44results about How to "Do not cause interference" patented technology

The invention provides an indoor personnel positioning system and method based on an infrared human body sensor array. The system comprises a plurality of detecting nodes, a base station node, and a host computer. The detecting nodes are arranged at different positions indoors. The base station node is connected with the host computer through a serial port connecting line. The detecting nodes are wirelessly connected with the base station node. Each infrared human body sensor array comprises four infrared human body sensors. Each infrared human body sensor has a 90-degree detecting range such that each infrared human body sensor array may achieve 360-degree omnibearing detection. Each detecting node transmits a detected result to the base station node via a Zigbee network in order to compute personnel positions. Personnel to be positioned are not required to wear any tag or signal source and are completely passively positioned. The indoor personnel positioning system is high in positioning precision. Since each infrared human body sensor has an about 6-meter detecting radius, the information of more than 3 detecting node may achieve about 1-meter positioning precision which may completely satisfy an indoor personnel positioning requirement.

The invention discloses an intelligent running machine based on non-contact physiological parameter measurement. On the running machine, a non-contact sensor is installed to measure and obtain the physiological parameters of a runner. The running speed and the slope of the treadmill are controlled according to a preset motion mode and the physiological parameters of the runner, wherein the physiological parameters of the runner comprise at least the heart rate and the respiration rate. The running speed and the slope of the running machine can be adjusted according to the physiological parameters of the runner detected in real time, different motion modes can be achieved, the exercise effect of the running machine can be improved, and the life safety of the runner can be guaranteed.

The invention discloses an electrochemical sensor detection method for rapidly detecting a trace carbendazim pesticide. The method comprises the following steps: 1, adding 0.2-2g of montmorillonite to 100mL of water to heat to 80 DEG C for 2 hours; 2, adding 0.2g of phthalate glycol acrylate to 100mL of water, adding 1g of NaCl, regulating pH to 9-10 by 0.1 mol / L NaOH solution; 3, mixing and heating the solution in the step 2 with the solution in the step 1 to 60 DEG C from constant temperature, and forming powder; 4, polishing a glassy carbon electrode, and respectively cleaning by acetone, ethanol, 10% NaOH solution, HNO3 of 1:1 and water; 5, scanning the glassy carbon electrode in the step 4 at the speed of 50 mV.S<-1>; 6, taking 0.005g of phthalate glycol acrylate modified montmorillonite, so as to obtain a sensor; 7, putting the sensor into a carbendazim solution, adding a B-R buffer solution, and detecting by a differential pulse voltammetry. The method is simple and fast.

The invention provides a driver hand-off steering wheel detection method based on depth learning, includes the following steps: the image of steering wheel operated by driver is collected in real time, at the same time, the longitude, latitude and speed information of the vehicle are obtained, the image is detected by an operator detection algorithm based on depth learning, the information of thenumber of operators on the steering wheel is obtained, and the information of the number of operators on the steering wheel is combined with the longitude, latitude and speed information of the vehicle to judge whether the vehicle meets the triggering requirement of an early warning signal or not; If the warning signal triggering requirement is met, the warning information is generated to remind the driver. The invention has the functions of real-time detection, early warning and communication, is conducive to timely discovering and prompting the driver to timely correct the behavior of operating the steering wheel in the driving process, and urges the driver to develop a good steering wheel operation habit, which is of great significance for reducing the occurrence of traffic accidents and improving traffic efficiency.

A novel agricultural ozone water generator comprises a connecting pipe 1, a connecting pipe 2, a connecting pipe 3, a connecting pipe 4, a connecting pipe 5, a water pump power driving device, a hybrid power driving device, a first fixed pedestal for arranging the water pump power driving device, and a second fixed pedestal for arranging the hybrid power driving device, the water pump power driving device is provided with an interface 1, an interface 2 and an interface 3, the outside of the interface 3 of the water pump power driving device is connected with a low-voltage electrolytic ozone generator, the hybrid power driving device is filled with a hybrid material, the upper end and the lower end of the hybrid power driving device are provided with water distribution plates respectively, the hybrid material is added between the two water distribution plates, the bottom of the hybrid power driving device is provided with a first seal head, and the top of the hybrid power driving device is provided with a second seal head. Ozone is prepared from pure water in a low-voltage electrolytic mode, auxiliary materials and additives are not needed, and nitrogen oxides and any secondary pollution are not generated; and the novel agricultural ozone water generator has the advantages of high ozone hybrid efficiency, small size, great cost reduction and energy consumption saving.

