60results about How to "Realize real-time switching" patented technology

The invention discloses a drilling device for a steel structure, which comprises a machine body. Both sides above the inner wall of the machine body are provided with organic casings. One motor, the output shafts of the two first motors are fixedly sleeved with driving wheels, the inner chambers of the two casings are provided with driven wheels, and belts are movably connected between the two driving wheels and the driven wheels, and the two belts Both of them are fixedly connected with fixed blocks, and the two fixed blocks are slidably connected to the inner wall of the through groove, and a support frame is fixedly connected between the two fixed blocks, and the left side of the top of the support frame is provided with a first cylinder. The invention solves the problem that the drill cannot be displaced laterally by adding a device for lateral movement to the drill, and achieves the purpose of the clamp device being able to move forward and backward by setting the turntable and the screw rod, and solves the problem that the existing steel structure drilling cannot be clamped at one time Problem with drilling multiple times.

The invention discloses a multi-copy storage method and a multi-copy storage system for a distributed database system, and belongs to the field of computer software. The multi-copy storage system comprises a main Master node, a standby Master node, a plurality of storage nodes and a connection network. The multi-copy storage method includes steps of 1, storing data in different data pieces; 2, only allowing a user to operate the data in a primary version, and enabling the multi-copy storage system to synchronize change of the data to various copies in real time and guarantee the atomicity; 3, enabling the multi-copy storage system to detect survival conditions of the nodes via synchronous heartbeat detection, and enabling a main Master host to instantly select an available copy to replace the primary version when a certain storage node of the data in the primary version dies; 4, enabling the multi-copy storage system to carry out detection and repair operation for the storage copies regularly, and migrating the data pieces with excessively low quantities of copies to other available storage nodes by means of local storage migration. A main storage model and a standby storage model are adopted for each data piece, and the copies are of completely identical logical structures and are distributed on different physical storage nodes. The multi-copy storage method and the multi-copy storage system have the advantages that the integrity and the availability of the data are protected against the death of optional nodes of the system.

The invention discloses an energy-saving heat-dissipating motor, which comprises a motor casing, on which a rotor is interspersed, one side of the motor casing is fixedly connected with a ventilation sleeve, and the rotor is sleeved with a Two first driving wheels, the first driving wheel is connected to the first driven wheel through the first belt, the first driven wheel is sleeved with a rotating rod, and one end of the two rotating rods respectively passes through the motor housing On the upper and lower sides and extending into the ventilation sleeve, three ventilation openings are opened at equal distances on the top and bottom of the motor casing. In the present invention, through the improvement of the first fan blade, the rotor cooperates with the use of the driving bevel gear and the driven bevel gear to drive the first fan blade to rotate, so that the kinetic energy of the motor itself can be used to dissipate heat, and the effect of energy saving and heat dissipation can be achieved. The second driving wheel and the second driven wheel drive the movable rod to rotate, so that the second fan blade on the movable rod will rotate accordingly.

The invention relates to a control method of a microgrid bidirectional converter based on a virtual synchronous machine and stability analysis thereof. An integrator is added in a damping link of a rotor motion equation, and an angular frequency deviation value is fed back and compensated, so that the error-free control of alternating current subnet frequency in a microgrid off-grid mode is achieved. In consideration of the bidirectional transmission characteristic of the converter, a control target is switched into a direct-current voltage from an alternating-current frequency in real time bychanging a virtual mechanical active power reference value given mode, and stable control of direct-current bus voltage is achieved. By establishing a power inner ring and a voltage / frequency outer ring small signal model, transfer functions of the converter in a frequency control mode and a direct current voltage control mode are respectively solved, and stability analysis is performed. The control method of the microgrid bidirectional converter based on a virtual synchronous machine and the stability analysis thereof can well achieve the frequency error-free adjustment of the frequency andthe stable control of the direct current voltage under the off-grid mode.

