87results about How to "Self-regulating" patented technology

A response control method for the lower voltage traversing of a wind generating set is characterized in that changing situation of the voltage us of a power network is detected at any time; the power the voltage us of the power network is compared with a reference value of the voltage us of the power network, and a wattless current iqref<*> as well as an effort current idref <*> are obtained by an obtained difference value Delta u through a PI adjustor; the wattless current iqref<*> is taken as the reference value for the inner loop control of the circuit to cooperate with the control strategies of the outer loop of the voltage and the inner loop of the circuit to control a network side inverter and restrain the depreciation of the voltage of the power network as well as the effect loss of the compensating chain of the effect circuit idref<*>. Under the situation that the voltage of the power network declines instantly, the invention can flexibly feed corresponding reactive powers according to requirements, adjust the effect power correspondingly as well, lead the wind generating set to reach a transmission reliability standard similar to a fire generating set, and has the capacity of self adjustment.

The invention discloses a sewage filter plant, which comprises a support, a water inlet channel, a rotating disc, a rotating shaft, a water scouring sprayer, a driving motor and a speed reducer. Two filters capable of switching are arranged on a suction opening pipeline of a water pump, a pressure sensor automatically detects a water pressure setting value, when blocked, a filter screen is automatically replaced and cleaned, the total process is finished instantly, and the water pump does not stop. The sewage filter plant has the advantages of simple structure, low cost and power consumption, capabilities of effectively avoiding blockage due to dirt and guaranteeing stable operation of a system, and the like.

The high vacuum heat insulating low temperature liquefied gas storing tank includes frame and tank body. The tank body consists of outer casing, inner container and combined support structures connecting the outer casing and the inner container. The combined support structures are set between the inner sealing head and outer sealing head on two ends of the tank to bear the radial load and the axial load with great bearing force. The heat conducting area between the inner container and the outer casing is small, and the inner container has great effective loading volume.

The invention discloses a cloud-based whole house intelligent system, which comprises a mobile terminal, a cloud platform, an intelligent gateway and intelligent terminal equipment, wherein the cloud platform is connected with the mobile terminal and the intelligent gateway in an encrypted communication mode, and the intelligent terminal equipment is connected with the intelligent gateway in a wireless communication mode. The cloud-based whole house intelligent system relates to the relevant technologies of sensor, intelligent gateway, cloud computing and data mining, and establishes a service model by utilizing big data mining and analysis at the cloud side, so that domestic intelligent hardware can have the self-learning, self-triggering, self-adjustment functions and the like.

The invention discloses a solar photovoltaic power generating system supporting frame which comprises a base, a fixed mounting plate, a pin seat, a movable mounting plate, a guiderail, a slide block, bearing seats, a driving lead screw, a driving motor, a connecting rod and photovoltaic power generating boards. The pin seat is fixedly arranged at the front end of the fixed mounting plate. The front end of the movable mounting plate is connected with the movable end of the pin seat. The guiderail is fixedly connected with the fixed mounting plate. The slide block can slide on the guiderail. Furthermore the slide block is provided with a threaded hole. The bearing seat is fixedly mounted on the fixed mounting plate. The bearing seats are arranged at the front end and the back end of the guiderail. The driving lead screw is connected with the slide block through a thread. The output shaft of the driving motor is fixedly connected with the driving lead screw. Two ends of the connecting rod are respectively connected with the slide block and the movable mounting plate through pins. The photovoltaic power generating boards are mounted on the upper end surface of the movable mounting plate. The solar photovoltaic power generating system supporting frame has advantages of simple structure, automatic operation, self production from wind and sand, etc.

The invention discloses an upflow blanket filter (UBF) anaerobic reactor with a filter layer on the top and for treating chemical wastewater. The UBF anaerobic reactor comprises a reactor, a water distribution device, a sludge expanded bed, a three-phase separator, an effluent collecting device and a methane circulating device and is characterized in that the three-phase separator is arranged in the middle of the reactor; the sludge expanded bed is arranged at the lower part of the three-phase separator; a biological filling region is arranged at the upper part of the three-phase separator; the biological filling region comprises filling and a biological membrane; and the biological membrane is formed by attaching anaerobic microorganisms to the surface of the filling. The UBF anaerobic reactor is suitable for treating the chemical wastewater which has high salt content and low suspended matter content and is difficult to degrade; and gas lift internal circulation is adopted, namely methane generated in the reactor is collected by the three-phase separator and internal circulation is realized by using the methane as the lifting powder and without external mechanical power.

