32results about How to "Uniform lighting" patented technology

The invention discloses an illuminating system applied to a night-vision system, which comprises a light source, a zoom lens group and a zoom driving device, wherein the zoom driving device is connected with the zoom lens group and / or the light source and used for making lenses in the zoom lens group generate relative displacement to the light source so as to change the focus distance of the zoom lens group, and a light emergent surface of the light source is positioned on a focus of the zoom lens group or outside the focus. The illuminating angle of the illuminating system can be adjusted on a large scale along with the change of the lens focus distance by changing the focus distance of the lens group. The illuminating system has even illumination, which can make the imaging clear, without dark space; and the illuminating system can effectively improve light utilization rate and reduce luminous energy loss.

The invention discloses a surface light source illumination method and a device for a television. The method comprises the following steps that: the television receives an illumination mode opening signal and enters an illumination mode; and the television opens a light-emitting diode (LED) backlight surface light source of a display screen. After the television enters the illumination mode, LED backlight of the television screen serves as an illuminating surface light source, which has uniform illumination and soft brightness and does not irritate eyes; and moreover, a good illumination effect can be guaranteed, and requirements of users on the illumination brightness are met.

The invention discloses a lens and an LED bulkhead lamp comprising the same. The outer outline of the lens is formed by connecting a bottom surface and a convex surface, wherein the convex surface is an outer curved surface of the lens, the bottom surface is a plane, the bottom surface is shaped as a circle, the bottom surface is provided with a hole slot, the outer outline of the hole slot is formed by connecting a hole slot bottom surface with a hole slot convex surface, the hole slot bottom surface is a plane and is shaped as a circle, the hole slot bottom surface and the lens bottom surface are on the same plane and concentric, the radius of the hole slot bottom surface is less than that of the lens bottom surface, and the hole slot convex surface is an inner curved surface of the lens. The LED bulkhead lamp is provided with a heat conducting device and can accelerate the speed of radiating heat. The lens provided by the invention is designed by adopting a method of combining the inner curved surface and the outer curved surface, is small and practical, is simple in manufacture, and can be used for uniform irradiation of a large-area light source; and the LED light source has better heat radiating performance, is nonuniform in illumination, and can be widely applied to the field of illumination.

The invention discloses a RBW mixed color plant growth LED lamp. The LED lamp is formed by a rectangular LED unit or a triangular LED unit. The rectangular LED unit is formed by four lamp beads. The four lamp beads are respectively on four vertexes of the rectangular LED unit. The triangular LED unit is formed by three lamp beads. The three lamp beads are respectively on three vertexes of the triangular LED unit. The LED units are arranged tightly, and lamp beads are shared between adjacent units. The plant illuminating LED lamp greatly improves light mixing uniformity and working surface lighting effect, and realizes rectangular grading of specific spectrum. The LED lamp is aimed at open-air farmland, agricultural greenhouses, plant factories, and other plant growing places, and solves a problem of insufficient sunlight illuminance and has a function of supplementing light at night, and improves light quality needed by plant growth.

The invention discloses an illumination system of ghost elimination eye fundus camera, which comprises the following steps of: sequentially comprising a beam splitter, a collimating lens, a light collecting system, a field-of-view optical waveguide, a polarization beam splitter, a reflecting mirror, a field mirror, a first polarizing beam splitter and a receiving objective lens from object space to image space, a first light source is arranged on the left side of the beam splitter, and a second light source is arranged on the upper side of the beam splitter; the light emitted by the first light source and the second light source sequentially passes through the beam splitter, the collimating lens and the light collecting system to form primary image on the field-of-view optical waveguide, then the light sequentially passes through the polarization beam splitter, the reflecting mirror, the field mirror, the first polarizing beam splitter and the receiving objective lens to form a field-of-view-optical waveguide-like spot is formed in the eye pupil or crystalline lens. Compared with the lighting system in prior art, the illumination system of ghost elimination eye fundus camera has the advantages of simpler structure, more uniform illumination and better effect of eliminating ghost.

