67results about How to "Long-term effective use" patented technology

The invention discloses a non-contact liquid level detection device and a non-contact liquid level detection method. The device comprises a detection plate, at least one sensing unit which is arranged on the detection plate at intervals, and a control detection unit which is arranged on the detection plate and is connected with the output of the at least one sensing unit, wherein the liquid level information is obtained by detecting capacitance change through a detection module which is synthesized by the control detection unit and the sensing units by using a CapSense inductive self-capacitance or mutual capacitance detection technology. The device disclosed by the invention is high in detection precision, low in cost and convenient to install and clean a container, can be used for satisfying the demand on most of liquid level detection, and is particularly suitable for being used on home appliances such as a humidifier, a purifier, a water purifier, a coffee machine and the like where the container is needed to be cleaned.

The present invention relates to high nutrient vegetable food, and is especially one kind of natural celery powder with the color and nutritious value of fresh celery maintained and its making process. The natural celery powder is made with celery as main material and through one wet process including the steps of washing, cutting, color-protecting pre-boiling, pulping, grinding, secondary treatment, blending, homogenizing, sterilizing, concentration, drying, sieving, packing, etc. The natural celery powder has the look, fragrance and taste of fresh celery maintained, and is instant and rich in nutritious components.

The invention discloses a method for making natural longan powder, which carries out the steps of cleaning of dried longan fruit pulp, blanching, beating, enzymatic hydrolysis, colloid milling, blending, homogenizing, sterilization, drying, powder collection, screening and the like, thereby preparing a longan powder product; and the processing is completed by adopting the mechanized continuous operation way. The longan powder prepared by the method can solve the problems of poor color, luster and solubility of the existing products, low product yield and the like. The technical scheme is characterized by introducing the treatment technologies of color protection, enzymatic hydrolysis and spray drying. The product keeps the flavor and the nutritional ingredients of longan and has natural color and luster, high solubility and good taste, and the making process does not add any pigments, essences, preservatives and other chemical substances, thereby having no side effects and being the pure natural fruit powder.

The invention discloses a degradable filter material biogas slurry filter and a filtering method of the degradable filter material biogas slurry filter. The degradable filter material biogas slurry filter comprises a box body, wherein a floating filter material filling hole and a fixed filter material filling hole are formed at the top of the box body, a liquid inlet is formed at the middle part of the box body, and a slag hole is formed at the bottom of the box body; the liquid inlet divides the inner cavity into a floating filter material chamber at the upper part of the liquid inlet and a sedimentation chamber at the lower part of the liquid inlet, a floating filter material is arranged inside the floating filter material chamber, the slag hole is communicated with the sedimentation chamber, and the floating filter material filling hole is communicated with the floating filter material chamber; and the fixed filter material filling hole is communicated with the floating filter material chamber by virtue of the fixed filter material chamber, a grid is arranged at a communication part, a fixed filter material is arranged inside the fixed filter material chamber, and the fixed filter material chamber is connected with a liquid outlet. By adopting the degradable filter material biogas slurry filter, flushing and back washing are not needed, the degradable filter material biogas slurry filter can stably operate for a long time while a filter material is supplemented periodically, and quality of filtered clear solution is stable and controllable.

The invention discloses a production method of high-nutrient hawthorn powder. A hawthorn powdery product which maintains original color, scent and taste of hawthorn and has good instant dissolution can be obtained by taking fresh hawthorn as main raw material, and processing by working procedures of softening, enzyme-added soaking and extracting, enzyme-inactivating, slag-separating, preparing, secondary treatment, mass-uniformity, atomization drying, powder collection, sieving, packaging and product warehousing. The product is fresh in color, good in dissolution, rich in nutrients and excellent in taste, superior powdery food is convenient for long-distance transportation, the invention provides a superior powdery food raw material beneficial for improving human physical fitness, and canbe widely applied to food, health care product and other industries.

