60results about How to "Easy to adjust online" patented technology

The invention relates to a piezoelectrically-driven jet type glue dispensing device. The piezoelectrically-driven jet type glue dispensing device comprises a piezoelectric driving mechanism, a jet mechanism, a glue solution delivery mechanism and a supporting connecting frame, wherein a piezoelectric actuator of the piezoelectric driving mechanism is fixed between left and right end faces inside a rhombic amplification module; and the upper end of the rhombic amplification module is fixedly connected with the supporting connecting frame, and the lower end of the rhombic amplification module is fixedly connected with the upper end face of a pin. The piezoelectric actuator drives the pin to vibrate at high frequency to drive a glue solution to be sprayed out of a nozzle, and the distribution speed and volume of the glue solution can be regulated in real time by changing the frequency and amplitude of an electric signal exciting the piezoelectric actuator. The piezoelectrically-driven jet type glue dispensing device is an ideal jet type glue dispensing device which is reasonable in composition and structure, reliable in connection, high in distribution speed and high in accuracy. The distribution volume of the glue solution can be flexibly adjusted on line. The piezoelectrically-driven jet type glue dispensing device is applied to the occasions where glue is required to be precisely, quickly and flexibly dispensed for microelectronic packaging, chip manufacturing and the like.

The invention provides an elastic coupling dynamic and static torsion rigidity simple testing device and method. One end of an elastic coupling is fixed, and a loading arm and a torque preloading device are arranged on the other end. The torque preloading device is used to preload torque of a certain degree, a turning angle indicating gauge measures a static angular displacement of the coupling, a preload force is converted into preload static torque, and the static torsion rigidity of the coupling is obtained; and the loading arm is excited by a vibration exciter, an impedance head is utilized to measure the dynamic force and dynamic acceleration of an excited point of the loading arm, the force and acceleration are converted into the torque and dynamic angular displacement, and finally the dynamic torsion rigidity of the coupling is obtained. According to the invention, a special test table is not needed, the installation and adjustment are convenient, both the static torsion rigidity and the dynamic torsion rigidity can be measured, the vibration exciter is used for dynamic loading, the exciting frequency and amplitude can be conveniently adjusted on line, and the torsion rigidity under different working frequencies can be conveniently tested; in addition, dual-bearing constraint is adopted, bending-torsional coupling generated when the coupling is excited is avoided, and the measuring result is more precise.

The invention belongs to the field of measuring instruments, and discloses a circular grating sensor angle measurement error correcting method based on error source analysis. The circular grating sensor angle measurement error correcting method comprises the steps of: establishing an angle measurement error model of a circular grating sensor; taking an image picture of surface grooves of a gratingdisc of the circular grating sensor by means of a CCD camera and a microscope of an eccentricity detecting device; adopting an image processing method on right side end point coordinates of each grooves of each image to obtain an installation grating disc eccentric magnitude e and an installation eccentric angle theta 0; detecting a radial error delta Y(theta) of a rotating shaft at the end surface of the grating disc; substituting the measured e, theta 0 and the delta Y(theta) into the angle measurement error model to obtain an angle measurement error Delta theta of the circular grating sensor, wherein a correction function is -Delta theta. The circular grating sensor angle measurement error correcting method can perform online adjustment on the rotating shaft and the grating disc conveniently, improve the angle measurement precision of the circular grating sensor and reduce errors.

An ultrahigh-speed cooling system for the hot-rolling line of wire and rod materials is composed of at least one cooler consisting of main body, inlet horn pipe, outlet guide pipe and the sleeve pipe of guide pipe, at least one main valve, at least one water trunk, high-pressure water pump, the bench with at least one pair of castors, casing of cooler, and reverse water barrier for preventing the splashing of high-pressure water.

The invention provides a mixer crystal four-dimensional high-precision adjustment mechanism, and relates to a high-throughput large-caliber high-precision optical element frequency conversion device. The mixer crystal four-dimensional high-precision adjustment mechanism is used for achieving four-dimensional high-precision adjustment of a mixer crystal in narrow space in a frequency conversion module in an inertial confinement laser nuclear fusion device in China. According to the mixer crystal four-dimensional high-precision adjustment mechanism, a mixing mechanism is arranged in a frequency multiplication box body, the lower end of a deflection angle modulation frame is arranged in a pitching adjustment frame in a rotating mode, the side walls of a mixing spacing adjustment rack are arranged on the lower portions of the side walls of the pitching adjustment frame in a rotating mode, a polarization state adjustment frame is inlaid on the end surface of the deflection angle modulation frame, a mixing gap adjustment base is arranged below the mixing spacing adjustment rack, a mixing horizontal moving adjustment mechanism is arranged between the mixing gap adjustment base and the mixing spacing adjustment rack, and a polarization state adjustment mechanism is arranged on the polarization state adjustment frame. The mixer crystal four-dimensional high-precision adjustment mechanism is used for posture adjustment of the mixer crystal.

