195 results about "Synchronous switching" patented technology

The invention discloses a converter grid following-grid construction control mode smooth switching method suitable for wide-range source-grid state change. The method comprises the following steps: constructing a phase-locked loop control loop, a power outer loop control loop and a current inner loop control loop of a grid following type converter based on constant power control; constructing a voltage control loop, a phase control loop and a voltage and current double-closed-loop control loop of the network construction type converter based on the virtual synchronous generator VSG; calculating real-time output active power P and reactive power Q of the converter; constructing a voltage phase synchronization loop switching control loop and a current instruction tracking loop, and realizing smooth switching of dq-axis current instruction values output by a power outer loop of a following network type and a voltage outer loop of a construction network type; and the output dq-axis current instruction value is transmitted to a current inner loop to generate a final voltage signal, and a PWM wave is output to the converter through a modulation link. According to the method, a voltage phase synchronous switching compensation mechanism is adopted, a voltage amplitude and a phase signal are synchronously corrected in the mode switching process, and smooth change of an inner ring current reference signal is achieved.

The invention discloses an OEO amplifier with a high-speed hard switching function and an optical transmission system, and relates to the technical field of optical amplifiers, the OEO amplifier comprises three magneto-optical switches, an optical splitter group, a photoelectric detector group, a real-time comparison circuit, a logic gate control circuit and a driving circuit; the photoelectric detector group collects optical signal power to generate an electric signal; the real-time comparison circuit performs voltage threshold judgment on the electric signal; the logic gate control circuit is connected with the output end of the real-time comparison circuit so as to synchronously control the switching states of the three magneto-optical switches according to a voltage threshold judgment result; the driving circuit is used for driving the magneto-optical switch to synchronously execute a switching action; when the OEO amplifier detects that optical signals in any direction are interrupted, all the magneto-optical switches finish synchronous switching within 100 microseconds, and the end-to-end optical signal switching time difference is smaller than 2 picoseconds. The method is suitable for a single-fiber bidirectional optical communication environment requiring high frequency, high precision and high stability.

The invention discloses a double-fed unit network following-construction control bidirectional undisturbed switching method and system, and relates to the technical field of power grid control, and the method comprises the steps: 1, determining a dq axis orientation mode, and giving an orientation flag bit; 2, realizing switching of the machine-side networking control model between dq-axis orientation modes in combination with an orientation flag bit; selecting a root network or a constructed network in combination with the switching instruction; and 3, setting links of enabling triggering, pre-synchronization, switch switching and PI integral initial value resetting in a control loop of network following control and network construction control, when a switching instruction is received, performing on-demand enabling on the control loop, performing pre-synchronization on a network construction pre-synchronization ring and switching a judgment switch, and performing on-demand switching on the network construction pre-synchronization ring and the judgment switch. And triggering all PI integral initial values in the control loop to reset and accessing the switched control loop. The problems that in the prior art, due to the fact that directional consistency is not considered, severe switching fluctuation is likely to be caused, integral operation is excessive, and due to the fact that pre-synchronization precision is poor, large impact is likely to be generated in the switching process are solved.

The station switching mechanism comprises a station switching support, a station switching arm, a first driving part and a second driving part, the station switching arm is connected with a station switching arm shaft, and the station switching arm shaft is rotationally arranged on the station switching support; a sliding groove is formed in the station switching arm, a switching arm buckle is arranged in the sliding groove, and the station switching arm is connected with the workbench in a buckled mode through the switching arm buckle. The first driving part is connected with the station switching arm shaft, the station switching arm shaft is driven by the first driving part to rotate, and station switching of the station switching arm is achieved. The second driving piece is connected with the switching arm buckle, and the switching arm buckle is driven by the second driving piece to move along the sliding groove. The synchronous switching mechanism is simple and reasonable in structural design, high in practicability, small in overall size, high in applicability and convenient to operate, accuracy and reliability of operation actions are guaranteed, synchronous switching operation can be carried out on workpieces on two stations at the same time through the synchronous switching mechanism, the workpieces on the two stations are synchronously operated in a one-in-one-out mode, and therefore work efficiency is effectively improved.

