32results about How to "Less affected by outside" patented technology

The invention provides a moving-coil loudspeaker with an area-alterable capacitive vibration sensor, of which the magnetic path structure is an outer magnetic path or an inner magnetic path. A coil is wound on a conductive voice coil framework to form a voice coil, a capacitive / moving signal converting circuit is provided, the area-alterable capacitive vibration sensor positioned in the same axial direction as the conductive voice coil framework and used for measuring the displacement of the voice coil is arranged between a magnetic-conductive column and a magnetic-conductive upper plate, and capacitance variable output by the area-alterable capacitive vibration sensor is transmitted to the input terminal of the capacitive / moving signal converting circuit. As the capacitance value of the area-alterable capacitive vibration sensor and the displacement of the voice coil form a linear relationship, wide-range linear output is achieved, and the measurement requirement of a large-amplitude highly-dynamic low-frequency loudspeaker is particularly satisfied; and a moving signal of the loudspeaker voice coil can be obtained through detecting the output of the sensor by the capacitive / moving signal converting circuit to serve as a feedback signal to be input into the feedback input terminal of a moving servo amplifier, so that the closed-loop control of the loudspeaker is realized.

The invention discloses a gate opening detection device. The device consists of a measuring rod, a long-stroke displacement sensor, an anti-sway component and a mounting bracket, wherein the long-stroke displacement sensor is used for detecting the actual position of the measuring rod in an opening or closing process of a gate for acquiring a gate opening electric signal; the long-stroke displacement sensor is arranged on the edges on the two sides of the gate; the measuring rod matched with the long-stroke displacement sensor is arranged inside or outside a water retaining working surface of a gate structure; the mounting frame is fixed on a side wall of a gate wall; and the mounting bracket is connected with the long-stroke displacement sensor through the anti-sway component. The gate opening detection device has less conversion links, little outside influence, high detection accuracy, safety, reliability and low cost, is easy to manufacture, adopts a rigid structure, improves the adaptive capacity to a severe environment, and is convenient to install and maintain due to the adoption of external arrangement.

The invention discloses a projection curtain structure for education and teaching, and particularly relates to the technical field of projection curtains, the projection curtain structure comprises amounting box, an unwinding groove is formed in the lower wall of the mounting box, a winding and unwinding mechanism is mounted on the mounting box, an anti-curling mechanism is mounted on the lower wall of the mounting box, and the winding mechanism comprises two supporting blocks; and a worm is rotationally clamped between the two supporting blocks. According to the invention, through the arrangement of the winding mechanism, the winding of the curtain is gently controlled, and the four sides of the curtain are supported during winding, so that the position of the curtain is more stable, theinfluence from the outside is small, the projection effect is good, and the ideological and political education effect is ensured; Through the arrangement of the anti-curl mechanism, the curtain canbe smoothened from the upper part when the curtain is rolled, so that the curtain is prevented from wrinkling and creasing during rolling, the service life of the curtain is prolonged, the surface ofthe curtain is fully cleaned every time the curtain is rolled, and the projection imaging effect is ensured.

The invention discloses a vehicle reversing detection device at a toll lane in a toll station. The vehicle reversing detection comprises a ring coil detector at an electric handrail machine, two groups of ultrasonic detectors or (and) two groups of axle sensors, and a reversing detection controller, wherein the ring coil detector, and the two groups of ultrasonic detectors or (and) the two groups of axle sensors are respectively connected with the reversing detection controller; the ring coil detector is arranged on the toll lane at the automatic handrail machine; the two groups of ultrasonic detectors are over against the ring coil detector and are arranged on one side or two sides of the lane; and the two groups of axle sensors are vertical to the direction of travel and are arranged on the lane at the ring coil detector. The vehicle reversing detection device can be used for accurately recognizing the direction of travel of a vehicle passing by the toll lane and preventing cheat behaviors such as a phenomenon that the driver of a vehicle takes more cards during a reversing process.

