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919results about How to "Compact installation" patented technology

Portable Terahertz remote sensing detector and remote detection method

The invention discloses a portable Terahertz remote sensing detector and a remote detection method. The detector comprises a signal generating device, a detector, a processor and an imaging display device, wherein the signal generating device comprises a Terahertz wave radiation source, a broadband tunable laser and a plasma generator; and the detector comprises a receiving element, a detecting element and a signal modulation circuit. The detection method comprises the following steps of: 1, dividing scanning subregions and pixel points and encoding scanning output frequencies of various scanning subregions; 2, arranging an assembly and generating a remote detection signal; 3, performing two-dimensional scanning; and 4, performing signal analysis processing, namely rapidly imaging and generating a Terahertz wave image with frequency spectrum characteristics, identifying a material type of a tested object, generating a charge coupled device (CCD) image and identifying the shape of the tested object. The detector is reasonable in design, easy to operate, flexible in detection mode, wide in application range and good in detection effect, and can fulfill the aims of rapidly imaging and remotely detecting by combining THz and induced fluorescence spectrum analysis with space imaging.
Owner:西安明德电子科技有限公司

Full-automatic liquid adding device for fracturing construction and adding calibration method

The invention belongs to the technical field of fracturing construction mechanization, and particularly provides a full-automatic liquid adding device for fracturing construction and an adding calibration method. The full-automatic liquid adding device comprises a prying frame, an engine, a transfer case, a hydraulic device, a liquid adding pump, a metering calibration tank, a liquid additive tank, a liquid supply pump and a control unit, wherein the input ends of the engine, the transfer case and the hydraulic device are sequentially connected; the output end of the hydraulic device is connected with the liquid supply pump and the liquid adding pump; the liquid supply pump is connected with an inlet of the liquid additive tank; an outlet of the liquid additive tank is sequentially connected with inlets of the metering calibration tank, the liquid adding pump and the liquid additive tank; the control unit is electrically connected with the engine, the transfer case, the hydraulic device, the liquid adding pump, the metering calibration tank, the liquid supply pump and the liquid additive tank; and the current situation that in the fracturing construction process, the liquid additive adding precision is large in adding difficulty and discontinuous is avoided, the mechanization and automation degree of fracturing construction is improved, meanwhile, the construction quality and potential safety hazards are effectively eliminated, and the construction success rate is increased.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Dynamic real-time monitoring method for concrete bridge prestressed tendon tensioning force and special prestress construction system

The invention belongs to bridge construction, and particularly relates to dynamic real-time monitoring method for concrete bridge prestressed tendon tensioning force and a special prestress construction system. The dynamic real-time monitoring method for the concrete bridge prestressed tendon tensioning force includes the steps of initializing and real-time dynamic control loading. The prestress construction system comprises at least one tensioning device, and each tensioning device comprises a hydraulic station, a reversing valve bank, a jack, an A/D data collecting module, a PLC, a central processing unit, a human-computer interface, a direct force measuring device, a hydraulic force measuring device, a prestressed tendon elongation measuring device, a friction resistance test device and a security alarm device. The double-control requirement, difficult to met in the prior art, for taking stress control as the principle thing and an elongation value as a checking item is met, the dynamic real-time monitoring method has the advantages that construction quality and safety can be effectively ensured, and problems found in the tensioning process can be solved in time.
Owner:CHINA RAILWAYS CORPORATION +3

Installing cabinet for communication system information switch

The invention discloses a communication system information exchange installation cabinet, which comprises a base, a cabinet installed on the top of the base and an integrally formed roof on the top of the cabinet. Two heat dissipation windows are opened on both sides of the cabinet, and the two heat dissipation windows are located On both sides of the cabinet close to the top and bottom, a through hole is opened in the middle of the top plate, and a top cover is installed on the top of the top plate, and the bottom of both sides of the top cover is provided with air suction ports. The outside of the air suction port and the inside of the heat dissipation window Both are equipped with dust-proof nets, and fans are installed on the top of the top cover corresponding to the through holes on the top plate. In the present invention, a fan and a fan controller are installed in the top cover on the top of the top plate, and temperature sensors are arranged on both sides of the through hole on the top plate corresponding to the position of the fan, and the heat dissipation windows are set on both sides of the cabinet body, so that the cabinet itself has automatic The active heat dissipation effect effectively replaces the traditional natural heat dissipation and improves the heat dissipation efficiency of the cabinet.
Owner:YANGTZE UNIVERSITY

Nested type three-phase mixing nozzle of water, oil and gas and nozzle system with same

The invention provides a nested type three-phase mixing nozzle of water, oil and gas. The nested type three-phase mixing nozzle comprises a nozzle body, a nesting ring and a mixing chamber, and is characterized in that the nozzle body comprises a head portion, a middle portion and a bottom, the head portion of the nozzle body is a cone, and a spray hole is formed in the top end of the head portion of the nozzle body; the middle portion of the nozzle body is a cylinder, and at least two gas holes are evenly formed in the cylinder; the bottom of the nozzle body is of a thread structure; the nesting ring and the middle portion of the nozzle body are matched to form a clearance structure; an inner chamber with the top of a cone is arranged inside the nozzle body; the mixing chamber is arranged in the inner chamber and corresponds to the position of the middle portion of the nozzle body; a fluid channel communicated with the spray hole is further formed in the top of the inner chamber. The nozzle is arranged in a metal processing lubricating device, point lubricating is achieved, the problem that gas consumption is large in existing novel metal near-dry type processing lubricating is solved, meanwhile, a power source is saved, and the advantages of saving lubricating oil and being more environmentally friendly are achieved.
Owner:苏州金兆环保节能设备有限公司
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