1790 results about "Glass material" patented technology

The invention discloses a collision identification method and system for a window cleaning robot, and relates to the technical field of robot environment perception, and the method comprises the steps: carrying out the time difference compensation and space synchronization based on a glass material type and collision detection parameters through a distributed perception collaborative analysis method, and generating a three-dimensional space vibration information matrix; enhancing the three-dimensional space vibration information matrix through a dynamic wavelet packet decomposition algorithm and a sliding window analysis method according to the type of a glass material; according to the enhanced three-dimensional space vibration information matrix, collision coordinates are calculated through a time difference positioning algorithm, the characteristic frequency of the vibration waveform is analyzed, and collision characteristic information is obtained; based on the collision feature information, combining safety parameters of glass material types, adopting a hybrid decision algorithm to analyze the collision feature information, and generating and executing a robot obstacle avoidance instruction; according to the method, the high-resolution three-dimensional vibration field is constructed through space-time collaborative modeling, and the collision coordinate calculation precision and the anti-interference capability are improved.

The invention relates to the technical field of data processing and three-dimensional model construction, in particular to an intelligent three-dimensional model design method and system based on small-opening press-blow molding equipment. The method comprises the following steps that an intelligent sensor is used for collecting parameters of small-opening press-blow forming equipment, and initial equipment parameter information is recorded; according to the initial equipment parameter information, establishing an equipment three-dimensional initial model by using computer aided design software; and acquiring characteristic data of the glass material drops, inputting the characteristic data of the glass material drops into the three-dimensional initial model of the equipment, simulating a press-blow molding process by utilizing simulation software, and carrying out influence evaluation on the simulated press-blow molding process to obtain a molding process evaluation result. Through a data processing technology, a three-dimensional modeling technology and an automatic control technology, various parameters of the small-opening press-blow molding equipment are associated and evaluated, and an intelligent three-dimensional model of the equipment is constructed; and the accuracy of control operation of the forming equipment is improved, so that the produced glass containers are kept consistent in specification.

The utility model relates to a low total length 8M foresight optical lens, which is characterized in that an optical system of the lens is composed of a first lens, a second lens, a third lens, a fourth lens, a diaphragm, a fifth lens, a sixth lens and a seventh lens which are sequentially arranged from left to right along a light incident light path. The lenses are made of plastic and glass materials, the first lens, the second lens, the fourth lens, the fifth lens and the sixth lens are glass spherical lenses, the third lens and the seventh lens are plastic aspheric lenses, and the fifth lens and the sixth lens form a balsaming lens group. By reasonably distributing the focal power and the surface type of each lens, the central thickness of each lens, the distance between the lenses on the optical axis and the like, the total length of the lens and the radial size of each lens are reduced while the requirements of a front-view wide-angle camera and a front-view narrow-angle camera are replaced by the low-total-length 8M ultra-wide-angle imaging performance of the lens; and the lens group is miniaturized.

The invention belongs to the technical field of glass processing, particularly relates to an intelligent suspension conveying system and method for an explosion-proof glass production line, and aims to solve the problems that an anti-falling mechanism is not triggered in time due to the fact that a falling symptom cannot be effectively recognized, and a traditional anti-falling mechanism has adaptive defects and generates potential safety hazards. Two fixing plates are arranged on the system support, and driving shafts are arranged on the two fixing plates. And the two driving motors are arranged on the two fixing plates correspondingly. The intelligent suspension conveying system and method for the explosion-proof glass production line have the effect of improving the suspension conveying safety, the device can recognize and monitor falling signs during operation, the anti-falling mechanism is triggered in advance when the signs appear, and therefore the situation that the device is not triggered in time when falling occurs is avoided, potential safety hazards are reduced, and the safety of the device is improved. And meanwhile, the anti-falling mechanism makes up for the adaptive defect of glass materials, and potential safety hazards are further reduced.

