32results about How to "Save ports" patented technology

The invention belongs to the technical field of cloud, and relates to a method and device for logging in multiple service clusters, computer equipment and a storage medium. The method comprises the following steps: creating an associated account set in a relational database of an account login server, wherein the associated account set comprises account information of at least one account registered by the same user; when a terminal login request redirected by the first service cluster is received, judging whether the terminal logs in any service cluster or not; when the terminal logs in any service cluster, creating a first authorization token; Redirecting the terminal to the first service cluster, and transmitting the first authorization token to the first service cluster; Verifying a second authorization token provided by the first service cluster; And when the second authorization token passes the verification, determining that the terminal successfully logs in the first service cluster. According to the method, a plurality of service clusters can be logged in conveniently and safely.

The invention relates to a link aggregation system of a switch. The system comprises a switch, a controller and a server for establishing a communication connection with each other, wherein the switchis configured to receive a data packet from the server, generate data forwarding information corresponding to the data packet, and transmit the data forwarding information corresponding to the data packet to the controller; the controller is configured to store the data forwarding information corresponding to a plurality of data packets sent by the switch, confirm that at least two switch ports of the switch conform to a link aggregation condition according to the data forwarding information corresponding to the plurality of data packets, and transmit the first indication information to the switch; and the switch is configured to configure a logical port according to the first indication information, receive a first subsequent data packet, and transmit the first subsequent data packet through the logical port. The system simplifies the configuration process of link aggregation.

The invention provides an SQUID (Superconducting Quantum Interference Device) detection module and an SQUID sensor. The SQUID detection module comprises an SQUID device and a superconducting coil ring, and the SQUID device senses a magnetic flux detected by the superconducting coil ring and converts the magnetic flux into an electric signal; and the superconducting coil ring comprises a first superconducting coil unit and a second superconducting coil unit which are connected end to end, and the connection node of the first superconducting coil unit and the second superconducting coil unit isused as a lead terminal to receive a feedback signal. According to the SQUID detection module and the SQUID sensor, a feedback coil is not needed, ports and cost are saved, the layout design difficulty is simplified, the process difficulty is reduced, and the rate of finished products is increased; and direct electric feedback is adopted, so that magnetic flux leakage is reduced, the SQUID detection module and the SQUID sensor have important significance for multi-channel application, magnetic flux interference and coupling among channels can be greatly reduced, the problem of signal crosstalkamong the channels is solved, and the difficulty of system signal extraction is reduced.

The invention discloses an electrode array nonpolar constant current electrical stimulation circuit, which is characterized in that the circuit comprises an H bridge circuit module, a high-voltage generation module, a power supply control module, a microcontroller and an electrode array. Through the H bridge circuit formed by photoelectric silicon controlled rectifiers, isolation of a low-voltage circuit and a high-voltage circuit can be realized conveniently; through an electrode switching switch formed by photoelectric bidirectional silicon controlled rectifiers, control of isolation of the low-voltage circuit and the high-voltage circuit is realized conveniently, and the bidirectional silicon controlled rectifiers can enable a nonpolar stimulation current to be loaded to a human body; through the combination of one electrode and two switches, any group of electrode can be selected and powered up, thereby providing rich stimulation sites and stimulation modes; only one wire is needed for connecting each electrode in array electrodes with the circuit, thereby simplifying electrode connection mode and facilitating expanding more electrodes; and control of the photoelectric bidirectional silicon controlled rectifiers is realized by a serial-to-parallel data chip 74HC595, thereby saving ports of a microcontroller and facilitating expanding.

The invention discloses a conveying mechanism realizing an adjustable material conveying function. The conveying mechanism comprises a main frame body, transmission rollers are arranged on front portions and rear portions of two side plates of the main frame body, and connecting shaft parts at two ends of the transmission rollers are hinged to the two side plates through bearings. Materials on a conveying belt can be concentrated and delivered out in a concentrated mode through two side guide plates after entering from a large-width connector, thus an end opening of the delivering-out end becomes small, and the conveying mechanism is suitable for material receiving of a small-width material receiving opening.

The invention provides a dual-band allocation combination apparatus for solving shortcomings in the prior art. The dual-band allocation combination apparatus comprises a metal cover plate and a metal box body, wherein an SMA connector is arranged on each of four walls of the metal box body separately; a microstrip plate is arranged in the metal box body 9; blocking capacitors, microwave diodes, conduction bands and resistors are arranged on the microstrip plate; the blocking capacitors, the microwave diodes, the conduction bands and the resistors are connected together through the conduction bands; and the microstrip plate and the SMA connectors are connected together through the conduction bands. The dual-band allocation combination apparatus has the advantages as follows: external-connecting ports of a microwave digital assembly are reduced and the usage amount of radio-frequency cables in radar or a communication system is reduced, thereby improving the reliability of the microwave digital assembly.

