52results about How to "Solve light pollution" patented technology

The invention relates to a fixed-point reflective sunlight-tracking system and belongs to the technical field of environment protection and energy saving. A plurality of plane mirrors are laid on a support frame of the plane mirrors. A heating film is arranged at the back part of each plane mirror so that each mirror can be heated independently. The small plane mirrors are combined to form a matrix. A mechanical device, which is driven by a motor and connected with a one-chip-microcomputer controller, is arranged on each plane mirror. The small plane mirrors in each line and each row of the matrix can be adjusted upwards and downwards and left wards and rightwards independently. Positioning sensors are installed in places in which projection is needed. The device enables a place in which sunlight is unavailable for a long time to obtain sufficient sunlight irradiation in sunny days and has the characteristics of being high in reflectivity, low-carbon and environment-friendly and convenient to maintain and use. The device is applicable to occasions such as family houses, factories, office buildings and agricultural sheds and the like so that the device is an energy-saving and safe and health product.

The invention relates to a high tensile strength multicomponent mixed inclusion PVB diaphragm. The diaphragm comprises the following raw materials, by weight, 69-93 parts of the PVB, 1-10 parts of an ultraviolet light absorbent, 5-20 parts of nanometer cellulose, and 0.8-1.2 parts of a silane coupling agent. A production diaphragm of the diaphragm is characterized in that: the nanometer cellulose, the ultraviolet light absorbent and the silane coupling agent are added to the PVB according to above proportions, the raw materials are fully stirred in a tapered mixer, sent to a double screw extruder by a feeder, heated to 140-150DEG C, mixed, extruded, and subjected to extrusion tape casting by a die head to prepare the PVB diaphragm with the thickness of 0.38-0.76mm. The molecular level nanometer cellulose for the production of the diaphragm contains abundant hydroxyl groups which are reacted with nanometer TiO2 to generate titanium-based alcohol, and the titanium-based alcohol is reacted with Si-OH on the glass surface to generate firmly combined Ti-O-Si bonds, so a netted structure is finally formed, thereby the tensile strength, the plasticity and the bonding intensity with glass of the diaphragm are substantially improved.

The invention discloses a preparation method of nano TiO2 in-situ hybridization antibacterial waterproof coating treatment agent. The preparation method comprises the following steps: hydrolyzing titanate in a mixed solvent of alcohol and water to prepare nano TiO2 sol by adopting acid as a catalyst; slowly dropwise adding the prepared nano TiO2 sol into an alcohol solution of a silane coupling agent, after the nano TiO2 sol is completely added, reacting for 0.5 to 3 hours at the temperature of 60 to 80 DEG C, cooling, and obtaining the nano TiO2 hybridized antibacterial waterproof coating treatment agent. The preparation method is simple and easy, the prepared nano TiO2 hybridization antibacterial waterproof coating treatment agent is good in storage stability, transparent, free from layering, good in permeability and capable of being used as a coating treatment agent for materials such as fabrics, lumber, buildings and the like, has an anti-ultraviolet function, an anticorrosion function and excellent waterproof performance and does not influence the color and quality of the material.

A preparing process of an antifouling soft-light marble tile is disclosed and belongs to the technical field of tile preparation. The process is characterized in that the process includes steps of 1) preparing a green body, 2) applying ground coat, 3) performing ink-jet printing of marble pattern overglaze, 4) firing and 5) soft polishing; a green body material used in the green body preparing step includes, by weight, 30-35 parts of feldspar, 3-5 parts of crystal frit, 10-15 parts of pyrophyllite, 25-35 parts of white clay and 15-20 parts of high-aluminum rock; and a glaze material used in the overglaze includes, by weight, 25-30 parts of feldspar, 15-20 parts of crystal frit, 3-5 parts of corundum, 7-10 parts of kaolin, 8-10 parts of zinc oxide, 8-11 parts of wollastonite, 1-3 parts of barium oxide and 10-15 parts of quartz. The simulation degree between the tile and natural marble in the aspects of visual inspection and touch senses is high. The fouling resistance, wear resistance, coloring effects, crack resistance, and the like of the tile are superior to those of the natural marble.