The utility model relates to a foresight ultra-wide-angle binocular camera. An optical system of the camera is composed of a first lens, a second lens, a third lens, a diaphragm, a fourth lens, a fifth lens and a sixth lens which are sequentially arranged from left to right along a light incident light path. Under the condition that retroflexion caused by aspheric coefficients is not considered, the first lens is a meniscus concave negative lens, the second lens is a meniscus concave positive lens, the third lens is a meniscus convex positive lens, the fourth lens is a biconvex positive lens, the fifth lens is a meniscus concave negative lens, the sixth lens is a meniscus convex positive lens, and all the lenses are made of glass materials. Wherein the first lens and the sixth lens are glass aspheric lenses, and the fourth lens and the fifth lens form a balsaming lens group. While the wide-angle 120-degree clear imaging is realized, the wide-angle 120-degree wide-angle imaging lens has a relatively small appearance size and relatively high environmental stability.

The embodiment of the invention provides a manufacturing method of a glass through hole, which is used for solving the technical problem that a glass through hole with an ultrahigh depth-diameter ratio cannot be manufactured according to a pre-designed scheme in an existing manufacturing method of the glass through hole. According to the manufacturing method of the glass through hole, before laser-induced modification, exposed prefabricated through hole graphical areas are formed on the front face and the back face of a glass substrate through the micron-order photoresist mask technology, and meanwhile a photoresist layer with the thickness not smaller than 5 micrometers is formed on the surface, outside the prefabricated through hole graphical areas, of the glass substrate. In the laser-induced modification stage, laser with higher irradiation power can be used for deeply modifying the glass material in the prefabricated through hole patterned area to form a prefabricated through hole modified area. In the chemical etching stage, the surface of the glass substrate outside the prefabricated through hole modified area is covered with the anti-corrosion photoresist layer, and etching liquid only acts on the prefabricated through hole modified area, so that the phenomenon that the thickness of the glass substrate is reduced in the etching process is effectively prevented.

A glass material with low refractive index and radiation resistance, method for preparing the same, and applications thereof. The glass material consists of the following components by mole percent: 60-80% SiO2, 2-10% B2O3, 0.1-1% CeO2, 5-10% Na2O, 2-10% K2O, 1-8% Al2O3, 0-2% CaF2, 0-1% As2O3, and 1-5% alkaline earth metal oxides, wherein the alkaline earth metal oxides are selected from at least one of BaO, SrO, CaO, and MgO. The glass material has a refractive index of ≤1.47, a glass transition temperature of ≤550° C., a yield point temperature of 645° C., a softening point temperature of ≤748° C., and a coefficient of thermal expansion of (82-87)×10−7 / ° C. After exposure to a 4700 Gy dose of X-ray radiation, the transmittance decreases by ≤2%. The glass material can be used as cladding glass material for the preparation of optical glass fibers and fiber panels, capable of meeting the requirements for radiation environment applications.

The invention discloses a square battery case airtightness detection device and method.The square battery case airtightness detection device comprises a workbench, a detection table arranged on the workbench, an air inlet assembly and a longitudinal contraction mechanism, the detection table comprises a base, a synchronous moving mechanism and two sealing covers, the base is located above the workbench, and the synchronous moving mechanism is located above the workbench; the base and the two sealing covers are all made of glass materials, a battery shell is suitable for being placed in the base, and the synchronous moving mechanism is connected with the two sealing covers and the base so as to be suitable for driving the two sealing covers to move oppositely to be in butt joint and wrap the battery shell; a cavity is formed among the battery shell, the sealing covers and the base, a square air inlet cavity is formed after the two sealing covers are in butt joint, the square air inlet cavity is communicated with an opening of the battery shell, steam is introduced into the battery shell after the battery shell is covered with a glass material, and the steam is sprayed on glass through an air leakage point to form a mist point so that accurate positioning can be achieved.