The present invention relates to the new use of high solubility berberine in preparing medicine. The high solubility berberine may be dissolved in 500 times of water and is easy to be absorbed by human body to make best use and raise curative effect. It may be used in treating and preventing hypertension, hyperlipemia, arrhythmia, heart disease, hepatitis, etc.

The invention discloses an insulated fireproof bus duct, which comprises a shell and a conductor, wherein the shell consists of a side plate and a cover plate which are connected with each other through a fastener to clamp the conductor; the inner wall of the shell is sprayed and coated with fireproof materials; the conductor is coated by a high temperature resistant reinforced mica tape and externally coated by an insulator heat shrinkage sleeve; an interphase and a terminal are provided with spacer blocks made of inorganic glass fiber reinforcing materials; and the side plate and the conductor are riveted and fixed on a joint through a butterfly spring. The insulated fireproof bus duct can be fireproof for a long time, and the conductor is coated by the high temperature resistance reinforced mica tape and externally coated by the insulator heat shrinkage sleeve; the spacer blocks are made by pressing the inorganic glass fiber reinforcing materials, so that the spacer blocks are noncombustible and inexplosive and have good mechanical property; the inner wall of the shell is sprayed and coated with the fireproof materials, so that the back-fire temperature is reduced or the fireproof time is prolonged; and the butterfly spring has the function of automatic regulation to make the pressure uniformly applied to the contact surface, so that the contact resistance and the temperature rise are reduced. Moreover, the insulated fireproof bus duct has large capacity, low line loss, high short-circuit strength and good heat dispersion.

The invention relates to a busway unit connecting device which is used for connecting the compact busway trough units. The device is structured into a connector assembly by two insulated clapboards 1, eight conductive connecting plates, six insulated clapboards 2, three connector heat dissipation slices, a connector press plate, a connector sleeve pipe, a disk spring, a insulated sleeve pipe and a four-phase busway trough bar. As showed in the figure, the two insulated clapboards 1, the six insulated clapboards 2 and the eight conductive connecting plates clamp the four-phase busway trough bar by groups; the two insulated clapboards 1 are arranged at the furthest outside of the connector assembly. The middle parts of the insulated clapboards 1, the conductive connecting plates, the insulated clapboards 2, the connector heat dissipation slices and the connector press plate are all provided with connecting holes; a bolt connection pair with external hexagonal angles is invaginated into the insulated sleeve and then perforates the connecting holes and is nested by the connector press plate and the connector sleeve pipe; the connector press plate is tightly pressed after the nut is fastened. A protection cover is formed by two up and bottom connector cover plates and two left and right connector side plates at the periphery of the connector assembly.

The invention relates to a multi-chamber fluidized bed reactor, which can realize fast and high-throughput flow of the particle material from an upstream chamber to a downstream chamber, while avoiding particulate material backmixing and back flow between adjacent chambers. The multi-chamber fluidized bed reactor is composed of an air inlet (1), an air outlet (2), a feed port (3), a discharge port (4), a wind chamber (5), an air distributor plate (6), a fluidizing chamber (7) and n material flow controllers (8), wherein n is more than or equal to 1; and each material flow controller (8) comprises a partition (9), an orifice (10), a material down flow tube (11) and a bottom baffle (12). The partition divides the fluidized bed reactor is divided into n+1 secondary fluidizing chambers, the air inlet is connected to the air chamber, the air outlet is connected to the upper part of the fluidizing chamber, the feed port is connected to the first secondary fluidizing chamber, and the discharge port is connected to the No. n+1 fluidizing chamber.

