39 results about "Active cable" patented technology

The invention discloses a movable automobile charging pile, and relates to the technical field of automobile charging piles, the movable automobile charging pile comprises a storage box, the storage box is fixedly connected to a pile body, the interior of the storage box is rotatably connected with a rotating shaft, the rotating shaft is fixedly sleeved with a rotating cylinder, a cable is wound on the rotating cylinder, one end of the cable penetrates through a wire outlet pipe to be connected to a charging gun, and the wire outlet pipe is fixed to the storage box; the bayonet is fixedly connected to the pile body and used for clamping and fixing the charging gun; and the length locking mechanism is connected to the rotating shaft and is used for locking the rotation of the rotating shaft after the user pulls out the cable so as to maintain the current length of the cable. A plurality of cable length locking mechanisms are provided, mechanical locking does not need electric power, electric locking supports accurate control, different application scenes and user requirements are met, an electric driving scheme is combined with an active cable arranging mechanism, automatic and neat cable recycling is achieved, and the durability of a product and the user experience are improved.

A method of managing electric vehicle (EV) supply equipment that includes detecting a plurality of EVs are electrically connected to EV supply equipment via electrical cables that communicate electrical current from a grid to vehicle batteries on the EVs through the EV supply equipment: assigning a queue value to each EV based on the order in which the EV electrically connected to the EV supply equipment: determining that the quantity of EVs electrically connected to the EV supply equipment exceeds a maximum number of EVs the EV supply equipment can charge at once; and selecting the electrically connected EVs to charge via active cables based on queue values while the remaining electrically connected EVs wait for charging via queued cables.

The present invention discloses a method and device for generating movement control signals for a tensegrity robot, belonging to the field of robot control technology. The method comprises: selecting a portion of the cables of the tensegrity robot as active cables and the remaining portion as passive cables; inputting the initial values ​​of the gait variables of the active cables into an optimization algorithm for iteration to obtain updated values ​​of the gait variables of the active cables, and then inputting the updated values ​​of the gait variables of the active cables into the optimization algorithm for repeated iteration until a specified number of iterations is reached; fine-tuning and optimizing the gait variables through multiple rounds of iteration; calculating the active cable update control signals and their evaluation parameters corresponding to the updated values ​​of the gait variables of the active cables in each round of iteration to determine the active cable target control signals; the gait variables determined in this way and the corresponding active cable target control signals are used to control the active cables and drive the passive cables to perform gait movements, thereby accurately controlling the rapid walking movement of the tensegrity robot.

The present invention discloses a method for processing and reading the Cable ID of an HDMI active cable and related products. The method includes using an I2C device to monitor the HDMI-SCL signal line and HDMI-SDA signal line of the HDMI active cable, wherein the clock pin of the I2C device is connected to the HDMI-SCL signal line, and the data pin of the I2C device can be set to be connected to the HDMI-SDA signal line or left floating. The I2C device responds to the I2C read and write operations of the source device through the HDMI-SCL signal line and the HDMI-SDA signal line. In response to detecting the slave address or I2C data output by the source device on the HDMI-SDA signal line, the data pin of the I2C device is set to be floating, so that the I2C ACK signal generated by the I2C device based on the data output by the source device is not output to the HDMI-SDA signal line. In response to detecting the I2C ACK signal output by the slave device based on the data output by the source device, the data pin of the I2C device is connected to the HDMI-SDA signal line to enable data exchange between the I2C device and the HDMI-SDA signal line. This solution uses standard I2C devices to monitor I2C data and respond to I2C read operations without responding to I2C addresses.

The invention provides a method for a relay assembly supporting firmware update to execute a PD E-marker function, an electronic device and an active cable, and relates to the technical field of communication, the relay assembly comprises a serial communication device and a processor, and the method comprises the steps that in response to power-on, the processor completes loading of a first sub-firmware within tVconnStable time; the processor executes the first sub-firmware so as to realize a PD E-marker function by using the serial communication equipment, the processor executes the second sub-firmware, and the second sub-firmware is used for loading the second firmware; the processor executes the second firmware. According to the method, the operation firmware of the relay assembly is subjected to functional splitting, only the first sub-firmware related to the function of returning the cable information in response to the USB PD command is loaded in the tVconnStable time, the size of the firmware loaded in the tVconnStable time is shortened, and after the eMarker chip is powered on, the cable can quickly return the cable information based on a PD related protocol.