The invention relates to a cable for an electric automobile alternating current charging system and a manufacturing method of the cable. The cable comprises a cable core, the cable core is formed by twisting a three-phase power wire core, a grounded wire core, an auxiliary wire core and a signal transmission unit, the single three-phase power wire core structurally comprises a three-phase wire core conductor, and the periphery of the three-phase wire core conductor is wrapped by a three-phase wire core insulation layer through a three-phase wire core isolation layer. The grounded wire core and the auxiliary wire core are of the structure the same as the three-phase power wire core. The signal transmission unit structurally comprises a signal control wire core conductor, and the periphery of the signal control wire core conductor is wrapped by a signal control insulation layer, wrapping tape, a signal control unit shielding layer and a wrapping layer. A gap in the middle of the twisted cable core is filled with a hemp rope, and the periphery of the cable core is wrapped by a reinforced non-woven fabric belt, an inner protective layer, a shielding layer and an outer protective layer in sequence. The cable is compact and reasonable in structure, convenient to manufacture, excellent in performance, low in cost, strong in function and good in use reliability.

The invention provides a wireless range finding positioning method under an asynchronous base station system and a system thereof. The method comprises the following steps of storing a time label of respective wireless signal transceiving time on a positioning label terminal and a target base station terminal respectively; acquiring wireless signal propagation time between a positioning label and a target base station; storing and receiving a time label of wireless signal time by each non-target base station; acquiring wireless signal propagation time between the target base station and each non-target base station; acquiring wireless signal propagation time from each non-target base station to the positioning label; and acquiring a position coordinate of the positioning label. In the invention, the positioning label only needs to complete RTTT range finding for one time with any one target base station in a covering area and all the other base stations in a signal overlapping area equivalently complete distance measurement for one time; a distance is calculated and acquired and simultaneously a measurement error generated because the label and a base station clock are not synchronous is reduced.

The invention discloses an AR individual soldier and robot hybrid combat system and method based on digital twinning. The system comprises: a ground combat robot; AR display equipment which can construct an AR three-dimensional virtual space, display a real battlefield environment, personnel equipment and a virtual target in a virtual-real fusion manner, perform interactive operation on the virtual 3D ground battle robot, display an AR electronic sand table and display a battlefield situation; wearable equipment which is in real-time communication with the ground combat robot through a data chain and is connected with the AR display equipment; and an AR application system which is used for quickly constructing the ground combat robot and the real battlefield environment into an AR three-dimensional virtual space to realize the 'leading sheep' function of the 3D ground combat robot for one or more real ground combat robots. The wearable AR glasses are used for replacing handheld controlequipment, the two hands of a control hand can be liberated, the control hand can conveniently and rapidly switch task roles, and weapons such as rifles are used for fighting.

The invention discloses a discharge plasma electron density measuring device and a method. The device comprises a detecting light source, a two-quadrant detector and a signal processor. The detecting light source and the two-quadrant detector are respectively placed on two rotating translation stages and respectively arranged at two ends of a discharge device, and a laser of the detecting light source aims at the center of the two-quadrant detector. The fact that the detecting light source and the two-quadrant detector move the same distance in the same dimension is repeated for times, and the response amplitude ratio of two photosensitive surfaces of the two-quadrant detector at different positions is recorded when power is discharged. Then, the discharge plasma electron density distribution on the dimension is calculated according to the response amplitude ratio of the two photosensitive surfaces by the signal processor. The discharge plasma electron density measuring device and the method overcome the defects of the complex system structure and expansive equipment of a traditional measuring device, and meanwhile can effectively improve measuring precision, do not interfere with discharge plasmas, and obtain the space distribution of the discharge plasma electron density.

