124 results about "Coaxial cable" patented technology

To realize an inexpensive and miniaturized test device for electrical and electronic equipment. [Solution] The present invention proposes an electrical and electronic equipment testing apparatus for housing an electrical and electronic equipment to be tested in an internal space and testing the electrical and electronic equipment, comprising: a voltage connector to which voltage is applied via a coaxial cable; a housing that includes the voltage connector at its end, constitutes an outer conductor, and forms an internal space; and an inner conductor provided inside the housing, extending from the coaxial conductor of the voltage connector, and constituting a conductor septum, wherein a resin-based insulating material that suppresses the discharge of high-voltage pulses is filled in a predetermined range from the end, determined based on the applied voltage and the distance from the inner conductor to the outer conductor.

A multi-band antenna includes a coaxial cable and two printed circuit boards. The first printed circuit board includes two radiators. The first radiator is located on a first side of the first printed circuit board. The second radiator is located on a second side of the first printed circuit board. The second printed circuit board includes a feed section and multiple frequency adjustment sections. The feed section is located on a third side of the second printed circuit board and coupled to the second radiator. The multiple frequency adjustment sections are located on a fourth side of the second printed circuit board. The first, second, third, and fourth sides are connected by multiple vias. The first radiator, second radiator, and frequency adjustment sections respectively emit a first frequency band, a second frequency band, a third frequency band, and a fourth frequency band. The frequencies are arranged in ascending order as the first, second, third, and fourth frequency bands. This invention provides an antenna structure for a multi-band antenna that can simultaneously radiate multiple frequency bands and possesses excellent antenna radiation characteristics.

An ultra-wideband end-fire antenna with a common aperture embedded in a metal carrier includes a metal cavity with a coaxial cable compartment on one side. A radiator module is connected to the bottom of the metal cavity via a radiator fixing slot. The radiator module includes a common aperture antenna substrate. A low-frequency radiator is printed on the side of the common aperture antenna substrate closer to the coaxial cable compartment, and a high-frequency radiator is printed on the side farther from the coaxial cable compartment. This invention utilizes a dual-band antenna in a common aperture design to enhance the channel capacity and anti-fading capability of the communication system. At the same time, by achieving the antenna's carrier conformal characteristics, high isolation, and miniaturization, it enriches the antenna's application scenarios and improves the overall performance of the communication system.

The present invention provides an equipment control device capable of properly protecting a system that controls equipment via a coaxial cable. [Solution] The device control device 100 comprises a power supply circuit, a communication circuit, a filter, a high-side switch, and a control unit 110. The control unit 110 includes a power supply voltage detection unit 111 that detects the power supply voltage supplied from the power supply circuit, and a current data acquisition unit 112 that acquires current data of communication signals transmitted and received from the communication circuit. The control unit 110 also includes a duty cycle acquisition unit 113 that acquires the duty cycle of the current data, and a current value determination unit 114 that determines whether the current value of the current data is equal to or greater than a predetermined current threshold. Furthermore, the control unit 110 includes a duty cycle adjustment unit 115 that reduces the ON ratio of the duty cycle when it is determined that the current value is equal to or greater than the current threshold.

This invention discloses an integrated monitoring system and method for temperature, humidity, and power parameters of an antenna feeder system, belonging to the field of communication equipment monitoring technology. It includes a data acquisition module for acquiring relevant data of the antenna feeder, including the temperature of key components such as parallel twin lines, coaxial cables, microstrip lines, and waveguides, and generating a temperature database. A data processing module is used to construct a temperature matrix based on the temperature database. The construction steps include differentiating the humidity levels in the area where the antenna feeder is located, including identifying the most frequently occurring humidity levels in the area, and providing a humidity range based on the humidity, including humidity levels less than or greater than 3%. This invention achieves real-time early warning and scientific verification of operational anomalies by acquiring and analyzing temperature data of key components of the antenna feeder, identifying thermal risk areas based on humidity conditions, quantifying the impact of temperature changes on power in real time, and setting risk thresholds.

