43results about How to "Strong speed" patented technology

The invention relates to a poultry fertilized egg detection and screening device based on machine vision. The device comprises a breeding egg conveying unit, an image acquisition unit and a breeding egg sorting unit; the device mainly applies a machine vision technology and a digital image processing technology; a whole disc of breeding eggs to be detected are detected and the light transmission property of each breeding egg to be detected in an image is extracted; whether each breeding egg to be detected is fertilized or not is judged according to the light transmission property of the breeding eggs to be detected; infertile eggs are sucked through a suction disc by utilizing a vacuum generation technology, so that separation of the infertile eggs and the fertilized eggs is realized. The device provided by the invention can replace artificial egg candling so that the labor intensity of workers is alleviated, and the speed and accuracy of breeding egg detection are improved; more importantly, the device takes a hatching tray in actual production as a foundation and has very high practicability; the device is invented so that an infertile egg detection industry of China reaches a new stage, and the device has important significance on an automation level of agricultural product detection.

The invention relates to a friction type adjusting line delivery system which comprises rectilinear friction drive devices, an adjusting line upper element hoist, an adjusting line lower element hoist, trolley positioning devices and a trolley stopper, wherein the rectilinear friction drive devices are distributed along a friction track line body at intervals; the adjusting line upper element hoist and the adjusting line lower element hoist are respectively arranged at an outlet and an inlet of the line body and provided with track hoists; the trolley positioning devices are respectively distributed on lifting tracks of the hoists; and the trolley stopper is arranged on a friction track of the inlet of the adjusting line lower element hoist. The invention thoroughly changes a delivering way of a traditional car body adjusting line, has novel structure, high automation degree, simple control, low equipment and operation cost and convenient maintenance and is a delivery equipment system in a type of low noise, low pollution and environmental protection.

A multifunctional nursing bed is composed of left and right boards for turning body over, left and right buttock boards, cover plate of bedpan, thigh board, shank board and supporting frame. Its control system consists of information input module, control module with single-chip microprocessor, and PLC control system.

The invention discloses an obstacle-crossing mechanism of a rod piece climbing robot. The obstacle-crossing mechanism comprises a machine body, surrounding mechanisms and climbing mechanisms. The machine body is provided with two arc-shaped guide grooves formed in parallel, the number of the surrounding mechanisms is two, the two surrounding mechanisms are reversely arranged and the two surrounding mechanisms each are coaxially matched with one guide groove, and the climbing mechanisms are arranged on the surrounding mechanisms. The obstacle-crossing mechanism is simple and compact in structure and low in production cost. Through the combination of the two groups of surrounding mechanisms and the climbing mechanisms, obstacle crossing can be performed on obstacles at a height of +/-200 mm under the joint effects of multiple groups of flexible joints and springs; and through the track type climbing mechanisms, the climbing robot can climb on a rod piece quickly. Since the two groups of surrounding mechanisms work respectively, obstacle crossing can be performed quickly, the adaptability is high, the speed is very quick, obstacles can be crossed quickly, and intermediate complex control steps are reduced.

The invention discloses an arc guiding and extinguishing apparatus, as well as a DC breaker using the arc guiding and extinguishing apparatus. The arc guiding and extinguishing apparatus comprises a U-shaped motor groove and an arc extinguishing cover component which are mutually connected, wherein a U-shaped magnet yoke is arranged in a hollow cavity of the U-shaped motor groove; a magnetic material block is respectively arranged on each side of the upper sides of two sidewalls of the magnet yoke; and a reversed U-shaped magnetic path is formed by the magnetic material blocks and an arc extinguishing grid sheet in the arc extinguishing cover component. The magnetism generated by the current in a conductive circuit in the U-shaped magnet yoke and the reversed U-shaped magnetic path has a strong magnetic blowing force on the arc which is instantly generated when a movable contact and a static contact are released from contact, so as to blow the arc into the arc extinguishing cover component to extinguish the arc. With the adoption of the arc guiding and extinguishing apparatus, as well as the DC breaker using the arc guiding and extinguishing apparatus, the problem that the arc guiding effect on the arc near to the dynamic contact by the arc guiding device in the prior art is poor is solved; and the arc guiding and extinguishing apparatus, as well as the DC breaker using the arc guiding and extinguishing apparatus is excellent in arc guiding effect, strong in arc extinguishing ability, short in arc spraying distance and wide in application range for all arcs between the dynamic contact and the static contact.