The invention discloses a liquid metal battery. The liquid metal battery at least comprises a first component, wherein the first component comprises a first housing and a first conductive crucible arranged in the first housing; a first positive electrode, a first negative electrode and a first negative electrode lead-out rod are arranged in the first conductive crucible; one end of the first negative electrode lead-out rod is inserted into the first negative electrode; the first conductive crucible is filled with a first electrolytic material; a first top cover is arranged at the top of the first housing; an insulation part is arranged in the middle of the first top cover; the first negative electrode lead-out rod is vertically arranged; the other end of the first negative electrode lead-out rod penetrates out of the insulation part and is insulated with the insulation part. According to the liquid metal battery with the structure, the first conductive crucible with the insulation effect is arranged in the first housing and is used for preventing alloy reaction between the first positive electrode and the first housing; the first electrolytic material and the first positive electrode are arranged in the first conductive crucible; the liquid metal battery is relatively long in cycle life, few in the influences of the outside world and relatively convenient to manage.

The invention discloses a method for detecting a hot spot of a solar cell, and the method comprises the following steps: preparing a lamination assembly through a battery piece; applying a reverse bias voltage to the lamination assembly; measuring the temperature of each part of the lamination assembly through a temperature detection device, and observing the phenomenon happening to the laminationassembly. The method provided by the invention can achieve the quick and reliable detection and discrimination of whether the solar cell has a hot spot risk or not through the preparation of a singlecell into the lamination assembly. The method is simple in implementation, is high in operability. The cell does not need to be shaded, and the impact from the outside is small, so the result is moreaccurate.

The invention provides a vertical pipe type sludge-water separation treating device, which is mainly characterized in that the tank wall of a vertical pipe type sludge-water separation treating unit is a pipe wall 1 and a tank bottom plate 2 of the tank body, a tank top plate 3 at the upper part has an inspection well, each vertical pipe type sludge-water separation treating unit is divided by a space partition board 5 and a filler arrangement plate 6 inside, below the filler arrangement plate is a suspension filler 7, on the space partition board 5 are settling sludge guide pipes 8, water holes 9 are formed in the filler arrangement plate 6, a cleaning pipe 10 has an upper opening located at the inspection well position and a lower opening located at the space partition board 5, water inlet and outlet pipes 4 are arranged above the filler arrangement plate 6 and between the filler arrangement plate 6 and the space partition board 5, a settling sludge guide pipe 20 is installed at the settling sludge hole 19, and a sludge guide pipe sludge discharge opening 21 is formed below the space partition board 5. The inventive device can simplify construction, separate sewage treatment from sludge treatment, reduce the influence of sludge on sewage treatment, and facilitate stabilization of controllability of water quality and process of sewage treatment.

The invention discloses a preparation method of oxidation-resistant blueberry bread. The method comprises the following steps of performing grinding on blueberry fruits to obtain blueberry fruit pulp and performing leaching; preparing dry powder; and performing mixing, adding water, and performing fermentation to obtain bread. According to the preparation method disclosed by the invention, blueberry freeze-dried fruit powder is added; blueberry fruit powder is prepared through the following steps of firstly extracting anthocyanidin with edible ethanol under ultrasonic wave condition, then adding malt essence and performing drying to obtain the powder; and finished products of the fruit powder have better drying resistance, fine and smooth qualities and oxidation resistance, when the fruit powder is used for making the bread, the bread is fine, smooth and delicious, and after the bread is exposed to air for a long term, good effects that the bread is not liable to change color, go bad and deteriorate can be achieved.

The present invention provides a micro-invasive intracranial pressure detection system and its application method, belonging to the field of craniocerebral detection technology. Said system includes the following several portions: sensor, electric bridge measurement circuit, signal amplification circuit, phase-sensitive detection circuit, filter circuit, data acquisition circuit, strain correction system, calvaria and dura mater encephalic viscoelasticity processing system, result display, oscillating circuit and power supply, in which the strain correction system and calvaria and dura mater encephalic viscoelasticity processing system are formed into a microcomputer processing system. Besides, said invention also provides the concrete steps of its application method.

A mushroom house of a reject dump belongs to the fields of environment protection and agricultural planting, comprising two side walls, a back wall, a roof, a front wall, a ground and ventilation, lighting, temperature control and drainage facilities. The two side walls and the back wall are adjacent to three soil walls of the reject dump; the roof is a covering arranged above the reject dump; the ground is constructed by paving the bottom of the dump; the front wall is provided with a door through which vehicles can pass. The mushroom house of the invention which is built by using the rejectdump not only solves the problem of environment pollution of the reject dump but also has the characteristics of simple construction, low cost, high yield, environment protection and energy saving.