The invention discloses an airborne system for mixing and displaying videos in real time. The airborne system comprises an instruction exchange area, a video conversion / decoding module, a frame storage device, a video controller and a power module. The invention relates to the field of video processing and is a specific airborne video real-time mixing technology and an image displaying system framework. The video controller is a core of the whole system and is in charge of communicating with an upper computer, configuring a decoding chip, amplifying video pictures, controlling the frame storage device, controlling input / output videos and driving display and the like. The airborne system disclosed by the invention has the advantages that the video decoding chip can be automatically configured, the dynamic switching of multi-path background video input and real-time amplification of background video pictures are realized, and the inputted foreground and background are mixed and displayed according to parameters provided by the upper computer. Compared with the prior art, the airborne system disclosed by the invention has the characteristics of high real-time performance, small volume, low power consumption, high picture refreshing rate and good video mixing effect and the like.

The invention discloses a receiver system and receiving method with the cognitive function. A radio frequency front end module is connected with a digital circuit module through an analog-digital conversion module. A radio frequency preselecting filter with the tuned bandwidth and under digital control is introduced to the radio frequency front end so that mirror image and harmonic interference can be effectively avoided and control can be convenient. Meanwhile, spectrum sensing and cognitive user data receiving are combined into a whole, a feature detection algorithm based on cyclic prefix correlation is adopted, spectrum sensing and data receiving can be conducted at the same time, intervention of signals of a main user can be found in time, a silent period is avoided, and communication efficiency is improved. In addition, idle channels can be provided for cognitive users and the current idle channels are continuously monitored. Under the condition that a local oscillator is not changed, spectrum sensing is conducted on other channels in an XMHZ and spare channels are provided. When the main user occupies an authorized frequency band again, the idle channels can be dynamically and intelligently switched in real time.

The invention discloses a steel structure cutting device, which comprises a body, first storage boxes are arranged on both sides above the body, motors are provided in the inner cavities of the two first storage boxes, and the output shafts of the two motors are fixedly connected. There is a first gear, the inner sides of the two storage boxes are provided with first chute, the inner walls of the two first chute are slidably connected with the first tooth plate, the first gear and the first tooth plate are meshed with each other, and the two second chute A tooth plate is fixedly connected with a fixed frame on the side away from the first gear, the first motor is fixedly connected under the fixed frame, the output shaft of the first motor is fixedly connected with a cutter, and a fixture table is arranged directly below the cutter . The invention provides a steel structure cutting device, which has the advantage of adjusting the cutting depth, solves the problem that the existing steel structure cutting device cannot adjust the cutting depth, has the advantage of a moving fixture device, and solves the problem that the existing steel structure cutting device cannot be positioned cutting problem.

The invention provides an optical fiber laser coupler, comprising a laser input optical cable, a laser shaping and coupling device and a multi-beam-mode energy transferring optical fiber, wherein themulti-beam-mode energy transferring optical fiber comprises a circular fiber core and annular fiber cores, and each annular fiber core is coaxial with the circular fiber core; a fluorine-doped layer is arranged between the circular fiber core and the annular fiber cores, and the fluorine-doped layer is arranged between adjacent annular fiber cores; an adjustable collimating lens assembly and an adjustable focusing lens assembly of the laser shaping and coupling device can horizontally move along a direction of a laser beam in a shell of the laser shaping and coupling device; the laser shapingand coupling device is used for coupling a laser beam input by the laser input optical cable, inputting the laser beam into different fiber cores of the multi-beam-mode energy transferring optical fiber and acquiring output laser beams in different beam modes. The optical fiber laser coupler provided by the embodiment of the invention combines different fiber core structures of the multi-beam-modeenergy transferring optical fiber by virtue of the laser shaping and coupling device and can independently realize real-time switching between different beam modes.

The invention relates to a vehicle integrated data processing method capable of realizing real-time failure switching, which comprises the following steps: 1. building a system hardware platform; 2. electrifying the system; 3. determining a main control module; 4. establishing a periodic task; 5. determining whether the modules are normally self-checked; 6. starting the application task; 7. determining whether the modules have failure or receive manual control commands; executing the failure processing procedure; 9. executing switching command response; and 10. ending. The invention solves the technical problems that the existing vehicle integrated data processing system and method have low reliability, can not realize real-time switching during failure, and have complicated structure and large volume. Adopting a 1plus 1 backup method, the invention greatly enhances the reliability of the system, can realize the real-time switching of the modules and can ensure simple structure and small volume of the system.