The invention relates to an elevator guide rail quality detecting device which comprises two plumb lasers independently fixed on the ground, a reflector and a camera. The reflector is fixed below thebottom bodies of grippers on the two sides of an elevator guide rail crawling robot; the camera is fixed on the inner side of a stabilizing arm unit; a pair of traction wheels and a pair of gripper wheels of the elevator guide rail crawling robot always cling to the elevator guide rail and crawl along the guide rail; the laser rays of the plumb lasers separately shine to the positions near to thecenter of the reflector; the camera shoots laser points generated on the reflector without stop; guide rail quality variation is directly converted into position changes of the reflector and the camera in the horizontal direction; and the straightness and other quality conditions of the elevator guide rail can be measured through treating each crawling information of the robot and the position data of the laser points. The elevator guide rail quality detecting device is convenient to use and mount and easy to operate, and has the advantages of being low in cost, high in resolution, measuring precision and efficiency and wide in building applicable range.

The invention discloses a tandem type dry gas sealing device for an industrial steam turbine. The device comprises two groups of rotary sealing components and two groups of static sealing component arranged in tandem. Each group of the rotary sealing component comprises a movable ring and a movable ring base. Each group of the static sealing component comprises a seal cartridge fixed in the shell,and further comprises a static ring and a corrugated pipe coaxially arranged with a shaft sleeve. Under the action of own elastic force, an inner side end face of the corrugated pipe relies on an external side end face of the static ring, thus, a contact seal structure is formed. The static ring is arranged between the corrugated pipe and the movable ring, and is in floating connection with the seal cartridge through a stop pin. When the movable ring rotates with a steam turbine shaft, the external side end face of the movable ring and the inner side end face of the static ring form a non-contact gas film lubrication state. Since the movable ring and the static ring have self-adjusting capability, stable gas film lubrication non-contact seal is formed between the movable ring and the static ring, thus, high pressure steam is sealed in the steam turbine, zero-leakage seal for the steam in the steam turbine is realized, and energy conversion efficiency of the steam turbine is improved greatly.

The invention discloses a segmentation method for live pig images in complex environment. The method comprises the following steps: obtaining the live pig images in real time; establishing a Cartesian coordinate system; conducting gray scale conversion to live pig images to be segmented for gray scale pictures of a live pig followed by a process for the gradient pictures of the live pig; segmenting and extracting for an initially segmented image; performing calculations on the initially segmented image; removing the connected domain for a second segmented image; calculating to obtain an object, the size of the object, the light intensity and the distance; constructing a biased swelling element; calculating the shadow compensation coefficient; processing the second segmented image for a fourth segmented image; and processing in accordance to the fourth segmented image and in combination with the second segmented image for a fifth segmented image. The method of the invention can effectively tell a pig body from a live pig image in a pig house with complicated environment. It can also process consecutively in batches and can be self-adjusted, which makes the method suitable for processing images monitoring live pigs for a long time and helps realize the automatic monitoring to live pigs.

A super-vacuum insulation tank for cryogenic liquefied gas comprises a framework; and a tank body including an outer shell, an inner vessel, and a combined support structure connecting the outer shell and inner vessel. The combined support structure is only provided between the dome ends of the out shell and inner vessel at both ends of the tank, which can bear the force in both radial and longitudinal direction. The conduction heating surface between the inner vessel and the outer shell is small, but the support structure can bear heavy load, and the effective shipment volume of the inner vessel is large.

The invention discloses a speed reduction transmission device. By means of the speed reduction transmission device, speed reduction transmission can be effectively carried out, the overall structure is reasonable, the matching accuracy is high, running is stable, and it can be guaranteed that the instant position fluctuations of all structures are small and errors and accumulative errors are fewer, and the transmission accuracy can be effectively guaranteed. The speed reduction transmission device comprises a tank body, a power motor, an upper worm, a lower worm and a transmission worm gear; and the upper worm and the lower worm are provided with an upper gear and a lower gear respectively, the lower worm is connected with the power motor, the upper worm and the lower worm are connected with the transmission worm gear in a matched manner, the upper gear and the lower gear are located outside the tank body, and the upper gear is meshed with the lower gear. Helical teeth of the upper worm and helical teeth of the lower worm are the same in tooth shape, the lower worm gear comprises a worm gear shaft and a sliding sleeve, the helical teeth of the lower worm are located on the sliding sleeve, and the sliding sleeve is in sliding connection with the worm shaft; and the worm shaft is provided with a limiting neck, a compensation gap is reserved between one end of the sliding sleeve and the limiting neck, and the other end of the sliding sleeve is pressed by a self-adjusting spring.

