64results about How to "Reduce the difficulty of debugging" patented technology

The invention discloses a co-phase error detection system and method based on broadband spectrum synchronous phase-shifting interference. The system comprises an optical path adaptation module, a broadband synchronous phase shift module, a dispersion compensation module, a tilt error detection module and a large dynamic range accurate measurement module. The method comprises the following steps: firstly, carrying out polarization modulation on a broadband light source; performing synchronous phase shift on the interferogram by using a broadband achromatic wave plate, a light splitting prism and a polarization beam splitter, and obtaining four interference fringes by using a single sensor; and then a mass center measurement device and a dispersion device are combined, and a four-step phase-shifting interference measurement method and a multi-wavelength interference spectrum are combined, so that the purposes of wide-range and high-precision measurement of the optical path difference of the two arms can be achieved, and co-phase error measurement of wavefront phases in the two arms is realized. The contradiction between the dynamic range and the precision in the prior art is solved, and the system is compact in structure, high in anti-disturbance capacity, capable of being in seamless joint with an existing optical system and high in engineering landing performance.

The invention belongs to the technical field of freight unmanned aerial vehicle delivery, and relates to an intelligent cabin door system for an unmanned aerial vehicle and a cabin door structure design method. The system comprises a driving system, a reel system, a curtain plate system, a sliding rail unit and a control unit. The control unit is electrically connected with the driving system; the driving system is arranged on the unmanned aerial vehicle body; the curtain plate system is connected with an unmanned aerial vehicle body through the sliding rail unit, the curtain plate system is connected with the reel system, the driving system is in transmission connection with the reel system through a chain wheel transmission structure, and the driving system drives the reel system to rotate so as to drive the curtain plate system to stretch or retract along the sliding rail unit. Opening and closing of the cabin door are realized. According to the invention, the number of moving parts is greatly reduced, the probability of clamping stagnation and wear failure of a mechanical transmission mechanism is fundamentally reduced, and the operation reliability of a cabin door system in harsh operation scenes such as emergency logistics and disaster rescue is remarkably improved.

The utility model relates to tissue embossing technical field, especially a kind of tissue embossing device, and fixing frame is provided for driving the lifting adjustment component of upper embossing roller to do lifting movement;Fixing frame is provided for driving the power component of lower embossing roller rotation;Upper embossing roller and lower embossing roller are all fixed with synchronous wheel;Two synchronous wheels are tensioned with synchronous belt;The both sides of synchronous belt are all provided with horizontal sliding seat slidingly connected on fixing frame;The both sides of horizontal sliding seat are respectively rotatably connected with roller and press wheel;The press wheel of both sides is respectively pressed in the both sides of synchronous belt;The both ends of steel cable are fixed on pull lifting adjustment component;Pull lifting adjustment component is set on the symmetry axis of two rollers;Steel cable is sleeved on the wheel body of two rollers.In using the utility model, on the basis of guaranteeing the consistent pressure of both sides of synchronous belt, the debugging difficulty of pressing device is reduced, and steel cable is convenient for overhaul, and cost is lower.

The utility model provides a weft self-adaptive detection device for a weft accumulator. The weft self-adaptive detection device comprises a photoelectric transmitting and receiving module, a primary filtering module, a secondary filtering module, a weft threshold signal judging and adjusting module and an electronic control module, the photoelectric emitting and receiving module detects weft yarns and sends weft yarn detection signals to the primary filtering module and the electronic control module; the first-stage filtering module comprises a first multi-stage filtering circuit, and the first multi-stage filtering circuit is provided with a bandwidth adjusting unit; the electronic control module is connected with the bandwidth adjusting unit to adjust the filtering bandwidth of the first-stage filtering module; the secondary filtering module comprises a second multi-order filtering circuit, and the second multi-order filtering circuit is provided with a gain adjusting unit; the electronic control module is connected with the gain adjusting unit to adjust the gain of the secondary filtering module; the weft yarn threshold signal judging and adjusting module comprises a hysteresis comparison circuit, and the hysteresis comparison circuit is provided with a threshold adjusting unit; the electronic control module is connected with the threshold adjusting unit to adjust hysteresis threshold voltage.

