod assembly to the insulator is matched, and therefore it is guaranteed that the insulator falls off from a telegraph pole; and meanwhile, three groups of pull rope structures and rotating rod assemblies are arranged to be matched to form a stable supporting structure, when single-side traction stretching occurs, the insulator can deviate from one side, and in the deviation process, the clamping fixation of the hoop to the cable is further increased, so that the power transmission cable is always bound on the insulator, and the power transmission cable is prevented from falling down.
Owner:DALIAN ELECTRIC PORCELAIN (JIANGXI) CO LTD

Differential signal transmission cable

A differential signal transmission cable includes: an insulating layer that extends along a longitudinal direction of the differential signal transmission cable; a pair of signal lines that extends along the longitudinal direction of the differential signal transmission cable and is buried in the insulating layer; and a shield that exists around an outer peripheral surface of the insulating layer.
Owner:SUMITOMO ELECTRIC INDUSTRIES LTD

Temperature sensing type super-soft mineral insulated fireproof cable

The utility model discloses a temperature sensing type super-soft mineral insulated fireproof cable in the technical field of cables. The temperature sensing type super-soft mineral insulated fireproof cable comprises a temperature measuring wire core, a transmission cable core, a flame-retardant fire-resistant wrapping tape layer, a high-flame-retardant fire-resistant isolation sleeve, a fire-resistant reinforcing protection layer and an environment-friendly outer coating sleeve from inside to outside, the transmission cable core comprises a power transmission wire core and a high-temperature-resistant bidirectional reinforcing composite insulating layer wrapping the power transmission wire core; light fire-resistant flexible filler is filled among the temperature measuring wire cores, the transmission cable core and the flame-retardant fire-resistant belting layer. The temperature sensing type super-soft mineral insulated fireproof cable can meet the normal power transmission work of the cable, and realizes the functions of high-performance power transmission, high temperature resistance, fire prevention, flame retardance, remote temperature detection and the like.
Owner:BAOSHENG SCI & TECH INNOVATION

Optical fiber signal transmission seismic cable for seismic exploration

The invention relates to the technical field of seismic exploration equipment, in particular to an optical fiber signal transmission seismic cable for seismic exploration. A power line, a twisted-pair shielding signal line and an optical fiber beam tube are wrapped outside the high-pressure plastic composite hose in a cabling mode, and the power line, the twisted-pair shielding signal line and the optical fiber beam tube jointly form a cable core structure. An outer layer non-woven fabric is wrapped outside the cable core structure, a polyurethane inner sheath is extruded outside the outer layer non-woven fabric, an armor layer is wrapped outside the polyurethane inner sheath, and a polymer polyethylene sheath is extruded outside the armor layer. According to the high-pressure plastic composite hose, through the design of the double reinforcing layers of the Kevlar aramid fibers and the polyester fibers, the strength and bursting pressure of the central air pipe are remarkably improved, and the high-pressure plastic composite hose can better adapt to the complex working environment; the cable core structure adopts composite optical fiber analog signal transmission to replace a traditional digital signal seismic cable, so that the quality and efficiency of signal transmission are improved; and the armor layer adopts a double-layer steel wire armor structure, so that the overall mechanical strength and tensile property of the cable are improved.
Owner:HEBEI HUATONG WIRES & CABLES GRP CO LTD

Surgical instrument assembly

A surgical instrument assembly is provided that can be equipped in a handheld surgical tool or instrument or other medical device, as well as potentially in non-medical devices, among other possible applications. In various implementations, the surgical instrument assembly has combinations of a frame body, an input body, an indexing body, a tensioning body, and a cover body. The indexing body is moveable to a multitude of indexed positions. The indexed positions constitute a use count of the surgical instrument assembly, and a final indexed position is a final use count of the surgical instrument assembly. The tensioning body is moveable to impart a first tension and a second tension to one or more transmission cables. The cover body is moveable to render a flush port inaccessible and accessible.
Owner:LIVSMED INC

All-optical transmission assembly of HDMI (High Definition Multimedia Interface)

The utility model discloses an HDMI all-optical transmission assembly, which comprises a transmission cable, a transmitting module and a receiving module, the transmission cable comprises a plurality of optical fibers, the transmitting module is arranged at a first end of the transmission cable, the receiving module is arranged at a second end of the transmission cable, and the receiving module comprises a boost submodule. The boost submodule is used for sensing the light emitted by the emission module and converting the light into a + 5V electric signal which is used as excitation voltage of hot plugging. According to the HDMI transmission assembly, the boost sub-module is arranged, so that all-optical transmission can be realized without adopting a hybrid cable or additionally arranging equipment such as a USB plug, and the structure of the HDMI transmission assembly is effectively simplified.
Owner:JIANGSU XINHEDAO MICROELECTRONICS CO LTD