The invention relates to the field of turning equipment, and discloses oil press pressing screw outer spiral machining equipment which comprises a rack base, an embedded stabilizing mechanism is located on an operation sliding table, and the embedded stabilizing mechanism is matched with an external rotary drum and a distribution guide rail of a guide roller shaft to be used for conducting circumferential clamping along the interior of a pressing screw blank. The linear traction mechanism is located on the center guide groove table, and the synchronous switching mechanism is located on the rack base and used for fixing thread groove cutting tools and synchronously switching the tools in cooperation with the side sliding table, the regulation and control screw rod, the linear opposite grooves of the center guide groove table and the U-shaped guide grooves of the linkage guide groove table. Synchronous clamping, fixing and rotating of two sets of pressing screw blanks are achieved through a concentric clamping mechanism and an opposite output mechanism which are symmetrically designed, double-station external spiral cutting is completed at a time in cooperation with a synchronous switching mechanism driven by linear traction, a mechanical structure that a center gear is in linkage with upper and lower opposite racks is adopted, strict synchronous movement of the clamping mechanisms on the two sides is ensured, and the working efficiency is improved. Machining errors caused by single-side stress are avoided, and meanwhile the power input requirement is simplified.

The invention discloses a photoelectric simultaneous-cutting multichannel test fixture and a battery test system, which are characterized in that components such as a photomask plate, a bottom electrode block, a top electrode down-leading circuit board and a switching slide block are integrated in a fixture body, so that when a to-be-tested sub-battery of a solar battery sample is tested, the to-be-tested sub-battery of the solar battery sample can be tested by the photomask plate, the bottom electrode block, the top electrode down-leading circuit board, the switching slide block and the like; the switching sliding block slides to enable the light transmitting opening to be aligned with the to-be-tested sub-battery, and meanwhile the connecting piece is electrically connected with the electrode of the to-be-tested sub-battery, so that synchronous switching of illumination and electric connection is achieved. According to the technical scheme, synchronous switching of the illumination channels and the electric connection channels of the multiple sub-cells in the solar cell sample can be achieved through the operation of sliding (illumination positioning and electrode conduction of the target sub-cell are completed at the same time), and the situation that in the prior art, a photomask assembly and a circuit channel switcher need to be operated separately is effectively avoided; the testing process is simplified, the misoperation risk is reduced, and the photoelectric path consistency is improved.

The utility model provides a kind of foaming forming die die changing cooperation mechanism, including die changing device, foaming mould box and mould box clamp, mould box clamp includes upper clamp and lower clamp, foaming mould box includes upper die and lower die, first lock pin connecting mechanism and second lock pin connecting mechanism are respectively equipped between upper clamp and upper die and between lower clamp and lower die, die changing device includes device frame, device frame is also equipped with die changing assembly, first lock pin connecting mechanism and second lock pin connecting mechanism both have locking connection state and unlocking separation state, when being in locking connection state, upper clamp and upper die, lower clamp and lower die are connected as a whole, when being in unlocking separation state, upper clamp and upper die, lower clamp and lower die are disconnected, die changing assembly can drive first lock pin connecting mechanism and second lock pin connecting mechanism synchronous switching between locking connection state and unlocking separation state. The utility model can save artificial cost, improve die changing efficiency.

The application relates to the technical field of ring network boxes, and discloses a one-two fusion convenient maintenance ring network box, which comprises a box body and a plurality of electrical elements arranged in the box body, the box body comprises a top plate, side plates and a bottom plate, a plurality of heat dissipation holes for heat dissipation are formed in the side plates, a switching-on and switching-off knife is arranged on the electrical elements, a connecting groove is formed in the switching-on and switching-off knife, a magnetic block is arranged on the groove wall of the connecting groove, a driving rod is further connected to the switching-on and switching-off knife, a plurality of trigger rods are arranged on the driving rod, an adsorption block which is magnetically opposite to the magnetic block is arranged at the end of the trigger rod away from the driving rod, and the adsorption block extends into the connecting groove. The one-two fusion convenient maintenance ring network box realizes the synchronous switching-on and switching-off of a plurality of switching-on and switching-off knives through single operation of the driving rod and the trigger rod, and the condensate water on the inner walls of the side plates is scraped off through the dehumidification mechanism, so that the maintenance efficiency of the ring network box is improved, and the safe work of the electrical elements in the ring network box is ensured.