The invention discloses a multi-round voice interaction method and display equipment. The multi-round voice interaction method comprises the steps of: acquiring a first round of interaction voice generated by a user, carrying out the service intention analysis, screening a first round of target service intention if a multi-service intention exists, and generating a first round of prompt text basedon a main instruction word of a non-target service intention; and when the user performs the second round of voice interaction, if the second round of interaction voice is matched with the main instruction word carried in the first round of prompt text, determining that the second round of voice interaction and the first round of voice interaction form a multi-round voice interaction process, atthe moment, performing query based on a service intention corresponding to the matched main instruction word, and generating a second round of prompt text based on the obtained second round of query information. Visibly, according to the multi-round voice interaction method and the display equipment, when the voice interaction has the multi-service intention, the opportunity of self-selection canbe provided for the user through multiple rounds of voice interaction, and the real-time switching of the multi-service intention is realized, so that the information of the multi-service intention ismore simply and conveniently presented to the user, and the user experience is improved.

The invention discloses an integrated half coupling cleaning device, and relates to the technical field of coupling processing. The integrated half coupling cleaning device comprises a bottom plate, wherein a driving motor is installed on the bottom plate, support plates are respectively welded on the front part and the back part of both sides of the upper surface of the bottom plate, driving rollers are respectively installed on the tops of the two support plates located on the same side of the bottom plate, the two driving rollers are sleeved with a conveying belt, cylindrical rubber blocksare formed on the outer side surface of the conveying belt at equal intervals in a thermoplastic mode, one end of one driving roller is connected with an output shaft of a driving motor by virtue of adriving belt, four supporting plates are welded on the upper surface of the bottom plate, and the four supporting plates are respectively located on the inner sides of the support plates. According to the integrated half coupling cleaning device, the functions of spraying washing liquid, brushing, flushing, airing and collecting sewage are integrated, so that the production machining efficiency of half couplings is improved, the half couplings are thoroughly cleaned, and oil is conveniently applied to the half couplings.

The invention discloses a hand-shaking negative pressure type medicine detection separating and filtering robot. The hand-shaking negative pressure type medicine detection separating and filtering robot comprises support legs, wherein the top end of each support leg is fixedly connected with a separating box body; the inner wall of the separating box body is respectively provided with a material outlet and a pressure relief port; the bottom end of the material outlet extends to the bottom end of the separating box body; one end of the pressure relief port extends to the exterior of the separating box body; the inner wall of the separating box body is fixedly connected with a negative pressure plate. The hand-shaking negative pressure type medicine detection separating and filtering robot has the advantages that the effect of filtering and separating the detection solution is realized; when the upper surface and lower surface of the negative pressure plate generate the pressure difference, the solution is filtered and separated by an ultrafiltration film, and leaks out of a liquid outlet, so that the possibility of unclear observation on internal condition of the separating box bodyis effectively decreased; the air suction pressure in a negative pressure cylinder is controlled according to the specific conditions in the separating box body, so that the problems of complicated separating steps of the medical detection solution and difficulty in control of the separating effect are effectively solved.

The invention provides a four-switch-tube buck-boost converter control method and device, a controller and a storage medium, and relates to the technical field of power electronic control. The methodcomprises the steps of acquiring a signal sampling value of a target port, wherein the target port includes at least one of a first port and a second port, and the signal sampling value includes a voltage sampling value and a current sampling value; generating a control signal according to the signal sampling value of the target port and a pre-acquired preset signal value of the target port, wherein the preset signal value includes a preset voltage value and a preset current value; and based on the control signal, generating a switch tube driving signal to drive the four-switch-tube buck-boostconverter to work. According to the scheme, real-time switching of energy flow is achieved by configuring the preset signal value of the port and adjusting the signal sampling value through the preset signal value, the control method is convenient to operate, rapid and smooth bidirectional switching can be achieved, and energy control efficiency is improved.

