57results about How to "No interference issues" patented technology

The invention relates to a method for detecting ochratoxin A. The method utilizes a nucleic acid aptamer sequence fixed on a photonic crystal microsphere and a fluorescence labeled complementary sequence thereof for hybridization; after addition of a sample to be detected, a chip scanner is employed to detect fluorescence signals before and after addition of the sample; and change value of the measured fluorescence signal is used for detection of ochratoxin A in the sample. The method has detection limit of 0.001 ng / mL on ochratoxin A, linear detection range from 0.001 to 1 ng / mL; and only 2 muL of specimen is required.

The invention discloses an electronic label system based on a near-distance wireless communication technology, and an electronic label updating method. The electronic label system comprises multiple electronic labels, an NFC device and a system server. The electronic labels are respectively placed beside corresponding goods. Near-distance wireless communication is carried out between the NFC device and the system server, and between the NFC device and each electronic label. The electronic label updating method comprises: registering a goods information database in the system server, and downloading the updating content of each electronic label to the NFC device; and holding the NFC device to successively approach each electronic label needing to be updated so as to finish updating of display contents of the electronic labels. The system provided by the invention has the advantages of low power consumption, high communication rate, no communication blind areas, high anti-interference performance and the like. The method provided by the invention has the advantages of convenient operation, high communication reliability and the like. Therefore, the system and method provided by the invention can be widely applied to places such as warehouses, supermarkets and the like.

The invention discloses a bending and shearing mechanism, which comprises a body. A bending part and a shearing part are arranged on the body; the bending part comprises a servo motor, a transmission mechanism, a bending shaft, a bending inner die, a bending outer die and a bending outer die lifting mechanism; the bending inner die is arranged on the body and provided with a slotted hole through which a metal cutter material passes; the bending outer die is arranged on the bending shaft and driven by the bending outer die lifting mechanism to lift to attach the positive or negative surface of the bending inner die; the servo motor drives the bending outer die through the transmission mechanism to attach a notch of the bending inner die to rotate positively and negatively so as to press and fold the metal cutter material; the shearing part comprises a shearing inner die, a shearing outer die and a shearing part lifting mechanism; the shearing inner die and the shearing outer die are driven by the lifting mechanism to lift; the shearing inner die is axially fixed and provided with a slotted hole through which the metal cutter material passes; the shearing outer die is externally sleeved on the shearing inner die and attached to the orifice of the slotted hole; the shearing outer die is connected with a shearing shaft; and the shearing shaft is driven by the servo motor through the transmission of the transmission mechanism to rotate so as to drive the shearing outer die to rotate the metal cutter material.

The invention discloses a video frame structure and D2D (Device-to-Device) communication based video multicast method. The video frame structure and D2D communication based video multicast method comprises steps that a base station announces a video multicast service, and all the interested users in a cell join in the service to form a multicast cluster; the base station carries out video stream multicast for the users in the cluster by regarding the transmission time of one basic unit GOP (Group of Pictures) in a video code as a cycle; the users check received information and report sequence numbers of frames having packet loss in the GOP to the base station after the multicast sub time slot is ended; the base station after receiving feedback information of the users establishes a sequence list based on the priorities of to-be-restored frames and establishes a CQI matrix of a D2D link between target frames ACK-devices and NACK-devices; relay selection and grouping are performed based on the CQI matrix and the time Tm required for transmission of the target frame m is calculated; and after the transmission is finished, the sequence number of the current target frame in the sequence list is deleted. The video frame structure and D2D communication based video multicast method efficiently overcomes the problem that the multicast rate in the multimedia multicast is always affected by the worst fading channel in the cluster, and greatly improves the video quality within limited spectrum resources from the perspective of the user.