The invention belongs to the technical field of environment protection and discloses a preparation method of a water dephosphorization porous ceramic filter ball. Typical solid waste is used as a rawmaterial for collaborative treatment. The method includes: pretreating a raw material, controlling raw material grain size, and grading; uniformly mixing the raw material to obtain paste; granulating,and aging; performing gradient temperature-controlled calcining, wherein the raw material is composed of, by mass, 21-65% of Bayer-process red mud, 9-38% of urban domestic waste incinerator slag, 4-23% of excitant, 3-15% of pore forming agent and 5-10% of binder. The porous ceramic filter ball prepared by the method has the advantages of high porosity, uniform pore distribution, large specific surface area, high water absorptivity, high dephosphorization ability and speed and resistance to hydraulic impact, is excellent in various physiochemical properties, can be applied in water dephosphorization and can realize solid waste cooperative treatment and recycling and reduce solid waste accumulation.

The invention discloses hydrogel with multiple response function and a preparation method and application thereof; the preparation method of the hydrogel comprises the steps of adding hydrogel material, acryloyl chloride and triethylamine into a solvent, and reacting under ice bath to obtain modified hydrogel material; adding diselenide-diol, acryloyl chloride and triethylamine into a solvent, reacting under ice bath to obtain modified diselenide with C-C double bond; mixing the modified hydrogel material solution with the modified diselenide solution, adding a photo-polymerization initiator, and irradiating in ultraviolet at 20-40 DEG C to generate hydrogel having multiple response function. The hydrogel material is responsive to temperature, light and redox, quick gelling can be achieved by adjusting temperature, bulk concentration, photo-polymerization initiator concentration and a light source, the hydrogel is easy to form and has excellent mechanical properties and biocompatibility, and redox responsiveness of the hydrogel helps load different drug molecules and release them effectively.

The invention discloses a vehicle-mounted monitoring system and method for a three-way catalytic converter for a vehicle. The system comprises a signal acquiring and processing circuit, an analog/digital (A/D) conversion circuit connected with the input end of the signal acquiring and processing circuit, as well as a fault indication lamp circuit and a fault alarm circuit which are connected with the output end of the signal acquiring and processing circuit, wherein the input end of the A/D conversion circuit is connected with a front oxygen sensor and a rear oxygen sensor. The method comprises the following steps of: 1, acquiring and processing voltage signals output by the front oxygen sensor and the rear oxygen sensor in real time; 2, judging whether the front oxygen sensor and the rear oxygen sensor start working effectively; 3, judging whether the three-way catalytic converter works normally; and 4, sending out a fault alarm signal. The system has the advantages of simple structure, rational design, convenience for use and operation, economy and practicability, high data processing speed, high data processing capability, high precision, high practical value, good use effect, no influence on emission and convenience in popularization and use.

The invention provides a new mode for building a large scale vessel and manufacture of arch body combined members and application thereof. The invention is characterized in that: a certain quantity ofarch body combined members or high-intensity constitutional units which are formed by the arch body combined members and tensioned linear materials and have prestressing force are assembled and arranged according to a certain mode and connected to be the arch body combined members or the constitutional units with larger size; when reaching the needed size, the arch body combined members or the constitutional units can be used as various large scale vessels, or be used by being arranged and connected into the other various large scale vessels with needed shapes.

The invention discloses a Zigbee wireless communication device, which comprises a CC2530 single chip, an antenna, a crystal oscillator with the frequency of 32MHz and a terminal, wherein in the CC2530 single chip, an RFN end and an RFP end are connected with the antenna; a P2.3 end and a P2.4 end are connected with the crystal oscillator with the frequency of 32MHz; and a P0.2 end and a P0.3 end are connected with the terminal. The Zigbee wireless communication device can overcome the defects of short communication distance, low communication speed, low penetrating power and the like in the prior art so as to achieve the advantages of long communication distance, high communication speed and high penetrating power.

The invention provides a composite material for accelerating formation of aerobic granular sludge as well as a preparation method and application of the composite material. According to the invention, an aerobic granular sludge rapid construction system based on the porous carbon and iron-based material composite nanomaterial is constructed, and the porous carbon and the iron-based material are added to prepare the composite nanomaterial, so that the forming speed of the aerobic granular sludge is remarkably increased; compared with the composite nano material which is added with an inert material and is not added with the material, the time of the composite nano material prepared by the invention is shortened by 30-50%. The prepared aerobic granular sludge is good in stability after being mature and can resist large impact loads, the quality of treated sewage reaches the first-grade A standard, the treatment capacity on conventional pollutants is improved by 10%-30%, and compared with a conventional aerobic granular sludge technology, the aeration rate and occupied land are saved, and energy consumption is reduced by 10%-30%.

