504 results about "Condensing lens" patented technology

The utility model discloses a single-point infrared temperature measuring device for a hot end part of an aero-engine, and relates to the field of temperature in-situ detection of engine blades. The device mainly comprises an optical probe with a cooling function, a spectrograph, a photoelectric detector, a high-precision motion positioning platform and a data processing system. The front end of the optical probe reflects radiation energy on the surface of the blade into the collecting lens set through the reflector, the spectrograph divides spectral energy into three different wave bands, signals are collected through the photoelectric detector and the high-speed data collector, and temperature information is obtained through calibration and analysis. The high-precision motion positioning platform adopts a sliding table and a rotating mechanism, and can control the adjustment of the angle of a reflector and the stretching of an optical probe, thereby achieving the precise measurement of the temperatures of different target positions. The whole device is compact in structure, and has the characteristics of high measurement precision, flexible position, low energy loss and the like, and can resist high temperature of 1500 DEG C.

The invention discloses a dynamic multi-spot projection optical system based on an LED light source, which comprises the LED light source, a reflecting cover, a grating sheet, a condensing lens, a concave reflector and an optical reflection assembly, and is characterized in that the LED light source is arranged at the bottom of the reflecting cover, and the grating sheet is provided with a light-transmitting area with a preset pattern shape; the reflecting cover consists of a plurality of plane reflectors A; the concave reflector consists of a plurality of plane reflectors B; light emitted by the LED light source forms a pattern light beam through the grating piece, the light beam is divided and reflected into a plurality of sub light beams through the conical reflecting cover, and the sub light beams are guided to the condensing lens through the optical reflecting mirror set. According to the invention, a low-cost, laser-free and safe LED scheme is adopted, and through innovative optical design, a complex dynamic light and shadow effect comparable to or even surpassing laser projection is realized, and the imaging definition is kept unchanged within a projection distance range of 2-15 meters.

The invention relates to a laser processing apparatus, a laser processing method, and a substrate cutting method using the same. The laser processing apparatus includes: a stage configured to support a substrate to be processed; a laser light source configured to generate a laser beam; a mode converter configured to convert the laser beam into a cylindrical vector beam; a polarization filter configured to polarize the column vector beam to form a double o-shaped beam in which two beams are arranged adjacent to each other in a first horizontal direction; a condensing lens configured to converge the double o-shaped light beam into a first laser beam and a second laser beam at a first light spot and a second light spot separated in a first horizontal direction on the substrate; and a driving portion configured to relatively move the first laser beam and the second laser beam with respect to the substrate in a second horizontal direction different from the first horizontal direction.

The invention belongs to the field of solar photovoltaics, and provides a CCLFR concentrating solar photovoltaic system and power generation equipment. The CCLFR concentrating solar photovoltaic system comprises a CCLFR concentrator, a supporting structure and PV assemblies which are arranged from bottom to top, wherein the PV assemblies are symmetrical left and right; the CCLFR condenser is of an axisymmetric structure and is a condensing mirror field formed by alternately arranging a plurality of plane mirrors; each plane mirror is used for reflecting incident light to the surface of the corresponding PV assembly; wherein the layout of each plane mirror is related to the width of the battery, the placement height of the photovoltaic battery, the inclination angle of the photovoltaic battery, the inclination angle of the mirror surface, the X-axis coordinate value of the mirror surface end point, the included angle between the reflection light of the mirror surface end point and the X axis, the width of the mirror surface, the width of the mirror field and the transverse distance between two adjacent mirror surfaces.

The invention discloses a light energy focusing vacuum 3D printing fusion forming device and method. The device comprises a vacuum cabin system used for providing a vacuum environment, an optical energy focusing system used for forming fixed high-temperature light spots in the vacuum environment through external optical energy, a powder laying and printing system used for laying powder layer by layer in the vacuum environment and conducting 3D printing through the high-temperature light spots, and a control system used for achieving automatic operation of the whole device. The vacuum cabin system comprises a cabin body, a vacuum pump, a cabin body upper cabin door, a lens mounting seat, a vacuum detection piece and a vacuum valve; the light energy focusing system comprises a condensing lens, a light source and a light shield; the powder laying and printing system is arranged in the cabin body and comprises a powder pool mechanism, a powder laying mechanism and a planar motion mechanism. According to the device, combination of high-energy beam 3D printing fusion forming and vacuum 3D printing is achieved, and the vacuum light energy sintering 3D printing process can be completed under the ground condition.

