86results about How to "Individually adjustable" patented technology

Two nasal breathing devices are supplied with continuous positive airway pressure for alleviation of sleep apnea. The two nasal breathing devices are each supported on a spiral flexible supply tube. The supply tubes pass through a block. The block is supported on the patient's head below his nostrils. A stop nut is threaded on each of the spiral flexible supply tubes. The supply tubes and nasal breathing devices are individually adjustable by rotating the stop nut on each of the supply tubes. In this way, the nasal breathing devices are individually adjusted for proper nasal contact and sealing.

The embodiment of the invention provides a method for adjusting an antenna, the antenna and a base station control center. The antenna comprises a detection unit, an obtaining unit and an adjusting unit, wherein the detection unit is used for detecting current orientation parameters of the antenna, the obtaining unit is used for obtaining electrical controlling data of multiple cell arrays corresponding to a target frequency band in the antenna, the electrical controlling data are determined according to differential values of target orientation parameters of wave beams of the multiple cell arrays and the current orientation parameters, and the adjusting unit is used for adjusting the orientation of the wave beams of the multiple cell arrays according to the electrical controlling data. By means of the method for adjusting the antenna, the antenna and the base station control center, independent adjustment of the multiple cell arrays corresponding to each frequency band in the antenna can be achieved, and the performance of the antenna is improved.

The invention discloses a low-load steady combustion type ultralow-NOX combustion system and a combustor of the low-load steady combustion type ultralow-NOX combustion system. The combustor comprisesa pre-combustion chamber, a center air channel, a primary air channel, a direct-stream air channel, an inner secondary air channel and an outer secondary air channel, wherein the center air channel, the primary air channel, the direct-stream air channel and the inner secondary air channel are sequentially and coaxially arranged on one side of an inlet of the pre-combustion chamber in a sleeved manner from inside to outside, and the outer secondary air channel is arranged on an outer shell of the pre-combustion chamber. The combustion system comprises the combustor, a fuel bin connected with the front end of the combustor, a boiler and an air preheater, wherein the boiler and the preheater are sequentially connected with the back end of the combustor. The fuel bin communicates with the primary air channel through a variable-diameter pipeline. The preheating output end of the air preheater is divided into three parts, preheated three hot air streams are guided by an induced draft fan into the combustor and connected with the direct-stream air channel, the inner secondary air channel and the outer secondary air channel. The combustor can effectively lower the emission of thermal NOX and fuel NOX, when the combustion system operates with the load being changed, a pulverized coal bin can reasonably utilize the variable-diameter pipeline to control the amount of conveyed fuel, and smoke recirculation and low-load steady combustion are achieved.

The invention relates to the field of electromagnetic metamaterials, in particular to a graphene-vanadium dioxide metamaterial absorber and a tunable terahertz device. The metamaterial absorber is of a multi-layer structure, and according to the structural sequence from top to bottom, the metamaterial absorber comprises a vanadium dioxide resonator array, a continuous graphene layer, a Topas dielectric layer and a metal layer. The vanadium dioxide resonator array comprises a plurality of resonator units which are arranged in an array along the horizontal plane and are made of vanadium dioxide materials, each resonator unit is in an integrated I shape, and an included angle smaller than 90 degrees is formed between each resonator unit and the X-axis direction of the horizontal plane. The continuous graphene layer is formed by arranging single-layer carbon atoms; the vanadium dioxide resonator array is attached to the upper surface of the continuous graphite layer. The Topas dielectric layer is positioned below the continuous graphene layer. The metal layer is located below the Topas dielectric layer. The device overcomes the defects that a traditional metamaterial absorber is poor in tunability, single in function and insufficient in performance index.

A decoupling structure among multi-input-multi-output antennas comprises a dielectric substrate and a patch, wherein the patch is arranged on the dielectric substrate and comprises an enclosed rectangular ring, a swastika-shaped structure and/or inverse swastika-shaped structure and a U-shaped strip line structure, wherein the enclosed rectangular ring is arranged on the dielectric substrate, theswastika-shaped structure and/or inverse swastika-shaped structure is embedded into the rectangular ring, the rectangular ring is connected with one end of the U-shaped strip line structure, and the swastika-shaped structure and/or inverse swastika-shaped structure is embedded into a gap of the U-shaped strip line structure. With the adoption of a mode that an inner structure and an outer structure are embedded, resonant property with high impedance characteristic is formed, the decoupling structure is simple and integrates with the multi-input-multi-output antennas, and the whole profile of the decoupling structure is relatively low; the structure is reasonable in layout, the space resource is reasonably utilized, integrated design of a wireless communication system terminal is easy to achieve, and installation and debugging are facilitated; and the structure has relatively small size and is easy to integrate with mobile terminal equipment, the resonant frequency can be conveniently adjusted very well, and the effect of preventing required interference is achieved.