The invention aims at providing a teaching method for learning English by combining with Chinese pinyin. The method uses the comparability between the Chinese pinyin and English; during the process for teaching English, the method uses Chinese phonetic symbol and consonant and vowel pithy formula to learn English to ensure that the student divides and marks syllables of English word and sentence, reads the pronunciation of the word and the sentence exactly and remembers the pronunciation in mind; after repeated learning, the student pronounces accurately, grasps the pronouncing rule for learning English by Chinese phonetic symbol and also spells and memorizes new words according to the rule, thereby improving the accuracy of pronouncing greatly and increasing vocabulary; the method changes the existing habit of most people who learns English, only can read, but can not pronounce and do not like to pronounce; and the method improves the sensitivity towards sound and the listening comprehension greatly, avoids deaf-and-dumb English, improves the ability of learning by self and increases the confidence and the interest of the student for learning English.

The invention belongs to the field of hemispherical resonant gyroscopes, and particularly relates to a hemispherical resonator mandrel vibration detection circuit and a hemispherical resonator mandrelvibration detection device. The hemispherical resonator mandrel vibration detection circuit comprises a plurality of pairs of interdigital electrodes arranged around a hemispherical resonator mandrel, wherein each pair of interdigital electrodes and the hemispherical resonator mandrel locally form a detection capacitor; each detection capacitor is connected with a voltage detection circuit; eachvoltage detection circuit comprises an operational amplifier and an operational amplifier capacitor; two ends of each operational amplifier capacitor are connected to an inverting end and an output end of the corresponding operational amplifier respectively; one interdigital electrode of each detection capacitor applies a constant voltage, the other interdigital electrode of the detection capacitor is connected with the inverting end of the corresponding operational amplifier, and the non-inverting end of the operational amplifier is grounded; and an output end of each operational amplifier outputs an operational amplifier output voltage, and whether the mandrel vibrates or not is judged according to whether the voltage is changed or not. The hemispherical resonator mandrel vibration detection circuit and the hemispherical resonator mandrel vibration detection device are simple in structure, and can detect the vibration condition of the mandrel in a non-contact manner.

A combined fully organic high molecular material artificial knee joint comprises a femoral condyle, a tibia bracket and a tibia pad; the femoral condyle and the tibia bracket are made of PEEK or derivatives of PEEK; the tibia pad is made of UHMWPE. The tibia bracket comprises a platform and a stable wing positioning portion perpendicular to the platform. The upper and lower ends of the tibia pad are combined with the femoral condyle and the platform respectively. The femoral condyle has a buffering function for the sliding face of the tibia pad. The tibia bracket can finely move relative to the fixed face of the tibia pad. The sliding face of the tibia pad relative to the femoral condyle is matched with fine motion of the tibia bracket relative to the tibia pad. The main parts of all implant components are made of high molecular materials, and the problems of irritability and virulence possibly caused by metal and corrosion of metal are solved. The elasticity modulus of the PEEK is matched with that of natural bones, and stress shielding is relieved. The sliding face and fixed face fine motion of the tibia pad made of UHMWPE from the femoral condyle and the tibia bracket made of the PEEK are combined, so that abrasion is greatly reduced. Meanwhile, enhancement and developing components are additionally arranged, so that the practicability is further improved.

The invention discloses an object detection method and device based on a constant electromagnetic source motor variable frequency induction field. The object detection device comprises a front end detection device body and a background processor. According to the front end detection device body, permanent magnets are combined with a coil conducted with direct currents to generate a constant electromagnetic source. The constant electromagnetic source is placed in a magnetic shielding case. A plurality of holes are formed in one end of the magnetic shielding case, through the control over the relative movement of the holes of the magnetic shielding case and the constant electromagnetic source, the magnetic field intensity and the electric field exposed out of the magnetic shielding case from the holes change alternatively, therefore an alternating induction field is formed on the surface of a detected object, and finally, a wave source of ultrasonic waves is generated. A plurality of magnetic induction elements are fixed onto the permanent magnets to form a magnetic receiving array used for inducting magnetic fields created by reflected waves of the ultrasonic waves and sending to the background processor to be analyzed and processed. By means of the object detection method and device based on the constant electromagnetic source motor variable frequency induction field, the detection precision can be improved, broadband and large-power detection signals are flexibly generated, the detected object is not limited to metal, and the object detection method and device are suitable for wider detection scenes.