Transmission cable assembly and interference signal suppression method for transmission cable assembly

The present disclosure provides a transmission cable assembly for an RF coil, comprising: a transmission cable electrically connected to the RF coil; an outer sheath sleeved over the transmission cable; a plurality of traps and one or more insulating components arranged between the transmission cable and the outer sheath, wherein: the plurality of traps are sleeved over the transmission cable and spaced apart along a longitudinal axis of the transmission cable, each of one or more insulating components is placed between two adjacent traps of the plurality of traps.
Owner:SHANGHAI UNITED IMAGING HEALTHCARE

Energy surgical equipment and active power detection method

The invention discloses an energy surgical device and an active power detection method, and the method comprises the steps: calculating the voltage of two ends of a transmission cable according to the distributed resistance of the transmission cable, the distributed inductance of the transmission cable, the angular frequency of frequency energy and the output current; calculating the voltage of the surgical site according to the output voltage and the voltage at the two ends of the transmission cable; and according to the voltage and the output current of the surgical site, the active power of the frequency energy received by the surgical site is calculated. Therefore, in the active power calculation process, the influence of the distributed resistance and the distributed inductance of the transmission cable is fully considered, and the accuracy of active power detection is improved.
Owner:CHONGQING XISHAN SCI & TECH

Underwater profile density measurement system and method

The present invention relates to the technical field of marine hydrological monitoring, and in particular to an underwater profile density measurement system and method. The system comprises a survey vessel, a vessel anchor, a steel wire rope, rope guide devices, a parameter measurement device, a measurement and control transmission cable, and a data analysis system. The method comprises: connecting a vessel anchor to a steel wire rope, and then dropping the vessel anchor to a water bottom for anchoring and fixing; enabling a parameter measurement device to enter water along with a measurement and control transmission cable and to maintain movable connection with the steel wire rope; successively pulling the measurement and control transmission cable according to equally spaced markers to move upwards along the steel wire rope from an anchor point, and collecting two water pressure values at different depths and an attitude angle value measured by the parameter measurement device underwater; storing the collected data in a data analysis system, and on the basis of a built-in algorithm, obtaining the density of water around the parameter measurement device; and when the parameter measurement device moves upwards from the anchor point and leaves the water, performing integral processing on the measured data at all points to obtain the total water depth at the anchor point so as to obtain profile density values from the measurement device at different depths underwater, and drawing and generating a curve.
Owner:GUANGZHOU INSTITUTE OF BUILDING SCIENCE CO LTD +1

High-voltage cable partial discharge detection device and installation method

The invention relates to the technical field of power equipment, and discloses a high-voltage cable partial discharge detection device and an installation method, and the high-voltage cable partial discharge detection device comprises a housing, a quantum detection module, a radio frequency signal module, an optical signal module, a photoelectric conversion element, a signal analysis and processing module, and a control module. And the quantum detection module comprises a diamond which is arranged between the shell and the high-voltage cable and contains an NV color center. The radio-frequency signal module comprises a radio-frequency signal transmitting assembly, a radio-frequency signal receiving element and a radio-frequency signal transmission cable, and the radio-frequency signal receiving element is arranged on the shell. The optical signal module comprises a laser signal transmitting assembly, a first optical fiber, an optical fiber coupler and a condensing lens. The first optical fiber is connected with the photoelectric conversion element, and the photoelectric conversion element is electrically connected with the signal analyzing and processing module. According to the high-voltage cable partial discharge detection device, partial discharge detection of the high-voltage cable can be realized, and injury of high-voltage current to operators is avoided.
Owner:MEASUREMENT CENT OF GUANGDONG POWER GRID CO LTD

Liquid cooling server and casing for liquid cooling server

A liquid cooling server and a casing are provided. The liquid cooling server includes a first housing provided with a first receiving cavity and a cable hole in communication with the first receiving cavity, the first receiving cavity being configured to receive a computing element and coolant immersing the computing element, and the cable hole being configured to allow a transmission cable to extend through; a second housing provided on a side of the first housing and fixedly connected to the first housing, the second housing being provided with a second receiving cavity in communication with the cable hole, and the second receiving cavity being configured to receive an I / O module; and a liquid anti-leakage assembly provided in the cable hole, and the liquid anti-leakage assembly being configured to tightly press the transmission cable to isolate the first receiving cavity from the second receiving cavity.
Owner:SQ TECH (SHANGHAI) CORP +1