The invention relates to a piezoelectrically-driven jet type glue dispensing device. The piezoelectrically-driven jet type glue dispensing device comprises a piezoelectric driving mechanism, a jet mechanism, a glue solution delivery mechanism and a supporting connecting frame, wherein a piezoelectric actuator of the piezoelectric driving mechanism is fixed between left and right end faces inside a rhombic amplification module; and the upper end of the rhombic amplification module is fixedly connected with the supporting connecting frame, and the lower end of the rhombic amplification module is fixedly connected with the upper end face of a pin. The piezoelectric actuator drives the pin to vibrate at high frequency to drive a glue solution to be sprayed out of a nozzle, and the distribution speed and volume of the glue solution can be regulated in real time by changing the frequency and amplitude of an electric signal exciting the piezoelectric actuator. The piezoelectrically-driven jet type glue dispensing device is an ideal jet type glue dispensing device which is reasonable in composition and structure, reliable in connection, high in distribution speed and high in accuracy. The distribution volume of the glue solution can be flexibly adjusted on line. The piezoelectrically-driven jet type glue dispensing device is applied to the occasions where glue is required to be precisely, quickly and flexibly dispensed for microelectronic packaging, chip manufacturing and the like.

The invention discloses a disk type translation permanent magnetic stator type permanent magnetic vortex speed regulating device. The device comprises an input shaft and an output shaft in a concentric arrangement. The input shaft is orderly and concentrically provided with a permanent magnet stator and a magnetic rotor along an axial direction. The permanent magnet stator can translate along the axial direction of the input shaft. The output shaft is concentrically provided with a conductor rotor. The permanent magnet stator comprises an outer ring iron core, a radially magnetized permanent magnet ring and an inner ring iron core nested in order. The magnetic rotor comprises inner and outer ring permanent magnet poles which are in a staggered arrangement along a circumferential direction. Both the inner and outer ring permanent magnet poles are in an interval arrangement with corresponding iron poles, and the polarities of the inner and outer ring permanent magnet poles are the opposite. Compared with the prior art, the device of the invention has the advantages that through axially translating the permanent magnet stator, a speed adjustment function is realized, thus a speed regulating mechanism is simplified, the maintenance cost is reduced, the service life is prolonged, the structure is simple, the operation is convenient, the device is suitable for the occasions of different requirements, and the device has the functions of a permanent magnet coupling coupler, a soft starter and a permanent magnet speed regulator.

The invention, which belongs to the field LF furnace electrode regulator field, relates to a multi-model LF furnace electrode adjusting method based on steel type clearance slag thickness. With the method, problems that the sensitivity of the controller is low and the network is not suitable for a real-time control system can be solved. Input data of an electrode regulator are collected, wherein the data include a three-phase secondary side current and three-phase secondary side voltage that are obtained by direct measurement, an initial current setting value of the electrode regulator, and data of the steel type, clearance, and slag thickness for setting a PID controller; according to the data, parameters of the PID controller are set in an on-line mode; static parameters of the set PID controller as well as the data of the steel type, clearance, and slag thickness are recorded, and an LF electrode PID setting model set is established; and after establishment of the PID setting model set, data of the steel type, clearance, and slag thickness are inputted, determination is carried out, and a proper model is invoked automatically. Therefore, optimization of an original control system is realized, thereby substantially improving the on-line adjusting process of the system and realizing better control of the electrode.

