31results about How to "Increase the scale" patented technology

The invention relates to a fluid energy machine (1), in particular compressor (3) or pump, having a housing (7), having a motor (4), having at least one impeller (11), having at least two radial bearings (17, 18) and having at least one shaft (5) which extends along a shaft longitudinal axis (6) and which supports the at least one impeller (11) and a rotor (15) of the motor (4), wherein the shaft (5) is mounted in the radial bearings (17, 18), wherein the motor (4) has a stator (16) which at least partially surrounds the rotor (15) in the region of the motor (4), and wherein a gap (22) which extends in the circumferential direction and along the shaft longitudinal axis (6) is formed between the rotor (15) and the stator (16) and between the rotor (15) and the radial bearings (17, 18), which gap (22) is at least partially filled with a fluid. Conventional fluid energy machines (1) have a restricted operating range as a result of destabilizing aerodynamic or hydrodynamic forces in the gap (22) between the stator (16) and the rotor (15). The invention aims to remedy this in that the motor (4) is also embodied as a bearing and is connected to a controller (2), which activates the motor (4) in such a way that forces (60) acting radially with respect to a shaft longitudinal axis (6) can be exerted in addition to torques (30) for driving the fluid energy machine (1).

The invention relates to a spouted bed reactor and a method for synthesizing chlorinated polyvinyl chloride by using low-temperature plasmas. The reactor mainly comprises a reactor main body, a gas and solid separating zone, a gas and solid separating device and the like, wherein the gas and solid separating zone and the gas and solid separating device are arranged at the top of the reactor body.A low-temperature plasma generating device is arranged in the reactor main body and divides the interior of the reactor main body into a low-temperature plasma reaction zone and a granule descending chlorine migration zone. The method of the spouted bed reactor synthesizing chlorinated polyvinyl chloride is characterized in that the polyvinyl chloride is induced to be quickly chloridized by usingthe low-temperature plasmas, and the polyvinyl chloride granules are spouted in a low-temperature plasma discharging zone to generate chloridizing reaction; and the granules carried out of the low-temperature plasma reaction zone by air flow are deposited in the granule descending chlorine migration zone to realize circulation chloridizing of the granules. The invention utilizes the low-temperature plasma method to simultaneously activate chlorine gas and polyvinyl chloride granules at low temperature; and the product efficiency and the product quality are preferably enhanced.

The invention relates to a lubricating oil additive. According to a technical scheme in the invention, a preparation method for the lubricating oil additive comprises the following steps: 1) adding ametal element into the petroleum heavy oil to accelerate the forming speed of nanometer carbon liquid crystal balls; 2) pumping the heavy oil into a thermal polymerization circulating pipe by using apump, carrying out vacuumizing, and forming nanometer carbon liquid crystal balls in the petroleum heavy oil through a thermal polymerization reaction; 3) carrying out hydrofining cracking to remove N, O and S impurities in the heavy oil and crack out a part of light components, medium components and heavy components, wherein most of the nanometer carbon liquid crystal balls are dissolved in the medium components; and 4) applying oily liquid obtained in the previous step as a high-performance lubricating oil addictive. The preparation method of the invention has the beneficial effects that thehigh-performance lubricating oil addictive can be obtained by directly removing impurities such as N, O, S and the like from heavy oil in hydrofined and cracked middle components; preparation processis simple, energy-saving, and environment-friendly; and the preparation method is easy to popularize, and provides a new way for development and utilization of petroleum heavy oil.