This utility model discloses an anti-leakage plating structure for a plastic metallized waveguide antenna, relating to the field of waveguide antenna technology. The anti-leakage plating structure for a plastic metallized waveguide antenna includes a waveguide groove disposed on the waveguide antenna body. Each right-angle section inside the waveguide groove has a guiding surface to direct the flow of electroplating solution. This utility model, by setting guiding surfaces in the form of arcs, slopes, or a combination of both at the right angles inside the waveguide groove, completely eliminates dead zones in the flow of electroplating solution, guiding the plating solution smoothly and comprehensively covering the bottom and corners of the waveguide groove. This effectively solves the plating leakage problem that easily occurs in traditional inner right-angle structures, ensuring that the plating layer is complete and of uniform thickness, thus guaranteeing the stability and reliability of the antenna's core conductivity. Simultaneously, it eliminates the need for multiple electroplating operations and increased plating solution flow rates, simplifying the production process, reducing sensitivity to equipment parameters and debugging difficulty, improving production efficiency, and reducing electroplating costs.

The utility model relates to label stripping technical field discloses a kind of self-adhesive label stripping positioning device, including rack, the right side fixedly connected with storage pole of rack, the outer wall top of storage pole is equipped with multiple limit holes, the outer wall slidingly connected with sliding block of storage pole, the outer wall top of sliding block is fixedly connected with baffle, the inner wall rotationally connected with rotating shaft of sliding block, the outer wall rotationally connected with baffle pole of rotating shaft, the right side fixedly connected with spring one of sliding block, the right end fixedly connected with limit block of spring one, the top fixedly connected with casing of limit block. In the utility model, through the cooperation of slidable elastic component, different width label roll can be quickly adapted, the efficiency of changing material is improved, the coaxiality is guaranteed, the assembly error is reduced, the precision and stability of different size label processing are significantly improved, and the equipment debugging difficulty and downtime are reduced.

The present application belongs to the technical field of power supply and distribution. A parallel three-level inverter modulation method, system, product, medium and equipment are proposed, which equivalent double parallel three-level inverters as a whole five-level inverter, inject zero sequence components to the initial three-phase reference signal to obtain the reference signal, identify the resultant vector through rounding and remainder operation, and then adjust the reference signal according to the sum of the three-phase state of the initial resultant vector to output a five-segment switching sequence, and then decompose the equivalent five-level reference signal into two sets of three-level reference signals, allocate the reference signals by dividing the half-carrier period and compare them with the triangular carrier to obtain a three-level vector sequence combination. The present application realizes the comprehensive optimization of common-mode voltage, zero-sequence circulating current and output current ripple, avoids complex sector judgment and duty cycle calculation, and reduces the implementation complexity and computational burden.

The application provides a kind of satellite-borne radar working state autonomous recovery method, comprising the following steps: S1, determine the radar state recovery key variable of the satellite-borne radar;S2, add key variable saving module in the embedded software, for regularly storing the latest data of the radar state recovery key variable, and regularly setting watchdog fly monitoring flag and overall pre-reset instruction flag;S3, add logic branch submodule in the embedded software, for reading the watchdog fly monitoring flag and overall pre-reset instruction flag, and further executing radar normal power-on start initialization branch or watchdog fly reset branch or pre-reset instruction reset branch.The application can make the satellite-borne radar autonomously recover the working state after encountering single event upset failure, avoid causing the interruption of satellite-borne radar target tracking monitoring, improve the reliability of satellite-borne radar product on-orbit operation, and has the simplicity, independence, flexibility and wide applicability of implementation.

The application is suitable for the field of silicon-based radio frequency and millimeter wave integrated circuit technology, and provides a satellite distributed configuration numerical control unit, a micro single sheet and an antenna unit, which comprises a decoupling capacitor module, a main control module and a distributed satellite module; the positive electrode of the decoupling capacitor module and the power supply pin of the main control module are connected with the power supply pin of the numerical control unit, and the negative electrode of the decoupling capacitor module and the ground pin of the main control module are connected with the ground pin of the numerical control unit; the distributed satellite module comprises a first satellite sub-module, a second satellite sub-module, a third satellite sub-module and a fourth satellite sub-module, and the connection mode of the first satellite sub-module with the main control module, the connection mode of the second satellite sub-module with the main control module, the connection mode of the third satellite sub-module with the main control module and the connection mode of the fourth satellite sub-module with the main control module are the same. The numerical control unit has the bandwidth universality suitable for various microwave bands and the universality suitable for various semiconductor manufacturing processes.