The invention discloses a display device which comprises multiple polarized-point light sources, a first polarizing plate and a second polarizing plate. A liquid crystal display panel is arranged at the set distance of the light emitting side of the polarized-point light sources, the first polarizing plate is located on the surface of the liquid crystal display panel facing one side of the polarized-point light sources, and the second polarizing plate is located on the surface of the liquid crystal display panel away from one side of the polarized-point light sources; polarized light emitted from two adjacent polarized-point light sources with the overlapping area of light spots projected onto the liquid crystal display panel is perpendicular to each other in the polarization direction; since the polarization direction of the first polarizing plate of the overlapping area of the light spots is only identical to the polarization direction of the polarized-point light source corresponding to the light spots in the overlapping area of the light spots, only the emitting light of one polarized-point light source can penetrate the overlapping area even if the overlapping area of the light spots exists, light interference in the overlapping area of two point light sources can be avoided, and more polarized-point light sources can be arranged at the display area of the display device to improve display resolution.

The invention relates to a method for detecting aflatoxin B1 with high sensitivity in a single-bead photonic crystal microsphere suspension array chemiluminescence way. The method comprises the following steps of: adopting photonic crystal microspheres as a probe carrier of the aflatoxin B1 to perform competitive immunodetection to the aflatoxin B1 on the surfaces of the microspheres; performing competitive binding to a monoclonal toxin antibody through an antigen fixed to the surfaces of the microspheres, of the aflatoxin B1 in a sample; performing specific binding to the aflatoxin B1 antibody through a second antibody marked by horse radish peroxidase; and then detecting a chemiluminiscence light signal through a multifunctional microplate reader. According to the method, the aflatoxin detection limit to the aflatoxin B1 is 0.0001ng / mL, the linear detection range is 0.0001 to 1ng / ml, and only 2mu L sample is needed.

The invention discloses a bucket connection mechanism of a small loading machine. The connection mechanism comprises a front frame, a movable arm, a rocker arm, a bucket, a pull rod, a movable arm oil cylinder and a rotating bucket oil cylinder. The connection mechanism adopts reasonable proportional relations for linear distances of multipile hinge points among the movable arm, the rocker arm, the bucket, the pull rod, the movable arm oil cylinder and the rotating bucket oil cylinder, so that the strength and the stability of the movable arm are increased, all components are arranged reasonably in the space, the movable arm and the front frame are free from the problem of interference, the breakout force of the loading machine is larger, materials are shoveled faster, and the loading machine has the better working performance and the better working efficiency.

The invention comprises a network TV adapter. The network TV adapter is used for receiving, filtering and demodulating a power line carrier signal through a power supply line, and then making signal conversion and decompression for it, and finally extracting the power supply provided for the TV as its power supply, the TV program signal provided for the signal receiving port of the TV and the TV control signal provided for the control signal receiving port of the TV. The invention can receives the network TV signals without a TV signal cable.

The invention discloses an electro-acoustic effect-based in-situ detection method and device for electron beam additive manufacturing and belongs to the technical field of additive manufacturing. Surface topography characteristics of a workpiece are obtained after a pulsed electron beam interacts with the surface of the workpiece, meanwhile, a heat wave generated after the pulsed electron beam interacts with the surface of the workpiece is conducted towards the inside of the workpiece along the surface of the workpiece to form an acoustic wave, and the acoustic wave is received to achieve electro-acoustic signal detection through adding a transducer to the lower part of the workpiece, thereby obtaining internal layered structure characteristics of the workpiece. The detection device comprises a secondary electron or backscattered electron detection system, an electro-acoustic signal detection system, a signal generator and a digital scanning generator. The method and the device disclosed by the invention are used for detecting the surface topography characteristics and the internal layered structure characteristics of the workpiece in the additive manufacturing process and monitoring the manufacturing quality; the detection device is small in size, simple in structure and good in coupling property; and the cost and the complexity are not additionally increased.