The low-power-consumption module is applied to a Type-C active cable and the active cable thereof, the low-power-consumption module is provided with a register control module comprising a function register and a mirror image register, the function register is used for storing parameters of a high-speed signal processing module, the mirror image register is a low-power-consumption current mirror latch, and the function register is used for storing parameters of the high-speed signal processing module in response to entering a low-power-consumption mode. The parameters are latched to a mirror image register, and other circuits are closed; in response to the situation that the low-power-consumption module needs to be awakened, the high-speed signal processing module and the function register are started, and the parameters stored in the mirror image register are mapped to the function register, so that the high-speed signal processing module recovers parameter configuration before dormancy. According to the invention, all configuration information of the high-speed channel can be completely stored only by consuming microampere-level current in a sleep period, a working state before sleep can be recovered within microseconds through a hardware-level register rapid mapping mechanism, and multiple wake-up detection of sideband signals, LFPS signals and data transmission is supported.

A system may include a first link including a first digital signal processor (DSP), a first optical receiver, and a first optical transmitter. The system may include a second link including a second DSP, a second optical receiver, and a second optical transmitter. The second DSP may be coupled to the first DSP using one or more of an active electrical cable or an active optical cable. The second DSP may communicate with the first DSP using one or more forward error correction (FEC) padding bits or one or more reserved bits.

The invention provides a method for a relay component to execute a PD E-marker function, an information processing device and an active cable, and relates to the technical field of communication, the relay component comprises a serial communication device and a processor, and the method comprises the following steps: in response to power-on, the processor completes loading of first firmware within tVconnStable time; the processor executes the first firmware to implement a PD E-marker function by using the serial communication device, the PD E-marker function comprising: returning cable information in response to a first USB PD command; the processor loads the second firmware and executes the second firmware. According to the method, the operation firmware of the relay assembly is subjected to functional splitting, only the first firmware related to the function of returning the cable information in response to the USB PD command is loaded in the tVconnStable time, the size of the firmware loaded in the tVconnStable time is shortened, and the purpose that the relay assembly with the eMarker function can quickly return the cable information based on the USB PD protocol after being powered on is achieved.

Implementations for propagating data errors through encrypted interconnects without causing false authentication failures. A device in a UALink-based network detects a data error indicator on a data beat of a transaction and excludes the data beat from encryption and authentication tag computation by a port encryption engine. Bytes and byte enables of the data beat are replaced with a predetermined value, and the data beat is replaced with error indication messages in an outbound flit stream. At a receiving device, a transaction layer detects the error indication messages, asserts a data error indicator for the corresponding data beat, and a decryption engine excludes the data beat from decryption and authentication tag verification. The authentication tag verification succeeds for non-poisoned data beats despite the presence of poisoned beats. Implementations may apply to accelerators, switches, integrated circuits, active cables, and collective operations in the UALink-based network.

The invention discloses an optical fiber coupling device, an optical module and an active cable. The optical fiber coupling device comprises an optical assembly which comprises a first block body, a photoelectric conversion accommodating space arranged at the bottom of the front end of the first block body, and a plurality of optical fiber counter bores which are arranged at the rear end of the first block body and extend towards the front end of the first block body, the reflecting surface is arranged on the first block body and is used for implementing light propagation between the optical fiber counter bore and the photoelectric conversion accommodating space; and the jumper comprises a second block body and a plurality of optical fiber through holes which are formed in the second block body and penetrate through the second block body in the front-back direction. When the front end of the jumper is in butt joint with the rear end of the optical assembly, each optical fiber through hole is opposite to the corresponding optical fiber counter bore. The optical fiber coupling device has lower requirements on processing precision and assembling precision, the manufacturing cost is easy to reduce, the overall size is smaller, and the development requirements of miniaturization and high-density integration of an optical module are easy to meet.