The invention provides a solid-liquid separation sewage treatment device which is characterized in that the sewage treatment device comprises a deposition tank positioned on the front end and connected in series with three solid-liquid separation treatment units. Each Solid-liquid separation sewage treatment device is divided into a sewage treatment space and a sludge treatment space by using a sludge-sewage separation bottom plate 8 and a sludge-sewage separation side wall plate 3. An interception device 6 is arranged in the sewage treatment space. At least one deposited sludge side discharge port 9 is arranged at the lower part of the sludge-sewage separation side wall plate 3. The upper surface of the sludge-sewage separation bottom plate 8 is inclined to the deposited sludge side discharge port 9. Rinsing ports 4 are respectively provided on side walls on the two sides corresponding to the sewage treatment space, and are positioned on the side walls above or below the interception material or device 6. Inspection ports 5 are provided on the top plate of the tank bodies of the sewage treatment space and the sludge treatment space. A ventilation hole (pipe) 11 is provided on the upper part of the side wall. With the device and the method, sewage treatment and sludge treatment can be separated, such that the influence on sewage treatment caused by digestion gas and sludge degradation products is reduced, and sewage treatment and sludge reduction treatment can be realized simultaneously.

The invention discloses a fan oscillation control method. The control method comprises the following steps: inputting a DC (Direct Current) PWM (Pulse Width Modulation) signal; converting the DC PWM signal into an AC (Alternating Current) sine signal by adopting a sine pulse width modulation method; according to the AC sine signal, driving an oscillation motor of the fan to control the fan to oscillate. According to the fan oscillation control method disclosed by the invention, electromagnetic noise generated by the oscillation motor can be reduced, efficiency of the oscillation motor is improved, and the oscillation motor is interfered by the outside a little. The invention also discloses a fan oscillation control device and a fan with the same.

The invention discloses an identification method for nonlinear characteristics of a hinge-containing flexible structure, which comprises the following steps of performing a dynamic test on the hinge-containing flexible structure, and simultaneously obtaining a structure displacement response x, a speed response v, an acceleration response a and an external excitation f; f = f according to formulaF=f-ma, calculating the restoring force F of the structure, wherein m is the mass of the hinge-containing flexible structure; utilizing the obtained three-dimensional data {x, v, F} to make a three-dimensional point set of the restoring force F about the displacement response x and the speed response v; adopting a natural neighborhood interpolation method to interpolate the three-dimensional pointset {x, v, F} and making a three-dimensional restoring force curved surface; when the speed is zero, extracting a displacement and restoring force relation curve, and determining a damping model through curve fitting; and when the displacement is zero, extracting a speed and restoring force relation curve, and determining a rigidity model through curve fitting. According to the method, the complex nonlinear model containing the hinge structure can be accurately identified, and the identification result is high in reliability.

The invention discloses a medicine decocting device with a crushing function, relates to the field of medicine auxiliary equipment, and provides the following scheme aiming at the problems that an existing medicine decocting device cannot crush medicinal materials in the decocting process and is large in limitation, high in labor cost and low in working efficiency. The medicine decocting device comprises a tank body, and a sealing cover is arranged at the top end of the tank body; a baffle is fixedly installed on the side, close to the tank body, of the sealing cover; a motor is fixedly installed on the inner side, away from the tank body, of the sealing cover; a rotating shaft is fixedly installed on an output shaft of the side, close to the tank body, of the motor; a bearing is fixedly installed on the side wall of the rotating shaft; the side, away from the motor, of the rotating shaft is connected with a rotating column; the rotating column is embedded in the rotating shaft; smashing and stirring fan blades are installed at the end, away from the rotating shaft, of the rotating column; and a fixed column is installed on the sealing cover. The medicine decocting device with thecrushing function is novel in structure, easy to operate, wide in application range, convenient to maintain and clean, high in stability and good in crushing effect.

The invention discloses a field crop root phenotype acquisition system. The system comprises a first-direction root phenotype acquisition subsystem and a second-direction root phenotype acquisition subsystem which are perpendicular to each other. The first-direction root system phenotype acquisition subsystem can directly acquire overall phenotype data of crop root systems in a root window monitoring mode. The acquisitionmode is fast and convenient. The root phenotype in the second direction can be obtained through the root canal system, the root canal is buried in the ground at different depths, phenotype data of 360 degrees near the crop root system at the depth can be completely obtained, and the detail structure of the crop root system can be conveniently and accurately sampled at different dimensions. Moreover, the root canal is slightly affected by the outside, and data and images of soil moisture and temperature of various plant root systems and growth parameters of crop root systems can be dynamically collected in real time in an all-weather mode.