The invention provides a device for coating an electrophoretic paint on a cathode made of a neodymium-iron-boron magnetic material under the condition of zero emission and a cathodic electrophoretic coating method by using the same. The device comprises a pretreatment tank, an electrophoresis tank, an overflow tank, an aftertreatment tank, a hanging tool, an ultrafiltrate storage tank, an ultrafilter, a spray tank, a collector and an ultrafiltrate cleaning tank. By the device, a product is subjected to spray cleaning and three-stage countercurrent cleaning by ultrafiltrate after being subjected to electrophoresis, the surface of the product is clean, and the product can be dried after being subjected to next deionized water spray cleaning, so that the problem that a cleaning agent is retained on the surface of a magnet to pollute the electrophoretic paint is solved, treatment work on an electrophoresis line is finished on the basis of environmental friendliness, the electrophoretic paint is recycled, and the zero emission of electrophoretic paint cleaning solution is realized.

The invention discloses an RFID-based maintenance recording system and method for workshop production equipment. The system comprises active RFID maintenance record storage tag, an RFID work card, a PDA with an RFID reading-writing device module, wherein the units are fixed on production equipment. The RFID maintenance record storage tag is an active RFID tag with an alarm indication lamp; the RFID work card is a wearable passive RFID tag and is capable of storing identity information of the equipment maintenance staff; and the PDA with an RFID reading-writing device module supporting dual-frequency conversion can read identity information of the work card and read and write maintenance information to the maintenance record storage tag. According to the system and method, the support from the workshop Ethernet network and the background database is not required; the reliability is high; remote communication s realized by using the RFID technology; the system can be used conveniently without short-distance scanning or induction; the maintenance record storage tag has the expiration alarming function; leak detection can be prevented; the maintenance record can be protected based on a PIN code and work card authorization, so that malicious tempering is prevented and the security is high.

The invention discloses a dustproof device of a swinging rod of a plastic circular weaving machine, and belongs to the field of plastic weaving machines. The dustproof device of the swinging rod of the plastic circular weaving machine resolves the problem that dust accumulates and affects the normal work of the swinging rod. According to the technical scheme, the dustproof device of the swinging rod of the plastic circular weaving machine mainly comprises a support, the swinging rod and a core shaft, wherein the two sides, located at the swinging rod, of the support are respectively provided with a supporting part, an installation hole is formed in the middle of the swinging rod, the core shaft is arranged in the installation hole, the two ends of the core shaft extend out of the installation hole to be connected with the supporting parts of the support, a bearing assembled with the core shaft is arranged in the installation hole, dustproof covers are arranged at the two ends of the installation hole and are arranged on the core shaft in a sleeved mode, the inner sides of the dustproof covers abut against the bearing, the supporting parts of the support abut against the outer sides of the dustproof covers, a circle of skirt edge is arranged at the edge of the inner side of each dustproof cover, annular grooves are formed in the two sides of the swinging rod, and the skirt edges extend into the annular grooves and are matched with the annular grooves. The dustproof device of the swinging rod of the plastic circular weaving machine is mainly applied to the plastic circular weaving machine.

The invention discloses a vehicle tyre self-complementing agent, which comprises the following parts: butyl latex, sodium salicylate, leveling O, composite freezing preventive, oleoyl p-methoxyl phenylamine thiophene sodium, carbon black, rubber flour, wood powder, sodium dodecylbenzene sulfonate, polypropylene fibre and water. The invention integrates cobra without leaking, which avoids tyre repair.

The invention discloses a substation prefabricated cable channel fireproof wall, and relates to the field of power transmission and distribution cable line channel fireproof fixing devices. The substation prefabricated cable channel firewall comprises a frame, steel bars and a fireproof insulating material, wherein the length of the frame is 800-1200mm, the width is 800-1200mm, the thickness is 350-400mm, the fireproof insulating material is fixedly connected to the internal part of the frame, the fireproof insulating material is provided with 16 cable threading holes, and the horizontal direction and the vertical direction of the frame are respectively provided with three steel bars. The substation prefabricated cable channel fireproof wall is mainly applied to power transmission and distribution cable line channels and substation cable layers, is mainly convenient for cable fixation, reduces the number of removing times of the cable fireproof wall, prevents expansion of a fire disaster caused by cable winding when a cable breaks down and is on fire, and ensures normal operation of a cable line.