The invention relates to the technical field of illumination by using a miniaturized low-power-consumption light source, in particular to an integrated light source device for a microscope objective lens array. The invention is applied to the field of microscope light sources and solves the problems of complex structure, difficult miniaturization and high product price of the traditional uniform light source. The integrated light source device for the microscope objective lens array comprises a plurality of micro lighting devices, wherein the plurality of micro lighting devices are sequentially arranged to form a micro lighting device array; a micro lighting device comprises a light source, a Mie scattering device and a condenser lens; the light source is positioned at one side of the Mie scattering device, and the condenser lens is positioned at the other side of the Mie scattering device; the light source is used for emitting light to irradiate the Mie scattering device; the Mie scattering device is used for scattering and irradiating light emitted by the light source onto the condenser lens; and the condenser lens is used for focusing and outputting the light incident from the Mie scattering device. The integrated light source device of the invention can meet the illumination requirement of the microscope objective lens array, and the illumination is more uniform.

The invention relates to a reflective solar concentrator without an optical equalizing rod, which comprises a primary reflector and a secondary reflector, wherein the primary reflector is used for condensing light and is provided with a hole in the centre, the hole is used for installing a photoelectric device to form a condensation surface; the secondary reflector is used for reflecting reflective ray of the primary reflector, the concentrator has a central symmetric axis, the primary reflector is a revolution paraboloid formed in such a manner that a parabolic segment whose focus is not on the central axis, and another segment which is symmetric to the parabolic segment respective to the central axis revolve around the central axis or extend along the axis which is perpendicular to the segment plane, the secondary reflector is a rotation surface or a cylindrical surface which is formed a line segment of which the starting points are on the central axis, and another line segment symmetric with the line segment relative to the central axis by the way of rotating around the central axis or extending along the axis which is perpendicular to the segment plane, the incident rays parallelly irradiating on the primary reflector uniformly irradiate on the condensation surface through the primary reflector and the secondary reflector without a blind area. The concentrator can be used for high-power solar concentration without the optical equalizing rod and has the advantages of no blind area, uniform illumination, low cost and high generating efficiency.

The invention relates to a high-luminance LED illuminating energy-saving lamp with round illuminating luminous spots, wherein the input end of a power supply converter is connected with a power supply, the output end of the power supply converter is connected with an LED chip which is positioned in a shell, a collecting lens is positioned below the LED chip, and a round luminous spot forming lens is positioned below the collecting lens. The high-luminance LED illuminating energy-saving lamp has the following advantages: firstly, the light generated by a high-luminance LED chip forms the round luminous spots with even and ordered illumination; secondly, because the LED chip is a cold light source which gives light but not heats, the energy-saving effect is remarkable; thirdly, the LED chip and the collecting lens are designed as a spacial cavity in favor of reducing the LED thermal resistance, so that the luminous efficacy conversion rate of the LED is improved greatly and the luminous efficacy and the output power of the LED are improved; fourthly, because the LED chip is a pollution-free solid luminous source, the luminous source does not cause pollution to the environment; and fifthly, the service life is long, which can reach 100,000 hours theoretically.

The invention discloses a table lamp with a uniform light source, comprising a base, a lamp arm rotatable relative to the base is arranged on the base, the rotation axis of the lamp arm is perpendicular to the longitudinal direction of the lamp arm; The rotating lampshade assembly, the rotation axis of the lampshade assembly and the rotation axis of the lamp arm are parallel to each other; the lampshade assembly is a rectangular ring-shaped part, and the ratio of the length L to the width S of the lampshade assembly is 16:9; the lampshade assembly There are LED light sources arranged in a ring shape. The invention has the advantages of simple structure, uniform illumination, reasonable light coverage area and the like.