A high-strength, highly transparent nanocrystalline glass, a preparation method therefor, and a use thereof. The high-strength, highly transparent nanocrystalline glass uses precursor minerals mainly comprising synthetic aluminum-rich feldspar-like ceramic glass material, β-spodumene material, cordierite material, synthetic β-dicalcium silicate material, and magnesium aluminum spinel material for the main body of a feldspar-like matrix glass having a stable structure. Ultrafine zirconia powder having a particle size of less than 10 nm is used as a nucleating agent and microcrack damping and pinning agent, to control the formation of nanocrystals smaller than 100 nm in the glass body formed after melting. The volume percentage content of the nanocrystals is 50%-95%, and the nanocrystals together with the matrix glass form a high-strength, highly transparent nanocrystalline glass having a uniform microstructure. The obtained nanocrystalline glass has high hardness, high fracture toughness and high light transmittance, and is suitable for manufacturing various types of optical glass.

The invention belongs to the field of conductive paste preparation, and particularly discloses conductive paste containing ruthenium oxide and a preparation method of the conductive paste. The conductive paste is prepared from the following components in percentage by mass: 40 percent to 50 percent of ruthenium oxide, 3.8 percent to 5 percent of carbon nano tubes, 5 percent to 10 percent of PbO-B2O3-SiO2, 3 percent to 8 percent of ethyl cellulose, 21 percent to 28 percent of terpilenol, 9 percent to 12 percent of butyl carbitol, 0.7 percent to 1 percent of ammonium polyacrylate and 1 percent to 2 percent of dibutyl phthalate. According to the preparation method, ruthenium oxide is activated in vacuum, a mixed solvent is combined after dispersion, and a ball milling and ultrasonic dispersion synergistic process is adopted, so that the slurry is uniformly dispersed and has excellent stability. According to the invention, a ruthenium oxide-carbon nanotube-frit ternary synergistic system is constructed, and terpilenol and butyl carbitol in a specific mass ratio are taken as a mixed solvent, so that the problems of insufficient conductivity and easy agglomeration of traditional paste are effectively solved, and the method can be widely applied to manufacturing of high-precision electronic devices.

The invention discloses a medical glass bottle cracking detection system, and relates to the technical field of defect detection, the medical glass bottle cracking detection system comprises a data analysis module, a depth measurement module and a cracking detection module, the data analysis module is electrically connected with the depth measurement module and the cracking detection module, and the data analysis module is electrically connected with the depth measurement module. The data analysis module is used for storing, counting, analyzing and calculating data of crack depth thickness measurement, the depth measurement module is used for detecting the crack depth by using an attenuation phenomenon after light enters a glass material, and the crack detection module is used for performing crack detection on a cap. The opening cracking detection module comprises a translation mechanism, an industrial camera, a detection platform, an opening surface cutting module, a training module and a comparison reasoning module, the translation mechanism is mechanically connected with the detection platform, the translation mechanism is used for driving the whole tray containing the bottle to move, and the industrial camera is used for shooting the bottle opening. The method has the characteristic of high efficiency.

An image capturing lens system includes a first lens having negative refractive power, a second lens having positive refractive power, a third lens having negative refractive power, a fourth lens having positive refractive power, a fifth lens having refractive power, a sixth lens having refractive power, a seventh lens having positive refractive power, and an eighth lens having refractive power. The first to eighth lenses are sequentially disposed from an object side. The first lens and the fourth lens are formed of a glass material. The second lens, the third lens, the fifth lens, the sixth lens, the seventh lens, and the eighth lens are formed of a plastic material.