The invention discloses a high-efficiency energy-saving double-light-source light supplement system, and the system comprises a heat dissipation housing, a gas light-emitting tube, and a front lens. The front opening of the heat dissipation housing extends outwards to form a boss. An LED lamp bead with a focusing lens is installed on the boss, and the front opening of the boss of the heat dissipation housing is provided with the front lens. The gas light-emitting tube is installed in the heat dissipation housing, and the exterior of the gas light-emitting tube is surrounded by a light spot shaping cover. The gas light-emitting tube and the light spot shaping cover are fixed on a circuit board, and the circuit board is provided with a control circuit. The system solves a light pollution problem of scattered light, meets the technical requirements of precise light supplement, increases the light utilization rate, and improves the energy-saving efficiency. The system effectively solves a problem of overexposure of a license plate and a problem that a camera cannot easily recognize the license plate.

The invention relates to an anti-fouling soft light overglaze of a marble tile and belongs to the technical field of tile preparation. The overglaze is characterized by comprising the following ingredients in parts by weight: 25-30 parts of feldspar, 15-20 parts of sparkling clinker, 3-5 parts of corundum, 7-10 parts of kaoline, 8-10 parts of zinc oxide, 8-11 parts of wollastonite, 1-3 parts of barium oxide and 10-15 parts of quartz. The glaze has high rigidity and presents a soft light effect naturally after firing; the surface roughness of the glaze is also like a touch sense of natural marble; and the fired glaze naturally presents the soft light effect and the touch sense of the marble, presents a highly simulated vision and a touch sense of the polished marble after soft polishing and shows better pollution emission performance.

The invention relates to an intelligent traffic LED (Light-Emitting Diode) flash lamp and a circuit thereof, aiming to solve the problems that the existing flash lamp causes potential safety hazards to drivers owing to having certain light pollution and that the illumination range of the existing flash lamp has certain limitations. The intelligent traffic LED flash lamp is characterized in that: heat-conducting silicone grease is applied between an aluminum substrate and an LED lamp; the heat-conducting silicone grease is also applied between the aluminum substrate and a lampshade; a radiating fin is formed on the rear portion of the lampshade; a heat-dissipation cavity is formed in the lampshade on the lower portion of the aluminum substrate; a power cord and a respirator are arranged within the heat-dissipation cavity; and symmetrical vent holes are formed on the cavity walls on both sides of the heat-dissipation cavity. The intelligent traffic LED flash lamp effectively solves the problem of light pollution by employing the technology from faint light or medium light to instantaneous shining. The flash lamp is provided with the structure having the external radiating fin and the internal respirator, so that the heat dissipation performance is effectively improved and the illumination range is wide.

The invention discloses a photovoltaic panel array capable of realizing wind power generation. The photovoltaic panel array comprises a flat panel and a generator, wherein a plurality of sliding rails which form into a polygonal shape in a surrounding manner are arranged on the upper panel surface of the flat panel; sliding blocks are arranged in the respective sliding rails; a first photovoltaic panel is arranged on each sliding block; one edges of the first photovoltaic panels are hinged on the corresponding sliding blocks in a way of parallel to the sliding rails so as to control the positions of the first photovoltaic panels; the panel surface of each first photovoltaic panel is connected with the corresponding sliding block through a telescopic rod which is telescopic in a vertical plane so as to control the elevation of the first photovoltaic panel; a rotor of the generator is connected with the lower panel surface of the flat panel; and the rotor and the first photovoltaic panels are driven by wind together. The photovoltaic panel array capable of realizing wind power generation provided by the invention can realize power generation by light power in a sufficient sunlight condition, as well as can realize power generation by wind power in cloudy and rainy and high-wind days, so that diversified energy utilization, and more energy-saving and environment protection effects are achieved.

The invention discloses a dehumidifier capable of increasing dehumidifying efficiency. The dehumidifier comprises a body provided with a first air inlet and an air outlet. A first dehumidifying flow path sequentially passing a condensing heat exchanger and a dehumidifying wheel is formed between the first air inlet and the air outlet. The body is further provided with a second air inlet. A second dehumidifying flow path passing the dehumidifying wheel is formed between the second air inlet and the air outlet. The dehumidifier has the advantages that the second dehumidifying flow path is formed in the dehumidifier on the basis of the conventional first dehumidifying flow path, the indoor air of the second dehumidifying flow path does not pass the condensing heat exchanger and directly passes the dehumidifying wheel, air quantity compensation to the first dehumidifying flow path is achieved to prevent air insufficiency at the first air inlet, the temperature of the second dehumidifying flow path after humidification is lower than the temperature of the first dehumidifying flow path due to the fact that the indoor air of the second dehumidifying flow path does not exchange heat with regenerated air, the air temperature at the air outlet can be lowered relatively during discharging, indoor temperature rising is avoided, and dehumidifying efficiency is increased.