The invention discloses a multi-stage humidification powder dedusting method and a multi-stage humidification powder dedusting device for cyclic dedusting. The method comprises the following steps of: conveying output powder by using a conveyor device, performing first-stage humidification on the powder in the conveyor device, at least performing second-stage humidification on the powder which is not fully humidified and discharging the powder; and simultaneously performing suction separation on dust-containing gases produced by the humidification and treating the gases by utilizing a wet dedusting method. In the method and the device, the dust-containing gases are treated by adopting the wet dedusting method, dedusting wastewater is used for cyclically humidifying the powder, a water volume is extremely easy to regulate and control, the humidified powder stably keeps a critical saturation state and the problems of difficulties of conventional equipment in water volume adjustment are solved.

The invention relates to an artificial cochlea. The artificial cochlea comprises an external device and an implant, wherein the external device comprises a sound processing device and a power supply unit, the power supply unit is used for supplying power for the sound processing device, the sound processing device is used for processing acquired sound signals to form full frequency continuous sound signals which are sent to the implant, the continuous sound signals sent by the sound processing device are received by the implant, a spiral ganglion is further stimulated by utilizing electrical electrodes, and the continuous sound signals are transmitted to auditory nerves. The invention further relates to a sound processing method of the artificial cochlea. According to the artificial cochlea, after multi-channel sub-band processing on the sound signals, the sound signals are synthesized to form complete sine wave signals, the sine wave signals comprise all the sound information including tones, and patients are made to have real hearing feeling.

The invention provides a signal amplitude spectrum detecting method and system based on a dot frequency filter. The method comprises the steps that input signals are received, and an original data sequence of the input signals is obtained; an integer data sequence is selected from the original data sequence according to a preset disposal data sequence length, and a disposal data sequence is obtained; the disposal data sequence is output in a circulating mode, a circulating disposal data sequence is obtained, and when the circulating output length of the disposal data sequence reaches the preset data sequence length, the circulating output of the disposal data sequence stops; dot frequency filter filtering is carried out on the circulating disposal data sequence according to preset dot frequency, and dot frequency filtering data are obtained; amplitude detection is carried out on the dot frequency filtering data, and the signal frequency domain amplitude spectrum of the original data sequence under the dot frequency is obtained. Spectrum leakage cannot happen to the signal amplitude spectrum detected through the method, and the signal frequency domain amplitude spectrum resolution ratio is high.

The invention discloses a roller transmission device, and relates to a device for transmitting power through rollers in groove wheels and groove rings. The device has the characteristics that the large speed ratio range, small volume, small pressure angle, high-speed input and low loading of a bearing are ensured, the motion mode of the rollers is pure rolling, and multiple rollers participate in the work simultaneously. The device provided by the invention is used for speed change of source power; the number difference of the groove wheels and groove rings can be one or more than one; the axial spaces of the groove rings and the groove wheels are not coincident; the rollers move in the radial grooves of the groove wheels and the groove rings; the eccentric direction of a double-layer eccentric bearing is the same with that of the groove wheels; when the rollers are delivered to the openings of the groove rings by the double-layer eccentric bearing, the rollers perform pure rolling along the side surfaces of the radial grooves of the groove wheels and the groove rings; at the same time, the double-layer eccentric bearing is not contact with the rollers any more; the rollers break away from the radial grooves of the groove rings under the action of an elastic ring at the instant of leaving of the groove rings; and the elastic ring implies force to the rollers to enable the rollers to always maintain the radial force, thus the rollers except for the roller participating in the power transmission are all arranged at the bottoms of the groove wheels.

The invention relates to a seawater radionuclide analysis pretreatment method. The method includes 1, adjusting the pH value of the acidity of a seawater sample to range from 1 to 2; 2, adding a mixed carrier into the seawater sample; 3, adding 0.15 to 0.25g ammonium phosphomolybdate and 0.15 to 0.25g ammonium sulfate in the seawater sample per liter; 4, depositing and drying; 5, adjusting the pH value of the acidity of the filtrate to range from 8 to 10; 6, depositing and drying; 7, depositing and combining. According to the mixed carrier, Rho (Cs+)=5 to 7mg / mL, Rho (Co2+)= 18 to 22mg / mL, Rho (Fe3+)=38 to 42mg / mL, Rho (Ba2+)= 38 to 42mg / mL, and Rho (Pb2+)= 38 to 42mg / mL. By the aid of the method, gamma nuclide and total alpha and beta analysis and combined sample preparation can be implemented, the problem of influence by residue is avoided, the method is simple and easy to implement, and the accuracy is improved greatly.

