30results about How to "Troubleshoot adjustment difficulties" patented technology

The invention provides a femtosecond laser scanning power regulation device and method and a femtosecond laser processing system. The device comprises a laser modulator which is used to modulate laser from a laser source, a pulse width modulation signal generator which is used to provide a pulse width modulation signal with duty cycle for the laser modulator, and a controller which is used to communicate with the pulse width modulation signal generator to provide the duty cycle for the pulse width modulation signal generator. The duty cycle is the ratio of the current laser scanning linear velocity to the maximum laser scanning linear velocity. The femtosecond laser scanning power regulation method comprises the steps that the laser modulator is provided; the laser modulator modulates the laser from the laser source; and the pulse width modulation signal with the duty cycle is provided for the laser modulator, wherein the duty cycle is the ratio of the current laser scanning linear velocity to the maximum laser scanning linear velocity.

The invention discloses a preheat steam multi-pipe bypass temperature regulating system for a small-capacity boiler. The preheat steam multi-pipe bypass temperature regulating system comprises a low-temperature reheater, a high-temperature reheater, a spray desuperheater, a low-temperature reheater steam bypass pipe, an electric gate valve, a mixed collecting box, a desuperheating water regulating valve, an accident spray desuperheater, a lower-temperature reheater inlet collecting box, a low-temperature reheater outlet collecting box, a high-temperature reheater inlet collecting box and a high-temperature reheater outlet collecting box. By using the preheat steam multi-pipe bypass temperature regulating system for the small-capacity boiler, the problem that it is difficult to regulate the reheat steam of the small-capacity boiler is effectively solved; and the preheat steam multi-pipe bypass temperature regulating system has the advantages of simple system, small bypass pipe resistance, operation simplicity, reliable temperature regulating property and the like.

To solve the defect of the conventional sensor working area test, the invention provides a sensor working area automatic test system. The system comprises a test body movement device, a sensor movement device and a control device. The test body movement device is used for installing and controlling a test body, and the device controls the test body to move in a region to be tested in a given moving posture under a command of the control device; the sensor movement device is used for installing and controlling a sensor to be tested, and the device controls the sensor to be tested to detect the test body in the region to be tested in given detection conditions under a command of the control device, and sends the feedback data to the control device; and the control device controls the moving posture of the test body and the detection conditions of the sensor to be tested according to the commands sent by a user, and processes the received feedback data sent by the sensor to be tested into data in a user-predefined expression form.

The invention provides an annular space type centrifugal extractor. The problem that adjustment is difficult on the condition that an annular space type centrifugal extraction interface radius is not adjusted by adopting air weir pressure is solved. The annular space type centrifugal extractor comprises a rotating shaft, a rotating drum and a cylinder type shell. The rotating drum is sleeved with the shell, and an annular space is formed between the rotating drum and the shell. The shell is provided with heavy and light phase inlets. The bottom of the shell is closed, and a cover plate is arranged at the upper end of the shell. The rotating drum and the rotating shaft are in check fit. A motor is connected to the upper end of the rotating shaft in a transmission mode. The motor is fixedly connected with the cover plate. The bottom of the rotating drum is provided with a base plate. The base plate is provided with an inlet communicated with the interior of the rotating drum. A split weir body is arranged at the upper end of the rotating drum. A discharging outlet is formed in the position, corresponding to the split weir body, of the rotating shaft. An annular heavy phase weir plate is detachably fixed and connected to the upper end face of the discharging outlet in a sealed mode. The heavy phase weir plate is formed by splicing a plurality of arc sections. All components of the heavy phase weir plate are allowed to be taken out from an adjusting opening, the adjusting opening is covered with a sealing cover in a sealed mode, and the interface radius can be adjusted on the condition that adjustment is performed by adopting no air weir pressure.

