48results about How to "To achieve synchronous work" patented technology

The invention provides a method and a device thereof for synchronically testing the performance of a cluster parallel file system. The synchronic test cluster parallel file system comprises a plurality of testers. The method comprises the following steps that: each tester in the cluster parallel file system maintains a message which is used for indicating the test execution situation in a shared directory of the cluster parallel file system; and after the tester executes one item of test, the message in the shared directory for indicating the test execution situation of other testers is firstly detected, and the next item of test is executed after detecting that all testers complete the item of the test. The method can simply and conveniently realize the synchronic work of the performance test of clusters with substantial quantity.

The invention discloses a novel winding method and a novel winding machine. The novel winding method includes threading a wire through the center of a flying fork shaft, feeding the head of the wire to a take-up bobbin via a flying fork by the aid of a wire trimming and feeding device, and storing a part of the wire in the take-up bobbin; enabling a spindle motor to drive a right spindle to synchronously wind the wire, synchronously feeding the wire by the aid of the take-up bobbin, winding the wire by the aid of the flying fork shaft and the right spindle in the same other direction at the speed which is the double of the wire winding speed of the right spindle until a coil is formed by the wire by means of winding; trimming the wire at the flying fork by the aid of the wire trimming and feeding device, feeding the wire to the take-up bobbin to store the wire, starting the manufacture a next product and automatically repeatedly carrying out the same procedure. The length of the part, which is stored in the take-up bobbin, of the wire meets requirements of winding in the direction of the take-up bobbin. According to the scheme, the novel winding method and the novel winding machine have the advantages that the wire can be wound in the two directions, synchronous work can be accurately implemented, the novel winding machine is simple in structure and convenient to implement and operate, and the bidirectional winding efficiency can be effectively improved; the novel winding method and the novel winding machine bring great convenience for the industry.

The invention discloses a universal computer simulation testing platform based on a CPCI bus. According to the universal computer simulation testing platform based on the CPCI bus, time is unified, expansion is convenient, and the universality is high. The universal computer simulation testing platform based on the CPCI bus comprises a CPCI bus chassis, expansion boards, a CPU module and a PKIO module, wherein the CPU module and the PKIO module are arranged in the CPCI bus chassis and connected with the CPCI bus. A secondary bus which meets the H.110 standard is formed on the CPCI bus chassis by means of expansion through an arranged J4 slot. Each extension board is connected with the CPCI bus and the secondary bus. The CPU module controls the expansion boards and the PKIO module through the CPCI bus. The PKIO module is connected with the secondary bus and is used for providing unified time mark signals for the expansion boards through the secondary bus. The time mark signals are generated through the PKIO module, synchronous clock signals are transmitted through the secondary bus, shunting transmission of control instructions and time signals is established, synchronous control over the expansion boards is achieved, and real-time simulation of a tested object is completed.

The invention discloses an automatic calibration test method and system for data acquisition equipment, and belongs to the technical field of automatic calibration test of the data acquisition equipment. The technical problem to be solved is to provide an automatic calibration test method of data acquisition equipment and an improvement of a system structure. The technical scheme adopted to solvethe technical problem is as follows: testing the static impedance of a to-be-tested equipment channel: measuring the static resistance of each transmission channel on the premise that a data acquisition device does not add any signal, and generating a resistance test report; during testing, controlling the test computer to send instrument control signals to the digital multimeter and the switch matrix module; controlling the switch matrix module to switch on and off the loop, realizing one-to-one gating of the digital multimeter and the to-be-tested channel of the data acquisition device, completing a static impedance test of the to-be-tested channel, then performing automatic calibration and precision detection on the to-be-tested equipment channel, and finally performing playback analysis on calibration test data. The method is applied to data acquisition equipment.

The invention discloses a method and a system for performing uniform control on a plurality of pieces of intelligent equipment and equipment. The method comprises the followings steps: receiving a control instruction for performing uniform control on the plurality of pieces of intelligent equipment, wherein the control instruction includes identification information of the plurality of pieces of intelligent equipment needing to be controlled; acquiring signal-to-noise parameters of the plurality of pieces of intelligent equipment according to the identification information; calculating time differences among the plurality of pieces of intelligent equipment according to the signal-to-noise parameters of the plurality of pieces of intelligent equipment; generating a uniform control strategy for the plurality of pieces of intelligent equipment according to the time differences; and controlling the plurality of pieces of intelligent equipment according to the uniform control strategy. Through adoption of the method and the system, synchronous work of the plurality of pieces of intelligent equipment can be realized.