The invention discloses a gesture-controlled automobile door trim panel atmosphere lamp, a mounting hole is formed in a trim panel shell, a light-transmitting cover is positioned at the mounting hole,an LED lamp panel is mounted at a rear port of the light-transmitting cover, a gesture control module is connected with the LED lamp panel and a central control device of an automobile, and a light equalizing film is arranged on the inner side wall of the light-transmitting cover; the light-transmitting cover is a red light-transmitting cover or a yellow light-transmitting cover or a blue light-transmitting cover, the LED lamp panel comprises a three-color LED lamp, after the gesture control module receives the frequency information of the gesture instruction, a lighting control instruction is formed and transmitted to the LED lamp panel, and the three-color LED lamp emit red light or yellow light or blue light according to the lighting control instruction, therefore, lamplight with different colors can be transmitted through the light-transmitting cover according to color matching. By means of the LED lamp panel, the LED lamp panel is matched with the light equalizing film after being powered on and turned on, so that lamp is turned on evenly, a good automobile indoor lamplight atmosphere effect is created, gesture control is adopted, and a driver can control the atmosphere lampsafely in the automobile driving process.

The invention provides a colored glaze of an illuminator which comprises a lump pipe and a curl reflecting plate behind the lump pipe. It is characterized in that: the end part of the curl reflecting plate arranges lump pipe two sides reflecting sheet; it reflects the light from lump pipe and reflected by the curl reflecting plate to the remote place so that the light can evenly illuminate to the picture support plate.

The invention relates to the technical field of LED backlight sources, in particular to backlight source structural improvement of surface light-emitting display devices used for advertisement signboards, instruments, entertainment machines and the like and provides a uniformly light-emitting reflective backlight source which overcomes the technical shortcoming that an existing backlight source is large in power consumption, heavy, high in cost, non-uniform in light emitting and the like. The uniformly light-emitting reflective backlight source comprises at least one lighting unit, each lighting unit comprises a lampshade, an LED light source is arranged at the center of each lampshade, and a light diffusion plate is arranged at an opening of each lampshade. The uniformly light-emitting reflective backlight source is characterized in that each LED light source comprises an LED substrate, an LED lamp wick is arranged on the LED substrate, a bottom reflecting plate is arranged in a peripheral area of the LED lamp wick on the upper surface of the LED substrate, a top reflecting plate parallel to the bottom reflecting plate is arranged above the LED lamp wick, supporting legs are arranged at the edge of the top reflecting plate, the bottom ends of the supporting legs are connected with a fixing ring attached to the bottom reflecting plate, and the top reflecting plate, the supporting legs and the fixing ring are of an integrally formed structure. Besides, the lampshades, the bottom reflecting plates and the top reflecting plates are all made of PP (polypropylene) plastic material. The uniformly light-emitting reflective backlight source is energy-saving, lightweight, low-cost and convenient to mount, light loss during transmission in a light guide plate is avoided, and light emitting is uniform while thickness of the backlight source is decreased greatly.

The invention discloses a film exposure table for glass production. The film exposure table comprises a frame, a tapered lamp box, exposure lamps, an exposure platform, a cover plate, a vacuum pump, avacuum air pipe, a cooling machine, a cooling pipeline and an air outlet device, wherein the tapered lamp box is arranged on the frame, the exposure lamps are arranged in the tapered lamp box, the exposure platform is arranged at the position, above the tapered lamp box, on the frame, the cover plate is arranged on the exposure platform, a cavity for accommodating an exposed object is defined bythe exposure platform and the cover plate, packing cloth is arranged on the cover plate in a covering manner, a sealing strip is arranged at the position of the edge of the inner side of the cover plate, the vacuum pump is arranged on the frame, and is connected with the interior of a sealing cavity formed by the cover plate and an exposure slip through the vacuum air pipe, the cooling machine isarranged on the frame, and is connected with the air outlet device through the cooling pipeline, and the air outlet device is arranged at the upper parts of the two sides in the tapered lamp box. In general, the film exposure table has the advantages of being uniform in illumination, uniform and complete in cooling, low in energy loss, and high in exposure efficiency.