The invention relates to a single-motor-driven double-opening vertical hinged door driving device capable of being synchronously and independently opened and closed, which comprises a driving motor (1) and a synchronous transmission device (2), the driving motor (1) is provided with two output shafts (11) with opposite rotating directions, clutches (3) are respectively arranged on the two output shafts (11), the output part of one clutch (3) is connected with a door shaft (4) of one side door, and the output part of the other clutch (3) is connected with a door shaft (5) of the other side door. Or the clutch (3) is connected with the door spindle (4) of one side door through a synchronous transmission device (2), the output part of the other clutch (3) is connected with the door spindle (4) of the other side door through the synchronous transmission device (2), and the synchronous transmission device (2) is composed of two transmission wheels, a transmission belt, a transmission chain, a transmission rope or a transmission rod which are arranged on the output part of the clutch (3) and the door spindle (4) respectively. The door is better in using effect and convenient to control, the two doors can be opened and closed synchronously, and one door can be opened and closed independently. And when the two doors are not synchronous, the two doors are easier to recover to a synchronous state.

This application discloses a dual-network synchronous switch and a dual-network synchronous switching method, relating to the field of network communication technology. The dual-network synchronous switch comprises a field programmable gate array (FPGA) and a central processing unit (CPU). The FPGA includes a high-speed interface processing module, a time frame module, a MAC processing module, a clock synchronization module, a time maintenance module, an FPGA time interaction module, and a data exchange module. The CPU includes a data processing module, a CPU time interaction module, and an Ethernet MAC module. This application implements clock information exchange through the FPGA time interaction module and the CPU time interaction module, and data exchange through the data exchange module and the data processing module. The Ethernet MAC module encapsulates the received clock information and data, which can then be communicated with other networks after encapsulation, thereby achieving clock synchronization and data exchange between the dual networks.

This invention relates to the field of drilling equipment, specifically a badminton racket positioning drilling device, comprising a frame, a clamping head, a drilling head, and a feeding assembly. The feeding assembly includes two sets of alternately operating feeding shafts located on the inner and outer sides of the frame, respectively. The feeding assembly also includes a base, a front swing arm, and a rear swing arm. The feeding shafts are fixed on the front and rear swing arms, respectively. Each feeding shaft includes a long beam, a housing, and a conveyor belt. This invention provides two sets of feeding shafts for carrying and conveying racket frames. When one feeding shaft is carrying and conveying racket frames on the inner side of the frame, the other feeding shaft can be positioned near the outer side of the frame for convenient loading by the user. After the inner feeding shaft is empty, a synchronous switching mechanism can drive the two swing arm components to move alternately, sending the feeding shaft that has been carrying a new racket frame to the inner side of the frame for feeding, thereby achieving continuous cyclic feeding without stopping the machine.

The invention discloses a 6U dual-core radio frequency signal processing method and system based on a heterogeneous computing architecture, and relates to the technical field of radio frequency signal processing. The method comprises the following steps: the embedded processing unit analyzes an external task instruction and distributes the external task instruction to the radio frequency direct sampling unit; the radio frequency direct sampling unit collects a radio frequency signal and generates a noisy baseband data stream. The auxiliary sampling ADC synchronously collects broadband switch noise, and generates an interference signal through a time sequence AI model; the hardware acceleration unit cancels the baseband data stream based on the interference signal to generate a clean data stream; and executing hardware acceleration processing on the clean data stream and writing the clean data stream into a shared memory unit. The technical problem that broadband synchronous switching noise generated by a digital circuit interferes with a radio frequency receiving link, and consequently the quality of a baseband data stream is reduced is solved, and the technical effect that the precision, reliability and real-time performance of radio frequency signal processing are improved through real-time noise cancellation and hardware acceleration processing is achieved.

The invention discloses a piezoelectric energy acquisition circuit based on a parallel synchronous switch inductor, which comprises n piezoelectric transducers, n rectification circuits, n peak detection modules, an inductor, a first diode and an energy storage capacitor, and is characterized in that each piezoelectric transducer acquires vibration energy, converts the vibration energy into alternating voltage and outputs the alternating voltage; each rectifying circuit rectifies alternating current voltage into direct current voltage to be output, the first diode prevents load current from flowing back, the energy storage capacitor is used for storing electric energy and supplying power to a load, and a one-way conduction circuit, a switching circuit and a detection device are arranged in each peak value detection module; the detection device of each peak detection module can be connected in parallel with the inductor through the switching circuit of the detection device; the piezoelectric transducer has the advantages that only the positive half-cycle peak value of the output voltage of the piezoelectric transducer needs to be detected, the number of components needed by the peak value detection module is small, the overall circuit size is reduced, the cost is reduced, inductors can be shared at the same time during expansion, a time division multiplexing mode does not need to be adopted, and the expansion performance is high.