The invention discloses a function detector comprising a working table, a conveyor belt (7) which is located on the working table and is used for conveying a battery, a push-out device and a main machine (11) which is used for detecting the battery, wherein the push-out device comprises a fixed substrate (1), a push-out baffle (3), a push-out air cylinder (5) and a processing unit (10). The push-out device provided by the invention can control the push-out air cylinder to move correspondingly under the control of the processing unit, so that unqualified batteries can be automatically pushed out from an assembly line, the function detector can not be interfered, and the frequency of resetting the function detector is reduced, so that, the stability of the function detector can be ensured, and the production efficiency is improved.

The present invention relates to a method for printing a printed image on an object, such as a vehicle body. An ink-jet printing apparatus (2) having at least one ink-jet printing head (5) is used, and the ink-jet printing apparatus is controlled by the data of the printed image (11). The method comprises following steps; printing a first region of the printed image (11):installing at least two self-adhesive labels(8,8a,8b) on the object (1); the label (9) is printed with reference information (8, 8a, 8b), preferably by means of said print head (5);the printing apparatus (2) is reset and roughly positioned and / or roughly orientated; the reference information (8, 8a, 8b) is detected, preferably by means of a camera (7); the printing apparatus (2), the printing head (5) and the printed image (11)and / or data are fine positioned and / or fine orientated by means of the reference information (8, 8a, 8b); and printing a second region (11b) of the printed image.

The invention discloses a simulation device for river bed dynamic change under flood action. The simulation device comprises a river channel simulation groove; a dam body is arranged in the groove; anelectric gate is arranged on the dam body; river channel simulation groove on the upstream portion and the downstream portion of the dam body is divided into a water storage area and a flood simulation area; a sand layer is laid at the bottom of the flood simulation area; a plurality of high-frequency pressure sensors are mounted on the bottom wall, under the sand layer, of the river channel simulation groove; laser devices are arranged directly above all the high-frequency pressure sensors in a one-to-one mode; and an electric control device calculates the real-time thickness of the corresponding sand layer according to a real-time thickness calculation formula of the sand layer. The invention also discloses a multipoint real-time monitoring method adopting the simulation device for river bed dynamic change under flood action. Water and the sand layer are not interfered, the side wall of a water tank does not need to be transparent, multi-point measurement can be achieved, and the high-frequency pressure sensors are mounted on the bottom wall needing to be monitored points of the river channel simulation groove and the laser devices correspondingly, so that measurement results are accurate.

The invention discloses a vertical axis runner propulsor and a power generation hydrogen production ship using the same, comprising a vertical axis runner propulsor, a deflector, a buoy cabin liftingand lowering support device, a power generation system, a hydrogen production system and the like; The Hydrogen generator ship is the same in shape and small in volume as ordinary ship. The buoy cabinlifting and lowering supporting device can adjust the draught depth of the hull, adapt to various river conditions, and select different river sections for power generation according to the seasonalwater regime change. Vertical axis wheel propeller, concentrated and densely installed on the bottom of the ship, increase the installed capacity per unit area; The utility model is a lift-drag compound propeller, which is both a high-efficiency propeller and a high-efficiency hydraulic turbine, can run without additional power and driving device, and does not affect the power generation during running; The design of the air deflector not only increases the power generation capacity, but also does not occupy the space and affect the driving. The electricity generated is used to electrolyze water to produce hydrogen without grid connection and provides a stable source of hydrogen fuel for hydrogen fuel cell vehicles.