Provided is an electronic device capable of improving electromagnetic shielding performance of a coaxial cable connected to an antenna element, and an antenna unit. An antenna unit (50) of an electronic device (10) has an antenna element (39L), a coaxial cable (41L) connected to the antenna element (39L), and a bracket (44) covering the coaxial cable (41L), the surface of the bracket (44) being conductive and being subjected to a conductive treatment with a shield portion of the coaxial cable (41L). The electronic device (10) has a housing (12) having a metal portion, and a main exhaust port (45) formed in the housing (12), the bracket (44) being disposed at least at a portion that intersects the main exhaust port (45).

The present application relates to the technical field of corrugated pipe RF coaxial cable detection accessories, and particularly relates to a straight insertion connector structure for corrugated pipe RF coaxial cable detection. The inner cavity of the shell is a stepped ring body structure, and a pin is installed in the inner cavity of the shell; an insulator is installed in the middle ring segment cavity of the inner cavity of the shell, and the insulator tightly holds the pin, and the end of the pin towards the mating cable is provided with an inner contact spring body; an outer contact spring body is installed in the right ring segment cavity of the inner cavity of the shell and is positioned by a positioning member; the inner contact spring body and the outer contact spring body are coaxially arranged, the inner contact spring body and the outer contact spring body are inserted into the mating cable, and elastic contact is formed between the inner contact spring body, the outer contact spring body and the mating cable, thereby completing the installation of the cable detection connector. The complex installation of the connector in the detection process is reduced, the detection efficiency is improved under the premise of meeting the stability and accuracy of the detection data, and the detection cost is reduced.

The application discloses a die for a coaxial cable spiral metal pipe conductor and a texturing method, and technical scheme points are as follows: a metal pipe body, a texturing assembly arranged outside the metal pipe body and used for improving texturing productivity of the coaxial cable spiral metal pipe conductor; the texturing assembly comprises a texturing cutter seat arranged outside the metal pipe body, a plurality of first fixing holes are formed in one end of the texturing cutter seat, a plurality of positioning columns are fixedly installed at the other end of the texturing cutter seat, and a head outer circle is arranged outside the texturing cutter seat; the super wear resistance of a tungsten steel blade edge is combined with a reversible design of a double-blade handle, so that the total effective processing mileage of a single set of tooling is improved by several times compared with a traditional die, which directly leads to a significant decrease in die amortization cost of a unit length product and a significant reduction in time loss and labor cost caused by stoppage and die replacement.

This utility model discloses a female connector with wire ends, including a housing, at least two sets of coaxial cables, shielding terminals, a second fixing member, a first fixing member, and power connection components and shielding wires corresponding to the number of coaxial cables. The housing has accommodating cavities corresponding to the number of coaxial cables, and each power connection component is installed in a corresponding accommodating cavity. The shielding terminals, the second fixing member, and the first fixing member are installed on the housing. The front end of each shielding wire is connected to the shielding terminal, and the rear end of each shielding wire is connected to the rear end of the corresponding coaxial cable. The front end of each coaxial cable is connected to the corresponding power connection component. The first fixing member is installed on the housing and connected to the power connection component. This utility model adds an outer shielding layer to the ordinary FAKRA wire end connector to form a complete shielded link, improving the overall anti-interference capability of the product. Furthermore, the assembly process is simple and quick, solving the problems of poor shielding effect and low assembly efficiency in the prior art.