The invention discloses an electrochromic glass dimming window assembly. The electrochromic glass dimming window assembly includes electrochromic glass, the electrochromic glass comprises first tempered glass, a first transparent conducting layer arranged on the first toughened glass, a first tungsten trioxide electrochromic layer arranged on the first transparent conducting layer, an electrolytelayer arranged on the first tungsten trioxide electrochromic layer, a second tungsten trioxide electrochromic layer arranged on the electrolyte layer, a second transparent conducting layer arranged onthe second tungsten trioxide electrochromic layer, and a second tempered glass layer arranged on the second transparent conducting layer. By adoption of the structure, light and temperature can be adjusted according to the magnitude of current, so that indoor light is soft, comfortable and pleasant, and the light-transmitting effect is not lost; a large amount of energy which has to be consumed when buildings like office buildings and residential buildings keep cool in summer and keep warm in winter is reduced, meanwhile, the purposes of improving the natural illumination degree and preventing peeping are achieved, and the problem of urban light pollution which is worsened constantly in modern times is solved.

The invention provides a low-position lamp and application thereof in roadway illumination. The low-position lamp is suitable for being installed on the two sides of a roadway and is used for night illumination, the color temperature of the low-position lamp ranges from 3,000 K to 4,000 K, the color rendering index of the low-position lamp is larger than or equal to 70, and the luminance of the low-position lamp is larger than or equal to 0.5 cd / m<2>; when the low-position lamp is installed on the two sides of the roadway, the vertical height of the low-position lamp from the ground ranges from 0.6 m to 1.2 m. When the low-position lamp is installed on guard bars arranged on the two sides of the roadway, illumination is uniform, no glaring or flickering is generated, the illumination light effect is high, the life is long, a driver achieves the high driving comfort under irradiation of the light source, visual cognition is quick and accurate, and the safety is high.

The invention relates to a louver-type photovoltaic integrated power generation device with low light pollution for buildings. The power generation device comprises a frame and a plurality of power generation units, wherein the power generation unit comprises a battery panel assembly and a reflector assembly which are positioned on the frame through respective rotating shafts thereof; through adjusting the included angle between the battery panel assembly and the reflector assembly, as well as the included angle between the battery panel assembly and the reflector assembly and the plane where the frame is located, the power generation units can use the directly incident and reflected sun lights to generate power, and can reflect the sun lights along the incident direction of the sun lights. The louver-type photovoltaic integrated power generation device disclosed by the invention integrates power generation, light penetration, ventilation, decoration and light pollution prevention, and is a breakthrough building external wall structure and a solar power generation device.

The invention discloses a glass curtain wall, which is formed by overlapping a plurality of metamaterial sheet layers, wherein each metamaterial sheet layer comprises a substrate and artificial metal micro-structures which are periodically arrayed on the substrate; the glass curtain wall has equal relative dielectric constant and relative permeability when being passed by visible light; and the visible light passes through the glass curtain wall in a no-reflection and no-loss manner. The glass curtain wall is prepared by using a metamaterial principle to get rid of various defects caused by self physical properties of the conventional glass curtain wall, such as serious reflection phenomenon, bad transmission phenomenon and the like. According to the glass curtain wall, the artificial metal micro-structures are periodically arrayed on the substrate so that the visible light can completely pass through the glass curtain wall and is not reflected; and therefore, the light pollution problem of the conventional glass curtain wall is avoided.

The present invention discloses an intelligent identification control manager in the technical field of artificial intelligence. The intelligent identification control manager comprises terminal equipment, a cloud service system and an APP platform. The terminal equipment comprises a brightness adjustment module, a detection module and identification manager gateway equipment. The cloud service system comprises an equipment management module, a management center, a cloud data center and a data analysis module. The equipment management module is also connected with the cloud data center. The management center is connected to the data analysis module. The data analysis module automatically generates an energy consumption analysis report and a resource advisory report. The APP platform is internally provided with APP platform service which is connected to the cloud data center. The intelligent identification control manager is dependent on a cloud end large data system and environment information, the intelligent energy saving can be realized through adjusting identification brightness, the intelligent identification control manager is connected to a smart city management system through a cloud end system, and a decision-making basis is provided for urban managers.

