51results about How to "Stable transmission speed" patented technology

A multi-wavelength optical transmitter which multiplexes a plurality of channels having different wavelengths into an optical signal for output includes lasers for generating mode-locked channels by corresponding incoherent light received in the lasers. The transmitter also has a semiconductor optical amplifier for amplifying, while in a gain saturation state, the optical signal multiplexed by the multiplexer/demultiplexer. Light from a broadband light source is directed by a circulator to the multiplexer/demultiplexer for demultiplexing among the lasers. Light back from the lasers is multiplexed and then directed by the circulator and amplified by a semiconductor optical amplifier for output external to the transmitter.

The invention discloses a GPS and 3G network based tour bus scheduling system and method which are used for scheduling vehicles in real time. The scheduling system comprises a mobile terminal, a 3G network, a scheduling terminal and a site information collecting terminal. According to the scheduling method, the mobile terminal is used for collecting a serial number and position information of a vehicle and site information, and all information is sent to the scheduling terminal through the 3G network; and the scheduling terminal sends a scheduling instruction to the 3G network after data analysis, and a driver drives the vehicle according to the instruction after the mobile terminal receives the instruction from the 3G network. The GPS and 3G network based tour bus scheduling system and method have the benefits that a schedule management center can master condition of each line in real time and can timely adjust the drive route, so that the problems of vehicle shortage and congestion of each travel line in a tourism area are effectively solved.

The invention discloses a high-speed opening cutting device for chestnuts, which comprises a machine frame, a feed groove and a discharge groove, wherein a plurality of transmission wheels and a loading plate capable of running circularly under the drive of the transmission wheels are arranged on the machine frame; a material pressing mechanism for pressing materials on the loading plate and the loading plate synchronously operate in mesh; the height of the loading plate at the feed groove is lower than that of the material pressing mechanism; an opening cutting mechanism is arranged at the position in which the material pressing mechanism is positioned on the lower part of the loading plate; and the opening cutting mechanism is used for cutting the chestnuts between the material pressing mechanism and the loading plate. In the chestnut cutting machine, chestnut raw materials are supplied to the loading plate from the feed groove, the loading plate drives the chestnut raw materials to lift and convey the chestnut raw materials to the opening cutting mechanism, the material pressing mechanism which is synchronously meshed with the loading plate can fix the chestnuts, the chestnuts are cut by the opening cutting mechanism on the lower part of the loading plate to ensure that the cut on the chestnuts are consistent in the opening cutting process, and the transmission speed of the chestnuts can be regulated by regulating the speed of the transmission wheels, so that the opening cutting efficiency of the chestnuts is higher. The high-speed opening cutting device is used in the field of agricultural mechanical equipment.

The embodiment of the invention discloses a data transmission method and device, a terminal, a storage medium and a system. According to the embodiment of the invention, the method comprises the steps: acquiring audio data and transmission state information; determining a compression coefficient and a redundancy coefficient based on the transmission state information; performing time domain compression processing on the audio data according to the compression coefficient to obtain compressed data; performing channel coding on the compressed data according to the redundancy coefficient to obtain a transmission data packet; and sending the transmission data package. In the embodiment of the invention, the transmission state information is analyzed; whether congestion, the packet loss and thelike exist in the current transmission of the channel can be judged; by modifying the compression coefficient, channel congestion and other conditions can be improved, and by modifying the redundancycoefficient, the packet loss and other conditions can be improved, so the utilization rate of a channel is improved while the correctness and integrity of data transmission are ensured, the data transmission speed is higher and more stable, and thus, the scheme can improve the efficiency of the data transmission method.

The invention discloses a dynamic building fire escape response method. The method employs a dynamic building fire escape response system, and the dynamic building fire escape response system comprises a composite fire detector, a voice alarm, a watering device, an escape indicating lamp, an in-building server, an out-building server, a mobile phone and a water pressure detection device; an emergency Bluetooth communication module is arranged on the escape indicating lamp; the in-building server analyzes the fire behavior through the data collected by the composite fire detector, formulates anescape channel route and sends the escape channel route to the mobile phone, and then controls the escape indicating lamp to indicate an escape path to help escape personnel to escape; the out-building server communicates with the mobile phone and the escape indicating lamp. A dynamic escape personnel distribution diagram is drawn, the out-building server draws a dynamic building fire behavior state diagram according to the dynamic escape personnel distribution diagram in combination with the water pressure data of the output end of the water spraying device and the spraying state diagram, the fire-fighting situation in an escape passage is provided for firefighters, the fire behavior situation of the building is known, and rescue and fire fighting are facilitated.