The invention relates to a vibration processing device and a motorcycle. The vibration processing device comprises an outer ring (1), an inner ring (2) and a vibration absorbing piece, wherein the outer ring (1) outwards sleeves the inner ring (2); a vibration absorbing chamber is formed between the inner surface of the outer ring (1) and the outer surface of the inner ring (2) and comprises multiple strip-shaped vibration absorbing spokes distributed in the vibration absorbing chamber; one ends of the strip-shaped vibration absorbing spokes are supported on the inner surface of the outer ring(1); and the other ends of the strip-shaped vibration absorbing spokes are supported on the outer surface of the inner ring (2) so as to form a vibration absorbing structure. According to the vibration processing device provided by the invention, the radial thickness of the inner ring (2) can be reduced, so that a moving space of an elastic structure is increased, a vibration absorbing effect isremarkable and is 15dB higher than existing vibration isolation, the vibration processing device can meet the driving requirement of a finished motorcycle under various working conditions and is suitable for multiple motorcycle types, the increase of the deformation of the vibration processing device and the engine displacement cannot be caused, the elastic structure is good in strength durability, and no interference problem exists; and the motorcycle is simple in mechanical design and convenient to process, so that the cost increase of the motorcycle cannot be caused.

The invention provides a multi-channel and multi-rate concurrent communication method based on a wireless frequency hopping network, relates to the technical field of network communication, and solves the technical problem that the efficiency of a transceiver is reduced due to multiple times of channel switching during data frame transmission. The method comprises the following steps: dividing a communication bandwidth into n frequency bands, and arranging the n frequency bands in an ascending order; dividing the channels into n channels, and numbering the n channels in sequence; enabling the n frequency bands and the channels to be in one-to-one correspondence to form a channel frequency band table; allocating time slots to the channels according to a time sequence to form a frequency hopping graph; allocating a frequency hopping time limit and a channel to the current communication data according to the communication rate of the current communication data; and transmitting the current communication data by the transceiver. According to the invention, a plurality of time slots and a plurality of channels are occupied through one-time communication, and a reasonable frequency hopping interval is designed, so that the time slots of the system can be used in association with all central frequency point communication channels in a balanced manner, frequency resources are saved, and the problem of low efficiency of a traditional frequency hopping method is thoroughly solved.

The invention discloses a large-overlap-ratio inner engaged gear tooth form design method based on an arc line of action. The line of action designed through the method is an arc connecting an intersection of addendum circles of an inner gear and an outer gear and an intersection of nodal circles, and on the basis of a plane engagement theory, a conjugation equation expressing the corresponding relation between the line of action and an inner engaged gear conjugate profile curve is established; conjugate profile curves according with the arc line of action are established, wherein the conjugate profile curves are the inner gear addendum profile curve and the outer gear addendum profile curve; the conjugation principle is used for establishing dedendum profiles conjugated with the addendum profile curves and the inner gear dedendum profile is shaped; and transition curves between the gear dedendum profiles and dedendum circles are designed. The method has the beneficial effects that the overlap ratio is high, compared with an involute tooth form, the overlap ratio is increased more than twice, multiple gear teeth are involved in engagement, bearing capacity is high, dynamic impact is small, the relative sliding ratio is low, and the lubricating condition is good; and the profile interference problem is avoided and gear parameters are designed more freely.

The invention discloses an audio data transmission method, device and system, a storage medium and an earphone, and the method comprises the steps: receiving pairing information which comprises an access code and broadcast isochronous group (BIG) information of a source end device, and is derived from one of the source end device and other destination end devices; adding a current synchronous broadcast event to the BIG according to the pairing information, and creating a synchronous broadcast event which is completely aligned with the source end device so as to receive audio data from the source end device or other target end devices; and broadcasting the pairing information in the next synchronous broadcast event. The method can effectively solve the problem that in the prior art, due to environmental interference, distance, blocking and other reasons, audio data transmission cannot be carried out on the target end device, the probability that BIG information is correctly received is improved in a large range, and the advantages of being more reliable and long in distance are brought to audio sharing.