The invention provides a wear-resistant pipeline compensator for electric power. The wear-resistant pipeline compensator for electric power comprises a compensator body, wherein the compensator body comprises a compensation pipe, a plurality of corrugated segments are arranged in the middle of the compensation pipe, a mounting ring is welded to the position, close to one opening, of the inner wallof the compensation pipe, a protective cover is arranged at the top of the mounting ring, and a wear-resistant pad is arranged at the top of the mounting ring. The mounting ring is directly welded tothe inner wall of the compensation pipe to provide positions for mounting the protective cover and the wear pad. The mounting ring, the protective cover and the wear-resistant pad are directly detachably fixed. After the protective cover and the wear-resistant pad are damaged, replacement can be carried out, and the pipeline compensator can be prevented from being directly replaced. The wear-resistant pad can achieve a protective effect on the mounting ring. Slag enters the compensation pipe from one end provided with the wear-resistant pad and makes direct contact with the wear-resistant pad, so that the mounting ring can be protected, and long service life of the mounting ring is ensured.

The invention discloses advertising equipment which comprises a curtain and a projector. The curtain is integrally installed to the inner wall of an elevator car, and the projector is arranged on thetop of the elevator car. The projector is connected with a host through a data line, the host is in signal connection with a central control system, the central control system controls play data of the host, a lens of the projector is provided with a detection device, and the detection device is electrically connected with a controller. The controller is connected with power supply equipment and the central control system. Since advertising is carried out in the mode of installing the projector inside an elevator, the eyes of consumers can be caught, the advertising acceptability is greatly improved, management control over adverting is also facilitated, the advertising cost is greatly reduced, the equipment structure is simple, installation and operation are convenient and fast, and the using value is good.

The invention relates to a long-term governance method for converting saline-alkali soil into fertile farmland, comprising the following steps: (1) digging a deep hole on the saline-alkali soil; (2) filling filler on the bottom of the dug deep hole to form a saline-alkali discharging filler layer; (3) digging a saline-alkali discharging ditch communicated with the underground saline-alkali discharging filler layer, and putting earth slope banks around the saline-alkali discharging ditch; and (4) discharging saline alkali by naturally raining or irrigating the whole saline-alkali soil. The filler layer is arranged, the principle of 'salt comes and leaves with water' is utilized, and the method that salt moves downwards and the filler layer cuts off an evaporation channel by irradiation or raining to cause the salt to move upwards is adopted, so that the content of the salt in a ploughing layer is lowered, and the salt can be prevented from moving upwards and gathering so as to obtain the effective long-term governance effect. The filler layer in the manufacture method is characterized by distributing materials in the mode of multiple dimension and multidimensional grading, the filler layer has the characteristics of good permeability which is characterized by thick top and loose bottom, and rolling resistance and can be effectively used for a long term.

The invention discloses a light-sensitive driving training assistance system. The system is characterized by comprising an optical signal projector, a photoelectric sensor, an acousto-optic prompting device and high-reflectivity paint smeared at a specific position of the ground of a training field. In the using process, the optical signal projector on a certain portion of a car sends out an optical signal to the ground, and only when the signal is emitted to the high-reflectivity paint on the ground, an optical signal which is strong enough can be returned; the returned optical signal is received and sensed by the photoelectric sensor on the same portion of the car, then a certain electric signal is generated and enables the corresponding acousto-optic prompting device in a cab of the car to act to remind that the corresponding portion of the car of a driving student or coach is at the specific position of the training field, which indicates that operation is foul or meets the requirement, and therefore the function of assisting training is achieved. The operation judgment achieved through the system can meet the requirement of a formal driving examination to a great degree, the system is convenient to use and free of additional manual operation, driving training efficiency can be greatly improved, and training cost can be lowered.