The utility model relates to an ultra wide angle pick-up lens suitable for a vehicle-mounted OMS system, an optical system of the lens is composed of a first lens, a second lens, a third lens, a fourth lens, a diaphragm, a fifth lens, a sixth lens and a seventh lens, the first lens is a meniscus concave negative lens, the second lens is a meniscus concave negative lens, the third lens is a meniscus convex positive lens, the fourth lens is a meniscus convex positive lens, and the seventh lens is a meniscus convex positive lens. The fourth lens is a meniscus concave negative lens, the fifth lens is a biconvex positive lens, the sixth lens is a biconcave negative lens, the seventh lens is a biconvex positive lens, the sixth lens and the seventh lens form a cemented lens group, the first lens and the fifth lens are made of glass materials, and the second lens, the third lens, the fourth lens, the sixth lens and the seventh lens are plastic aspheric lenses. By reasonably distributing the focal power and the surface type of each lens, the central thickness of each lens, the axial distance between the lenses and the like, the field angle of the lens is enlarged while the imaging performance requirement of the lens is met, so that the low-cost ultra-wide-angle camera lens suitable for a vehicle-mounted OMS system is realized.

The invention belongs to the technical field of glass materials, and discloses thermal shock resistant transparent high borosilicate glass which comprises the following components in percentage by weight: 60-70% of silicon dioxide, 18-22% of diboron trioxide, 4-7% of aluminum oxide, 3-5% of magnesium oxide, 2-4% of alkali metal oxide, 0.5-1.5% of nano silicon nitride and 0.5-1% of nano aluminum titanate. The thermal shock temperature difference of the glass within the temperature change range of 20-200 DEG C is larger than or equal to 180 DEG C, the light transmittance within the visible light range of 400-760 nm is larger than or equal to 85%, the alkali metal oxide is composed of sodium oxide and potassium oxide, the weight ratio of the sodium oxide to the potassium oxide is 1: 1-3: 1, the average particle size of the nanometer silicon nitride is smaller than or equal to 100 nm, and the nanometer silicon nitride is evenly dispersed in the glass matrix; according to the thermal-shock-resistant transparent high borosilicate glass and the preparation method thereof, the thermal shock resistance and light transmittance of the glass are improved by optimizing the chemical components of the glass and adding the special nanoparticles in cooperation with a specific preparation process, and the thermal shock resistance of the glass is improved. The problems that existing high borosilicate glass is insufficient in thermal shock resistance and low in light transmittance in a high-temperature environment are solved.

The invention discloses a compact waveguide collimation system and application thereof. The compact waveguide collimation system sequentially comprises a first lens group, a diaphragm, a second lens group, a prism equivalent lens, a window protection sheet and an image plane position along an optical axis. The first lens group is combined with the bonding lens through the double-layer positive-focal-power meniscus lens, so that aberration and chromatic aberration are effectively corrected; and the second lens group adopts a negative-focal-power biconcave lens for beam expansion and is combined with a symmetrical-structure lens, so that the aberration correction difficulty is reduced. The system completely adopts spherical mirrors and glass materials, realizes the characteristics of high collimation, high relative illumination, low distortion, compact structure and low cost by optimizing the focal power, the surface type and the relative position, and is suitable for an optical waveguide display system.

The utility model discloses a profiling device for optical lens processing, which comprises a mould unit, a feeding unit and a driving unit, the mould unit comprises a lower mould assembly and an upper mould assembly which is arranged right above the lower mould assembly and can move up and down; the feeding unit comprises a stock bin used for containing a plurality of glass material blocks, a material separating assembly communicated with the stock bin and used for separating single glass material blocks from the multiple glass material blocks, and a feeding assembly communicated with the material separating assembly and used for conveying the single glass material blocks to the lower die assembly. The driving unit is connected with the lower die assembly. The automatic feeding and discharging device has the advantages that automatic feeding and automatic discharging processes can be achieved, when an optical lens is pressed, glass blocks do not need to be manually placed in a mold, then the formed optical lens does not need to be manually taken out, labor cost is reduced, time consumed for feeding and discharging can be reduced during large-scale machining, and efficiency is improved.

The invention provides an interposer and a preparation method thereof, and a photoelectric co-packaging structure, and the interposer comprises a substrate which comprises a glass substrate or a quartz substrate; the functional layer is arranged on the substrate, the refractive index of the functional layer is higher than that of the substrate, and the optical structure arranged on the functional layer at least comprises a micro-nano optical structure. The interposer realizes integration of an optical structure through the preset functional layer, and solves the problems of difficult micro-nano processing, difficult alignment, low integration level and the like of a glass material.