The invention relates to a charge device for a wireless mouse. A mouse body is provided with a charge battery, a first charge terminal group and a socket electric connector, one end of a wireless receiver is provided with a plug electric connector and a contact terminal group, the other end of the wireless receiver is provided with a second charge terminal group, the plug electric connector is electrically connected and inserted to the socket electric connector of the mouse body, and the contact terminal group is electrically connected with the first charge terminal group, therefore, when charging, the plug electric connector of the wireless receiver is pulled out from the socket electric connector of the mouse body and is electrically inserted and connected with a computer host, the mouse body is connected and arranged at the other end of the wireless receiver finally, and the first charge terminal group of the mouse body is electrically connected with the second charge terminal group of the wireless receiver so as to perform charge operation on the mouse body.

The invention discloses an electronic device. The device comprises a shell, a driven device and a driving mechanism, wherein the shell is provided with an inner cavity and a through hole communicatedwith the inner cavity; the driving mechanism is arranged in the inner cavity; the driving mechanism drives the driven device to extend out of the shell or retract into the shell through the through hole; the driving mechanism comprises a power source, a moving portion, a piston rod and an air cylinder, the power source is in driving connection with the moving portion and drives the moving portionto move, the piston rod is matched with the air cylinder, one of the piston rod and the air cylinder is connected with a driven device, the other one is connected with the moving portion, and the moving portion drives the driven device to move through matching of the piston rod and the air cylinder. According to the scheme, the problem that a driven device driven by a driving mechanism in an existing electronic device through a spring is prone to being stuck can be solved.

The invention discloses a multi-manipulator boxing method, and relates to the technical field of manipulator boxing. The multi-manipulator boxing method is characterized in that a box feeding conveying channel, a box discharging conveying channel, a box opening machine, a box sealing machine and a plurality of feeding conveying belts are arranged, the box feeding conveying channel is connected with the box opening machine, the box discharging conveying channel is connected with the box sealing machine, a plurality of packaging box transferring channels are arranged between the box feeding conveying channel and the box discharging conveying channel, manipulators are arranged above the packaging box transferring channels, a plurality of feeding conveying belts correspond to the packaging boxtransferring channels in a one-to-one mode, and the manipulators, the packaging box transferring channels and the feeding conveying belts correspondingly form boxing stations. The multiple manipulators can act synchronously or asynchronously and do not influence one another, the packaging boxes on one packaging box transferring channel can be output to the box discharging conveying channel afterbeing boxed, other packaging boxes do not need to wait for, boxing with various specification requirements can be completed at the same time, and the boxing efficiency is greatly improved.

The invention relates to a single nucleotide polymorphism based primer set for hybrid identification of true and false peanuts and a method for performing hybrid identification on the true and false peanuts through the same primer set. With the adoption of the primer set and the method, 68 bites of up to 384 samples can be detected within one day, and the efficiency is increased 50-100 times by being compared with that of a microsatellite detection method. According to the primer set and the method, the single nucleotide polymorphism is directly read through the sequencing technique; the result is clear and reliable, and free from inter-sample interference problem.

The invention relates to the technical field of aircrafts and discloses an aircraft with V-shaped tail wing and multi-rotor vertical take-off and landing layout. The aircraft comprises an aircraft body, fixed side wings, a V-shaped tail wing and a power mechanism for providing advancing tension for the aircraft. Wingtip rotor wings are symmetrically arranged at positions, close to a tip end, of the fixed side wings on the two sides, and rotating planes of the wingtip rotor wings and the side wings are located in the same plane; and V-shaped tail rotors are symmetrically arranged in the two wing sections of the V-shaped tail wing, and the rotating planes of the two V-shaped tail rotors and the wing sections of the V-shaped tail wing are located in the same plane. A layout form that the fourrotors are embedded into the wing tips of the wings on the two sides and the V-shaped tail wing is adopted, and the appearance layout of the aircraft can improve wind resistance of the multi-rotor aircraft, reduce resistance and improve a flight speed on the premise that structural strength of the aircraft body is ensured to be high and power is sufficient.