The invention discloses a bamboo rolling machine with a pressure adjusting function and belongs to the technical field of bamboo processing. The bamboo rolling machine comprises a rack, a conveying mechanism, a driving mechanism and a rolling mechanism. Fixed screws are arranged on the rack. The conveying mechanism comprises a plurality of conveying rollers. The two ends of the conveying rollers are all fixedly connected with the two fixed screws through first bearing seats. The driving mechanism is in transmission connection with the conveying mechanism. The rolling mechanism comprises a plurality of rolling barrels and a plurality of pressure adjusting devices. The two ends of the rolling barrels are all movably connected with the two fixed screws through second bearing seats. The pressure adjusting devices are located over the second bearing seats. Each pressure adjusting device comprises two elastic parts, a movable plate, a fixed plate and an adjusting screw. The pressure adjusting devices adjust the distances between the fixed plates and the movable plates by rotating the adjusting screws, and then elastic force of the elastic parts located between the second bearing seats and the movable plates is adjusted. Through the bamboo rolling machine, the problem that an existing bamboo rolling machine has a bad rolling effect on bamboo pieces is solved.

The invention relates to an atomic grating reflection coefficient and phase regulation and control method which is characterized in that regulation and control of atomic grating reflection coefficientand phase are realized by controlling the parameter of laser in the atomic grating formation process, wherein regulation and control of the atomic grating reflection coefficient are realized by controlling the acting duration of the laser and the atom, and regulation and control of the grating phase are realized by controlling the phase shift caused by the frequency change of the laser. Continuous and accurate regulation of the atomic grating reflection coefficient and the atomic grating phase can be realized, and independent regulation of the atomic grating reflection coefficient and phase can be realized. Besides, the movement of the mechanical structure is not involved so that the generated vibration, the hysteresis error and the return error can be avoided, and the method has the advantages of being simple and convenient in regulation and control method, continuous in regulation and control, high in regulation and control accuracy and high in regulation repeatability and can be used for regulation and control of the atomic grating in precise measurement.

The invention discloses a combined medicine adding device which comprises a medicine adding tank base, medicine adding tanks and a sewage discharge pipeline, wherein at least two medicine adding tanks are arranged on the medicine adding tank base; the sewage discharge pipeline is communicated with or separated from each medicine adding tank; each medicine adding tank comprises a tank body, a medicine feeding opening and a water inlet in the tank body, a stirrer and a bottom valve in the tank body, and a medicine adding metering pump; each bottom valve is mounted at a liquid outlet in the bottom of the corresponding tank body; each medicine adding metering pump is fixed on the corresponding tank body; the inlet of each medicine adding metering pump is connected with the corresponding bottom valve; each medicine adding metering pump filters medical liquid through the corresponding bottom valve, and pumps the filtered medical liquid into a wastewater system needing to be treated through the sewage discharge pipeline. The combined medicine adding device has the advantages of being high in water treatment efficiency, accurate in medicine adding, high in integration degree, low in production cost, convenient to maintain, and the like.

The invention discloses a variable pressure hydraulic spacing adjusting device which comprises a connecting sleeve, a stand, a connecting plate and a hydraulic spacing adjusting control system, wherein the hydraulic spacing adjusting control system comprises two hydraulic cylinders, a displacement sensor, a proportion integration differentiation (PID) controller, a pressure overflow valve and an oil filter. The invention replaces the mechanical drive spacing adjusting device by using the hydraulic cylinders, and improves the roll spacing control precision and the safe protection pressure precision of an open mill spacing setting system through the drive and the control of the hydraulic systems.

The invention provides a constant pressure type hydraulic distance-regulating device, relating to a distance-regulating device for regulating a roll gap of an open mill. The traditional distance-regulating device of an open mill is a mechanically combined structure of a motor, a decelerator, a worm wheel-worm, a lead screw-nut and the like, which has the defects of difficult accurate positioning, poor synchronization, about 3mm of idle stroke in a forward-backward conversion of a distance-regulating process, no display on a dial, incapability of accurately protecting a device because a protective pressure value of a safety sheet of a grey iron is a discrete value which always has a deviation area about +/-100kN and the like. The constant pressure type hydraulic distance-regulating device highly controls the accuracy of roll gap, effectively provides accuracy of safe protection pressure, improves the operational reliability of an open mill and satisfies the requirement of European certification safety standards.