The invention discloses a garment tailoring device. The garment tailoring device comprises a working table, a fabric fixing plate, first electric telescopic rods, a cutting frame, a bearing, a motor,a lead screw, a sliding block, fabric securing plates, fixing nuts and power switches. The fabric fixing plate is mounted on the top of the working table. The fabric securing plates are mounted at thefour corners of the fabric fixing plate. The fixing nuts are mounted on the fabric securing plates. The first electric telescopic rods are mounted on the two sides of the working table. The cutting frame is mounted at one ends of the first electric telescopic rods. The lead screw is arranged in the middle of the cutting frame. The bearing is mounted at one end of the lead screw, and the motor ismounted at the other end of the lead screw. The sliding block is mounted on the lead screw. The power switches are mounted at one end of the working table. The garment tailoring device can cut garments quickly, can cut different parts of the garments, can quickly fix the garments and is high in flexibility, high in speed and efficiency, strong in overall stability, simple in structure and convenient to popularize.

The invention discloses a mud-water balance type rock pipe jacking machine and solves technical problems of proneness to breakage, low speed, low safety, low environmental friendliness and expensiveness in existing rock crushing. The mud-water balance type rock pipe jacking machine comprises a front barrel, a rear barrel, a crushing chamber component, a cutter disc component, a cutter disc drivingunit, an electrical control system and a hydraulic control system. The front barrel and the rear barrel are connected through corrective oil cylinders which are connected with displacement sensors, and a steel wire and a seal ring are mounted between the front barrel and the rear barrel. The crushing chamber component is mounted at one end, away from the rear barrel, of the front barrel; the cutter disc component is mounted at one end, away from the front barrel, of the crushing chamber component. The cutter disc driving unit is positioned in the front barrel and the rear barrel, a speed reducer of the cutter disc driving unit is connected with a gear shaft, and a grinding plate is mounted between the crushing chamber component and the interior of the front barrel. The mud-water balance type rock pipe jacking machine is high in construction precision, convenience and safety in ground centralized control, remarkable in project comprehensive benefits and technically suitable for extensive large and medium sized cities.

The invention relates to the field of molecular diagnosis of biological species and discloses a real-time fluorescent RT-PCR detection method, primer and probe for an oat mosaic virus and a kit. The detection method comprises the following steps: (S1) extracting total RNA of plant tissue from a to-be-detected sample; (S2) introducing a downstream primer OMV-R1 for synthesis of a reverse transcription template cDNA by employing the total RNA as a template; (S3) putting an upstream primer OMV-F1, the downstream primer OMV-R1 and a fluorescent probe OMV-P into a fluorescent quantitative PCR instrument for real-time quantitative fluorescent PCR amplification reaction; and (S4) reading a Ct value to judge the detection result through the fluorescent PCR instrument. A specific primer and a fluorescent probe are designed for a quarantine pest oat mosaic virus; a method for quickly detecting OMV through real-time quantitative fluorescent RT-PCR is built; the method has the advantages of being simple in detection method (closed tube in the whole process and free of electrophoresis detection), high in speed, quantitative, accurate, high in specificity and high in sensitivity, and is suitable for various inspection and quarantine institutions in China for quarantine identification of the quarantine pest oat mosaic virus.

The invention aims to provide a technology for treating a water-level-fluctuating zone through biological geomembrane bags. The water-level-fluctuating zone is reinforced through the biological geomembrane bags, meanwhile, small arbors, shrubs and low plants such as grass and moss are introduced into the water-level-fluctuating zone, stereoscopic greenbelts strewn at random are built, and the cooperative governance capability of the water-level-fluctuating zone to a water body is further enhanced while the water-level-fluctuating zone is beautified.