This utility model discloses a split-type control circuit for aviation obstruction lights, belonging to the field of control circuit technology. The control loop can select parameters according to the power of the light fixture. The control circuit includes an AC power supply, a light fixture power switch QF1 and a control power switch QF2, a cyclic time relay KA, and solid-state contactors KM1 and KM2. Through the split-type control design, the flexibility and applicability of aviation obstruction lights are significantly improved. After separating the light fixture from the control loop, the selection of light fixtures is no longer limited by the control circuit. LED lights of different power and colors can be selected according to actual needs, breaking through the limitation of traditional aviation lights with a power of no more than 50W. It can also flexibly adjust the flashing frequency by replacing components, solving the problems of fixed flashing and susceptibility to weather interference in traditional equipment. Through the multi-loop time-sharing control design, the system redundancy is effectively improved. Even if a single loop fails, other loops can still operate normally, making it suitable for scenarios with extremely high safety requirements, such as airports and high towers.

The application discloses a mine-used four-way explosion-proof and intrinsic safety type direct-current power supply with a communication function, which comprises five non-intrinsically safe AC_DC modules and DC intrinsic safety circuits connected with the non-intrinsically safe AC_DC modules, and is recorded as non-intrinsically safe AC_DC module 0-non-intrinsically safe AC_DC module 4. The non-intrinsically safe AC_DC module 0 is responsible for power supply of a power management module. Two power supplies of the non-intrinsically safe AC_DC module 1 and the non-intrinsically safe AC_DC module 2 are converged through the power management module to form a double-path power supply A. Two power supplies of the non-intrinsically safe AC_DC module 3 and the non-intrinsically safe AC_DC module 4 are converged through the power management module to form a double-path power supply B. The double-path power supply A is fused with a CAN bus and a vehicle-mounted Ethernet unit into an 8-core composite cable. The double-path power supply B is fused with another CAN bus and the vehicle-mounted Ethernet unit into an 8-core composite cable. The power supply internally adopts a four-way power supply parallel mode, can realize power supply with a larger power, has a higher power conversion efficiency, has a lower heat generation, and improves the safety of the power supply system.

The application provides a kind of underwater motor control method and system based on non-inductive position estimation, related to motor control technical field, especially suitable for permanent magnet synchronous motor rotor position estimation under special working conditions underwater.The method is based on motor electrical model to construct current observer, estimates back electromotive force through sliding film observer (SMO), and realizes accurate estimation of rotor position and speed by combining coordinate transformation and phase compensation algorithm.The application does not need to rely on mechanical detection elements such as photoelectric encoder and hall sensor, solves the technical pain points of difficulty in sealing and low reliability of underwater motor, has the advantages of high estimation accuracy and strong real-time performance, and can meet the high performance control demand of underwater motor.

The utility model discloses a self-adaptive tension transferring and pasting roller set structure suitable for a circular knife machine. The self-adaptive tension transferring and pasting roller set structure comprises a supporting frame, an upper roller set, a lower roller set, an eccentric bearing, an elastic adjusting assembly, a limiting assembly, a pressure sensing assembly, a fine adjustment mechanism, a control module, a proportional pressure valve and a return spring. The elastic adjusting assembly is composed of a spring set and a damping air cylinder and provides basic pressing and buffering adjusting functions. The pressure sensing assembly detects the tension of a membrane material through a tension detection wheel, and a signal adjusts the pressure of a damping cylinder through a proportional pressure valve via a control module to form closed-loop adjustment of the pressure between rollers; the eccentric bearing is matched with the return spring to ensure that the upper roller group swings and resets stably; the fine adjustment mechanism is used for setting a roller gap initial value. The structure can dynamically adjust the pressure between the rollers according to the tension change, improves the laminating stability, and is suitable for a high-speed film material transferring and laminating process.