A combined organic polymer material artificial knee joint, including femoral condyle and tibial support of polyetheretherketone (PEEK) or its derivatives and tibial liner of ultra-high molecular weight polyethylene (UHMWPE), wherein the tibial support includes a platform and The positioning part of the stabilizer wing perpendicular to it; the upper end and the lower end of the tibial liner are respectively engaged with the femoral condyle and the platform; the femoral condyle has a buffer for the sliding surface of the tibial liner; The sliding surface against the tibial liner matches the fretting of the tibial tray against the tibial liner. The main parts of all implant parts of the present invention are made of polymer materials, which reduces the allergies and toxicity problems that metals and their corrosion may cause; the elastic modulus of PEEK matches the natural bone, which reduces the stress shielding problem; the PEEK femoral condyle and The tibial tray combines the sliding surface and the fixed surface of the UHMWPE tibial liner with micro-movement, which greatly reduces the wear problem. At the same time, the reinforcement and development parts are added to further improve the practicality.

The invention discloses a membrane used for a lead ion selective electrode and taking a poly 1-aminoanthraquinone as a carrier, which is characterized in that: the membrane comprises poly 1-aminoanthraquinone, polyvinyl chloride and di-n-octyl phthalate. The invention also discloses a process for preparing the membrane used for the lead ion selective electrode and taking the poly 1-aminoanthraquinone as the carrier as well as purposes thereof.

The invention provides a novel PCR (Polymerase Chain Reaction) primer (16s 200) for identifying or assisting in identifying freshwater fish species. A nucleotide sequence of the primer is SEQ ID NO.1 in a sequence table. The PCR primer is applied to eDNA metabolism coding of a fish mitochondrial DNA sequence. The PCR primer is adopted to perform PCR amplification on eDNA in a water body, based on a high-throughput sequencing method, the problem that an effective species specific primer is difficult to obtain under the condition that various closely-related species exist in the water body can be effectively solved, and based on an environmental DNA monitoring technology, an effective technical support is provided for taxonomy research and diversity protection of fishes. The method for identifying the freshwater fish species by using the PCR primer has the advantages of short consumed time, simplicity and convenience in operation, high specificity and the like.

The present invention provides an information display board which can select a wearing mechanism for the clothes according to conditions, and does not influence another one wearing mechanism on the condition of using the wearing mechanism. In the information display body of the present invention, a second wearing member is detachably connected on a first wearing member arranged on an information display part via the connecting part, wherein the first wearing member is equipped with a needle fixed on the worn object, and the second wearing member is equipped with a pair of clamping parts and an operating part. The pair of clamping parts is used to clamp the worn object, and the operating part extends towards the direction reverse with the opening directions of the pair of clamping parts in the state that the pair of clamping parts is clamped. The second wearing member is configured to rotate the operating part to thereby open and close the pair of clamping parts, the first wearing member is connected with the connecting part by plugging the needle in or out a cylinder, and under the state that the rotation direction of the operating part faces the direction vertical and intersected with the penetration direction of the cylinder, the second wearing member is connected with the connecting part.

The invention designs an offshore metal air power generation module, and belongs to the field of new energy batteries. The offshore floating type metal-air power generation module designed by the invention is composed of a plurality of floating type metal air power generation units, a frame and an electric lifting mechanism. The power generation units are fixed on the frame, the frame is fixed onthe electric lifting mechanism, and the metal electrodes are replaceable. When power generation is required, all the power generation units are lowered into the seawater by the electric lifting mechanism, and the positive and negative electrodes are connected to output the DC electric energy outward. When outward electric energy output is not required, the electric lifting mechanism lifts all thepower generation units out of the electrolyte seawater and stops power generation. The power generation module is provided with a two-stage washboard around the water and a two-stage protective net under the water. A telegraph pole is erected on the frame, and the positive and negative poles of the power generation module are connected to the positive and negative terminals of the telegraph pole after the power generation units inside the power generation module are serially and parallelly connected, and are connected with other power generation modules through the terminals to realize the modular power generation.

The invention provides a degradable metal stent and a preparation method thereof. The degradable metal stent is provided with a plurality of accommodating spaces, wherein each of the accommodating spaces is internally coated with a chelating agent coating containing a chelating agent. The degradable metal stent provided by the invention has the chelating agent coating which can chelate metal ionsreleased by the stent during degradation, so the toxicity of the metal ions can be controlled without influence on the complete degradation of the stent, the metal ions of the body of the stent are not interfered, and the biosafety of the degradable metal stent is effectively improved.

