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31results about How to "Consistent response time" patented technology

Brake with self-compensation function and braking method thereof

The invention discloses a brake with a self-compensation function and a braking method of the brake, and belongs to parking braking equipment. The brake comprises a brake disc and brake units arranged on the two sides of the brake disc, each brake unit comprises baffles, a piston, an adjusting taper sleeve, a piston push rod and a friction plate, a caliper body and the baffles form an annular mounting space, a piston can axially moving left and right along the annular mounting space, the adjusting taper sleeve is arranged on the side, away from the baffles, of the inner surface of the piston in a sleeving mode and can be kept expanding or contracting in the radial direction of the mounting space, one end of the piston push rod is mounted on the adjusting taper sleeve in a sleeving manner, the piston push rod is in clearance fit or interference fit with the adjusting taper sleeve, and the friction plate is connected with the other end of the piston push rod and is suitable for pressing the brake disc. The brake belongs to a fixed parking brake, the pressing force of a disc spring is completely converted into the parking braking force through hydraulic oil return, and due to the fact that the parking braking force is not consumed by other parts, the braking efficiency is high, an external power source is not needed, and automatic abrasion compensation can be achieved.
Owner:CRRC QISHUYAN INSTITUTE CO LTD

Process and device for synthesizing (3R, 4R)-4-acetoxyl-3-[(R)-1-tert-butyl dimethyl silica ethyl]-2-azetidinone

The invention discloses a process and a device for synthesizing (3R, 4R)-4-acetoxyl-3-[(R)-1-tert-butyl dimethyl silica ethyl]-2-azetidinone. 4-AA industrial products can be synthesized by the aid of continuous reaction technologies for series connection circuit reactors. The process includes dissolving a raw material (3R, 4R)-3-[(R)-1-tert-butyl dimethyl silica ethyl]-4-acetoxyl-1-(4-methoxy phenyl)-2-azetidinone by the aid of methanol; allowing series connection circuit reaction devices to carry out oxidation deprotection on PMP protecting groups in the raw material by the aid of ozone; carrying out reduced-pressure distillation to remove the methanol and then adding water to the raw material to obtain 4-AA crude products; re-crystallizing the crude products to obtain 4-AA products. The process and the device have the advantages that the process is simple, safe in oxidation deprotection reaction operation, short in reaction time and low in running cost; the reaction yield can be greatly increased, and the mass yield of the 4-AA products is higher than 69%.
Owner:SHANGHAI APPLIED TECHNOLOGIES COLLEGE +1

Continuous-processing caprolactam polymerization kettle

A continuous-processing caprolactam polymerization kettle is characterized by comprising two kettle bodies, wherein the first segment is a pressure kettle body and the second segment is a normal-pressure kettle body. The first pressure kettle body is a reactor with a taper outlet, a feed inlet and a reflux mouth are arranged at a kettle cover head, a tubular heat exchanger is arranged below the kettle cover head in the kettle, and the taper outlet is connected with the second normal-pressure kettle body via a gear melt pump. The second normal-pressure kettle body is a reactor with a taper outlet, a feed inlet and a reflux mouth are arranged at a kettle cover head, the feed inlet in connected with the first pressure kettle body via a gear melt pump, a taper slit pressure-releasing device is arranged at the inlet end in the kettle, a tubular heat exchanger and a coaxial multilayer convex perforated plate are successively arranged below the pressure-releasing device, and a inverse-taper baffle plate is arranged in the taper outlet. By employing the above structure design, the flow and the mixing of material fluid in the polymerization kettle are effectively improved, and the problems are solved that the reaction is not uniform and the synthesized product is not uniform in molecular weight and molecular weight distribution.
Owner:FUJIAN JINJIANG TECH

Light-weight optical antenna and method for realizing capturing and tracking based on light-weight optical antenna