The invention discloses a nursery stock transferring and cultivating device for landscaping. The nursery stock transferring and cultivating device comprises a horizontally-arranged bottom plate, a vertically-arranged supporting column is fixedly connected to the upper surface of the bottom plate, a first supporting plate is horizontally arranged above the bottom plate, the first supporting plate is fixedly connected with the supporting column, the first supporting plate is round, a culture tank is horizontally arranged above the first supporting plate, the culture tank is annular, a water level detector is fixedly connected to the inner wall of the culture tank, a plurality of vertically-arranged rotating columns are fixedly connected to the bottom surface of the culture tank, and rotatinggrooves matched with the rotating columns are formed in the upper surface of the first supporting plate; and the multiple rotating columns extend into the rotating grooves and are rotationally connected with the rotating grooves. According to the nursery stock transferring and cultivating device, by arranging an illuminating lamp, seedlings are made to rotate at a constant speed, so that the seedlings can be uniformly illuminated and leave a nutrient solution at set intervals, so that the supply of nutrients to roots of the seedlings is ensured, the growth of the seedlings is facilitated, andthe nursery stock transferring and cultivating device is convenient and practical.

The invention discloses a silica gel lamp strip capable of uniformly emitting light, and relates to the technical field of lamp strips. The silica gel lamp strip comprises a flexible lamp strip main body, wherein the flexible lamp strip main body comprises a light-proof colloid and a light diffusion colloid, and the top plane of the light diffusion colloid at the top is lower than the top plane of the light-proof colloid; and a flexible circuit board is placed in the flexible lamp strip main body, salient points, bonding pads and LED lamp beads are arranged on the side surface of the flexible circuit board, and the salient points enable that the reflection distance of a reflection surface formed by the LED lamp beads on the flexible circuit board and light-proof colloid in the flexible lamp strip body to be kept basically stable. According to the lamp strip, light emitted by the LED lamp beads is subjected to optical reflection and light diffusion through the reflection distance, more light is emitted by the lamp strip, and illumination is more uniform; and the salient points are arranged on the side surface of the flexible circuit board, so that an appropriate reflection distance is always kept between the LED lamp beads and the inner wall of the flexible lamp strip glue groove, the light color of emitted light of the flexible lamp strip after any bending deformation is kept uniform, no shadow exists on the light emitting surface, and the light emitting uniformity of the flexible lamp strip is kept.

Provided are an illumination device and display device capable of even illumination. A positioning recess (225) provided in a light guide plate (22) and a portion in the periphery of the recess (225) are covered by a cover (26) from one surface side of the light-guide plate (22). As a result, the cover (26) suppresses the emission of light emitted from the vicinity of the recess (225) on the one surface of the light guide plate (22) onto the outer portion of a backlight unit (2) that functions as an illumination device. Thus, even if light is scattered at the recess (225) of the light guide plate (22) and the brightness of the vicinity of the recess (225) is greater than the brightness of other portions, the leaking of excessively bright light onto the outer portion of the backlight unit (2) (in this case, the side of a display panel (11)) is suppressed. That is, brightness unevenness caused by the recess (225) of the light guide plate (22) is suppressed.

Provided is a Spectroscopic device being able to improve evenness, including: a light source unit, a beam splitter, a set of first light, a light, and a set of the second lens. The spectrometer is used to make the light source the light unit by monochromatic light is produced. The light piece includes a hollow columnar ontology, a lie in the inside of the body surface reflective film, a set of towards the first lens into the smooth surface, a reverse of the smooth surface of the smooth surface, and a surrounding the light source unit of an axis and reflects the light multiple reflector, the reflective surface is defined for a light through a channel. With the light a light homogenization effect, can make in a samples on the irradiation plane under uniform illumination, improve spectrum measurement and the accuracy of analysis.