The utility model discloses a kind of radio frequency coaxial cables with high-temperature-resistant antioxidation composite coating, including the outer side position of cable connection outer sheath is provided with outer connection metal sleeve head;The outer side surface position of outer connection metal sleeve head is provided with recessed outer side groove, recessed outer side groove is provided with connection outer thread, the outer position of connection outer thread is provided with outer moving connection ring, the side surface position of outer moving connection ring is provided with telescopic connection layer, the inner side surface position of outer connection metal sleeve head is provided with inner side air bag ring, rotating outer moving connection ring extrudes telescopic connection layer so that it is compressed, its internal gas will enter into inner side air bag ring and expand, inner side air bag ring expansion will be tightly attached cable connection outer sheath, so that outer connection metal sleeve head can be conveniently installed and connected with its radio frequency coaxial cable outer side and disassembled, and then the radio frequency coaxial cable with high-temperature-resistant antioxidation composite coating can be effectively improved with practicality.

This invention belongs to the field of communication technology. It discloses a dual-polarization high- and low-frequency nested radiating unit, including a low-frequency radiating unit. Coaxial feed networks are provided on both sides inside the low-frequency radiating unit, and a PCB feed network is provided on top of each coaxial feed network. A high-frequency radiating unit is provided between two PCB feed networks, connected to the PCB feed network to achieve nested cooperation with the low-frequency radiating unit. The PCB feed network is connected to the low-frequency radiating unit via a coaxial cable, and is also connected to the coaxial feed network to achieve ±45° polarization. Within the low-frequency radiating unit, four coaxial cables are connected in parallel to form two signals. This invention has the advantages of saving structural layout space to reduce production complexity, effectively improving manufacturability, and minimizing the risk of coupling affecting isolation.

This invention relates to the field of antenna technology, and particularly to a miniaturized circularly polarized antenna with a wide axial ratio and wide beamwidth. The antenna includes a dielectric substrate, a circular radiating patch unit, metal shorting posts, a coaxial differential feed structure, and a metal ground plane. The circular radiating patch unit consists of a pair of orthogonal fan-shaped cross-printed dipoles. A slot structure is added in the middle along the X-axis to divide the radiator into left and right parts, and three metal shorting posts are added to the end of each fan-shaped cross-printed dipole structure. The feed structure is a differential-feed coaxial cable, with its inner and outer conductors contacting the left and right halves of the circular radiating patch unit, respectively. Simultaneously, due to the slight difference in curvature between the two orthogonal fan-shaped printed dipoles, a phase difference is formed between the pair of orthogonal modes of the circular radiating patch unit, ultimately achieving circularly polarized radiation of the antenna. A metal short-circuit post is applied to the electric field zero of a conventional printed dipole, forming a new half-mode operating mode at low frequencies. Simultaneously, the slot structure improves the impedance characteristics of the half-mode, enabling antenna miniaturization. Due to the radiation contribution of the metal short-circuit post in the horizontal direction, the axial ratio beamwidth of this circularly polarized antenna is significantly extended. This application exhibits excellent forward radiation characteristics, along with miniaturization, a wide axial ratio beamwidth, simple structure, low cost, and ease of fabrication.

This invention provides a multi-point discharge high-voltage pulse electrode device and its usage method. The device includes a positive electrode and a negative electrode; a positive insulating sleeve is fitted around the positive electrode, an electrode insulating component is fitted around the positive insulating sleeve, and a negative electrode is fitted around the electrode insulating component; the upper end of the positive electrode is connected to a positive connector, which is connected to the positive coaxial cable of a high-voltage pulse power supply; a negative fixing ring is fitted on the outer wall of the negative electrode, which is connected to a negative connector, which is connected to the negative coaxial cable of the high-voltage pulse power supply; the positive electrode can move up and down relative to the electrode insulating component along the axial direction. This invention achieves flexible configuration of the number of discharge points and the superposition effect of stress waves inside the rock, thereby significantly expanding the breaking range of a single pulse and improving rock breaking efficiency.

A coaxial cable connector 2 for a coaxial cable 8; a conductive connector body 4 having channel 28, the body having a forward section 18 (Figure 2) for connection to a reciprocal connector and a rearw

To provide a coaxial cable with low attenuation in the high-frequency range. [Solution] A coaxial cable comprising a conductor, an insulator containing fluororesin disposed outside the conductor, a shield layer disposed outside the insulator, and an outer sheath disposed outside the shield layer, wherein the insulator contains voids, and the shield layer comprises a first shield layer in which metal foil tape is arranged spirally along the longitudinal side of the insulator, and a second shield layer containing a plurality of metal strands.