The invention discloses an environment-friendly wireless router, which comprises a wireless router main body (1) and a support frame, wherein the support frame comprises a base (2) and a sleeve body (3), the wireless router main body (1) penetrates through the sleeve body (3), the sleeve body (3) is hinged onto the base (2) through a rotating shaft (4), a cable passage (8) is arranged inside the base (2), a work state indicating lamp (10) is arranged on the wireless router main body (1), and a baffle strip (12) is arranged on the sleeve body (3) positioned outside the work state indicating lamp (10). The environment-friendly wireless router has the beneficial effects that cables are well hidden, and the appearance is attractive; the problem of light pollution caused by the work state indicating lamp is effectively solved, the convenient and fast use of the router can be ensured, and the influence of the work state indicating lamp on special environment can also be avoided.

The invention discloses a preparation method of soft glow marble. The method comprises the following steps: 1, selecting raw materials and mixing the selected raw materials; 2, carrying out ball-milling on the raw materials until the fineness is 1.0-1.3%; 3, putting slurry into a slurry tank for homogenizing; 4, carrying out dry granulation on the slurry; 5, molding by pressing; 6, drying a raw green brick; 7, carrying out glaze spraying treatment on the dried green brick; 8, carrying out ink jet printing on the surface of the green brick; 9, carrying out glaze polishing treatment; 10, firing; 11, polishing and grinding to obtain the soft glow marble. The marble prepared by the method has the texture of natural marble, reduces the reflective rate of a product and can form a 55-degree gloss effect which is the same as that of the natural marble, thus achieving comfortable visual perception for a human body and a space decoration effect without light pollution.

The invention discloses a perforated aluminum plate curtain wall of an external wall, relating to the technical field of building energy saving. The perforated aluminum plate curtain wall of the external wall comprises a keel, a glass curtain wall, a main beam, a steel framework and a perforated aluminum plate curtain wall body, wherein the outer side of the glass curtain wall is provided with the perforated aluminum plate curtain wall body; the glass curtain wall is arranged on the keel; the perforated aluminum plate curtain wall body is arranged on the steel framework; the perforated aluminum plate curtain wall body is formed by splicing a plurality of perforated aluminum plates; and the keel is connected with the steel framework through the main beam. The perforated aluminum plate curtain wall of the external wall not only has favorable sun shading and decorating functions, but also solves the problem of light pollution caused by the glass curtain wall and achieves the energy-saving and environment-friendly effects, and the construction method is suitable for installation and construction of the perforated aluminum plate curtain wall of the external wall and is particularly suitable for the construction of double-layer curtain wall constructional engineering with a high energy-saving requirement and a patterned perforated aluminum plate curtain wall.

The invention relates to a fixed-point reflective sun tracking system, and belongs to the technical field of environmental protection and energy conservation. The fixed-point reflective sun tracking system comprises a plane mirror matrix composed of a plurality of plane mirrors, and the back of each plane mirror is provided with a heating film capable of heating the corresponding plane mirror independently. The plane mirror matrix is connected with a driving device, and the driving device is connected with a controller. The controller enables all the plane mirrors in the plane mirror matrix to move horizontally in the same plane through the driving device so as to enable the plane mirror matrix to form any plane figure according to the area required to receive irradiation of sunlight. The fixed-point reflective sun tracking system further comprises a sensor enabling the fixed-point reflective sun tracking system to follow the sun. The system enables a place which cannot receive sunlight for a long time to be irradiated by sufficient sunlight on fine days. The fixed-point reflective sun tracking system has the advantages of being high in sunlight reflectivity, low in carbon, environmentally friendly, convenient to maintain and use and suitable for being used in ordinary families, and integrates environmental protection, safety and health.

The invention discloses a La<3+>-doped TiO2 electrochromic thin film and a preparation method thereof. The thin film is prepared from anhydrous ethanol, tetrabutyl titanate, acetic acid, deionized water, nitric acid and La2O3 as raw materials. The TiO2 thin film is doped with the La<3+>. ITO glass with the La<3+>-doped TiO2 electrochromic thin film is 70-80% in transmittance within a visible light range, and has the performance of reversible color change between coloring and discoloring under the external pressure of + / - 2V.

The invention discloses a vehicle-mounted screen control system and a vehicle-mounted screen control method. The vehicle-mounted screen control system comprises a camera module, a display screen and a control module, wherein the camera module is electrically connected with the control module and used for collecting head images of passengers in the back row of a vehicle; the display screen is arranged on the back face of a front row seat of the vehicle and is electrically connected with the control module; and the control module is used for determining the head state of the passenger according to the collected head image and controlling the display screen to be turned on or turned off according to the head state, and the head state comprises a state that the passenger watches the display screen or a state that the passenger does not watch the display screen.