The invention discloses an LED grille lamp. The LED grille lamp comprises a light guide plate, a main grille bar, a light source plate and an LED light source arranged on the light guide plate, wherein the light guide plate is arranged at the top of the main grille bar; the bottom of the light guide plate is fixed at the top of the main grille bar; the LED light source is arranged on the light guide plate; the sidewall of the light guide plate is arranged in a manner of being corresponding to the LED light source on the light guide plate; and the light guide plate is used for refracting the light ray emitted by the LED light source along a direction facing the main grille bar. According to the invention, the bottom of the light guide plate is fixed at the top of the main grille bar, the sidewall of the light guide plate is arranged in a manner of being corresponding to the LED light source on the light guide plate, and the light guide plate is used for refracting the light ray emitted by the LED light source along a direction facing the main grille bar; in this way, through fixing the light guide plate on the main grille bar, arrangement of an additional fixing structure on the grille lamp for fixing the light guide plate is omitted, thus the LED grille lamp has the advantages of being simple in structure, uniform in illumination, and capable of preventing glare.

The invention discloses a multifunctional power transformation equipment nameplate collecting and recording device which comprises a telescopic insulating rod, a holder fixedly arranged at the head of the insulating rod, handheld terminal equipment and a wireless camera fixedly arranged on the holder. An annular light supplementing lamp is fixedly arranged at the tail of the wireless camera, the wireless camera is arranged in the center of the light supplementing lamp, and the wireless camera is in wireless connection with the handheld terminal device. An operator can be wirelessly connected with the camera through a mobile phone on the ground, the picture of the camera is displayed in real time, a nameplate is photographed, and the risks of high-altitude falling and electric shock are avoided. The light supplementing lamp irradiates a nameplate or a defective part of equipment, so that a picture is clearer, the clear picture can be shot in a dark environment or at night, the light supplementing lamp is annular, the shot part is uniformly illuminated, light spots or shadows are avoided, and the camera is particularly suitable for short-distance shooting.

The invention discloses a multi-lamp-body folding desk lamp. The folding desk lamp comprises a first lamp body, a second lamp body, a third lamp body, a rotating shaft, a folding shaft, a supporting rod, a lamp base and a control switch, wherein the lamp base is connected with one end of the supporting rod; the other end of the supporting rod is connected with the first lamp body through the rotating shaft; the first lamp body is connected with the second lamp body through the folding shaft; the third lamp body is arranged at one end of the lamp base; and the control switch is arranged on the lamp base. The folding desk lamp adopting the multi-lamp-body design illuminates uniformly and can realize illumination with no dark space; and the lamp bodies can be folded, and the brightness of the lamp bodies is surely free from influence.

The invention discloses a tomato cultivation supporting frame which comprises a machine seat. A supporting rod is rotatably connected on the machine seat, a plurality of oblique rods are equidistantlyarranged on the supporting rod peripherally, and an arc-shaped rod is arranged on each oblique rod; an arc-shaped groove is formed in each arc-shaped rod, an arc-shaped block is slidably connected ineach arc-shaped groove, a first spring is arranged between each arc-shaped block and the corresponding arc-shaped groove, a container is arranged on each arc-shaped block, a limiting groove is vertically formed in the top of the supporting rod, and a cylinder is rotatably connected in each limiting groove; a vertical pipe is arranged in the supporting rod, a water spraying pipe is connected on the vertical pipe, a linkage gear is arranged on the supporting rod, a motor, a piston mechanism and a water tank are arranged on the machine seat, a cam and a bevel gear are arranged on a rotating shaft of the motor, a water incoming pipe is arranged between the piston mechanism and the water tank, and a water outgoing pipe is arranged between the piston mechanism and the cylinder. The tomato cultivation supporting frame mainly solves the problem that growth of tomato is impacted due to nonuniform illumination at present.