This invention discloses an adaptive proximity valve block assembly and its control method based on hydraulic potential energy recovery. The valve block assembly is fixedly connected to a hydraulic cylinder. The valve block internally includes a balance and stabilization passage, a pre-charge buffer passage, a flow-limiting access passage, a main recovery passage, and a buffer chamber. The pre-charge buffer passage has a one-way throttling element and connects to the buffer chamber. The flow-limiting access passage has a fixed throttling orifice connecting the buffer chamber and an energy storage unit. The main recovery passage has a hydraulically controlled directional valve driven by the pressure difference between the buffer chamber and the energy storage unit. After recovery is enabled, the high-pressure return oil preferentially enters the buffer chamber to absorb the first wave of pressure redistribution due to the fast-forward characteristic of the one-way throttling element. Then, it slowly releases the second wave of impact by charging the energy storage unit at a low flow rate through the fixed throttling orifice. After the pressure difference shrinks to a threshold, the hydraulically controlled directional valve automatically opens the main recovery passage. This invention reconstructs the recovery entry from a one-step opening to a hydraulically automatic graded access sequence, significantly suppressing entry pulsation, avoiding main control misjudgment, and improving execution stability.

The utility model relates to a kind of five-axis linkage measuring device, including base, X-axis linear motor, Y-axis linear motor, custom Z-axis linear motor, A-axis rotary motor, C-axis rotary motor and product fixture platform;X-axis linear motor is located on base, Y-axis linear motor is located on X-axis slider, custom Z-axis is located on Y-axis slider, A-axis, C-axis are located on Z-axis output end, and product fixture platform is located on C-axis;Z-axis satisfies precision≤2.5um, stroke 150mm and has power-off protection.Measurement, reference element is not moved, product is moved with five-axis collaborative interpolation motion, realizes large area, four around arbitrary point and R angle / arc surface oblique angle measurement.The utility model solves the problem that existing equipment structure redundancy, flexibility is low, cannot measure large area and oblique angle, with the advantages of simple structure, high flexibility, high precision, low cost, easy maintenance, can be used as laboratory standard measurement equipment.

The utility model discloses a kind of continuously pressurized stable liquid supply systems, comprising: chemical distribution module is connected with external nitrogen pipeline, the output of the chemical distribution module is communicated with control box, the output of the control box is communicated with valve group box, the output of the valve group box is communicated with process machine platform;The chemical distribution module includes pressure sensor and PLC module, the pressure sensor is located at the output of chemical distribution module;The pressure sensor is electrically connected with PLC module.Beneficial effect: improve liquid supply precision, by real-time monitoring the pressure of chemical distribution module chemical distribution module outlet, and according to pressure change automatic control start-stop of liquid supply pump, effectively keep system pressure stable in set range, to realize the accurate supply of chemical, meet the high-precision requirement of chemical consumption control in production process.

The application discloses a fine metal mask TPCD detection equipment, including base, discharge platform, truss, discharge mechanism, parallel robot, detection platform, Y direction air float module and detection mechanism. The base is provided with X direction material conveying module on the left and right sides, X direction air float module is arranged on the left and right ends of the top of the base, and X direction detection module is arranged at the middle position of the top of the base; the discharge platform is arranged on the front side of the base, Z direction discharge module is arranged on the left and right ends of the top of the discharge platform; the truss is slidably connected with the X direction material conveying module; the discharge mechanism is slidably connected with the Z direction discharge module and comprises a plurality of drawer type upper and lower stacked and arranged material trays; the parallel robot is installed on the truss in parallel on the left and right sides; the detection platform is slidably connected with the X direction detection module; the Y direction air float module is slidably connected with the X direction air float module; and the detection mechanism is slidably connected with the Y direction air float module. The application provides a TPCD detection equipment with flexible material management, high-speed and high-precision conveying and multi-size FMM product compatibility.

The application discloses an eMMC contactless UART card opening method and system and electronic equipment, and the method comprises the following steps: setting an execution switching flag in the ROM starting code of a target processing platform, and presetting the storage addresses corresponding to the ROM starting code, the card opening code and the card opening configuration file; restoring the ROM starting code, the card opening code and the card opening configuration file to the corresponding addresses through a debugging interface; resetting the target processing platform, and modifying the execution switching flag through the debugging interface, so that the target processing platform jumps to execute the card opening code; starting the UART input interrupt during the execution of the card opening code, and receiving the card opening file through the UART serial port after receiving a preset starting character. The application does not need to rely on a card opening fixture and special card opening software, can reduce wiring, reduce the risk of static damage, simplify the card opening process, and support custom file transmission and parallel card opening of multiple devices.