The present application belongs to the technical field of communications. Provided are a cable, an active cable and a communication system. The cable comprises a dielectric layer, a first metal layer and at least two cores, the first metal layer covering the dielectric layer, and the at least two cores being located in the dielectric layer. The distance S between the centers of any two cores satisfies 1.97d≤S≤3.60d, and the distance w between the center of any core and the inner wall of the first metal layer satisfies 1.15d≤w≤2.10d, d being the diameter of the core and being determined according to the size of the cable. The present application enables cables to achieve the transmission of multiple signals under small cable diameters, thereby facilitating the weight reduction and thinning of cables.

The utility model provides an active cable, and belongs to the technical field of communication. The active cable comprises m sections of cables, a first electric module, a second electric module and (m-1) connecting modules, wherein m is an integer greater than or equal to 2; the m sections of cables are connected through the (m-1) connecting modules, the first electric module is located at the first end of the connected m sections of cables and used for being electrically connected with first equipment, and the second electric module is located at the second end of the connected m sections of cables and used for being electrically connected with second equipment; wherein the first electric module, the second electric module and the connecting module respectively comprise a chip used for carrying out loss compensation on transmitted service signals. According to the invention, the signal transmission distance of the active cable can be prolonged.

The invention provides an active cable with high environmental affinity and a preparation method thereof, and relates to the technical field of cables, the active cable comprises a wire pair, an insulating layer arranged outside the wire pair, an outer shielding layer arranged outside the insulating layer, a drain wire arranged in the outer shielding layer, a wire pair shielding layer arranged outside the outer shielding layer, and a sheath layer arranged outside the wire pair shielding layer. According to the active cable with high environmental affinity and the preparation method thereof, the inner shielding layer of the active cable is made of graphene oxide-polylactic acid, and the shielding layer can reduce loss in the transmission process, so that electromagnetic signals can be better transmitted; the insulating layer and the sheath layer are made of polylactic acid and poly (butylene adipate-co-terephthalate) in a mass ratio of 5: 5-7: 3, the composite degradable plastic material of the insulating layer and the sheath layer has relatively high temperature resistance and wear resistance at the same time, and the wire pair shielding layer is a tinned round copper net which is tightly woven, so that external electromagnetic wave interference can be prevented.

The present disclosure belongs to the technical field of communications. Provided are an active cable and a communication system. The active cable comprises an electrical module and a cable, wherein the electrical module comprises a signal conversion circuit, a device-side interface and a cable-side interface; the signal conversion circuit is separately connected to the device-side interface and the cable-side interface; the cable comprises cores; each core is surrounded by an anti-interference layer; each core is connected to the cable-side interface; the device-side interface is used for connecting to a communication device, and sending to the signal conversion circuit a differential signal received from the communication device; the signal conversion circuit is used for converting the differential signal into a single-ended signal, and sending the single-ended signal to each core by means of the cable-side interface; and each core is used for transmitting the single-ended signal. Single-ended signals are transmitted on a cable of an active cable, thereby reducing the number of cores used; and the cores of the cable can be used as independent channels to transmit the single-ended signals, thereby reducing the degree of crosstalk between single-end signals transmitted on different cores, and even preventing crosstalk.

The invention relates to an electrical module test method based on dynamic channel assessment, which comprises the following steps: activating a pseudo-random bit sequence generation module to generate a test signal, and transmitting the test signal to a receiving component of an active cable through a transmission channel. A receive side link training request signal is sent to a control unit of the active cable. The control unit sends a lookup table query instruction to the signal processor, the signal processor reads a lookup table of a mapping relation between pre-stored channel characteristics and optimal configuration, synchronously collects signal data output by the receiving assembly, and extracts initial channel characteristics and then carries out matching to obtain candidate preset values. And the signal processor receives the sampling signal output by the receiving assembly, and completes performance detection by calculating the bit error rate and the signal-to-noise ratio. Therefore, blind parameter traversal of a fixed sequence in the prior art is avoided through mutual cooperation of dynamic channel evaluation, channel characteristics and optimal configuration, intelligent mapping of a lookup table and direct positioning of adaptive configuration.