The slip ring comprises an inner transmission shaft, and a paper tube fixing assembly and a magnetic transmission assembly which are independent of each other are arranged on the outer surface of the inner transmission shaft; the magnetic transmission assembly comprises a transmission ring and an electromagnetic system used for generating electromagnetic force to drive the paper tube fixing assembly to rotate, the transmission ring is fixedly connected with the inner transmission shaft, the electromagnetic system comprises magnetic powder, and a second space used for containing the magnetic powder is formed in the transmission ring. The transmission ring is provided with an electromagnetic damping adjusting assembly used for adjusting the size of the second space gap. The invention further provides a slip shaft system with adjustable electromagnetic damping. According to the slip frequency ring with the adjustable electromagnetic damping and the slip frequency shaft system, the electromagnetic damping adjusting assembly is arranged in the slip frequency ring, mechanical adjustment of electromagnetic torque generated by a single slip frequency ring can be achieved, when a plurality of slip frequency rings are arranged in series, the same wire is adopted to supply power to an electromagnetic system, and the structure is simpler and more practical.

The invention discloses an alternating current sampling device which comprises the components of: an alternating voltage sampling circuit which is used for sampling the voltage of the alternating current for obtaining a low-voltage alternating current sampling voltage; a rectifying circuit which is used for rectifying the alternating current and converting the alternating current voltage into direct current voltage with constant voltage; a direct-current voltage sampling circuit which is used for sampling the direct-current voltage converted from the alternating-current voltage to obtain direct-current sampling voltage; and a comparator, wherein the inverting input end of the comparator is grounded, the non-inverting input end of the comparator is connected with the alternating current sampling voltage output by the alternating current voltage sampling circuit, the power supply end of the comparator is connected with the direct current sampling voltage output by the direct current voltage sampling circuit, and the output end of the comparator is used for outputting sampling signals containing alternating current voltage amplitude information and zero-crossing signals. By adopting the technical scheme of the invention, the amplitude information of the alternating current and the zero-crossing signal can be integrated into one path of signal.

The invention provides a driving circuit of a stepping motor. A control signal for switching a reference voltage for setting the current of the stepping motor is prevented from being generated by an external device. The driving circuit of the stepping motor is internally provided with a shift register (14), a resetting circuit (16) and a switching element (18), wherein the shift register (14) receives a transmitter clock signal (A), shifts according to the transmitter clock signal (A) and outputs a gate signal (J) a set time later after resetting; the resetting circuit (16) outputs a resetting signal (D) for resetting the shift register (14) after receiving an input stepping signal (B) for driving the stepping motor; and the switching element (18) receives the gate signal (J) of the shift register (14) and switches a cut-off state and a on-state.

The invention discloses an Arduino platform-based colorful flash stick system, which comprises a boosting circuit, an ATTiny85 control circuit, a full-color LED and a USB interface, wherein the ATTiny85 is connected with the boosting circuit, an LED light strip, the USB interface and other accessories respectively. The Arduino platform-based colorful flash stick system has the beneficial effects that the eight-pin ATTiny85 is adopted as main control, the first pin is a software burn-write reset end, the second pin is connected with the second data end of the 10 USB interface, the third pin isconnected with the third data end of the USB interface, the fourth pin is grounded, the fifth pin is connected with a 6 vibration sensor, the sixth pin is connected with the data input end of the 9 full-color LED, the seventh pin is connected with an 8 key switch, and the eighth pin is connected with the output end of the 4 boosting circuit. The pins are made full use of, the circuit is concise, and the welding and the making are easy; besides, the SK6812 full-color LED is used as a display part, and multi-color display is realized. By adopting the 1.5V-5V boosting circuit, normal operation can be carried out with one 1.5V battery, the size and the weight of the rocking stick are reduced, and the portability and the user experience are enhanced.

The invention provides multifunctional protective glasses based on electrowetting micro-fluidic driving and a method, an electrode channel and three liquid storage containers are arranged in a lens substrate, and orange deionized water, blue deionized water and a 0.2 mol/L Fe2 (SO4) 3 solution are stored in the three liquid storage containers respectively; the electrode channel is formed by sequentially connecting three liquid outlet channels, a mother electrode channel and a plurality of rows of sub electrode channels, the lower end of one liquid outlet channel is correspondingly communicated with the left side of one liquid storage container, the upper ends of the three liquid outlet channels are jointly communicated with the mother electrode channel which is horizontally arranged left and right and is located over the three liquid storage containers, the plurality of rows of sub electrode channels are arranged right above the mother electrode channel, the lower ends of the sub electrode channels are communicated with the mother electrode channel, and the mother electrode channel, each liquid outlet channel and each row of sub electrode channels are formed by front polar plates and rear polar plates. A programmable chip is used for controlling electrode time sequence voltage, liquid drops are adsorbed on a conductive substrate and move under the action of voltage based on electrowetting micro-fluidic driving, the automation degree is high, and liquid filling is rapid and uniform.