The invention discloses a Michelson interferometer convenient to adjust. The Michelson interferometer comprises a beam splitting plate, a compensating plate, a first plane reflector, a second plane reflector and an observing screen, and further comprises an inversed-L-shaped support and a support base. The inversed-L-shaped support comprises a first support wall and a second support wall which are perpendicular to each other. The first plane reflector and the second plane reflector are attached to the surface of the first support wall and the surface of the second support wall respectively. The Michelson interferometer can replace a traditional Michelson interferometer to be used for observing and measuring the interference phenomenon, great convenience is brought to adjustment on the Michelson interferometer, and the experiment efficiency is effectively improved.

The invention relates to a test tool support, and belongs to the field of test tool manufacture. The test tool support comprises a wear-preventive spacing groove, a test tool support body, a sliding groove, a zigzag slideway, a limiting plate A, fixing shafts A to G, a limiting plate B, a sliding shaft, a tensile rule slideway, a tensile rule, a lock, a lockhole, a fixing underframe, a tensile rule positioning bolt, connecting racks A to H, a tensile rack A, a fixing handle A, a tensile rack B, a fixing handle B, limiting grooves A to F, and a sliding shaft positioning bolt; and the sliding groove is arranged in the test tool support body, the zigzag slideway is in the sliding groove, the sliding shaft is arranged on the sliding groove, and the sliding shaft positioning bolt penetrates the sliding shaft.

The invention discloses a manufacturing method of a perovskite thin film, a solar cell and a laminated cell, relates to the technical field of photovoltaics, and aims to solve the problem that in the prior art, when a perovskite layer is prepared by a solution method, a perovskite solution is deposited at the valley bottom of a suede structure, so that the cell is short-circuited. And organic components are difficult to react with compact inorganic components in a vacuum evaporation method. The manufacturing method of the perovskite thin film comprises the following steps: providing a substrate, wherein the surface of the substrate is provided with a suede structure; forming a metal halide skeleton layer on the substrate with the suede structure, wherein the metal halide skeleton layer conformally covers the suede structure; and forming a perovskite light absorption layer on the metal halide skeleton layer with the suede structure in a shape following manner. The manufacturing method of the perovskite thin film provided by the invention is used for manufacturing the solar cell.

The invention relates to a pipe person protection adjusting type supporting and fixing device which comprises a bandage surrounding the periphery of a pipe and two wrapping type steel belts symmetrically arranged on the inner wall of the bandage. The two wrapping type steel belts are in shapes of omega, straight edges of the omega-shaped wrapping type steel belts are in butt joint; the interior ofthe bandage is wrapped with a steel wire net; and supporting steel sheets are symmetrically arranged between the wrapping type steel belts and the pipe. The pipe person protection adjusting type supporting and fixing device is simple in structure and convenient to operate, adjustment can be carried out according to different pipe diameters, and the problem that adjustment is difficult is solved;and in addition, pipe person protection supporting fixing can be achieved, the problem that stability is insufficient is solved, and the installing convenience is greatly improved.

The invention discloses a fixed operation device of a display control terminal under a mobile environment and an operation method of the fixed operation device. The device includes two sliding rails which are arranged vertically and provided with locating holes, a lifting fixation plate capable of sliding up and down along the sliding rails is installed between the two sliding rails, and elastic handles are arranged at the left and right ends of the lifting fixation plate respectively; lateral rotating bases are arranged at the left and right ends of the lifting fixation plate respectively, anelastic handle is arranged on one lateral rotating base, and a terminal support capable of swinging around the lateral rotating bases is hinged between the two lateral rotating bases. The fixed operation device of the display control terminal under the mobile environment is small in occupied space, light in weight and capable of being installed on the rear portion of a backrest of a front seat orother positions to meet different use demands of different operators.