The invention discloses a tea leaf processing and sunning device. The sunning device comprises a power assembly, wherein the power assembly comprises a first bottom plate; a first gear is arranged on the first bottom plate; an escape wheel is arranged on one side of the first gear; an escape fork is arranged on one side of the escape wheel; an angle adjusting assembly is arranged above the first bottom plate and comprises a second bottom plate; a first rotating frame is arranged on the second bottom plate; an adjusting plate is arranged at one end of the second bottom plate; a second rotating frame is arranged above the adjusting plate; a rotating assembly is arranged above the second bottom plate and comprises a support; and a rotating assembly is arranged in the support and comprises symmetrically distributed mounting frames. The sunning device adopts the mechanical clock power driving structure design, can rotate automatically and can rotate automatically according to rising and falling of the sun, so that the sunning device is always aligned to the sun, the sunning effect is improved, the angle of the sunning device is adjustable and can be adjusted according to different sun angles in four seasons, tea leaves are uniformly illuminated, and the sunning effect is further improved.

The invention relates to an LED lamp which comprises an LED circuit board. LED lamp points are arranged on the LED circuit board, and a light guide body is also arranged on the LED circuit board. Thelight guide body comprises a light input part which is vertically fixed to the LED circuit board and covers the periphery of the LED lamp points, and a light guide part which inclines upward relatively to the horizontal plane is arranged on the upper side of the light input part. The light guide part communicates through the side part to form a circular ring structure, and the light of the LED lamp points is shot from the transparent place of the upper side of the light guide part. The light of the LED lamp points are reflected and diverged through the light guide body, so that a point-shapedlight source is converted to a strip-shaped light source, point appearance of the LED lamp is avoided, the light of the LED lamp is more uniform, and therefore the lighting effect of the LED lamp is improved.

The invention relates to a camera flash unit. The camera flash unit comprises a flash unit body and a light-emitting body electrically connected with the flash unit body. The flash unit body further comprises a soft light device and a locating device controlling the light-emitting body to move. The locating device comprises a transverse guide rod, and a longitudinal connection rod installed on the transverse guide rod. The upper end of the longitudinal connection rod is connected with the light-emitting body through a universal adjusting pipe. A light source of the camera flash unit can be placed at will so that the front, left, right and backlight irradiation effect can be achieved flexibly, the illumination on the surface of a subject to be shot is uniform and soft, and the camera flash unit is suitable for microspur shooting.

The invention discloses a color selector illuminating system. The color selector illuminating system comprises light sources, glass, a light source control touch screen and background plates, wherein the glass is used for separating the light sources and the background plates from materials; the light sources are coaxial light sources; an edge filter is arranged on the periphery of each coaxial light source; an electronic thermostat is arranged under the coaxial light sources; a layer of antireflection film is coated to the surface of the glass; and a layer of high-reflective film is coated to the surface of each background plate. The color selector illuminating system disclosed by the invention has the advantages that the semi-annular coaxial light sources are designed, so that the color rendering property and the light reflection strength are improved, and the uniform illuminating can be realized; unwanted radiation is removed, so that the radiated interference is avoided; the light transmittance of the glass and the light reflection rate of the background plates are improved, so that the signal-noise ratio is increased, and high-accuracy sorting is facilitated; the electronic thermostat is favorable for keeping the temperature in the sorting chamber constant, so that the condition that the change of light reflection properties of the materials and the light reflection properties of the background plates due to temperature change is avoided, and the sorting accuracy rate is further increased; and compensators are separately arranged on the background plate mounting seats, so that the vibration and local displacement of the equipment can be absorbed, and the background plates can be kept stable.