A mushroom house of a reject dump belongs to the fields of environment protection and agricultural planting, comprising two side walls, a back wall, a roof, a front wall, a ground and ventilation, lighting, temperature control and drainage facilities. The two side walls and the back wall are adjacent to three soil walls of the reject dump; the roof is a covering arranged above the reject dump; the ground is constructed by paving the bottom of the dump; the front wall is provided with a door through which vehicles can pass. The mushroom house of the invention which is built by using the rejectdump not only solves the problem of environment pollution of the reject dump but also has the characteristics of simple construction, low cost, high yield, environment protection and energy saving.

The invention provides an adjustable steel docking block which comprises a steel base, an adjustable iron wedge block and a lifting support, the steel base comprises a bottom plate, a seat frame, toggle plates and a supporting plate, the seat frame is symmetrically arranged in the center of the bottom plate through side plates, an adjustable iron wedge block rail is arranged in the middle of the seat frame, and the toggle plates are symmetrically arranged at the two sides of the seat frame; the lifting support comprises a top plate, frame plates symmetrically arranged under the top plate frontand back, a supporting plate in the upper portion of the top plate and a plurality of supporting blocks on the supporting plate, the frame plates are matched with the seat frame on the base, and thesupporting blocks are arranged along the edges and the middle of the supporting plate respectively; and the toggle plates are connected with cement piers through connecting pieces. The adjustable steel docking block has the advantages of being simple in structure, convenient to disassemble and assemble, low in cost and high in practicability.

The invention belongs to the technical field of conveying equipment, and particularly discloses an ultra-long-distance large-volume aluminum oxide conveying method and system. Conveying modes are selected according to terrains, a tubular belt conveyor is selected in a long-distance uphill section, and a pneumatic chute system is selected in a downhill section or a gentle section; an air cushion belt conveyor is selected in a short-distance uphill section or for lifting requirements; and a transfer station and a dust removal device are arranged at the joint of the each conveying mode. The ultra-long-distance large-volume aluminum oxide conveying method and system have the beneficial effects that the method and the conveying system are provided, multiple conveying tools are comprehensively utilized, the application of the alumina powder in different terrains is realized by utilizing the combination of different characteristics of the multiple conveying tools, and the problems of ultra-long distance transportation of the alumina powder, flying dust in the transportation process and the like are solved, and the ultra-long-distance large-volume aluminum oxide conveying method and systemhave the characteristics of high efficiency, environment friendliness, high stability, small in suffering external influence and high comprehensive cost performance, and can meet the requirement of large-volume transportation.

The invention discloses a method for installing large-span front fulcrum guyed hanging baskets, and relates to the field of bridge construction. The method mainly comprises the following steps that step 1, beret pieces and rear anchor threaded steel are firstly installed, then a plurality of sets of lifting devices are installed, wherein the lifting devices are connected with a same power supply;step 2, equal length steel strands and work anchors at the anchoring end under the hanging baskets are installed; step 3, all lifting points are maintained at the same height, and the hanging basketsare simultaneously lifted; and step 4, after the hanging baskets are lifted in place, force system conversion operation is carried out. By adopting the technical scheme, the steel strands first selected are of equal length, so that after the steel strands are installed with the lifting points, the height of the lifting points can be ensured to be equal during initial lifting. In addition, the samepower supply is used for controlling the lifting devices, and guarantee of the synchronization of the lifting devices is facilitated.

The invention discloses a liquid charging device and method based on a hydrostatic level monitoring system, which comprises a plurality of liquid storage tanks that are connected by pipelines in sequence. The liquid charging device comprises a liquid storage device for containing liquid, a submerged pump arranged in the liquid storage device, and a generator, which is connected to the submerged pump through a wire. The water outlet of the submerged pump is provided with a water outlet adapter, which is connected to a water filling pipeline. The liquid charging device carries out liquid charging based on the hydrostatic level monitoring system; the artificial installation speed of hydrostatic level system is accelerated, the construction difficulty is reduced, and the measurement precision of hydrostatic level system is improved. The liquid charging device is suitable for the systems that are used to charge liquid into long-distance pipelines. Because the work efficiency of the provided liquid charging device is high, and no bubble is generated during the liquid charging process, the measurement error caused by bubbles in pipelines is reduced. The liquid charging device is especially suitable for precise liquid monitoring systems.