The invention provides a novel mechanical locking drill rod three-part guide plate and a production method thereof. The guide plate is characterized by being formed through welding N splicing blocks, wherein N is not smaller than 2; a gutter channel of 40-50 mm is formed in the middle part of the guide plate; and the splicing blocks use steel plate materials. The guide plate uses steel plates as materials, so that the flame retardance, the high-temperature stability and the bearing capacity of the guide plate are enhanced, the guide plate cannot generate the burning phenomenon under general conditions, and the guide plate can be effectively used for a long time under various severe environments to guarantee the operation of a drill rod. The guide plate consists of N splicing blocks, and welding spots are arranged in the connecting places, so that the extension function of the guide plate can be effectively improved in use; and the gutter channel is formed in the middle of the guide plate, so that the extension function of the guide plate also can be strengthened, the rupture condition of the guide plate due to excessive stretching in use is prevented, and the service life of the guide plate is prolonged imperceptibly.

The invention relates to the field of domestic gas safety valves, and discloses a gas self-closing valve of a central control room. The gas self-closing valve comprises a valve casing, and a gas inletpipe and a gas guide pipe are arranged on the two sides of the valve casing separately; an upper sealing cover is fixedly arranged on the top of the valve casing in a sleeving mode, and a diaphragm in a state is arranged on the top of an inner cavity of the valve casing; a linkage shaft is fixedly arranged in the middle of the diaphragm in the sleeving mode; and the bottom end of the linkage shaft is fixedly connected with a limit sealing plate located below the membrane. According to the gas safety valve of the central control chamber, through the structural design that the inner diameters of the two sides of a valve seat in the gas inlet pipe are evenly reduced from outside to inside, and by means of the mode that a valve ball and the linkage block are connected through a steel wire, onthe premise of achieving the safe self-closing effect in case of abnormal gas supply pressure, an existing transmission mode is replaced by the valve seat and the valve ball; force conduction is effectively reduced, and up-down stress is converted into transverse stress; and thus, it is guaranteed that the gas safety valve can be stably closed in time in case of overpressure and low-pressure of gas supply, so that the good safety protection effect of the gas safety valve is guaranteed.

The invention discloses a wastewater recovery toilet-flushing system. The wastewater recovery toilet-flushing system comprises a wastewater recovery filter device and a wastewater collection toilet-flushing device, wherein the wastewater recovery filter device is communicated with the wastewater collection toilet-flushing device through a conveying water tube, the wastewater recovery filter device comprises a filter box, the filter box is provided with a first filter chamber, a second filter chamber, a third filter chamber and a wastewater outlet, the wastewater outlet is connected with the conveying water tube, a second slag outlet is formed at the bottom of the second filter chamber, and the second slag outlet is provided with a timing slag discharge valve controlled by a control device I; the wastewater collection toilet-flushing device comprises a water tank and a control device II connected with a water tank drainage valve, the control device II comprises a central processor, an infrared sensor is arranged on the water tank, and the central processor enables a drainage motor II to drive the drainage valve to be opened and closed by controlling a relay I according to the signal of the infrared sensor and a preset number of people. The wastewater recovery toilet-flushing system disclosed by the invention is capable of effectively carrying out effective filter treatment on wastewater, and then flushing a toilet with the wastewater.

The invention discloses a target motion video tracking method based on a Python environment, which belongs to the field of target tracking, and comprises the following steps: step 1, a system downloads historical videos in monitoring video equipment and performs framing on the historical videos to obtain corresponding pictures; 2, preprocessing each frame of picture to obtain a training set and atest set; 3, training a neural network model in a Python environment, and obtaining a required target in the video by using the trained data; 4, calculating coordinates of a target center point, and tracking the target in real time; 5, detecting a motion direction parameter and a time parameter of the target according to the target center point; and step 6, the system automatically draws a motiontrail diagram and a displacement diagram of the target according to the direction and time parameters so as to provide visual data. According to the invention, based on the Python environment, the target to be identified is trained by using the deep convolution model, and targeted model training can be carried out, so that the recognition precision and recognition speed of the tracking system forthe target are improved, and the detection and tracking in the farm environment are ensured.

