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169results about How to "Fast transmission" patented technology

Method and device for transmitting data between main board and spray nozzle panel of ink-jet printer

The invention discloses a method for transmitting data between a main board and a spray nozzle panel of an ink-jet printer. The method comprises the following steps that: when the data need to be transmitted, a main control panel of the ink-jet printer receives data information sent by a PC, stores the data information in a buffer memory of an FPGA of the main control panel of the ink-jet printer, and transmits the data information to an LVDS transmission module, the data information undergoes parallel/serial conversion to form the LVDS differential signal, the LVDS differential signal is transmitted to an LVDS receive module of the spray nozzle control panel by an LVDS transmission line to form the single-ended signal, the single-ended signal undergoes the serial/parallel conversion, and the data information is stored in the buffer memory of the FPGA of the spray nozzle control panel; and when the data needs to be received, and the signal is stored in the buffer memory of the FPGA from the FPGA of the spray nozzle control panel; and the following steps are the same as the corresponding steps in data transmission. The device for transmitting the data between the main board and the spray nozzle panel of the ink-jet printer comprises an LVDS differential transmission control unit and an LVDS transmission line. The data transmission method has the advantages of high transmission speed, less transmission lines, and low bit error rate.
Owner:BEIJING MEIKEYI

Zero returning control method based on industrial Ethernet bus technology

The invention discloses a zero returningzero returning control method based on industrial Ethernet bus technologies. The zero returningzero returning control method comprises the steps of: (1) charging a digital controller, (2) starting a zero returning mode, (3) judging whether the present position of a shaft is in a zero returning deceleration zone or not; (4) judging whether the present position of the shaft is at the front of the zero returning deceleration zone or not, (5) enabling a tool slider to return to a zero point at the first speed, (6) converting the fist speed of a tool to the second speed after a zero returning stopper contacts a zero returning switch, (7) receiving a rotating signal of an encoder by a servo motor after the zero returning stopper is separated, (8) decelerating the tool to zero after the rotating signal is obtained, and (9) returning the tool to the prior recorded zero position of a Z pulse signal from the present position. The zero returning control method enhances the accuracy of the zero returning motor of the tool, and reads the position of the tool in real time by utilizing the advantages of the bus data transmission. Moreover, the zero returning control method can realize the rapid zero returningting function of 1000mm/min feeding of the tool, and the zero returning precision is +/- 0.1mu m.
Owner:GSK CNC EQUIP

Automatic seed sampling machine

The invention discloses an automatic seed sampling machine. The automatic seed sampling machine comprises an automatic seed arranger, a seed conveying device, a machine vision working position, a seed gripper group, a seed gripper group moving device, a laser cutting device, a sample disc moving device, a sample disc conveying and charging-discharging device and a seed disc conveying device, wherein the automatic seed arranger is arranged at the left side of the seed conveying device in a connecting manner; the machine vision working position is arranged at one end, close to the automatic seed arranger, of the seed conveying device; the seed gripper group moving device is arranged above the seed conveying device and is provided with the seed gripper group; the laser cutting device is arranged at one side of the seed conveying device in the moving range of the seed gripper group; and the sample disc moving device, the sample disc conveying and charging-discharging device and the seed disc conveying device are arranged at the downstream positions of the seed conveying device in sequence and in the connecting manner. The automatic seed sampling machine disclosed by the invention has the advantages of wide seed adaptability, slight damage to seeds and relatively high working efficiency.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI

Feces analyzing device

The invention provides a feces analyzing device which comprises a turntable assembly. The turntable assembly comprises a turntable. A plurality of detection card case placement parts are uniformly distributed on the turntable, a detection card case is placed on each of the detection card case placement part, and detection cards are successively placed in the case bodies of the detection card cases from top to bottom; a card pulling assembly is arranged on one side of the turntable assembly, the detection cards are pulled out through the card pulling assembly and penetrate through a guide slot of a guide assembly to arrive at a sample application position, the sample application position is arranged on the front portion of a card conveying tray of a card conveying assembly, a specimen is subjected to sample application at the sample application position of each detection card, each detection card can be transferred to a reaction rack of a reaction rack assembly through the card conveying assembly and a rack feeding assembly to react, the reaction rack has a plurality of detection card placement parts, the card conveying assembly is located on one side of the reaction rack assembly, a photographing assembly is arranged on the other side of the reaction rack assembly, and each detection card can be pushed into a photographing tray of the photographing assembly through a rack feeding arm of the rack feeding assembly.
Owner:ZHUHAI KEYU BIOLOGICAL ENG

Assembled follow fixture system

ActiveCN102963693AFast transmissionHigh reciprocating precisionMechanical conveyorsEngineeringTransmission equipment
The invention provides an assembled follow fixture system and relates to the technical field of automobile production line equipment and machines. The assembled follow fixture system comprises lift equipment and dual-layer transmission equipment. The lift equipment is arranged on the two sides of the dual-layer transmission equipment. Each set of lift equipment comprises a lifting device and a lifting transmission device, wherein the lifting transmission device is arranged above one side of the lifting device. Guide wheels are arranged on middle transverse rods of a transmission frame. A motor limiting conveying device is arranged above the guide wheels. Second guide rails are arranged on the two sides of the motor limiting conveying device. A transmission trolley is connected above the transmission frame through a lifting connecting frame. The two sides of the transmission trolley are slideably connected with first guide rails through rollers. Y-direction positioning blocks are arranged on one side of the first guide rails. X-direction positioning blocks are arranged on the external side of a transverse rod on one side of the transmission trolley. The assembled follow fixture system has the advantages that the transmission speed is fast, the reciprocating movement accuracy is high, the structure is simple and compact, various fixtures with equal weight can be switched, the occupied space is small, the system is simple to maintain, the standardization level is high and the system is convenient to use.
Owner:上海后与汽车装备制造有限公司

