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1544results about How to "Quality assurance" patented technology

High-precision winding device of enameled wires

The invention discloses a high-precision winding device of enameled wires. The high-precision winding device comprises a frame. The frame comprises an upper support plate, a middle connecting rod and a base plate, wherein the lower end of the middle connecting rod is fixed on the base plate, the upper end of the middle connecting rod is fixed on the upper support plate, a master drive motor and a slave drive motor are fixed on the upper plane of the upper support plate, a lifting air cylinder is fixed at the bottom of the base plate, the push rod of the lifting air cylinder extends out of the upper plane of the base plate, a lower limit block is hinged to the push rod, the output shaft of the master drive motor penetrates out of the lower plane of the upper support plate, an upper limit block is fixed on the output shaft through a coupler, a groove is formed in each of the upper end and the lower end of a winding reel, and the upper limit block and the lower limit block are respectively inserted into the corresponding grooves of the winding reel; a buffer spring is fixed on the middle connecting rod, a hinge rack is fixed at the other end of the buffer spring, a forced-contact roller is hinged to the hinge rack, and the forced-contact roller is close to the middle lateral wall of the winding reel. By the high-precision winding device guide winding of the enameled wires can be achieved, and friction among the enameled wires can be reduced.
Owner:SUZHOU SHENGLI WIRE

Depth image processing method based on light field

ActiveCN106228507AQuality assuranceExpand the scope of popular applicationGeometric image transformationSteroscopic systemsReflectivityNormal field
The invention discloses a depth image processing method based on a light field, comprising the steps as follows: using a light field acquisition device to get an initial 4D light field color image and an initial depth image of a default shooting target; performing preprocessing to get an initial 3D grid model of the default shooting target and a corresponding initial normal field; carrying out analysis and calculation to get the surface reflectivity of the default shooting target; modeling the light field image according to the initial normal field and the surface reflectivity of the default shooting target to get an illumination model and illumination parameters; optimizing the initial normal field of the default shooting target according to the surface reflectivity of the default shooting target and the illumination parameters of the illumination model; and enhancing the depth of the initial depth image according to the optimized normal field, and then, reconstructing the 3D grid model of the default shooting target. Through the method, the shape of a shooting target can be reconstructed based on a 4D light field, light field imaging stereo display of the shooting target can be realized, and a high-quality depth image can be obtained.
Owner:天津中科智能识别有限公司

Fruit and vegetable logistics fresh-keeping transportation control system

The invention relates to a fruit and vegetable logistics fresh-keeping transportation control system. Main technical characteristics of the system are as follows: the system comprises a plurality of node controllers, a main controller and a fruit and vegetable fresh-keeping transportation monitoring server, the plurality of the node controllers are connected with the main controller together through a wireless sensing network, the node controllers send acquired information of environment in a fruit and vegetable fresh-keeping transportation vehicle to the main controller through the wireless sensing network, and the main controller is connected with the fruit and vegetable fresh-keeping transportation monitoring server together through a mobile communication network to realize functions of controlling temperature and humidity of the fruit and vegetable fresh-keeping transportation vehicle. According to the invention, through the node controllers installed in the fruit and vegetable fresh-keeping transportation vehicle, the main controller acquires information of temperature, humidity, oxygen, carbon dioxide, ethylene data and the like of a fruit and vegetable environment in real time and carries out effective control on temperature and humidity, quality of fruits and vegetables in a fruit and vegetable fresh-keeping transportation process is ensured, unified scheduling and management of a monitor center are realized simultaneously, and an automation processing level and work efficiency are raised.
Owner:TIANJIN UNIVERSITY OF SCIENCE AND TECHNOLOGY