The utility model relates to the technical field of battery discloses a kind of liquid injection mechanism and liquid injection equipment, and liquid injection mechanism has first direction, and liquid injection mechanism includes: liquid injection nozzle, with gas-liquid passage that is penetrated along first direction, gas-liquid passage is used to communicate with injection port;Liquid injection needle includes main part and needle body part, and needle body part is connected to one end of main part and extends along first direction;Liquid injection needle further includes mutually isolated air passage and liquid injection channel, air passage is penetrated main part, and liquid injection channel is simultaneously penetrated main part and needle body part, and needle body part is used to insert injection port to make liquid injection channel and injection port communicate;Wherein, liquid injection nozzle is connected to one end of main part along first direction, and needle body part is arranged in gas-liquid passage;Gap is between needle body part and gas-liquid passage wall part, and gap is used to make air passage and injection port communicate.The liquid injection mechanism and liquid injection equipment of the utility model reduce debugging difficulty, avoid vacuum pipeline crystallization, improve use stability and reduce maintenance difficulty.

This invention provides a blocking separation structure, a blocking separation device, and a turret-type testing equipment. The turret-type testing equipment includes a feeding structure and a blocking separation device. The blocking separation device is installed at the front end of the feeding structure and includes a feeding structure and a blocking separation structure. The blocking separation structure includes a fixed bracket, a movable bracket, first and second adjusting fixing components, and a pressing component connected in sequence. The fixed bracket is connected to the feeding structure. The movable bracket can rotate up and down around a rotating shaft, thereby driving the pressing component to rise or fall. When the pressing component rises, it releases the product; when it falls, it presses down on the product. The first adjusting fixing component can be adjusted in a first direction, the second adjusting fixing component can be adjusted in a second direction, and the pressing component can be adjusted in its rising and falling direction. This invention simplifies the product blocking separation structure, reduces debugging difficulty, and provides better blocking effect and longer service life.

The utility model discloses a high accuracy detection equipment with feeding mechanism, including base and detection seat, the top of base is fixed with detection seat, one side of detection seat is provided with the stand, the middle part welding of stand has a plurality of layers of partition board, the top of partition board places the raw board. This high accuracy detection equipment with feeding mechanism drives first screw rod to rotate through first motor, drives first sliding block to move along first sliding slot transversely, realizes the positioning of feeding mechanism in horizontal direction, drives second sliding block to move along second sliding slot vertically through the rotation of second screw rod driven by second motor, realizes accurate material taking and material discharging of feeding plate in vertical direction in combination with the telescopic action of electric telescopic link, can take out raw board from the partition board of stand automatically, and accurate conveying to detection seat carries out high accuracy detection, significantly improves detection efficiency and automation level, reduces manual intervention error.

The utility model belongs to the technical field of metering detection, and provides a dust particle counter which comprises a laser light source, a detection cavity, a detection unit and a light absorption assembly, wherein the laser light source and the light absorption assembly are coaxial; an axisymmetric plano-concave reflector group taking the optical axis as a symmetric axis is arranged in the detection cavity; the detection units are arranged on the two sides of the axisymmetric plano-concave reflector group. According to the utility model, by utilizing the light convergence characteristic of the axisymmetric plano-concave reflector group, the peak illuminance in the detection cavity can be effectively improved, and the intensity of light signals scattered by dust particles is enhanced, so that the light signal collection efficiency is greatly improved, and the detection unit can capture clearer and more accurate light signals; the powerful guarantee is provided for accurately measuring the quantity and the particle size of dust particles. Meanwhile, the axisymmetric plano-concave reflector group is simple in structure, compared with a complex optical system, the axisymmetric plano-concave reflector group is low in installation and debugging difficulty, and manufacturing and maintenance cost is reduced.