The invention relates to the technical field of wheel hub processing, and discloses an aluminum alloy wheel hub processing device that can effectively reduce loss, including a load-bearing base, both sides of the bottom of the load-bearing base are fixedly equipped with load-bearing feet, and the top of the right side of the load-bearing base A vertical plate is fixedly installed, the left side of the vertical plate is fixedly installed with a fixed horizontal plate above the load-bearing base, the side of the vertical plate close to the fixed horizontal plate is provided with a first chute, and the middle part of the inner cavity of the fixed horizontal plate A hydraulic cylinder is fixedly installed, and the bottom of the hydraulic cylinder is fixedly installed with a connecting rod with one end passing through and extending to the bottom of the fixed horizontal plate. The aluminum alloy wheel hub processing device that effectively reduces loss can be used to place the aluminum alloy wheel hub by setting the annular fixing groove, which can replace the manual fixing of the aluminum alloy wheel hub, improving the safety and qualification rate of aluminum alloy processing. It is beneficial to save support and reduce loss.

Embodiments of the invention provide an audio real time switching method and device. The method includes: decoding multitrack original singer audio frequency coding files and accompaniment audio frequency coding files, obtaining multitrack original singer audio frequency data and corresponding accompaniment audio frequency data, adding the multitrack original singer audio frequency data and corresponding accompaniment audio frequency data to a first data queue and second data queue which are arranged in sequence, playing the accompaniment audio frequency data extracted from the second data queue according to the switching operation, switching to play the original singer audio frequency data extracted in the corresponding position from the first data. The real time switching from playing accompaniment to original singer is realized, as the multitrack original singer and accompaniment are respectively stored to the multitrack original singer audio frequency coding files and accompanimentaudio frequency coding files, therefore whether the original singer and accompaniment are both multitrack, and the real time switching and the sound effects of the original singer and accompaniment are realized at the same time.

The invention relates to the technical field of air conditioners, in particular to an adjustable refrigerating device and a refrigeration adjusting method. The adjustable refrigerating device comprises a heat pipe evaporating unit, an evaporative condenser and at least one group of condensing unit, wherein the condensing unit is arranged in an air-cooled environment area; the heat pipe evaporatingunit and the condensing unit are connected to two sides of the evaporative condenser through a first loop and a second loop respectively; the heat pipe evaporating unit is also connected with the condensing unit through a third loop; and the unit areas of the condensing unit and the heat pipe evaporating unit can be adjusted in order to realize variable heat exchange areas respectively. The adjustable refrigerating device is low in energy consumption and high in adaptability, and the running mode and the heat exchange areas of the units can be adjusted flexibly specific to outdoor environmentfactors.

The invention discloses a hub grinding robot with clamping function, which comprises a base, a support column is fixedly connected to the middle of the bottom surface of the base, a groove is opened on the bottom of the support column, and a buffer is fixedly connected to the inner top wall of the groove. In the spring, two symmetrical engaging grooves are opened on the inner side wall of the groove. The hub grinding robot with clamping function can push the extrusion plate to move and effectively clamp the hub, effectively avoiding the sliding of the hub, with good clamping performance, flexible pick and place of the hub, and more convenient to use , can effectively buffer the vibration force generated by the base, has good shock absorption performance, and has a certain anti-skid performance, effectively ensuring the relative stability of the base, good anti-skid performance, ensuring the grinding quality of the wheel hub, and being able to reduce the vibration generated by the motor The heat is effectively discharged, effectively avoiding the burning of the motor, and can effectively block the dust, and the dustproof effect is good.

The invention discloses a hand-operated ginseng slicing robot. The hand-operated ginseng slicing robot comprises a base, wherein the top of the base is fixedly connected with the bottom of a box body;the top of the inner wall of the box body is fixedly connected with the top of a slide rail; a lift block is mounted on the surface of the slide rail in a sliding manner; one side of the lift block is fixedly connected with one end of a connecting rod; the other end of the connecting rod penetrates the box body, extends to the outer side of the box body and is fixedly connected with one side of aslicing knife; an opening matched with the connecting rod is formed in one side of the box body; and the bottom of the lift block is hinged to the top of a driving rod. As a rotating shaft and a rocker work together, when the rocker is swayed, the rotating shaft rotates; when the rotating shaft rotates, a gear and a turntable are driven to rotate; when the gear and the turntable rotate, the slicing knife moves up and down; meanwhile, a clamping device pushes ginseng to approach the slicing knife, so that the ginseng is sliced, and the slicing is more convenient, easier and uniform.