The invention discloses a fabric texture matt glaze, a matt frit, a ceramic tile, application and a preparation method; the matt frit is correspondingly used in the fabric texture matt glaze and the ceramic tile and comprises the following raw materials: ultra-white potassium feldspar, ultra-white albite, ultra-white kaolin powder, quartz powder, aluminum oxide, calcite, calcined talc, barium carbonate, zinc oxide, zircon sand, calcium fluoride and boric acid. The fabric texture matt glaze uses the matt frit according to the formula comprising the ultra-white albite, ultra-white potassium feldspar, ultra-white kaolin, quartz powder, calcined kaolin, aluminum oxide, calcite, calcined talc, barium carbonate, calcined zinc oxide, calcium fluoride and calcium phosphate. The preparation method is used for correspondingly preparing the matt glaze with the fabric texture and the matt frit. According to the scheme, the matte frit of the matt glaze with the fabric texture can separate out low-gloss crystals with diffuse reflection, so that the tile surface has low light and the fabric texture, and the problem of light pollution caused by over-high gloss of a tile body in the prior art is solved.

The invention discloses a light pollution prevention precise focusing stroboscope lamp, and the stroboscope lamp comprises protection glass, LED lamp beads, an aluminium substrate, a thermal conduction plate, a circuit board assembly with a control circuit, and a heat dissipation housing. The LED lamp beads are welded on the aluminium substrate in an array manner, and the aluminium substrate is connected with the thermal conduction plate through a fixing screw. The thermal conduction plate and the heat dissipation housing are connected with each other. Each LED lamp bead is provided with a focusing support, and a Fresnel lens is installed at the front end of the focusing support. The circuit board assembly is installed in the heat dissipation hosing. The stroboscope lamp is precise in focusing, is good in heat dissipation, and has a function of outputting strip-shaped light spots with the front and back areas being increased and a function of intelligent control.

The invention relates to the technical field of intelligent switch control, in particular to a device for equipment control through short-term power-off and a use method of the device. A main circuitpower supply of the device is connected with a control switch module through a circuit. The control switch module is connected with a voltage applying module and a DC5V voltage-stabilizing power supply module through a circuit. The voltage applying module and the DC5V voltage-stabilizing power supply module are connected with an MCU. The MCU is connected with a communication module and a relay control module. The control switch module is connected with a relay through a cable. The device and method have the advantages that the process of upgrading a traditional control scene to an intelligentcontrol scene is simplified and quickened and facilitated, a special control switch is a mechanical switch, the switch internal resistance is small, the control switch is small in size, the device andconstruction cost for intelligent control transforming is greatly reduced, and the device can be suitable for all types of lamps on the market when applied to the illumination control scene.

The invention discloses a photovoltaic panel array capable of realizing wind power generation. The photovoltaic panel array comprises a flat panel and a generator, wherein a plurality of sliding rails which form into a polygonal shape in a surrounding manner are arranged on the upper panel surface of the flat panel; sliding blocks are arranged in the respective sliding rails; a first photovoltaic panel is arranged on each sliding block; one edges of the first photovoltaic panels are hinged on the corresponding sliding blocks in a way of parallel to the sliding rails so as to control the positions of the first photovoltaic panels; the panel surface of each first photovoltaic panel is connected with the corresponding sliding block through a telescopic rod which is telescopic in a vertical plane so as to control the elevation of the first photovoltaic panel; a rotor of the generator is connected with the lower panel surface of the flat panel; and the rotor and the first photovoltaic panels are driven by wind together. The photovoltaic panel array capable of realizing wind power generation provided by the invention can realize power generation by light power in a sufficient sunlight condition, as well as can realize power generation by wind power in cloudy and rainy and high-wind days, so that diversified energy utilization, and more energy-saving and environment protection effects are achieved.