The invention discloses an optical time-domain reflectometer based on a DSP. The optical time-domain reflectometer comprises an OTDR unit; the OTDR unit comprises a DSP unit; furthermore, the DSP unit is connected to a power supply unit and an operation unit through an electric conductor; the DSP unit is connected to a FPGA unit through the electric conductor; the FPGA unit is connected to a display unit through the electric conductor; the FPGA unit is connected to a laser emission control unit, a laser unit, an optical fibre coupler unit, an APD unit, a signal amplification unit, an A/D conversion unit and a FIFO unit through the electric conductor; the laser emission control unit, the laser unit, the optical fibre coupler unit, the APD unit, the signal amplification unit, the A/D conversion unit and the FIFO unit are sequentially connected electrically; furthermore, the FIFO unit is connected with the FPGA unit through the electric conductor; and the optical fibre coupler unit is connected to an optical fibre unit to be tested through the electric conductor. By means of the optical time-domain reflectometer based on the DSP disclosed by the invention, a detection result can be obtained more accurately and rapidly; furthermore, the specific position information of a fault point can be obtained accurately; and the optical time-domain reflectometer is relatively high in practicability, high in transmission precision, rapid in speed and high in anti-interference capability, and can be suitable for many changes in a network.

The invention relates to the field of test equipment and intelligent monitoring, in particular to a rotating speed real-time test system based on data acquisition and a control method. The system comprises a rotating speed real-time test unit, a data acquisition system, a control signal processing module and a control center. The rotating speed real-time test unit comprises an isolation module, apower supply module and a frequency voltage conversion module, the data acquisition system judges a rotating speed voltage and a pressure signal by acquiring the rotating speed voltage and the pressure signal, and the control signal processing module is used for processing a control signal generated by the data acquisition system; and the control center is used for testing and monitoring the rotating speed in time according to the signal generated by the control signal processing module. Real-time testing of the output pulse frequency of the rotating speed sensor can be realized, rapid interpretation is performed according to the frequency and the pressure, and a feedback signal is sent to the control center so that the reliability and the accuracy of real-time testing and control of the test can be enhanced, the test measurement and control level can be enhanced and the test measurement and control range can be expanded.

The invention discloses a juice machine which comprises a cup body, a cup seat, a machine body, an electrically-driven transmission device and a blade, wherein the cup body, the cup seat and the machine body are sequentially assembled, the blade is positioned in the cup body and used for rotary crushing, and the electrically-driven transmission device comprises an electromotor, a clutch and a cutter-shaft seat; and the blade is installed on the central rotating shaft of the cutter-shaft seat positioned on the cup seat, the cutter-shaft seat and the clutch are in detachable clamping connection, the electromotor is assembled in the machine body, the rotating shaft of the electromotor and the clutch are installed through tight fit, the electromotor is electrically connected with an electronic control system with the action of overheating and overcurrent double protection, and a cup cover is matched with and arranged on the cup body. The juice machine has the functions of double overheating and overcurrent protection, multi-gear speed regulation and electric ice crushing, has the advantages of simple operation, uniform stirring and novel appearance design and shows luxury and elegance.

The invention relates to the technical field of detection, in particular to an anaerobe liquid-phase chip inspection method. The detection method comprises the following steps of step A, designing a primer and a probe; step B, establishing a multiple RT-PCR reaction system; step C, establishing a liquid-phase chip detection system; and step D, performing detection. The detection method is based ondesign basis of 16S rDNA molecule subtypes, through combination of a multiplex PCR reaction, a Luminex technique is used as a platform, the liquid-phase chip method is established, and besides, the method is used for detecting 9 anaerobe nucleic acids which are common in clinical application and is convenient to operate, free from requirement for viable bacteria, high in flux, high in sensitivity, high in speed, high in specificity and low in cost. Timely and accurate information can be provided for clinical application, medical resources are saved, the medical treatment charge is effectivelyreduced, early diagnosis of anaerobe is favorable for early treatment of clinical application, the hospitalization period of patients is effectively shortened, the medical treatment charge of the patients is reduced, and joint medical resources are saved.

The invention belongs to the technical field of mineral flotation, and particularly relates to an alkyl ether dithiophosphate collecting agent and a preparation method and application thereof. According to the invention, the ether alcohol compound and phosphorus pentasulfide react for the first time to obtain the dithiophosphate collecting agent containing the ether functional group. The collecting agent has a certain foaming property, can remarkably improve the flotation efficiency and the metal flotation recovery rate, is an excellent collecting agent for non-ferrous metal sulfide minerals, and is wide in preparation raw material source, simple in process and easy to industrialize. When the collecting agent is compounded with a traditional collecting agent, the flotation performance of sulfide ore can be further improved.