The invention provides a system and a method for detecting geometric parameters of an optical fiber with a longitudinal periodic structure. The system comprises an optical fiber clamp used for fixing a test part of the optical fiber to be detected in optical fiber refractive index matching oil in a space image imaging device; the light source is used for emitting test light to the collecting lens through the optical fiber bundle, and the test light is focused into a focused light spot through the collecting lens and then is sequentially emitted to the space image imaging device and the detection device; the space image imaging device is used for moving along the axis direction of the to-be-tested optical fiber based on a preset moving speed after the test light passes through a test part in the optical fiber refractive index matching oil so as to form an optical imaging signal corresponding to the test part; and the detection device is used for acquiring geometric parameters of the periodic structure in the to-be-detected optical fiber according to the optical imaging signal. According to the invention, the detection device can accurately obtain the periodic structure geometric parameters of the to-be-detected optical fiber, and the detection precision and reliability are improved.

The present invention provides a trough-type solar concentrating tracking bracket, wherein the adjustable lens bracket is provided with a running wheel set, and the running wheel set is driven by a motor to drive the adjustable lens bracket to move along an arc track, so that the trough-type concentrator installed on the adjustable lens bracket can rotate according to the change of the sun's position, thereby reflecting the sunlight from the most suitable direction to the solar collector tube. In this way, only the adjustable lens bracket needs to move, thereby avoiding the frequent movement of the solar collector tube, which not only reduces the maintenance and repair work of the collector tube, but also improves the high-pressure resistance of the collector tube, and at the same time greatly reduces or even avoids possible safety hazards. Therefore, the trough-type solar concentrating tracking bracket of the present invention can conveniently track the reflection of the sun, and has good practicality and market value.

The invention provides a super-structure lens condenser and a microscopic imaging lighting device, and belongs to the technical field of microscopic imaging. The technical problems that a traditional Kohler illumination collecting lens is large in caliber, thickness and weight, high in price and not beneficial to light weight and miniaturization of a microscopic system are solved, the technical scheme is that the super-structure lens collecting lens achieves abrupt change of a light field phase through interaction of a micro-nano structure and the light field, and the light field phase change is achieved through the super-structure lens collecting lens. Therefore, the light propagation direction is changed, and the micro-nano structures of the plane lens and the super-structure lens condenser for realizing light beam convergence are periodically arranged according to a certain interval. The beneficial effects are that the super-structure lens is utilized to perform light beam deflection and convergence on a plane by utilizing phase mutation, the limitation that a traditional lens needs a convex surface type or a plurality of lenses to realize large numerical aperture condensation is solved, the limitation on the surface curvature and the transverse size during processing is solved, the longitudinal size of the condensing lens is reduced, and the processing efficiency is improved. And miniaturization of a microscopic imaging system is facilitated.

The invention relates to the technical field of high-voltage insulation prediction, in particular to a pilot channel electron density diagnosis system and method based on a slit spectrum, and the system comprises an impulse voltage generator, a high-voltage electrode, a condensing lens, a slit, a first collimating lens, a second collimating lens, a VPHG, a high-speed camera, an electro-optical converter, a photoelectric converter, an oscilloscope, and a computer. According to the invention, the electron density in the pilot channel is accurately obtained, the evolution characteristics of physical characteristic parameters in the pilot channel in the long-gap discharge process can be effectively described, and high-precision calculation of the electron density can be realized without measuring the temperature; compared with the prior art, the method has the advantages that the time resolution and the space resolution are improved, the high diagnosis precision is ensured, the monitoring capability of the electron density change in the pilot discharge channel is enhanced, the change of the electron density can be effectively monitored in time and space, and the physical mechanism and characteristics in the pilot discharge process can be deeply understood.

The invention provides an optical element surface particle detection and cleaning device, which comprises a low-vacuum laminar flow environment module, a particle detection module, a particle cleaning module and a displacement table module, and is characterized in that the low-vacuum laminar flow environment module comprises a working chamber and a laminar flow low-vacuum control unit; the particle detection module comprises a first collecting lens, a second collecting lens, a laser emission assembly and a laser feedback detection assembly; the first collecting lens, the second collecting lens and the laser feedback detection assembly are respectively arranged in the working chamber; the particle cleaning module comprises a pulse laser emitting assembly, a beam expander and a convergent lens, and the beam expander and the convergent lens are arranged in the working chamber; and the displacement table module is arranged in the working chamber and is used for bearing the optical element to move in the working chamber so as to realize detection and cleaning of particulate matters on the optical element. According to the invention, in-situ detection and cleaning of the optical element can be realized in the semiconductor equipment, and the problem of secondary pollution after cleaning can be avoided.