Implementations for verifying integrity of encryption engines in a UALink-based network. A device comprising a port encryption engine calculates a CRC value over plaintext content of a message before encryption, encrypts the CRC value using a portion of an encryption keystream that follows the portion used for message encryption, producing an encrypted CRC, and computes an authentication tag over the encrypted content and the encrypted CRC. The encrypted CRC does not increase bandwidth consumed by the message. At a receiving device, a CRC is independently recalculated from decrypted content, encrypted using a corresponding keystream portion, and compared via authentication tag verification. A fault in either the encryption engine or a decryption engine at the receiving device causes an authentication tag mismatch, enabling detection of internal crypto engine faults without additional protocol overhead. Implementations may apply to accelerators, switches, integrated circuits, and active cables in the UALink-based network.

The invention discloses a system and method for testing the RCS of a ship in an open sea. The device comprises a mooring unmanned aerial vehicle, a bearing platform, a tested ship and a control station, the mooring unmanned aerial vehicle is connected with the bearing platform through an active cable, stable transmission of electric power and signals is achieved, and the requirement for long endurance of open seas is met. The control station is provided with a dynamic tracking module, the radar direction is adjusted through video tracking or satellite positioning guidance, and continuous alignment of the moving ship is ensured; and the calibration reflector is used for field calibration in the open sea. The testing method comprises the steps of distance range determination, open sea area screening, dynamic tracking testing, field calibration and RCS calculation, the problem that an existing offshore / shore-based test cannot simulate the real environment of the open sea is solved, the testing result has practical significance, and the requirements of ship stealth design, weapon equipment demonstration and the like can be met.

The utility model discloses an optical module with a good heat dissipation effect and an AEC active cable. The optical module and the AEC active cable comprise an optical module and a cable assembly. The optical module comprises an optical module body, a PCB assembly and a cooling fan, the optical module body at least comprises a back shell and an outer shell, and the outer shell is arranged on the back shell to define a containing space; a heat dissipation part and an installation position are arranged on the shell; the heat dissipation fan is installed and positioned at the installation position, the heat dissipation fan at least comprises an air outlet, and the air outlet is used for conducting heat dissipation on the interior of the containing space and / or the heat dissipation part, so that air flow of the heat dissipation fan flows along the heat dissipation channel and / or the heat dissipation part from the air outlet to conduct heat dissipation on the optical module body. According to the optical module, the heat dissipation part can well exchange heat with external airflow, and the airflow of the heat dissipation fan dissipates heat in the accommodating space and / or the heat dissipation part under the cooperation of the heat dissipation fan, so that heat on the optical module main body is taken away in a dual heat dissipation mode, and the heat dissipation effect of the optical module main body is improved.

Interface circuitry for an active cable includes a first active cable interface configured for coupling to a first end of the active cable, and a second active cable interface configured for coupling to a second end of the active cable. The first active cable interface includes first transmitter circuitry including linear driving circuitry or non-linear driving circuitry, and first receiver circuitry including linear receiving circuitry or non-linear receiving circuitry. The second active cable interface includes second transmitter circuitry including linear driving circuitry when first transmitter circuitry includes non-linear receiving circuitry, and non-linear driving circuitry when first transmitter circuitry includes linear receiving circuitry. The second receiver circuitry includes linear receiving circuitry when first receiver circuitry includes non-linear driving circuitry, and non-linear receiving circuitry when first receiver circuitry includes linear driving circuitry.

The invention provides a cable, an active cable and a communication system, and belongs to the technical field of communication. The cable comprises a dielectric layer, a first metal layer and n battery cells, wherein n is an integer greater than or equal to 2; the shape of the cross section of the dielectric layer is a circle with the inner diameter being D, the dielectric layer is coated with the first metal layer, the n battery cells are located in the dielectric layer, the distance between the center of each battery cell and the circle center of the dielectric layer is S / 2, and the distance between the centers of every two adjacent battery cells is larger than the diameter d of each battery cell; wherein the value range of S is larger than or equal to 2.5 d and smaller than or equal to 6.9 d, the value range of D is larger than or equal to 4d and smaller than or equal to 10.35 d, and d is determined according to the type of the cable. By adopting the multi-core cable disclosed by the invention, the multi-core cable can be used for transmitting at least one path of differential signal, and can also be used for transmitting multiple paths of single-ended signals, so that the weight reduction and thinning of the cable can be realized.