The invention relates to a wireless self-organized network synchronization method. The wireless self-organized network synchronization method comprises the following steps: (1), distributing a time sequence number; (2), calculating the reference offset time of the origin of a current reference time system of relative mobile nodes, and sending a polling signal according to the corresponding current reference offset time; (3), analyzing after receiving the polling signal; (4), solving time sequence offset test values and reference time deviation values of all adjacent mobile nodes; (5), obtaining a correction value of the reference time system; (6), multiplying by an adjustment coefficient to obtain an adjustment value of the origin of the reference time system; (7), delaying by one polling period and the adjustment value on the origin of the reference time system in the current period so as to obtain a new origin of the reference time system; and (8), performing the step (2). According to the invention, the technical problem that the self-healing capability of the synchronization method among the various mobile nodes in the current MANET is poor is solved; and, by adopting the method disclosed by the invention, synchronization works of the various mobile nodes in the MANET network can be realized without a central site and a GPS signal.

The invention discloses a safety detection device for medical articles. The safety detection device comprises a mounting box, a mounting rod, a rotary disc, a first fixing rod, a first transmission wheel, a driving transmission wheel, a second transmission wheel and a second fixing rod, wherein a rotating groove is formed in the top of the mounting box, the rotary disc is arranged in the rotating groove, and the rotary disc is rotatably connected in the rotating groove; a rotating block is fixed to the bottom of the rotary disc and slidably connected into the rotating groove, and fixing blocks are fixed to the outer side of the rotating block at equal angles; and a driving motor is mounted in the mounting box. According to the device, through the arrangement of a placement plate, a detected object is adjusted, and the object is automatically lifted up after detection, so that the height of the object in a mounting groove is changed, an operator can conveniently and quickly take out the object after object detection, the time consumed for taking out the object is saved, the working efficiency is improved, meanwhile, damage to a detection head due to the fact that the object is too close to the detection head can be prevented, and safety is improved.

The invention discloses a hydraulic folding and drawing type inner die device which structurally comprises a shell and an inner die device body mounted in an inner cavity of the shell and mechanical connected with the inner wall of the shell. Adjustability of height and width of the inner die device is realized under joint action of a folding device, a height adjusting device and a width adjustingdevice, and size of an inner die can be adjusted according to actual size needs of a die to adapt to production needs.

The invention relates to the field of cell production equipment, and discloses a conveying mechanism which comprises a grading conveying device, a curve guiding device, a linear guiding device, a conveying belt tensioning device, a conveying belt carrying device, multiple vertical and horizontal sensor groups and multiple fixed-point detection sensor groups. The grading conveying device comprisesa clutch drive assembly and multiple grading conveying belts; the clutch drive assembly is connected with the multiple grading conveying belts and is used for clutch-driving the multiple grading conveying belts; the curve guiding device comprises a curve guiding rack and multiple first magnet blocks; the curve guiding rack is provided with multiple curve material channels; the multiple curve material channels are used for cell curves with different grades to pass through; the multiple first magnet blocks are arranged on the side surfaces of the multiple curve material channels in a one-to-onecorrespondence way; and the multiple grading conveying belts are arranged under the multiple curve material channels in a one-to-one correspondence way. The conveying mechanism can be used for automatically conveying cells in a grading mode, and the cells on the conveying mechanism are not prone to tilting.

The invention relates to the technical field of high-speed photography, and in particular relates to a control device and method based on synchronous working of two rotating mirror type ultrahigh-speed cameras. The control device and method aim at solving the problems in the prior art, and acquiring the state characteristics of different positions and different development stages of the same high-speed process. According to the control device based on the synchronous operation of the two rotating mirror type ultrahigh-speed cameras, requirements of high-speed process tests in weapon research can be met. The control device comprises a processor, two paths of camera rotating mirror circuits, two paths of electromagnetic shutter circuits and other auxiliary circuits. The control device and the control method are applied to the field of technical application of rotating mirror type ultrahigh-speed photography.

The invention provides a millimeter wave processing device, which is used for processing an emission signal emitted to an object to be scanned and processing an echo signal reflected back from the object to be scanned, and comprises a millimeter wave local oscillation signal generation module, a transmitting module and a transmitting module. The millimeter wave local oscillator signal generation module comprises a millimeter wave frequency source used for generating a first millimeter wave local oscillator signal; and a time delay unit used for carrying out time delay processing on the first millimeter wave local oscillator signal generated by the millimeter wave frequency source so as to generate a second millimeter wave local oscillator signal. The transmitting module mixes a predetermined baseband signal with a first millimeter wave local oscillator signal generated by a millimeter wave frequency source so as to convert the predetermined baseband signal into the transmitting signalto be transmitted. And the transmitting module mixes the second millimeter wave local oscillator signal generated by the time delay unit with the echo signal received by the receiving module so as toconvert the echo signal into a to-be-processed intermediate frequency signal.