The present invention relates to a thermal expansion stone splitting agent equal proportion structure large-area stone splitting method, and belongs to the field of intersection of material science and engineering technology. The method comprises: 1, selecting a cube stone block, drilling at the center position of the stone block, filling a stone splitting agent, carrying out a stone splitting test, and screening the optimal drilling radius; 2, in the case of assurance of the same standard stone splitting, determining the drilling plane S of the stone block to be split, and determining the drilling interval d according to the drilling center distribution required by the construction; 3, measuring the thickness h1 of the rock at the drilling center position and perpendicular to the drilling plane, and calculating the drilling depth h and the drilling radius r according to the formulas defined in the specification; and 4, according to the h and r obtained in the step 3, drilling, filling a thermal expansion stone splitting agent into the drilled hole, and carrying out stone splitting. According to the present invention, the calculation method is scientific, the use process is safe and stable, the normal use construction process of the thermal expansion stone splitting agent product is not affected, the equal proportion structure large-area stone splitting can be achieved by using the method, the stone splitting agent consumption is substantially saved, the economic cost is reduced, and the economic benefit is improved.

The invention relates to a method for improving severe saline-alkali soil by using an open trench and hidden filler layer, which comprises the following steps of: (1) digging a pit in the saline-alkali soil, and filling filler at the bottom of the dug pit to form a salt and alkali removing filler layer; (2) digging a salt and alkali removing trench which is positioned above and communicated with an underground salt and alkali removing filler layer, and performing stone pitching on the salt and alkali removing trench; and (3) removing salt and alkali from the whole saline-alkali soil by natural rainfall or irrigation. By performing stone pitching on the salt and alkali removing trench and arranging the salt and alkali removing filler layer, the salt and alkali removing trench has a good anti-seepage effect and the characteristic of preventing cultivated soil from being lost by slope protection, and can be effectively used for a long time, and the salt and alkali removing filler layer breaks the formation of capillaries in the soil effectively and prevents shallow groundwater from being evaporated; and by a method for controlling the upward movement of salt formed by evaporation by cutting an evaporation channel through the filler layer, the salt is difficult to move upwards and aggregate, the problem that surface water is evaporated to form the salt is radically solved, and theaim of effectively improving soil property for a long time is fulfilled.

The invention discloses a dustproof device of a swinging rod of a plastic circular weaving machine, and belongs to the field of plastic weaving machines. The dustproof device of the swinging rod of the plastic circular weaving machine resolves the problem that dust accumulates and affects the normal work of the swinging rod. According to the technical scheme, the dustproof device of the swinging rod of the plastic circular weaving machine mainly comprises a support, the swinging rod and a core shaft, wherein the two sides, located at the swinging rod, of the support are respectively provided with a supporting part, an installation hole is formed in the middle of the swinging rod, the core shaft is arranged in the installation hole, the two ends of the core shaft extend out of the installation hole to be connected with the supporting parts of the support, a bearing assembled with the core shaft is arranged in the installation hole, dustproof covers are arranged at the two ends of the installation hole and are arranged on the core shaft in a sleeved mode, the inner sides of the dustproof covers abut against the bearing, the supporting parts of the support abut against the outer sides of the dustproof covers, a circle of skirt edge is arranged at the edge of the inner side of each dustproof cover, annular grooves are formed in the two sides of the swinging rod, and the skirt edges extend into the annular grooves and are matched with the annular grooves. The dustproof device of the swinging rod of the plastic circular weaving machine is mainly applied to the plastic circular weaving machine.

The invention discloses a hollow glass ultraviolet ray resistant test comprising a main box body, wherein a test bin is arranged in the main box body, the inner wall of the test bin is coated with a protective layer, and the protective layer consists of the following components in parts by mass: 3.4 parts of polysiloxane, 1.1 parts of fluororubber, 1.7 parts of polyvinyl butyral ester, 0.6 part of polyoxyethylene stearate, 0.5 part of methyltrimethoxysilane and 1.4 parts of lauryl trimethyl ammonium chloride. According to the hollow glass ultraviolet ray resistant test disclosed by the invention, the inner wall of the test bin is coated with the protective layer, so that the test bin can be used for a long term, and the long-term and effective use of overall equipment can also be ensured.