To provide a laser radiation device which can prevent a removed object from adhering to cover glass for protecting a condensing lens in a reliable manner.SOLUTION: In a laser radiation device, a focus lens 1 which causes a laser beam P to converge and be focused on a surface of an object is provided. The laser radiation device which removes an object Q to be removed on an object surface with the laser beam is formed. Cover glass 2 is disposed on the front surface side of the focus lens 1. The laser radiation device includes suction means which suctions the removed object Q and jetting means which jets compressed air R to a surface of the cover glass 2. The compressed air R jetted from the jetting means is suctioned by the suction means.SELECTED DRAWING: Figure 1

The utility model discloses a lamp, which belongs to the technical field of illumination, and comprises a light source, a light guide cylinder, a zoom cylinder and a collecting lens, the light guide cylinder is provided with a first light inlet end, the first light inlet end covers the light source, the zoom cylinder is sleeved on the light guide cylinder, the zoom cylinder is provided with a first light outlet end far away from the light source, the collecting lens is arranged on the zoom cylinder, and the first light outlet end is provided with a second light outlet end far away from the light source. And the zoom cylinder can move relative to the light guide cylinder in the length direction of the light guide cylinder so as to change the distance between the light source and the collecting lens. According to the technical scheme, the design of the lamp can be simplified, and the large-angle light blocking phenomenon generated in the lighting process of the lamp can be avoided.

The invention discloses a groove type photo-thermal photovoltaic power station and sand plant composite installation structure and method, and aims to solve the problems that in the prior art, installation and adjustment of a groove type collecting lens are relatively difficult, the groove type collecting lens cannot adapt to the slope of the top of a sand plant steel structure shed, flexible adjustment cannot be conducted according to the illumination angle, and the installation cost is low. And the light energy utilization efficiency of the photo-thermal photovoltaic power station is influenced. The installation structure comprises a sand yard steel structure shed, the top of the sand yard steel structure shed is provided with a groove type solar thermal power generation assembly, the groove type solar thermal power generation assembly comprises a longitudinal supporting plate, and the top of the longitudinal supporting plate is provided with a rotatable bottom supporting pipe. And the device can adapt to the slope of the top of the steel structure shed of the sand plant, so that the angle of the groove type collecting lens can be adjusted, and the light energy utilization efficiency of a photo-thermal photovoltaic power station is improved.

The embodiment of the utility model provides a laser converter and a laser device. Wherein the laser converter comprises a shell, one side of the shell is provided with a laser input port, and the other side of the shell is provided with a laser output port; the nonlinear crystal is arranged in the shell and is used for converting the laser emitted from the laser input port into laser with a set wavelength; the first collecting lens is arranged in the shell and located on the side, away from the laser input port, of the nonlinear crystal, and the first collecting lens is used for focusing the laser with the set wavelength so that the laser output port can emit the focused laser. The laser converter can convert the laser, so that when the laser converter is applied to the laser device, the laser converter can be used for converting the laser originally emitted by the laser device, the laser originally emitted by the laser device is reserved, the laser device can emit the laser with the set wavelength by means of the laser converter, and the universality is good; and laser with set wavelength can be directly generated without adding a laser generator, so that the structure is simplified.

The utility model discloses an electric microscope, belongs to the technical field of biological microscopes, and solves the problems that the structural parameters of the existing electric microscope cannot be adjusted, an objective table shakes in the focusing motion process, and a slide is easy to crush. The device comprises a base and a supporting vertical plate, the other side of the supporting vertical plate is provided with an electric mechanism for controlling the collecting lens assembly and the objective table to ascend and descend, the electric mechanism comprises a main lifting motor, a guide rail II, a ball screw I and a sliding block assembly I, the output end of the main lifting motor is connected with the ball screw I, the sliding block assembly I is installed on the guide rail II in a sliding mode, and the sliding block assembly I is in threaded connection with the ball screw I; and the slide block assembly I is in threaded connection with a pressure adjusting screw. According to the electric microscope, the front-and-back and left-and-right moving range of the slide is enlarged, the risk that the slide is crashed or a mechanical structure is damaged by electric control is reduced, and the influence of shaking in the lifting process of the objective table is reduced.