The invention provides a mechanical gas reversing device for a multi-stage injection system, which comprises a shell and at least two hydrogen injection units inserted into the shell, and a plurality of hydrogen inlets respectively butted with the hydrogen injection units are formed in the side wall of the shell; ejectors distributed corresponding to the hydrogen spraying units are arranged in the shell. The other ends of the different ejectors are communicated with the same buffer area, and meanwhile the shell is provided with a gas outlet for leading out gas in the buffer area. A circulation gas inlet is formed in the side wall of the shell, and the section, extending into the shell, of the circulation gas inlet is communicated with the multiple ejectors through flow guide channels. According to the hydrogen spraying system, the defects in the prior art are overcome, the design is reasonable, the structure is compact, the one-way valves are additionally arranged in the multiple hydrogen spraying units, independent interference-free work of the multiple hydrogen spraying units can be achieved, meanwhile, synchronous work of the multiple hydrogen spraying units can be achieved, the work efficiency of the whole system is improved, and high practicability is achieved.

The invention relates to a cascade-stage-type electron beam diode. The diode comprises an electron beam diode body and one or more suspension electrode which is coaxially arranged between an anode of the diode and a cathode of the diode at intervals, and the suspension electrode is supported through a supporting device; the supporting device comprises a supporting needle, a shell, a spring, an iron core and an electromagnetic coil, the electromagnetic coil is installed outside the cylinder wall of the shell, the spring is installed in the shell, the iron core is arranged at the front end of the spring, a through hole is formed in the center of the iron core, and the iron core and the supporting needle are fixed into a whole; the supporting needle can move forwards and backwards under the action of electromagnetic force generated by the electromagnetic coil and the action of the spring to fix or loosen the suspension electrode. The diode achieves cascade-stage work of the multi-gap diode and can generate pulse X-ray sources low in energy spectrum.

The invention discloses a motor stator and rotor high-efficiency punching sheet processing device and method, relates to the technical field of motor rotor punching sheet processing, and provides the following scheme aiming at the problem of poor production in the prior art: the motor stator and rotor high-efficiency punching sheet processing device comprises a chassis, and the upper side of the chassis is fixedly connected with a support frame; the output end of the motor is fixedly connected with a gearbox, the output end of the gearbox is connected with a rotating shaft rotationally connected with the supporting frame, and the outer wall of the rotating shaft is fixedly sleeved with a cam; the stabilizing rod is fixedly connected to the chassis, and one side of the stabilizing rod is fixedly connected with an executing mechanism matched with the cam; the first material collecting box is located below the executing mechanisms and fixedly connected with the chassis, and a second material collecting box fixedly connected with the chassis is arranged on one side of the first material collecting box. The device is simple in structure and convenient to use, the size of the whole working device can be reduced, meanwhile, synchronous work of the multiple layers of executing mechanisms can be achieved when necessary, the production efficiency is improved, and the production cost is reduced. Meanwhile, the occupied field is saved.

The invention relates to a sewing machine presser foot device comprising a presser foot column rotationally arranged on the upper end of a machine base of the sewing machine. The presser foot column and a sewing part of the sewing machine are arranged on the same side and are far away from an operator; the top of the machine base is further provided with a driving mechanism driving the presser foot column to synchronously rotate with the sewing part; and the surface of the presser foot column is tangent to the surface of the machine base surface. During the use, a piece of cloth being sewed is pressed between the presser foot column and the machine base top, so a moving direction of the sewed cloth can be limited and the sewed cloth can be prevented from falling off the surface of the sewing base surface; and rotation of the cloth to be sewed can be avoided, so sewing effect can be ensured.

The present invention provides a distributed wireless signal transmitter remote control device and control method, including a control device arranged at each wireless signal transmitter, the control device includes a wireless transceiver circuit connected to the terminal for issuing instructions, and the wireless transceiver circuit It is connected with the controller, and the controller is also connected with a GPS/Beidou timing module, a serial communication module, and a power supply module, and the serial communication module is connected with a wireless signal transmitter. The command issuing terminal sends the control command; the controller analyzes the control command obtained through the wireless transceiver circuit, and obtains the control information of the wireless signal transmitter in the control command; injects the control information into the wireless signal transmitter through the serial port module; the controller according to Analyze the working time of the wireless signal transmitter, and control the signal transmission and stop of the wireless signal transmitter through the serial port module. The invention realizes the remote control and synchronous work of the distributed wireless signal transmitter, and improves the working efficiency of the distributed wireless signal system.