The invention discloses a light-weight optical antenna and a method for realizing capturing and tracking based on the light-weight optical antenna. The problems that a traditional mechanical rotary table type optical antenna is extremely large in weight power consumption, slow in response based on a liquid crystal phased array optical antenna purely, too small in wedge-shaped double-frequency liquid crystal phased array area and uneven in response time are solved. The antenna comprises a coarse tracking liquid crystal, a coarse tracking liquid crystal controller, a beam shrinking system, a fine tracking liquid crystal, a fine tracking liquid crystal controller, a spectroscope, a first coupling system, a single-mode optical fiber, a second coupling system, a detector and a data analysis andinstruction system. The antenna can be used for receiving a laser beam of a communication target and emitting the laser beam to the communication target. According to the optical antenna, capturing and tracking of space laser beams are achieved through cascade connection of two stages of liquid crystal devices, and compared with a mechanical rotary table type optical antenna, the optical antennahas the advantages of being small in size, light in weight and low in power consumption; meanwhile, high-precision pointing change of light beams is achieved through deflection of the double-state double-frequency liquid crystal, and the advantages of being fast in light beam pointing and short in response time are achieved.
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI

Driving circuit, driving system, driving method and gearbox

InactiveCN112104210AThe driving current is consistentReduce complexityPower conversion systemsDriving currentControl signal
The invention provides a driving circuit, a driving system, a driving method and a gearbox, the driving circuit comprises at least one high-end driving circuit and a plurality of low-end driving circuits corresponding to the high-end driving circuits, and the signal input ends of the high-end driving circuits are used for receiving electromagnetic valve driving control signals. The signal output end of the high-end drive circuit is used for being connected with the first end of each electromagnetic valve, the second end of each electromagnetic valve is used for being connected with the first output end of the low-end drive circuit, the second output end of the low-end drive circuit is grounded, and the input end of the low-end drive circuit is used for receiving enable control signals. Allthe electromagnetic valves share a high-end driving source, so that the energy storage of the consumption coil is also carried out in a common push-pull circuit, the cost is saved, and the protectionis shared; herein, the high end can realize normally-pulled high level, and can also send duty ratio variable PWM waveforms in real time, so that all electromagnetic valves achieve consistent drivingcurrent, high-end control resources are saved, and the complexity of software control is reduced.
Owner:湖南行必达网联科技有限公司

A fully automatic immunofluorescence detection device

The invention discloses a full-automatic immunofluorescence detection device, which comprises a main frame. The main frame is provided with a test operation area, a sample adding area and a detection area. The detection area consists of a reagent card tray transmission mechanism, a scanning mechanism and a temperature controlled incubation mechanism. The sample adding area consists of a sample loading mechanism, a Tip head mechanism and a sample adding mechanism. The detection area consists of an optical detection mechanism and detection software. The scanning mechanism and the temperature controlled incubation mechanism are connected to the detection software, the scanning mechanism is disposed at the upper end of the reagent card tray transmission mechanism, the rear end of the reagent card tray transmission mechanism is equipped with a sample adding platform, reagent cards are sent into the temperature controlled incubation mechanism through a push-card-into-incubation mechanism and an incubation card push mechanism, and the temperature controlled incubation mechanism is provided with a laser scanning mechanism. By adopting the full-automatic immunofluorescence detection device provided by the invention, the detection process is automatically completed mechanically, the efficiency is improved, tedious manual operation is saved, automatic detection is realized, and the detection time is saved. Therefore, the full-automatic immunofluorescence detection device is convenient for application to emergency rooms, laboratory departments and other public places, community hospitals and other occasions, has high cost performance and strong market competitiveness, and fills the domestic blank.
Owner:RELIA BIOTECH JIANGSU