The embodiment of the invention discloses a file transmission method and a terminal. The method comprises the following steps that: a first terminal receives a hotspot creating command input by a user through an application; the first terminal creates a Wi-Fi hotspot in response to the hotspot creating command; the first terminal receives a socket server creating command input by the user through the application; the first terminal creates a socket server in response to the socket server creating command; the first terminal establishes Wi-Fi connection with a second terminal; the first terminal establishes connection between the socket server and the second terminal through Wi-Fi connection; the first terminal detects a transmission command input by the user through the application specific to a certain file; and the first terminal transmits the file to the socket server in response to the transmission command in order that the socket server transmits the file to the second terminal through Wi-Fi connection. Through adoption of the file transmission method and the terminal, the file transmission efficiency can be effectively increased under the situation of no flow consumption.

The invention discloses a medium transmission device, which comprises a client portion having a banknote depositing and withdrawing port, a banknote checking portion for identifying banknotes, a temporary storage portion for keeping the banknotes temporarily, a switching blade for switching the transmission direction of the banknotes, a banknote box for accommodating the banknotes, a first transmission channel connected with the client portion and the banknote checking portion, a second transmission channel connected with the banknote checking portion and the temporary storage portion, and a third transmission channel connected with the banknote checking portion and the banknote box. A transmission O portion is arranged at one side of the client portion and one side of the banknote checking portion; an arc transmission channel is formed in the peripheral surface of the transmission O portion; and the temporary storage portion is abutted against the transmission O portion, and the temporary storage portion is uniformly provided with a plurality of press rollers for applying uniform pressure to the transmission O portion. The medium transmission device ensures the banknotes have appropriate and effective transmission power and stable and consistent transmission speed in the transmission channel, thereby reducing probability of that the banknotes block the transmission channel and are blocked in the arc transmission channel, and ensuring normal transmission of the banknotes and utilization rate of the machine equipment.

The invention provides an automatic powder brushing and border cutting device of a chip inductor, and belongs to the technical field of chip inductor molding equipment. The device comprises a box body, a controller, a powder brushing mechanism and a border cutting mechanism, wherein the device is characterized in that the powder brushing mechanism is fixed at the right side of the upper end of the box body and comprises a first horizontal guide rail; a first conveyor belt is arranged in a groove of the first horizontal guide rail; two clamping plates are symmetrically arranged at two sides of the upper end of the first horizontal guide rail; a vertical air cylinder is arranged at the lower part of each clamping plate; a powder brushing rack is arranged at the right ends of the clamping plates; a first induction lamp is arranged at the right end of the powder brushing rack; a horizontal air cylinder is arranged at the rear part of the powder brushing rack; a second conveyor belt is arranged in a second horizontal guide rail of the border cutting mechanism, a third induction lamp is arranged at the right part of the second horizontal guide rail and pressure block control air cylinders are arranged at two sides of the second horizontal guide rail; and a cutter control air cylinder is arranged at the upper end of an upper support plate of the border cutting mechanism. The automatic powder brushing and border cutting device has the beneficial effects that the operation of the device is simple and automatic, the production cost is low, powder brushing and cutting are integrated, the cleaning effect is good, product positioning is accurate and the quality of a finished product is high.

The invention discloses a cement mortar feeding device for sticking bricks, which comprises a hopper, a conveyor belt is arranged under the hopper, and a supporting device is arranged at the discharge end of the conveyor belt, the supporting device includes two fixing plates, and the fixing The plates are all parallel to the conveying direction of the conveyor belt, and several support rods are arranged between the fixed plates. Through the present invention, the speed of tile grouting is improved, and because the transmission speed of the conveyor belt is stable, the cement mortar can evenly fall on the back of the tile, avoiding the fact that there is no cement mortar in some parts between the back of some tiles and the corresponding wall or ground, or Excessive application of cement mortar will cause the cement mortar to squeeze out from the joints of the bricks when the bricks are glued.

The invention relates to a horizontal solid wood board slicing sawing machine, which comprises a stand, a hood, a dust collection device, a pipeline, conveying devices and a cutting device, wherein the hood is fixedly arranged at the upper end of the middle part of the stand; the conveying devices are transversely and coaxially arranged on the inner upper part of the stand; the cutting device is arranged on the hood and the stand between the conveying devices, is connected with a driving device, and is structured in a way that a plurality of blades are fixedly arranged in a cutter frame at an equal interval; a plurality of pressure rollers are arranged at intervals in the hood on the two sides of the cutting device; a dust hood is arranged at the top of the hood above the cutting device; the dust collection device is connected to and arranged at the upper end of the dust hood; the pipeline is connected to the dust collection device. The horizontal solid wood board slicing sawing machine is simple in structure, scientific in design, uniform in pressure and high in machining efficiency and machining accuracy, the smoothness of a product is improved, the labor intensity of a worker is effectively reduced, and the production efficiency is improved.

