67results about How to "Use less length" patented technology

The invention provides a rare earth ion annular doped double-cladding fiber, which comprises a undoped fiber core, an inner cladding, an outer cladding and an annular doped region which is positioned between the fiber core and the inner cladding; wherein, the annular doped region is a circular ring shape doped rare earth ion region surrounding the fiber core; the refractive index of the annular doped region is lower than that of the fiber core and higher than that of the inner cladding layer. On the one hand, the annular doped region increases the rare earth ion doped region, increases the probability that pump light is coupled with the rear earth doped region, and improves the efficiency of the fiber absorbing the pump light; the using length of the fiber is reduced. On the other hand, the structure can cause the laser which is generated by the annular region to be coupled with the undoped rare earth ion fiber core, the laser transmission loss caused by Yb<3+> and co-doped Al<3+> is reduced, and at the same time, the beam quality of the structure can be controlled through the undoped fiber core numerical aperture and structure.

The invention discloses a coiled tubing speed pipe column. The coiled tubing speed pipe column is downwards conveyed to a preset position by coiled tubing equipment, the tail end of a second coiled tubing is blocked by a stopper, setting is carried out by a hanger, the setting effect can be detected by pumping liquid in annular space which is formed by an oil pipe and the coiled tubing speed pipe column, the second coiled tubing is communicated with the annular space formed by the coiled tubing speed pipe column and the oil pipe by knocking out the stopper, a hydraulic releasing tool is used for carrying out releasing operation on the hanger, and a first coiled tubing, a first coiled tubing connector and the hydraulic releasing tool can be pulled out and put into production by the coiled tubing equipment after the releasing operation is completed. According to the coiled tubing speed pipe column provided by the invention, the coiled tubing speed pipe column is arranged in a specific position of an oil pipe in a setting way, compared with a mode in the prior art that the coiled tubing speed pipe column is arranged in a wellhead in a hanging way, the coiled tubing speed pipe column has the advantages that the length of used coiled tubings is shortened, and the problem that a gas well problem which is caused by untimely supply of the coiled tubing cannot be solved in time is solved.

The invention discloses a deep ultraviolet light laser with the tunable wavelength and belongs to the technical field of photoelectrons and laser. High nonlinear optical materials are placed at the emergent end of a high reflective mirror, an output beam collimator is placed at the output end of the high nonlinear optical materials, a pump light coupler is placed at the input end close to the high reflective mirror, a dispersion compensation element is placed in front of the incidence end of the pump light coupler, a polarization controller is placed in front of the incidence end of the dispersion compensation element, a pump light power controller is placed in front of the incidence end of the polarization controller, an optical isolator is arranged at the incidence end of pump light, and a spectral filtering piece is placed at the emergent end of the whole light path. The deep ultraviolet light laser with the tunable wavelength overcomes the defect of large group velocity mismatching between the pump light and deep ultraviolet light and does not need multiple frequency components. The optical device is simple and high in conversion efficiency. Due to the fact that the pump wavelength, pump light power and the polarization state of the pump light are adjustable within a certain range, the tunable laser output of a deep ultraviolet laser wave band is achieved.

This invention relates to a chemical luminous detector used in on-line monitoring/detecting pollutants in water samples including: a fluid transportation part, a chemical luminous monitor-detect part and a control part of a working control machine, in which, the reagent and a water sample to be tested enter into the screw channel of the chip of the flow cell of the detection part via their transporting parts then to be discharged from the outlet of waste solution after being mixed, the screw channel of the flow cell chip is opposite to the photosensitive window of a multiplier phototube and the original signals are connected with the input of the work control machine via a high resistance operation amplifier, a high frequency modem, a signal processor and a 16 A/D converter.

The invention discloses a preparation method and application of a multi-core optical fiber coupler with broadband flat transmission function, and belongs to the field of optical fiber communication and sensing, and the preparation method comprises the following steps: stripping and cutting part of coating layers on the surfaces of N non-multi-cladding optical fibers, stripping the coating layers on the surfaces of the N multi-cladding optical fibers and cutting, and welding two cutting ends to obtain a third middleware; stretching the circular capillary tube to obtain a fourth middleware; inserting the third middleware into the fourth middleware, so that the second non-multi-cladding optical fiber area is completely or partially located in the first taper waist area, wherein the multi-cladding optical fiber area is located in the first taper waist area and the first rising taper area at the same time, and obtaining fifth middleware; and heating and stretching the first conical waist area of the fifth middleware, cutting the second conical waist area, selecting a part from the left end to the cutting end, and aligning and welding the cutting end and the multi-core optical fiber to obtain the multi-core optical fiber coupler with the broadband flat transmission function. According to the invention, low-loss connection in a broadband range can be realized, and the fluctuation degree of transmission loss is suppressed.