Automatic butt welding equipment for metal sheet

The invention provides automatic butt welding equipment for metal sheet. The equipment comprises a frame, a welding machine, a welding gun, a welding gun operation driving mechanism, a laser director, an electric cabinet, a workpiece centering mechanism and a workpiece clamping mechanism, wherein the workpiece centering mechanism comprises a pad, a center positioning component, a left press plate component and a right press plate component; the workpiece clamping mechanism comprises two groups of clamp devices which correspond to the left press plate component and the right press plate component respectively; and each group of the clamp device at least comprises a fixed press plate pivot, and a pair of an extending air bag and a pressing air bag, and the pair of the extending air bag and the pressing air bag are positioned above the press plates and on the left side and the right side of the press plate pivot respectively. Furthermore, the left press plate and the right press plate respectively comprise a plurality of small press plates which are arranged in parallel, wherein the press plate in the middle is thickest, and the thicknesses of the small press plates are reduced progressively from the middle to two sides. Through the centering mechanism and the clamping mechanism, two metal sheets to be subjected to butt welding can easily realize centering and aligning of the workpiece, so that the butt welding can be automatically completed quickly and effectively, and the optimum butt welding quality can be ensured.
Owner:上海新亚焊割成套设备有限公司

Space-based detecting and tracking imaging system testing device and testing method

The invention provides a space-based detecting and tracking imaging system testing device and a testing method. The testing device comprises an air-floating platform (1), a high-precision movable target (4), a collimator loaded on the high-precision movable target for providing an infinite-far shooting object, and an angular velocity measuring device mounted on the air-floating platform (1); the space-based detecting and tracking imaging system as a system to be tested (5) is coaxially and fixedly mounted on a rotating platform of the air-floating platform (1), and a triaxial intersection point of the system to be tested is a vertex of a rotating light cone of the high-precision movable target (4); the rotating platform is attached to a pull wire along a tangential direction, and hangs a weight (2) by being winded with a fixed pulley, and tangential force is applied to the rotating platform by the dead weight of the weight. The invention realizes the testing of a plurality of important performance indexes of the space-based detecting and tracking imaging system, and thus further adjustment and optimization, guarantees product quality, and ensures the quality of the space-based detecting and tracking imaging system and the normal operation on rails.
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI

Image denoising method based on adversarial generative network

The invention discloses an image denoising method based on an adversarial generative network, and the method is characterized in that the method comprises the following steps: step1, carrying out thepreparation of a data set; step 2, constructing a generative network: taking the input of the generative network as a noise image, extracting noise characteristics, and performing image denoising processing; step 3, constructing a discrimination network: determining that the input of the discrimination network is a clear image without noise and an image generated by a generation network, and thenperforming discrimination; step 4, training the generative adversarial network by using a noise-free clear image and a noise image according to the idea of the generative adversarial network to obtaina trained image denoising adversarial generation network, and storing the trained parameters; wherein the generative adversarial network comprises a generative network and a discriminant network; andstep 5, inputting the noise image into the trained generation network to obtain a denoised image. According to the method provided by the invention, manual feature extraction is not needed, manual intervention is reduced, and the quality of the denoised image is ensured.
Owner:DALIAN NATIONALITIES UNIVERSITY

Automatic food selling method and automatic food selling machine

The invention relates to the technical field of vending equipment and in particular to a method and machine for food automatically selling. The method includes receiving a food purchasing command which includes additional information of food; judging whether the additional food information includes heating information or not, if yes, controlling a mechanical arm to pick up the food from a freezing or cold storing device and transfer the food a heating device for heating; after heating, controlling the mechanical arm to pick up the food from the heating device and transfer the food a thermal insulation device connected with a delivering device; judging whether the food in the thermal insulation device is delivered within the preset-time, and if not, picking up the undelivered food and transferring the same to a recycling place by the mechanical arm. The functions of freezing / cold storing, heating and thermal preserving are integrated, and the quality of the food can be guaranteed in long time. The machine which is convenient and quick has the advantages that space is more reasonably utilized by adopting the mechanical arm to pick up food, the size of the machine is decreased and the cost is lowered as compared with the existing belt conveyors.
Owner:深圳市疯狂左手信息技术有限公司

Water cooling temperature control method of mass concrete of blast furnace foundation