The invention provides a drive circuit and a liquid crystal display panel. The drive circuit comprises a first drive unit and a second drive unit. The first drive unit contains a common voltage input terminal, a first common voltage output terminal, a second common voltage output terminal, a third common voltage output terminal, a first preliminary voltage output terminal and a second preliminary voltage output terminal; and the second drive unit consists of a first preliminary voltage input terminal, a second preliminary voltage input terminal, a fourth common voltage output terminal, a fifth common voltage output terminal, a sixth common voltage output terminal, and a seventh common voltage output terminal. In addition, the invention also provides a liquid crystal display panel. With the drive circuit and the liquid crystal display panel, adjustment of common voltages at different areas can be realized; and on the basis of no increase of the manufacturing cost, the image quality of the liquid crystal display panel is improved and the manufacturing period of the liquid crystal display panel is reduced.

The invention relates to the technical field of wheel hub processing equipment, and discloses a turnover vehicle for aluminum alloy wheel hub processing with multiple storage methods, including a mounting frame, and rod-shaped sliding rails are fixed on both side walls of the inner cavity of the mounting frame The inner cavity of the slide rail is fixedly equipped with a pulley located in the inner cavity of the installation frame, and the opposite side of the pulley is fixedly installed with a fixed horizontal plate located in the inner cavity of the installed frame, and the top of the fixed horizontal plate is fixedly installed with a The storage device in the inner cavity of the installation frame is fixedly installed with the installation plate located in the inner cavity of the installation frame under the fixed horizontal plate, and the sponge cushion layer located in the inner cavity of the installation frame is fixedly installed at the bottom of the installation plate. The turnover car for processing aluminum alloy wheels with multiple storage methods provides a variety of placement methods, which effectively improves the placement space, and at the same time effectively protects the aluminum alloy wheels from damage, improving safety and product quality. Rate.

The invention discloses a server switching method for a set top box advertising machine. The method is based on a service side and management side separated management background mode, thus, a service background side can be uniformly managed by the management side; in addition, the technology in the method is free from heartbeats among servers, so that corresponding hardware expense and system memory expense are saved, and the background management is performed by means of a common IP (Internet Protocol) obtained through virtualization by the servers. According the scheme disclosed by the invention, the situation that all the serves are crashed due to memory faults is also eliminated at the same time, the real-time switching of a system is realized truly, the servers are not mutually influenced, and when one server is in fault, the other server can perform taking-over through switching favorably.

The invention discloses a classification and crushing robot for medical waste, comprising a main box body, a feeding pipe communicating with it is arranged on the top of the main box body, a feeding hopper is arranged on the top of the feeding pipe, and the main box body is provided with a feeding hopper. The front side is provided with a box door, and the back of the main box is provided with two lower crushing motors and one upper crushing motor. The output shaft on the lower crushing motor is connected with the lower crushing shaft through a coupling, and the bottom and top of the lower crushing shaft are provided with There are pulverizing blades arranged at equal distances. The output shaft of the upper pulverizing motor is connected to the upper pulverizing rotating shaft through a coupling. The circumferential direction of the upper pulverizing rotating shaft is evenly distributed with staggered arc-shaped main pulverizing teeth and arc-shaped auxiliary pulverizing teeth. The medical waste classification and crushing device can be classified in the process of crushing, and the crushing effect of the medical waste is more effectively improved, so that the crushing efficiency can be higher.

The invention discloses an intelligent electromagnetic metasurface controlled by voice recognition, which comprises a digital programmable metasurface and a voice control system, and is characterized in that the voice control system comprises a voice recognition module, a computer and a digital-to-analog conversion circuit; wherein the voice recognition module obtains a recognition voice instruction, processes the recognition voice instruction to form corresponding serial port data and then sends the serial port data to the computer, and the computer receives and converts the serial port data into a format which can be processed by the digital-to-analog conversion circuit and then sends the serial port data to the digital-to-analog conversion circuit. The digital-to-analog conversion circuit generates a corresponding voltage sequence to control the digital programmable metasurface; the function of the digital programmable metasurface is regulated and controlled in real time through voice signals, the functions of wide beams, RCS reduction, vortex waves, beam splitting and the like can be effectively achieved, meanwhile, non-contact intelligent regulation and control are achieved, and wide application prospects are achieved in the aspect of acoustics and electromagnetic fusion communication.