The application belongs to the technical field of high-energy physics particle detection, and particularly relates to a high-sensitivity fixed beam damage system based on EQR-SiPM and a quartz rod, which comprises the following steps: one end of the quartz rod is inserted into a containing cavity of a SiPM dark box, and the end face is optically coupled with a photosensitive surface of an EQR-SiPM integrated on a SiPM circuit board; on the SiPM circuit board: an output end of a voltage amplification circuit is connected to a signal input end of a SiPM signal processing system through an SMA interface and a coaxial cable, and a signal output end is connected to a central control OPI through a control network; and a attenuator is further connected in series between the output end of the voltage amplification circuit and an analog input end of the SiPM signal processing system. The application can identify weak beam damage of the order of 10^(-18) J by virtue of high photon detection efficiency and high light transmittance of the quartz rod, and has the characteristics of high sensitivity, nanosecond-level time resolution, anti-magnetic field interference, wide dynamic range, and small and compact structure.

The application discloses a large field of view imaging microscopic device for free-moving animals, which comprises an objective lens assembly, a barrel lens assembly and an image sensor arranged coaxially in sequence, and a coaxial cable electrically connected with the image sensor. The objective lens assembly adopts a spherical lens for adjusting the chief ray angle and improving the illumination distribution of an image surface. The barrel lens assembly adopts an aspherical lens for comprehensively correcting the field curvature, astigmatism, coma and distortion and other aberrations in the large field of view imaging through the aspherical surface type. The coaxial cable is used for realizing stable transmission of power supply and image data and suppressing electromagnetic interference. The device is compact in structure and easy to assemble and adjust, and is suitable for behavior and neuroscientific imaging experiments of free-moving animals such as rodents, and can obtain clear large field of view imaging under free-moving conditions.

The utility model discloses a waterproof female connector, which comprises a female plastic shell, a male plastic shell and a silica gel ring for sealing the female plastic shell and the male plastic shell, the two ends of the female plastic shell and the two ends of the male plastic shell are respectively provided with a waterproof assembly used for preventing water from entering the female plastic shell and the male plastic shell. According to the utility model, the outer cambered surface of the male plastic shell inserted outside the female plastic shell is provided with the silica gel ring through the silica gel injection molding technology; the sealing performance between the female plastic shell and the male plastic shell is guaranteed through the silica gel ring, so that an external water source is prevented from entering the female plastic shell and the male plastic shell, and meanwhile, waterproof assemblies are arranged at the two ends of the female plastic shell and the two ends of the male plastic shell and located outside the coaxial cable. The dryness in the female plastic shell and the male plastic shell is guaranteed through the waterproof assembly, and normal use of the equipment is further guaranteed.

The utility model discloses a kind of radio frequency coaxial cable adapters, comprising: shell, inner insulator and adapter plate;Two ends of shell are connected cable;Inner insulator is set in shell, and inside inner insulator forms adapter cavity, and the both ends of inner insulator are provided with the threading hole for cable inner conductor to pass through;Adapter plate is set in adapter cavity, and the both sides of adapter plate are provided with the symmetrically arranged elastic clamp;Elastic clamp includes multiple clamping pieces, multiple clamping pieces are annularly distributed, and one end of multiple clamping pieces is connected with adapter plate, middle part is gathered to middle, and the other end forms the horn mouth shape of outward expansion. The adapter in the utility model is simple to operate, and installation efficiency is high.