The utility model provides a photoelectric connector applied to a vehicle and an active cable. The photoelectric connector comprises a housing; the photoelectric conversion module is arranged in the accommodating cavity of the shell; the electric connecting piece is partially arranged in the accommodating cavity of the shell and is connected with the photoelectric conversion module; the optical connecting piece is partially arranged in the accommodating cavity of the shell and is connected with the photoelectric conversion module; and the cured pouring sealant is filled in the accommodating cavity of the shell and covers the parts of the photoelectric conversion module, the electric connecting piece and the optical connecting piece in the accommodating cavity of the shell. The photoelectric connector can ensure that an active cable can be applied to an automatic driving vehicle, and low-delay, large-bandwidth and high-reliability video data transmission between a camera and a vehicle electronic system is realized.

The application discloses a method for processing reading of a cable ID of an HDMI active cable and related products, and the method comprises the steps of listening to an HDMI-SCL signal line and an HDMI-SDA signal line of the HDMI active cable by using a serial communication device. The serial communication device outputs all or part of the cable ID through the HDMI-SCL signal line and the HDMI-SDA signal line in response to sequentially detecting a plurality of first signal sequences and a second signal sequence; wherein the data of the cable ID starting from an offset value and having a length is determined according to the offset value and the length obtained from the plurality of first signal sequences; and the serial communication device further identifies that the processing of the reading of the cable ID is completed in response to sequentially detecting a third signal sequence. The scheme replaces the I2C on-chip peripheral with other serial communication devices in a general MCU, and can listen to and respond to data on the I2C channel while meeting the non-response I2C slave address, so that the reading of the cable ID data of the HDMI2.1 protocol is completed.

The invention relates to the technical field of offshore wind power operation and maintenance, and discloses an intelligent collaborative replacement system and method for large components of an offshore wind turbine. The system comprises a bottom-supported operation platform, a hoisting control device, a multi-mode anti-collision and posture stabilizing device and a modular assembly. And the hoisting control device plans and instructs the main crane and the auxiliary crane to act cooperatively through the cooperative controller. According to the multi-mode anti-collision and posture stabilizing device, real-time data are fused and processed through a posture sensing unit, a data processing center and an executing mechanism so as to generate a track correction instruction for restraining swing and preventing collision, and the executing mechanism is an active cable rope array. The modular tool set comprises a profiling adjustable elephant leg tool, a multi-point self-adaptive balance hanging beam and a buffer protection tool assembly. The replacement method comprises the steps of intelligent parking of the platform, intelligent cooperative disassembly and reassembly of the impeller assembly, intelligent replacement operation of the main machine and the like, accurate control over replacement operation of large components in the wind disturbance environment is achieved, and operation safety and reliability are improved.

An active cable node circuit associated with a hybrid fiber coax network is disclosed. The active cable node circuit comprises an uplink transceiver circuit configured to couple to an aggregation node circuit over a first coax cable link comprising coaxial cables and receive a set of downstream data signals from the aggregation node circuit. In some embodiments, the active cable node circuit further comprises one or more access transceiver circuits configured to provide the set of downstream data signals received at the uplink transceiver circuit or a processed version thereof, to one or more access circuits. In some embodiments, each of the one or more access transceiver circuits is configured to couple to the uplink transceiver circuit at a first end, and couple to a set of access circuits of the one or more access circuits at a second, different end, over a second coax cable link.