The utility model relates to a high-brightness low-cost DMD welcome lamp lens. An optical system of the lens is composed of a first lens, a second lens, a third lens, a diaphragm, a fourth lens and a fifth lens which are sequentially arranged from left to right along a light incident light path. The lenses are made of plastic and glass materials, the first lens, the second lens, the third lens and the fourth lens are plastic aspheric lenses, and the fifth lens is a glass spherical lens. By reasonably distributing the focal power and the surface type of each lens, the central thickness of each lens, the axial distance between the lenses and the like, the imaging performance requirement of the lens is met, the total length of the lens and the radial size of each lens are reduced, and the miniaturization of the lens group is realized.

The utility model relates to a six-piece type side rear-view camera. An optical system of the camera is composed of a first lens, a second lens, a diaphragm, a third lens, a fourth lens, a fifth lens and a sixth lens which are sequentially arranged from left to right along a light incident light path. Under the condition that retroflexion caused by aspheric coefficients is not considered, the first lens is a meniscus concave negative lens, the second lens is a biconvex positive lens, the third lens is a biconvex positive lens, the fourth lens is a meniscus concave negative lens, the fifth lens is a biconvex positive lens, the sixth lens is a plano-concave negative lens, and all the lenses are made of glass materials. Wherein the first lens is a glass aspheric lens, and the third lens and the fourth lens form a balsaming lens group. While 3M clear imaging is realized, the number of sheets is relatively small and the appearance size is relatively small.

The invention relates to a device and method for adjusting small light spot laser energy distribution by using axicon, and belongs to the field of 3D printing. The device comprises a focusing lens, a first axicon and a second axicon which are arranged on a parallel laser light path; the distance between the first axicon and the second axicon is adjusted based on the inclined plane angle of the first axicon, the inclined plane angle of the second axicon and the size of the needed small light spot, so that the distance between the first axicon and the second axicon meets the following formula: # imgabs0 #, D represents the size of the needed small light spot, and D represents the size of the needed small light spot. N represents the refractive indexes of glass materials of the first axicon and the second axicon, L represents the printing working distance, L represents the distance between the first axicon and the second axicon, and alpha and beta respectively represent the included angles between the inclined planes of the first axicon and the second axicon and the printing surface. The problem that the precision requirement of small-size light spot energy distribution adjustment cannot be met due to insufficient machining capacity is solved by adjusting the distance between the two axicon lenses.

The invention belongs to the field of glass material research, and discloses a method for regulating and controlling rare earth ion clusters in laser glass based on molecular dynamics simulation and application of the method. Based on given glass components, density and atomic number, an initial amorphous structure model M0 is constructed; based on a molecular dynamics theory, performing high-temperature melting quenching simulation on the initial amorphous structure model M0, and constructing a glass structure model M; calculating glass microstructure parameters and designing rare earth ion cluster parameters based on atomic coordinate information of the glass structure model M; establishing a glass component-microstructure mathematical model and a microstructure-rare earth ion cluster mathematical model based on the glass components, the microstructure parameters and the rare earth ion cluster parameters; based on the model, regulation and control on the agglomeration degree of the rare earth ions in the glass are realized. According to the method, the problem that the rare earth ion clusters in the laser glass cannot be quickly and effectively regulated and controlled due to the fact that the rare earth ion clusters in the glass are difficult to quantitatively describe by experimental means is solved.