The application discloses a kind of non-contact laser-induced plasma shock wave pressure measurement methods, belong to shock wave pressure measurement field.It includes: using pulse laser acts on sample surface and induces to generate plasma shock wave, vibration response is formed in sample;Obtain the vibration velocity or displacement data of sample back;Respectively collect and obtain single-point single measurement data, single-point multiple continuous measurement data and multi-point scanning measurement data;Signal processing is carried out to measurement data to obtain denoised vibration data, and maximum vibration velocity is extracted;Based on maximum vibration velocity and sample material density and sound speed, calculate shock wave pressure;Shock wave pressure data corresponding three kinds of measurement data are analyzed, and the time-domain evolution law, multiple action cumulative law and spatial distribution law of shock wave pressure are obtained.The application realizes full-field measurement and spatial distribution visualization of shock wave pressure by scanning laser vibrometer, with the advantages of non-contact, multidimensional, strong engineering adaptability.

The application belongs to the technical field of intelligent manufacturing polishing machines, and discloses a steel pipe inner and outer cooperative polishing machine, which comprises a grinding machine tool, a steel pipe body is arranged on the grinding machine tool, a machine plate frame is arranged on the side away from the steel pipe body, a motor is fixedly connected to the top end plate body of the machine plate frame, an output shaft of the motor is fixedly connected with a telescopic cylinder, and a polishing wheel three is fixedly connected to the movable end of the telescopic cylinder. Through linkage cooperation of the unlocking structure and the locking structure, the adaptive upgrading of the polishing equipment limiting support structure is realized. When the telescopic cylinder extends for a short distance, two-point limiting is adopted to realize stable polishing. When the telescopic cylinder extends for a long distance to adapt to long steel pipe machining, through the clamping linkage of the annular groove and the arc angle rod plate, the T-shaped slide plate, the arc angle cross plate, the hook and other components are linked and unlocked, the original two-point limiting support is adaptively upgraded to four-point limiting support, and the multi-stage limiting structure can constrain the deflection and shaking of the telescopic cantilever end throughout the whole process.

This application relates to an LN phase inversion detection and correction circuit and an energy storage device, comprising: a first relay and a second relay; a comparison and judgment module, configured to compare a first voltage signal and a second voltage signal and output a first phase difference judgment signal when the first relay is closed; or, to compare the first voltage signal and the second voltage signal and output a second phase difference judgment signal when the second relay is closed; and a driving module, configured to drive the first relay to close and the second relay to open when the first phase difference judgment signal indicates that there is no phase difference; drive the second relay to close and the first relay to open when the first phase difference judgment signal indicates that there is a phase difference; or, drive the second relay to close and the first relay to open when the second phase difference judgment signal indicates that there is no phase difference; and drive the first relay to close and the second relay to open when the second phase difference judgment signal indicates that there is a phase difference. This circuit can realize LN phase inversion detection and correction.

This invention provides a water-air cross-medium vehicle, comprising: an underwater propulsion mechanism for providing power for underwater navigation; a steering mechanism for changing the direction of underwater navigation; a flight mechanism for providing flight power, with foldable rotors and at least one set of rotors that are directionally adjustable; and a center of gravity adjustment mechanism for adjusting the relative position of the vehicle's center of buoyancy and center of gravity. It features dedicated structures for changing the direction of underwater navigation and adjusting the relative position of the vehicle's center of buoyancy and center of gravity, allowing for on-demand control, reducing the difficulty of use and debugging, and facilitating practical applications.

The utility model discloses a kind of laser cutting device, including laser, beam expander, laser alignment assembly, reflector and cutting head, laser is used to output laser beam, along the propagation direction of laser beam, beam expander is sequentially arranged, laser alignment assembly and reflector;Cutting head is vertically below reflector, laser beam after reflection by reflector is perpendicular to incident to cutting head;Laser alignment assembly includes relatively spaced first diaphragm hole and second diaphragm hole, first diaphragm hole is close to beam expander setting, second diaphragm hole is close to reflector setting, the axis of first diaphragm hole and second diaphragm hole coincides with the optical center axis of laser beam.No need to excessively rely on the experience of operator when optical path debugging, significantly reduce the debugging difficulty.

The utility model relates to a kind of bluetooth consistency testing device, comprising: mounting platform;Positioning seat, be located in the mounting platform, for fixed product to be tested;First coupling component, at least one side of the first direction of the positioning seat, the first coupling component is configured to be able to move along first direction;And second coupling component, at least one side of the second direction of the positioning seat, the second coupling component is configured to be able to move along second direction.The utility model is simple in structure, can reduce cost, simplify test operation, improve test efficiency.