The invention discloses an infrared main lamp light reflection module device and an establishment method. The infrared main lamp light reflection module device comprises a light reflection module basemechanism, halogen lamp fixing mechanisms, a light focusing mechanism, a heat radiator and a light reflection module base fixing mechanism, wherein four halogen lamp fixing mechanisms are mounted inthe central position of the arc-shaped surface of the light reflection module base mechanism; the light focusing mechanism is mounted above the halogen lamp fixing mechanisms; the light focusing mechanism is fixedly connected with the halogen lamp fixing mechanisms; the heat radiator is mounted in the central position inside the light focusing mechanism; and the light reflection module base fixingmechanism is mounted below the light reflection module base mechanism. By adopting the mode that light reflection modules and halogen lamps arranged at intervals, the use number of the halogen lampscan be reduced, and the use length of a light reflection cover can be reduced; in addition, because of the small amount of the halogen lamps at relatively large intervals, heat radiation can be facilitated; and due to the heat radiator mounted in the light focusing mechanism, the heat radiation effect can be further improved, and thus the service life of a halogen lamp bead can be prolonged.

The invention discloses a high voltage cable laying support used for tunnel construction. The high voltage cable laying support comprises two supporting steel bars which are horizontally arranged. Equilateral angle steel is connected between the two supporting steel bars. One side of equilateral angle steel is fixedly connected with the end parts of the two supporting steel bars. A cable hook is connected on one side of equilateral angle steel via a bolt. Equilateral angle steel is connected and fixed by arrangement of two supporting steel bars, and then the cable hook is connected via equilateral angle steel and a high voltage cable is laid via the cable hook; and a reinforcing rib is also arranged at the bottom part of the cable hook so that structural strength of the cable hook is enhanced, laying of the high voltage cable with high weight is facilitated and laying stability of the high voltage cable is enhanced. Smooth degree and use safety of the cable can be enhanced by the high voltage cable laying support and use is convenient, and the high voltage cable laying support also has advantages of simple structure, low construction cost, low electric energy loss, high structural strength and great cable laying stability.

The invention relates to an underground sewage pipeline health detection device and an installation method of the detection device. The underground sewage pipeline health detection device comprises adetection optical cable laid on a pipeline in the length direction of the pipeline, the detection optical cable is composed of axial sections and annular sections at intervals, the pipeline is provided with a fixing device for fixing a detection optical cable on the pipeline, and the detection optical cable is fixed on the pipeline through the fixing device; and during detection, the axial sections are used for detecting data in the axis direction of the pipeline, and the annular sections are used for detecting the data in the annular section. The detection optical cable can be combined with each other through straight line sections and the annular sections during laying, it is guaranteed that the detection optical cable can completely cover the pipeline, the pipeline can be accurately detected, the use length of the detection optical cable during laying can be saved as well, waste is avoided, meanwhile, the laying difficulty is lowered, and the construction cost is reduced.

The invention relates to a rapid testing tool for a pulling force of a self-tightening type binding tape. The rapid testing tool comprises a base, a wire winding rod and a limiting device, wherein thebase is internally provided with a through groove which is transversely arranged and is provided with openings at two ends; an opening, which is communicated with the inner part of the through groove, is formed in the upper end of the base; the wire winding rod is adaptively inserted into the through groove; the limiting device is mounted on the base and is close to the opening; after two ends ofthe binding tape winds around the wire winding rod, the binding tape stretches out from the opening and a stretching-out part of the binding tape is clamped through the limiting device. According tothe rapid testing tool provided by the invention, the wire winding rod, the through groove and the limiting device are matched, so that the binding tape is wound on the wire winding rod; in a processof upward lifting the wire winding rod, the tool can ensure that slippage and dislocation of the binding tape do not occur in an initial upward movement process; when the binding tape moves upward under the action of an external force, the wire winding rod slides upward along the through groove of the base, and a gap between the wire winding rod and the through groove of the base is reduced, so that a self-tightening process of the binding tape is realized.

The invention discloses a fiber laser amplifier with a high stimulated Brillouin scattering threshold and high conversion efficiency. The fiber laser amplifier comprises a to-be-amplified laser port,a forward pump light port, a forward signal/pump coupler, a gain fiber, a second fiber bragg grating and an amplified laser exit port which are sequentially arranged on a laser amplification light path. When to-be-amplified laser of the fiber laser amplifier is amplified by the high-power fiber laser amplifier, the corresponding fiber bragg gratings are added to the two ends of the gain fiber, sothat pump light can be transmitted twice in the gain fiber, the use length of the gain fiber is shortened, the SBS total gain of the fiber laser amplifier is reduced, and the service life of the fiberlaser amplifier is prolonged. Therefore, the SBS threshold of the fiber laser amplifier is improved, and higher-power narrow-linewidth laser output is realized.

The invention aims at providing an energy-saving and safe type anti-creeping water heater shower room which is composed of a water heater insulating layer, a water heater container, a water heater upper cover, a stainless steel pipe, a water level floating ball, a heating pipe, a temperature control pipe, a temperature limiter, an electric appliance box, a power cutting device, a shower nozzle hook, a cold and hot water mixing valve, a jet flow hole, a micro water pump, a shower nozzle and a shower room. The energy-saving and safe type anti-creeping water heater shower room has the advantages that the electric water heater and the shower room are combined into a whole and the use length of a pipeline is reduced, so that cold water discharged from the pipeline before hot water is used is reduced and water resources are saved; due to the fact that the shower room is used, heat is diffused slowly when a user takes a bath in winter, the indoor temperature in the bathing process is ensured, the water heater container is formed in a plastic blowing mode so that the water heater container can be resistant to corrosion, the service life of the container is prolonged, the service life of the container is not shorter than 20 years, the insulating layer is foamed through polyurethane, the heat dissipating speed is lowered, energy conservation and environmental friendliness are achieved, after the shower nozzle is taken off from the shower nozzle hook, the power cutting device automatically cuts off power, and therefore the water heater is safer, capable of saving more energy and more durable.