The invention discloses a sports comfortable functional bra and a personalized manufacturing method thereof. A bra cup is connected with a telescopic belt, the bra cup is endowed with certain tightness by an elastic band, the bra cup can generate a certain tightness change along with a sports state during sports, and the change relieves and alleviates a force applied to nipples so that the comfort of the breasts during exercise is improved. In addition, the telescopic belt is arranged at intervals and provided with the ventilation and heat dissipation openings, the purposes of ventilation and heat dissipation can be achieved through the ventilation and heat dissipation openings, and the problem of accumulation of sweat in the chest is avoided. The method further comprises the following manufacturing steps: (1) carrying out three-dimensional measurement; (2) determining a paper pattern; (3) cutting the fabric; (4) sewing the cup; (5) stitching the cup; (6) sewing the straps; and (7) sewing the parts.

The invention discloses a flexible binding tool with adjustable pressure. The flexible binding tool comprises a circular sleeve, a main shaft and a pressing wheel assembly, wherein the upper end of the main shaft is inserted into the lower end of the circular sleeve, and the pressing wheel assembly is connected with the lower end of the main shaft. The flexible binding tool is characterized by further comprising an elastic supporting assembly, wherein the elastic supporting assembly comprises a connecting flange, a driving rod, a driven rod and an adjusting screw; the connecting flange is fixedly connected with the upper end of the circular sleeve, the upper end of the driving rod is rotatably connected with the lower surface of the connecting flange, a spring pressing head is arranged below the driven rod, and the lower end of the driven rod is rotatably connected with the top of the spring pressing head; the lower end of the driving rod is rotatably connected with the upper end of the driven rod, the adjusting screw transversely penetrates through the side wall of the circular sleeve, and the end of the adjusting screw abuts against a connecting point of the lower end of the driving rod and the upper end of the driven rod; and a variable spring is arranged between the spring pressing head and the upper end of the main shaft, and two ends of the variable spring abut against the upper end of the main shaft and the lower end of the spring pressing head respectively.

The invention relates to a method for adjusting off-axis parabolic mirror system by common focus of a lens. The method comprises the following steps of S1, adjusting a pitching angle of an off-axis parabolic mirror by two beams of parallel laser with equal height so that emergent light of the off-axis parabolic mirror is equal in height; S2, employing a plane mirror to substitute the off-axis parabolic mirror, allowing the two beams of parallel laser with equal height to pass through the plane mirror, simulating an optical beam propagation line of the off-axis parabolic mirror needed to be adjusted, and forming an optical loop; and S3, adding the lens into the optical loop, moving the off-axis parabolic mirror by a lens common-focus alignment method, and replacing the plane mirror with theoff-axis parabolic mirror. Compared with the prior art, the method has the advantages that the problem that the off-axis parabolic mirror is difficult to adjust during the actual light path adjustment is solved, a conventional off-axis parabolic mirror adjustment method is effectively substituted, the method has relatively high accuracy and practicability, and the adjustment time and the adjustment difficulty can be greatly reduced.

The invention provides a plasticizing device and an injection molding machine. The plasticizing device is used for melting a plastic material and comprises a charging barrel with an inner cavity extending in a preset direction; a screw which is mounted in the charging barrel and extends in the preset direction; a rotating shaft which is arranged at one end of the screw and is in transmission connection with the screw so as to drive the screw to rotate through the rotating shaft; an adjusting seat mounted on the rotating shaft, wherein a through hole is formed in the adjusting seat, the screw is arranged in the through hole in a penetrating manner and is in clearance fit with the inner wall of the through hole, a plurality of first threaded holes are formed in the adjusting seat, the multiple first threaded holes are formed in the circumferential direction of the through hole at intervals, and all the first threaded holes extend to the inner wall of the through hole; and a plurality of adjusting pieces provided with external threads, wherein the multiple adjusting pieces are matched with the multiple first threaded holes in a one-to-one correspondence mode through the threads, and the end portions, located in the through hole, of the multiple adjusting pieces abut against the screw. The plasticizing device solves the problem that a screw of a plasticizing device in the prior art is not convenient to adjust.