The invention relates to an infrared gesture recognition device and a recognition method. The infrared gesture recognition device comprises an infrared receiving tube, an infrared compensation tube, adriving module, a control module and a plurality of infrared emission tubes which are integrated on a PCB, wherein the infrared receiving tube, the infrared emission tubes and the infrared compensation tube are respectively arranged on the back of the PCB; open holes are formed in positions corresponding to the infrared receiving tube and the infrared emission tubes on the PCB and are used for emitting and receiving infrared ray from the front of the PCB; the infrared compensation tube is used for emitting infrared ray into the PCB. Compared with the prior art, infrared emission units and aninfrared compensation unit of the device adopt proportional circuits based on mirror current sources, so that the current in the device has certain self-regulation capability and good constant-currentcharacteristic, and the device has high temperature stability; meanwhile, compared with the prior art, the device is capable of removing the interference of the background environment light and solves the disadvantage that the infrared gesture module is influenced by the environment light at present; the reliability and the stability are improved.

The invention relates to a litopenaeus vannamei culture method based on a microorganism-aquatic plant-marine fish multistage biological system, wherein high-density culture without changing water canbe achieved. According to the method, a microorganism, aquatic plant and fish multistage culture system is built, staged high-density culture of litopenaeus vannamei is implemented, two stages includea high-density culture stage of a young litopenaeus vannamei pond and an amplification culture stage of a large pond in the development period of young litopenaeus vannamei, the survival rate and theyield of the litopenaeus vannamei are increased, and ecological benefits, economic benefits, resource conservation and the like in a culture system are remarkable.

The invention provides a mould structure of a slender tubular product, which is used for ensuring the reliability in locating a slender mould core of a back mould, preventing a manufactured product from being eccentric, ensuring that the wall thickness of the product is even, and further enabling the product to meet the technical requirements. The mould structure of the slender tubular product comprises a front mould, a back mould, a tube body excircle mould core, a slender mould core and a fixed shaft sleeve, wherein a cavity among the front mould, the back mould, the tube body excircle mould core and the slender mould core is a diccavity; the fixed shaft sleeve is sleeved on the excircle surface at the middle-lower part of the slender mould core; and the bottom of the slender mould core is tightly fixed on a fixed plate. The mould structure of the slender tubular product is characterized in that a gap between the fixed shaft sleeve and the slender mould core is internally provided with a steel ball liner in a filling manner, the steel ball liner is sleeved on the excircle surface of the slender mould core, and the outer surface of the steel ball liner is attached to the inner circle surface of the fixed shaft sleeve.

The invention belongs to the technical field of food production, and in particular relates to functional food for preventing and treating cardiovascular and cerebrovascular diseases and a preparation method thereof. The functional food for preventing and treating cardiovascular and cerebrovascular diseases comprises the following components by weight: 10%-20% of nattokinase, 10%-20% of nitric oxide, 5%-10% of coenzyme Q10, 30%-50% of a red yeast rice extractive and 20%-25% of a ginkgo biloba extractive. Functional components with good effects in resisting cardiovascular and cerebrovascular diseases are combined scientifically and rationally; the functional food on the basis of dissolving thrombus, garbage and toxins deposited in blood vessel can enhance the elasticity and permeability of blood vessels, so as to reach the goals of clearing blood lipids and reducing blood pressure; and the coenzyme Q10 added in the functional food can protect the heart function, and enhance the body's own ability to reduce cholesterol and blood lipid. Through LD50 acute toxicity test, 30 days feeding test, and crowd efficacy observation experiments, the functional food provided by the present invention is proved to be safe, nontoxic and effective.