The utility model provides a micro electric energy collection circuit. The rectification unit is responsible for converting the alternating current output of the piezoelectric collector into a pulsating direct current signal; the synchronous charge extraction unit comprises a self-powered peak detection circuit and a synchronous switch controller and is responsible for efficiently transferring charges from a piezoelectric element to an electric quantity extraction inductor; the secondary electric energy storage unit comprises a primary electric energy storage device, a detection switch, a charging circuit, a secondary electric energy storage device and a voltage stabilization output circuit, input and output of each functional module are sequentially connected in series, and electric energy flows in a one-way mode; the absorption circuit is responsible for absorbing the electric energy in the inductor extracted by the circuit and effectively storing and stably outputting the electric energy; all the functional units are sequentially connected in series, and electric energy flows from the rectifying unit to the voltage stabilizing output circuit of the secondary storage unit in a one-way mode. The input end of the rectification unit is connected with the output end of the micro-electric energy collector, and the output end of the secondary storage unit is connected with the low-power-consumption internet-of-things sensor load. According to the utility model, intermittent weak AC electric signal energy from piezoelectric elements can be efficiently captured, and the intermittent weak AC electric signal energy can be adjusted to a stable output voltage of the Internet of Things sensor through secondary storage.

This invention relates to a non-contact, low-temperature, intermittent heat exchange pulsed-dynamic electrolytic machining apparatus and method, belonging to the field of electrolytic machining. The apparatus consists of a blade workpiece, a cathode plate, a cathode holder, and an insulating sleeve. The cathode plate undergoes high-frequency reciprocating vibration during radial feeding, coordinated with the synchronous switching of a pulse power supply, to achieve pulsed-dynamic electrolytic machining. In this pulsed-dynamic electrolytic machining method, the cooling medium flows into the insulating sleeve from the inlet of the cooling channel, flows through the cooling channel, and then flows out from the outlet of the cooling channel, reducing the temperature inside the insulating cavity. As the blade is shaped and enters the insulating cavity, the cooling medium undergoes convective intermittent heat exchange with the stray electrolyte within the cooling channel, reducing the temperature and conductivity of the stray electrolyte, and even freezing the stray electrolyte, creating a low-temperature environment around the shaped blade and inhibiting the electrolytic reaction in the stray corrosion zone. Pulsed-dynamic machining promotes the removal of electrolytic products and heat, further improving machining accuracy and surface quality.

The utility model discloses an identification friend or foe signal lamp and an identification friend or foe system, a main control board in the identification friend or foe signal lamp is provided with a wireless communication module, a shell is provided with a master-slave dial key and a mode key, and the identification friend or foe signal lamp can be configured as a host or a slave when the master-slave dial key is located at a host gear or a slave gear. The host is used for transmitting a light signal selected by the mode key to each slave through the wireless communication module so as to switch the light signals of the LED indicating lamps on the host and the slave, so that the light signals of the LED indicating lamps on the host and the slave are switched in group simulation confrontation activities; each team member in a team can set the host and the slave through the master-slave dial key on the worn identification friend or foe signal lamp, so that the team member wearing the host can select a light signal through the mode key and then control each slave to switch the light signal through the wireless communication module. The team members in the whole team can realize synchronous switching of light signals identified by friend or foe, and the team can conveniently carry out tactical adjustment.

The invention relates to the field of digital circuit design, and provides a method for optimizing noise influence of a synchronous switch in an IBIS model. When a traditional IBIS model measures pull-up / pull-down characteristics, it is assumed that a power supply and ground potential are constant, voltage fluctuation actually caused by a synchronous switch is ignored, and the simulation precision of a high-speed interface is reduced. By collecting current response data of a pull-up circuit and a pull-down circuit of the buffer under different power supply / ground fluctuations, pull-up and pull-down power supply modulation coefficients are calculated respectively, and the influence of power supply voltage disturbance on output current is represented. In the simulation stage, the output current in the IBIS model is dynamically modulated according to the power supply and ground potential change caused by the real-time SSN, so that the simulation is closer to the real chip behavior. The method does not need to modify a model structure, is compatible with an existing process, remarkably improves the accuracy of high-speed signal integrity analysis, is suitable for design verification of DDR, PCIe and other high-density parallel interfaces, and effectively supports the system-level power supply and signal co-simulation requirements.