According to the chip resistor and the preparation method thereof, the laser wire cutting grooves adjacent to the left electrode and the right electrode are formed in the resistance layer through laser cutting, the resistance value of the resistor can be accurately adjusted and controlled, the manufacturing precision and consistency of the resistor are improved, the laser cutting mode is optimized through diagonal cutting, and the production efficiency is improved. The laser wire cutting groove is limited at the diagonal position and is adjacent to the front electrode, and the heat effect of the resistor is correspondingly controlled, so that the heat dissipation performance is improved; according to the chip resistor, through a multi-layer protection structure formed by the first protection layer made of the glass material and the second protection layer made of the epoxy resin material, the invasion of moisture, chemical corrosion and mechanical damage is effectively prevented, the service life of the resistor in a severe environment is remarkably prolonged, and particularly, through the third protection layer made of the resin silver material, the service life of the resistor is prolonged. The anti-corrosion performance of the electrode part is enhanced, so that the resistor can keep stable electrical performance during long-time work.

The invention relates to a special glass material, in particular to high-airtightness low-haze environment-friendly cover plate glass as well as a preparation method and application thereof. The high-temperature-resistant glass is prepared from the following components in parts by weight: 53.0 to 62.0 parts of SiO2, 9.0 to 15.0 parts of Al2O3, 0.1 to 2.0 parts of CaO, 4.0 to 8.0 parts of MgO, 3.0 to 7.0 parts of K2O, 9.0 to 15.0 parts of Na2O, 0 to 2.0 parts of Li2O, 0.5 to 2.0 parts of ZrO2, 2.0 to 6.0 parts of B2O3, 0 to 3.0 parts of Bi2O3, 0 to 2.0 parts of Ag2O, 0 to 3.0 parts of In2O3 and 0.1 to 1.0 part of CeO2. The cover plate glass provided by the invention not only has good performances in the aspects of air tightness, transmittance, haze, strength, chemical stability and environmental protection property, but also can be reduced to generate a black light absorption layer, and has good processability.

The invention discloses an interface enhancement gradient design method of an anti-impact aviation glass laminated structure, and relates to the technical field of composite material design, the method comprises the steps of glass material preparation, interface enhancement gradient design, lamination compounding, quality detection and performance testing, the glass material comprises a glass layer material, a middle layer material and a transition layer material, the laminated composite process comprises the steps of pre-strain treatment, pre-pressing treatment, hot-pressing combination and cooling demolding, and has the advantages that by arranging the transition layers with components and performance in gradient change, the content of reinforcing materials such as nanometer titanium dioxide particles and graphene nanosheets in each transition layer is gradually increased; and compared with a traditional uniform or simple layered structure, the gradient design has the advantage that the phenomenon of interface stress concentration caused by performance difference between the glass layer and the polymer intermediate layer is remarkably reduced.

The utility model relates to a DMD welcome lamp lens with short total length, the lens is composed of a first lens, a second lens, a third lens, a fourth lens, a diaphragm, a fifth lens, a sixth lens and a seventh lens from left to right along a light incident light path, the lenses are made of glass materials, the first lens, the third lens, the fourth lens, the fifth lens, the sixth lens and the seventh lens are glass spherical lenses, the second lens is a glass aspheric lens, wherein the third lens and the fourth lens, and the fifth lens and the sixth lens form a balsaming lens group. By reasonably distributing the focal power and the surface type of each lens, the central thickness of each lens, the axial distance between the lenses and the like, the imaging performance requirement of the lens is met, the total length of the lens and the radial size of each lens are reduced, and a 33 mm lens group is formed.

The invention provides high-conductivity main gate electrode silver paste and a preparation method and application thereof, and belongs to the field of solar cells. The main gate electrode silver paste is composed of the following components: 0.5-4 parts of a glass material, 50-70 parts of a silver conductive material, 10-30 parts of a silver alloy conductive material, 1-3 parts of an organic auxiliary agent, 1-3 parts of a conductive polymer, and 10-15 parts of an organic carrier. The glass material is composed of a first glass material and a second glass material; the first glass material is a Bi-B-Zn lead-free low-temperature molten glass material; and the second glass material is a P-V-Zn lead-free low-temperature molten glass material. By reasonably designing the chemical components of the main gate electrode silver paste, the conductivity of the main gate electrode silver paste is improved.