The invention discloses a difference frequency active scanning type grating displacement sensor and a measuring method, which achieving the grating measurement based on grating pitch and solving the problem of high-precision measurement in a macro-micro cross-scale measurement. The specific implementation method comprises the following steps of: dividing the measured displacement L into two partsof L<n> and delta 1, wherein the size of L<n> is n / 4 (n=0, 1, 2, 3 and the like) times the main grating pitch P<1>, and is acquired by a grating measuring method; delta 1 is the part that less than aquarter of P<1> in the measured displacement, firstly recording a phase difference as shown in the specification / description of the main grating reading unit at Ln and the measuring grating reading unit signal, then recording a signal phase difference as shown in the specification / description of the two reading units at the final position L, and finally subjecting the two reading units to secondary movement delta L by a micro movement element, so that the phase difference of the signal is recovered from the phase difference as shown in the specification / description to the phase difference as shown in the specification / description to obtain a equation of delta 1 = (P<1>-P<2>)*delta L / P<2>; and finally obtaining the measured displacement value L= L<n>+delta 1. According to the difference frequency active scanning type grating displacement sensor and a measuring method, the grid distance difference (P<1>-P<2>) is used as a measurement reference, and a higher measurement resolution (greater than the micro movement element resolution) is obtained through the micro movement element in the range of P<1> / 4.

The invention belongs to the technical field of flexible circuit boards, and in particular relates to a manufacturing process of a hollow flexible circuit board for a new energy vehicle, comprising the following steps: 1) forming a circuit on the copper foil of a copper foil plate of a base film; Printing ink on the base film; 3) Using laser etching to etch a hollow prototype on the base film, and no copper leaks from the hollow prototype after laser etching; 4) Using an etching solution to etch away the hollow prototype, the hollow molding has high efficiency and high precision. Improve the performance of flexible circuit boards.

The invention discloses a flexible connection and installation structure of a double-helix circular structure rotary staircase structure, which includes a building structure (1), a staircase structure, a retractable energy storage device (2) with buffering properties, and a channel steel bracket (4 ), the stair structure is connected to the building structure (1) through the energy storage device (2), the channel steel support (4), the energy storage device (2) in turn. A rubber buffer strip (6) is arranged between the building structure (1) and the stair structure. The energy storage device (2) includes an iron plate (3), bolts (5), and springs, the bolts (5) pass through the iron plate (3), and the springs are installed on the bolts (5); one side of the energy storage device (2) The iron plate (3) is connected to the channel steel bracket (4), and the iron plate (3) on the other side is connected to the building structure (1) or the staircase structure. The invention can effectively reduce the structural damage of the rigid connection of the spiral staircase, improve the stability, applicability, comfort and aesthetics of the staircase; and the construction is simple and easy.

The invention discloses a waste water treatment tank device with an alarm, comprising an upper tank body and a lower tank body, wherein the upper tank body and lower tank body are respectively fixedly connected with a tank body fixing frame, thereby realizing support separately from each other; an access panel is arranged between the upper tank body and the lower tank body, external threads are formed on the external circumferential surfaces of the upper tank body and lower tank body, a connecting sleeve can cover the access panel through screw-thread fit to close the tank bodies; a sensor combination device, a microprocessor and an alarm connected sequentially are arranged on the top of the upper tank body; the microprocessor is used for judging whether collected data transmitted by the sensor combination device is in a preset range, and when the collected data exceeds the preset range, the microprocessor causes the alarm to operate. The waste water treatment tank device ensures the closeness of the tank bodies, increases the dimension of the access panel to be convenient for maintenance, and the sensor combination device, microprocessor and alarm are helpful to working personnel to learn about conditions in the tank.

The invention relates to a composite soft magnetic material and a preparation method thereof, belonging to the technical field of magnetic material preparation. The material is made of insulatingly coated amorphous or nanocrystalline scales overlapped in a layered structure. The magnetic permeability range of the composite soft magnetic material is 100-1000; the preparation method is: firstly, the amorphous / nanocrystalline The strip is crushed and heat-treated to make the amorphous or nanocrystalline scales; secondly, the coating agent is diluted with a diluent in a certain proportion, and then the diluted coating agent and the scales are insulatingly coated and pre-coated. Forming treatment to obtain the insulation-coated intermediate material; finally, pressing the insulation-coated intermediate material to finally obtain the composite soft magnetic material. The novel composite soft magnetic material prepared by the preparation method of the invention has adjustable material magnetic permeability and obvious layered structure; the method is simple in insulation treatment and convenient in operation.