The invention discloses a friction type torque limiting clutch which comprises a driven shaft interface, a shell, a driving shaft interface and a friction sheet combination, wherein the friction sheet combination is composed of an outer friction sheet and an inner friction sheet; the driven shaft interface is connected at the front end of the shell; the driven shaft interface is arranged inside the shell; the rear end of the shell is connected with a spring base which is sleeved on the driving shaft interface; spring holes are uniformly distributed on the spring base along the circumference; a spiral spring and a cushion block are arranged in each spring hole; one end of the spiral spring props against the cushion block; the other end of the spiral spring stretches outside the spring hole to prop against a pressing ring; a screw hole corresponding to each spring hole is arranged on the rear side plane of the spring base; an adjusting screw is arranged in the screw hole; the adjusting screw props against the cushion block; a locking nut is arranged on the adjusting screw; the front end of the driving shaft interface is connected with an end shaft; the front end of the end shaft is inserted into the hole of the driven shaft interface; and the end shaft is in clearance fit with the hole of the driven shaft interface. The adjusting screw can be adjusted by only using an ordinary small torque winch, so that the on-line adjustment is carried out on a production line conveniently.

The invention discloses a coating device. A notch and a placing groove are formed in a coating platform; in the adjacent widening plates, a second long-strip open groove in the widening plate locatedinside is in sliding fit with a second long-strip convex block of the widening plate located outside, and a pushing convex block of the widening plate located outside extends into the long-strip guidegroove in the widening plate located inside to be in contact with the front inner wall of the long-strip guide groove; the widening plate located outside can move forwards to drive all the widening plates on the inner side of the widening plate to move forwards synchronously; and a cover plate can cover the placing groove, and the top surface of the cover plate is flush with the top surface of the coating platform. The invention further discloses a composite melt-blown fabric production device and a composite melt-blown fabric production method. The composite melt-blown fabric production device and the composite melt-blown fabric production method have the advantages that the coating breadth can be changed in real time to meet coating of cloth with different breadths, residues of coatingmaterials on the coating platform are reduced, the cloth function is improved, and the production efficiency is improved.

The invention discloses a rapidly started and stopped garbage conveying device. The rapidly started and stopped garbage conveying device comprises a power cylinder, a material pushing device, a transferring box, a crusher, an electric material discharge door and a conveyor belt, wherein the material pushing device is connected with the piston of the power cylinder; an oil injection combustion mode is adopted by the power cylinder to drive the piston to move, so that the material pushing device is driven to move; garbage falls from the lower opening of a garbage hopper, is pushed to a transferring port by the material pushing device, and then falls into the transferring box; the crusher comprises a rotary shaft and an edge cutter arranged on the rotary shaft; the rotary shaft is driven by a motor and is horizontally arranged; the garbage falling from the transferring port is crushed by the rotating edge cutter during falling, then falls into a transferring space on the lower part of the transferring box; the electric material discharge door is arranged on the bottom of the transferring box; a weight sensor is arranged on the electric material discharge door; and when the garbage in the transferring space reaches a certain value, the electric material discharge door is opened automatically, so that the garbage falls onto the conveyer belt to be carried away.

The utility model belongs to the field of seawater desalination, and relates to an 'outside-cylinder series-connection type' non-condensable gas removing device in a low-temperature multi-effect distillation seawater desalination system. The low-temperature multi-effect distillation seawater desalination system comprises evaporators, a steam injector, a steam condenser, the 'outside-cylinder series-connection type' non-condensable gas removing device, a concentrated saltwater heat exchanger, a fresh water heat exchanger, a seawater material feeding pump, a concentrated saltwater pump and a fresh water pump, wherein, the 'outside-cylinder series-connection type' non-condensable gas removing device comprises non-condensable gas communicating pipes, valves arranged on the communicating pipes, a vacuum pumping device, a connecting pipeline for connecting a non-condensable gas extracting opening of the steam condenser and the vacuum pumping device, and a valve arranged on the connecting pipeline; and each non-condensable gas communicating pipe is arranged outside a cylinder body of the corresponding evaporator and respectively connected with a heating steam side and a seawater evaporating side of the corresponding effect evaporator. The low-temperature multi-effect distillation seawater desalination system disclosed by the invention can adjust the non-condensable gas communicating pipes in an on-line manner and control the pressure difference among the effect evaporators, thereby adapting to working condition changes and guaranteeing the matching of the pressure of the effect evaporators.