Continuous Caprolactam Polymerization Kettle

A continuous-processing caprolactam polymerization kettle is characterized by comprising two kettle bodies, wherein the first segment is a pressure kettle body and the second segment is a normal-pressure kettle body. The first pressure kettle body is a reactor with a taper outlet, a feed inlet and a reflux mouth are arranged at a kettle cover head, a tubular heat exchanger is arranged below the kettle cover head in the kettle, and the taper outlet is connected with the second normal-pressure kettle body via a gear melt pump. The second normal-pressure kettle body is a reactor with a taper outlet, a feed inlet and a reflux mouth are arranged at a kettle cover head, the feed inlet in connected with the first pressure kettle body via a gear melt pump, a taper slit pressure-releasing device is arranged at the inlet end in the kettle, a tubular heat exchanger and a coaxial multilayer convex perforated plate are successively arranged below the pressure-releasing device, and a inverse-taper baffle plate is arranged in the taper outlet. By employing the above structure design, the flow and the mixing of material fluid in the polymerization kettle are effectively improved, and the problems are solved that the reaction is not uniform and the synthesized product is not uniform in molecular weight and molecular weight distribution.
Owner:FUJIAN JINJIANG TECH

A lightweight optical antenna and a method for capturing and aiming based on it

The invention discloses a lightweight optical antenna and a method for capturing and aiming based on it, which overcomes the huge weight and power consumption of the traditional mechanical turntable optical antenna, the slow response of the optical antenna based solely on the liquid crystal phased array, and the wedge-shaped dual-frequency liquid crystal phased array. The problem of too small area and uneven response time. The antenna includes coarse tracking liquid crystal, coarse tracking liquid crystal controller, beam shrinkage system, fine tracking liquid crystal, fine tracking liquid crystal controller, beam splitter, first coupling system, single-mode fiber, second coupling system, detector and data analysis and instructions System; the antenna can be used to receive the laser beam of the communication target and transmit the laser beam to the communication target. The optical antenna uses two-stage liquid crystal devices cascaded to realize the capture and tracking of the space laser beam. Compared with the mechanical turntable optical antenna, it has the characteristics of small size, light weight and low power consumption; at the same time, it uses dual-state dual-frequency The deflection of the liquid crystal realizes the high-precision pointing change of the beam, which has the advantages of fast beam pointing and short response time.
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI

Curved liquid crystal panel and display device

The invention provides a curved liquid crystal display panel and a display device. The curved liquid crystal display panel comprises a first substrate, a second substrate and an isolation piece. The isolation piece is arranged between the first substrate and the second substrate. The isolation piece comprises first isolation piece bodies, second isolation piece bodies and third isolation piece bodies. The two ends of each first isolation piece body make contact with the first substrate and the second substrate respectively. One end of each second isolation piece body and one end of each third isolation piece are fixed to the first substrate. The distance between the second isolation pieces and the second substrate is larger than that between the third isolation pieces and the second substrate. The first isolation pieces and the second isolation pieces are evenly distributed in the liquid crystal display panel. The distribution density of the third isolation pieces is gradually reduced from the middle of the curved liquid crystal display panel to the end of the curved liquid crystal display panel. The display device comprises the curved liquid crystal display panel. By means of the curved liquid crystal display panel and the display device, images can be displayed clearly and the optical taste is improved.
Owner:WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD

A method and device for equal delay wiring

ActiveCN105512438BShorten the lengthLatency values ​​are equal or approximately equalSpecial data processing applicationsCapacitanceTime delays
The invention relates to an equal-time-delay wiring method. The equal-time-delay wiring method comprises at least the steps of recognizing geometric parameters of an area to be wired, dividing the area to be wired into serial geometric sub-segments based on the geometric parameters, producing initial wiring, calculating resistance and capacitance parameters of at least one geometric sub-segment and / or each network cable, calculating time delay parameters of each network cable based on the resistance and capacitance parameters of each geometric sub-segment of each network cable, and adaptively adjusting the geometric characteristics and / or positions of the corresponding geometric sub-segments and / or the network cables based on comparison between the time delay parameters and preset time delay parameters. On the premise that the process requirements for minimum wire width and minimum spacing are met, time delay values of the wired network cables can be small to the greatest extent and be approximately equal, response synchronization of devices (a logic gate, a storage unit and the like) driven by each network cable on an integrated circuit is achieved, and the performances of the integrated circuit are improved. Alternatively, display pixels corresponding to the network cables on a liquid crystal display panel are equal in brightness, the display performance of the panel is improved, and the integration performance is further improved.
Owner:成都锐开云科技有限公司
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