The invention provides an easily adjustable grinding device for automobile wheel hubs, which relates to the field of wheel hubs. The conveniently adjustable grinding device for automobile wheels includes a base, two support rods are fixedly installed on the top of the base, and the ends of the two support rods away from the base are fixedly connected through the housing, and the top of the base is located on two A fixing frame is fixedly installed on the right side of the support rod, and a screw rod is inserted through the left side of the housing, and an end of the screw rod close to the housing passes through the left side of the housing and extends to the inside of the housing. The easy-to-adjust grinding device for automobile wheels achieves a convenient adjustment of the vehicle through the settings of screw rods, push rods, vertical rods, slide rods, pipe bodies, plate bodies, sleeves, partitions, return springs, nuts and moving rods. The adjustment effect of the wheel hub grinding device facilitates the use of the user, thereby improving the use efficiency of the wheel hub grinding device and simultaneously improving the working efficiency of the wheel hub grinding device.

The invention belongs to the technical field of ink-jet printing, and particularly discloses an array electrofluid jet printing control method and device for restraining jet flow inclination. The array electrofluid jet printing control method for inhibiting jet flow inclination comprises the following steps that a working voltage is applied to an ignition nozzle to enable the ignition nozzle to perform jet, and a regulation and control voltage is applied to a non-ignition nozzle adjacent to the ignition nozzle to enable the non-ignition nozzle not to inject; and the electric field at the injection position of the ignition nozzle can be adjusted, so that jet flow inclination is restrained. According to the array electrofluid jet printing control method and device for inhibiting jet flow inclination, the requirement for independent jet control of an existing array electrofluid jet printing nozzle can be met, and the jet flow inclination phenomenon during jet is effectively reduced through a high-low voltage electric field regulation and control method, a nozzle three-state switching method and an interval ignition time sequence control method; meanwhile, a foundation is laid for automatic control and patterning printing of array electrofluid jet printing nozzles, and the array electrofluid jet printing device for inhibiting jet flow inclination has the advantages of being simple in structure, high in synchronism, high in reliability, convenient to expand and the like.

The invention provides a pixel driving circuit, a pixel driving method, an array substrate and a display device. The pixel driving circuit comprises a plurality of pixel areas; a pixel electrode array; at least one thin film transistor switch is arranged in each pixel area; in the same row of pixel electrodes, the polarities of voltage signals input on two adjacent pixel electrodes are opposite; the M rows of pixel electrodes are divided into Q pixel groups and comprise a first pixel group, a second pixel group and (Q-2) third pixel groups located between the first pixel group and the second pixel group, and each third pixel group comprises at least q rows of pixel electrodes; in the same column of pixel electrodes, the polarities of voltage signals input to the pixel electrodes in the same pixel group are the same, and the polarities of voltage signals input to the pixel electrodes of two adjacent pixel groups are opposite. According to the pixel driving circuit, the pixel driving method, the array substrate and the display device disclosed by the invention, real-time switching between different frame frequencies can be realized.

The invention discloses a receiver system and receiving method with the cognitive function. A radio frequency front end module is connected with a digital circuit module through an analog-digital conversion module. A radio frequency preselecting filter with the tuned bandwidth and under digital control is introduced to the radio frequency front end so that mirror image and harmonic interference can be effectively avoided and control can be convenient. Meanwhile, spectrum sensing and cognitive user data receiving are combined into a whole, a feature detection algorithm based on cyclic prefix correlation is adopted, spectrum sensing and data receiving can be conducted at the same time, intervention of signals of a main user can be found in time, a silent period is avoided, and communication efficiency is improved. In addition, idle channels can be provided for cognitive users and the current idle channels are continuously monitored. Under the condition that a local oscillator is not changed, spectrum sensing is conducted on other channels in an XMHZ and spare channels are provided. When the main user occupies an authorized frequency band again, the idle channels can be dynamically and intelligently switched in real time.