This invention relates to the field of wireless communication technology, specifically to a broadband balanced antenna feeding method based on a common-mode inductor. This method addresses the shortcomings of traditional balanced antenna feeding technologies, such as insufficient broadband adaptability and poor common-mode interference suppression. It employs a common-mode inductor to convert the single-ended RF signal of the coaxial cable into a differential balanced signal. The method sequentially performs calculations of the single-ended signal input value, measurement of the differential signal amplitude and phase difference, antenna feeding matching degree calculation, detection of coaxial cable outer wall current, and isolation rate calculation. Then, it integrates core parameters to generate feeding parameter calibration coefficients, adjusting the feeding signal output to obtain a stable broadband feeding value. This broadband balanced antenna feeding method based on a common-mode inductor can stably achieve single-ended to differential signal conversion over a wide frequency band, calibrate signal imbalance in real time, effectively suppress outer wall common-mode current interference, improve antenna feeding matching degree, and is suitable for broadband wireless communication, RF detection, and other system applications.

This utility model relates to the field of cable technology, and in particular to a bending limiting structure based on ultra-flexible, low-loss, high-temperature coaxial cable. It includes an ultra-flexible, low-loss, high-temperature coaxial cable body, a bending mechanism sleeved on the outside of the cable body, and a protective mechanism installed on the outside of the bending mechanism. The bending mechanism includes a central cylinder, with protective sleeves fixed at both ends of the central cylinder. Bending fins and a first inclined groove are formed on the outside of the protective sleeves. The protective mechanism includes a rubber sleeve, with linearly arranged pinholes on the outside of the rubber sleeve. A V-shaped groove is formed at the end of the rubber sleeve away from the central cylinder, and a weakening groove is formed on the inside of the rubber sleeve. In this utility model, the bending mechanism assists in bending the cable and reduces cuts, while the protective mechanism first buffers and then actively breaks to release the tension during pulling. The two work together to prevent cable breakage, achieving effective protection for the ultra-flexible cable during bending and stress.

The utility model relates to a kind of ground wave digital television signal receiving antenna technology.The utility model discloses a kind of logarithmic formula television receiving antenna feed matching port, including the coaxial cable and PCB single panel connected with logarithmic formula television receiving antenna feed end, PCB single panel includes the copper foil layer being set in upper portion and the PCB resin layer being set in lower portion, coaxial cable one end is equipped with net knitting, the other end is bare core wire, net knitting and core wire are respectively connected with PCB resin layer.PCB resin layer one end is connected in the net knitting of coaxial cable, the other end is pressed in coaxial cable core wire 2 connecting end, the copper foil layer of PCB single panel and core wire connecting end are isolated by PCB resin layer and form distributed capacitor, this distributed capacitor compensates the impedance mismatch caused by the tiny inductance of coaxial cable core wire lead line cross connection;Realize a kind of logarithmic formula television receiving antenna feed matching port;So as to realize the beneficial effect of improving the transmission efficiency of antenna.

This invention provides a broadband circularly polarized metasurface antenna, comprising a first dielectric substrate and a second dielectric substrate, a metasurface radiator, a sequential feed network, a metal reflector, a coaxial cable, a feed probe, and a metal short-circuit pin. The first dielectric substrate is disposed parallel to and above the second dielectric substrate. The metal reflector is printed on the lower surface of the second dielectric substrate. The metasurface radiator includes a square patch printed on the center of the lower surface of the first dielectric substrate, and an inner-ring metasurface array, an outer-ring metasurface array, and a quarter-wavelength branch printed on the upper surface of the first dielectric substrate. This broadband circularly polarized metasurface antenna provides a 37.74% operating bandwidth, a gain of 6.36–9.28 dBi, and good directional radiation performance, while also possessing the advantages of wide bandwidth, high gain, and small size.

The embodiment of the present application discloses an antenna and a broadband matching network, the broadband matching network comprises: a passive impedance matching circuit and a non-Foster impedance matching circuit. The passive impedance matching circuit has a first port and a second port; the second port is connected with a coaxial port. The non-Foster impedance matching circuit has an input end and an output end; the input end is connected with the first port, and the output end is connected with a feed end of the antenna. The passive impedance matching circuit comprises at least one capacitor and at least one inductor which are connected with each other; and the non-Foster impedance matching circuit comprises at least one transistor and at least one capacitor, inductor or resistor which are connected with each other. The antenna of the embodiment of the present application realizes impedance matching between a coaxial cable and the feed end of the antenna by using the broadband matching network, realizes the broadband design of the antenna, and provides convenience for the miniaturization of the antenna.

