Raman suppression device, manufacturing method and manufacturing device

The invention relates to the field of high-power fiber lasers, in particular to a Raman suppression device, a manufacturing method and a manufacturing device. The fiber is mainly characterized in that a cladding wraps a fiber core, a coating wraps the cladding, and the cross sections of the fiber core, the cladding and the coating are concentric circles; wherein the fiber core comprises a fiber core grating, a first included angle is formed between the fiber core grating and the axial direction of the optical fiber, and the fiber core grating is used for reflecting Raman light in the fiber core to the cladding; the surface of the cladding comprises a channel, and a second included angle is formed between the channel and the axial direction of the optical fiber and used for stripping cladding light in the optical fiber. The Raman suppression grating and the CPS can be integrated on the same section of optical fiber, the length of the optical fiber used in the device is reduced, and optical ...

Device and method for improving intensity of infrared receiving signal and inhibiting far unpitched signal

The light-guide tube is used as reflection surface of infra red or other visible light, by which signals from near area converges inward by means of multi reflection of light, and noise from far area reflects outward to increase signal reception strength of infra red reception module and inhibit the noise from far area.

Automatic labelling system and method

The automatic product fittings labeling system and method includes creating one data base for storing production information; using one product distinguishing device to read product information and transmit the product information to the processing unit of automatic labeling system; making the processing unit search the product fitting data in the data base of the memory module based on the received product information and transmit the fitting data via an interface unit to one controller; and making the controller convert the information the processing unit receives via the interface unit into one control current and turn on the relevant indication lamp in the article frame. The present invention can raise the assembling efficiency in the production line greatly, raise the uniformity and maintenance performance of production information and lower production cost greatly.

Weighing detection method and system

Real-time message transmitting method and system

A real time sending telegram method and its system contains a production plan receiving module, production program database, production execution receiving module, production excuting database, production data renew process module and a query/freak telling module. The production plan receiving module receives a received plan to be stored in a production program database. Each production line fetches production plan in database to carry out production after connecting with real time telegram sending system, receives the received execution to be stored the execution database then to be fetched via query/freak module to master production operation and store data in the program database after conformity of execution operation as the initial program value stored in the database later.

Power transmission line environmental protection intelligent checking method based on unmanned aerial vehicle

The invention provides a power transmission line environmental protection intelligent verification method based on an unmanned aerial vehicle, and the method specifically comprises the steps: obtaining a plurality of initial images of an environmental protection verification region, the initial images being obtained through the shooting of an airborne camera of the unmanned aerial vehicle, and enabling the initial images to have a plurality of scales through adjusting the focal length of the airborne camera; performing data fusion on the plurality of initial images to obtain a to-be-analyzed image; identifying and positioning the checking target body according to the to-be-analyzed image, and determining the position of the checking target body; and controlling the unmanned aerial vehicle to fly to the periphery of the checking target body according to the position of the checking target body, and obtaining environmental protection data collected by an airborne sensor of the unmanned aerial ...

Alarm device , dehumidifier and air conditioner

The utility model provides an alarm device, dehumidifier and air conditioner, wherein, alarm device includes: main part, main part are provided with the cavity cavity of apopore for the lateral wall,the floating block sets up inside the cavity cavity, can fluctuate in the cavity cavity, two at least first contacts set up in cavity top, in the cavity cavity, at least two seconds contact sets up incavity top, is connected with at least two first contacts, and is outside towards the main part, wherein, the internal water level of central cavity reachs when predetermineeing the position, and thefloating block come -up contacts with two at least first contacts, begins to report to the police. The utility model provides an alarm device lateral wall is provided with the apopore, the inside floating block that is provided with of cavity, and when water entered into the cavity cavity through the inlet opening inside, the floating block floated to predetermineeing the position, was connectedwith ...

Feeding control system and its method

Charging control system and its method applies to charging control in SMD work station, the corresponding bar code is pasted on the material plate in advance, the bar code has information of materialnumber, quantity of material supply and the numbers of bar code, and the bar code corresponds to SMD station number, it stores the bar code and SMD station number table into data bank, it sets up station number corresponding table with the material plate putting sign of charging control system in every station, it numbers the material plate putting sign corresponding to station, and it stores thestation number corresponding table into store unit. At first it scans the bar code of material plate; when the material plate is set in the station, it generates the putting sign.