The invention relates to the technical field of intelligent control and image processing, in particular to a multi-source large-scale face exposure 3D printing method. Increasing the printing area of a face exposure 3D printer is the purpose of the method, and the method comprises the following steps that searching of a maximum slice is conducted, wherein all slices in a model are traversed, and the slice with the maximum exposure area is sought; reference point obtaining is conducted, wherein the outline of the slice with the maximum exposure area is obtained, and the upper left corner point and the lower right corner point of the exposure area are determined to serve as two reference points according to the outline; an external rectangle is made in the exposure area of an original slice according to the reference points and cut, the total area needing to be exposed is obtained, the cut area is isometrically amplified with the width and height of the area needing to be exposed as the maximum limit, and the amplified image is fused with a black background with the total exposure size; and the slice is cut and processed according to the number and placing positions of projectors, and then the slice is stored. According to the multi-source large-scale face exposure 3D printing method, the exposure size can be increased, and meanwhile transportability and printability are achieved.

The invention provides an automatic door lock, comprising a lock shell having a dead bolt hole molded with dead lock hole; a lock assembly installed on the lock shell panel and the lock shell bottom panel corresponding to a molded lock installation hole; a bolt mechanism installed in the lock shell capable of moving along the direction perpendicular to the lock shell panel; a locking control mechanism for controlling the bolt in the bolt mechanism extruding from and retracting into the panel; and a bolt locking mechanism matched with the door handle operating mechanism. The automatic door lockimplements engagement and disengagement of the stop member with a fixed stripe and a movable stripe by coupling of the fixed and the movable stripe, the stop member is capable of engaging with the fixed and the movable stripe at different positions, incomplete unlocking operation due to extrusion of a bolt partially retracted into the shell is prevented.

The invention discloses an interactive base map update method and device. The update method includes the following steps: performing coarse registration and fine registration on the panoramic base map and the update image to obtain matching points, and calculating the total number according to the matching points. Transform parameters; obtain the overlapping image between the panorama base map and the updated image according to the total transformation parameters; obtain the invariant area set between the overlapping image and the updated image; determine the color correction parameters according to the invariant area set, and update the image based on the color correction parameters The image is color corrected; the updated image after color correction is linearly weighted and fused with the edges of the overlapping images, and stitched into the panorama basemap to obtain an updated panorama basemap. This method can improve the accuracy of resolution, scale and content registration between the panoramic basemap and the updated image by performing coarse and fine registration on the image, and use the correction parameters to correct the image to reduce the color difference between the images , for a panorama basemap with ideal color correction.

The invention relates to the composite technical field, in particular to a manufacturing method of metal matrix nanocomposites with high toughness. According to the manufacturing method, the size, distribution, interface structure of reinforcement bodies and the metal matrix micro-structure are effectively controlled by the combined composite process of twice ball-milling, discharging plasma in situ reaction sintering and the large strain plastic deformation technology, so that ultra-fine grain metal matrix composites with evenly distributed in situ authigenic nanoparticles and good interface combination are manufactured, and good matching of intensity and toughness is obtained.

The invention belongs to the technical field of intelligent monitoring of economic forests, and discloses a method for quickly estimating the yield of a large-area camellia oleifera forest. The method for rapidly estimating the yield of a large-area camellia oleifera forest based on remote sensing of a drone includes: selection of camellia oleifera forest; data collection of camellia oleifera forest; extraction of camellia oleifera forest crown; typical Camellia oleifera sampling; low-altitude aerial photography of camellia oleifera forest; intelligent detection of camellia oleifera fruit; rapid production estimation of camellia oleifera forest. The present invention is based on the unmanned aerial vehicle aerial photography technology, carries out the large-area Camellia oleifera forest rapid production estimation, fills the gap of domestic Camellia oleifera forest rapid production estimation. The low-altitude UAV aerial photography of the present invention has the characteristics of flexible operation, high data acquisition efficiency, low image cost, and strong timeliness, and can quickly obtain the spatial distribution information of Camellia oleifera forest in the test area; the present invention has fast, non-destructive, high accuracy, The advantage of large scale; it can realize the rapid detection, counting and evaluation of the yield data of camellia oleifera forest, and has the potential to be applied to the rapid production estimation of large-area camellia oleifera forest.