The application discloses a kind of online detection devices of leakage coaxial cable inner core PIM defect, coupling intermediate section outer conductor is arranged between two outer conductor side covers, wherein, the inside of coupling intermediate section outer conductor is provided with coupling ring, outer coaxial outer conductor is provided on the outer wall of coupling intermediate section outer conductor, the outer coaxial inner conductor is provided in the outer coaxial outer conductor, wherein, one end of coupling ring is connected with the inner wall of coupling intermediate section outer conductor, the other end of coupling ring is inserted into the outer coaxial inner conductor by passing through the first through-hole on the side surface of coupling intermediate section outer conductor, the middle part of coupling ring is opposite to the inner conductor to be measured, the inner conductor to be measured passes through the outer conductor side cover aperture on coupling intermediate section outer conductor and outer conductor side cover, and external PIM test equipment is connected with outer coaxial outer conductor and outer coaxial inner conductor, and the device can more accurately detect the PIM defect of coaxial cable inner core.

Provided is a wireless power supply communication system capable of suppressing occurrence of a situation in which an electrical device cannot be supplied with sufficient power due to a null point being arranged by interference of electric waves, and capable of efficiently performing wireless power supply by electric waves radiated from a leaky coaxial cable. A wireless power supply system (1) supplies power to an electrical device (3) by electric waves radiated from a leaky coaxial cable (2). The wireless power supply system (1) is provided with an electric field intensity distribution variable unit (50) that makes the electric field intensity distribution of the electric waves radiated from the leaky coaxial cable (2) variable, and moves the position of a null point caused by interference of electric waves by changing the electric field intensity distribution using the electric field intensity distribution variable unit (50).

The invention relates to a magnetic resonance coil array (30) of a magnetic resonance system having a distributed cabling realized by a self-compensating radio frequency choke (10). The magnetic resonance coil array (30) comprises a plurality of magnetic resonance receive coils (32), an input-output unit (34) and a plurality of coaxial cables (14) interconnecting the magnetic resonance receive coils (32) with the input-output unit (34). The coaxial cables (14) comprise the self-compensating radio frequency choke (10). The self-compensating radio frequency choke (10) allows replacing conventional large volume resonant radio frequency traps used in conventional magnetic resonance coil arrays and allows implementing a distributed cabling. The self-compensating radio frequency choke (10) comprises a choke housing (12) having a toroidal outer shape and a coaxial cable (14), wherein the coaxial cable (12) is wound around the choke housing (12) in a self-compensating winding pattern. The self-compensating winding pattern provides a compensation for a B1 excitation field of the magnetic resonance system and does not require the self-compensating radio frequency choke (10) to resonate with the B1 excitation field.

The application provides a high-gain dual-polarized dipole antenna, which comprises a first dielectric plate, a second dielectric plate, a reflecting plate, a first coaxial cable, a second coaxial cable, a first 1:2 power divider, a second 1:2 power divider, an antenna radiator and four feed baluns; the first dielectric plate is arranged in parallel above the middle part of the second dielectric plate, the reflecting plate is printed on the lower surface of the second dielectric plate, and the first 1:2 power divider and the second 1:2 power divider are printed on the upper surface of the second dielectric plate; the antenna radiator is printed on the upper surface of the first dielectric plate and comprises four dipole radiation arms; the four feed baluns are arranged between the first dielectric plate and the second dielectric plate, and one feed balun is arranged below every adjacent two dipole radiation arms in the circumferential direction. The application realizes wide bandwidth, high gain and good directional radiation performance through a simple and compact structure.