High accuracy ultrasonic transducer coupling cover automatic grinding device

The utility model discloses a high accuracy ultrasonic transducer coupling cover automatic grinding device relates to coupling cover processingequipment technical field, universal wheels, the tight pulley, the regulating wheel, the abrasive band, hold -down mechanism and advancing mechanism, hold -down mechanism is including compressing tightly the support, advancing mechanism is including impeing the support, be equipped with the mould fixed plate on compressing tightly the support, be equipped with the work piece fixed plate on impeing the support, mould fixed plate and work piece fixed plate set up relatively, tight pulley and regulating wheel are located hold -down mechanism's both sides respectively, the abrasive band is for walking around the action wheel respectively, the tight pulley, neutral between mould fixed plate and the work piece fixed plate, the ring seal formula abrasive band of regulating wheel, the regulating wheel passes through position control mechanism and is connected ...

Biosafety cabinet capable of prompting life of ultraviolet lamp

The invention relates to a biosafety cabinet capable of prompting life of an ultraviolet lamp. A control panel of the biosafety cabinet is provided with a life preset device, a time processing device and an alarming device. The life preset device is used for presetting a service life of the ultraviolet lamp; and the time processing device is used for recording cumulative operation time of the ultraviolet lamp and calculating the residual service life of the ultraviolet lamp according to a formula: the service life of the ultraviolet lamp=(the preset life-the cumulative operation time)/the preset life*100%. When the residual service life of the ultraviolet lamp is less than 10%, the alarming device sends out an alarming signal to prompt a user to replace the ultraviolet lamp. The provided biosafety cabinet capable of prompting the residual service life of the ultraviolet lamp is simple in device and low in cost, and can greatly save work load of the user to check the ultraviolet lamp.

Method and apparatus for customizing website page display content

The invention discloses a method for customizing website page layout display contents, which comprises: selecting a website page layout which needs customizing and entering a customizing page layout. The method also comprises: setting titles of page layout components in the customizing page layout into keywords which are composed of keyword codes and values of the keywords, wherein the keyword codes are only used to mark the keywords, ordering the keywords on the half upper part of the customizing page layout, obtaining keyword serial numbers, then, loading the keywords serial numbers and thevalues of the keywords, loading the keyword serial numbers and the values of the keywords by the lower half part of the customizing page layout, and correcting the values of the keywords in the lowerhalf part of the customizing page layout according to demands. The invention also discloses a device for customizing the website page layout display contents and the display contents of the website page ...

Automatic marking system and method for flat head of spiral submerged arc welding pipe

The invention belongs to the technical field of spiral seam submerged arc welding pipe production, particularly relates to an automatic marking system and method for a flat head of a spiral submerged arc welding pipe, and aims at solving the problems that existing manual flat head operation equipment is high in labor intensity and low in working efficiency. The system comprises a flat-head trolley, a first sensor arranged in the advancing direction of the flat-head trolley, a second sensor arranged on the flat-head trolley, a marking sensor and flat-head equipment, the first sensor is configured to trigger the flat-end trolley to start to move forwards when detecting that the steel pipe is conveyed to the rotating device; when the second sensor is configured to detect the pipe end of the steel pipe, the flat-end trolley executes a deceleration action; the mark sensor is configured to stop the flat-end trolley at a specified flat-end position when a slate pencil mark arranged at the flat-end ...

Method and apparatus for switching website multiple data sources

The invention discloses a method for switching website multiple data sources. The method comprises the following steps: searching a mapping relation between a request parameter and a data source identification to obtain the data source identification corresponding to the request parameter in an access request; initializing a context of the access request and writing the obtained data source identification in the context; calling a data source switching module to obtain the data source identification from the context and obtaining a corresponding connection pool of a database server from a switching strategy according to the data source identification; and obtaining database connection from the connection pool of the database server, switching an access to the corresponding database and executing the access to the database. The invention further discloses a website multiple data source switching device which allocates data source resources by centralized data source connection management ...

Radar meter for measuring sea ice thickness

The inventive sea ice thickness radar measuring device is a technology for measuring sea coast ice thickness using radar, belonging to the technical filed of marine environment motoring. The measuring device mainly comprises radar, a communication interface, a monitor, a computer, a printer and a data transmission module. In accordance with the characteristic that the electric wave at gas-ice interface and ice-water interface has strong echo wave, the invention uses microwave radar with ultra wide band and narrow pulse width (10-12/s) as detection mean, acquires sea ice thickness information from the raw data of radar echo wave, and realizes acquisition, storage, display, output and print of ice thickness measurement data from radar. The invention realizes non-contact on-site fixed-point real-time measurement, and can detect sea ice with 3-6 cm thickness. In particular, the invention realizes the measurement of thin sea ice with thickness of 3-10 cm.