The invention discloses automatic pressure tank body welding equipment, and relates to the technical field of pressure tank production. The automatic pressure tank body welding equipment comprises a welding workbench, a feeding table, a limiting frame, a discharging frame and a material rolling roller, the material rolling roller is installed between the limiting frame and the discharging frame, a feeding roller is installed between the welding workbench and the feeding table, and the feeding roller is in contact fit with the material rolling roller. According to the automatic pressure tank body welding equipment, the welding workbench, the feeding table and a material rolling set are combined into a whole, and the two working procedures of material rolling and welding are directly and tightly combined, wherein the material rolling roller and the feeding roller are arranged, and a material rolling motor is used for driving the material rolling roller to be in contact with the feeding roller so as to be in mutual rotation fit, so that synchronous work of feeding and material rolling is achieved; and an upper beam and a lower beam of the welding workbench are both provided with screw shafts and welding guns, the two screw shafts rotate synchronously, it can be guaranteed that the two welding guns conduct welding from the two sides of a steel plate at the same time, and the stability of welding work is guaranteed.

The invention discloses a workpiece transfer device for machining, and relates to the technical field of machining. The workpiece transfer device comprises a transfer table, a conveying device, a pushing device, a transverse plate, a first U-shaped frame, a second U-shaped frame, a first rectangular sliding rail, a first strip-shaped sliding rail, a first sliding block and a driving device. The conveying device is used for conveying workpieces to the transfer table. The pushing device is used for pushing the workpieces on the transfer table. The transverse plate is arranged at the bottom of the transfer table. Deflector rods are arranged in the first U-shaped frame at equal intervals, and the first U-shaped frame is located above the transfer table. The second U-shaped frame is arranged at the side of the first U-shaped frame. The first rectangular sliding rail is arranged above the transverse plate. The first strip-shaped sliding rail is located above the first rectangular sliding rail. The first sliding block is slidably arranged in the first strip-shaped sliding rail, one end of the first sliding block is connected with the bottom of the second U-shaped frame, and the other end of the first sliding block is slidably connected in the first rectangular sliding rail. The driving device is arranged at the bottom of a first rotating shaft, and the first rotating shaft is fixedly connected with one end of the first sliding block. The workpiece transfer device can solve the problem of relative displacement of a conveyor belt in the transfer process in the prior art, and is simple in structure and easy to popularize.

The invention discloses a low-power consumption bidirectional real-time wireless sensing method. The low-power consumption bidirectional real-time wireless sensing method includes a plurality of sampling periods, and the sampling period includes that a CMD starts a wireless receiving module at the time T1 according to a set sampling time parameter; after passing the time delay of which the length is TD, a WDAU is started to enter a measuring state; after the WDAU finishes measuring, the WDAU enters a wireless receiving/transmitting state at the time T2+TSM; the WDAU immediately turns off the wireless module to enter a low-power consumption dormant state after finishing communicating with the CMD; the CMD turns off the wireless module to enter the low-power consumption dormant state after finishing communicating with the WDAU and passing the time delay of which the length is TD. The low-power consumption bidirectional real-time wireless sensing method realizes the synchronous work of the WDAU and CMD, and accordingly both the WDAU and CMD can locate at the low-power consumption dormant state at ordinary times; the low-power consumption bidirectional real-time wireless sensing method increases a plurality of timed receiving time slots for the WDAU in the measuring gap, and the bidirectional wireless communication is realized based on guaranteeing the low power consumption of the WDAU.

The invention discloses a household clock convenient to overhaul and a use method thereof, and belongs to the technical field of clocks. A household clock convenient to overhaul comprises a base, the top of the base is rotationally connected with a rotating seat, the outer wall of the rotating seat is connected with a fixing frame, the inner wall of the fixing frame is connected with a clock body, the inner wall of the rotating seat is connected with a first vertical plate and a second vertical plate, the outer wall of the second vertical plate is connected with a supporting plate, and the outer wall of the supporting plate is connected with a motor; one end, far away from the motor, of the rotating shaft penetrates through the second vertical plate and is connected with a rotating shaft; the clock main body is quickly disassembled through the fixing mechanism, the maintenance difficulty of the clock is reduced, maintenance personnel can conveniently overhaul the clock, a main bevel gear and an auxiliary bevel gear are meshed with each other, a rotating seat rotates on a base, then the clock main body rotates circumferentially, multiple clocks do not need to be installed, and people around can watch the time of the clock, so that the installation cost is reduced, and the practicability is improved.