The invention discloses a construction structure of exterior facade black brick decoration and a construction method, and belongs to the technical field of building decoration construction. The construction structure comprises a steel plate, steel channels, a first rectangular steel pipe, a second rectangular steel pipe, first square pipes and second square pipes, wherein the inner side of the steel plate is fixedly installed on an exterior facade of an original building, the first rectangular steel pipe is vertically and fixedly installed on the outer side of the steel plate, the second rectangular steel pipe is arranged on the outer side of the first rectangular steel pipe, the second rectangular steel pipe is fixedly connected with the first rectangular steel pipe through a plurality offirst square pipes and second square pipes to form a brick curtain wall supporting system, and the steel plate is fixedly connected with the brick curtain wall supporting system through the pluralityof steel channels. According to the construction structure and the construction method, the structure is simple, the size is small, manual carrying and assembling are facilitated, construction is convenient, and the construction period is shortened; component prefabrication production and assembly type construction are adopted, the standardization degree is high, and great popularization in a construction site in the future is facilitated; and the construction method is economical, reasonable, energy-saving, environment-friendly and beneficial to cost control and resource environment protection.

The invention discloses an adjustable two-line socket socket, which comprises a socket body, the socket body includes an insertion box and an adjustment box, the adjustment box is connected through the left side of the insertion box, a rotating shaft is arranged in the adjustment box, and one end of the rotating shaft protrudes for adjustment The box is fixedly connected to the handle plate, and the shaft is evenly provided with a number of engaging discs, and the engaging disc is provided with engaging grooves; The base, the front and back of the base are symmetrically provided with connecting pieces, the adjacent ends of the two connecting pieces on the same base are symmetrically provided with elastic contact pieces, and the other end of the connecting piece is provided with an engaging piece that matches the engaging groove; The invention directly adjusts the distance between the connecting pieces by setting the adjustment structure, thereby tightening the distance between the elastic contact pieces, making it easy for the plug to be in close contact with the elastic contact pieces, and to connect the power supply. This connection contact structure can adapt to various The shape of the plug, and the spacing between the elastic contacts, less affected by the outside world.

The invention discloses a vehicle reversing detection device at a toll lane in a toll station. The vehicle reversing detection comprises a ring coil detector at an electric handrail machine, two groups of ultrasonic detectors or (and) two groups of axle sensors, and a reversing detection controller, wherein the ring coil detector, and the two groups of ultrasonic detectors or (and) the two groups of axle sensors are respectively connected with the reversing detection controller; the ring coil detector is arranged on the toll lane at the automatic handrail machine; the two groups of ultrasonic detectors are over against the ring coil detector and are arranged on one side or two sides of the lane; and the two groups of axle sensors are vertical to the direction of travel and are arranged on the lane at the ring coil detector. The vehicle reversing detection device can be used for accurately recognizing the direction of travel of a vehicle passing by the toll lane and preventing cheat behaviors such as a phenomenon that the driver of a vehicle takes more cards during a reversing process.

The present invention provides a micro-invasive intracranial pressure detection system and its application method, belonging to the field of craniocerebral detection technology. Said system includes the following several portions: sensor, electric bridge measurement circuit, signal amplification circuit, phase-sensitive detection circuit, filter circuit, data acquisition circuit, strain correction system, calvaria and dura mater encephalic viscoelasticity processing system, result display, oscillating circuit and power supply, in which the strain correction system and calvaria and dura mater encephalic viscoelasticity processing system are formed into a microcomputer processing system. Besides, said invention also provides the concrete steps of its application method.

A system for obtaining root phenotypes of field crops. The present invention includes a first-direction root phenotype acquisition subsystem and a second-direction root phenotype acquisition subsystem that are perpendicular to each other. Among them, the first-direction root phenotype acquisition subsystem can directly obtain the overall phenotype data of crop roots through root window monitoring. Its collection method is fast and convenient. The root phenotype of the second direction can be obtained through the root canal system. The root canals are buried at different depths underground, and the 360° phenotype data near the crop root system at this depth can be completely obtained, which can facilitate the detailed structure of the crop root system in different dimensions. for accurate sampling. In addition, the root canal is less affected by the outside world, and data and images of soil moisture, temperature, and crop root growth parameters of various plant roots can be collected in real time, dynamically, and around the clock.