45results about How to "To achieve the purpose of switching" patented technology

The invention discloses a high-reliability frequency source device, and aims to provide a frequency source device with high reliability, and good long-term and short-term stability. The equipment is implemented through the following technical scheme: two three-in-one antennas and signal amplifiers are adopted by a receiving switching unit and are connected in series to form a 2*3 signal switching matrix; the 2*3 signal switching matrix switches received satellite signals via multichannel receiver chips and a one-out-three switch; the one-out-three switch receives three paths of satellite second signals which can be of a same source or different sources; one path of the satellite second signals selected is fed into a one-to-three power divider; three paths of same-source satellite second signals obtained by power dividing are respectively transmitted to a locking unit so that the input same-source satellite second signals are locked and are respectively output to a signal processing unit A and a signal processing unit B; and the other path of satellite second signals passing through the one-to-three power divider is used for carrying out frequency correction disciplining on a rubidium clock; standard frequency signals are transmitted to a signal processing unit C via a rubidium clock phase locking unit; and thus, three standard frequency signals of the same source are formed and output.

The invention discloses a color-changing switching mechanism and a color-changing lighter. The color-changing switching mechanism comprises a color-changing switching plate, a push rod, an elastic member and a limit mechanism. A color-developing plate is fixed in the flame hole, and the bottom of the color-changing switch plate is constructed with a circumferentially arranged tooth slot along the axis, and the tooth slot includes a straight side and an oblique side; the push rod is connected with the elastic part, and enters or leaves the tooth slot by elastic force; The position mechanism is used to push the push rod forward after the push rod is separated from the tooth slot, so that the push rod can be stuck along the oblique side of the next tooth slot when the push rod is reset next time, and drives the discoloration switch plate to rotate along the axis to switch the flame hole. The discoloration switching mechanism can be applied to lighters of various styles such as straight-press type and flip-top type, and only needs to flip the lid or press down once to switch the flame hole, and the operation is simple and convenient, and it is highly interesting.

The invention discloses high-stability combined region time service frequency generation equipment and aims to provide time service frequency generation equipment with high reliability, high length stability and a wide application range. The invention adopts the technical scheme that a receiving switching unit inputs two paths of selected satellite second signals from different sources into a locking unit to carry out frequency locking, two paths of phase-locked standard frequency signals generated by the locking unit and are respectively output to a signal processing unit A and a signal processing unit B; one path of satellite second signal is also used for carrying out frequency correction on a rubidium clock connected in parallel between a three-selection two-open device and a first analog phase-locked loop PLL_A, and one path of standard frequency signal is generated and transmitted to a signal processing unit C; and the signal processing units carry out signal shaping, amplification, shunting and coding on three paths of standard frequency signals from different sources, the obtained signals are subjected to frequency division, output to a far-end time service unit and are converted into optical signals by an optical-electrical converter, and the optical signals are transmitted to an equipment machine room by one or multiple paths of optical fibers and then are converted into electric signals, and the electric signals are transmitted by an antenna so as to complete a clock time service of a receiving end.

The invention discloses a communication management method and system based on intelligent optical network unit. When the system is on, the management function modules of its main server or backup server start to be initialized. The communication configuring modules built in the main server and the backup server also start to be initialized to automatically update the initialization configuring data corresponding to and connected with the client terminal of the intelligent optical network. The client terminal of the intelligent optical network automatically conducts the functional identification and initialization of the CPU control module and the internet-of-things interface module. According to the communication management method and system based on intelligent optical network unit proposed by the invention, a long-time TCP connection and fault-tolerance and correction mechanism between a modularized intelligent optical network and a management platform is maintained. With the management method, the requirement of the TCP on the number of the TCP interfaces can be effectively reduced; the number of the servers and the overheads of the servers can be reduced; the switching between the main server and the backup server is realized, so is the switching between the IP and the domain name. Further, as fault-tolerance processing is introduced, connection can recover automatically when a fault occurs to the intelligent device.

The invention discloses an output device of different sources of frequencies, and aims at providing the frequency source device of fast switching, high reliability and accuracy and high length stability. Two paths of satellite second signals, of different sources, are processed by a locking unit to generate two paths of phase-locked standard frequency signals, the two paths of standard frequency signals are output to an amplification output unit A and an amplification output unit B, one path of the signals is provided for a rubidium clock connected, in parallel, between a two-of-three switch and a first analog phase-locked loop PLL_A for frequency calibration, a rubidium clock clean up unit generates one path of standard frequency signals and transmits the path of signals to an amplification output unit c, two clean up oscillators in parallel connection lock signals of themselves in signals which take rubidium clock frequency signals as reference, output signals of the rubidium clock clean up is transmitted to the amplification output unit c, and thus, three paths of standard frequency signals of different sources are output.

The invention discloses a Ka waveband multi-channel down-conversion device. The device comprises a switching unit and signal channel units; the switching unit switches the signal channel units in adoption of a multi-level switch; each signal channel unit is electrically connected with a mixer; each mixer is electrically connected with a cavity filter; with respect to the signal channel units, corresponding working channels are communicated through selecting and clicking switch display symbols on a touch display screen. According to the device provided by the invention, the cavity filter connected with each mixer timely filters the spurious signals generated in mixing; the spurious signals are prevented from participating in follow-up mixing to generate more spurious signals; the spurious suppression degree of the link is greatly improved; and the problems in the prior art that the Ka waveband down converter is low in stability, reliability and sensitivity, complex in switching and many in spurious signal.

The invention relates to the field of machining, in particular to a multi-camera workpiece clamping device for combined machining that can remove iron filings, comprising a supporting chassis, a rotating assembly, a turning assembly and the like; , and the top surface of the supporting chassis is provided with a flipping component. According to the number of teeth of the missing gear and the spur gear, one rotation of the missing gear can drive the spur gear and its upper device to rotate 90 degrees, so that the turret drives the workpiece to rotate 90 degrees, so as to realize the purpose of switching the position of the workpiece. , which is convenient for the processed parts to enter the next processing process.