InactiveCN101914992AQuality assuranceDelayed release timeBuilding material handlingRebarSteel tube
The invention relates to a water cooling temperature control method of the mass concrete of a blast furnace foundation. The method comprises the following steps: (1) embedding circulating water cooling steel pipes on a concrete foundation steel reinforcement holder; connecting the cooling water steel pipes; performing a water-filling pressure test to check whether the leakage point exists; (2) beginning concreting while opening a water pump to circulate the cooling water; (3) monitoring water temperature: adjusting the difference value of the temperature of the water inlet and the temperature of the water outlet to 20-25 DEG C; and (4) controlling the difference value of the maximum temperature in concrete and the temperature on the surface of concrete to 20-25 DEG C. By embedding the cooling water pipes, the temperature difference in and out of concrete can be reduced, the structural crack of concrete can be avoided; and the time for losing heat in concrete is shortened, the maintenance time of the concrete structure is reduced, and the concrete quality is ensured. The work efficiency can be increased by at least four times, the cost is greatly reduced, the work efficiency is increased, and conditions are created for the advance construction of the next procedure.
Owner:TIANJIN 20 CONSTR

Automotive upholstery pre-shaping machine adopting air filling method

ActiveCN102776717AEnsure consistencyQuality assuranceFelting apparatusEngineeringFiber
The invention provides an automotive upholstery pre-shaping machine adopting an air filling method, belonging to the technical field of automotive upholstery production devices. The automotive upholstery pre-shaping machine adopting the air filling method comprises a pre-shaping box, an airflow circulation mechanism, a fiber weighing and measuring mechanism, a fiber conveying mechanism and a hot air generation mechanism, wherein a box cover is formed on the top part of the pre-shaping box; a box chamber opening/closing mechanism is arranged on one side of the pre-shaping box; a pre-shaping mould is arranged on the top of a box chamber; an aspiration hole is opened in the pre-shaping mould; a fiber feeding mechanism is arranged on the bottom of the pre-shaping box; the airflow circulation mechanism is connected with the box cover in a matched way, and further stretches to the bottom of a pre-shaping box frame; the fiber weighing and measuring mechanism is arranged on the terrace of a use place or configured on a support on the terrace; the fiber conveying mechanism is connected with the fiber weighing and measuring mechanism, and connected with the airflow circulation mechanism as well; and the hot air generation mechanism is connected with the airflow circulation mechanism by a pipeline. The automotive upholstery pre-shaping machine adopting the air filling method has the advantages that the density of a fiber cotton layer which is adsorbed onto the pre-shaping mould can be enabled to be consistent; the overall structure is simple, and moreover, the ideal automation degree can be reflected, and the labor intensity is decreased for workers; and additionally, the processing efficiency is ideal and the energy is saved.
Owner:CHANGSHU FEILONG NON WOVEN MACHINERY

Automotive upholstery pre-shaping machine

The invention provides an automotive upholstery pre-shaping machine, belonging to the technical field of automotive upholstery production devices. The automotive upholstery pre-shaping machine comprises a pre-shaping box, an airflow circulation mechanism, a fiber weighing and measuring mechanism and a hot air generation mechanism, wherein a box cover is formed on the top part of the pre-shaping box; a box chamber opening/closing mechanism is arranged on one side of the pre-shaping box; a pre-shaping mould is arranged on the top of a box chamber; an aspiration hole is opened in the pre-shaping mould; a fiber feeding mechanism is arranged on the bottom of the pre-shaping box; the airflow circulation mechanism is connected with the box cover in a matched way; the fiber weighing and measuring mechanism is arranged on a terrace; the hot air generation mechanism is connected with the airflow circulation mechanism by a pipeline; and the airflow circulation mechanism comprises a working motor, a fan, an aspiration pipe, an air supply pipe, a connection cotton box and a cotton guide box. The automotive upholstery pre-shaping machine has the advantages that the quality of automotive upholsteries which are pressed and shaped by subsequent pressing processes can be reliably guaranteed, the overall structure is simple, and the labor intensity is decreased for workers; and additionally, the processing efficiency is ideal and the energy is saved.
Owner:CHANGSHU FEILONG NON WOVEN MACHINERY
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