The invention relates to a planar object screening and discharging device. The device includes a detection conveyor belt, a swing screening conveyor belt is in butt joint with the front end of the detection conveyor belt, a reject screening conveyor belt is in butt joint with the front end of the swing screening conveyor belt, a Y-axis conveyor belt is arranged below the front end of the reject screening conveyor belt, an X-axis module is arranged below the Y-axis conveyor belt, and a tray conveyor belt and a material pulling device matched with the tray conveyor belt for use are arranged on one side of the Y-axis conveyor belt; a stacking device is arranged on the other side, and reject screening panel trays are vertically arrayed on the tray conveyor belt; a good product screening conveyor belt is arranged below the part, matched with the swing screening conveyor belt, of the reject screening conveyor belt, and a panel packing machine is arranged below the good product screening conveyor belt; the portion, close to the detection conveyor belt, of the swing screening conveyor belt is provided with a rotating shaft, the swing screening conveyor belt can rotate at a certain angle around the rotating shaft through a driving device to achieve switching between a reject screening work position and a good product screening work position, and therefore screening of rejects and good products of detected panels is achieved. The planar object screening and discharging device has the advantages of automatic flow, precise positioning, high work efficiency, a low maintenance cost and the like.

The invention discloses an MXene/ manganese phosphate composite material, and a preparation method and application thereof. The composite material is prepared by mixing flake-like MXene and flake-likemanganese phosphate, wherein the flake-like MXene and the flake-like manganese phosphate are both of a nanoscale size, and the charge mass ratio of the flake-like MXene to the flake-like manganese phosphate is 1:9.5-10.5. The preparation of the MXene/ manganese phosphate composite material comprises the following steps that: after the flake-like MXene and the flake-like manganese phosphate are independently added into water, dispersing and drying to obtain the MXene/ manganese phosphate composite material. The above prepared MXene/ manganese phosphate composite material is applied to superoxide anion detection. The composite material disclosed by the invention has more active loci, both has excellent electron transmission efficiency and stable transmission speed, and is especially suitable for detecting superoxide anions.

The invention discloses a method for transmitting release data between terminals of an EFB system based on an airdrop function, which mainly uses the airdrop function of an EFB terminal device such asan iPad to transmit the release data in an electronic flight bag (EFB) between pilots. This function is mainly applied to the electronic flight package software EFB system in civil aviation flight. The release data may be shared with other pilots of the same unit after being downloaded by a person in a unit, thereby achieving the purpose of quick data synchronization and traffic saving, avoidingall crew members from downloading data from the server, saving traffic, and reducing the server pressure. The release data between crew members may be synchronized without relying on the network, which saves download traffic and reduces flight preparation time for international flights. The invention is fast in transmission speed, stable, and small in interference, and the release data may be gotthrough this method for the situation that the release data cannot be opened or downloaded for some reasons, thereby reducing the risk of flight.

The invention relates to the technical field of woodworking machinery, in particular to a woodworking machine tool which comprises a rack, a working table, a wood conveying mechanism, a working tablelifting mechanism, a saw-cutting mechanism, a saw-cutting transmission mechanism, a pressure roller mechanism, a pressing and adjusting mechanism and a pressure roller transmission mechanism. A feeding conveyor and a discharging conveyor are arranged on the working table; a saw-cutting shaft is arranged above the middle between the feeding conveyor and the discharging conveyor; saw blades are arranged on the saw-cutting shaft at intervals; pressing columns are arranged on a discharging pressure roller or a feeding pressure roller at intervals; the lengths of the pressing columns are graduallyincreased from the middle of the discharging pressure roller or the feeding pressure roller; the discharging pressure roller and the feeding pressure roller are connected through a chain, a chain wheel and an output chain wheel on a pressure roller drive motor; and a lifting mechanism is arranged under the working table. The woodworking machine tool provided by the invention is low in production cost, high in levelling efficiency, free of damaging a conveyor belt, and capable of effectively limiting and saw-cutting woods with arched upper end surfaces, different axial heights and irregular radial arched surfaces.

The invention discloses a cable insulation layer coating method, relating to the technical field of cladding machines. A conveying device, a coating device, a cooling device and a winding device are included, and the conveying device, the coating device, the cooling device and the winding device are all arranged on a workbench. A to-be-coated cable sequentially penetrates through the conveying device, the coating device, the cooling device, the conveying device and the winding device; the conveying device comprises a supporting frame, a conveying motor is fixedly connected to the outer side ofthe supporting frame, two rotating rollers are rotatably connected to the inner side of the supporting frame, and a gap between two electrorheological fluid bags can be controlled along with change of the diameter of a cable, so that the effective conveying effect can be achieved when different types of cables are wrapped. Moreover, the axes of the cables of different types are always located inthe center of a gap defined by the two electrorheological fluid bags, so that the cables are not prone to core shift in the conveying process, and the coating uniformity is high.