The invention relates to a three-dimensional pattern sponge cutting machine. The three-dimensional pattern sponge cutting machine comprises a machining support, a conveying platform installed on the machining support, a portal frame stretching across the machining support, and a modeling unit. A cutting support is installed on the portal frame, cutter boxes are further installed on the two sides, in the horizontal direction, of the cutting support, and an annular cutter belt is arranged between the two cutter boxes. The modeling unit comprises a modeling plate installed on the conveying platform and a pressing roller installed on the cutting support, the modeling plate is provided with modeling cavities sunken towards the interior of the modeling plate, and the modeling plate is fixed on the conveying platform through bolts. The three-dimensional pattern sponge cutting machine has the advantages that by designing the modeling unit, a three-dimensional pattern into which sponge is to be cut is formed through cooperation of the pressing roller and the modeling plate; by designing the modeling cavities in the modeling plate, the problem that modeling design on the pressing roller is limited by the size, the space and the like is solved; and the modeling cavities can be designed to be more diversified, and the problem of product simplicity is solved.

The invention discloses an audio processing method. The method comprises the following steps: receiving an original information source signal and an original microphone signal; respectively adjustingthe volumes of the original information source signal and the original microphone signal according to preset volume adjustment information to obtain a quantitative information source signal and a quantitative microphone signal; mixing the quantitative information source signal and the quantitative microphone signal to obtain an audio output signal; and sending the audio output signal to a broadcasting device to complete audio processing. According to the invention, the collected original information source signal and the original microphone signal are adjusted according to the volume adjustment information, the volume of the two signals reaches the preset value, and then the two signals after volume adjustment are mixed and sent, so that the volume of the signal source signal and the volume of the microphone signal are independently adjusted, and the universality is greatly improved. The invention further provides an audio processing device and equipment with the advantages and a computer readable storage medium.

The invention relates to the technical field of mechanical yarn twisting, and discloses yarn twisting equipment for towel production and processing. The yarn twisting equipment comprises a workbench and a plying module located on the workbench, the workbench is provided with a supporting roller used for fixing single-stranded spun yarns, the workbench is further provided with a tension adjusting assembly, a guiding assembly and an auxiliary mechanism, wherein the guiding assembly and the auxiliary mechanism are located on the two sides of the tension adjusting assembly, and the tension adjusting assembly comprises a second supporting frame, an electric push rod, a U-shaped plate and a tension supporting block. According to the yarn twisting equipment for towel production and processing, through cooperative use of the tension adjusting assembly and the auxiliary mechanism, the twisting processing quality can be improved, and therefore the production quality of towels is improved.

The invention discloses a remote-controlled household hot water constant temperature supplying method. A machine for realizing the remote-controlled household hot water constant temperature supplying method comprises a water heater, an intelligent electric switch, an intelligent water pipeline valve, a water level detector, a temperature detector, a main control unit (MCU), a wireless communication module and a personal mobile monitoring terminal, wherein the water level detector and the temperature detector are arranged in the water heater, and are respectively connected with the MCU; the intelligent electric switch is mounted on a power supply line of the water heater; the intelligent water pipeline valve is mounted on a water inlet pipe of the water heater; the intelligent electric switch and the intelligent water pipeline valve are respectively connected with the MCU; the wireless communication module is connected to the MCU; and the wireless communication module is connected with the personal mobile monitoring terminal through a wireless gateway.

The invention provides a bending-adjustable left atrial appendage occluder conveying system and a using method, and the bending-adjustable left atrial appendage occluder conveying system comprises a traction device which adjusts the tightening and loosening of a first traction wire and a second traction wire through a control mechanism, a conveying sheathing canal which is in a linear state in a natural state, a pre-shaping piece which can enable the first bending adjusting part of a first bending adjusting pipe to be bent to a pre-shaping state, a first sliding block which is arranged on the other side, opposite to the pre-shaping piece, in the first bending adjusting pipe, is connected with the first traction wire and can slide relative to the pre-shaping piece under the action of the first traction wire, and a micro-motion adjusting piece which is arranged in a second bending adjusting pipe, connected with the second traction wire and used for finely adjusting the position, close to the far end, of a far-end pipe. According to the bending-adjustable left atrial appendage occluder conveying system, an operator can visually and reliably conduct bending adjustment operation conveniently, and the purpose that the far-end section of the conveying sheathing canal is coaxial with the central axis of a left atrial appendage is achieved conveniently and rapidly.