The utility model provides a collecting lens and a lighting system, the lighting system comprises a collecting lens and a light source connected on the collecting lens, the collecting lens comprises a lens main body, and a light mixing lens and a condensing lens which are arranged on the lens main body. The condensing lens mixes the light rays emitted by the light source through the light mixing lens, and then condenses the light rays through the condensing lens, so that the projected light rays are uniform, disordered light spots can be effectively reduced, the light ray integrity is better, and the illumination effect is better. The condenser is particularly suitable for a light source with multicolor or double-color lamp beads, the color consistency of light rays emitted by the light source can be effectively improved, the lighting effect is enhanced, and the use requirements of users for use diversification are efficiently met.

The invention discloses a spectral confocal efficient three-dimensional measurement device and method based on a spatial light modulator. The device comprises an illumination module and a detection module. The illumination module comprises a white light LED light source, a collimator, an LED condenser, a digital micromirror device DMD and a dispersion objective lens; the detection module comprises an imaging objective lens, a CCD detector and computer processing equipment. According to the invention, traditional point-by-point spectrum confocal measurement is expanded to area array type measurement, so that the measurement speed can be effectively improved; meanwhile, different from a scanning type or fixed pinhole type parallel measurement scheme, the invention uses a pinhole array with controllable diameter and spacing, thereby improving the flexibility and lateral resolution of measurement.

The invention provides a concentrating photovoltaic power generation system and a control method thereof. The system comprises a collecting lens, a guide rail bracket, an arc-shaped guide rail, a photovoltaic panel, a gear, a guide rail motor, a connecting piece, a guide rail sliding block and a roller, the arc-shaped guide rails are installed on the two sides of the collecting lens in parallel through guide rail supports, the convex face is provided with a rack structure, and the size of the rack structure is determined in advance according to the moving track of light gathered by the collecting lens. The end part of the photovoltaic panel is connected with a guide rail sliding block through a connecting piece; the guide rail sliding block and the arc-shaped guide rail form a sliding fit structure through a roller; the guide rail motor is fixedly installed on the guide rail sliding block, and an output shaft of the guide rail motor is connected with the gear meshed with the rack structure of the arc-shaped guide rail. When the guide rail motor drives the gear to rotate, the guide rail sliding block is driven to slide on the arc-shaped guide rail, the photovoltaic panel is controlled to move along the arc-shaped track of the arc-shaped guide rail, and light gathered by the collecting lens is irradiated on the photovoltaic panel. The optical loss can be reduced, and the solar power generation power and the utilization rate of unit land area can be improved.

The optical detection device comprises a light emitting module and a light receiving module, the light emitting module comprises a first light source unit, a light receiving lens, a first light filter, a light combining lens and a projection lens which are arranged in sequence, and the first light source unit comprises one or more light sources; the light receiving lens converts the light beam into a light beam with a light included angle smaller than a first preset value, the light combining lens is used for deflecting and converging the light penetrating through the first optical filter, and the projection lens is used for projecting the light on a detected object so that the detected object can be excited to emit fluorescent light; the light receiving module comprises a light receiving lens, a light splitting unit, a second optical filter, a condensing lens and a sensor which are arranged in sequence, the light receiving lens is used for receiving fluorescent light and converting the fluorescent light into light beams with light included angles smaller than a second preset value, and the light splitting unit is used for guiding light with different wavelengths to different directions; and the light rays in different directions sequentially pass through the second optical filter and the condensing lens in the direction and then enter the sensor. And the light receiving and emitting efficiency is improved.

The invention relates to a focal plane detection system and method.The focal plane detection system comprises a first lens group, a spectroscope, a focal plane detection module, a second lens group and a digital camera photosensitive chip, the focal plane detection module comprises a conjugate lens group, a marker and an illumination condenser, and the projection of the marker is projected to an inclined object plane through the first lens group; the inclined object surface is provided with the characteristics of the marker, light reflected by the object with the projection characteristics of the marker enters the second lens group through the first lens group and the spectroscope, only one position exists, so that the projection of the inclined marker intersects with an ideal focal plane, and other positions of the inclined projection are not intersected and are in an out-of-focus state. And the main light path digital camera photosensitive chip transmits the obtained digital image signal to a computer for image processing and image definition evaluation so as to calculate the intersection position of the inclined projection image and the ideal focal plane, and focusing is carried out according to the intersection position of the inclined projection image and the ideal focal plane.