Provided is a torque-adjustable friction type safe clutch. A shaft II port is connected at one end of a casing, a shaft I port is positioned in the casing, the other end of the casing is connected with an end cover, the end cover is covered on the shaft I port, a convex ring is positioned in the middle of the shaft I port to divide the casing into a main cavity and an auxiliary cavity, a main friction pair assembly and an auxiliary friction pair assembly are respectively arranged in the main cavity and the auxiliary cavity, main adjusting holes are evenly distributed along the periphery of the end cover, a main torque adjusting device for adjusting the main friction pair assembly is arranged in each main adjusting hole, auxiliary adjusting holes are evenly distributed at the edge of the shaft II port along the periphery of the shaft II port, and an auxiliary torque adjusting device for adjusting the auxiliary friction pair assembly is arranged in each auxiliary adjusting hole. The torque-adjustable friction type safe clutch can widen the torque adjusting range and achieve online adjustment.

The invention discloses a multi-degree-of-freedom adjusting device which comprises: an overturning assembly, wherein the overturning assembly comprises a first overturning driving source, a first overturning piece, a second overturning driving source and a second overturning piece, and the first overturning driving source is connected with the first overturning piece to drive the first overturningpiece to overturn, the second overturning driving source is arranged on the first overturning piece, and the second overturning driving source is connected with the second overturning piece to drivethe second overturning piece to overturn; a conveying assembly which is in butt joint with the transmission line so as to input or output products; and a lifting assembly, wherein the lifting assemblyis located on the lower side of the conveying assembly and drives the conveying assembly to do lifting action, the conveying assembly descends so that the products can fall on the second overturningpiece, and the conveying assembly ascends so that the products on the second overturning piece can be jacked. Machining, assembling, detecting and conveying of curved surface products are facilitated,the working precision is improved, the size is small, and the structure is compact.

The invention discloses a full-automatic ramie bidirectional stripping machine comprising a ramie conveyor, a front stripping machine and a rear stripping machine. The ramie conveyor includes a conveyor frame, a feeding conveyor, a ramie uniformizing device and a ramie feeding device, and the feeding conveyor, the ramie uniformizing device and the ramie feeding device are installed on the conveyorframe; the ramie stripping machine includes a hemp stripping machine frame, a ramie clamping and conveying device and a ramie stripping mechanism, and the ramie clamping and conveying device and theramie stripping mechanism are installed on the hemp stripping machine frame; the output end of the feeding conveyor is connected with the input end of the ramie uniformizing device, the output end ofthe ramie uniformizing device is connected with the input end of the ramie clamping and conveying device, and the output end of the ramie feeding device is connected with the input end of the ramie clamping and conveying device. According to a ramie stalk conveyor of the present invention, continuity of the ramie stalks, automatic completion of ramie uniformization, cutting, rolling and strippingcan be realized; and meanwhile, the ramie bidirectional stripping machine can realize bidirectional stripping of the ramie stalks through two ramie stripping devices staggered fore and aft, and the clamped and conveyed part of the ramie stalks can be stripped, thereby improving the utilization rate of the ramie stalks and improving the stripping efficiency from the ramie stalks to ramie fibers.

The invention discloses a two-way ramie stripping machine. The two-way ramie stripping machine comprises a rack and a front ramie stripping device and a rear ramie stripping device which are mounted on the rack; the front ramie stripping device comprises a front ramie clamping and conveying device and a front ramie stripping mechanism; the front ramie clamping and conveying device comprises frontclamping and conveying chains arranged oppositely up and down to clamp and convey ramie; the rear ramie clamping and conveying device comprises a rear ramie clamping and conveying device and a rear ramie stripping mechanism; the rear ramie clamping and conveying device comprises rear clamping and conveying chains arranged oppositely up and down to clamp and convey ramie; the rear ramie stripping mechanism is arranged on one side of the rear clamping and conveying chains; the rear clamping and conveying chain and the front ramie stripping mechanism are arranged on the same side of the front clamping and conveying chains; and the output ends of the front clamping and conveying chains and the input ends of the rear clamping and conveying chains are arranged in a staggered mode. According to the two-way ramie stripping machine provided by the invention, the two-way hemp stripping of the ramie stalks can be realized through the two hemp stripping devices which are arranged in a front-back staggered mode, namely the ramie stalk clamping and conveying part can be subjected to ramie stripping treatment.

In order to prevent double ghost, a contact image sensor having a structure which is convenient to adjust the position of the light-receiving element array substrate is provided. The contact image sensor is composed of a light source 20 having a light-receiving element array, a slit 22, a lens 24, a light-receiving element array substrate 26 provided with a light-receiving element array 25, and a housing 28 holding the above parts. Four leads 30 for power supply are provided at one end of the light source 20. Four U-shape grooves 32 for allowing leads 30 to pass through are formed at one end of the light-receiving element array substrate 26. The size of the grooves 32 is left with sufficient space with respect to the thickness of the lead 30.