Asynchronous sleeve cutting process and die cutting product production line

The invention discloses an asynchronous sleeve cutting process and a die cutting product production line. According to the asynchronous sleeve cutting technology of the embodiment of the first aspect, the asynchronous sleeve cutting technology comprises the following steps that a material carrying belt is conveyed, and the material carrying belt passes through a first machining station; a first material belt is conveyed, the first material belt passes through the first machining station, the height of the first material belt is larger than that of the material carrying belt, the conveying direction of the first material belt and the conveying direction of the material carrying belt intersect, and an acute angle is formed; the transmission speed of the material carrying belt is slower than that of the first material belt; sleeve cutting is conducted on the first material belt at the first machining station, a first cutter line is formed on the first material belt in each sleeve cutting so ...

One-step cutting tool for cutting and grinding lenses

A cutting tool for both cutting and grinding lens has a main body with at least one fixed grinding part and at least one movable grinding part at its one end. The said fixed part has the grinding power higher than that of movable part. Under the action of an elastic part, the movable part can axially move by a certain displacement.

Stock management system capable of evaluating part suppliers based on the delivery rate

The stock management system is established via network between the commodity producer's computer and at least one part supplier's computer. The stock management system can calculate the delivery fulfillment rate of the part supplier and estimate the part supplier's supply capacity of the part based on the commodity producer's required amount of the part of the part suppleir, the part supplier's promised amount of the part and the part supplier's practical delivery amount of the part.

High-temperature-stable reduction-resistant cerium oxide-nickel ferrite composite catalyst as well as preparation method and application thereof

The invention discloses a high-temperature stable reduction-resistant cerium oxide-nickel ferrite composite catalyst as well as a preparation method and application thereof, the preparation method comprises the following steps: cerium salt and nickel ferrite are mixed and dispersed in ethanol and ignited, and a product after combustion is calcined to obtain the cerium oxide-nickel ferrite composite catalyst; the cerium oxide-nickel ferrite composite catalyst is of a core-shell structure, namely nickel ferrite is wrapped by cerium oxide, and the mass ratio of the shell cerium oxide to the core nickel ferrite is (1: 100)-(1: 2.5). The cerium oxide-nickel ferrite composite catalyst prepared by the method has high carbon dioxide catalytic efficiency and thermal stability in a high-temperature reducing atmosphere, so that the carbon dioxide is efficiently converted into a high-added-value product, and the emission reduction and economic utilization of the carbon dioxide are effectively promoted ...

Network type inventory feeding and material condition information system

The present invention relates to a network inventory, feedstock and stock condition information system. It is characterized by that it adopts central server and utilizes network system to make the factory stock control personnel and related working personnel utilize network system, for example internal network system of company or internet network to browse real-time informations of various inventory management fields, including information related to trans-factory purchase, directly delivering goods by supplier and local purchase, and including stock now available of interior of factory, future stock condition, customer order and prior estimating requirement, etc. so that it can implement more effective feedstock monitoring and inventory management work.

Data updating method and system

A data up data method and system is disclosed, which is suitable for the server containing data updating module and data reading module. The said method includes creating data field database and result table relative to the data field in said batabase, storing the incoming data to said data field database, fetching the field data from said database by data update module on updating, storing them to the result table, reading the data from the result table by data reading module when a data reading request of client is sent to the server, and sending the data to said client.

Multifunctional measuring device for building construction and use method thereof

The invention discloses a building construction multifunctional measuring device and a use method thereof, and belongs to the technical field of length and angle metrology, and the building construction multifunctional measuring device comprises a mounting table, a mounting seat is fixedly mounted on the outer side of the mounting table, a sliding groove is formed in the outer side of the mounting table, a rotating rod is mounted in the sliding groove, and a rotating ring is fixedly mounted at one end, located on the inner side, of the rotating rod; the rotating ring is located on the outer side of the supporting column, the rotating rod can rotate around the supporting column, and the position of the rotating rod is adjusted in the sliding groove. And a mounting seat is fixedly mounted at the other end of the rotating rod. By arranging the supporting column, the mounting table, the sliding groove, the rotating rod, the supporting legs and other structures, the rotating rod can slide in ...