A beam projection apparatus includes a light source, micromirror component, a light guide lens set, a projection lens, a condensing lens with a lens portion and an asymmetrical lens portion extending from the lens portion and having a cut surface, and a wavelength conversion component disposed at a side of the condensing lens for at least partially converting a wavelength of a color light and reflecting the color light to the condensing lens. The light source is disposed corresponding to the cut surface and emits the color light. The micromirror component is disposed at another side of the condensing lens relative to the wavelength conversion component. The light guide lens set is disposed on a light exit axis of the lens portion to guide the color light to be incident to the micromirror component for forming a projection beam. The projection lens receives the projection beam for optical projection.

The present invention provides a vehicle lamp having a simple structure and capable of achieving a desired light distribution on a shading component. The vehicle lamp (10) comprises: a first light source (21) and a second light source (22) having light-emitting surfaces (21a, 22a) and arranged in a predetermined parallel direction (Dp); a single condensing lens (12) for converging light emitted from the first light source (21) and the second light source (22); a shading component (13) provided with an irradiation slit (26) for partially passing the light condensed by the condensing lens (12); and a projection lens (14) for projecting light after passing through the shading component to form an irradiation pattern (Pi). The first light source (21) and the second light source (22) are arranged at a distance (d) greater than the dimension of the luminous surfaces in the parallel direction (Dp). The condensing lens (12) forms a high light intensity area (HA) with the highest light intensity on the shading component, thereby achieving a single light distribution in the parallel direction (Dp).

This application provides a soft flash structure and a mobile phone. The soft flash structure includes a soft light, a soft lens, and a light shield. The curved reflective lens section has an incident curved surface and a reflecting curved surface on opposite sides, both curved away from the planar lens section. The planar lens section has a reflecting plane on opposite sides, and the condensing lens section has a condensing reflecting surface and a light emitting surface on opposite sides. The incident curved surface, one reflecting plane, and the condensing reflecting surface are connected sequentially, as are the reflecting curved surface, the other reflecting plane, and the light emitting surface. The soft light, the curved reflective lens section, the planar lens section, and the condensing lens section are housed together within the light shield. The light emitted by the soft light is at least partially incident on the incident curved surface and reflected sequentially by the reflecting surface, the two reflecting planes, and the condensing reflecting surface, before exiting through the light emitting surface. The aforementioned soft flash structure can form a gradually softened light spot with better light uniformity.

The invention discloses a design method of a uniform condensing lens with wide angular domain receiving performance, which relates to the technical field of space solar power stations and comprises the following steps: constructing energy equations of each receiving area and a plurality of lens ring teeth corresponding to the receiving area by taking uniform energy distribution on each receiving area as a constraint; wherein the lens ring teeth are located on the emergent surface of the lens, and light enters from the incident surface of the lens and reaches each receiving area after being refracted; determining a lens ring tooth number corresponding to each receiving area according to a preset condensation ratio and an energy equation; analyzing the influence of the inclination angle of the lens ring tooth on the optical characteristics of the lens ring tooth, and obtaining the critical value of the inclination angle of the lens ring tooth and the optimal focal length of the lens; and designing a generatrix of the lens, and constructing a uniform condensing lens function with wide-angle-domain receiving performance so as to realize parameter design of the lens. The problem that the condensation efficiency and the light spot uniformity are suddenly reduced during non-vertical incidence of light can be effectively solved.

The invention relates to a photovoltaic universal enhancement tube, which comprises a hollow tube, a condensing lens, a transmission optical fiber, a photovoltaic sheet and an output socket, and is characterized in that external light is focused by the condensing lens, then is directionally conducted to the photovoltaic sheet by the transmission optical fiber, is converted into electric energy by the photovoltaic sheet, and is output through the output socket; through the combination of the condensing lens, the insulating pottery tube and the directional optical fiber, the light intensity density received by the photovoltaic sheet is improved by 3-5 times compared with that of a traditional planar photovoltaic device, and the photoelectric conversion efficiency is remarkably enhanced.