Seismic wave advanced detection system embarked on tunnel boring machine and method thereof

ActiveCN108761522AStrong anti-interference abilityFast transmissionSeismic data acquisitionSeismic energy generationData transmissionGeophone
The invention discloses a seismic wave advanced detection system embarked on a tunnel boring machine and a method thereof. The seismic wave advanced detection system embarked on a tunnel boring machine includes a pilot sensor, wherein the pilot sensor is fixed on a cutterhead of the tunnel boring machine, and a data receiver of the pilot sensor is arranged in a man cabin at the back of the cutterhead of the tunnel boring machine; the pilot sensor and the data receiver of the pilot sensor perform data communication in a wireless mode; the data receiver of the pilot sensor and a host of the detection system perform data transmission through a cable of the pilot sensor; a plurality of three-component geophones are arranged in a certain range at the back of the cutterhead of the tunnel boring machine, are divided into two groups to be arranged at the walls of two sides of the tunnel, and can perform data transmission with the host of the detection system through a cable of a detector; aplurality of hydraulic focuses are arranged at the back of the cutterhead of the tunnel boring machine, and are connected with a hydraulic focus control system; and after the host of the detection system receives a trigger signal from the hydraulic control system, synchronous data acquisition of all the three-component geophones can be realized through a time sensitive network.
Owner:山东百廿慧通工程科技有限公司

Nuclear power hydrogen concentration detecting device

The invention discloses a nuclear power hydrogen concentration detecting device. The device can perform real-time online monitoring on hydrogen concentration at a plurality of points in a confined space of a nuclear power station. The device consists of an optical fiber-based hydrogen concentration sensor array, a standard air chamber, an optical coupler, a light source, a photoelectric converter, a signal processing unit and a computer output unit. The hydrogen concentration sensor array is arranged in a containment, and other equipment is positioned on an instrument operating platform outside the containment. The optical fiber sensing technology-based nuclear power hydrogen concentration detecting device can simultaneously meet the requirements on safety, real-time online detection and noninterference to the detected environment, has the characteristics of small volume, light weight and high flexibility, and is particularly suitable for the nuclear power station containment environment requiring light load and small installation space. The nuclear power hydrogen concentration detecting device has the advantages of chemical corrosion resistance, suitability for severe environment temperature and no electromagnetic interference, and is suitable for remote large-scale multipoint multiplexing detection.
Owner:718TH RES INST OF CHINA SHIPBUILDING INDAL CORP

CCD (Charge Coupled Device) suitable for optical fiber gyro reeling machine

The invention discloses a CCD (Charge Coupled Device) suitable for an optical fiber gyro reeling machine, which comprises a base component, two horizontal guide rails, a sliding beam component, a slide rail beam component, a lens holder component, a lens mount and a lens, wherein the base component is in a framework type structure; two beams which are mutually arranged in parallel are horizontally arranged on the base component; the two horizontal guide rails are arranged on the two beams of the base component; the sliding beam component is in a framework type structure and is movably arranged on the two horizontal guide rails; the slide rail beam component is arranged at the front end of the sliding beam component; the slide rail beam component is perpendicular to the two horizontal guide rails in the horizontal direction and can transversely slide at the front end of the sliding beam component; the lens holder component is arranged on the slide rail beam component; the lens mount is arranged on the lens holder component and can vertically slide on the lens holder component; and the lens is arranged on the lens mount. The device disclosed by the invention can freely adjust the position of the lens in the three-dimensional direction, thereby conveniently observing the reeling of the optical fiber gyro reeling machine.
Owner:BEIHANG UNIV

Integrated two-layer reverse energy-saving tunnel kiln

InactiveCN101968310AFast transmissionSave the cost of kiln constructionFurnace typesWork performanceTunnel kiln
The invention provides an integrated two-layer reverse energy-saving tunnel kiln, comprising a kiln body, transmission rolls and electric furnace wires, wherein the transmission rolls and the electric furnace wires are arranged in the kiln body. The integrated two-layer reverse energy-saving tunnel kiln is characterized in that the electric furnace wires are uniformly arranged in a mode of being close to the top surface and the bottom surface of the kiln body; a horizontal clapboard is additionally arranged to divide the space in the kiln body into an upper layer and a lower layer horizontally; the transmission rolls are respectively arranged along the proceeding direction in a mode of being close to the bottom of each layer; and the rotating directions of the two layers of the transmission rolls are reverse. The integrated two-layer reverse energy-saving tunnel kiln is characterized in that single-layer transmission is changed into two-layer transmission, the transmission directions of the two layers are reverse, the two layers are separated by the clapboard, so the annealing heat of the upper-layer furnace and the annealing heat of the lower-layer furnace are respectively used as preheating sources for the upper-layer furnace and the lower-layer furnace, and materials are inout and output from the two ends of the tunnel kiln respectively. Therefore, integrated two-layer reverse energy-saving tunnel kiln saves energy, improves efficiency, saves labor and materials as well as space, and has excellent working performance.
Owner:YIYUAN JIALI LIGHT IND PRODS
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