The invention discloses a machining tool for a high-stability composite hub, and relates to the technical field of machine tool machining. Comprising a bed body, the bed body is connected with an installation top through a multi-axis linkage mechanism, an installation bottom plate is fixed to the bottom of the installation top, a plurality of second sliding grooves are formed in the upper end of the installation bottom plate, a fixing column is installed in the middle of the upper end of the installation bottom plate, and a first gear is connected into a groove in the outer end of the fixing column through a motor; the outer end of the first gear is connected with a first inner gear ring in a meshed mode, the lower end of the first inner gear ring is connected with an adjusting plate, the multiple drill bits are arranged through cooperation of the installation bottom plate, the adjusting plate and the installation sliding block, and the corresponding positions of the multiple drill bits can be synchronously adjusted according to the punching positions of hub bolt holes of different specifications. And the adjusting assembly is arranged to be matched with the oil liquid assembly, and when the bolt hole is polished, synchronous switching and position adjusting of the multiple drill bits and the polishing head are rapidly conducted.

The embodiment of the present disclosure provides a memory synchronous switching noise test method and test device, the test method comprises: determining one data input and output terminal of the memory as a first data terminal, and the rest data input and output terminals as second data terminals, and determining the transmission frequency of the first data terminal as a first frequency, and the transmission frequency of the second data terminals as a second frequency; wherein the first frequency is higher than the second frequency; writing first preset data to the first data terminal, and writing second preset data to the second data terminal; reading the written first preset data from the first data terminal; determining whether the memory has synchronous switching noise according to the frequency spectrum information corresponding to the data read from the first data terminal. The embodiment of the present disclosure distinguishes the transmission frequencies of the first data terminal and the second data terminals, and determines whether the memory has synchronous switching noise according to the frequency spectrum information in the data reading and writing process.

The present invention discloses an integrated multi-way synchronous switching valve and a switching method. The integrated multi-way synchronous switching valve includes a multi-way synchronous valve body, a multi-way synchronous valve spool, a driving piston cylinder, a driving piston, and a driving air source. The multi-way synchronous valve body is provided with multiple groups of large cylindrical through holes of the same diameter, symmetrically distributed along the length and width directions. The driving piston cylinder is symmetrically provided with multiple large cylindrical blind holes along the center line of the length direction. The driving piston cylinder has two small cylindrical through holes at the center line of the width direction, corresponding to the positions of the two small cylindrical through holes of the multi-way synchronous valve body, forming a gas passage. The driving piston moves within the large cylindrical blind holes of the driving piston cylinder under the driving pressure provided by the driving air source, pushing the multi-way synchronous valve spool to move within the multi-way synchronous valve body, thereby switching the multi-way synchronous switching valve between two working positions. The present invention can realize the multi-way synchronous switching function, is compact, and has high execution reliability.

The present application relates to the field of oil and gas well downhole operation, disclose a kind of multiple pressure test mechanical slide rail type toe end sliding sleeve, including static locking mechanism is located in outer sleeve, the center guide cylinder of cooperation outer sleeve is used to form static reverse push test switching structure;Pressure test counting mechanism is located in static locking mechanism, cooperation static casing, embedded static cylinder, unlocking guide groove and reset snap spring two for forming rotatable multiple test switching structure;Sealing push mechanism is located in outer sleeve, cooperation center guide cylinder of outer sleeve and static casing is used to constitute pressure receiving structure when pressure test and work;Synchronous switching mechanism is located in outer sleeve, cooperation push ring, rotating sleeve, trapezoidal guide strip, linkage tooth edge cylinder Tapered tooth key and anti-rotation guide strip is used to form multiple pressure test limit switching structure. Through pressure conversion, multiple pressure test and final fracturing opening are completed, which greatly reduces the fault risk of downhole operation.