The invention relates to an intelligent control clean energy three-dimensional planting facility which comprises a three-dimensional cultivation frame, a supporting column, a base, a liquid storage container, a first solar panel, a rotating disc, a driving assembly and a battery module. The supporting column is arranged on the rotating disc, the first solar panel is arranged on the supporting column, the first solar panel is electrically connected with the battery module, and the battery module is electrically connected with the driving assembly; the three-dimensional cultivation frames are arranged on the rotating disc, cultivation cavities are formed in the three-dimensional cultivation frames, and cultivation holes are formed in the side faces of the three-dimensional cultivation frames; the rotating disc is rotationally arranged on the base, the driving assembly is in driving connection with the rotating disc, and capillary filling materials are arranged in the cultivation cavities and connected with the nutrient solution in the liquid storage container. The first solar panel converts solar energy into electric energy, power is supplied to the driving assembly through the battery module, the rotating disc can be driven by the driving assembly to rotate, plants on the three-dimensional cultivation frame at different positions are evenly illuminated, and the growth effect of the plants is better.

The invention relates to an LED (Light Emitting Diode) fluorescent lamp tube with a large light distribution angle. The LED fluorescent lamp tube comprises a base, a light-transmitting lampshade, a support, a circuit board and a plurality of LED lamps. The base is fixedly connected with the light-transmitting lampshade. The support is arranged on the base. The circuit board is fixedly connected to the support. The LED lamps are arranged on the front face of the circuit board. The LED lamps are covered with lenses. The circuit board is arranged in an inverted-V shape. Cooling fins are arranged on the back face of the circuit board. The LED fluorescent lamp tube is uniform in illumination, large in light distribution angle and good in cooling effect.

The invention discloses a lighting device for sheath flow optical imaging. A stroboscopic xenon lamp is selected as the light source. The light collecting lens is a single aspheric lens; the first surface part is a 600-mesh scattering surface; the second face part is an even-order aspheric surface; the numerical aperture is greater than or equal to 0.6; the light receiving angle is greater than 90degrees, the third surface part is an even-order aspheric surface; the fourth face part is a standard spherical surface, the numerical aperture is larger than or equal to 0.75, the focal length is smaller than or equal to 16 mm, and the light convergence angle is 45 degrees, so that uniform illumination of a high-speed flowing sample in the sheath flow device is achieved, imaging smear of movingparticles is reduced, the image quality is guaranteed, and the sheath flow device has the advantages of being high in adjustability, easy to operate and low in cost.

The invention discloses an exposed concrete road surface function detection device and a detection method thereof.The exposed concrete road surface function detection device is arranged on a road surface, a detection box is arranged on the road surface and is of a detachable structure, a camera shooting part is arranged on the top face of the detection box, and a plurality of first light sources are arranged at the top of the side wall of the detection box; a plurality of first light sources are arranged at the bottom of the side wall of the detection box body, a plurality of second light sources are arranged at the bottom of the side wall of the detection box body, light rays of the plurality of first light sources irradiate the center of a detected road surface, light rays of the plurality of second light sources irradiate the center of the top of the detection box body, and a light supplementing mechanism is arranged on the side wall of the detection box body. Light rays of the first light source and the second light source are reflected to the light supplementing mechanism, and a first shading mechanism is arranged outside the detection box body; road surface information is accurately collected, then all indexes of the road surface are obtained through data analysis, the performance of the new road surface is obtained through comparison and calculation, and the laying condition of the new road surface is further mastered.

The invention discloses an LED digital flat soft light lamp power source based on a surge current restriction circuit. The power source is characterized by mainly comprising a voltage stabilization chip U2, a transformer T, a diode rectifier U1, a triode VT1, a polarity capacitor C1, a polarity capacitor C2, an overvoltage overcurrent protection circuit, the surge current restriction circuit connected in series between a negative electrode output end of the diode rectifier U1 and a base electrode of the triode VT1, and an adjustable constant current driving circuit connected with the overvoltage overcurrent protection circuit. The power source is advantaged in that instant high voltage can be eliminated or inhibited, back-end electronic components and LED digital flat soft light lamps can be effectively prevented from being damaged by high voltage, voltage and current adjustment can be further realized, so the output voltage and the output current can be made to be consistent with a reference voltage and a reference current required by the LED digital flat soft light lamps, and thereby stable voltage and current output is guaranteed.