The invention discloses an online adjustable target flow switch, which comprises a pipe barrel (1), a pipe barrel flange (10), a target sheet (2), a rotating supporting plate (20), a rotating supporting plate seat (22), a target rod (3), a sliding column (30), an internal magnetic steel block (31), a compressed spring (4), a compressed spring adjustment device (5), a shell (6), a microswitch (7), an external magnetic steel block (71), a transmission rod mechanism (8) and a wiring terminal (9), wherein the shell (6) is fixedly arranged on the pipe barrel (1) through a support and the pipe barrel (1) is made to be placed in a groove (60) opened in the end surface of the shell (6). The sealing performance is reliable; and when a flow alarming value needs to be set again, a pipeline valve does not need to be closed, and an alarming point can be directly adjusted in the field and set.

The invention discloses a novel heating system. The novel heating system comprises a combustion chamber, a heating chamber, a plurality of heating radiators, a water storage tank, a water inlet pump and a water return pump; the combustion chamber is arranged at the bottom of the heating chamber, water in the heating chamber is heated by combusting fuel oil through a giant magnetostrictive fuel injection pump, the generated hot water is driven to enter the heating radiators connected in series by the water inlet pump, and low-temperature water flowing through the heating radiators enters the water storage tank and then is driven to return to the bottom of the heating chamber by the water return pump; and a flow control valve is arranged on an inlet pipeline of each heating radiator, a temperature sensor is arranged on an outlet pipeline of each heating radiator, a controller adjusts the opening degree of the flow control according to temperature feedback values of the outlet pipelines, and therefore the temperature of each heating radiator can be adjusted.

The invention discloses a surface roughen processing method for laser rollers with irregular deflected focus light spots. In the method, the pulse laser beam output from a high-power pulsed laser is incident to an acousto-optic deflection device in a paseudorandom audio-optical deflection system, generates a small angle of two-dimensional random irregular deflection through the acousto-optic deflection device controlled by a paseudorandom electrical signal, and in above process, a focusing mechanism arranged at the front part or the back part of the acousto-optic deflection device is utilized to focus the pulse laser beam incident or emitted from the acousto-optic deflection device to form a series of focus light spots which irregularly scan along the rotating roller surface so as to carry out roughen processing on the roller surface and form random irregular distribution of the roughen spots on the surface of the rollers. When the roller processed by the method of the invention rolls the steel plate, the irregular roughen spot distribution can be formed, various profiles can be provided, and the rolling quality of the steel plate can be improved.

The invention discloses a digital auxiliary clamping device for curved surface parts, and relates to the technical field of clamps. The digital auxiliary clamping device for the curved surface parts comprises a main board and guide rails; the guide rails are arranged on two sides of the main board in parallel; supports are arranged on the guide rails and can slide along the guide rails; the supports are provided with adaptive clamping units, and the adaptive clamping units can slide up and down along the supports; and the adaptive clamping units are used for clamping workpieces, and the workpieces are arranged on the main board and arranged between the guide rails. According to the digital auxiliary clamping device for the curved surface parts, the number of the supports and the adaptive clamping units and the number of sensors in a working condition monitoring system can be reasonably adjusted so as to adapt to the curved surface parts with different lengths and different working conditions, thereby improving the machining precision of curved surfaces.

The invention provides a novel microgrid energy storage device power supply system. The system comprises alternating current input, an alternating current / direct current conversion circuit, a direct current conversion circuit, a linear voltage stabilizing circuit, a direct current output detection circuit, direct current output, a driving circuit, a digital-to-analog conversion circuit, a man-machine interaction circuit and a closed-loop control circuit. The alternating current input is converted into a direct current through the alternating current / direct current conversion circuit. Output ofthe alternating current / direct current converter circuit passes through the direct current conversion circuit to obtain the input of the linear voltage stabilizing circuit. The linear voltage stabilizing circuit is controlled by the closed-loop control circuit. The output of the linear voltage stabilizing circuit is the direct current output, the direct current output provides input for the closed-loop control circuit through the voltage detection circuit, the closed-loop control circuit provides data for the man-machine interaction circuit, and the direct current conversion circuit needs thedriving circuit to provide an input signal. A power supply of the invention is low in ripple and low in noise, online interaction and fault wave recording can be achieved, and operation stability isimproved.