The invention provides a multi-source collaborative coal mine emergency power supply scheduling optimization method based on a super capacitor, and relates to the technical field of coal mine safe power supply, and the method comprises the steps: obtaining real-time operation parameters of a power supply system, constructing a node state feature matrix, decomposing and extracting dynamic features, constructing a node priority system, generating a power supply path score, and carrying out the global optimization. And determining an equipment switching strategy and a synchronous switching method, and establishing a super-capacitor transition state power supply mechanism. Rapid and reliable switching of the coal mine power supply system is realized, the power supply continuity is guaranteed, and the emergency response capability is improved.

A range automatic switching control system and method of a flow calibration device, the system comprising a multi-stage sensor array connected in parallel and partially overlapping in range, a high-speed switching valve group for controlling the on-off of each flow path, a signal acquisition unit, and a central control unit. The central control unit intelligently judges and executes the range switching instruction according to the acquired instantaneous flow, flow calibration range, fluid temperature, and pipeline pressure, etc. characteristic parameters, and realizes undisturbed range switching through pre-charge pressure and rapid synchronous switching. The present application realizes full-automatic undisturbed range switching in the flow calibration process. The system always selects the optimal range sensor, maintaining high resolution and high accuracy within the full flow range. Through pre-charge pressure and millisecond-level rapid switching, it ensures that the flow fluctuation is less than 0.1%, and the calibration process is continuous and uninterrupted. The intelligent decision mechanism can actively predict and avoid the risk of over-range, effectively protecting the sensor, and greatly improving the calibration efficiency, data reliability, and equipment safety.

The utility model relates to the technical field of double-layer rotating shaft doors, in particular to a double-layer rotating shaft door convenient to push and position. According to the technical scheme, two sets of door bodies are symmetrically arranged in the door frame, each set of door body comprises an outer door plate and an inner door plate, switch assemblies are arranged in the outer door plates and the inner door plates, a synchronous assembly is arranged on one sides of the outer door plates, positioning blocks are arranged below each set of outer door plates, and pulleys are arranged at the positions, close to the positioning blocks, below the outer door plates. According to the utility model, the switch assemblies arranged in the outer door plate and the inner door plate can be respectively opened and closed with the outer door plate and the inner door plate, and the outer door plate and the inner door plate can be in a connected state through the synchronous assembly, so that the outer door plate and the inner door plate can be synchronously opened and closed; and meanwhile, the positioning block is matched with the strong spring, so that the door body can be positioned, the friction between the door body and the door frame can be greatly reduced through the matched arrangement of the pulley, and an operator can conveniently and rapidly open and close the door body.

The invention relates to a welding fixture for an automatic welding robot, and belongs to the technical field of welding fixtures, the welding fixture comprises a fixture main body, a multi-axis mechanical arm is arranged on the outer wall of the fixture main body, a welding gun is arranged at one end of the multi-axis mechanical arm, and a fixing frame is fixedly connected to the outer wall of the fixture main body. An intermittent disc and a switching rod are arranged, so that when a welding clamp assists a robot in welding machining, the clamping stability of a clamping rod adapting to to-be-welded objects in different shapes is improved, the complexity caused by frequent disassembly and assembly of the clamping rod is prevented, and the effect of synchronous switching welding of multiple sets of objects is improved; when the clamping rods in different shapes need to be adjusted and used, the rotating block and the rotating rod rotate and drive the fixing column to intermittently slide along the inner wall of the limiting groove, meanwhile, the intermittent disc is driven to intermittently rotate, and under connection of the connecting shaft, the effect that the switching rod conducts synchronous switching adjustment movement is achieved.

The application relates to the technical field of radio frequency switches, in particular to a single-pole double-throw type load radio frequency switch connecting rod transmission synchronous switching structure which comprises a fixed base, a first channel switching plate and a second channel switching plate, conductor spring sheets arranged below the two ends of the first channel switching plate and the second channel switching plate, conductor spring sheets penetrating through the base and riveted with spring top rods, an electromagnetic coil and a coil iron core, the electromagnetic coil and the coil iron core being arranged above the two ends of the second channel switching plate, and the coil iron core being arranged on the inner side of the electromagnetic coil. The application adopts a center connecting rod to connect two groups of symmetrical channel switching plates, has small changes, a compact structure and optimized internal space, cancels a group of channel switching electromagnetic coils and other electromagnetic components, reduces assembly time, improves efficiency, reduces heating components after electrification such as electromagnetic coils, generates less heat in the switch, reduces the failure rate, the structure reduces part of components, and can reduce material and processing costs.