Feeding control system and its method

Device and method for automatically aligning fiber bragg gratings based on machine vision

The invention relates to the technical field of optical fiber processing, in particular to a device and method for automatically aligning fiber bragg gratings based on machine vision, and the device comprises a laser light source, a displacement table, an observation backboard, and at least one of a first visual camera and a second visual camera. A laser beam of the laser light source irradiates on the optical fiber of the displacement table to excite fluorescence and irradiates on the observation back plate through a fiber core of the optical fiber to generate a fluorescence light spot; the vision camera I obtains the position deviation between the fluorescent light spot on the observation back plate and the standard fluorescent light spot, and the displacement table adjusts the position of the optical fiber according to the deviation data obtained by the vision camera I; the second visual camera obtains fluorescence generated by excitation of the optical fiber and judges whether a laser ...

Ionic liquid modified mica nanosheet as well as preparation method and application thereof

The invention discloses a preparation method of an ionic liquid modified mica nanosheet, which adopts supercritical CO2 as a stripping agent, ethanol as a cosolvent and ionic liquid as an intercalator and a modifier, and comprises the following steps: adding mica powder, ionic liquid and ethanol into a high-pressure reaction kettle; after the temperature in the high-pressure reaction kettle reaches a preset value, pumping carbon dioxide into the high-pressure reaction kettle until the gas pressure in the high-pressure reaction kettle reaches a preset value; starting a stirring device of the reaction kettle, so that the stripping agent, the ionic liquid and the mica powder are fully mixed and react, and quickly releasing pressure after the reaction time reaches a preset value; after the gas pressure in the high-pressure reaction kettle is reduced to normal pressure, centrifuging and collecting supernate, and drying to obtain the ionic liquid modified mica nanosheet. The method for preparing ...

Rapid matching method for three-dimensional tower model and terrain

The invention provides a rapid matching fusion method for a three-dimensional electric power tower model and a ground surface three-dimensional model, and the method generally comprises the following three steps: 1, generating a ground surface three-dimensional model based on remote sensing data, and generating a three-dimensional model of a terrain surface through a certain algorithm and steps based on terrain data; 2, registering and matching the electric power three-dimensional tower model and the earth surface three-dimensional model; and step 3, carrying out optimization processing on the fused model through a rapid fusion method of the electric power three-dimensional tower model and the earth surface three-dimensional model so as to improve the sense of reality and the visualization effect of the model. The fused model can be subjected to three-dimensional visual display and analysis. The problem that time and labor are wasted when the three-dimensional model and the terrain are ...

Manifold constrained medical image synthesis method

The invention requests to protect a manifold constrained medical image synthesis method. Comprising the following steps: 1) a novel manifold-constrained semi-supervised medical image synthesis method, wherein a network model of the method is composed of a distribution generator, a distribution corrector and a distribution discriminator; 2) defining three distance metrics for realizing a manifold matching target, including the distance between centroids, the Euclidean distance between global paired points and the geodesic distance between the global paired points; as the manifold structure of the generated image becomes closer to the manifold structure of a real image, the manifold matching loss is monotonically reduced in the training process, which reflects the training effect of the network; and 3) introducing a distribution corrector for correcting manifold value differences of the image pairs. The distribution corrector and the distribution generator are jointly optimized to reduce ...

Weighing detection method and system

This invention relates to a weight checking method and its system, which is applied in product process to allow the user to weight the products by the weighing mechanism and provides the analysis mechanism to compare the weighing results error with the pre-stored weight orders to analyze the reasons of the errors from the materials alignment so to improve the checking efficiency.

Data updating method and system

One-step cutting tool for cutting and grinding lenses

Production process of protection part and protection part

The invention discloses a production technology of a protection part and the protection part, and the production technology of the protection part comprises the following steps: covering a first backing film with a product material belt; punching the product material belt, and rolling the waste material so as to form a plurality of independent sheet-shaped first semi-finished products which are distributed on the first bottom supporting film at intervals in the conveying direction of the first bottom supporting film; covering the first semi-finished product with a protective film, and combining the first semi-finished product and the protective film to form a second semi-finished product; sticking an elastic material on the upper surface of the second semi-finished product; and bending the second semi-finished product to form a protection part finished product. According to the automatic feeding device, the product strips in the strip form are compounded on the first bottom supporting film ...