The invention discloses a millimeter wave microstrip power distribution or synthesis device, and relates to the technical field of microwaves/millimeter waves, in particular to a microstrip power distribution/synthesis network of a multilayer microwave circuit. 50-ohm standard microstrip lines are adopted for input and output, so that the device can be easily integrated with other microwave devices; a multi-layer microwave circuit technology is adopted, so that miniaturization of a power distribution/synthesis network is realized; on one hand, the power distribution/synthesis network is more compact in structure and does not easily excite other parasitic modes (a high-order mode is easy to excite due to an overlarge substrate microstrip); and on the other hand, the use length of the microstrip line or the strip line is also reduced, so that the loss of the power distribution/synthesis network is remarkably reduced, and the possibility that the microstrip power distribution/synthesis network is applied to a microwave high-frequency band and even millimeter waves is created. The processing of the device is realized on the basis of the current mature multi-layer PCB manufacturing process, the production cost is lower, and the mass production is easy to realize.

The invention belongs to the technical field of bridge construction, in particular to a hoisting device for bridge construction. The hoisting device for bridge construction comprises a hosting frame,an electric block and a controller. The bottom end of a steel wire rope of the electric block is connected with a fixing cross beam. A hinged seat is fixedly arranged at the top end of the fixing cross beam. The upper end of the hinged seat is hinged to the bottom end of the steel wire rope through a connection block. Hydraulic cavities are symmetrically formed in the fixing cross beam. First cross beam arms are arranged in the hydraulic cavities in a sliding manner. Second cross beam arms are arranged in the first cross beam arms in a sliding manner. Third cross beam arms are arranged in thesecond cross beam arms in a sliding manner. Liquid guide hole are formed between the hydraulic cavities and the first cross beam arms and the second cross beam arms. Liquid control valves are arrangedin the liquid guide holes. The upper end of the fixing cross beam is fixedly provided with a hydraulic oil tank. The hydraulic oil tank communicates with the oil guide pipe through a hydraulic oil pump. The end of the third cross beam arm is provided with multiple hooks. The hoisting device for bridge construction can conveniently hoist objects with instable gravity center, and improves the hoisting stability and safety of the objects at the same time.

The invention provides a system and a method for handling interactions of a contact center. A processor of the system monitors a real-time interaction between a contact center agent and a user. The monitoring may include analyzing a first input by the user, and a first response by the contact center agent to the first input. The processor identifies an intent of the user based on monitoring the real-time interaction, and in response to identifying the intent, monitors for a first trigger condition. In response to identifying the first trigger condition, the processor invokes an automated agent for outputting a second response to a second input provided by the user. The first trigger condition may be a command to invoke the automated agent, or deviance by the agent from dialog in a dialog script associated with the identified intent.

The invention discloses an integrated railway signal machine. The integrated railway signal machine comprises a first foundation and a second foundation, wherein the second foundation is detachably arranged on the first foundation, a cover body is arranged in the area of the second foundation, signal equipment comprises a signal mechanism, a starting indicator and a lighting transformer, the starting indicator is arranged on the second foundation corresponding to the first foundation through an indicator mounting hole and communicates with an inner cavity of the second foundation, the lighting transformer is arranged in the second foundation, and a signal mechanism is arranged at the top of the second foundation. Through cooperation between the foundations and the signal equipment, the signal foundations are arranged in the foundations to form an integrated structure, and compared with an existing split type base and a box body, a distribution box and connecting parts between the distribution box and the box body are omitted, meanwhile, the using length of a wire is reduced, and the occupied area of the signal machine is reduced.

The invention discloses a cell sheet assembly, a cell sheet matrix and a solar cell assembly. The solar sheet assembly comprises cell sheets and conductive belts. The cell sheets and the conductive belts are successively arranged longitudinally. Each cell sheet comprises a silicon sheet, a front conductive piece arranged on a light receiving face of the silicon sheet, two electrodes arranged on abacklight face of the silicon sheet and a side conductive piece which is arranged on the side surface of the silicon sheet and electrically connected between the front conductive piece and one electrode. The two electrodes of each cell sheet longitudinally extend and are separated at an interval transversally. The extension direction of the conductive belts is the same as that of the electrodes, the conductive belts conduct two electrodes which are close to each other and arranged on adjacent two cell sheets so as to allow the adjacent cell sheets to be serially or parallelly connected. According to the invention, use length of the conductive belts can be effectively reduced; use quantity of the conductive belts can be reduced; heat effects caused by the conductive belts are reduced; and the whole power of the cell sheet assembly is improved.