The utility model relates to the technical field of beauty physiotherapy equipment, and provides a phototherapy device, which comprises a shading plate, a phototherapy assembly and a fixing layer, and is characterized in that the shading plate is provided with a first accommodating groove; the phototherapy assembly comprises a lamp strip and a condensing lens which are arranged in the first containing groove, the side, opposite to the shading plate, of the lamp strip is electrically connected with a lamp bead, and the condensing lens covers the lamp bead. The fixing layer is formed in the first containing groove so as to package and fix the lamp strip and the condensing lens, and the condensing lens is exposed out of the fixing layer. The phototherapy effect of the device can be improved, so that the use experience of a user is improved.

A multicolor light mixing module includes a light-dividing unit, a light-homogenizing member, a first laser set including first and second lighting units in a sequential arrangement, a light-mixing unit obliquely opposite to the light-dividing unit for guiding a first color light of the first lighting unit and a second color light of the second lighting unit along first and second light-mixing axes to form first and second laser beams, and a condensing lens. The light-dividing unit is obliquely opposite to the first laser set to allow partial transmission and partial reflection of the first and second color lights, for guiding the first and second color lights along first and second light-dividing axes. The light-homogenizing member is disposed on the first and second light-mixing axes for homogenizing the first and second laser beams. The condensing lens between the light-homogenizing member and the light-mixing unit condenses the first and second laser beams.

The invention discloses a corneal graft configuration measuring device based on a grating projection method and a use method, and relates to the technical field of corneal graft configuration measurement, the corneal graft configuration measuring device comprises a grating optical measuring component and an eyeball environment simulating component, the eyeball environment simulating component is an intraocular pressure bubbling instrument, the intraocular pressure bubbling instrument comprises a hydraulic cavity and an eyeball-imitating rigid support, and the hydraulic cavity is communicated with the eyeball-imitating rigid support. The eyeball-imitating rigid support is arranged at the top of the hydraulic cavity; the grating optical measuring component comprises a laser light source, a precise optical grating, a condensing lens, a transparent artificial cornea graft, a narrow-band filter and an industrial camera. According to the corneal graft configuration measuring device based on the grating projection method and the using method, the defects in the prior art are overcome by adopting a transmission-type measuring light path, the configuration evolution of the corneal graft in a standard intraocular pressure environment can be measured in a non-contact, real-time, high-precision and low-cost mode, the operation effect of corneal transplantation is simulated, and the measurement accuracy of the corneal graft is improved. And effective guidance is provided for optimization of a medical clinical corneal transplantation operation scheme.

The utility model relates to a light emitting device. The light-emitting device comprises a light-emitting assembly, a shading piece and a condensing lens, the light-emitting assembly comprises a light-emitting chip, the light-emitting assembly is provided with a mounting groove, and the light-emitting chip is arranged in the mounting groove. At least part of the shading piece is arranged in the installation groove, the shading piece is provided with a light passing hole corresponding to the light-emitting chip, the light passing hole is provided with a light passing opening for limiting the light passing amount, and the size of the light passing opening is smaller than or equal to the size of the light-emitting face of the light-emitting chip. The condensing lens is arranged on the light-emitting assembly or the shading piece and corresponds to the light passing hole. The light-emitting device can output small-angle light beams only by means of the shading piece and the condensing lens, a plurality of lenses do not need to be arranged, and the structure is simple; the size of the shading piece is matched with the size of the light-emitting chip, and the size of the condensing lens is matched with the size of the light passing hole, so that the size of the light-emitting device can be greatly reduced, the miniaturization of the light-emitting device is realized, and the cost of the light-emitting device is remarkably reduced.

The application discloses a high-energy extremely-short-pulse-width incandescent light source system based on argon, and relates to the field of air flow tests.The high-energy extremely-short-pulse-width incandescent light source system comprises a high-voltage electrode for performing arc flash when high voltage is applied, the high-voltage electrode comprises a high-voltage anode and a high-voltage cathode capable of performing arc flash when high voltage is applied, and the high-voltage anode and the high-voltage cathode have a predetermined distance; an argon supply device for supplying argon between the high-voltage anode and the high-voltage cathode; a light device and a condenser lens group oppositely arranged on both sides of the high-voltage electrode; a power supply for supplying power to a high-voltage energy storage device, wherein the high-voltage energy storage device is electrically connected with the high-voltage electrode; a control module for performing time sequence control on the high-voltage anode and the high-voltage cathode; and an input and output module connected with the control module and the power supply.The application uses argon instead of conventional air as an ionization medium in the high-voltage electrode, so that the extremely-short-pulse-width can be realized when arc flash occurs, and the electrode can be prevented from being oxidized and damaged.