The invention discloses an aquaculture method for increasing economic benefits of penaeus vanmamei. The aquaculture method includes steps of S1, pretreating ponds; S2, releasing young penaeus vanmamei, to be more specific, disinfecting the young penaeus vanmamei, then releasing the young penaeus vanmamei and releasing 24-40 fishes with the body weights of 300-600 g to each mu of ponds after 16-18days; S3, managing feed, and to be more specific, feeding the young penaeus vanmamei with the feed by 2-3 times per day; S4, carrying out water quality management; S5, carrying out daily management. The aquaculture method for increasing the economic benefits of the penaeus vanmamei has the advantages that aquaculture processes are optimized, resource utilization can be improved by mixed aquaculture modes, and the penaeus vanmamei can quickly grow and develop; the water change volumes can be reduced by the aid of self-regulating ability of water, and water pollution can be abated; outbreak andepidemic of bacterial diseases and viral diseases can be effectively inhibited, the penaeus vanmamei is invulnerable to threat of floccosoids, and accordingly the yield of the penaeus vanmamei and theeconomic benefits of penaeus vanmamei aquaculture can be effectively increased.

The present invention discloses a beam string structure and an application and construction method thereof, the beam string structure comprises a cantilever 5 and a strut bar 3, the cantilever is provided with an upper cable 1 and vertical bars 2, a steadying cable 4 is arranged under the cantilever, and therefore a single-frame beam string structure 7 is formed. A bearing 6 is arranged on the end of the cantilever, which is connected with the bearing by a hinged shoe. The beam string structure provided by the present invention can array the single-frame beam string structures along an annular direction, which are connected together by ring beams to form a cantilever roof structure. The beam string structure is applied to the cantilever roof structure of a stadium. The beam string structure provided by the present invention has three advantages: (1) the one-end constraint can be realized, so that the present invention can be applied to the cantilever roof structure of the stadium; (2) the components mainly bear axial force, thus sufficiently exerting the strength of materials; (3) the structure has functions of self regulation and self protection.

The invention relates to a codon optimization method based on an immune algorithm. The codon optimization method is characterized in that an immune algorithm and a genetic algorithm are sequentially used for respectively carrying out local multi-objective optimization and global multi-objective optimization on a protein coding sequence, and then an exhaustion method is used for carrying out fine tuning optimization on the sequence, so that an optimal expression sequence is searched to the greatest extent. According to the codon optimization method based on an immune algorithm, the characteristics of random global parallel search of the genetic algorithm are reserved, and immature convergence is avoided to a great extent, and rapid convergence to a globally optimal solution is ensured. According to the codon optimization method based on an immune algorithm, the advantages of accuracy and efficiency of an immune algorithm and a genetic algorithm are combined and utilized for the first time; codon optimization is carried out through a step-by-step process (sequentially including local optimization, global optimization and fine tuning optimization); and the high efficiency of codon optimization carried out through the algorithm is proved through instance testing.

The invention discloses an outdoor electrical control cabinet with dehumidifying and cooling functions, and a control method therefor. A dehumidifying and cooling apparatus equipped with a condensing and water-collecting assembly and a semiconductor refrigerating part is provided for performing dehumidifying and cooling on the interior of the control cabinet, and discharging condensed water out of the cabinet so as to avoid influence from tropical island weather on the electrical control cabinet installed outdoors, and to solve the problems that an internal PCB, a circuit board, an electronic clamp part, a CPU and the like suffer from moisture, corrosion, breakdown, damage and the like; therefore, constant-temperature and stable operation of the electrical control cabinet is ensured, thereby satisfying requirements of tropical island plant establishment and normal operation; in addition, solar energy power generation can be performed automatically according to solar intensity; and the electrical cabinet can be subjected to grid connection with the mains supply for realizing power supply, so that the dehumidifying and cooling functions are improved, and automatic regulation is achieved according to weather changes.

The invention discloses a corner connector for connecting a frame and the frame. The frame includes aluminum alloy frame sections used for forming the frame, connected through an inclined surface and provided with frame walls vertical to the surface of the frame, and a corner connector, and is characterized in that the corner connector includes an inner angle curved plate, an outer angle curved plate, at least an ejector rod and a screw, wherein the ejector rod is arranged at the angle of the inner angle curved plate along the center line of the angle of the inner angle curved plate and propped against the angle of the outer angle curved plate; at least one screw sequentially penetrates the frame wall of the aluminum alloy frame sections; and the angle plate screw of the inner angle curved plate is connected with the corresponding angle plate of the outer angle curved plate in a penetrating way. The invention has the advantages that the corner connector for connecting the frame and the frame are firm to connect, are capable of self adjusting, and are strong in connecting and fixing applicability as compared with the prior art.