The invention discloses a film used for selecting an electrode by a lead ion and adopting poly-m-phenylenediamine as a carrier, and is characterized in that the invention comprises poly-m-phenylenediamine, polyvinyl chloride and di-n-octyl phthalate. In addition, the invention also discloses a preparation method and the usage of the film used for selecting the electrode by the lead ion and adopting poly-m-phenylenediamine as the carrier and can be used for detecting the lead ion concentration in solution and used as an instruction electrode of the potentiometric titration of the lead ion.

The invention relates to an artificial shoulder joint prosthesis made from organic polymer materials. The artificial shoulder joint prosthesis made from the organic polymer materials comprises a ball head and a humerus handle. The inner surface of the ball head is concave. The inner surface of the ball head is connected with the humerus handle. The ball head is placed in the acetabular fossa of a human body in use. The outer surface of the ball head is directly matched with human body joint cartilage. The ball head is composed of polyether ether ketone or derivatives of the polyether ether ether ketone, so that a half shoulder joint prosthesis is formed. On the basis, the artificial shoulder joint prosthesis structurally further comprises a shoulder joint cavity prosthesis body and an acetabular cup, and the full shoulder joint prosthesis and a reverse shoulder joint prosthesis are formed according to a matching mode. Inner plant parts of the prosthesis are composed of the high polymer materials, and the allergic and toxic problem possibly caused by metal corrosion and metal is reduced. The elastic modulus of PEEK materials is matched with natural bones, and the stress shielding problem is relieved. The prosthesis relieves abrasion to the joint cartilage due to the sliding friction face of the prosthesis. All the inner plant parts in the artificial shoulder joint prosthesis do not interfere with nuclear magnetic resonance imaging.

The invention discloses a vertical axis runner propulsor and a power generation hydrogen production ship using the same, comprising a vertical axis runner propulsor, a deflector, a buoy cabin liftingand lowering support device, a power generation system, a hydrogen production system and the like; The Hydrogen generator ship is the same in shape and small in volume as ordinary ship. The buoy cabinlifting and lowering supporting device can adjust the draught depth of the hull, adapt to various river conditions, and select different river sections for power generation according to the seasonalwater regime change. Vertical axis wheel propeller, concentrated and densely installed on the bottom of the ship, increase the installed capacity per unit area; The utility model is a lift-drag compound propeller, which is both a high-efficiency propeller and a high-efficiency hydraulic turbine, can run without additional power and driving device, and does not affect the power generation during running; The design of the air deflector not only increases the power generation capacity, but also does not occupy the space and affect the driving. The electricity generated is used to electrolyze water to produce hydrogen without grid connection and provides a stable source of hydrogen fuel for hydrogen fuel cell vehicles.

The invention provides an indoor personnel positioning system and method based on an infrared human body sensor array. The system includes several detection nodes, a base station node and a host computer; the detection nodes are deployed at different locations indoors, and the base station node communicates with the host computer through a serial port connection line. The detection node is connected to the base station node wirelessly. Each infrared human body sensor array of the present invention includes 4 infrared human body sensors. Each infrared human body sensor is responsible for detecting a 90-degree range, thereby achieving 360-degree all-round detection. Each detection node transmits the detection results to the base station through the ZigBee network. The node calculates the location of the person. There is no need for the person being positioned to wear any tags or signal sources, and it is completely passive positioning. The positioning accuracy is high. Since the detection radius of the infrared human body sensor is about 6 meters, using information from more than 3 detection nodes can achieve a positioning accuracy of about 1 meter. This positioning accuracy can fully meet the needs of indoor personnel positioning.

The invention provides a degradable metal stent and a preparation method thereof. The degradable metal stent is provided with several accommodating spaces, and the accommodating spaces are coated with a chelating agent coating containing a chelating agent. The invention provides a degradable metal stent with a chelating agent coating, which can chelate the metal ions released during the degradation process of the stent, and realize the control of the toxicity of the metal ions without affecting the complete degradation of the stent, and , does not cause interference to the metal ions of the body itself, and effectively improves the biosafety of the degradable metal stent.