The invention relates to an active cable and a communication system. The active cable comprises two transmitting and receiving ends, and each transmitting and receiving end comprises a digital signal processor (DSP) with N / 2 channels. A first signal is received through a first transmitting golden finger on a first end, a first to-be-transmitted signal is obtained according to the first signal, the first to-be-transmitted signal is transmitted to a DSP of a second end, and the DSP of the second end compensates the first to-be-transmitted signal to obtain a first target signal. The first target signal is transmitted to a receiving golden finger, corresponding to the first transmitting golden finger, on the second end, a second signal is received through a second transmitting golden finger on the first end, the second signal is compensated through the DSP of the first end to obtain a second to-be-transmitted signal, and the second to-be-transmitted signal is transmitted to the second end. And the second end obtains a second target signal according to the second signal to be transmitted, and transmits the second target signal to a receiving golden finger corresponding to the second transmitting golden finger on the second end. The power consumption and the cost of the active cable can be reduced.

The invention relates to the technical field of cable supporting, in particular to an active cable supporting frame for festoon test equipment, which comprises a guide cross beam and a festoon trolley slidably mounted on the guide cross beam, an embedded guide rail is fixedly assembled on the lower surface of the guide cross beam, and an embedded adjusting seat is movably assembled in the embedded guide rail. According to the active cable supporting frame for the festoon test equipment, the position, located in the embedded guide rail, of the embedded adjusting base is changed in an active adjusting mode, a cable can be supported according to the set position, and the adjusting mode is more convenient and faster; the electric control overturning type regulation and control arm is movably assembled in the embedded type regulation seat, the electric control overturning type regulation and control arm is unfolded and stored in an electric control overturning mode, the electric control overturning type regulation and control arm can be overturned and stored in the embedded type guide rail in idle time, the space utilization rate is more reasonable, different supporting heights can be adjusted according to needs, and the application range is wider.

The application provides an optoelectrical connector applied to a vehicle, an assembling method thereof and an active cable. The optoelectrical connector comprises a shell, an optoelectrical conversion module arranged in a receiving cavity of the shell, an electrical connecting member partially arranged in the receiving cavity of the shell and connected to the optoelectrical conversion module, an optical connecting member partially arranged in the receiving cavity of the shell and connected to the optoelectrical conversion module, and a cured potting glue filled in the receiving cavity of the shell and covering the optoelectrical conversion module and the part of the electrical connecting member and the optical connecting member in the receiving cavity of the shell. The optoelectrical connector can ensure that the active cable can be applied to an autonomous vehicle, and realize low-delay, large-bandwidth and high-reliability video data transmission between a camera and a vehicle electronic system.

Interface circuitry for an active cable includes a first active cable interface configured for coupling to a first end of the active cable, and a second active cable interface configured for coupling to a second end of the active cable. The first active cable interface includes first transmitter circuitry including linear driving circuitry or non-linear driving circuitry, and first receiver circuitry including linear receiving circuitry or non-linear receiving circuitry. The second active cable interface includes second transmitter circuitry including linear driving circuitry when first transmitter circuitry includes non-linear receiving circuitry, and non-linear driving circuitry when first transmitter circuitry includes linear receiving circuitry. The second receiver circuitry includes linear receiving circuitry when first receiver circuitry includes non-linear driving circuitry, and non-linear receiving circuitry when first receiver circuitry includes linear driving circuitry.

The utility model relates to the technical field of take-up devices, in particular to a submarine cable active take-up arm which comprises a cable tray, a take-up and pay-off frame is arranged in the cable tray, and the take-up and pay-off frame is arranged on the axis of the cable tray. Traction gears are installed at the two ends of the retracting and releasing frame, a traction chain is arranged between the two traction gears, a traction motor is installed at one end of the retracting and releasing frame, and the traction gear at one end of the retracting and releasing frame is installed on an output shaft of the traction motor; a traction trolley is arranged on the folding and unfolding frame, a driving gear is installed on the traction trolley, and the driving gear is meshed with the traction chain. By arranging the take-up and pay-off frame, the traction gear, the traction chain, the traction motor and the traction trolley, the purpose that the traction trolley moves along the axis of the cable tray through the take-up and pay-off frame is achieved, so that orderly take-up and pay-off are achieved when a cable is laid, regular and orderly take-up and pay-off operation of the cable is guaranteed, and the working efficiency is improved. And the problem of disordered take-up and pay-off of cables in a working site is avoided.