The invention discloses a conveying belt type long strip-shaped food shearing mechanical device. The conveying belt type long strip-shaped food shearing mechanical device comprises a device main frame; a conveying belt is arranged at the middle part of the device main frame; the two sides of the front end of the device main frame are each detachably connected with a connecting leg; the top of eachconnecting leg is detachably connected with the side part of a vertical plate frame; a top plate frame is welded at the top of the vertical plate frame; the top of the top plate frame is detachably connected with a shearing cylinder; a piston rod of the shearing cylinder is matched with a double-side articulating base; the front part of the vertical plate frame is fixedly connected with a centershaft; the center shaft is rotationally matched with a front knife arm and a rear knife arm; the tops of the front knife arm and the rear knife arm are each provided with a connecting lug in a weldingmanner; and each connecting lug is connected with the double-side articulating base through a connecting rod. The conveying belt type long strip-shaped food shearing mechanical device is matched withthe conveying belt for use, can be used for continuously cutting long strip-shaped foods, uses less manpower, and is high in work efficiency, low in manufacturing cost and easy to popularize and use.

The invention discloses an HT2518C full-intelligent medical sample sending station which is special sending equipment for medical test tubes. A sample bin of the equipment is designed in an insertingmode. 48 samples can be stored in the sample bin at a time, and intelligent sending can be realized only by directly placing the samples into the sample bin at a blood sampling point and then inserting the sample bin into a sample bin positioning base of the station. The sample bin is driven by a stepping motor, runs in steps, is automatically verified and has high positioning accuracy, a sample out-of-bin groove is arranged below the sample bin and provided with a sliding groove, a speed reducing motor drives a striking plate to strike the samples out of the bin groove to enter a special-shaped pipeline, sample sending is completed under the control of a double-pipeline sliding valve, a positive pressure suspension type transmission technology is adopted for system sending, and a laser sensor performs multi-point detection. The machine has the greatest advantage that operating time of operators can be saved for hospitals, and the equipment can send medical blood sample test tubes withreal high efficiency, high intelligence and high stability.

The invention provides an outlet can-supporting device of a pop-top can cleaning and drying machine. The device comprises a conveying mechanism, a transition plate and a power assembly, wherein the conveying mechanism is located in the cleaning and drying machine, and the two sides of the conveying mechanism are each provided with a righting mechanism. Each righting mechanism comprises a mountingplate, a first electric push rod, a vertical plate, a driving wheel, a first telescopic rod, a connecting frame, a driven wheel and a conveying belt, wherein the mounting plate is arranged on one sideof the conveying mechanism, the first electric push rod and the vertical plate are arranged on the mounting plate, the driving wheel and the first telescopic rod are mounted on the vertical plate, the connecting frame is mounted between the driving wheel and the vertical plate, one end of the connecting frame is movably connected with the movable end of the first electric push rod, the driven wheel is arranged at the other end of the connecting frame and connected with the driving wheel through the conveying belt, and the driven wheel is connected with the movable end of the first telescopicrod.

The invention discloses a metal plate cutting device for retractable door production. The device comprises a support rod, a driving gear, a first power unit, two conveying mechanisms and a driving mechanism; the support rod is arranged in the vertical direction; the driving gear is mounted on the support rod, and the axis of the driving gear is overlapped with the axis of the support rod; the first power unit drives the driving gear to rotate; the two conveying mechanisms are distributed on two sides of the driving gear; the conveying mechanisms include support tables, cutters, support frames, lead screws and two moving plates; accommodating tanks are formed in the support tables; first ends of the cutters are hinged to the accommodating tanks; projections of the cutters on the support tables are positioned in the accommodating tanks; the driving mechanism drives the cutters to enter or deviate from the accommodating tanks; and the cutting directions of the cutters in the two conveying mechanisms are opposite. The device is simple in structure and convenient for use.

The invention relates to the technical field of power line protection, in particular to a power line sound wave loading device and a method based on sound wave localization, and the sound wave localization method comprises the following steps: firstly, obtaining a plurality of modulated waves, then analyzing the modulated waves to obtain a vibration source position and a wave generation moment, and then, according to the wave generation moment and the vibration source position, obtaining a plurality of modulated waves; according to the embodiment of the invention, sound waves are used as carriers, the transmission speed of the sound waves is relatively stable, and the transmission speed of the sound waves is slower than that of electromagnetic waves and light waves, so that under the condition of the same time precision, the transmission speed of the sound waves is relatively stable, and the transmission speed of the sound waves is lower than that of the electromagnetic waves and the light waves. The positioning precision is far higher than that of a carrier using electromagnetic waves or light waves, the requirements of most engineering surveying can be met, mechanical waves are used as the carrier, the power line cannot be damaged, transmission of electric signals cannot be affected, and use is safer.