A viscoelastic fluid soft abrasive material for abrasive particle flow finishing processing of the surface of a difficult-to-process material is suitable for finishing processing of the surface of the difficult-to-process material such as nickel-based superalloy, titanium alloy, stainless steel and the like, and is characterized in that the viscoelastic fluid soft abrasive material takes 20-25% by mass of methyl vinyl silicone rubber as a carrier medium, and 5-10% by mass of alkyl silicone oil, 10-15% by mass of white oil, 2-5% by mass of dimethyl silicone oil, 2-7% by mass of paraffin, 1-3% by mass of sodium stearate and 35-60% by mass of grinding particles are added into the carrier medium. The abrasive material is good in viscoelasticity, good in fluidity, good in integration of abrasive particles and the carrier medium, free of adhesion of the abrasive particles to a workpiece, good in high temperature resistance and good in finishing quality.

The invention relates to a buffering foot pad, which is applied to support of electronic equipment and can buffer external impact on the electronic equipment. The buffering foot pad comprises a damper cylinder, a first sliding block, a second sliding block and a third sliding block, wherein a sliding hole is formed in the damper cylinder; the first sliding block, the second sliding block and the third sliding block slide in the sliding hole; buffering media are filled between the first sliding block and the damper cylinder, and between the second sliding block and the third sliding block; an elastic piece is fixedly connected between the second sliding block and the third sliding block; the third sliding block is arranged near the opening of the sliding hole and used for connecting the electronic equipment.

The invention discloses a water meter and a processing technology thereof. The water meter comprises a meter shell, an impeller, a metering box, a demisting rod group, a lower sealing ring, meter glass and an upper sealing ring, a gear set, a connecting column and a plurality of pointers are arranged in the metering box; the demisting rod group comprises a supporting piece, a supporting spring, a supporting rod, a first scraping rod, a second scraping rod, a stand column and a first bevel gear; a smooth groove is formed in the lower portion of the first scraping rod; the tops of the first scraping rod and the second scraping rod are in contact with the lower surface of the meter glass; the stand column is rotatably connected with the lower sealing ring; the tail end of the supporting rod is located in the smooth groove; and the areas, located below the meter glass and above the metering box, in the meter shell are filled with prepared liquid such as glycerin. The demisting rod group is arranged at the bottom of the meter glass, so that the effect of removing mist on the meter glass in a larger area is achieved through the movement of the first scraping rod and the second scraping rod and the supporting force of the spring and the supporting sheet during use, and a meter reader is ensured to accurately read a water consumption value.

The invention discloses a low-temperature testing machine for a waterproof coiled material. The machine comprises a main box body, wherein a testing storehouse is arranged in the main box body, the inner wall of the testing storehouse is coated with a protective layer, and the protective layer consists of the following components in parts by weight: 2.4 parts of chlorinated polypropylene, 0.6 part of carbon black, 1.3 parts of lignosulfonate, 1.2 parts of calcium hydroxide, 0.6 part of cocoalkanoylamido propyl betaine and 0.5 part of esterquat. According to the low-temperature testing machine for the waterproof coiled material disclosed by the invention, the inner wall of the testing storehouse is coated with the protective layer, so that the testing storehouse can be used for a long time, and the long-term effective use of whole equipment can also be ensured.

The invention provides a method for preparing mechanically sensitive glass by isothermal two-step ion exchange. The ion exchange medium is used as a toughened molten salt for the preparation of mechanically sensitive glass for ion exchange. It is mainly composed of potassium nitrate or potassium nitrate and sodium nitrate, and potassium hydroxide, potassium carbonate, potassium tetrafluoroborate, and diatomaceous earth are added. , clay, cerium oxide. The method for preparing mechanically sensitive glass by two-step ion exchange is: put the glass sheet in the first step of tempered molten salt for ion exchange, the time of ion exchange is 24-28h, and the temperature is T1; then place it in the second step of tempered molten salt Carry out ion exchange, the time of ion exchange is 15-60min, the temperature is T2, T1=T2. The two-step ion-exchange mechanically sensitive glass prepared by the invention has good performances. While obtaining the required strength, it has good fracture concentration, and the glass has the characteristic of multiple cracks as a fracture warning.