The invention belongs to the technical field of sickbeds and especially relates to an easy-to-turn-over sickbed used in the medical field. The sickbed includes a bed frame, an upward swinging bracketmounted on the bed frame and used for assisting a patient in sitting up or semi-lying, and a front lateral swinging bracket and a rear lateral swinging bracket which are used for assisting the patientin laterally turning over. The easy-to-turn-over sickbed designed by the invention can realize transverse movement, positioning and turnover functions when a patient is in a lying state; meanwhile, the function of assisting the patient in standing up or semi-lying is achieved, a transverse shifting belt can still be adjusted to shift the patient after the front upward swinging bracket is lifted up, and the front lateral swinging bracket can be turned over through a lateral swinging adjusting mechanism; the design of a driving block and a transmission block in the turnover process avoids turnover of the rear lateral swinging bracket, so that the problem of interference after turnover of the front lateral swinging bracket and the rear lateral swinging bracket does not exist; in addition, the design of the driving block and the transmission block ensures that the front lateral swinging bracket and the rear lateral swinging bracket are turned over together when the front upward swinging bracket is placed horizontally.

The invention discloses a multi-station induction heating circuit. The circuit comprises a power source converter; the input end of the power source converter is connected with an external three-phasenetwork voltage; a sine alternating-current voltage of which the power source converter frequency is f is outputted from two output ends of the power source converter; the circuit also comprises a heater; the heater comprises at least one heating module; each heating module comprises a heating inductor and a resonant capacitor; the heating inductor and the resonant capacitor are connected in parallel; one common end of the heating inductor and the resonant capacitor is connected with one output end of the power source converter; the other common end of the heating inductor and the resonant capacitor is connected with the other output end of the power source converter in a time-sharing manner; and the heater has a total natural resonance frequency f0, and the circuit maintains a state thatf is equal to f0 in a working process. Based on the heating circuit, the invention further provides a working method and a control method of the heating circuit. The heating circuit provided by the invention is simple in architecture and small in equipment size. With the heating circuit adopted, the problem of interference between heaters arranged on different stations is solved; and a good heating effect can be achieved.

The invention provides a neutron-gamma ray combined detection device and a neutron-gamma ray combined detection method. The detection device comprises a vacuum cavity shell, a neutron measurement unitand a gamma ray measurement unit, and the detection method obtains a net neutron signal by deducting a gamma signal output by the gamma ray measurement unit from a mixed signal output by the neutronmeasurement unit. According to the invention, combined measurement of neutrons and gamma rays in a neutron and gamma mixed radiation field can be realized, i.e., measurement of neutrons and gamma raysis realized simultaneously by using one detector.

The invention provides an external fixation rehabilitation protector for distal radius fracture, which can meet clinical requirements. The protector can meet the requirements of fixing an affected part of a patient and training at the initial rehabilitation stage. The problems that according to a traditional fixing mode, breathability is poor, the shape of a fixator does not adapt to the body surface of a patient, local pressure is too large, and the fixing posture is not easy to change are solved, wearing is convenient, and tightness can be adjusted according to the swelling condition of an affected part. The distal radius fracture fixing protector comprises a forearm module, a front and rear connecting module and a palm module. The forearm module and the palm module are completed through reverse modeling, and the front and back connecting module is connected with the forearm module and the palm module to form a protector body and can be connected with the forearm module to achieve locking in the palm flexion and back extension direction of the wrist and connected with the palm module to achieve locking in the radial deviation and ulnar deviation direction. And the rehabilitation requirements of patients with distal radius fractures are met.