The invention discloses a ramie conveying and peeling integrated machine. The ramie conveying and peeling integrated machine comprises a ramie conveyor and a ramie peeling machine, wherein the ramie conveyor comprises a conveyor rack, and a loading and conveying device, a ramie homogenizing device and a ramie feeding device which are mounted on the conveyor rack; the ramie peeling machine comprises a ramie peeling machine rack, and a ramie clamping and conveying device and a ramie peeling mechanism which are mounted on the ramie peeling machine rack; an output end of the loading and conveyingdevice is connected with an input end of the ramie homogenizing device; an output end of the ramie homogenizing device is connected with an input end of the ramie feeding device; an output end of theramie feeding device is connected with an input end of the ramie clamping and conveying device; and an output end of the ramie clamping and conveying device is connected with the ramie peeling mechanism. The ramie conveying and peeling integrated machine disclosed by the invention can be used for continuously and automatically finishing pre-treatment work including ramie homogenizing, tip cutting,rolling and the like before ramie peeling, automatic ramie peeling and conveying, and subsequent automatic ramie peeling of ramie stalks; on one hand, the feeding efficiency of the ramie stalks is improved exponentially; and meanwhile, the consistency of the pre-treatment work is also guaranteed and a good foundation is laid for the later-period ramie peeling quality.

The invention relates to a novel even-tension high-speed needling machine. The novel even-tension high-speed needling machine comprises a machine frame. A net peeling component and a net supporting component are arranged on the machine frame; the net peeling component is located right above the net supporting component; input rollers arranged in front of the net peeling component and the net supporting component are installed on the machine frame; a swing roller is arranged in the machine frame; the two ends of the swing roller are respectively connected with one end of a supporting arm; the other end of the supporting arm is connected with the machine frame through a rotating shaft; a sensor support is arranged on one side of the machine frame; a displacement sensor is installed on the sensor support; a connecting plate is arranged at the position, below the displacement sensor of the supporting arm; and the connecting plate can be in contact with the tail end of a guide rod of the displacement sensor when the supporting arm is rotated. The novel even-tension high-speed needling machine is simple in structure, low in manufacturing cost and high in sensitivity, the swing scope of the swing roller can be detected in a large-scope mode, the tension of a needling production line can be well adjusted on line, and the surface quality of manufactured fabrics is greatly improved.

The invention discloses a full-automatic ramie two-way stripping machine, which comprises a ramie conveyor, a front stripping machine and a rear stripping machine, and the ramie conveyor includes a conveyor frame and a feeding and conveying device installed on the conveyor frame , hemp leveling device and hemp feeding device, the hemp stripping machine includes a hemp stripping machine frame and a ramie clamping conveying device and a hemp stripping mechanism installed on the hemp stripping machine frame, the output end of the feeding conveying device and the hemp leveling device The input end is connected, the output end of the hemp leveling device is connected with the input end of the hemp feeding device, and the output end of the hemp feeding device is connected with the input end of the ramie clamping and conveying device. The ramie stalk conveyer of the present invention can realize the continuous and automatic completion of ramie stalk leveling, cutting, rolling and stripping of ramie stalks. The two-way stripping of the ramie stalk is realized, that is, the partial stripping treatment of the ramie stalk can be clamped and transported, thereby improving the utilization rate of the ramie stalk, and also improving the stripping efficiency of the ramie fiber guided from the ramie stalk.

The invention provides a circuit for displaying any Poincare section plane in a three-dimensional space by using an oscillograph, which comprises an input circuit, an any section plane generation circuit, a control signal forming circuit and a display signal forming circuit, wherein the input circuit is connected with the any section plane generation circuit which is connected with the control signal forming circuit; the control signal forming circuit is connected with the display signal forming circuit; and the input circuit is also connected with the display signal forming circuit. The invention provides a circuit for displaying the any Poincare section plane of a nonlinear system in the three-dimensional space. The circuit can be used for conveniently adjusting the direction and the position of the section plane on line at any time, thereby increasing the functions for the oscillograph of observing a motion curve internal structure of the nonlinear system and judging the stability of the system on line and providing a convenient and effective tool for detecting and recognizing the chaos state and chaos teaching demonstration and the like. The circuit disclosed by the invention can be used for flexibly adjusting the definition of the Poincare section plane and the intersecting points.