The invention relates to the technical field of glass cutting equipment, in particular to a laser cutting machine for glass precision machining and a cutting method thereof.The laser cutting machine comprises a rack, according to a cutting and splitting structure, the smoothness of the cutting and splitting process is ensured through reasonable equipment layout, the movement and waiting time of materials in the machining process is shortened, and the machining efficiency is improved. Therefore, the overall production efficiency is improved. Through precise equipment positioning and a stable mechanical structure, precise control over the laser beams in the cutting process is ensured, errors and deviation are reduced, and the cutting precision and the finished product quality are improved. The device can flexibly adapt to glass materials with different sizes, shapes and thicknesses, and meets diversified processing requirements.

The invention discloses a temperature change resistant glass material and a preparation method thereof, and relates to the field of glass. When the temperature change resistant glass material is prepared, crystal whisker silicon is soaked in an aluminum hydroxide solution, and then the crystal whisker silicon, nano silicon dioxide, lithium oxide, sodium carbonate and titanium dioxide are heated, mixed and annealed to prepare glass; the preparation method comprises the following steps: sequentially reacting aluminum oxide with 3-aminopropyltrimethoxysilane, 4-bromo-2-hydroxybenzaldehyde and 4-aminopyridine, so as to prepare functionalized aluminum oxide; the preparation method comprises the following steps: carrying out a reaction on polyaspartic acid ester resin, a hexamethylene diisocyanate-based polyisocyanate tripolymer, a functional monomer and an end-capping reagent to prepare modified polyurea; and mixing the modified polyurea with the functionalized aluminum oxide to prepare a coating material, spraying the coating material on the surface of glass, and drying to prepare the temperature-change-resistant glass material. The temperature-change-resistant glass material prepared by the invention has the capabilities of fouling prevention, heat conduction, impact resistance, coating self-repairing and aging resistance.

The invention relates to the technical field of electric kettles, in particular to an all-glass electric kettle which comprises a kettle body, a connecting structural part and a kettle bottom heating device. The kettle body comprises a kettle body and a boss-shaped kettle bottom which are integrally formed, the kettle body and the boss-shaped kettle bottom are both made of glass materials, and the connecting structural part is arranged on the boss-shaped kettle bottom in a sleeving mode and fixed through the first locking part. And the connecting structural member is detachably connected with the kettle bottom heating device. The kettle body and the boss-shaped kettle bottom are both made of the integrally-formed glass materials, and the kettle bottom heating device is installed at the bottom of the boss-shaped kettle bottom through the connecting structural part at the boss-shaped kettle bottom and used for heating the boss-shaped kettle bottom so as to heat water in the kettle body. According to the all-glass electric kettle, the problems of leakage at the joint of the stainless steel kettle bottom and the glass kettle body and unsafety of glue can be effectively solved, and the all-glass electric kettle is safe to use, completely avoids glue or silica gel, and is of a rapid installation structure, convenient to operate and high in production efficiency.

The utility model relates to a foresight ultra-wide-angle binocular shooting optical system. The optical system of a lens is composed of a first lens, a second lens, a diaphragm, a third lens, a fourth lens, a fifth lens and a sixth lens which are sequentially arranged from left to right along a light incident light path. Under the condition that retroflexion caused by aspheric coefficients is not considered, the first lens is a meniscus concave negative lens, the second lens is a meniscus convex positive lens, the third lens is a biconvex positive lens, the fourth lens is a biconvex positive lens, the fifth lens is a biconvex positive lens, the sixth lens is a meniscus concave negative lens, and all the lenses are made of glass materials. Wherein the first lens and the second lens are glass aspheric lenses, and the fifth lens and the sixth lens form a balsaming lens group. While the wide-angle 120-degree clear imaging is realized, the wide-angle 120-degree wide-angle imaging lens has a relatively small appearance size and relatively high environmental stability.