Method and system for realizing staticize of dynamic page

Biological safety cabinet ultraviolet lamp linkage controller and control method thereof

The invention discloses a biological safety cabinet ultraviolet lamp linkage controller and a control method thereof; the biological safety cabinet ultraviolet lamp linkage controller comprises at least two magnetically controlled switches, and a control circuit; the at least two magnetically controlled switches are arranged on a cabinet door and a slide rail, and the space between the two magnetically controlled switches is greater than the action distance; the control circuit is connected with the magnetically controlled switches and can be used for linkage control of on and off of an ultraviolet lamp by the magnetically controlled switches, the control circuit comprises a relay connected with an ultraviolet lamp switch, and a singlechip connected with the relay, the input end of the singlechip is connected with the output end of an and-gate circuit, the input end of the and-gate circuit is respectively connected to the at least two magnetically controlled switches, when the at least ...

Spilled oil monitoring technology system of marine radar

The present invention relates to a monitoring technology system of the marine radar bleeding and belongs to the technical field of the marine environment monitoring. The system consists primarily of a marine radar, a communication interface, a radar bleeding image recording instrument and a computer; the sea level bleeding monitoring is completed, the image is gathered and transmitted; and the numerical processing of the bleeding image is realized, thus obtaining the correlation parameters of the generant position, the scope, the distribution pattern, the bleeding drift direction, and the speed of the bleeding; realizing the dynamic display of the bleeding image as well as the image transmission function, then finishing the numerical processing technology of the marine radar bleeding monitoring image as a whole. The present invention has the beneficial effects that the system can provide efficiently the accurate and real time newest dynamic information of the comparatively big scope sea ...

Website page manufacture method and system

The invention discloses a fabrication method of a website page, comprising the steps of: fabricating a website page template, generating a framework page according to the website template, inserting required page component instances in the framework page, memorizing and browsing the framework page after the page component instance is inserted, thus generating final fabricated website page, wherein, the page component instance is presented by placeholder which is uniformly defined. The invention also provides a fabrication system of website page, improves the fabrication efficiency of the website, shortens the fabrication period of the website and simplifies the maintenance operation during the anaphase of the website.

Marine radar oil spill image recorder

Biological safety cabinet with timing socket, and control method thereof

The invention discloses a biological safety cabinet with a timing socket, and a control method thereof. The biological safety cabinet is provided with at least one supply socket, and the output power of the socket is controlled by the total control panel of the biological safety cabinet in a timing manner. Apparatuses in the biological safety cabinet can be automatically reserved and can run in a timing manner without artificial time counting, so the safety and the accurate running of other apparatuses in the biological safety cabinet are guaranteed.

A button structure for protection switch button

The utility model discloses a button structure for protection switch button, including upper cover and button, the button cover is established in the upper cover and through the elastic bulge joint on the trip of draw -in groove and upper cover. The utility model discloses an elastic bulge on the upper cover trip cooperatees with the button draw -in groove, and the distance value on the elastic bulge of trip and draw -in groove top is between the trigger point and range point of switch, guarantee resilience mechanism when missing the biggest resilience limit state, elastic bulge laminates with the draw -in groove top of button, the downstream of prevention button, moreover the trip structure enough strongly, even press the function that the button can not destroy shift knob yet energetically. The slot structure of trip both sides can increase the elastic strength of trip to make the relative installation that increases the button of being convenient for of trip length, bounding wall structure ...

Method and apparatus for switching website multiple data sources

The invention discloses a method for switching website multiple data sources. The method comprises the following steps: searching a mapping relation between a request parameter and a data source identification to obtain the data source identification corresponding to the request parameter in an access request; initializing a context of the access request and writing the obtained data source identification in the context; calling a data source switching module to obtain the data source identification from the context and obtaining a corresponding connection pool of a database server from a switching strategy according to the data source identification; and obtaining database connection from the connection pool of the database server, switching an access to the corresponding database and executing the access to the database. The invention further discloses a website multiple data source switching device which allocates data source resources by centralized data source connection management ...

Method and apparatus for customizing website page display content

The invention discloses a method for customizing website page layout display contents, which comprises: selecting a website page layout which needs customizing and entering a customizing page layout. The method also comprises: setting titles of page layout components in the customizing page layout into keywords which are composed of keyword codes and values of the keywords, wherein the keyword codes are only used to mark the keywords, ordering the keywords on the half upper part of the customizing page layout, obtaining keyword serial numbers, then, loading the keywords serial numbers and the values of the keywords, loading the keyword serial numbers and the values of the keywords by the lower half part of the customizing page layout, and correcting the values of the keywords in the lower half part of the customizing page layout according to demands. The invention also discloses a device for customizing the website page layout display contents and the display contents of the website page ...

Inner weld joint grinding machine for repair welding of small-caliber steel pipes

The utility model relates to an inner weld joint grinding machine for repair welding of small-caliber steel pipes, which comprises a fixing mechanism, a grinding mechanism and a grinding machine lifting mechanism, the fixing mechanism comprises an air cylinder with a guide rod, the guide rod air cylinder is arranged on an air cylinder seat, and a first universal ball wheel is arranged at the lower part of the air cylinder seat; the grinding mechanism comprises a grinding motor and an abrasive belt wheel; the abrasive belt wheel is installed on an output shaft of the grinding motor, the grinding motor is installed on the motor base, and the second universal ball wheel is installed on the lower portion of the motor base. One side of the motor base is hinged to one side of the air cylinder base, the grinding machine lifting mechanism can enable the motor base to rotate within a certain angle relative to the air cylinder base, and therefore the distance between the abrasive belt wheel and the ...