The invention discloses an energy recovery device of a drawing furnace. The energy recovery device comprises a photovoltaic back plate, a charging and discharging controller, a storage battery set, an inverter and an alternating-current distribution cabinet. The photovoltaic back plate is adopted to absorb light and convert the light into electric energy, and therefore light pollution in the production process of a workshop is avoided, the light energy is converted into the electric energy, and energy recovery and conversion are achieved. According to the energy recovery device, the photovoltaic back plate is connected to a cart, the mobility of the device is improved, it is convenient to move away the photovoltaic back plate in the process of replacing a perform, influence to operation is avoided, and the distance between the photovoltaic back plate and the drawing furnace can be adjusted through the cart; the cart is connected with the photovoltaic back plate through a hydraulic lever, the trouble of manual operation is saved, and the angle between the photovoltaic back plate and the drawing furnace can be adjusted better; the photovoltaic back plate can be directly cooled by process cooling water of the drawing furnace, so that cost is saved, or an external cooling system can be adopted additionally and low-temperature refrigerants are used, so that the cooling effect is improved.

The invention discloses a guardrail anti-collision device with overspeed warning and lighting, which includes: a host computer and several lower computers; the host computer includes: an upper-level microprocessor, and an upper-level lighting module respectively connected with the upper-level microprocessor, Upper-level power supply module, upper-level speed measurement module, upper-level communication module and upper-level optical sensor; the lower computer includes: a secondary microprocessor, and a secondary lighting module, a secondary power supply module, and a secondary A communication module and a secondary optical sensor; the upper communication module of the upper computer is wirelessly connected with the secondary communication module of the lower computer, and the secondary communication modules of the lower computer are connected wirelessly. The present invention can not only solve the lighting problem of the curve, but also solve the problem of light pollution on the road surface of the viaduct; the present invention has an overspeed warning function, prompting the driver to reduce the speed to pass safely; car accident.

The invention discloses a nano-metal thermal insulation film with low light reflectance and low light transmittance and a preparation method thereof. The pretreated base film, nickel-chromium layer, installation adhesive layer and release film, the visible light transmittance of the nickel-chromium layer is 30% to 60%, and the UV-curable coating includes nano-inorganic pigment slurry, UV-curable resin, photosensitive agent, leveling agent and solvent, the nano-inorganic pigment slurry at least includes carbon black slurry and silicon nitride titanium slurry, and the installation glue layer is formed by coating the installation glue coating, and the installation glue coating includes carbon black slurry, ultraviolet absorber , pressure sensitive adhesives and solvents. In the present invention, the nano-carbon black and nano-silicon-titanium nitride in the anti-scratch layer, the nickel-chromium layer and the nano-carbon black in the installation glue layer jointly realize the heat-insulating film with low visible light transmittance, which not only ensures the weather resistance of the heat-insulating film Stability, and completely solve the light pollution problem of the low-transmittance metal film, that is, the internal and external reflectance of the heat-insulating film is less than 10%.

The invention discloses a preparation method of nano TiO2 in-situ hybridization antibacterial waterproof coating treatment agent. The preparation method comprises the following steps: hydrolyzing titanate in a mixed solvent of alcohol and water to prepare nano TiO2 sol by adopting acid as a catalyst; slowly dropwise adding the prepared nano TiO2 sol into an alcohol solution of a silane coupling agent, after the nano TiO2 sol is completely added, reacting for 0.5 to 3 hours at the temperature of 60 to 80 DEG C, cooling, and obtaining the nano TiO2 hybridized antibacterial waterproof coating treatment agent. The preparation method is simple and easy, the prepared nano TiO2 hybridization antibacterial waterproof coating treatment agent is good in storage stability, transparent, free from layering, good in permeability and capable of being used as a coating treatment agent for materials such as fabrics, lumber, buildings and the like, has an anti-ultraviolet function, an anticorrosion function and excellent waterproof performance and does not influence the color and quality of the material.

The invention belongs to the technical field of finished product detection, and particularly relates to a digital television cathode ray tube screen display dead pixel detection method, which comprises a detection table and a display screen body, a protection hood is assembled on the upper surface of the detection table, and an automatic locking device is fixedly arranged on the outer wall of one side of the protection hood. A light-emitting assembly is arranged at the position, located in the movable shell, of one side of the upper surface of the detection table, an outer screen dead pixel detection assembly is fixedly arranged at the position, located in the movable shell, of the other side of the upper surface of the detection table, and a laser assembly is fixedly installed at one side of the top end in the fixed shell; and a dead pixel detection system is fixedly arranged in the control host. The method can be suitable for display screen bodies of different sizes, the positions of the pixel dead pixels can be stored, the other method for detecting the display screen dead pixels is further provided, the functions of equipment are increased, the detection area is comprehensive, the positions of outer screen black spots can be directly confirmed, the detection efficiency is high, the speed is high, and full intelligence is achieved.