The invention discloses a transmitting and receiving synchronous switching method and system based on an optical circulator. According to the invention, by acquiring the spatial position coordinates of the MEMS optical switch and the optical circulator control unit and calculating the length of the electric signal transmission path, the accurate and synchronous adjustment of the trigger time is realized, the influence of environmental factors on the transmission path is eliminated in combination with a temperature compensation mechanism, and the accuracy of a time delay compensation value is ensured; a multi-dimensional state space infrastructure and a grading judgment mechanism are established, and regional division and grading strategy formulation can be performed by integrating multi-dimensional states such as optical power, temperature, electromagnetic interference and switching success rate, so that the system can dynamically adjust a switching strategy according to a real-time operation state; the problem of delay jitter caused by electromagnetic interference of master-slave triggering in a traditional synchronization method is avoided, the problem of high switching failure rate caused by switching speed difference and control time sequence difference of the optical circulator and the MEMS optical switch is effectively solved, fine control over the switching process is achieved, and the adaptability and reliability of the system under different environment conditions are improved.

The utility model discloses an integrated landscape water treatment device, and particularly relates to the technical field of landscape water treatment, the integrated landscape water treatment device comprises a landscape treatment pipe, a shunt pipe and a lower row main pipe, the shunt pipe is fixedly communicated with the bottom end of the landscape treatment pipe, the lower row main pipe is fixedly communicated with the bottom end of the outer wall of the shunt pipe, and the outer wall of the lower row main pipe is provided with a synchronous switching treatment assembly; the synchronous switching processing assembly comprises a sealing bottom pad arranged on the outer wall of the lower row main pipe in a sliding mode, the lower surface of the sealing bottom pad is fixedly connected with an extrusion block, and one side of the extrusion block is fixedly connected with a linkage frame. The synchronous switching treatment assembly is adopted, the electric cylinder pushes the linkage block to move leftwards, the linkage supporting block drives the sealing gasket to move leftwards, and the lower drainage main pipe is closed, so that water in the flow dividing pipe is filtered along the auxiliary filter element in the lower drainage side pipe, and the lower drainage side pipe and the lower drainage main pipe can be subjected to bidirectional rapid switching treatment.

Disclosed are a method and apparatus for synchronous switching of multiple-input demodulation comparators. The method includes receiving line signals by a plurality of combined multiple-input comparator demodulation circuits, each combined multiple-input comparator demodulation circuit receiving the line signals according to a corresponding input arrangement related to a corresponding subchannel vector of a plurality of mutually orthogonal subchannel vectors, the line signals including a superposition of a set of baseband symbols and a set of carrier-modulated symbols; generating a set of baseband subchannel outputs by combining the set of line signals according to the corresponding input arrangement; obtaining a phase-adjusted demodulation signal related to the set of carrier-modulated symbols; and generating a set of demodulated subchannel outputs by combining the set of line signals according to the corresponding input arrangement and according to the phase-adjusted demodulation signal, the phase-adjusted demodulation signal configured to constructively combine a first half cycle and a second half cycle of the carrier-modulated signals and destructively cancel the set of baseband symbols.

The invention provides a box-type equipment two-side synchronous cover opening and closing electric control system. A universal controller is arranged in the control box, the control box is arranged in a working area in the box-type equipment, the box-type equipment is divided into two sections of box bodies which are integrally formed by a standardized container, one section is the working area in which the control box is arranged, and the other section is of a structure that a top wall and a side wall are respectively provided with a left side cover and a right side cover, the left side wall and the left side of the top wall form a left box cover; the right side wall and the right side of the top wall form a right box cover; a left box cover motor drives the push rod to move so as to drive the left box cover to open and close leftwards, a right box cover motor drives the push rod to move so as to drive the right box cover to open and close rightwards, and the working areas are located at the ends of the left box cover and the right box cover. Based on the left and right uncovering structure of the standardized container, the two sides of the box-type equipment can be opened and closed synchronously in a motor-driven two-side uncovering mode, the reliability of the system is improved, and meanwhile the cost is reduced.