A method for constructing a reed nunja at the side of water body in order to clean water and suppress the eutrophication of water body includes such steps as low temp activating of reed rhizome, cutting short to become segments with one dormant bud for each segment, planting them on the bed isolated with water body at the intervals of 40-60 cm in the season at 15-25 deg.C, flooding the bed after the segments of reed rhizome are survival, and natural reproduction.

An actuator suitable for a washing machine lid lock employs a shape memory alloy wire indirectly heated by a temperature regulating heater that provides a sliding coupling to the wire and that may be driven, for example, directly by line voltage without the need for temperature regulation circuitry.

The invention discloses accessories at the corners of stair railing surface pipes, comprising bodies and rotating components, wherein the bodies are provided with first butt joint ends in butt joint with the railing surface pipes at the corners of the stair railing; the rotating components are cylindrical, with one end sealed and the other end open; the open ends of the rotating components are second butt joint ends in butt joint with another railing surface pipes; the sealed ends of the rotating components are provided with more than two chutes which are parallel to each other; fastening bolts penetrate through the chutes; and the rotating components are connected and fixed with the bodies by locknuts sleeved on the fastening bolts. The accessories have the advantages of simple structures, adjustable angles and strong adaptability. The invention also discloses the stair railing provided with the accessories.

A response control method for the lower voltage traversing of a wind generating set is characterized in that changing situation of the voltage us of a power network is detected at any time; the power the voltage us of the power network is compared with a reference value of the voltage us of the power network, and a wattless current iqref<*> as well as an effort current idref <*> are obtained by an obtained difference value Delta u through a PI adjustor; the wattless current iqref<*> is taken as the reference value for the inner loop control of the circuit to cooperate with the control strategies of the outer loop of the voltage and the inner loop of the circuit to control a network side inverter and restrain the depreciation of the voltage of the power network as well as the effect loss of the compensating chain of the effect circuit idref<*>. Under the situation that the voltage of the power network declines instantly, the invention can flexibly feed corresponding reactive powers according to requirements, adjust the effect power correspondingly as well, lead the wind generating set to reach a transmission reliability standard similar to a fire generating set, and have the capacity of self adjustment.

The invention discloses a drinking water treatment method for stabilizing water quality. The treatment method comprises the following steps of: (1) performing carbon dioxide aeration on drinking water; (2) allowing the aerated drinking water to flow through limestone and contacting; and (3) performing carbon dioxide degassing on the drinking water to remove redundant carbon dioxide. By the treatment method, the alkalinity and hardness of the drinking water can be improved effectively, the pH value of the drinking water can be stabilized, the chemical stability of the water quality can be improved, and heavy metal such as lead, copper, manganese and the like in the water can be removed.

An internal compression type rubber self-sealing flange connection pipeline universal joint comprises an outer sleeve and an inner sleeve. One end of the inner sleeve is sleeved with one end of the outer sleeve, and a sealing device is arranged on the sleeving portion. The universal joint is characterized in that the sleeved end of the inner sleeve is provided with a sphere pipe part; the two ends of the outer spherical surface of the sphere pipe part are matched with a spherical surface on the inner wall of the outer sleeve and a spherical surface arranged on the inner wall of a pressing flange respectively; the pressing flange is connected with the outer sleeve through a bolt to fix the sphere pipe part; the sphere pipe part can freely rotate by a certain angle to achieve universal compensation; the pressing flange, the inner wall of the outer sleeve and the middle of the outer spherical surface of the sphere pipe part form a closed cavity; a sealing ring is arranged in the cavity; an annular inner pressing cavity with the axial section being in a swallow-tail shape or a T shape is formed in the inner ring face of the sealing ring; the outer surface of the sealing ring makes contact with the pressing flange, the inner wall of the outer sleeve and the outer surface of the sphere pipe part; a certain number of inner pressing through holes are formed in the pipe wall, opposite to the opening of the annular inner pressing cavity, of the sphere pipe part, so that the annular inner pressing cavity is communicated with the inner cavity of the inner sleeve.